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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Keyword Chooser.
*
* The Initial Developer of the Original Code is America Online, Inc.
* Portions created by the Initial Developer are Copyright (C) 2004
* Mozilla Foundation. All Rights Reserved.
*
* Contributor(s):
* Christopher A. Aillon <christopher@aillon.com> (Original Author)
*
* ***** END LICENSE BLOCK ***** */
function KeywordChooser(aParent, aChooser, aAvail, aChosen, aValidKeywords)
{
// Initialization
this._parent = aParent;
this._chooser = aChooser;
this._available = aAvail;
this._chosen = aChosen;
this._validKeywords = aValidKeywords;
this.setInitialStyles();
// Register us, our properties, and our events
this._parent.chooser = this;
this._chooser.chooserElement = this._parent;
}
KeywordChooser.prototype =
{
// chooses the selected items
choose: function()
{
this._swapSelected(this._available, this._chosen);
},
unchoose: function()
{
this._swapSelected(this._chosen, this._available);
},
positionChooser: function()
{
if (this._positioned) return;
bz_overlayBelow(this._chooser, this._parent);
this._positioned = true;
},
setInitialStyles: function()
{
this._chooser.style.display = "none";
this._chooser.style.position = "absolute";
this._positioned = false;
},
open: function()
{
this._chooser.style.display = "";
this._available.style.display = "";
this._chosen.style.display = "";
this._parent.disabled = true;
this.positionChooser();
},
ok: function()
{
var len = this._chosen.options.length;
var text = "";
for (var i = 0; i < len; i++) {
text += this._chosen.options[i].text;
if (i != len - 1) {
text += ", ";
}
}
this._parent.value = text;
this._parent.title = text;
this.close();
},
cancel: function()
{
var chosentext = this._parent.value;
var chosenArray = new Array();
if (chosentext != ""){
chosenArray = chosentext.split(", ");
}
var availArray = new Array();
for (var i = 0; i < this._validKeywords.length; i++) {
if (!bz_isValueInArray(chosenArray, this._validKeywords[i])) {
availArray[availArray.length] = this._validKeywords[i];
}
}
bz_populateSelectFromArray(this._available, availArray, false, true);
bz_populateSelectFromArray(this._chosen, chosenArray, false, true);
this.close();
},
close: function()
{
this._chooser.style.display = "none";
this._parent.disabled = false;
},
_swapSelected: function(aSource, aTarget)
{
var kNothingSelected = -1;
while (aSource.selectedIndex != kNothingSelected) {
var option = aSource.options[aSource.selectedIndex];
aTarget.appendChild(option);
option.selected = false;
}
}
};
function InitializeKeywordChooser(aValidKeywords)
{
var keywords = document.getElementById("keywords");
var chooser = document.getElementById("keyword-chooser");
var avail = document.getElementById("keyword-list");
var chosen = document.getElementById("bug-keyword-list");
var chooserObj = new KeywordChooser(keywords, chooser, avail, chosen, aValidKeywords);
}
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