zotero/chrome/content/zotero/itemTree.jsx

3546 lines
103 KiB
JavaScript

/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2019 Corporation for Digital Scholarship
Vienna, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
const { noop, getDragTargetOrient } = require("components/utils");
const PropTypes = require("prop-types");
const React = require('react');
const ReactDOM = require('react-dom');
const { IntlProvider } = require('react-intl');
const LibraryTree = require('./libraryTree');
const VirtualizedTable = require('components/virtualized-table');
const { renderCell, TreeSelectionStub } = VirtualizedTable;
const Icons = require('components/icons');
const { getDOMElement } = Icons;
const { COLUMNS } = require('./itemTreeColumns');
const { Cc, Ci, Cu } = require('chrome');
Cu.import("resource://gre/modules/osfile.jsm");
const TYPING_TIMEOUT = 1000;
const CHILD_INDENT = 20;
const COLORED_TAGS_RE = new RegExp("^[0-" + Zotero.Tags.MAX_COLORED_TAGS + "]{1}$");
const COLUMN_PREFS_FILEPATH = OS.Path.join(Zotero.Profile.dir, "treePrefs.json");
function makeItemRenderer(itemTree) {
function renderPrimaryCell(index, data, column) {
let span = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
span.className = `cell ${column.className}`;
span.classList.add('primary');
// Add twisty, icon, tag swatches and retraction indicator
let twisty;
if (itemTree.isContainerEmpty(index)) {
twisty = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
twisty.classList.add("spacer-twisty");
}
else {
twisty = getDOMElement("IconTwisty");
twisty.classList.add('twisty');
if (itemTree.isContainerOpen(index)) {
twisty.classList.add('open');
}
twisty.style.pointerEvents = 'auto';
twisty.addEventListener('mousedown', event => event.stopPropagation());
twisty.addEventListener('mouseup', event => itemTree.handleTwistyMouseUp(event, index),
{ passive: true });
}
const icon = itemTree._getIcon(index);
icon.classList.add('cell-icon');
const item = itemTree.getRow(index).ref;
let retracted = "";
if (Zotero.Retractions.isRetracted(item)) {
retracted = getDOMElement('IconCross');
retracted.classList.add("retracted");
}
let tags = item.getTagColors().map(color => itemTree._getTagSwatch(color));
let textSpan = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
textSpan.className = "cell-text";
textSpan.innerText = data;
span.append(twisty, icon, retracted, ...tags, textSpan);
// Set depth indent
const depth = itemTree.getLevel(index);
span.style.paddingInlineStart = (CHILD_INDENT * depth) + 'px';
return span;
}
function renderHasAttachmentCell(index, data, column) {
let span = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
span.className = `cell ${column.className}`;
if (itemTree.collectionTreeRow.isTrash()) return span;
const item = itemTree.getRow(index).ref;
if ((!itemTree.isContainer(index) || !itemTree.isContainerOpen(index))
&& Zotero.Sync.Storage.getItemDownloadImageNumber(item)) {
return span;
}
if (itemTree.isContainer(index)) {
if (item.isRegularItem()) {
const state = item.getBestAttachmentStateCached();
let icon = "";
if (state === 1) {
icon = getDOMElement('IconBulletBlue');
icon.classList.add('cell-icon');
}
else if (state === -1) {
icon = getDOMElement('IconBulletBlueEmpty');
icon.classList.add('cell-icon');
}
span.append(icon);
item.getBestAttachmentState()
// TODO: With no cell refreshing this is possibly somewhat inefficient
// Refresh cell when promise is fulfilled
.then(bestState => bestState != state && itemTree.tree.invalidateRow(index));
}
}
if (item.isFileAttachment()) {
const exists = item.fileExistsCached();
let icon = "";
if (exists !== null) {
icon = exists ? getDOMElement('IconBulletBlue') : getDOMElement('IconBulletBlueEmpty');
icon.classList.add('cell-icon');
}
span.append(icon);
item.fileExists()
// TODO: With no cell refreshing this is possibly somewhat inefficient
// Refresh cell when promise is fulfilled
.then(realExists => realExists != exists && itemTree.tree.invalidateRow(index));
}
return span;
}
return function (index, selection, oldDiv=null, columns) {
let div;
if (oldDiv) {
div = oldDiv;
div.innerHTML = "";
}
else {
div = document.createElementNS("http://www.w3.org/1999/xhtml", 'div');
div.className = "row";
}
div.classList.toggle('selected', selection.isSelected(index));
div.classList.remove('drop', 'drop-before', 'drop-after');
const rowData = itemTree._getRowData(index);
div.classList.toggle('context-row', !!rowData.contextRow);
div.classList.toggle('unread', !!rowData.unread);
if (itemTree._dropRow == index) {
let span;
if (Zotero.DragDrop.currentOrientation != 0) {
span = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
span.className = Zotero.DragDrop.currentOrientation < 0 ? "drop-before" : "drop-after";
div.appendChild(span);
} else {
div.classList.add('drop');
}
}
for (let column of columns) {
if (column.hidden) continue;
if (column.primary) {
div.appendChild(renderPrimaryCell(index, rowData[column.dataKey], column));
}
else if (column.dataKey === 'hasAttachment') {
div.appendChild(renderHasAttachmentCell(index, rowData[column.dataKey], column));
}
else {
div.appendChild(renderCell(index, rowData[column.dataKey], column));
}
}
if (!oldDiv) {
if (itemTree.props.dragAndDrop) {
div.setAttribute('draggable', true);
div.addEventListener('dragstart', e => itemTree.onDragStart(e, index), { passive: true });
div.addEventListener('dragover', e => itemTree.onDragOver(e, index));
div.addEventListener('dragend', itemTree.onDragEnd, { passive: true });
div.addEventListener('dragleave', itemTree.onDragLeave, { passive: true });
div.addEventListener('drop', (e) => {
e.stopPropagation();
itemTree.onDrop(e, index);
}, { passive: true });
}
}
return div;
};
}
var ItemTree = class ItemTree extends LibraryTree {
static async init(domEl, opts={}) {
Zotero.debug(`Initializing React ItemTree ${opts.id}`);
var ref;
opts.domEl = domEl;
let elem = (
<IntlProvider locale={Zotero.locale} messages={Zotero.Intl.strings}>
<ItemTree ref={c => ref = c } {...opts} />
</IntlProvider>
);
await new Promise(resolve => ReactDOM.render(elem, domEl, resolve));
Zotero.debug(`React ItemTree ${opts.id} initialized`);
return ref;
}
static defaultProps = {
dragAndDrop: false,
persistColumns: false,
columnPicker: false,
columns: COLUMNS,
onContextMenu: noop,
onActivate: noop,
emptyMessage: '',
};
static propTypes = {
id: PropTypes.string.isRequired,
dragAndDrop: PropTypes.bool,
persistColumns: PropTypes.bool,
columnPicker: PropTypes.bool,
columns: PropTypes.array,
onSelectionChange: PropTypes.func,
onContextMenu: PropTypes.func,
onActivate: PropTypes.func,
emptyMessage: PropTypes.string,
};
constructor(props) {
super(props);
this.type = 'item';
this.name = 'ItemTree';
this._typingString = "";
this._skipKeypress = false;
this._initialized = false;
this._needsSort = false;
this._introText = null;
this._rowCache = {};
this._modificationLock = Zotero.Promise.resolve();
this._refreshPromise = Zotero.Promise.resolve();
this._dropRow = null;
this._unregisterID = Zotero.Notifier.registerObserver(
this,
['item', 'collection-item', 'item-tag', 'share-items', 'bucket', 'feedItem', 'search'],
'itemTreeView',
50
);
this._itemsPaneMessage = null;
this._columnsId = null;
this.columns = null;
if (this.collectionTreeRow) {
this.collectionTreeRow.view.itemTreeView = this;
}
this.renderItem = makeItemRenderer(this);
this._itemTreeLoadingDeferred = Zotero.Promise.defer();
}
unregister() {
this._uninitialized = true;
Zotero.Notifier.unregisterObserver(this._unregisterID);
this._writeColumnPrefsToFile(true);
}
componentDidMount() {
this._initialized = true;
this._itemTreeLoadingDeferred.resolve();
// Create an element where we can create drag images to be displayed next to the cursor while dragging
// since for multiple item drags we need to display all the elements
let elem = this._dragImageContainer = document.createElementNS("http://www.w3.org/1999/xhtml", "div");
elem.style.width = "100%";
elem.style.height = "2000px";
elem.style.position = "absolute";
elem.style.top = "-10000px";
elem.className = "drag-image-container";
this.domEl.appendChild(elem);
}
componentWillUnmount() {
this.domEl.removeChild(this._dragImageContainer);
}
/**
* NOTE: In XUL item tree waitForLoad() just returned this._waitForEvent('load').
* That was because on each collection change the item tree class was reset and the
* `load` event was a `once` and `triggerImmediately` event.
*
* Since in this implementation the item tree class is created once and stays up through
* the lifetime of Zotero we cannot replicate the previous behaviour with events easily
* so we use a deferred promise instead
* @returns {Promise}
*/
waitForLoad() {
return this._itemTreeLoadingDeferred.promise;
}
async setItemsPaneMessage(message, lock=false) {
if (this._locked) return;
if (typeof message == 'string') {
let messageParts = message.split("\n\n");
message = messageParts.map(part => `<p>${part}</p>`).join('');
}
else if (message.outerHTML) {
message = message.outerHTML;
}
const shouldRerender = this._itemsPaneMessage != message;
this._itemsPaneMessage = message;
this._locked = lock;
return shouldRerender && new Promise(resolve => this.forceUpdate(resolve));
}
async clearItemsPaneMessage() {
const shouldRerender = !this._itemsPaneMessage;
this._itemsPaneMessage = null;
return shouldRerender && new Promise(resolve => this.forceUpdate(resolve));
}
refresh = Zotero.serial(async function (skipExpandMatchParents) {
Zotero.debug('Refreshing items list for ' + this.id);
var resolve, reject;
this._refreshPromise = new Zotero.Promise(function () {
resolve = arguments[0];
reject = arguments[1];
});
try {
Zotero.CollectionTreeCache.clear();
// Get the full set of items we want to show
let newSearchItems = await this.collectionTreeRow.getItems();
// TEMP: Hide annotations
newSearchItems = newSearchItems.filter(item => !item.isAnnotation());
// Remove notes and attachments if necessary
if (this.regularOnly) {
newSearchItems = newSearchItems.filter(item => item.isRegularItem());
}
let newSearchItemIDs = new Set(newSearchItems.map(item => item.id));
// Find the items that aren't yet in the tree
let itemsToAdd = newSearchItems.filter(item => this._rowMap[item.id] === undefined);
// Find the parents of search matches
let newSearchParentIDs = new Set(
this.regularOnly
? []
: newSearchItems.filter(item => !!item.parentItemID).map(item => item.parentItemID)
);
this._searchParentIDs = newSearchParentIDs;
newSearchItems = new Set(newSearchItems);
var newCellTextCache = {};
var newSearchMode = this.collectionTreeRow.isSearchMode();
var newRows = [];
var allItemIDs = new Set();
var addedItemIDs = new Set();
// Copy old rows to new array, omitting top-level items not in the new set and their children
//
// This doesn't add new child items to open parents or remove child items that no longer exist,
// which is done by toggling all open containers below.
var skipChildren;
for (let i = 0; i < this._rows.length; i++) {
let row = this._rows[i];
// Top-level items
if (row.level == 0) {
let isSearchParent = newSearchParentIDs.has(row.ref.id);
// If not showing children or no children match the search, close
if (this.regularOnly || !isSearchParent) {
row.isOpen = false;
skipChildren = true;
}
else {
skipChildren = false;
}
// Skip items that don't match the search and don't have children that do
if (!newSearchItems.has(row.ref) && !isSearchParent) {
continue;
}
}
// Child items
else if (skipChildren) {
continue;
}
newRows.push(row);
allItemIDs.add(row.ref.id);
}
// Add new items
for (let i = 0; i < itemsToAdd.length; i++) {
let item = itemsToAdd[i];
// If child item matches search and parent hasn't yet been added, add parent
let parentItemID = item.parentItemID;
if (parentItemID) {
if (allItemIDs.has(parentItemID)) {
continue;
}
item = Zotero.Items.get(parentItemID);
}
// Parent item may have already been added from child
else if (allItemIDs.has(item.id)) {
continue;
}
// Add new top-level items
let row = new ItemTreeRow(item, 0, false);
newRows.push(row);
allItemIDs.add(item.id);
addedItemIDs.add(item.id);
}
this._rows = newRows;
this._refreshRowMap();
// Sort only the new items
//
// This still results in a lot of extra work (e.g., when clearing a quick search, we have to
// re-sort all items that didn't match the search), so as a further optimization we could keep
// a sorted list of items for a given column configuration and restore items from that.
