animation.js

struts hibernet spring

		// gotoEnd: If true, the animation will end.
		clearTimeout(this._timer);
		var step = this._percent / 100;
		if(gotoEnd){
			step = 1;
		}
		var value = this.curve.getValue(step);
		this.fire("handler", ["stop", value]);
		this.fire("onStop", [value]);
		this._active = false;
		this._paused = false;
		return this; // dojo.lfx.Animation
	},

	status: function(){
		// summary: Returns a string representation of the status of
		//			the animation.
		if(this._active){
			return this._paused ? "paused" : "playing"; // String
		}else{
			return "stopped"; // String
		}
		return this;
	},

	// "private" methods
	_cycle: function(){
		clearTimeout(this._timer);
		if(this._active){
			var curr = new Date().valueOf();
			var step = (curr - this._startTime) / (this._endTime - this._startTime);

			if(step >= 1){
				step = 1;
				this._percent = 100;
			}else{
				this._percent = step * 100;
			}
			
			// Perform easing
			if((this.easing)&&(dojo.lang.isFunction(this.easing))){
				step = this.easing(step);
			}

			var value = this.curve.getValue(step);
			this.fire("handler", ["animate", value]);
			this.fire("onAnimate", [value]);

			if( step < 1 ){
				this._timer = setTimeout(dojo.lang.hitch(this, "_cycle"), this.rate);
			}else{
				this._active = false;
				this.fire("handler", ["end"]);
				this.fire("onEnd");

				if(this.repeatCount > 0){
					this.repeatCount--;
					this.play(null, true);
				}else if(this.repeatCount == -1){
					this.play(null, true);
				}else{
					if(this._startRepeatCount){
						this.repeatCount = this._startRepeatCount;
						this._startRepeatCount = 0;
					}
				}
			}
		}
		return this; // dojo.lfx.Animation
	}
});

dojo.lfx.Combine = function(/*dojo.lfx.IAnimation...*/ animations){
	// summary: An animation object to play animations passed to it at the same time.
	dojo.lfx.IAnimation.call(this);
	this._anims = [];
	this._animsEnded = 0;
	
	var anims = arguments;
	if(anims.length == 1 && (dojo.lang.isArray(anims[0]) || dojo.lang.isArrayLike(anims[0]))){
		/* animations: dojo.lfx.IAnimation[]
		   pId: a */
		anims = anims[0];
	}
	
	dojo.lang.forEach(anims, function(anim){
		this._anims.push(anim);
		anim.connect("onEnd", dojo.lang.hitch(this, "_onAnimsEnded"));
	}, this);
}
dojo.inherits(dojo.lfx.Combine, dojo.lfx.IAnimation);
dojo.lang.extend(dojo.lfx.Combine, {
	// private members
	_animsEnded: 0,
	
	// public methods
	play: function(/*int?*/ delay, /*bool?*/ gotoStart){
		// summary: Start the animations.
		// delay: How many milliseconds to delay before starting.
		// gotoStart: If true, starts the animations from the beginning; otherwise,
		//            starts them from their current position.
		if( !this._anims.length ){ return this; /*dojo.lfx.Combine*/}

		this.fire("beforeBegin");

		if(delay > 0){
			setTimeout(dojo.lang.hitch(this, function(){ this.play(null, gotoStart); }), delay);
			return this; // dojo.lfx.Combine
		}
		
		if(gotoStart || this._anims[0].percent == 0){
			this.fire("onBegin");
		}
		this.fire("onPlay");
		this._animsCall("play", null, gotoStart);
		return this; // dojo.lfx.Combine
	},
	
	pause: function(){
		// summary: Pauses the running animations.
		this.fire("onPause");
		this._animsCall("pause"); 
		return this; // dojo.lfx.Combine
	},
	
	stop: function(/*bool?*/ gotoEnd){
		// summary: Stops the running animations.
		// gotoEnd: If true, the animations will end.
		this.fire("onStop");
		this._animsCall("stop", gotoEnd);
		return this; // dojo.lfx.Combine
	},
	
	// private methods
	_onAnimsEnded: function(){
		this._animsEnded++;
		if(this._animsEnded >= this._anims.length){
			this.fire("onEnd");
		}
		return this; // dojo.lfx.Combine
	},
	
