2010-11-15 07:39:52 +00:00
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/*
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2011-11-08 16:40:44 +00:00
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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2010-11-15 07:39:52 +00:00
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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2011-11-08 16:40:44 +00:00
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if(!dojo._hasResource["dijit._editor.plugins.AlwaysShowToolbar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._editor.plugins.AlwaysShowToolbar"] = true;
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2010-11-15 07:39:52 +00:00
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dojo.provide("dijit._editor.plugins.AlwaysShowToolbar");
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2011-11-08 16:40:44 +00:00
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dojo.require("dijit._editor._Plugin");
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dojo.declare("dijit._editor.plugins.AlwaysShowToolbar", dijit._editor._Plugin,
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{
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// summary:
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// This plugin is required for Editors in auto-expand mode.
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// It handles the auto-expansion as the user adds/deletes text,
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// and keeps the editor's toolbar visible even when the top of the editor
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// has scrolled off the top of the viewport (usually when editing a long
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// document).
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// description:
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// Specify this in extraPlugins (or plugins) parameter and also set
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// height to "".
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// example:
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// | <div dojoType="dijit.Editor" height=""
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// | extraPlugins="['dijit._editor.plugins.AlwaysShowToolbar']">
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// _handleScroll: Boolean
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// Enables/disables the handler for scroll events
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_handleScroll: true,
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setEditor: function(e){
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// Overrides _Plugin.setEditor().
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if(!e.iframe){
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console.log('Port AlwaysShowToolbar plugin to work with Editor without iframe');
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return;
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}
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this.editor = e;
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e.onLoadDeferred.addCallback(dojo.hitch(this, this.enable));
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},
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enable: function(d){
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// summary:
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// Enable plugin. Called when Editor has finished initializing.
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// tags:
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// private
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this._updateHeight();
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this.connect(window, 'onscroll', "globalOnScrollHandler");
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this.connect(this.editor, 'onNormalizedDisplayChanged', "_updateHeight");
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return d;
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},
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_updateHeight: function(){
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// summary:
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// Updates the height of the editor area to fit the contents.
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var e = this.editor;
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if(!e.isLoaded){ return; }
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if(e.height){ return; }
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var height = dojo._getMarginSize(e.editNode).h;
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if(dojo.isOpera){
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height = e.editNode.scrollHeight;
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}
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// console.debug('height',height);
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// alert(this.editNode);
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//height maybe zero in some cases even though the content is not empty,
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//we try the height of body instead
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if(!height){
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height = dojo._getMarginSize(e.document.body).h;
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}
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if(height == 0){
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console.debug("Can not figure out the height of the editing area!");
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return; //prevent setting height to 0
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}
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if(dojo.isIE <= 7 && this.editor.minHeight){
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var min = parseInt(this.editor.minHeight);
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if(height < min){ height = min; }
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}
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if(height != this._lastHeight){
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this._lastHeight = height;
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// this.editorObject.style.height = this._lastHeight + "px";
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dojo.marginBox(e.iframe, { h: this._lastHeight });
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}
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},
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// _lastHeight: Integer
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// Height in px of the editor at the last time we did sizing
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_lastHeight: 0,
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globalOnScrollHandler: function(){
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// summary:
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// Handler for scroll events that bubbled up to <html>
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// tags:
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// private
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var isIE6 = dojo.isIE < 7;
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if(!this._handleScroll){ return; }
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var tdn = this.editor.header;
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var db = dojo.body;
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if(!this._scrollSetUp){
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this._scrollSetUp = true;
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this._scrollThreshold = dojo.position(tdn, true).y;
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// console.log("threshold:", this._scrollThreshold);
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//what's this for?? comment out for now
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// if((isIE6)&&(db)&&(dojo.style(db, "backgroundIimage")=="none")){
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// db.style.backgroundImage = "url(" + dojo.uri.moduleUri("dijit", "templates/blank.gif") + ")";
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// db.style.backgroundAttachment = "fixed";
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// }
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}
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var scrollPos = dojo._docScroll().y;
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var s = tdn.style;
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if(scrollPos > this._scrollThreshold && scrollPos < this._scrollThreshold+this._lastHeight){
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// dojo.debug(scrollPos);
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if(!this._fixEnabled){
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var tdnbox = dojo._getMarginSize(tdn);
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this.editor.iframe.style.marginTop = tdnbox.h+"px";
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if(isIE6){
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s.left = dojo.position(tdn).x;
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if(tdn.previousSibling){
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this._IEOriginalPos = ['after',tdn.previousSibling];
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}else if(tdn.nextSibling){
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this._IEOriginalPos = ['before',tdn.nextSibling];
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}else{
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this._IEOriginalPos = ['last',tdn.parentNode];
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}
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dojo.body().appendChild(tdn);
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dojo.addClass(tdn,'dijitIEFixedToolbar');
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}else{
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s.position = "fixed";
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s.top = "0px";
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}
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dojo.marginBox(tdn, { w: tdnbox.w });
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s.zIndex = 2000;
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this._fixEnabled = true;
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}
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// if we're showing the floating toolbar, make sure that if
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// we've scrolled past the bottom of the editor that we hide
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// the toolbar for this instance of the editor.
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// TODO: when we get multiple editor toolbar support working
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// correctly, ensure that we check this against the scroll
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// position of the bottom-most editor instance.
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var eHeight = (this.height) ? parseInt(this.editor.height) : this.editor._lastHeight;
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s.display = (scrollPos > this._scrollThreshold+eHeight) ? "none" : "";
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}else if(this._fixEnabled){
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this.editor.iframe.style.marginTop = '';
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s.position = "";
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s.top = "";
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s.zIndex = "";
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s.display = "";
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if(isIE6){
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s.left = "";
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dojo.removeClass(tdn,'dijitIEFixedToolbar');
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if(this._IEOriginalPos){
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dojo.place(tdn, this._IEOriginalPos[1], this._IEOriginalPos[0]);
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this._IEOriginalPos = null;
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}else{
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dojo.place(tdn, this.editor.iframe, 'before');
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}
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}
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s.width = "";
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this._fixEnabled = false;
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}
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},
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destroy: function(){
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// Overrides _Plugin.destroy(). TODO: call this.inherited() rather than repeating code.
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this._IEOriginalPos = null;
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this._handleScroll = false;
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dojo.forEach(this._connects, dojo.disconnect);
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// clearInterval(this.scrollInterval);
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if(dojo.isIE < 7){
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dojo.removeClass(this.editor.header, 'dijitIEFixedToolbar');
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}
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}
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});
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2010-11-15 07:39:52 +00:00
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}
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