await this.sort([...addedItemIDs]);
// Toggle all open containers closed and open to refresh child items
//
// This could be avoided by making sure that items in notify() that aren't present are always
// added.
var t = new Date();
for (let i = 0; i < this._rows.length; i++) {
if (this.isContainer(i) && this.isContainerOpen(i)) {
this.toggleOpenState(i, true);
this.toggleOpenState(i, true);
}
}
Zotero.debug(`Refreshed open parents in ${new Date() - t} ms`);
this._refreshRowMap();
this._searchMode = newSearchMode;
this._searchItemIDs = newSearchItemIDs; // items matching the search
this._rowCache = {};
if (!this.collectionTreeRow.isPublications()) {
this.expandMatchParents(newSearchParentIDs);
}
// Clear My Publications intro text on a refresh with items
if (this.collectionTreeRow.isPublications() && this.rowCount) {
this.clearItemsPaneMessage();
}
await this.runListeners('refresh');
setTimeout(function () {
resolve();
});
}
catch (e) {
setTimeout(function () {
reject(e);
});
throw e;
}
})
/*
* Called by Zotero.Notifier on any changes to items in the data layer
*/
async notify(action, type, ids, extraData) {
Zotero.debug("Yielding for refresh promise"); // TEMP
await this._refreshPromise;
if (!this._treebox) {
Zotero.debug("Treebox didn't exist in itemTree.notify()");
return;
}
if (!this._rowMap) {
Zotero.debug("Item row map didn't exist in itemTree.notify()");
return;
}
if (type == 'search' && action == 'modify') {
// TODO: Only refresh on condition change (not currently available in extraData)
await this.refresh();
return;
}
// Clear item type icon and tag colors when a tag is added to or removed from an item
if (type == 'item-tag') {
// TODO: Only update if colored tag changed?
ids.map(val => val.split("-")[0]).forEach(function (val) {
this.tree.invalidateRow(this._rowMap[val]);
}.bind(this));
return;
}
const collectionTreeRow = this.collectionTreeRow;
if (collectionTreeRow.isFeed() && action == 'modify') {
for (const id of ids) {
this.tree.invalidateRow(this._rowMap[id]);
}
}
// Redraw the tree (for tag color and progress changes)
if (action == 'redraw') {
// Redraw specific rows
if (type == 'item' && ids.length) {
for (let id of ids) {
this.tree.invalidateRow(this._rowMap[id]);
}
}
// Redraw the whole tree
else {
this.tree.invalidate();
}
return;
}
var madeChanges = false;
var refreshed = false;
var sort = false;
var savedSelection = this.getSelectedItems(true);
var previousFirstSelectedRow = this._rowMap[
// 'collection-item' ids are in the form <collectionID>-<itemID>
// 'item' events are just integers
type == 'collection-item' ? ids[0].split('-')[1] : ids[0]
];
// If there's not at least one new item to be selected, get a scroll position to restore later
var scrollPosition = false;
if (action != 'add' || ids.every(id => extraData[id] && extraData[id].skipSelect)) {
scrollPosition = this._saveScrollPosition();
}
if (action == 'refresh') {
if (type == 'share-items') {
if (collectionTreeRow.isShare()) {
await this.refresh();
refreshed = true;
}
}
else if (type == 'bucket') {
if (collectionTreeRow.isBucket()) {
await this.refresh();
refreshed = true;
}
}
// If refreshing a single item, clear caches and then deselect and reselect row
else if (savedSelection.length == 1 && savedSelection[0] == ids[0]) {
let id = ids[0];
let row = this._rowMap[id];
delete this._rowCache[id];
this.tree.invalidateRow(row);
this.selection.clearSelection();
this._restoreSelection(savedSelection);
}
else {
for (let id of ids) {
let row = this._rowMap[id];
if (row === undefined) continue;
delete this._rowCache[id];
this.tree.invalidateRow(row);
}
}
// For a refresh on an item in the trash, check if the item still belongs
if (type == 'item' && collectionTreeRow.isTrash()) {
let rows = [];
for (let id of ids) {
let row = this.getRowIndexByID(id);
if (row === false) continue;
let item = Zotero.Items.get(id);
if (!item.deleted && !item.numChildren()) {
rows.push(row);
}
}
this._removeRows(rows);
}
return;
}
if (collectionTreeRow.isShare()) {
return;
}
// See if we're in the active window
var zp = Zotero.getActiveZoteroPane();
var activeWindow = zp && zp.itemsView == this;
var quickSearch = this._ownerDocument.getElementById('zotero-tb-search');
var hasQuickSearch = quickSearch && quickSearch.value != '';
// 'collection-item' ids are in the form collectionID-itemID
if (type == 'collection-item') {
if (!collectionTreeRow.isCollection()) {
return;
}
var splitIDs = [];
for (let id of ids) {
var split = id.split('-');
// Skip if not an item in this collection
if (split[0] != collectionTreeRow.ref.id) {
continue;
}
splitIDs.push(split[1]);
}
ids = splitIDs;
}
this.selection.selectEventsSuppressed = true;
if ((action == 'remove' && !collectionTreeRow.isLibrary(true))
|| action == 'delete' || action == 'trash'
|| (action == 'removeDuplicatesMaster' && collectionTreeRow.isDuplicates())) {
// Since a remove involves shifting of rows, we have to do it in order,
// so sort the ids by row
var rows = [];
let push = action == 'delete' || action == 'trash' || action == 'removeDuplicatesMaster';
for (var i=0, len=ids.length; i<len; i++) {
if (!push) {
push = !collectionTreeRow.ref.hasItem(ids[i]);
}
// Row might already be gone (e.g. if this is a child and
// 'modify' was sent to parent)
let row = this._rowMap[ids[i]];
if (push && row !== undefined) {
// Don't remove child items from collections, because it's handled by 'modify'
if (action == 'remove' && this.getParentIndex(row) != -1) {
continue;
}
rows.push(row);
// Remove child items of removed parents
if (this.isContainer(row) && this.isContainerOpen(row)) {
while (++row < this.rowCount && this.getLevel(row) > 0) {
rows.push(row);
}
}
}
}
if (rows.length > 0) {
this._removeRows(rows);
madeChanges = true;
}
}
else if (type == 'item' && action == 'modify')
{
// Clear row caches
for (const id of ids) {
delete this._rowCache[id];
}
// If saved search, publications, or trash, just re-run search
if (collectionTreeRow.isSearch()
|| collectionTreeRow.isPublications()
|| collectionTreeRow.isTrash()
|| hasQuickSearch) {
await this.refresh();
refreshed = true;
madeChanges = true;
// Don't bother re-sorting in trash, since it's probably just a modification of a parent
// item that's about to be deleted
if (!collectionTreeRow.isTrash()) {
sort = true;
}
}
else if (collectionTreeRow.isFeed()) {
window.ZoteroPane.updateReadLabel();
}
// If not a search, process modifications manually
else {
var items = Zotero.Items.get(ids);
for (let i = 0; i < items.length; i++) {
let item = items[i];
let id = item.id;
let row = this._rowMap[id];
// Deleted items get a modify that we have to ignore when
// not viewing the trash
if (item.deleted) {
continue;
}
// Item already exists in this view
if (row !== undefined) {
let parentItemID = this.getRow(row).ref.parentItemID;
let parentIndex = this.getParentIndex(row);
// Top-level item
if (this.isContainer(row)) {
// If Unfiled Items and itm was added to a collection, remove from view
if (collectionTreeRow.isUnfiled() && item.getCollections().length) {
this._removeRow(row);
}
// Otherwise just resort
else {
sort = true;
}
}
// If item moved from top-level to under another item, remove the old row.
else if (parentIndex == -1 && parentItemID) {
this._removeRow(row);
}
// If moved from under another item to top level, remove old row and add new one
else if (parentIndex != -1 && !parentItemID) {
this._removeRow(row);
let beforeRow = this.rowCount;
this._addRow(new ItemTreeRow(item, 0, false), beforeRow);
sort = true;
}
// If item was moved from one parent to another, remove from old parent
else if (parentItemID && parentIndex != -1 && this._rowMap[parentItemID] != parentIndex) {
this._removeRow(row);
}
// If not moved from under one item to another, just resort the row,
// which also invalidates it and refreshes it
else {
sort = id;
}
madeChanges = true;
}
// Otherwise, for a top-level item in a library root or a collection
// containing the item, the item has to be added
else if (item.isTopLevelItem()) {
// Root view
let add = collectionTreeRow.isLibrary(true)
&& collectionTreeRow.ref.libraryID == item.libraryID;
// Collection containing item
if (!add && collectionTreeRow.isCollection()) {
add = item.inCollection(collectionTreeRow.ref.id);
}
if (add) {
//most likely, the note or attachment's parent was removed.
let beforeRow = this.rowCount;
this._addRow(new ItemTreeRow(item, 0, false), beforeRow);
madeChanges = true;
sort = id;
}
}
}
if (sort && ids.length != 1) {
sort = true;
}
}
}
else if(type == 'item' && action == 'add')
{
let items = Zotero.Items.get(ids);
// In some modes, just re-run search
if (collectionTreeRow.isSearch()
|| collectionTreeRow.isPublications()
|| collectionTreeRow.isTrash()
|| collectionTreeRow.isUnfiled()
|| hasQuickSearch) {
if (hasQuickSearch) {
// For item adds, clear the quick search, unless all the new items have
// skipSelect or are child items
if (activeWindow && type == 'item') {
let clear = false;
for (let i=0; i<items.length; i++) {
if (!extraData[items[i].id].skipSelect && items[i].isTopLevelItem()) {
clear = true;
break;
}
}
if (clear) {
quickSearch.value = '';
collectionTreeRow.setSearch('');
}
}
}
await this.refresh();
refreshed = true;
madeChanges = true;
sort = true;
}
// Otherwise process new items manually
else {
for (let i=0; i<items.length; i++) {
let item = items[i];
// if the item belongs in this collection
if (((collectionTreeRow.isLibrary(true)
&& collectionTreeRow.ref.libraryID == item.libraryID)
|| (collectionTreeRow.isCollection() && item.inCollection(collectionTreeRow.ref.id)))
// if we haven't already added it to our hash map
&& this._rowMap[item.id] == null
// Regular item or standalone note/attachment
&& item.isTopLevelItem()) {
let beforeRow = this.rowCount;
this._addRow(new ItemTreeRow(item, 0, false), beforeRow);
madeChanges = true;
}
}
if (madeChanges) {
sort = (items.length == 1) ? items[0].id : true;
}
}
}
var reselect = false;
if (madeChanges) {
// If we made individual changes, we have to clear the cache
if (!refreshed) {
Zotero.CollectionTreeCache.clear();
}
var singleSelect = false;
// If adding a single top-level item and this is the active window, select it
if (action == 'add' && activeWindow) {
if (ids.length == 1) {
singleSelect = ids[0];
}
// If there's only one parent item in the set of added items,
// mark that for selection in the UI
//
// Only bother checking for single parent item if 1-5 total items,
// since a translator is unlikely to save more than 4 child items
else if (ids.length <= 5) {
var items = Zotero.Items.get(ids);
if (items) {
let itemTypeAttachment = Zotero.ItemTypes.getID('attachment');
let itemTypeNote = Zotero.ItemTypes.getID('note');
var found = false;
for (let item of items) {
// Check for attachment and note types, since it's quicker
// than checking for parent item
if (item.itemTypeID == itemTypeAttachment || item.itemTypeID == itemTypeNote) {
continue;
}
// We already found a top-level item, so cancel the
// single selection
if (found) {
singleSelect = false;
break;
}
found = true;
singleSelect = item.id;
}
}
}
}
if (sort) {
await this.sort(typeof sort == 'number' ? [sort] : false);
}
else {
this._refreshRowMap();
}
if (singleSelect) {
if (!extraData[singleSelect] || !extraData[singleSelect].skipSelect) {
// Reset to Info tab
this._ownerDocument.getElementById('zotero-view-tabbox').selectedIndex = 0;
await this.selectItem(singleSelect);
reselect = true;
}
}
// If single item is selected and was modified
else if (action == 'modify' && ids.length == 1 &&
savedSelection.length == 1 && savedSelection[0] == ids[0]) {
if (activeWindow) {
await this.selectItem(ids[0]);
reselect = true;
}
else {
this._restoreSelection(savedSelection);
reselect = true;
}
}
// On removal of a selected row, select item at previous position
else if (savedSelection.length) {
if ((action == 'remove' || action == 'trash' || action == 'delete')
&& savedSelection.some(id => this.getRowIndexByID(id) === false)) {
// In duplicates view, select the next set on delete
if (collectionTreeRow.isDuplicates()) {
if (this._rows[previousFirstSelectedRow]) {
var itemID = this._rows[previousFirstSelectedRow].ref.id;
var setItemIDs = collectionTreeRow.ref.getSetItemsByItemID(itemID);
this.selectItems(setItemIDs);
reselect = true;
}
}
else {
// If this was a child item and the next item at this
// position is a top-level item, move selection one row
// up to select a sibling or parent
if (ids.length == 1 && previousFirstSelectedRow > 0) {
let previousItem = Zotero.Items.get(ids[0]);
if (previousItem && !previousItem.isTopLevelItem()) {
if (this._rows[previousFirstSelectedRow]
&& this.getLevel(previousFirstSelectedRow) == 0) {
previousFirstSelectedRow--;
}
}
}
if (previousFirstSelectedRow !== undefined && previousFirstSelectedRow in this._rows) {
this.selection.select(previousFirstSelectedRow);
reselect = true;
}
// If no item at previous position, select last item in list
else if (this._rows.length > 0 && this._rows[this._rows.length - 1]) {
this.selection.select(this._rows.length - 1);
reselect = true;
}
}
}
else {
await this._restoreSelection(savedSelection);
reselect = true;
}
}
this._rememberScrollPosition(scrollPosition);
}
this._updateIntroText();
// If we made changes to the selection (including reselecting the same item, which will register as
// a selection when selectEventsSuppressed is set to false), wait for a select event on the tree
// view (e.g., as triggered by itemsView.runListeners('select') in ZoteroPane::itemSelected())
// before returning. This guarantees that changes are reflected in the middle and right-hand panes
// before returning from the save transaction.
