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Bug 305667. Selection often lost in richlistbox. r=mconnor

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git-svn-id: svn://10.0.0.236/trunk@179305 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
aaronleventhal%moonset.net 2005-08-30 15:45:39 +00:00
parent d00f71901e
commit f6747be64e
1 changed files with 25 additions and 1 deletions
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26
mozilla/toolkit/content/widgets/richlistbox.xml
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@ -323,7 +323,31 @@
<![CDATA[
var listBox = this.control;
if (!listBox.selectedItem)
listBox.goDown(); // Ensure viable initial focus position
listBox.goDown(); // Fix up initial focus as items are created
else if (!listBox.selectedItem.parentNode) {
// The currently selected item has been removed.
// Select the same numbered child in the current list.
// The selectedIndex setter will just null out the current selection
// if we pass it an out-of-range index.
var focusAncestor = document.commandDispatcher.focusedElement;
while (true) {
if (!focusAncestor) {
// The focus has been orphaned
listBox.focus();
break;
}
if (focusAncestor instanceof Components.interfaces.nsIDOMDocument) {
break; // focus has not been orphaned
}
focusAncestor = focusAncestor.parentNode;
}
var index = listBox.selectedIndex;
var numItems = this.control.getRowCount();
if (index >= numItems) {
index = numItems - 1;
}
listBox.selectedIndex = index;
}
]]>
</constructor>