flymis/WebRoot/dojojs/src/widget/Editor2Plugin/AlwaysShowToolbar.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.widget.Editor2Plugin.AlwaysShowToolbar");

//dojo.widget.Editor2Manager.registerPerInstancePlugin("dojo.widget.Editor2Plugin.AlwaysShowToolbar");

dojo.event.topic.subscribe("dojo.widget.Editor2::onLoad", function(editor){
	if(editor.toolbarAlwaysVisible){
		var p = new dojo.widget.Editor2Plugin.AlwaysShowToolbar(editor);
	}
});
dojo.declare("dojo.widget.Editor2Plugin.AlwaysShowToolbar", null,
	function(editor){
		this.editor = editor;
		this.editor.registerLoadedPlugin(this);
		this.setup();
	},
	{
	_scrollSetUp: false,
	_fixEnabled: false,
	_scrollThreshold: false,
	_handleScroll: true,

	setup: function(){
		var tdn = this.editor.toolbarWidget;
		if(!tdn.tbBgIframe){
			tdn.tbBgIframe = new dojo.html.BackgroundIframe(tdn.domNode);
			tdn.tbBgIframe.onResized();
		}
		this.scrollInterval = setInterval(dojo.lang.hitch(this, "globalOnScrollHandler"), 100);

		dojo.event.connect("before", this.editor.toolbarWidget, "destroy", this, "destroy");
	},

	globalOnScrollHandler: function(){
		var isIE = dojo.render.html.ie;
		if(!this._handleScroll){ return; }
		var dh = dojo.html;
		var tdn = this.editor.toolbarWidget.domNode;
		var db = dojo.body();

		if(!this._scrollSetUp){
			this._scrollSetUp = true;
			var editorWidth =  dh.getMarginBox(this.editor.domNode).width; 
			this._scrollThreshold = dh.abs(tdn, true).y;
			// dojo.debug("threshold:", this._scrollThreshold);
			if((isIE)&&(db)&&(dh.getStyle(db, "background-image")=="none")){
				with(db.style){
					backgroundImage = "url(" + dojo.uri.dojoUri("src/widget/templates/images/blank.gif") + ")";
					backgroundAttachment = "fixed";
				}
			}