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405 lines
11 KiB
JavaScript
405 lines
11 KiB
JavaScript
/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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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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if(!dojo._hasResource["dojo.fx"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojo.fx"] = true;
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dojo.provide("dojo.fx");
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dojo.require("dojo.fx.Toggler"); // FIXME: remove this back-compat require in 2.0
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/*=====
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dojo.fx = {
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// summary: Effects library on top of Base animations
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};
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=====*/
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(function(){
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var d = dojo,
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_baseObj = {
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_fire: function(evt, args){
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if(this[evt]){
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this[evt].apply(this, args||[]);
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}
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return this;
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}
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};
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var _chain = function(animations){
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this._index = -1;
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this._animations = animations||[];
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this._current = this._onAnimateCtx = this._onEndCtx = null;
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this.duration = 0;
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d.forEach(this._animations, function(a){
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this.duration += a.duration;
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if(a.delay){ this.duration += a.delay; }
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}, this);
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};
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d.extend(_chain, {
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_onAnimate: function(){
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this._fire("onAnimate", arguments);
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},
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_onEnd: function(){
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d.disconnect(this._onAnimateCtx);
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d.disconnect(this._onEndCtx);
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this._onAnimateCtx = this._onEndCtx = null;
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if(this._index + 1 == this._animations.length){
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this._fire("onEnd");
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}else{
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// switch animations
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this._current = this._animations[++this._index];
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this._onAnimateCtx = d.connect(this._current, "onAnimate", this, "_onAnimate");
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this._onEndCtx = d.connect(this._current, "onEnd", this, "_onEnd");
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this._current.play(0, true);
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}
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},
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play: function(/*int?*/ delay, /*Boolean?*/ gotoStart){
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if(!this._current){ this._current = this._animations[this._index = 0]; }
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if(!gotoStart && this._current.status() == "playing"){ return this; }
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var beforeBegin = d.connect(this._current, "beforeBegin", this, function(){
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this._fire("beforeBegin");
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}),
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onBegin = d.connect(this._current, "onBegin", this, function(arg){
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this._fire("onBegin", arguments);
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}),
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onPlay = d.connect(this._current, "onPlay", this, function(arg){
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this._fire("onPlay", arguments);
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d.disconnect(beforeBegin);
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d.disconnect(onBegin);
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d.disconnect(onPlay);
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});
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if(this._onAnimateCtx){
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d.disconnect(this._onAnimateCtx);
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}
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this._onAnimateCtx = d.connect(this._current, "onAnimate", this, "_onAnimate");
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if(this._onEndCtx){
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d.disconnect(this._onEndCtx);
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}
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this._onEndCtx = d.connect(this._current, "onEnd", this, "_onEnd");
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this._current.play.apply(this._current, arguments);
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return this;
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},
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pause: function(){
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if(this._current){
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var e = d.connect(this._current, "onPause", this, function(arg){
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this._fire("onPause", arguments);
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d.disconnect(e);
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});
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this._current.pause();
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}
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return this;
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},
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gotoPercent: function(/*Decimal*/percent, /*Boolean?*/ andPlay){
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this.pause();
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var offset = this.duration * percent;
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this._current = null;
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d.some(this._animations, function(a){
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if(a.duration <= offset){
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this._current = a;
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return true;
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}
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offset -= a.duration;
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return false;
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});
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if(this._current){
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this._current.gotoPercent(offset / this._current.duration, andPlay);
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}
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return this;
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},
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stop: function(/*boolean?*/ gotoEnd){
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if(this._current){
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if(gotoEnd){
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for(; this._index + 1 < this._animations.length; ++this._index){
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this._animations[this._index].stop(true);
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}
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this._current = this._animations[this._index];
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}
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var e = d.connect(this._current, "onStop", this, function(arg){
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this._fire("onStop", arguments);
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d.disconnect(e);
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});
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this._current.stop();
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}
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return this;
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},
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status: function(){
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return this._current ? this._current.status() : "stopped";
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},