//
// If no onselect handler is set on the tree element, as is the case in the Advanced Search window,
// the select listeners never get called, so don't wait.
if (reselect && this.props.onSelectionChange) {
var selectPromise = this.waitForSelect();
this.selection.selectEventsSuppressed = false;
Zotero.debug("Yielding for select promise"); // TEMP
return selectPromise;
}
else {
this.selection.selectEventsSuppressed = false;
}
}
handleTyping(char) {
this._typingString += char.toLowerCase();
let allSameChar = true;
for (let i = this._typingString.length - 1; i >= 0; i--) {
if (char != this._typingString[i]) {
allSameChar = false;
break;
}
}
if (allSameChar) {
for (let i = this.selection.pivot + 1, checked = 0; checked < this._rows.length; i++, checked++) {
i %= this._rows.length;
let row = this.getRow(i);
if (row.getField('title').toLowerCase().indexOf(char) == 0) {
if (i != this.selection.pivot) {
this.ensureRowIsVisible(i);
this.selectItem([row.ref.id]);
}
break;
}
}
}
else {
for (let i = 0; i < this._rows.length; i++) {
let row = this.getRow(i);
if (row.getField('title').toLowerCase().indexOf(this._typingString) == 0) {
if (i != this.selection.pivot) {
this.ensureRowIsVisible(i);
this.selectItem([row.ref.id]);
}
break;
}
}
}
clearTimeout(this._typingTimeout);
this._typingTimeout = setTimeout(() => {
this._typingString = "";
}, TYPING_TIMEOUT);
}
handleActivate = (event, indices) => {
// Ignore double-clicks in duplicates view on everything except attachments
let items = indices.map(index => this.getRow(index).ref);
if (event.button == 0 && this.collectionTreeRow.isDuplicates()) {
if (items.length != 1 || !items[0].isAttachment()) {
return false;
}
}
this.props.onActivate(event, items);
}
/**
* @param event {InputEvent}
* @returns {boolean} false to prevent any handling by the virtualized-table
*/
handleKeyDown = (event) => {
if (Zotero.locked) {
return false;
}
// Handle arrow keys specially on multiple selection, since
// otherwise the tree just applies it to the last-selected row
if (this.selection.count > 1 && ["ArrowLeft", "ArrowRight"].includes(event.key)) {
if (event.key == "ArrowRight") {
this.expandSelectedRows();
}
else {
this.collapseSelectedRows();
}
return false;
}
if (!event.shiftKey && !event.ctrlKey && !event.metaKey && !event.altKey && COLORED_TAGS_RE.test(event.key)) {
let libraryID = this.collectionTreeRow.ref.libraryID;
let position = parseInt(event.key) - 1;
// When 0 is pressed, remove all colored tags
if (position == -1) {
let items = this.getSelectedItems();
return Zotero.Tags.removeColoredTagsFromItems(items);
}
let colorData = Zotero.Tags.getColorByPosition(libraryID, position);
// If a color isn't assigned to this number or any
// other numbers, allow key navigation
if (!colorData) {
return !Zotero.Tags.getColors(libraryID).size;
}
var items = this.getSelectedItems();
// Async operation and we're not waiting for the promise
// since we need to return false below to prevent virtualized-table from handling the event
const _promise = Zotero.Tags.toggleItemsListTags(items, colorData.name);
return false;
}
else if (event.key == 'a' && (Zotero.isMac ? event.metaKey : event.ctrlKey)) {
if (!this.collectionTreeRow.isPublications()) {
this.expandMatchParents(this._searchParentIDs);
}
}
else if (event.key == '+' && !(event.ctrlKey || event.altKey || event.metaKey)) {
this.expandAllRows();
return false;
}
else if (event.key == '-' && !(event.shiftKey || event.ctrlKey
|| event.altKey || event.metaKey)) {
this.collapseAllRows();
return false;
}
else if (!event.ctrlKey && !event.metaKey && (event.key.length == 1 && (event.key != " " || this.selection.isSelected(this.selection.focused)))) {
this.handleTyping(event.key);
return false;
}
return true;
}
render() {
const itemsPaneMessageHTML = this._itemsPaneMessage || this.props.emptyMessage;
const showMessage = !this.collectionTreeRow || this._itemsPaneMessage;
const itemsPaneMessage = (<div
onDragOver={e => this.props.dragAndDrop && this.onDragOver(e, -1)}
onDrop={e => this.props.dragAndDrop && this.onDrop(e, -1)}
onClick={(e) => {
if (e.target.dataset.href) {
window.ZoteroPane.loadURI(e.target.dataset.href);
}
if (e.target.dataset.action == 'open-sync-prefs') {
Zotero.Utilities.Internal.openPreferences('zotero-prefpane-sync');
}
}}
className={"items-tree-message"}
style={{ display: showMessage ? "flex" : "none" }}
// Due to some collision between React and the XUL environment
// setting innerHTML on a cached React node triggers an XML
// parsing error god knows where. So on every refresh we set a new
// key for the element, forcing it to be recreated. This shouldn't
// be a major performance concern since we're not calling #forceUpdate()
// that often and even if we did it's just a single div here.
key={Date.now()}
dangerouslySetInnerHTML={{ __html: itemsPaneMessageHTML }}>
</div>);
let virtualizedTable = (<div style={{display: showMessage ? 'none' : 'flex'}}
className="virtualized-table" key="virtualized-table-stub"></div>);
if (this.collectionTreeRow) {
virtualizedTable = React.createElement(VirtualizedTable,
{
getRowCount: () => this._rows.length,
id: this.id,
ref: ref => this.tree = ref,
treeboxRef: ref => this._treebox = ref,
renderItem: this.renderItem,
hide: showMessage,
key: "virtualized-table",
label: Zotero.getString('pane.items.title'),
alternatingRowColors: Zotero.isMac ? ['-moz-OddTreeRow', '-moz-EvenTreeRow'] : null,
showHeader: true,
columns: this._getColumns(),
onColumnPickerMenu: this._displayColumnPickerMenu,
onColumnSort: this.collectionTreeRow.isFeed() ? null : this._handleColumnSort,
getColumnPrefs: this._getColumnPrefs,
storeColumnPrefs: this._storeColumnPrefs,
containerWidth: this.domEl.clientWidth,
multiSelect: true,
onSelectionChange: this._handleSelectionChange,
isSelectable: this.isSelectable,
getParentIndex: this.getParentIndex,
isContainer: this.isContainer,
isContainerEmpty: this.isContainerEmpty,
isContainerOpen: this.isContainerOpen,
toggleOpenState: this.toggleOpenState,
onDragOver: e => this.props.dragAndDrop && this.onDragOver(e, -1),
onDrop: e => this.props.dragAndDrop && this.onDrop(e, -1),
onKeyDown: this.handleKeyDown,
onActivate: this.handleActivate,
onItemContextMenu: e => this.props.onContextMenu(e),
}
);
}
Zotero.debug(`itemTree.render(). Displaying ${showMessage ? "Item Pane Message" : "Item Tree"}`);
return [
itemsPaneMessage,
virtualizedTable
];
}
async changeCollectionTreeRow(collectionTreeRow) {
if (this._locked) return;
if (!collectionTreeRow) {
this.tree = null;
this._treebox = null;
return this.clearItemsPaneMessage();
}
Zotero.debug(`itemTree.changeCollectionTreeRow(): ${collectionTreeRow.id}`);
this._itemTreeLoadingDeferred = Zotero.Promise.defer();
this.setItemsPaneMessage(Zotero.getString('pane.items.loading'));
let newId = "item-tree-" + this.props.id + "-" + collectionTreeRow.visibilityGroup;
if (this.id != newId && this.props.persistColumns) {
await this._writeColumnPrefsToFile(true);
this.id = newId;
await this._loadColumnPrefsFromFile();
}
this.id = newId;
this.collectionTreeRow = collectionTreeRow;
this.selection.selectEventsSuppressed = true;
this.collectionTreeRow.view.itemTreeView = this;
// Ensures that an up to date this._columns is set
this._getColumns();
this.selection.clearSelection();
await this.refresh();
if (Zotero.CollectionTreeCache.error) {
return this.setItemsPaneMessage(Zotero.getString('pane.items.loadError'));
}
else {
this.clearItemsPaneMessage();
}
this.forceUpdate(() => {
this.selection.selectEventsSuppressed = false;
this._updateIntroText();
this._itemTreeLoadingDeferred.resolve();
});
await this._itemTreeLoadingDeferred.promise;
}
async refreshAndMaintainSelection(clearItemsPaneMessage=true) {
if (this.selection) {
this.selection.selectEventsSuppressed = true;
}
const selection = this.getSelectedItems(true);
await this.refresh();
clearItemsPaneMessage && this.clearItemsPaneMessage();
await new Promise((resolve) => {
this.forceUpdate(() => {
if (this.tree) {
this.tree.invalidate();
this._restoreSelection(selection);
if (this.selection) {
this.selection.selectEventsSuppressed = false;
}
}
resolve();
});
});
}
async selectItem(id, noRecurse) {
return this.selectItems([id], noRecurse);
}
async selectItems(ids, noRecurse) {
if (!ids.length) return 0;
// If no row map, we're probably in the process of switching collections,
// so store the items to select on the item group for later
if (!this._rowMap) {
if (this.collectionTreeRow) {
this.collectionTreeRow.itemsToSelect = ids;
Zotero.debug("_rowMap not yet set; not selecting items");
return 0;
}
Zotero.debug('Item group not found and no row map in ItemTree.selectItem() -- discarding select', 2);
return 0;
}
var idsToSelect = [];
for (let id of ids) {
let row = this._rowMap[id];
let item = Zotero.Items.get(id);
// Can't select a deleted item if we're not in the trash
if (item.deleted && !this.collectionTreeRow.isTrash()) {
continue;
}
// Get the row of the parent, if there is one
let parent = item.parentItemID;
let parentRow = parent && this._rowMap[parent];
// If row with id isn't visible, check to see if it's hidden under a parent
if (row == undefined) {
if (!parent || parentRow === undefined) {
// No parent -- it's not here
// Clear the quick search and tag selection and try again (once)
if (!noRecurse && window.ZoteroPane) {
let cleared1 = await window.ZoteroPane.clearQuicksearch();
let cleared2 = window.ZoteroPane.tagSelector
&& window.ZoteroPane.tagSelector.clearTagSelection();
if (cleared1 || cleared2) {
return this.selectItems(ids, true);
}
}
Zotero.debug(`Couldn't find row for item ${id} -- not selecting`);
continue;
}
// If parent is already open and we haven't found the item, the child
// hasn't yet been added to the view, so close parent to allow refresh
await this._closeContainer(parentRow);
// Open the parent
await this.toggleOpenState(parentRow);
}
// Since we're opening containers, we still need to reference by id
idsToSelect.push(id);
}
// Now that all items have been expanded, get associated rows
var rowsToSelect = [];
for (let id of idsToSelect) {
let row = this._rowMap[id];
if (row === undefined) {
Zotero.debug(`Item ${id} not in row map -- skipping`);
continue;
}
rowsToSelect.push(row);
}
if (!rowsToSelect.length) {
return 0;
}
// If items are already selected, just scroll to the top-most one
var selectedRows = this.selection.selected;
if (rowsToSelect.length == selectedRows.size && rowsToSelect.every(row => selectedRows.has(row))) {
this.ensureRowsAreVisible(rowsToSelect);
return rowsToSelect.length;
}
// Single item
if (rowsToSelect.length == 1) {
// this.selection.select() triggers the tree onSelect handler attribute, which calls
// ZoteroPane.itemSelected(), which calls ZoteroItemPane.viewItem(), which refreshes the
// itembox. But since the 'onselect' doesn't handle promises, itemSelected() isn't waited for
// here, which means that 'yield selectItem(itemID)' continues before the itembox has been
// refreshed. To get around this, we wait for a select event that's triggered by
// itemSelected() when it's done.
let promise;
let nothingToSelect = false;
try {
if (!this.selection.selectEventsSuppressed) {
promise = this.waitForSelect();
}
nothingToSelect = !this.selection.select(rowsToSelect[0]);
}
catch (e) {
Zotero.logError(e);
}
if (!nothingToSelect && promise) {
await promise;
}
}
// Multiple items
else {
this.selection.clearSelection();
this.selection.selectEventsSuppressed = true;
var lastStart = 0;
for (let i = 0, len = rowsToSelect.length; i < len; i++) {
if (i == len - 1 || rowsToSelect[i + 1] != rowsToSelect[i] + 1) {
this.selection.rangedSelect(rowsToSelect[lastStart], rowsToSelect[i], true);
lastStart = i + 1;
}
}
this.selection.selectEventsSuppressed = false;
}
this.ensureRowsAreVisible(rowsToSelect);
return rowsToSelect.length;
}
/*
* Sort the items by the currently sorted column.
