8398c9048d
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
146 lines
4.2 KiB
JavaScript
146 lines
4.2 KiB
JavaScript
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 < 7){
|
|
img = dojo.create("div");
|
|
img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+url+"'"+
|
|
(sizing?", sizingMethod='"+sizing+"'":"") + ")";
|
|
}else{
|
|
img = dojo.create("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";
|
|
}
|
|
}
|
|
});
|