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/*
* CTOCWidget.js
* $Revision: 1.3 $ $Date: 2003/07/14 06:02:50 $
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 Netscape code.
*
* The Initial Developer of the Original Code is
* Netscape Corporation.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Bob Clary <bclary@netscape.com>
*
* ***** END LICENSE BLOCK ***** */
function CTOCWidget(domTOCModel, target)
{
if (domTOCModel.documentElement.nodeName != 'toc')
{
throw 'CTOCWidget called on non toc Document: ' + domTOCModel.nodeName;
}
this.model = domTOCModel;
this.target = target;
this.view = document.createElement('div');
this.view.setAttribute('class', CTOCWidget._classprefix + '_view');
var modelItems = domTOCModel.documentElement.childNodes;
for (var i = 0; i < modelItems.length; i++)
{
var modelItem = modelItems.item(i);
if (modelItem.nodeType == Node.ELEMENT_NODE)
{
var viewItem = CTOCWidget.createItemView(modelItem, target);
this.view.appendChild(viewItem);
}
}
}
CTOCWidget._handleImages = { open: '/toolbox/examples/2003/CTOCWidget/minus.gif', closed: '/toolbox/examples/2003/CTOCWidget/plus.gif', height: '12px', width: '16px'};
CTOCWidget._classprefix = 'CTOCWidget';
CTOCWidget.createItemView = function (modelItem, target)
{
if (modelItem.nodeType != Node.ELEMENT_NODE)
{
throw 'CTOCWidget.createItemView called on non-Element: ' + modelItem.nodeName;
}
var i;
var viewItem = document.createElement('div');
viewItem.setAttribute('class', CTOCWidget._classprefix + '_item');
var viewItemHandle = document.createElement('div');
viewItemHandle.setAttribute('class', CTOCWidget._classprefix + '_itemhandle');
viewItemHandle.style.cursor = 'pointer';
var viewItemHandleImg = document.createElement('img');
viewItemHandleImg.style.height = CTOCWidget._handleImages.height;
viewItemHandleImg.style.width = CTOCWidget._handleImages.width;
viewItemHandleImg.addEventListener('click', CTOCWidget.toggleHandle, false);
var viewItemHandleLink;
if (!modelItem.getAttribute('url'))
{
viewItemHandleLink = document.createElement('span');
}
else
{
viewItemHandleLink = document.createElement('a');
viewItemHandleLink.setAttribute('href', modelItem.getAttribute('url'));
viewItemHandleLink.setAttribute('target', target);
}
viewItemHandleLink.appendChild(document.createTextNode(modelItem.getAttribute('title')));
viewItemHandle.appendChild(viewItemHandleImg);
viewItemHandle.appendChild(viewItemHandleLink);
viewItem.appendChild(viewItemHandle);
if (modelItem.childNodes.length == 0)
{
viewItemHandleImg.setAttribute('src', CTOCWidget._handleImages.open);
}
else
{
viewItemHandleImg.setAttribute('src', CTOCWidget._handleImages.closed);
var viewItemChildren = document.createElement('div');
viewItemChildren.setAttribute('class', CTOCWidget._classprefix + '_itemchildren');
viewItemChildren.style.display = 'none';
viewItemChildren.style.position = 'relative';
viewItemChildren.style.left = '1em';
for (i = 0; i < modelItem.childNodes.length; i++)
{
var modelItemChild = modelItem.childNodes.item(i);
if (modelItemChild.nodeType == Node.ELEMENT_NODE)
{
viewItemChildren.appendChild(CTOCWidget.createItemView(modelItemChild, target));
}
}
viewItem.appendChild(viewItemChildren);
}
return viewItem;
};
// fires on img part of the handle
CTOCWidget.toggleHandle = function(e)
{
switch (e.eventPhase)
{
case Event.CAPTURING_PHASE:
case Event.BUBBLING_PHASE:
return true;
case Event.AT_TARGET:
e.preventBubble();
var domHandle = e.target.parentNode;
var domChildren = domHandle.nextSibling;
if (!domChildren)
{
return true;
}
switch(domChildren.style.display)
{
case '':
case 'block':
domChildren.style.display = 'none';
e.target.setAttribute('src', CTOCWidget._handleImages.closed);
break;
case 'none':
domChildren.style.display = 'block';
e.target.setAttribute('src', CTOCWidget._handleImages.open);
break;
default:
return false;
}
return true;
default:
dump('Unknown Event Phase ' + e.eventPhase);
break;
}
return true;
}
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