*/
async sort(itemIDs) {
var t = new Date;
// For child items, just close and reopen parents
if (itemIDs) {
let parentItemIDs = new Set();
let skipped = [];
for (let itemID of itemIDs) {
let row = this._rowMap[itemID];
let item = this.getRow(row).ref;
let parentItemID = item.parentItemID;
if (!parentItemID) {
skipped.push(itemID);
continue;
}
parentItemIDs.add(parentItemID);
}
let parentRows = [...parentItemIDs].map(itemID => this._rowMap[itemID]);
parentRows.sort();
for (let i = parentRows.length - 1; i >= 0; i--) {
let row = parentRows[i];
this._closeContainer(row, true, true);
this.toggleOpenState(row, true, true);
}
this._refreshRowMap();
let numSorted = itemIDs.length - skipped.length;
if (numSorted) {
Zotero.debug(`Sorted ${numSorted} child items by parent toggle`);
}
if (!skipped.length) {
return;
}
itemIDs = skipped;
if (numSorted) {
Zotero.debug(`${itemIDs.length} items left to sort`);
}
}
var primaryField = this._getSortField();
var sortFields = this._getSortFields();
var order = this._getSortDirection(sortFields);
var collation = Zotero.getLocaleCollation();
var sortCreatorAsString = Zotero.Prefs.get('sortCreatorAsString');
Zotero.debug(`Sorting items list by ${sortFields.join(", ")} ${order == 1 ? "ascending" : "descending"} `
+ (itemIDs && itemIDs.length
? `for ${itemIDs.length} ` + Zotero.Utilities.pluralize(itemIDs.length, ['item', 'items'])
: ""));
// Set whether rows with empty values should be displayed last,
// which may be different for primary and secondary sorting.
var emptyFirst = {};
switch (primaryField) {
case 'title':
emptyFirst.title = true;
break;
// When sorting by title we want empty titles at the top, but if not
// sorting by title, empty titles should sort to the bottom so that new
// empty items don't get sorted to the middle of the items list.
default:
emptyFirst.title = false;
}
// Cache primary values while sorting, since base-field-mapped getField()
// calls are relatively expensive
var cache = {};
sortFields.forEach(x => cache[x] = {});
// Get the display field for a row (which might be a placeholder title)
function getField(field, row) {
var item = row.ref;
switch (field) {
case 'title':
return Zotero.Items.getSortTitle(item.getDisplayTitle());
case 'hasAttachment':
if (item.isFileAttachment()) {
var state = item.fileExistsCached() ? 1 : -1;
}
else if (item.isRegularItem()) {
var state = item.getBestAttachmentStateCached();
}
else {
return 0;
}
// Make sort order present, missing, empty when ascending
if (state === 1) {
state = 2;
}
else if (state === -1) {
state = 1;
}
return state;
case 'numNotes':
return row.numNotes(false, true) || 0;
// Use unformatted part of date strings (YYYY-MM-DD) for sorting
case 'date':
var val = row.ref.getField('date', true, true);
if (val) {
val = val.substr(0, 10);
if (val.indexOf('0000') == 0) {
val = "";
}
}
return val;
case 'year':
var val = row.ref.getField('date', true, true);
if (val) {
val = val.substr(0, 4);
if (val == '0000') {
val = "";
}
}
return val;
default:
return row.ref.getField(field, false, true);
}
}
var includeTrashed = this.collectionTreeRow.isTrash();
function fieldCompare(a, b, sortField) {
var aItemID = a.id;
var bItemID = b.id;
var fieldA = cache[sortField][aItemID];
var fieldB = cache[sortField][bItemID];
switch (sortField) {
case 'firstCreator':
return creatorSort(a, b);
case 'itemType':
var typeA = Zotero.ItemTypes.getLocalizedString(a.ref.itemTypeID);
var typeB = Zotero.ItemTypes.getLocalizedString(b.ref.itemTypeID);
return (typeA > typeB) ? 1 : (typeA < typeB) ? -1 : 0;
default:
if (fieldA === undefined) {
cache[sortField][aItemID] = fieldA = getField(sortField, a);
}
if (fieldB === undefined) {
cache[sortField][bItemID] = fieldB = getField(sortField, b);
}
// Display rows with empty values last
if (!emptyFirst[sortField]) {
if(fieldA === '' && fieldB !== '') return 1;
if(fieldA !== '' && fieldB === '') return -1;
}
if (sortField == 'hasAttachment') {
return fieldB - fieldA;
}
return collation.compareString(1, fieldA, fieldB);
}
}
var rowSort = function (a, b) {
for (let i = 0; i < sortFields.length; i++) {
let cmp = fieldCompare(a, b, sortFields[i]);
if (cmp !== 0) {
return cmp;
}
}
return 0;
};
var creatorSortCache = {};
// Regexp to extract the whole string up to an optional "and" or "et al."
var andEtAlRegExp = new RegExp(
// Extract the beginning of the string in non-greedy mode
"^.+?"
// up to either the end of the string, "et al." at the end of string
+ "(?=(?: " + Zotero.getString('general.etAl').replace('.', '\.') + ")?$"
// or ' and '
+ "| " + Zotero.getString('general.and') + " "
+ ")"
);
function creatorSort(a, b) {
var itemA = a.ref;
var itemB = b.ref;
//
// Try sorting by the first name in the firstCreator field, since we already have it
//
// For sortCreatorAsString mode, just use the whole string
//
var aItemID = a.id,
bItemID = b.id,
fieldA = creatorSortCache[aItemID],
fieldB = creatorSortCache[bItemID];
var prop = sortCreatorAsString ? 'firstCreator' : 'sortCreator';
var sortStringA = itemA[prop];
var sortStringB = itemB[prop];
if (fieldA === undefined) {
let firstCreator = Zotero.Items.getSortTitle(sortStringA);
if (sortCreatorAsString) {
var fieldA = firstCreator;
}
else {
var matches = andEtAlRegExp.exec(firstCreator);
fieldA = matches ? matches[0] : '';
}
creatorSortCache[aItemID] = fieldA;
}
if (fieldB === undefined) {
let firstCreator = Zotero.Items.getSortTitle(sortStringB);
if (sortCreatorAsString) {
var fieldB = firstCreator;
}
else {
matches = andEtAlRegExp.exec(firstCreator);
fieldB = matches ? matches[0] : '';
}
creatorSortCache[bItemID] = fieldB;
}
if (fieldA === "" && fieldB === "") {
return 0;
}
// Display rows with empty values last
if (fieldA === '' && fieldB !== '') return 1;
if (fieldA !== '' && fieldB === '') return -1;
return collation.compareString(1, fieldA, fieldB);
}
var savedSelection = this.getSelectedItems(true);
// Save open state and close containers before sorting
var openItemIDs = this._saveOpenState(true);
// Sort specific items
if (itemIDs) {
let idsToSort = new Set(itemIDs);
this._rows.sort((a, b) => {
// Don't re-sort existing items. This assumes a stable sort(), which is the case in Firefox
// but not Chrome/v8.
if (!idsToSort.has(a.ref.id) && !idsToSort.has(b.ref.id)) return 0;
return rowSort(a, b) * order;
});
}
// Full sort
else {
this._rows.sort((a, b) => rowSort(a, b) * order);
}
this._refreshRowMap();
this._rememberOpenState(openItemIDs);
this._restoreSelection(savedSelection);
if (this.tree && !this.selection.selectEventsSuppressed) {
this.tree.invalidate();
}
var numSorted = itemIDs ? itemIDs.length : this._rows.length;
Zotero.debug(`Sorted ${numSorted} ${Zotero.Utilities.pluralize(numSorted, ['item', 'items'])} `
+ `in ${new Date - t} ms`);
}
async setFilter(type, data) {
if (this._locked) return;
switch (type) {
case 'search':
this.collectionTreeRow.setSearch(data);
break;
case 'tags':
this.collectionTreeRow.setTags(data);
break;
default:
throw ('Invalid filter type in setFilter');
}
await this.refreshAndMaintainSelection();
};
ensureRowsAreVisible(indices) {
if (!this._treebox) return;
let itemHeight = 20; // px
if (Zotero.isLinux) {
itemHeight = 22;
}
itemHeight *= Zotero.Prefs.get('fontSize');
const pageLength = Math.floor(this._treebox.getWindowHeight() / itemHeight);
const maxBuffer = 5;
indices = Array.from(indices).filter(index => index < this._rows.length);
indices.sort((a, b) => a - b);
var indicesWithParents = [];
for (let row of indices) {
let parent = this.getParentIndex(row);
indicesWithParents.push(parent != -1 ? parent : row);
}
// If we can fit all parent indices in view, do that
for (let buffer = maxBuffer; buffer >= 0; buffer--) {
if (indicesWithParents[indicesWithParents.length - 1] - indicesWithParents[0] - buffer < pageLength) {
//Zotero.debug(`We can fit all parent indices with buffer ${buffer}`);
this.ensureRowIsVisible(indicesWithParents[0] - buffer);
this.ensureRowIsVisible(indicesWithParents[indicesWithParents.length-1] + buffer);
return;
}
}
// If we can fit all indices in view, do that
for (let buffer = maxBuffer; buffer >= 0; buffer--) {
if (indices[indices.length - 1] - indices[0] - buffer < pageLength) {
//Zotero.debug(`We can fit all indices with buffer ${buffer}`);
this.ensureRowIsVisible(indices[0] - buffer);
this.ensureRowIsVisible(indices[indices.length-1] + buffer);
return;
}
}
// If the first parent row isn't in view and we have enough room, make it visible, trying to
// put it five indices from the top
if (indices[0] != indicesWithParents[0]) {
for (let buffer = maxBuffer; buffer >= 0; buffer--) {
if (indices[0] - indicesWithParents[0] - buffer <= pageLength) {
//Zotero.debug(`Scrolling to first parent minus ${buffer}`);
this.ensureRowIsVisible(indicesWithParents[0] + buffer);
this.ensureRowIsVisible(indicesWithParents[0] - buffer);
return;
}
}
}
// Otherwise just put the first row at the top
//Zotero.debug("Scrolling to first row " + Math.max(indices[0] - maxBuffer, 0));
this.ensureRowIsVisible(indices[0] - maxBuffer);
this.ensureRowIsVisible(indices[0] + maxBuffer);
}
toggleOpenState = async (index, skipRowMapRefresh=false) => {
// Shouldn't happen but does if an item is dragged over a closed
// container until it opens and then released, since the container
// is no longer in the same place when the spring-load closes
if (!this.isContainer(index)) {
return;
}
if (this.isContainerOpen(index)) {
return this._closeContainer(index, skipRowMapRefresh);
}
if (!skipRowMapRefresh) {
var savedSelection = this.getSelectedItems(true);
}
var count = 0;
var level = this.getLevel(index);
//
// Open
//
var item = this.getRow(index).ref;
//Get children
var includeTrashed = this.collectionTreeRow.isTrash();
var attachments = item.getAttachments(includeTrashed);
var notes = item.getNotes(includeTrashed);
var newRows;
if (attachments.length && notes.length) {
newRows = notes.concat(attachments);
}
else if (attachments.length) {
newRows = attachments;
}
else if (notes.length) {
newRows = notes;
}
if (newRows) {
newRows = Zotero.Items.get(newRows);
for (let i = 0; i < newRows.length; i++) {
count++;
this._addRow(
new ItemTreeRow(newRows[i], level + 1, false),
index + i + 1,
true
);
}
}
this._rows[index].isOpen = true;
if (count == 0) {
return;
}
if (!skipRowMapRefresh) {
Zotero.debug('Refreshing item row map');
this._refreshRowMap();
await this._refreshPromise;
this._restoreSelection(savedSelection);
this.tree.invalidate();
}
}
expandMatchParents(searchParentIDs) {
