/hippo/src/main/webapp/ext/src/adapter/core/ext-base-anim.js
http://hdbc.googlecode.com/ · JavaScript · 477 lines · 382 code · 82 blank · 13 comment · 63 complexity · a2699841f4e31b53af26e675e99ce4d5 MD5 · raw file
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- (function(){
- var EXTLIB = Ext.lib,
- noNegatives = /width|height|opacity|padding/i,
- offsetAttribute = /^((width|height)|(top|left))$/,
- defaultUnit = /width|height|top$|bottom$|left$|right$/i,
- offsetUnit = /\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i,
- isset = function(v){
- return typeof v !== 'undefined';
- },
- now = function(){
- return new Date();
- };
-
- EXTLIB.Anim = {
- motion : function(el, args, duration, easing, cb, scope) {
- return this.run(el, args, duration, easing, cb, scope, Ext.lib.Motion);
- },
-
- run : function(el, args, duration, easing, cb, scope, type) {
- type = type || Ext.lib.AnimBase;
- if (typeof easing == "string") {
- easing = Ext.lib.Easing[easing];
- }
- var anim = new type(el, args, duration, easing);
- anim.animateX(function() {
- if(Ext.isFunction(cb)){
- cb.call(scope);
- }
- });
- return anim;
- }
- };
-
- EXTLIB.AnimBase = function(el, attributes, duration, method) {
- if (el) {
- this.init(el, attributes, duration, method);
- }
- };
-
- EXTLIB.AnimBase.prototype = {
- doMethod: function(attr, start, end) {
- var me = this;
- return me.method(me.curFrame, start, end - start, me.totalFrames);
- },
-
-
- setAttr: function(attr, val, unit) {
- if (noNegatives.test(attr) && val < 0) {
- val = 0;
- }
- Ext.fly(this.el, '_anim').setStyle(attr, val + unit);
- },
-
-
- getAttr: function(attr) {
- var el = Ext.fly(this.el),
- val = el.getStyle(attr),
- a = offsetAttribute.exec(attr) || []
-
- if (val !== 'auto' && !offsetUnit.test(val)) {
- return parseFloat(val);
- }
-
- return (!!(a[2]) || (el.getStyle('position') == 'absolute' && !!(a[3]))) ? el.dom['offset' + a[0].charAt(0).toUpperCase() + a[0].substr(1)] : 0;
- },
-
-
- getDefaultUnit: function(attr) {
- return defaultUnit.test(attr) ? 'px' : '';
- },
-
- animateX : function(callback, scope) {
- var me = this,
- f = function() {
- me.onComplete.removeListener(f);
- if (Ext.isFunction(callback)) {
- callback.call(scope || me, me);
- }
- };
- me.onComplete.addListener(f, me);
- me.animate();
- },
-
-
- setRunAttr: function(attr) {
- var me = this,
- a = this.attributes[attr],
- to = a.to,
- by = a.by,
- from = a.from,
- unit = a.unit,
- ra = (this.runAttrs[attr] = {}),
- end;
-
- if (!isset(to) && !isset(by)){
- return false;
- }
-
- var start = isset(from) ? from : me.getAttr(attr);
- if (isset(to)) {
- end = to;
- }else if(isset(by)) {
- if (Ext.isArray(start)){
- end = [];
- Ext.each(start, function(v, i){
- end[i] = v + by[i];
- });
- }else{
- end = start + by;
- }
- }
-
- Ext.apply(ra, {
- start: start,
- end: end,
- unit: isset(unit) ? unit : me.getDefaultUnit(attr)
- });
- },
-
-
- init: function(el, attributes, duration, method) {
- var me = this,
- actualFrames = 0,
- mgr = EXTLIB.AnimMgr;
-
- Ext.apply(me, {
- isAnimated: false,
- startTime: null,
- el: Ext.getDom(el),
- attributes: attributes || {},
- duration: duration || 1,
- method: method || EXTLIB.Easing.easeNone,
- useSec: true,
- curFrame: 0,
- totalFrames: mgr.fps,
- runAttrs: {},