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destroy: function(){
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if(this._onAnimateCtx){ d.disconnect(this._onAnimateCtx); }
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if(this._onEndCtx){ d.disconnect(this._onEndCtx); }
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}
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});
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d.extend(_chain, _baseObj);
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dojo.fx.chain = function(/*dojo.Animation[]*/ animations){
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// summary:
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// Chain a list of `dojo.Animation`s to run in sequence
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//
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// description:
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// Return a `dojo.Animation` which will play all passed
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// `dojo.Animation` instances in sequence, firing its own
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// synthesized events simulating a single animation. (eg:
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// onEnd of this animation means the end of the chain,
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// not the individual animations within)
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//
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// example:
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// Once `node` is faded out, fade in `otherNode`
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// | dojo.fx.chain([
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// | dojo.fadeIn({ node:node }),
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// | dojo.fadeOut({ node:otherNode })
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// | ]).play();
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//
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return new _chain(animations) // dojo.Animation
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};
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var _combine = function(animations){
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this._animations = animations||[];
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this._connects = [];
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this._finished = 0;
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this.duration = 0;
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d.forEach(animations, function(a){
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var duration = a.duration;
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if(a.delay){ duration += a.delay; }
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if(this.duration < duration){ this.duration = duration; }
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this._connects.push(d.connect(a, "onEnd", this, "_onEnd"));
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}, this);
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this._pseudoAnimation = new d.Animation({curve: [0, 1], duration: this.duration});
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var self = this;
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d.forEach(["beforeBegin", "onBegin", "onPlay", "onAnimate", "onPause", "onStop", "onEnd"],
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function(evt){
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self._connects.push(d.connect(self._pseudoAnimation, evt,
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function(){ self._fire(evt, arguments); }
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));
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}
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);
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};
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d.extend(_combine, {
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_doAction: function(action, args){
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d.forEach(this._animations, function(a){
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a[action].apply(a, args);
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});
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return this;
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},
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_onEnd: function(){
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if(++this._finished > this._animations.length){
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this._fire("onEnd");
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}
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},
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_call: function(action, args){
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var t = this._pseudoAnimation;
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t[action].apply(t, args);
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},
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play: function(/*int?*/ delay, /*Boolean?*/ gotoStart){
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this._finished = 0;
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this._doAction("play", arguments);
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this._call("play", arguments);
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return this;
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},
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pause: function(){
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this._doAction("pause", arguments);
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this._call("pause", arguments);
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return this;
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},
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gotoPercent: function(/*Decimal*/percent, /*Boolean?*/ andPlay){
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var ms = this.duration * percent;
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d.forEach(this._animations, function(a){
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a.gotoPercent(a.duration < ms ? 1 : (ms / a.duration), andPlay);
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});
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this._call("gotoPercent", arguments);
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return this;
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},
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stop: function(/*boolean?*/ gotoEnd){
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this._doAction("stop", arguments);
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this._call("stop", arguments);
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return this;
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},
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status: function(){
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return this._pseudoAnimation.status();
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},
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destroy: function(){
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d.forEach(this._connects, dojo.disconnect);
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}
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});
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d.extend(_combine, _baseObj);
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dojo.fx.combine = function(/*dojo.Animation[]*/ animations){
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// summary:
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// Combine a list of `dojo.Animation`s to run in parallel
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//
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// description:
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// Combine an array of `dojo.Animation`s to run in parallel,
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// providing a new `dojo.Animation` instance encompasing each
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// animation, firing standard animation events.
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//
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// example:
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// Fade out `node` while fading in `otherNode` simultaneously
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// | dojo.fx.combine([
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// | dojo.fadeIn({ node:node }),
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// | dojo.fadeOut({ node:otherNode })
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// | ]).play();
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//
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// example:
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// When the longest animation ends, execute a function:
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// | var anim = dojo.fx.combine([
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// | dojo.fadeIn({ node: n, duration:700 }),
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// | dojo.fadeOut({ node: otherNode, duration: 300 })
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// | ]);
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// | dojo.connect(anim, "onEnd", function(){
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// | // overall animation is done.