// Expand parents of child matches
if (!this._searchMode) {
return;
}
var savedSelection = this.getSelectedItems(true);
for (var i=0; i<this.rowCount; i++) {
var id = this.getRow(i).ref.id;
if (searchParentIDs.has(id) && this.isContainer(i) && !this.isContainerOpen(i)) {
this.toggleOpenState(i, true);
}
}
this._refreshRowMap();
this._restoreSelection(savedSelection);
}
expandAllRows() {
this.selection.selectEventsSuppressed = true;
var selectedItems = this.getSelectedItems(true);
for (var i=0; i<this.rowCount; i++) {
if (this.isContainer(i) && !this.isContainerOpen(i)) {
this.toggleOpenState(i, true);
}
}
this._refreshRowMap();
this._restoreSelection(selectedItems);
this.tree.invalidate();
this.selection.selectEventsSuppressed = false;
}
collapseAllRows() {
this.selection.selectEventsSuppressed = true;
const selectedItems = this.getSelectedItems(true);
for (var i=0; i<this.rowCount; i++) {
if (this.isContainer(i)) {
this._closeContainer(i, true);
}
}
this._refreshRowMap();
this._restoreSelection(selectedItems, false);
this.tree.invalidate();
this.selection.selectEventsSuppressed = false;
};
expandSelectedRows() {
this.selection.selectEventsSuppressed = true;
const selectedItems = this.getSelectedItems(true);
// Reverse sort so we don't mess up indices of subsequent
// items when expanding
const indices = Array.from(this.selection.selected).sort((a, b) => b - a);
for (const index of indices) {
if (this.isContainer(index) && !this.isContainerOpen(index)) {
this.toggleOpenState(index, true);
}
}
this._refreshRowMap();
this._restoreSelection(selectedItems);
this.tree.invalidate();
this.selection.selectEventsSuppressed = false;
}
collapseSelectedRows() {
this.selection.selectEventsSuppressed = true;
const selectedItems = this.getSelectedItems(true);
// Reverse sort and so we don't mess up indices of subsequent
// items when collapsing
const indices = Array.from(this.selection.selected).sort((a, b) => b - a);
for (const index of indices) {
if (this.isContainer(index)) {
this._closeContainer(index, true);
}
}
this._refreshRowMap();
this._restoreSelection(selectedItems, false);
this.tree.invalidate();
this.selection.selectEventsSuppressed = false;
}
// //////////////////////////////////////////////////////////////////////////////
//
// Data access methods
//
// //////////////////////////////////////////////////////////////////////////////
getCellText(index, column) {
return this._getRowData(index)[column];
}
async deleteSelection(force) {
if (arguments.length > 1) {
throw new Error("ItemTree.deleteSelection() no longer takes two parameters");
}
if (this.selection.count == 0) {
return;
}
// Collapse open items
for (var i=0; i<this.rowCount; i++) {
if (this.selection.isSelected(i) && this.isContainer(i)) {
this._closeContainer(i, true, true);
}
}
this._refreshRowMap();
this.tree.invalidate();
// Create an array of selected items
var ids = Array.from(this.selection.selected).map(index => this.getRow(index).id);
var collectionTreeRow = this.collectionTreeRow;
if (collectionTreeRow.isBucket()) {
collectionTreeRow.ref.deleteItems(ids);
}
if (collectionTreeRow.isTrash()) {
await Zotero.Items.erase(ids);
}
else if (collectionTreeRow.isLibrary(true) || force) {
await Zotero.Items.trashTx(ids);
}
else if (collectionTreeRow.isCollection()) {
await Zotero.DB.executeTransaction(async () => {
await collectionTreeRow.ref.removeItems(ids);
});
}
else if (collectionTreeRow.isPublications()) {
await Zotero.Items.removeFromPublications(ids.map(id => Zotero.Items.get(id)));
}
}
getSelectedItems(asIDs) {
var items = this.selection ? Array.from(this.selection.selected) : [];
items = items.filter(index => index < this._rows.length);
try {
if (asIDs) return items.map(index => this.getRow(index).ref.id);
return items.map(index => this.getRow(index).ref);
} catch (e) {
Zotero.debug(items);
throw e;
}
}
isSelectable = (index) => {
if (!this._searchMode || this.collectionTreeRow.isPublications()) return true;
let row = this.getRow(index);
return row && this._searchItemIDs.has(row.id);
}
isContainer = (index) => {
return this.getRow(index).ref.isRegularItem();
}
isContainerOpen = (index) => {
return this.getRow(index).isOpen;
}
isContainerEmpty = (index) => {
if (this.regularOnly) {
return true;
}
var item = this.getRow(index).ref;
if (!item.isRegularItem()) {
return true;
}
var includeTrashed = this.collectionTreeRow.isTrash();
return item.numNotes(includeTrashed) === 0 && item.numAttachments(includeTrashed) == 0;
}
////////////////////////////////////////////////////////////////////////////////
///
/// Drag-and-drop methods
///
////////////////////////////////////////////////////////////////////////////////
/**
* Start a drag using HTML 5 Drag and Drop
*/
onDragStart = (event, index) => {
// See note in LibraryTreeView::setDropEffect()
if (Zotero.isWin || Zotero.isLinux) {
event.dataTransfer.effectAllowed = 'copyMove';
}
// Propagate selection before we set the drag image if dragging not one of the selected rows
if (!this.selection.isSelected(index)) {
this.selection.select(index);
}
// Set drag image
const dragElems = this.domEl.querySelectorAll('.selected');
for (let elem of dragElems) {
elem = elem.cloneNode(true);
elem.style.position = "initial";
this._dragImageContainer.appendChild(elem);
}
event.dataTransfer.setDragImage(this._dragImageContainer, 0, 0);
var itemIDs = this.getSelectedItems(true);
event.dataTransfer.setData("zotero/item", itemIDs);
var items = Zotero.Items.get(itemIDs);
Zotero.DragDrop.currentDragSource = this.collectionTreeRow;
// If at least one file is a non-web-link attachment and can be found,
// enable dragging to file system
var files = items
.filter(item => item.isAttachment())
.map(item => item.getFilePath())
.filter(path => path);
if (files.length) {
// Advanced multi-file drag (with unique filenames, which otherwise happen automatically on
// Windows but not Linux) and auxiliary snapshot file copying on macOS
let dataProvider;
if (Zotero.isMac) {
dataProvider = new Zotero.FileDragDataProvider(itemIDs);
}
for (let i = 0; i < files.length; i++) {
let file = Zotero.File.pathToFile(files[i]);
if (dataProvider) {
Zotero.debug("Adding application/x-moz-file-promise");
event.dataTransfer.mozSetDataAt("application/x-moz-file-promise", dataProvider, i);
}
// Allow dragging to filesystem on Linux and Windows
let uri;
if (!Zotero.isMac) {
Zotero.debug("Adding text/x-moz-url " + i);
let fph = Cc["@mozilla.org/network/protocol;1?name=file"]
.createInstance(Ci.nsIFileProtocolHandler);
uri = fph.getURLSpecFromFile(file);
event.dataTransfer.mozSetDataAt("text/x-moz-url", uri + '\n' + file.leafName, i);
}
// Allow dragging to web targets (e.g., Gmail)
Zotero.debug("Adding application/x-moz-file " + i);
event.dataTransfer.mozSetDataAt("application/x-moz-file", file, i);
if (Zotero.isWin) {
event.dataTransfer.mozSetDataAt("application/x-moz-file-promise-url", uri, i);
}
else if (Zotero.isLinux) {
// Don't create a symlink for an unmodified drag
event.dataTransfer.effectAllowed = 'copy';
}
}
}
// Get Quick Copy format for current URL (set via /ping from connector)
var format = Zotero.QuickCopy.getFormatFromURL(Zotero.QuickCopy.lastActiveURL);
Zotero.debug("Dragging with format " + format);
var exportCallback = function(obj, worked) {
if (!worked) {
Zotero.log(Zotero.getString("fileInterface.exportError"), 'warning');
return;
}
var text = obj.string.replace(/\r\n/g, "\n");
event.dataTransfer.setData("text/plain", text);
}
format = Zotero.QuickCopy.unserializeSetting(format);
try {
if (format.mode == 'export') {
Zotero.QuickCopy.getContentFromItems(items, format, exportCallback);
}
else if (format.mode == 'bibliography') {
var content = Zotero.QuickCopy.getContentFromItems(items, format, null, event.shiftKey);
if (content) {
if (content.html) {
event.dataTransfer.setData("text/html", content.html);
}
event.dataTransfer.setData("text/plain", content.text);
}
}
else {
Cu.reportError("Invalid Quick Copy mode");
}
}
catch (e) {
Zotero.debug(e);
Cu.reportError(e + " with '" + format.id + "'");
}
}
/**
* We use this to set the drag action, which is used by view.canDrop(),
* based on the view's canDropCheck() and modifier keys.
*/
onDragOver = (event, row) => {
try {
event.preventDefault();
event.stopPropagation();
var previousOrientation = Zotero.DragDrop.currentOrientation;
Zotero.DragDrop.currentOrientation = getDragTargetOrient(event);
Zotero.debug(`Dragging over item ${row} with ${Zotero.DragDrop.currentOrientation}, drop row: ${this._dropRow}`);
var target = event.target;
if (target.classList.contains('items-tree-message')) {
let doc = target.ownerDocument;
// Consider a drop on the items pane message box (e.g., when showing the welcome text)
// a drop on the items tree
if (target.firstChild.hasAttribute('allowdrop')) {
target = doc.querySelector('#zotero-items-tree treechildren');
}
else {
this.setDropEffect(event, "none");
return false;
}
}
if (!this.canDropCheck(row, Zotero.DragDrop.currentOrientation, event.dataTransfer)) {
this.setDropEffect(event, "none");
return false;
}
if (event.dataTransfer.getData("zotero/item")) {
var sourceCollectionTreeRow = Zotero.DragDrop.getDragSource();
if (sourceCollectionTreeRow) {
var targetCollectionTreeRow = this.collectionTreeRow;
if (!targetCollectionTreeRow) {
this.setDropEffect(event, "none");
return false;
}
if (sourceCollectionTreeRow.id == targetCollectionTreeRow.id) {
// If dragging from the same source, do a move
this.setDropEffect(event, "move");
return false;
}
// If the source isn't a collection, the action has to be a copy
if (!sourceCollectionTreeRow.isCollection()) {
this.setDropEffect(event, "copy");
return false;
}
// For now, all cross-library drags are copies
if (sourceCollectionTreeRow.ref.libraryID != targetCollectionTreeRow.ref.libraryID) {
this.setDropEffect(event, "copy");
return false;
}
}
if ((Zotero.isMac && event.metaKey) || (!Zotero.isMac && event.shiftKey)) {
this.setDropEffect(event, "move");
}
else {
this.setDropEffect(event, "copy");
}
}
else if (event.dataTransfer.types.contains("application/x-moz-file")) {
// As of Aug. 2013 nightlies:
//
// - Setting the dropEffect only works on Linux and OS X.
//
// - Modifier keys don't show up in the drag event on OS X until the
// drop (https://bugzilla.mozilla.org/show_bug.cgi?id=911918),
// so since we can't show a correct effect, we leave it at
// the default 'move', the least misleading option, and set it
// below in onDrop().
