From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: 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
---
 includes/js/dojox/fx/Shadow.js | 151 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 includes/js/dojox/fx/Shadow.js

(limited to 'includes/js/dojox/fx/Shadow.js')

diff --git a/includes/js/dojox/fx/Shadow.js b/includes/js/dojox/fx/Shadow.js
new file mode 100644
index 0000000..7ed4c55
--- /dev/null
+++ b/includes/js/dojox/fx/Shadow.js
@@ -0,0 +1,151 @@
+if(!dojo._hasResource["dojox.fx.Shadow"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.fx.Shadow"] = true;
+dojo.provide("dojox.fx.Shadow");
+dojo.experimental("dojox.fx.Shadow"); 
+
+dojo.require("dijit._Widget"); 
+dojo.require("dojo.NodeList-fx"); 
+
+dojo.declare("dojox.fx.Shadow",
+	dijit._Widget,{
+	// summary: Adds a drop-shadow to a node.
+	// 
+	// example:
+	// |	// add drop shadows to all nodes with class="hasShadow"
+	// |	dojo.query(".hasShadow").forEach(function(n){
+	// |		var foo = new dojox.fx.Shadow({ node: n });
+	// |		foo.startup();
+	// |	});
+	//
+	// shadowPng: String
+	// 	Base location for drop-shadow images
+	shadowPng: dojo.moduleUrl("dojox.fx", "resources/shadow"),
+
+	// shadowThickness: Integer
+	// 	How wide (in px) to make the shadow
+	shadowThickness: 7,
+
+	// shadowOffset: Integer
+	//	How deep to make the shadow appear to be
+	shadowOffset: 3,
+
+	// opacity: Float
+	//	Overall opacity of the shadow
+	opacity: 0.75,
+
+	// animate: Boolean	
+	// 	A toggle to disable animated transitions
+	animate: false,
+
+	// node: DomNode
+	// 	The node we will be applying this shadow to
+	node: null,
+
+	startup: function(){
+		// summary: Initializes the shadow.
+
+		this.inherited(arguments);
+		this.node.style.position = "relative";
+		// make all the pieces of the shadow, and position/size them as much
+		// as possible (but a lot of the coordinates are set in sizeShadow
+		this.pieces={};
+		var x1 = -1 * this.shadowThickness;
+		var y0 = this.shadowOffset;
+		var y1 = this.shadowOffset + this.shadowThickness;
+		this._makePiece("tl", "top", y0, "left", x1);
+		this._makePiece("l", "top", y1, "left", x1, "scale");
+		this._makePiece("tr", "top", y0, "left", 0);
+		this._makePiece("r", "top", y1, "left", 0, "scale");
+		this._makePiece("bl", "top", 0, "left", x1);
+		this._makePiece("b", "top", 0, "left", 0, "crop");
+		this._makePiece("br", "top", 0, "left", 0);
+
+		this.nodeList = dojo.query(".shadowPiece",this.node);
+
+		this.setOpacity(this.opacity);
+		this.resize();
+	},
+
+	_makePiece: function(name, vertAttach, vertCoord, horzAttach, horzCoord, sizing){
+		// summary: append a shadow pieces to the node, and position it
+		var img;
+		var url = this.shadowPng + name.toUpperCase() + ".png";
+		if((dojo.isIE)&&(dojo.isIE<7)){
+			img=document.createElement("div");
+			img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+url+"'"+
+				(sizing?", sizingMethod='"+sizing+"'":"") + ")";
+		}else{
+			img=document.createElement("img");
+			img.src=url;
+		}
+
+		img.style.position="absolute"; 
+		img.style[vertAttach]=vertCoord+"px";
+		img.style[horzAttach]=horzCoord+"px";
+		img.style.width=this.shadowThickness+"px";
+		img.style.height=this.shadowThickness+"px";
+		dojo.addClass(img,"shadowPiece"); 
+		this.pieces[name]=img;
+		this.node.appendChild(img);
+
+	},
+
+	setOpacity: function(/* Float */n,/* Object? */animArgs){
+		// summary: set the opacity of the underlay
+		// note: does not work in IE? FIXME.
+		if(dojo.isIE){ return; } 
+		if(!animArgs){ animArgs = {}; } 
+		if(this.animate){
+			var _anims = [];
+			this.nodeList.forEach(function(node){
+				_anims.push(dojo._fade(dojo.mixin(animArgs,{ node: node, end: n })));
+			});
+			dojo.fx.combine(_anims).play();
+		}else{
+			this.nodeList.style("opacity",n);
+		}	
+
+	},
+
+	setDisabled: function(/* Boolean */disabled){
+		// summary: enable / disable the shadow
+		if(disabled){
+			if(this.disabled){ return; }
+			if(this.animate){ this.nodeList.fadeOut().play(); 
+			}else{ this.nodeList.style("visibility","hidden"); }
+			this.disabled = true;
+		}else{
+			if(!this.disabled){ return; }
+			if(this.animate){ this.nodeList.fadeIn().play(); 
+			}else{ this.nodeList.style("visibility","visible"); }
+			this.disabled = false;
+		}
+	},
+
+	resize: function(/* dojox.fx._arg.ShadowResizeArgs */args){
+		// summary: Resizes the shadow based on width and height.
+		var x; var y;
+		if(args){ x = args.x; y = args.y;
+		}else{
+			var co = dojo._getBorderBox(this.node); 
+			x = co.w; y = co.h; 
+		}
+		var sideHeight = y - (this.shadowOffset+this.shadowThickness);
+		if (sideHeight < 0) { sideHeight = 0; }
+		if (y < 1) { y = 1; }
+		if (x < 1) { x = 1; }
+		with(this.pieces){
+			l.style.height = sideHeight+"px";
+			r.style.height = sideHeight+"px";
+			b.style.width = x+"px";
+			bl.style.top = y+"px";
+			b.style.top = y+"px";
+			br.style.top = y+"px";
+			tr.style.left = x+"px";
+			r.style.left = x+"px";
+			br.style.left = x+"px";
+		}
+	}
+});
+
+}
-- 
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