- animate: function(){
- var me = this,
- d = me.duration;
-
- if(me.isAnimated){
- return false;
- }
-
- me.curFrame = 0;
- me.totalFrames = me.useSec ? Math.ceil(mgr.fps * d) : d;
- mgr.registerElement(me);
- },
-
- stop: function(finish){
- var me = this;
-
- if(finish){
- me.curFrame = me.totalFrames;
- me._onTween.fire();
- }
- mgr.stop(me);
- }
- });
-
- var onStart = function(){
- var me = this,
- attr;
-
- me.onStart.fire();
- me.runAttrs = {};
- for(attr in this.attributes){
- this.setRunAttr(attr);
- }
-
- me.isAnimated = true;
- me.startTime = now();
- actualFrames = 0;
- };
-
-
- var onTween = function(){
- var me = this;
-
- me.onTween.fire({
- duration: now() - me.startTime,
- curFrame: me.curFrame
- });
-
- var ra = me.runAttrs;
- for (var attr in ra) {
- this.setAttr(attr, me.doMethod(attr, ra[attr].start, ra[attr].end), ra[attr].unit);
- }
-
- ++actualFrames;
- };
-
- var onComplete = function() {
- var me = this,
- actual = (now() - me.startTime) / 1000,
- data = {
- duration: actual,
- frames: actualFrames,
- fps: actualFrames / actual
- };
-
- me.isAnimated = false;
- actualFrames = 0;
- me.onComplete.fire(data);
- };
-
- me.onStart = new Ext.util.Event(me);
- me.onTween = new Ext.util.Event(me);
- me.onComplete = new Ext.util.Event(me);
- (me._onStart = new Ext.util.Event(me)).addListener(onStart);
- (me._onTween = new Ext.util.Event(me)).addListener(onTween);
- (me._onComplete = new Ext.util.Event(me)).addListener(onComplete);
- }
- };
-
-
- Ext.lib.AnimMgr = new function() {
- var me = this,
- thread = null,
- queue = [],
- tweenCount = 0;
-
-
- Ext.apply(me, {
- fps: 1000,
- delay: 1,
- registerElement: function(tween){
- queue.push(tween);
- ++tweenCount;
- tween._onStart.fire();
- me.start();
- },
-
- unRegister: function(tween, index){
- tween._onComplete.fire();
- index = index || getIndex(tween);
- if (index != -1) {
- queue.splice(index, 1);
- }
-
- if (--tweenCount <= 0) {
- me.stop();
- }
- },
-
- start: function(){
- if(thread === null){
- thread = setInterval(me.run, me.delay);
- }
- },
-
- stop: function(tween){
- if(!tween){
- clearInterval(thread);
- for(var i = 0, len = queue.length; i < len; ++i){
- if(queue[0].isAnimated){
- me.unRegister(queue[0], 0);
- }
- }
-
- queue = [];
- thread = null;
- tweenCount = 0;
- }else{
- me.unRegister(tween);
- }
- },
-
- run: function(){
- var tf;
- Ext.each(queue, function(tween){
- if(tween && tween.isAnimated){
- tf = tween.totalFrames;
- if(tween.curFrame < tf || tf === null){
- ++tween.curFrame;
- if(tween.useSec){
- correctFrame(tween);
- }
- tween._onTween.fire();
- }else{
- me.stop(tween);
- }
- }
- }, me);
- }
- });
-
- var getIndex = function(anim) {
- var out = -1;
- Ext.each(queue, function(item, idx){
- if(item == anim){
- out = idx;
- return false;
- }
- });
- return out;
- };
-
-
- var correctFrame = function(tween) {
- var frames = tween.totalFrames,
- frame = tween.curFrame,
- duration = tween.duration,
- expected = (frame * duration * 1000 / frames),
- elapsed = (now() - tween.startTime),
- tweak = 0;
-
- if(elapsed < duration * 1000){
- tweak = Math.round((elapsed / expected - 1) * frame);
- }else{
- tweak = frames - (frame + 1);
- }
- if(tweak > 0 && isFinite(tweak)){
- if(tween.curFrame + tweak >= frames){