//
// - The cursor effect gets set by the system on Windows 7 and can't
// be overridden.
if (!Zotero.isMac) {
if (event.shiftKey) {
if (event.ctrlKey) {
event.dataTransfer.dropEffect = "link";
}
else {
event.dataTransfer.dropEffect = "move";
}
}
else {
event.dataTransfer.dropEffect = "copy";
}
}
}
return false;
} finally {
let prevDropRow = this._dropRow;
if (event.dataTransfer.dropEffect != 'none') {
this._dropRow = row;
} else {
this._dropRow = null;
}
if (prevDropRow != this._dropRow || previousOrientation != Zotero.DragDrop.currentOrientation) {
typeof prevDropRow == 'number' && this.tree.invalidateRow(prevDropRow);
this.tree.invalidateRow(row);
}
}
}
onDragEnd = () => {
this._dragImageContainer.innerHTML = "";
this._dropRow = null;
this.tree.invalidate();
}
onDragLeave = () => {
let dropRow = this._dropRow;
this._dropRow = null;
this.tree.invalidateRow(dropRow);
}
/**
* Called by treeRow.onDragOver() before setting the dropEffect
*/
canDropCheck = (row, orient, dataTransfer) => {
//Zotero.debug("Row is " + row + "; orient is " + orient);
var dragData = Zotero.DragDrop.getDataFromDataTransfer(dataTransfer);
if (!dragData) {
Zotero.debug("No drag data");
return false;
}
var dataType = dragData.dataType;
var data = dragData.data;
var collectionTreeRow = this.collectionTreeRow;
if (row != -1 && orient == 0) {
var rowItem = this.getRow(row).ref; // the item we are dragging over
// Cannot drop anything on attachments/notes
if (!rowItem.isRegularItem()) {
return false;
}
}
if (dataType == 'zotero/item') {
let items = Zotero.Items.get(data);
// Directly on a row
if (rowItem) {
var canDrop = false;
for (let item of items) {
// If any regular items, disallow drop
if (item.isRegularItem()) {
return false;
}
// Disallow cross-library child drag
if (item.libraryID != collectionTreeRow.ref.libraryID) {
return false;
}
// Only allow dragging of notes and attachments
// that aren't already children of the item
if (item.parentItemID != rowItem.id) {
canDrop = true;
}
}
return canDrop;
}
// In library, allow children to be dragged out of parent
else if (collectionTreeRow.isLibrary(true) || collectionTreeRow.isCollection()) {
for (let item of items) {
// Don't allow drag if any top-level items
if (item.isTopLevelItem()) {
return false;
}
// Don't allow web attachments to be dragged out of parents,
// but do allow PDFs for now so they can be recognized
if (item.isWebAttachment() && item.attachmentContentType != 'application/pdf') {
return false;
}
// Don't allow children to be dragged within their own parents
var parentItemID = item.parentItemID;
var parentIndex = this._rowMap[parentItemID];
if (row != -1 && this.getLevel(row) > 0) {
if (this.getRow(this.getParentIndex(row)).ref.id == parentItemID) {
return false;
}
}
// Including immediately after the parent
if (orient == 1) {
if (row == parentIndex) {
return false;
}
}
// And immediately before the next parent
if (orient == -1) {
var nextParentIndex = null;
for (var i = parentIndex + 1; i < this.rowCount; i++) {
if (this.getLevel(i) == 0) {
nextParentIndex = i;
break;
}
}
if (row === nextParentIndex) {
return false;
}
}
// Disallow cross-library child drag
if (item.libraryID != collectionTreeRow.ref.libraryID) {
return false;
}
}
return true;
}
return false;
}
else if (dataType == "text/x-moz-url" || dataType == 'application/x-moz-file') {
// Disallow direct drop on a non-regular item (e.g. note)
if (rowItem) {
if (!rowItem.isRegularItem()) {
return false;
}
}
// Don't allow drop into searches or publications
else if (collectionTreeRow.isSearch() || collectionTreeRow.isPublications()) {
return false;
}
return true;
}
return false;
};
/*
* Called when something's been dropped on or next to a row
*/
onDrop = async (event, row) => {
const dataTransfer = event.dataTransfer;
var orient = Zotero.DragDrop.currentOrientation;
if (row == -1) {
row = 0;
orient = -1;
}
this._dropRow = null;
Zotero.DragDrop.currentDragSource = null;
if (!dataTransfer.dropEffect || dataTransfer.dropEffect == "none") {
return false;
}
var dragData = Zotero.DragDrop.getDataFromDataTransfer(dataTransfer);
if (!dragData) {
Zotero.debug("No drag data");
return false;
}
var dropEffect = dragData.dropEffect;
var dataType = dragData.dataType;
var data = dragData.data;
var sourceCollectionTreeRow = Zotero.DragDrop.getDragSource(dataTransfer);
var collectionTreeRow = this.collectionTreeRow;
var targetLibraryID = collectionTreeRow.ref.libraryID;
if (dataType == 'zotero/item') {
var ids = data;
var items = Zotero.Items.get(ids);
if (items.length < 1) {
return;
}
// TEMP: This is always false for now, since cross-library drag
// is disallowed in canDropCheck()
//
// TODO: support items coming from different sources?
if (items[0].libraryID == targetLibraryID) {
var sameLibrary = true;
}
else {
var sameLibrary = false;
}
var toMove = [];
// Dropped directly on a row
if (orient == 0) {
// Set drop target as the parent item for dragged items
//
// canDrop() limits this to child items
var rowItem = this.getRow(row).ref; // the item we are dragging over
await Zotero.DB.executeTransaction(async function () {
for (let i=0; i<items.length; i++) {
let item = items[i];
item.parentID = rowItem.id;
await item.save();
}
});
}
// Dropped outside of a row
else
{
// Remove from parent and make top-level
if (collectionTreeRow.isLibrary(true)) {
await Zotero.DB.executeTransaction(async function () {
for (let i=0; i<items.length; i++) {
let item = items[i];
if (!item.isRegularItem()) {
item.parentID = false;
await item.save()
}
}
});
}
// Add to collection
else
{
await Zotero.DB.executeTransaction(async function () {
for (let i=0; i<items.length; i++) {
let item = items[i];
var source = item.isRegularItem() ? false : item.parentItemID;
// Top-level item
if (source) {
item.parentID = false;
item.addToCollection(collectionTreeRow.ref.id);
await item.save();
}
else {
item.addToCollection(collectionTreeRow.ref.id);
await item.save();
}
toMove.push(item.id);
}
});
}
}
// If moving, remove items from source collection
if (dropEffect == 'move' && toMove.length) {
if (!sameLibrary) {
throw new Error("Cannot move items between libraries");
}
if (!sourceCollectionTreeRow || !sourceCollectionTreeRow.isCollection()) {
throw new Error("Drag source must be a collection");
}
if (collectionTreeRow.id != sourceCollectionTreeRow.id) {
await Zotero.DB.executeTransaction(async function () {
await collectionTreeRow.ref.removeItems(toMove);
}.bind(this));
}
}
}
else if (dataType == 'text/x-moz-url' || dataType == 'application/x-moz-file') {
// Disallow drop into read-only libraries
if (!collectionTreeRow.editable) {
window.ZoteroPane.displayCannotEditLibraryMessage();
return;
}
var targetLibraryID = collectionTreeRow.ref.libraryID;
var parentItemID = false;
var parentCollectionID = false;
if (orient == 0) {
let treerow = this.getRow(row);
parentItemID = treerow.ref.id;
}
else if (collectionTreeRow.isCollection()) {
var parentCollectionID = collectionTreeRow.ref.id;
}
let addedItems = [];
var notifierQueue = new Zotero.Notifier.Queue;
try {
// If there's a single file being added to a parent, automatic renaming is enabled,
// and there are no other non-HTML attachments, we'll rename the file as long as it's
// an allowed type. The dragged data could be a URL, so we don't yet know the file type.
// This should be kept in sync with ZoteroPane.addAttachmentFromDialog().
let renameIfAllowedType = false;
let parentItem;
if (parentItemID
&& data.length == 1
&& Zotero.Attachments.shouldAutoRenameFile(dropEffect == 'link')) {
parentItem = Zotero.Items.get(parentItemID);
if (!parentItem.numNonHTMLFileAttachments()) {
renameIfAllowedType = true;
}
}
for (var i=0; i<data.length; i++) {
var file = data[i];
if (dataType == 'text/x-moz-url') {
var url = data[i];
// Still string, so remote URL
if (typeof file == 'string') {
let item;
if (parentItemID) {
if (!collectionTreeRow.filesEditable) {
window.ZoteroPane.displayCannotEditLibraryFilesMessage();
return;
}
item = await Zotero.Attachments.importFromURL({
libraryID: targetLibraryID,
url,
renameIfAllowedType,
parentItemID,
saveOptions: {
notifierQueue
}
});
}
else {
item = await window.ZoteroPane.addItemFromURL(url, 'temporaryPDFHack'); // TODO: don't do this
}
if (item) {
addedItems.push(item);
}
continue;
}
// Otherwise file, so fall through
}
file = file.path;
// Rename file if it's an allowed type
let fileBaseName = false;
if (renameIfAllowedType) {
fileBaseName = await Zotero.Attachments.getRenamedFileBaseNameIfAllowedType(
parentItem, file
);
}
let item;
if (dropEffect == 'link') {
// Rename linked file, with unique suffix if necessary
try {
if (fileBaseName) {
let ext = Zotero.File.getExtension(file);
let newName = await Zotero.File.rename(
file,
fileBaseName + (ext ? '.' + ext : ''),
{
unique: true
}
);
// Update path in case the name was changed to be unique
file = OS.Path.join(OS.Path.dirname(file), newName);
}
}
catch (e) {
Zotero.logError(e);
}
item = await Zotero.Attachments.linkFromFile({
file,
parentItemID,
collections: parentCollectionID ? [parentCollectionID] : undefined,
saveOptions: {
notifierQueue
}
});
}
else {
if (file.endsWith(".lnk")) {
window.ZoteroPane.displayCannotAddShortcutMessage(file);
continue;
}
item = await Zotero.Attachments.importFromFile({
file,
fileBaseName,
libraryID: targetLibraryID,
parentItemID,
collections: parentCollectionID ? [parentCollectionID] : undefined,
saveOptions: {
notifierQueue
}
});
// If moving, delete original file
if (dragData.dropEffect == 'move') {
try {
await OS.File.remove(file);
}
catch (e) {
Zotero.logError("Error deleting original file " + file + " after drag");
}
}
}
if (item) {
addedItems.push(item);
}
}
}
finally {
await Zotero.Notifier.commit(notifierQueue);
}
// Automatically retrieve metadata for PDFs
if (!parentItemID) {
Zotero.RecognizePDF.autoRecognizeItems(addedItems);
}
}
};
// //////////////////////////////////////////////////////////////////////////////
//
// Private methods
//
// //////////////////////////////////////////////////////////////////////////////
_handleSelectionChange = (selection, shouldDebounce) => {
// Update aria-activedescendant on the tree
if (this.collectionTreeRow.isDuplicates() && selection.count == 1) {
var itemID = this.getRow(selection.focused).ref.id;
var setItemIDs = this.collectionTreeRow.ref.getSetItemsByItemID(itemID);
// We are modifying the selection object directly here
// which won't trigger item updates
for (let id of setItemIDs) {
selection.selected.add(this._rowMap[id]);
this.tree.invalidateRow(this._rowMap[id]);
}
}
if (shouldDebounce) {
this._onSelectionChangeDebounced();
}
else {
this._onSelectionChange();
}
}
async _closeContainer(index, skipRowMapRefresh) {
// isContainer == false shouldn't happen but does if an item is dragged over a closed
// container until it opens and then released, since the container is no longer in the same
// place when the spring-load closes
if (!this.isContainer(index)) return;
if (!this.isContainerOpen(index)) return;
if (!skipRowMapRefresh) {
var savedSelection = this.getSelectedItems(true);
}
var count = 0;
var level = this.getLevel(index);
// Remove child rows
while ((index + 1 < this._rows.length) && (this.getLevel(index + 1) > level)) {
// Skip the map update here and just refresh the whole map below,
// since we might be removing multiple rows
this._removeRow(index + 1, true);
count++;
}
this._rows[index].isOpen = false;
if (count == 0) {
return;
}
if (!skipRowMapRefresh) {
Zotero.debug('Refreshing item row map');
this._refreshRowMap();
await this._refreshPromise;
this._restoreSelection(savedSelection, false);
this.tree.invalidate();
}
}
_getRowData = (index) => {
var treeRow = this.getRow(index);
if (!treeRow) {
throw new Error(`Attempting to get row data for a non-existant tree row ${index}`);
}
var itemID = treeRow.id;
// If value is available, retrieve synchronously
if (this._rowCache[itemID]) {
return this._rowCache[itemID];
}
let row = {};
// Mark items not matching search as context rows, displayed in gray
if (this._searchMode && !this._searchItemIDs.has(itemID)) {
row.contextRow = true;
}
row.hasAttachment = "";
// Don't show pie for open parent items, since we show it for the
// child item
if (!this.isContainer(index) || !this.isContainerOpen(index)) {
var num = Zotero.Sync.Storage.getItemDownloadImageNumber(treeRow.ref);
row.hasAttachment = num === false ? "pie" : "pie" + num;
}
// Style unread items in feeds
if (treeRow.ref.isFeedItem && !treeRow.ref.isRead) {
row.unread = true;
}
row.itemType = Zotero.ItemTypes.getLocalizedString(treeRow.ref.itemTypeID);
// Year column is just date field truncated
row.year = treeRow.getField('date', true).substr(0, 4);
if (row.year) {
// Don't show anything for unparsed year
if (row.year === "0000") {
row.year = "";
}
// Show pre-1000 year without leading zeros
else if (row.year < 1000) {
row.year = parseInt(row.year);
}
}
row.numNotes = treeRow.numNotes() || "";
row.title = treeRow.ref.getDisplayTitle();
for (let col of this.props.columns) {
let key = col.dataKey;
let val = row[key];
if (val === undefined) {
val = treeRow.getField(key);
}
switch (key) {
// Format dates as short dates in proper locale order and locale time
// (e.g. "4/4/07 14:27:23")
case 'dateAdded':
case 'dateModified':
case 'accessDate':
case 'date':
if (key == 'date' && !this.collectionTreeRow.isFeed()) {
break;
}
if (val) {
let date = Zotero.Date.sqlToDate(val, true);
if (date) {
// If no time, interpret as local, not UTC
if (Zotero.Date.isSQLDate(val)) {
date = Zotero.Date.sqlToDate(val);
val = date.toLocaleDateString();
}
else {
val = date.toLocaleString();
}
}
else {
val = '';
}
}
}
row[key] = val;
}
return this._rowCache[itemID] = row;
}
_getColumnPrefs = () => {
if (!this.props.persistColumns) return {};
return this._columnPrefs || {};
}
_storeColumnPrefs = (prefs) => {
if (!this.props.persistColumns) return;
Zotero.debug(`Storing itemTree ${this.id} column prefs`, 2);
this._columnPrefs = prefs;
if (!this._columns) {
Zotero.debug(new Error(), 1);;
}
this._columns = this._columns.map(column => Object.assign(column, prefs[column.dataKey]))
.sort((a, b) => a.ordinal - b.ordinal);
this._writeColumnPrefsToFile();
}
_loadColumnPrefsFromFile = async () => {
if (!this.props.persistColumns) return;
try {
let columnPrefs = await Zotero.File.getContentsAsync(COLUMN_PREFS_FILEPATH);
let persistSettings = JSON.parse(columnPrefs);
this._columnPrefs = persistSettings[this.id] || {};
}
catch (e) {
this._columnPrefs = {};
}
}
/**
* Writes column prefs to file, but is throttled to not do it more often than
* every 60s. Can use the force param to force write to file immediately.