	_animsCall: function(/*String*/ funcName){
		var args = [];
		if(arguments.length > 1){
			for(var i = 1 ; i < arguments.length ; i++){
				args.push(arguments[i]);
			}
		}
		var _this = this;
		dojo.lang.forEach(this._anims, function(anim){
			anim[funcName](args);
		}, _this);
		return this; // dojo.lfx.Combine
	}
});

dojo.lfx.Chain = function(/*dojo.lfx.IAnimation...*/ animations) {
	// summary: An animation object to play animations passed to it
	//			one after another.
	dojo.lfx.IAnimation.call(this);
	this._anims = [];
	this._currAnim = -1;
	
	var anims = arguments;
	if(anims.length == 1 && (dojo.lang.isArray(anims[0]) || dojo.lang.isArrayLike(anims[0]))){
		/* animations: dojo.lfx.IAnimation[]
		   pId: a */
		anims = anims[0];
	}
	
	var _this = this;
	dojo.lang.forEach(anims, function(anim, i, anims_arr){
		this._anims.push(anim);
		if(i < anims_arr.length - 1){
			anim.connect("onEnd", dojo.lang.hitch(this, "_playNext") );
		}else{
			anim.connect("onEnd", dojo.lang.hitch(this, function(){ this.fire("onEnd"); }) );
		}
	}, this);
}
dojo.inherits(dojo.lfx.Chain, dojo.lfx.IAnimation);
dojo.lang.extend(dojo.lfx.Chain, {
	// private members
	_currAnim: -1,
	
	// public methods
	play: function(/*int?*/ delay, /*bool?*/ gotoStart){
		// summary: Start the animation sequence.
		// delay: How many milliseconds to delay before starting.
		// gotoStart: If true, starts the sequence from the beginning; otherwise,
		//            starts it from its current position.
		if( !this._anims.length ) { return this; /*dojo.lfx.Chain*/}
		if( gotoStart || !this._anims[this._currAnim] ) {
			this._currAnim = 0;
		}

		var currentAnimation = this._anims[this._currAnim];

		this.fire("beforeBegin");
		if(delay > 0){
			setTimeout(dojo.lang.hitch(this, function(){ this.play(null, gotoStart); }), delay);
			return this; // dojo.lfx.Chain
		}
		
		if(currentAnimation){
			if(this._currAnim == 0){
				this.fire("handler", ["begin", this._currAnim]);
				this.fire("onBegin", [this._currAnim]);
			}
			this.fire("onPlay", [this._currAnim]);
			currentAnimation.play(null, gotoStart);
		}
		return this; // dojo.lfx.Chain
	},
	
	pause: function(){
		// summary: Pauses the running animation sequence.
		if( this._anims[this._currAnim] ) {
			this._anims[this._currAnim].pause();
			this.fire("onPause", [this._currAnim]);
		}
		return this; // dojo.lfx.Chain
	},
	
	playPause: function(){
		// summary: If the animation sequence is playing, pause it; otherwise,
		//			play it.
		if(this._anims.length == 0){ return this; }
		if(this._currAnim == -1){ this._currAnim = 0; }
		var currAnim = this._anims[this._currAnim];
		if( currAnim ) {
			if( !currAnim._active || currAnim._paused ) {
				this.play();
			} else {
				this.pause();
			}
		}
		return this; // dojo.lfx.Chain
	},
	
	stop: function(){
		// summary: Stops the running animations.
		var currAnim = this._anims[this._currAnim];
		if(currAnim){
			currAnim.stop();
			this.fire("onStop", [this._currAnim]);
		}
		return currAnim; // dojo.lfx.IAnimation
	},
	
	// private methods
	_playNext: function(){
		if( this._currAnim == -1 || this._anims.length == 0 ) { return this; }
		this._currAnim++;
		if( this._anims[this._currAnim] ){
			this._anims[this._currAnim].play(null, true);
		}
		return this; // dojo.lfx.Chain
	}
});

dojo.lfx.combine = function(/*dojo.lfx.IAnimation...*/ animations){
	// summary: Convenience function.  Returns a dojo.lfx.Combine created
	//			using the animations passed in.
	var anims = arguments;
	if(dojo.lang.isArray(arguments[0])){
		/* animations: dojo.lfx.IAnimation[]
		   pId: a */
		anims = arguments[0];
	}
	if(anims.length == 1){ return anims[0]; }
	return new dojo.lfx.Combine(anims); // dojo.lfx.Combine
}

dojo.lfx.chain = function(/*dojo.lfx.IAnimation...*/ animations){
	// summary: Convenience function.  Returns a dojo.lfx.Chain created
	//			using the animations passed in.
	var anims = arguments;
	if(dojo.lang.isArray(arguments[0])){
		/* animations: dojo.lfx.IAnimation[]
		   pId: a */
		anims = arguments[0];
	}
	if(anims.length == 1){ return anims[0]; }
	return new dojo.lfx.Chain(anims); // dojo.lfx.Combine
}