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Fix "Invalid integer value 'null'" error when dragging a regular item and a top-level attachment between libraries, which shouldn't have been allowed

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This commit is contained in:
Dan Stillman 2009-08-08 13:21:02 +00:00
parent b3d5136c34
commit 9c0ad65172
1 changed files with 17 additions and 11 deletions
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28
chrome/content/zotero/xpcom/collectionTreeView.js
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@ -995,10 +995,11 @@ Zotero.CollectionTreeView.prototype.canDrop = function(row, orient, dragData)
if (dataType == 'zotero/item') {
var ids = data;
var items = Zotero.Items.get(ids);
var skip = true;
for each(var item in items) {
// Can only drag top-level items
if (!(item.isRegularItem() || !item.getSource())) {
continue;
if (!item.isTopLevelItem()) {
return false
}
// TODO: for now, only allow regular items to be dragged to groups
@ -1009,36 +1010,41 @@ Zotero.CollectionTreeView.prototype.canDrop = function(row, orient, dragData)
// TODO: for now, skip items that are already linked
if (itemGroup.isWithinGroup() && itemGroup.ref.libraryID != item.libraryID) {
if (item.getLinkedItem(itemGroup.ref.libraryID)) {
continue;
if (!item.getLinkedItem(itemGroup.ref.libraryID)) {
skip = false;
}
continue;
}
if (itemGroup.isGroup()) {
// Don't allow drag onto library of same group
if (itemGroup.ref.libraryID == item.libraryID) {
continue;
return false;
}
return true;
continue;
}
// Allow drag of group items to library
if (item.libraryID && (itemGroup.isLibrary()
|| itemGroup.isCollection() && !itemGroup.isWithinGroup())) {
// TODO: for now, skip items that are already linked
if (item.getLinkedItem()) {
continue;
if (!item.getLinkedItem()) {
skip = false;
}
return true;
continue;
}
// Make sure there's at least one item that's not already
// in this collection
if (itemGroup.isCollection() && !itemGroup.ref.hasItem(item.id)) {
return true;
skip = false;
continue;
}
}
return false;
if (skip) {
return false;
}
return true;
}
else if (dataType == 'zotero/item-xml') {
var xml = new XML(data.data);