* @param force {Boolean} force an immediate write to file without throttling
* @returns {Promise}
*/
_writeColumnPrefsToFile = async (force=false) => {
if (!this.props.persistColumns) return;
var writeToFile = async () => {
try {
let persistSettingsString = await Zotero.File.getContentsAsync(COLUMN_PREFS_FILEPATH);
var persistSettings = JSON.parse(persistSettingsString);
}
catch {
persistSettings = {};
}
persistSettings[this.id] = this._columnPrefs;
let prefString = JSON.stringify(persistSettings);
Zotero.debug(`Writing column prefs of length ${prefString.length} to file ${COLUMN_PREFS_FILEPATH}`);
return Zotero.File.putContentsAsync(COLUMN_PREFS_FILEPATH, prefString);
};
if (this._writeColumnsTimeout) {
clearTimeout(this._writeColumnsTimeout);
}
if (force) {
return writeToFile();
}
else {
this._writeColumnsTimeout = setTimeout(writeToFile, 60000);
}
};
_setLegacyColumnSettings(column) {
let persistSettings = JSON.parse(Zotero.Prefs.get('pane.persist') || "{}");
const legacyDataKey = "zotero-items-column-" + column.dataKey;
const legacyPersistSetting = persistSettings[legacyDataKey];
if (legacyPersistSetting) {
// Remove legacy pref
// TODO: uncomment once xul item tree fully phased out
// delete persistSettings[legacyDataKey];
for (const key in legacyPersistSetting) {
if (typeof legacyPersistSetting[key] == "string") {
if (key == 'sortDirection') {
legacyPersistSetting[key] = legacyPersistSetting[key] == 'ascending' ? 1 : -1;
}
else {
try {
legacyPersistSetting[key] = JSON.parse(legacyPersistSetting[key]);
} catch (e) {}
}
}
if (key == 'ordinal') {
legacyPersistSetting[key] /= 2;
}
}
Zotero.Prefs.set('pane.persist', JSON.stringify(persistSettings));
}
return Object.assign({}, column, legacyPersistSetting || {});
}
_getColumns() {
if (!this.collectionTreeRow) {
return [];
}
const visibilityGroup = this.collectionTreeRow.visibilityGroup;
const prefKey = this.id;
if (this._columnsId == prefKey) {
return this._columns;
}
this._columnsId = prefKey;
this._columns = [];
let columnsSettings = this._getColumnPrefs();
let hasDefaultIn = this.props.columns.some(column => 'defaultIn' in column);
for (let column of this.props.columns) {
if (this.props.persistColumns) {
if (column.disabledIn && column.disabledIn.includes(visibilityGroup)) continue;
const columnSettings = columnsSettings[column.dataKey];
if (!columnSettings) {
column = this._setLegacyColumnSettings(column);
}
// Also includes a `hidden` pref and overrides the above if available
column = Object.assign({}, column, columnSettings || {});
if (column.sortDirection) {
this._sortedColumn = column;
}
// If column does not have an "ordinal" field it means it
// is newly added
if (!("ordinal" in column)) {
column.ordinal = this.props.columns.findIndex(c => c.dataKey == column.dataKey);
}
}
else {
column = Object.assign({}, column);
}
// Initial hidden value
if (!("hidden" in column)) {
if (hasDefaultIn) {
column.hidden = !(column.defaultIn && column.defaultIn.has(visibilityGroup));
}
else {
column.hidden = false;
}
}
this._columns.push(column);
}
return this._columns;
}
_getColumn(index) {
return this._getColumns()[index];
}
_updateIntroText() {
if (!window.ZoteroPane) {
return;
}
if (this.collectionTreeRow && !this.rowCount) {
let doc = this._ownerDocument;
let ns = 'http://www.w3.org/1999/xhtml';
let div;
// My Library and no groups
if (this.collectionTreeRow.isLibrary() && !Zotero.Groups.getAll().length) {
div = doc.createElementNS(ns, 'div');
let p = doc.createElementNS(ns, 'p');
let html = Zotero.getString(
'pane.items.intro.text1',
[
Zotero.clientName
]
);
// Encode special chars, which shouldn't exist
html = Zotero.Utilities.htmlSpecialChars(html);
html = `<b>${html}</b>`;
p.innerHTML = html;
div.appendChild(p);
p = doc.createElementNS(ns, 'p');
html = Zotero.getString(
'pane.items.intro.text2',
[
Zotero.getString('connector.name', Zotero.clientName),
Zotero.clientName
]
);
// Encode special chars, which shouldn't exist
html = Zotero.Utilities.htmlSpecialChars(html);
html = html.replace(
/\[([^\]]+)](.+)\[([^\]]+)]/,
`<span class="text-link" data-href="${window.ZOTERO_CONFIG.QUICK_START_URL}">$1</span>`
+ '$2'
+ `<span class="text-link" data-href="${window.ZOTERO_CONFIG.CONNECTORS_URL}">$3</span>`
);
p.innerHTML = html;
div.appendChild(p);
p = doc.createElementNS(ns, 'p');
html = Zotero.getString('pane.items.intro.text3', [Zotero.clientName]);
// Encode special chars, which shouldn't exist
html = Zotero.Utilities.htmlSpecialChars(html);
html = html.replace(
/\[([^\]]+)]/,
'<span class="text-link" data-action="open-sync-prefs">$1</span>'
);
p.innerHTML = html;
div.appendChild(p);
// Activate text links
for (let span of div.getElementsByTagName('span')) {
if (span.classList.contains('text-link')) {
if (span.hasAttribute('data-href')) {
span.onclick = function () {
doc.defaultView.ZoteroPane.loadURI(this.getAttribute('data-href'));
};
}
else if (span.hasAttribute('data-action')) {
if (span.getAttribute('data-action') == 'open-sync-prefs') {
span.onclick = () => {
Zotero.Utilities.Internal.openPreferences('zotero-prefpane-sync');
};
}
}
}
}
div.setAttribute('allowdrop', true);
}
// My Publications
else if (this.collectionTreeRow.isPublications()) {
div = doc.createElementNS(ns, 'div');
div.className = 'publications';
let p = doc.createElementNS(ns, 'p');
p.textContent = Zotero.getString('publications.intro.text1', window.ZOTERO_CONFIG.DOMAIN_NAME);
div.appendChild(p);
p = doc.createElementNS(ns, 'p');
p.textContent = Zotero.getString('publications.intro.text2');
div.appendChild(p);
p = doc.createElementNS(ns, 'p');
let html = Zotero.getString('publications.intro.text3');
// Convert <b> tags to placeholders
html = html.replace('<b>', ':b:').replace('</b>', ':/b:');
// Encode any other special chars, which shouldn't exist
html = Zotero.Utilities.htmlSpecialChars(html);
// Restore bold text
html = html.replace(':b:', '<strong>').replace(':/b:', '</strong>');
p.innerHTML = html; // AMO note: markup from hard-coded strings and filtered above
div.appendChild(p);
}
if (div) {
this._introText = true;
doc.defaultView.ZoteroPane_Local.setItemsPaneMessage(div);
return;
}
this._introText = null;
}
if (this._introText || this._introText === null) {
window.ZoteroPane.clearItemsPaneMessage();
this._introText = false;
}
}
/**
* Restore a scroll position returned from _saveScrollPosition()
*/
_rememberScrollPosition(scrollPosition) {
if (!scrollPosition || !scrollPosition.id || !this._treebox) {
return;
}
var row = this.getRowIndexByID(scrollPosition.id);
if (row === false) {
return;
}
this._treebox.scrollToRow(Math.max(row - scrollPosition.offset, 0));
}
/**
* Return an object describing the current scroll position to restore after changes
*
* @return {Object|Boolean} - Object with .id (a treeViewID) and .offset, or false if no rows
*/
_saveScrollPosition() {
if (!this._treebox) return false;
var treebox = this._treebox;
var first = treebox.getFirstVisibleRow();
if (!first) {
return false;
}
var last = treebox.getLastVisibleRow();
var firstSelected = null;
for (let i = first; i <= last; i++) {
// If an object is selected, keep the first selected one in position
if (this.selection.isSelected(i)) {
let row = this.getRow(i);
if (!row) return false;
return {
id: row.ref.treeViewID,
offset: i - first
};
}
}
// Otherwise keep the first visible row in position
let row = this.getRow(first);
if (!row) return false;
return {
id: row.ref.treeViewID,
offset: 0
};
}
_saveOpenState(close) {
if (!this.tree) return [];
var itemIDs = [];
if (close) {
if (!this.selection.selectEventsSuppressed) {
var unsuppress = this.selection.selectEventsSuppressed = true;
}
}
for (var i=0; i<this._rows.length; i++) {
if (this.isContainer(i) && this.isContainerOpen(i)) {
itemIDs.push(this.getRow(i).ref.id);
if (close) {
this._closeContainer(i, true);
}
}
}
if (close) {
this._refreshRowMap();
if (unsuppress) {
this.selection.selectEventsSuppressed = false;
}
}
return itemIDs;
}
_rememberOpenState(itemIDs) {
if (!this.tree) return;
var rowsToOpen = [];
for (let id of itemIDs) {
var row = this._rowMap[id];
// Item may not still exist
if (row == undefined) {
continue;
}
rowsToOpen.push(row);
}
rowsToOpen.sort(function (a, b) {
return a - b;
});
if (!this.selection.selectEventsSuppressed) {
var unsuppress = this.selection.selectEventsSuppressed = true;
}
// Reopen from bottom up
for (var i=rowsToOpen.length-1; i>=0; i--) {
this.toggleOpenState(rowsToOpen[i], true);
}
this._refreshRowMap();
if (unsuppress) {
this.selection.selectEventsSuppressed = false;
}
}
/**
*
* @param selection
* @param {Boolean} expandCollapsedParents - if an item to select is in a collapsed parent
* will expand the parent, otherwise the item is ignored
* @private
*/
async _restoreSelection(selection, expandCollapsedParents=true) {
if (!selection.length || !this._treebox) {
return;
}
if (!this.selection.selectEventsSuppressed) {
var unsuppress = this.selection.selectEventsSuppressed = true;
}
this.selection.clearSelection();
let focusedSet = false;
var toggleSelect = (function (itemID) {
if (!focusedSet) {
this.selection.select(this._rowMap[itemID]);
focusedSet = true;
}
else {
this.selection.toggleSelect(this._rowMap[itemID]);
}
}).bind(this);
try {
for (let i = 0; i < selection.length; i++) {
if (this._rowMap[selection[i]] != null) {
toggleSelect(selection[i]);
}
// Try the parent
else {
var item = Zotero.Items.get(selection[i]);
if (!item) {
continue;
}
var parent = item.parentItemID;
if (!parent) {
continue;
}
if (this._rowMap[parent] != null) {
if (expandCollapsedParents) {
await this._closeContainer(this._rowMap[parent]);
await this.toggleOpenState(this._rowMap[parent]);
toggleSelect(selection[i]);
}
else {
!this.selection.isSelected(this._rowMap[parent]) &&
toggleSelect(parent);
}
}
}
}
}
// Ignore NS_ERROR_UNEXPECTED from nsITreeSelection::toggleSelect(), apparently when the tree
// disappears before it's called (though I can't reproduce it):
//
// https://forums.zotero.org/discussion/69226/papers-become-invisible-in-the-middle-pane
catch (e) {
Zotero.logError(e);
}
this.ensureRowsAreVisible(Array.from(this.selection.selected));
if (unsuppress) {
this.selection.selectEventsSuppressed = false;
