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Hopefully fix intermittently broken items pane

Browse source 
https://forums.zotero.org/discussion/69226/papers-become-invisible-in-the-middle-pane

I can't reproduce this, but it seems like if the tree disappears (due to
a collection change?) while the tree is refreshing, the toggleSelect()
in the rememberSelection() call can fail and break the tree.
This commit is contained in:
Dan Stillman 2017-12-18 02:55:24 -05:00
parent fa33eb72b2
commit 7cd1439928
1 changed files with 30 additions and 20 deletions
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14
chrome/content/zotero/xpcom/itemTreeView.js
View file

@ -2103,8 +2103,13 @@ Zotero.ItemTreeView.prototype.rememberSelection = function (selection) {
var unsuppress = this.selection.selectEventsSuppressed = true;
this._treebox.beginUpdateBatch();
}
for(var i=0; i < selection.length; i++)
{
// Use try/catch to work around 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
try {
for (let i = 0; i < selection.length; i++) {
if (this._rowMap[selection[i]] != null) {
this.selection.toggleSelect(this._rowMap[selection[i]]);
}
@ -2127,6 +2132,11 @@ Zotero.ItemTreeView.prototype.rememberSelection = function (selection) {
}
}
}
}
catch (e) {
Zotero.logError(e);
}
if (unsuppress) {
this._treebox.endUpdateBatch();
this.selection.selectEventsSuppressed = false;