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Diffstat (limited to 'web/build/animation.js')
| -rw-r--r-- | web/build/animation.js | 907 |
1 files changed, 0 insertions, 907 deletions
diff --git a/web/build/animation.js b/web/build/animation.js deleted file mode 100644 index 05c92eede..000000000 --- a/web/build/animation.js +++ /dev/null @@ -1,907 +0,0 @@ -/*
-Copyright (c) 2006 Yahoo! Inc. All rights reserved.
-version 0.9.0
-*/
-
-/**
- *
- * Base class for animated DOM objects.
- * @class Base animation class that provides the interface for building animated effects.
- * <p>Usage: var myAnim = new YAHOO.util.Anim(el, { width: { from: 10, to: 100 } }, 1, YAHOO.util.Easing.easeOut);</p>
- * @requires YAHOO.util.AnimMgr
- * @requires YAHOO.util.Easing
- * @requires YAHOO.util.Dom
- * @requires YAHOO.util.Event
- * @constructor
- * @param {HTMLElement | String} el Reference to the element that will be animated
- * @param {Object} attributes The attribute(s) to be animated.
- * Each attribute is an object with at minimum a "to" or "by" member defined.
- * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
- * All attribute names use camelCase.
- * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
- * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
- */
-
-YAHOO.util.Anim = function(el, attributes, duration, method)
-{
- if (el) {
- this.init(el, attributes, duration, method);
- }
-};
-
-YAHOO.util.Anim.prototype = {
- /**
- * Returns the value computed by the animation's "method".
- * @param {String} attribute The name of the attribute.
- * @param {Number} start The value this attribute should start from for this animation.
- * @param {Number} end The value this attribute should end at for this animation.
- * @return {Number} The Value to be applied to the attribute.
- */
- doMethod: function(attribute, start, end) {
- return this.method(this.currentFrame, start, end - start, this.totalFrames);
- },
-
- /**
- * Applies a value to an attribute
- * @param {String} attribute The name of the attribute.
- * @param {Number} val The value to be applied to the attribute.
- * @param {String} unit The unit ('px', '%', etc.) of the value.
- */
- setAttribute: function(attribute, val, unit) {
- YAHOO.util.Dom.setStyle(this.getEl(), attribute, val + unit);
- },
-
- /**
- * Returns current value of the attribute.
- * @param {String} attribute The name of the attribute.
- * @return {Number} val The current value of the attribute.
- */
- getAttribute: function(attribute) {
- return parseFloat( YAHOO.util.Dom.getStyle(this.getEl(), attribute));
- },
-
- /**
- * Per attribute units that should be used by default.
- * @type {Object}
- */
- defaultUnits: {
- opacity: ' '
- },
-
- /**
- * The default unit to use for all attributes if not defined per attribute.
- * @type {String}
- */
- defaultUnit: 'px',
-
- /**
- * @param {HTMLElement | String} el Reference to the element that will be animated
- * @param {Object} attributes The attribute(s) to be animated.
- * Each attribute is an object with at minimum a "to" or "by" member defined.
- * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
- * All attribute names use camelCase.
- * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
- * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
- */
- init: function(el, attributes, duration, method) {
-
- /**
- * Whether or not the animation is running.
- * @private
- * @type {Boolen}
- */
- var isAnimated = false;
-
- /**
- * A Date object that is created when the animation begins.
- * @private
- * @type {Date}
- */
- var startTime = null;
-
- /**
- * A Date object that is created when the animation ends.
- * @private
- * @type {Date}
- */
- var endTime = null;
-
- /**
- * The number of frames this animation was able to execute.
- * @private
- * @type {Int}
- */
- var actualFrames = 0;
-
- /**
- * The attribute values that will be used if no "from" is supplied.
- * @private
- * @type {Object}
- */
- var defaultValues = {};
-
- /**
- * The element to be animated.
- * @private
- * @type {HTMLElement}
- */
- el = YAHOO.util.Dom.get(el);
-
- /**
- * The collection of attributes to be animated.
- * Each attribute must have at least a "to" or "by" defined in order to animate.
- * If "to" is supplied, the animation will end with the attribute at that value.
- * If "by" is supplied, the animation will end at that value plus its starting value.
- * If both are supplied, "to" is used, and "by" is ignored.
- * Optional additional member include "from" (the value the attribute should start animating from, defaults to current value), and "unit" (the units to apply to the values).
- * @type {Object}
- */
- this.attributes = attributes || {};
-
- /**
- * The length of the animation. Defaults to "1" (second).
- * @type {Number}
- */
- this.duration = duration || 1;
-
- /**
- * The method that will provide values to the attribute(s) during the animation.
- * Defaults to "YAHOO.util.Easing.easeNone".
- * @type {Function}
- */
- this.method = method || YAHOO.util.Easing.easeNone;
-
- /**
- * Whether or not the duration should be treated as seconds.
- * Defaults to true.
- * @type {Boolean}
- */
- this.useSeconds = true; // default to seconds
-
- /**
- * The location of the current animation on the timeline.
- * In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
- * @type {Int}
- */
- this.currentFrame = 0;
-
- /**
- * The total number of frames to be executed.
- * In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
- * @type {Int}
- */
- this.totalFrames = YAHOO.util.AnimMgr.fps;
-
-
- /**
- * Returns a reference to the animated element.
- * @return {HTMLElement}
- */
- this.getEl = function() { return el; };
-
-
- /**
- * Sets the default value to be used when "from" is not supplied.
- * @param {String} attribute The attribute being set.
- * @param {Number} val The default value to be applied to the attribute.
