Animation.js
资源名称:oa.rar [点击查看]
上传用户:kimgenplus
上传日期:2016-06-05
资源大小:20877k
文件大小:5k
源码类别:
OA系统
开发平台:
Java
- /*
- Copyright (c) 2004-2006, The Dojo Foundation
- All Rights Reserved.
- Licensed under the Academic Free License version 2.1 or above OR the
- modified BSD license. For more information on Dojo licensing, see:
- http://dojotoolkit.org/community/licensing.shtml
- */
- dojo.provide("dojo.animation.Animation");
- dojo.require("dojo.animation.AnimationEvent");
- dojo.require("dojo.lang.func");
- dojo.require("dojo.math");
- dojo.require("dojo.math.curves");
- dojo.deprecated("dojo.animation.Animation is slated for removal in 0.5; use dojo.lfx.* instead.", "0.5");
- dojo.animation.Animation = function (curve, duration, accel, repeatCount, rate) {
- if (dojo.lang.isArray(curve)) {
- curve = new dojo.math.curves.Line(curve[0], curve[1]);
- }
- this.curve = curve;
- this.duration = duration;
- this.repeatCount = repeatCount || 0;
- this.rate = rate || 25;
- if (accel) {
- if (dojo.lang.isFunction(accel.getValue)) {
- this.accel = accel;
- } else {
- var i = 0.35 * accel + 0.5;
- this.accel = new dojo.math.curves.CatmullRom([[0], [i], [1]], 0.45);
- }
- }
- };
- dojo.lang.extend(dojo.animation.Animation, {curve:null, duration:0, repeatCount:0, accel:null, onBegin:null, onAnimate:null, onEnd:null, onPlay:null, onPause:null, onStop:null, handler:null, _animSequence:null, _startTime:null, _endTime:null, _lastFrame:null, _timer:null, _percent:0, _active:false, _paused:false, _startRepeatCount:0, play:function (gotoStart) {
- if (gotoStart) {
- clearTimeout(this._timer);
- this._active = false;
- this._paused = false;
- this._percent = 0;
- } else {
- if (this._active && !this._paused) {
- return;
- }
- }
- this._startTime = new Date().valueOf();
- if (this._paused) {
- this._startTime -= (this.duration * this._percent / 100);
- }
- this._endTime = this._startTime + this.duration;
- this._lastFrame = this._startTime;
- var e = new dojo.animation.AnimationEvent(this, null, this.curve.getValue(this._percent), this._startTime, this._startTime, this._endTime, this.duration, this._percent, 0);
- this._active = true;
- this._paused = false;
- if (this._percent == 0) {
- if (!this._startRepeatCount) {
- this._startRepeatCount = this.repeatCount;
- }
- e.type = "begin";
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onBegin == "function") {
- this.onBegin(e);
- }
- }
- e.type = "play";
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onPlay == "function") {
- this.onPlay(e);
- }
- if (this._animSequence) {
- this._animSequence._setCurrent(this);
- }
- this._cycle();
- }, pause:function () {
- clearTimeout(this._timer);
- if (!this._active) {
- return;
- }
- this._paused = true;
- var e = new dojo.animation.AnimationEvent(this, "pause", this.curve.getValue(this._percent), this._startTime, new Date().valueOf(), this._endTime, this.duration, this._percent, 0);
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onPause == "function") {
- this.onPause(e);
- }
- }, playPause:function () {
- if (!this._active || this._paused) {
- this.play();
- } else {
- this.pause();
- }
- }, gotoPercent:function (pct, andPlay) {
- clearTimeout(this._timer);
- this._active = true;
- this._paused = true;
- this._percent = pct;
- if (andPlay) {
- this.play();
- }
- }, stop:function (gotoEnd) {
- clearTimeout(this._timer);
- var step = this._percent / 100;
- if (gotoEnd) {
- step = 1;
- }
- var e = new dojo.animation.AnimationEvent(this, "stop", this.curve.getValue(step), this._startTime, new Date().valueOf(), this._endTime, this.duration, this._percent);
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onStop == "function") {
- this.onStop(e);
- }
- this._active = false;
- this._paused = false;
- }, status:function () {
- if (this._active) {
- return this._paused ? "paused" : "playing";
- } else {
- return "stopped";
- }
- }, _cycle:function () {
- clearTimeout(this._timer);
- if (this._active) {
- var curr = new Date().valueOf();
- var step = (curr - this._startTime) / (this._endTime - this._startTime);
- var fps = 1000 / (curr - this._lastFrame);
- this._lastFrame = curr;
- if (step >= 1) {
- step = 1;
- this._percent = 100;
- } else {
- this._percent = step * 100;
- }
- if (this.accel && this.accel.getValue) {
- step = this.accel.getValue(step);
- }
- var e = new dojo.animation.AnimationEvent(this, "animate", this.curve.getValue(step), this._startTime, curr, this._endTime, this.duration, this._percent, Math.round(fps));
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onAnimate == "function") {
- this.onAnimate(e);
- }
- if (step < 1) {
- this._timer = setTimeout(dojo.lang.hitch(this, "_cycle"), this.rate);
- } else {
- e.type = "end";
- this._active = false;
- if (typeof this.handler == "function") {
- this.handler(e);
- }
- if (typeof this.onEnd == "function") {
- this.onEnd(e);
- }
- if (this.repeatCount > 0) {
- this.repeatCount--;
- this.play(true);
- } else {
- if (this.repeatCount == -1) {
- this.play(true);
- } else {
- if (this._startRepeatCount) {
- this.repeatCount = this._startRepeatCount;
- this._startRepeatCount = 0;
- }
- if (this._animSequence) {
- this._animSequence._playNext();
- }
- }
- }
- }
- }
- }});