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// | });
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// | anim.play(); // play the animation
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//
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return new _combine(animations); // dojo.Animation
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};
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dojo.fx.wipeIn = function(/*Object*/ args){
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// summary:
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// Expand a node to it's natural height.
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//
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// description:
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// Returns an animation that will expand the
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// node defined in 'args' object from it's current height to
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// it's natural height (with no scrollbar).
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// Node must have no margin/border/padding.
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//
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// args: Object
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// A hash-map of standard `dojo.Animation` constructor properties
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// (such as easing: node: duration: and so on)
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//
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// example:
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// | dojo.fx.wipeIn({
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// | node:"someId"
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// | }).play()
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var node = args.node = d.byId(args.node), s = node.style, o;
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var anim = d.animateProperty(d.mixin({
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properties: {
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height: {
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// wrapped in functions so we wait till the last second to query (in case value has changed)
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start: function(){
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// start at current [computed] height, but use 1px rather than 0
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// because 0 causes IE to display the whole panel
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o = s.overflow;
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s.overflow = "hidden";
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if(s.visibility == "hidden" || s.display == "none"){
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s.height = "1px";
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s.display = "";
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s.visibility = "";
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return 1;
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}else{
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var height = d.style(node, "height");
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return Math.max(height, 1);
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}
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},
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end: function(){
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return node.scrollHeight;
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}
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}
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}
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}, args));
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d.connect(anim, "onEnd", function(){
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s.height = "auto";
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s.overflow = o;
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});
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return anim; // dojo.Animation
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}
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dojo.fx.wipeOut = function(/*Object*/ args){
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// summary:
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// Shrink a node to nothing and hide it.
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//
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// description:
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// Returns an animation that will shrink node defined in "args"
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// from it's current height to 1px, and then hide it.
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//
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// args: Object
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// A hash-map of standard `dojo.Animation` constructor properties
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// (such as easing: node: duration: and so on)
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//
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// example:
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// | dojo.fx.wipeOut({ node:"someId" }).play()
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var node = args.node = d.byId(args.node), s = node.style, o;
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var anim = d.animateProperty(d.mixin({
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properties: {
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height: {
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end: 1 // 0 causes IE to display the whole panel
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}
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}
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}, args));
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d.connect(anim, "beforeBegin", function(){
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o = s.overflow;
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s.overflow = "hidden";
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s.display = "";
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});
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d.connect(anim, "onEnd", function(){
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s.overflow = o;
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s.height = "auto";
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s.display = "none";
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});
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return anim; // dojo.Animation
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}
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dojo.fx.slideTo = function(/*Object*/ args){
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// summary:
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// Slide a node to a new top/left position
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//
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// description:
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// Returns an animation that will slide "node"
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// defined in args Object from its current position to
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// the position defined by (args.left, args.top).
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//
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// args: Object
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// A hash-map of standard `dojo.Animation` constructor properties
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// (such as easing: node: duration: and so on). Special args members
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// are `top` and `left`, which indicate the new position to slide to.
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//
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// example:
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// | dojo.fx.slideTo({ node: node, left:"40", top:"50", units:"px" }).play()
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var node = args.node = d.byId(args.node),
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top = null, left = null;
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var init = (function(n){
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return function(){
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var cs = d.getComputedStyle(n);
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var pos = cs.position;
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top = (pos == 'absolute' ? n.offsetTop : parseInt(cs.top) || 0);
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left = (pos == 'absolute' ? n.offsetLeft : parseInt(cs.left) || 0);
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if(pos != 'absolute' && pos != 'relative'){
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var ret = d.position(n, true);
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top = ret.y;
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left = ret.x;
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n.style.position="absolute";
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n.style.top=top+"px";
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n.style.left=left+"px";
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}
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};
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})(node);
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init();
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var anim = d.animateProperty(d.mixin({
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properties: {
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top: args.top || 0,
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left: args.left || 0
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}
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}, args));
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d.connect(anim, "beforeBegin", anim, init);
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return anim; // dojo.Animation
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}
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})();
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}
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