New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 140 insertions, 0 deletions

diff --git a/includes/js/dijit/_editor/plugins/AlwaysShowToolbar.js b/includes/js/dijit/_editor/plugins/AlwaysShowToolbar.js
new file mode 100644
index 0000000..9879e88
--- /dev/null
+++ b/includes/js/dijit/_editor/plugins/AlwaysShowToolbar.js
@@ -0,0 +1,140 @@
+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.declare("dijit._editor.plugins.AlwaysShowToolbar", dijit._editor._Plugin,
+	{
+	_handleScroll: true,
+	setEditor: function(e){
+		this.editor = e;
+//		setTimeout(dojo.hitch(this,this.enable), 10000);
+		e.onLoadDeferred.addCallback(dojo.hitch(this, this.enable));
+//		this.scrollInterval = setInterval(dojo.hitch(this, "globalOnScrollHandler"), 100);
+	},
+	enable: function(d){
+		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.marginBox(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.marginBox(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(height != this._lastHeight){
+			this._lastHeight = height;
+			// this.editorObject.style.height = this._lastHeight + "px";
+			dojo.marginBox(e.iframe, { h: this._lastHeight });
+//			this.iframe.height=this._lastHeight+10+'px';
+//			this.iframe.style.height=this._lastHeight+'px';
+		}
+	},
+	_lastHeight: 0,
+	globalOnScrollHandler: function(){
+		var isIE = dojo.isIE && dojo.isIE<7;
+		if(!this._handleScroll){ return; }
+		var tdn = this.editor.toolbar.domNode;
+		var db = dojo.body;
+
+		if(!this._scrollSetUp){
+			this._scrollSetUp = true;
+			this._scrollThreshold = dojo._abs(tdn, true).y;
+//			console.log("threshold:", this._scrollThreshold);
+			//what's this for?? comment out for now
+//			if((isIE)&&(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.marginBox(tdn);
+				this.editor.iframe.style.marginTop = tdnbox.h+"px";
+
+				if(isIE){
+					s.left = dojo._abs(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(isIE){
+				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(){
+		this._IEOriginalPos = null;
+		this._handleScroll = false;
+		dojo.forEach(this._connects, dojo.disconnect);
+//		clearInterval(this.scrollInterval);
+
+		if(dojo.isIE && dojo.isIE<7){
+			dojo.removeClass(this.editor.toolbar.domNode, 'dijitIEFixedToolbar');
+		}
+	}
+});
+
+}