/* Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved. Available via Academic Free License >= 2.1 OR the modified BSD license. see: http://dojotoolkit.org/license for details */ if(!dojo._hasResource["dijit._editor.plugins.AlwaysShowToolbar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. dojo._hasResource["dijit._editor.plugins.AlwaysShowToolbar"] = true; dojo.provide("dijit._editor.plugins.AlwaysShowToolbar"); dojo.require("dijit._editor._Plugin"); dojo.declare("dijit._editor.plugins.AlwaysShowToolbar", dijit._editor._Plugin, { // summary: // This plugin is required for Editors in auto-expand mode. // It handles the auto-expansion as the user adds/deletes text, // and keeps the editor's toolbar visible even when the top of the editor // has scrolled off the top of the viewport (usually when editing a long // document). // description: // Specify this in extraPlugins (or plugins) parameter and also set // height to "". // example: // |

// _handleScroll: Boolean // Enables/disables the handler for scroll events _handleScroll: true, setEditor: function(e){ // Overrides _Plugin.setEditor(). if(!e.iframe){ console.log('Port AlwaysShowToolbar plugin to work with Editor without iframe'); return; } this.editor = e; e.onLoadDeferred.addCallback(dojo.hitch(this, this.enable)); }, enable: function(d){ // summary: // Enable plugin. Called when Editor has finished initializing. // tags: // private this._updateHeight(); this.connect(window, 'onscroll', "globalOnScrollHandler"); this.connect(this.editor, 'onNormalizedDisplayChanged', "_updateHeight"); return d; }, _updateHeight: function(){ // summary: // Updates the height of the editor area to fit the contents. var e = this.editor; if(!e.isLoaded){ return; } if(e.height){ return; } var height = dojo._getMarginSize(e.editNode).h; if(dojo.isOpera){ height = e.editNode.scrollHeight; } // console.debug('height',height); // alert(this.editNode); //height maybe zero in some cases even though the content is not empty, //we try the height of body instead if(!height){ height = dojo._getMarginSize(e.document.body).h; } if(height == 0){ console.debug("Can not figure out the height of the editing area!"); return; //prevent setting height to 0 } if(dojo.isIE <= 7 && this.editor.minHeight){ var min = parseInt(this.editor.minHeight); if(height < min){ height = min; } } if(height != this._lastHeight){ this._lastHeight = height; // this.editorObject.style.height = this._lastHeight + "px"; dojo.marginBox(e.iframe, { h: this._lastHeight }); } }, // _lastHeight: Integer // Height in px of the editor at the last time we did sizing _lastHeight: 0, globalOnScrollHandler: function(){ // summary: // Handler for scroll events that bubbled up to // tags: // private var isIE6 = dojo.isIE < 7; if(!this._handleScroll){ return; } var tdn = this.editor.header; var db = dojo.body; if(!this._scrollSetUp){ this._scrollSetUp = true; this._scrollThreshold = dojo.position(tdn, true).y; // console.log("threshold:", this._scrollThreshold); //what's this for?? comment out for now // if((isIE6)&&(db)&&(dojo.style(db, "backgroundIimage")=="none")){ // db.style.backgroundImage = "url(" + dojo.uri.moduleUri("dijit", "templates/blank.gif") + ")"; // db.style.backgroundAttachment = "fixed"; // } } var scrollPos = dojo._docScroll().y; var s = tdn.style; if(scrollPos > this._scrollThreshold && scrollPos < this._scrollThreshold+this._lastHeight){ // dojo.debug(scrollPos); if(!this._fixEnabled){ var tdnbox = dojo._getMarginSize(tdn); this.editor.iframe.style.marginTop = tdnbox.h+"px"; if(isIE6){ s.left = dojo.position(tdn).x; if(tdn.previousSibling){ this._IEOriginalPos = ['after',tdn.previousSibling]; }else if(tdn.nextSibling){ this._IEOriginalPos = ['before',tdn.nextSibling]; }else{ this._IEOriginalPos = ['last',tdn.parentNode]; } dojo.body().appendChild(tdn); dojo.addClass(tdn,'dijitIEFixedToolbar'); }else{ s.position = "fixed"; s.top = "0px"; } dojo.marginBox(tdn, { w: tdnbox.w }); s.zIndex = 2000; this._fixEnabled = true; } // if we're showing the floating toolbar, make sure that if // we've scrolled past the bottom of the editor that we hide // the toolbar for this instance of the editor. // TODO: when we get multiple editor toolbar support working // correctly, ensure that we check this against the scroll // position of the bottom-most editor instance. var eHeight = (this.height) ? parseInt(this.editor.height) : this.editor._lastHeight; s.display = (scrollPos > this._scrollThreshold+eHeight) ? "none" : ""; }else if(this._fixEnabled){ this.editor.iframe.style.marginTop = ''; s.position = ""; s.top = ""; s.zIndex = ""; s.display = ""; if(isIE6){ s.left = ""; dojo.removeClass(tdn,'dijitIEFixedToolbar'); if(this._IEOriginalPos){ dojo.place(tdn, this._IEOriginalPos[1], this._IEOriginalPos[0]); this._IEOriginalPos = null; }else{ dojo.place(tdn, this.editor.iframe, 'before'); } } s.width = ""; this._fixEnabled = false; } }, destroy: function(){ // Overrides _Plugin.destroy(). TODO: call this.inherited() rather than repeating code. this._IEOriginalPos = null; this._handleScroll = false; dojo.forEach(this._connects, dojo.disconnect); // clearInterval(this.scrollInterval); if(dojo.isIE < 7){ dojo.removeClass(this.editor.header, 'dijitIEFixedToolbar'); } } }); }