}
}
_handleColumnSort = async (index, sortDirection) => {
let columnSettings = this._getColumnPrefs();
let column = this._getColumn(index);
if (column.dataKey == 'hasAttachment') {
Zotero.debug("Caching best attachment states");
if (!this._cachedBestAttachmentStates) {
let t = new Date();
for (let i = 0; i < this._rows.length; i++) {
let item = this.getRow(i).ref;
if (item.isRegularItem()) {
await item.getBestAttachmentState();
}
}
Zotero.debug("Cached best attachment states in " + (new Date - t) + " ms");
this._cachedBestAttachmentStates = true;
}
}
if (this._sortedColumn && this._sortedColumn.dataKey == column.dataKey) {
this._sortedColumn.sortDirection = sortDirection;
if (columnSettings[column.dataKey]) {
columnSettings[column.dataKey].sortDirection = this._sortedColumn.sortDirection;
}
}
else {
if (this._sortedColumn) {
delete this._sortedColumn.sortDirection;
if (columnSettings[column.dataKey]) {
delete columnSettings[this._sortedColumn.dataKey].sortDirection;
}
}
this._sortedColumn = column;
this._sortedColumn.sortDirection = sortDirection;
if (columnSettings[column.dataKey]) {
columnSettings[column.dataKey].sortDirection = this._sortedColumn.sortDirection;
}
}
await this._refreshPromise;
this.selection.selectEventsSuppressed = true;
await this.sort();
this.forceUpdate(() => {
this.selection.selectEventsSuppressed = false;
// Store column prefs as a final action because it freezes the UI momentarily
// and makes the column sorting look laggy
this._storeColumnPrefs(columnSettings);
});
}
_displayColumnPickerMenu = (event) => {
if (!this.props.columnPicker) return;
const ns = 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';
const prefix = 'zotero-column-picker-';
const doc = document;
const menupopup = doc.createElementNS(ns, 'menupopup');
menupopup.id = 'zotero-column-picker';
menupopup.addEventListener('popuphiding', (event) => {
if (event.target.id == menupopup.id) {
document.children[0].removeChild(menupopup);
}
});
const columns = this._getColumns();
for (let i = 0; i < columns.length; i++) {
const column = columns[i];
if (column.inMenu === false) continue;
let menuitem = doc.createElementNS(ns, 'menuitem');
menuitem.setAttribute('type', 'checkbox');
menuitem.setAttribute('label', Zotero.Intl.strings[column.label]);
menuitem.setAttribute('colindex', i);
menuitem.addEventListener('command', () => this.tree._columns.toggleHidden(i));
if (!column.hidden) {
menuitem.setAttribute('checked', true);
}
if (column.disabledIn && column.disabledIn.includes(this.collectionTreeRow.visibilityGroup)) {
menuitem.setAttribute('disabled', true);
}
menupopup.appendChild(menuitem);
}
try {
// More Columns menu
let id = prefix + 'more-menu';
let moreMenu = doc.createElementNS(ns, 'menu');
moreMenu.setAttribute('label', Zotero.getString('pane.items.columnChooser.moreColumns'));
moreMenu.setAttribute('anonid', id);
let moreMenuPopup = doc.createElementNS(ns, 'menupopup');
moreMenuPopup.setAttribute('anonid', id + '-popup');
let moreItems = [];
for (let i = 0; i < columns.length; i++) {
const column = columns[i];
if (column.submenu) {
moreItems.push(menupopup.children[i]);
}
}
// Sort fields and move to submenu
var collation = Zotero.getLocaleCollation();
moreItems.sort(function (a, b) {
return collation.compareString(1, a.getAttribute('label'), b.getAttribute('label'));
});
moreItems.forEach(function (elem) {
moreMenuPopup.appendChild(menupopup.removeChild(elem));
});
let sep = doc.createElementNS(ns, 'menuseparator');
menupopup.appendChild(sep);
moreMenu.appendChild(moreMenuPopup);
menupopup.appendChild(moreMenu);
}
catch (e) {
Cu.reportError(e);
Zotero.debug(e, 1);
}
//
// Secondary Sort menu
//
if (!this.collectionTreeRow.isFeed()) {
try {
const id = prefix + 'sort-menu';
const primaryField = this._getSortField();
const sortFields = this._getSortFields();
let secondaryField = false;
if (sortFields[1]) {
secondaryField = sortFields[1];
}
const primaryFieldLabel = Zotero.Intl.strings[columns.find(c => c.dataKey == primaryField).label];
const sortMenu = doc.createElementNS(ns, 'menu');
sortMenu.setAttribute('label',
Zotero.getString('pane.items.columnChooser.secondarySort', primaryFieldLabel));
sortMenu.setAttribute('anonid', id);
const sortMenuPopup = doc.createElementNS(ns, 'menupopup');
sortMenuPopup.setAttribute('anonid', id + '-popup');
// Generate menuitems
const sortOptions = [
'title',
'firstCreator',
'itemType',
'date',
'year',
'publisher',
'publicationTitle',
'dateAdded',
'dateModified'
];
for (let field of sortOptions) {
// Hide current primary field, and don't show Year for Date, since it would be a no-op
if (field == primaryField || (primaryField == 'date' && field == 'year')) {
continue;
}
let label = Zotero.Intl.strings[columns.find(c => c.dataKey == field).label];
let sortMenuItem = doc.createElementNS(ns, 'menuitem');
sortMenuItem.setAttribute('fieldName', field);
sortMenuItem.setAttribute('label', label);
sortMenuItem.setAttribute('type', 'checkbox');
if (field == secondaryField) {
sortMenuItem.setAttribute('checked', 'true');
}
sortMenuItem.addEventListener('command', async () => {
if (this._setSecondarySortField(field)) {
await this.sort();
}
})
sortMenuPopup.appendChild(sortMenuItem);
}
sortMenu.appendChild(sortMenuPopup);
menupopup.appendChild(sortMenu);
}
catch (e) {
Cu.reportError(e);
Zotero.debug(e, 1);
}
}
let sep = doc.createElementNS(ns, 'menuseparator');
// sep.setAttribute('anonid', prefix + 'sep');
menupopup.appendChild(sep);
//
// Restore Default Column Order
//
let menuitem = doc.createElementNS(ns, 'menuitem');
menuitem.setAttribute('label', Zotero.Intl.strings['zotero.items.restoreColumnOrder.label']);
menuitem.setAttribute('anonid', prefix + 'restore-order');
menuitem.addEventListener('command', () => this.tree._columns.restoreDefaultOrder());
menupopup.appendChild(menuitem);
document.children[0].appendChild(menupopup);
menupopup.openPopup(null, null, event.clientX + 2, event.clientY + 2);
}
_getSortDirection(sortFields) {
if (this.collectionTreeRow.isFeed()) {
return Zotero.Prefs.get('feeds.sortAscending') ? 1 : -1;
}
const columns = this._getColumns();
for (const field of sortFields) {
const col = columns.find(c => c.dataKey == field);
if (col) {
return col.sortDirection;
}
}
return 1;
}
_getSortField() {
if (this.collectionTreeRow.isFeed()) {
return 'id';
}
var column = this._sortedColumn;
if (!column) {
column = this._getColumns().find(col => !col.hidden);
}
// zotero-items-column-_________
return column.dataKey;
}
_getSortFields() {
var fields = [this._getSortField()];
var secondaryField = this._getSecondarySortField();
if (secondaryField) {
fields.push(secondaryField);
}
try {
var fallbackFields = Zotero.Prefs.get('fallbackSort')
.split(',')
.map((x) => x.trim())
.filter((x) => x !== '');
}
catch (e) {
Zotero.debug(e, 1);
Cu.reportError(e);
// This should match the default value for the fallbackSort pref
var fallbackFields = ['firstCreator', 'date', 'title', 'dateAdded'];
}
fields = Zotero.Utilities.arrayUnique(fields.concat(fallbackFields));
// If date appears after year, remove it, unless it's the explicit secondary sort
var yearPos = fields.indexOf('year');
if (yearPos != -1) {
let datePos = fields.indexOf('date');
if (datePos > yearPos && secondaryField != 'date') {
fields.splice(datePos, 1);
}
}
return fields;
}
_getSecondarySortField() {
var primaryField = this._getSortField();
var secondaryField = Zotero.Prefs.get('secondarySort.' + primaryField);
if (!secondaryField || secondaryField == primaryField) {
return false;
}
return secondaryField;
}
_setSecondarySortField(secondaryField) {
var primaryField = this._getSortField();
var currentSecondaryField = this._getSecondarySortField();
var sortFields = this._getSortFields();
if (primaryField == secondaryField) {
return false;
}
if (currentSecondaryField) {
// If same as the current explicit secondary sort, ignore
if (currentSecondaryField == secondaryField) {
return false;
}
// If not, but same as first implicit sort, remove current explicit sort
if (sortFields[2] && sortFields[2] == secondaryField) {
Zotero.Prefs.clear('secondarySort.' + primaryField);
return true;
}
}
// If same as current implicit secondary sort, ignore
else if (sortFields[1] && sortFields[1] == secondaryField) {
return false;
}
Zotero.Prefs.set('secondarySort.' + primaryField, secondaryField);
return true;
}
_getIcon(index) {
var item = this.getRow(index).ref;
var itemType = Zotero.ItemTypes.getName(item.itemTypeID);
if (itemType == 'attachment') {
var linkMode = item.attachmentLinkMode;
if (item.attachmentContentType == 'application/pdf' && item.isFileAttachment()) {
if (linkMode == Zotero.Attachments.LINK_MODE_LINKED_FILE) {
itemType += 'PdfLink';
}
else {
itemType += 'Pdf';
}
}
else if (linkMode == Zotero.Attachments.LINK_MODE_IMPORTED_FILE) {
itemType += "File";
}
else if (linkMode == Zotero.Attachments.LINK_MODE_LINKED_FILE) {
itemType += "Link";
}
else if (linkMode == Zotero.Attachments.LINK_MODE_IMPORTED_URL) {
itemType += "Snapshot";
}
else if (linkMode == Zotero.Attachments.LINK_MODE_LINKED_URL) {
itemType += "WebLink";
}
}
let iconClsName = "IconTreeitem" + Zotero.Utilities.capitalize(itemType);
if (!Icons[iconClsName]) {
iconClsName = "IconTreeitem";
}
var icon = getDOMElement(iconClsName);
if (!icon) {
Zotero.debug('Could not find tree icon for "' + itemType + '"');
return document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
}
return icon;
}
_getTagSwatch(color) {
let span = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
span.className = 'tag-swatch';
span.style.backgroundColor = color;
return span;
}
};
var ItemTreeRow = function(ref, level, isOpen)
{
this.ref = ref; //the item associated with this
this.level = level;
this.isOpen = isOpen;
this.id = ref.id;
}
ItemTreeRow.prototype.getField = function(field, unformatted)
{
return this.ref.getField(field, unformatted, true);
}
ItemTreeRow.prototype.numNotes = function() {
if (this.ref.isNote()) {
return 0;
}
if (this.ref.isAttachment()) {
return this.ref.note !== '' ? 1 : 0;
}
return this.ref.numNotes(false, true) || 0;
}
Zotero.Utilities.Internal.makeClassEventDispatcher(ItemTree);
module.exports = ItemTree;