- tweak = frames - (frame + 1);
- }
- tween.curFrame += tweak;
- }
- };
- };
-
- EXTLIB.Bezier = new function() {
-
- this.getPosition = function(points, t) {
- var n = points.length,
- tmp = [],
- c = 1 - t,
- i,
- j;
-
- for (i = 0; i < n; ++i) {
- tmp[i] = [points[i][0], points[i][1]];
- }
-
- for (j = 1; j < n; ++j) {
- for (i = 0; i < n - j; ++i) {
- tmp[i][0] = c * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];
- tmp[i][1] = c * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1];
- }
- }
-
- return [ tmp[0][0], tmp[0][1] ];
-
- };
- };
-
-
- EXTLIB.Easing = {
- easeNone: function (t, b, c, d) {
- return c * t / d + b;
- },
-
-
- easeIn: function (t, b, c, d) {
- return c * (t /= d) * t + b;
- },
-
-
- easeOut: function (t, b, c, d) {
- return -c * (t /= d) * (t - 2) + b;
- }
- };
-
- (function() {
- EXTLIB.Motion = function(el, attributes, duration, method) {
- if (el) {
- EXTLIB.Motion.superclass.constructor.call(this, el, attributes, duration, method);
- }
- };
-
- Ext.extend(EXTLIB.Motion, Ext.lib.AnimBase);
-
- var superclass = EXTLIB.Motion.superclass,
- proto = EXTLIB.Motion.prototype,
- pointsRe = /^points$/i;
-
- Ext.apply(EXTLIB.Motion.prototype, {
- setAttr: function(attr, val, unit){
- var me = this,
- setAttr = superclass.setAttr;
-
- if (pointsRe.test(attr)) {
- unit = unit || 'px';
- setAttr.call(me, 'left', val[0], unit);
- setAttr.call(me, 'top', val[1], unit);
- } else {
- setAttr.call(me, attr, val, unit);
- }
- },
-
- getAttr: function(attr){
- var me = this,
- getAttr = superclass.getAttr;
-
- return pointsRe.test(attr) ? [getAttr.call(me, 'left'), getAttr.call(me, 'top')] : getAttr.call(me, attr);
- },
-
- doMethod: function(attr, start, end){
- var me = this;
-
- return pointsRe.test(attr)
- ? EXTLIB.Bezier.getPosition(me.runAttrs[attr], me.method(me.curFrame, 0, 100, me.totalFrames) / 100)
- : superclass.doMethod.call(me, attr, start, end);
- },
-
- setRunAttr: function(attr){
- if(pointsRe.test(attr)){
-
- var me = this,
- el = this.el,
- points = this.attributes.points,
- control = points.control || [],
- from = points.from,
- to = points.to,
- by = points.by,
- DOM = EXTLIB.Dom,
- start,
- i,
- end,
- len,
- ra;
-
-
- if(control.length > 0 && !Ext.isArray(control[0])){
- control = [control];
- }else{
- /*
- var tmp = [];
- for (i = 0,len = control.length; i < len; ++i) {
- tmp[i] = control[i];
- }
- control = tmp;
- */
- }
-
- Ext.fly(el, '_anim').position();
- DOM.setXY(el, isset(from) ? from : DOM.getXY(el));
- start = me.getAttr('points');
-
-
- if(isset(to)){
- end = translateValues.call(me, to, start);
- for (i = 0,len = control.length; i < len; ++i) {
- control[i] = translateValues.call(me, control[i], start);
- }
- } else if (isset(by)) {
- end = [start[0] + by[0], start[1] + by[1]];
-
- for (i = 0,len = control.length; i < len; ++i) {
- control[i] = [ start[0] + control[i][0], start[1] + control[i][1] ];
- }
- }
-
- ra = this.runAttrs[attr] = [start];
- if (control.length > 0) {
- ra = ra.concat(control);
- }
-
- ra[ra.length] = end;
- }else{
- superclass.setRunAttr.call(this, attr);
- }
- }
- });
-
- var translateValues = function(val, start) {
- var pageXY = EXTLIB.Dom.getXY(this.el);
- return [val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1]];
- };
- })();
- })();