- */
- this.setDefault = function(attribute, val) {
- if ( val == 'auto' ) { // if 'auto' set defaults for well known attributes, zero for others
- switch(attribute) {
- case'width':
- val = el.clientWidth || el.offsetWidth; // computed width
- break;
- case 'height':
- val = el.clientHeight || el.offsetHeight; // computed height
- break;
- case 'left':
- if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
- val = el.offsetLeft; // computed left
- } else {
- val = 0;
- }
- break;
- case 'top':
- if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
- val = el.offsetTop; // computed top
- } else {
- val = 0;
- }
- break;
- default:
- val = 0;
- }
- }
-
- defaultValues[attribute] = val;
- }
-
- /**
- * Returns the default value for the given attribute.
- * @param {String} attribute The attribute whose value will be returned.
- */
- this.getDefault = function(attribute) {
- return defaultValues[attribute];
- };
-
- /**
- * Checks whether the element is currently animated.
- * @return {Boolean} current value of isAnimated.
- */
- this.isAnimated = function() {
- return isAnimated;
- };
-
- /**
- * Returns the animation start time.
- * @return {Date} current value of startTime.
- */
- this.getStartTime = function() {
- return startTime;
- };
-
- /**
- * Starts the animation by registering it with the animation manager.
- */
- this.animate = function() {
- this.onStart.fire();
- this._onStart.fire();
-
- this.totalFrames = ( this.useSeconds ) ? Math.ceil(YAHOO.util.AnimMgr.fps * this.duration) : this.duration;
- YAHOO.util.AnimMgr.registerElement(this);
-
- // get starting values or use defaults
- var attributes = this.attributes;
- var el = this.getEl();
- var val;
-
- for (var attribute in attributes) {
- val = this.getAttribute(attribute);
- this.setDefault(attribute, val);
- }
-
- isAnimated = true;
- actualFrames = 0;
- startTime = new Date();
- };
-
- /**
- * Stops the animation. Normally called by AnimMgr when animation completes.
- */
- this.stop = function() {
- this.currentFrame = 0;
-
- endTime = new Date();
-
- var data = {
- time: endTime,
- duration: endTime - startTime,
- frames: actualFrames,
- fps: actualFrames / this.duration
- };
-
- isAnimated = false;
- actualFrames = 0;
-
- this.onComplete.fire(data);
- };
-
- /**
- * Feeds the starting and ending values for each animated attribute to doMethod once per frame, then applies the resulting value to the attribute(s).
- * @private
- */
- var onTween = function() {
- var start;
- var end = null;
- var val;
- var unit;
- var attributes = this['attributes'];
-
- for (var attribute in attributes) {
- unit = attributes[attribute]['unit'] || this.defaultUnits[attribute] || this.defaultUnit;
-
- if (typeof attributes[attribute]['from'] != 'undefined') {
- start = attributes[attribute]['from'];
- } else {
- start = this.getDefault(attribute);
- }
-
- // To beats by, per SMIL 2.1 spec
- if (typeof attributes[attribute]['to'] != 'undefined') {
- end = attributes[attribute]['to'];
- } else if (typeof attributes[attribute]['by'] != 'undefined') {
- end = start + attributes[attribute]['by'];
- }
-
- // if end is null, dont change value
- if (end !== null && typeof end != 'undefined') {
-
- val = this.doMethod(attribute, start, end);
-
- // negative not allowed for these (others too, but these are most common)
- if ( (attribute == 'width' || attribute == 'height' || attribute == 'opacity') && val < 0 ) {
- val = 0;
- }
-
- this.setAttribute(attribute, val, unit);
- }
- }
-
- actualFrames += 1;
- };
-
- /**
- * Custom event that fires after onStart, useful in subclassing
- * @private
- */
- this._onStart = new YAHOO.util.CustomEvent('_onStart', this);
-
- /**
- * Custom event that fires when animation begins
- * Listen via subscribe method
- */
- this.onStart = new YAHOO.util.CustomEvent('start', this);
-
- /**
- * Custom event that fires between each frame
- * Listen via subscribe method
- */
- this.onTween = new YAHOO.util.CustomEvent('tween', this);
-
- /**
- * Custom event that fires after onTween
- * @private
- */
- this._onTween = new YAHOO.util.CustomEvent('_tween', this);
-
- /**
- * Custom event that fires when animation ends
- * Listen via subscribe method
- */
- this.onComplete = new YAHOO.util.CustomEvent('complete', this);
-
- this._onTween.subscribe(onTween);
- }
-};
-
-/**
- * @class Handles animation queueing and threading.
- * Used by Anim and subclasses.
- */
-YAHOO.util.AnimMgr = new function() {
- /**
- * Reference to the animation Interval
- * @private
- * @type Int
- */
- var thread = null;
-
- /**
- * The current queue of registered animation objects.
- * @private
- * @type Array
- */
- var queue = [];
-
- /**
- * The number of active animations.
- * @private
- * @type Int
- */
- var tweenCount = 0;
-
- /**
- * Base frame rate (frames per second).
- * Arbitrarily high for better x-browser calibration (slower browsers drop more frames).
- * @type Int
- *
- */
- this.fps = 200;
-
- /**
- * Interval delay in milliseconds, defaults to fastest possible.
- * @type Int
- *
- */
- this.delay = 1;
-
- /**
- * Adds an animation instance to the animation queue.
- * All animation instances must be registered in order to animate.
- * @param {object} tween The Anim instance to be be registered
- */
- this.registerElement = function(tween) {
- if ( tween.isAnimated() ) { return false; }// but not if already animating
-
- queue[queue.length] = tween;
- tweenCount += 1;
-
- this.start();
- };
-
- /**
- * Starts the animation thread.
- * Only one thread can run at a time.
- */
- this.start = function() {
- if (thread === null) { thread = setInterval(this.run, this.delay); }
- };
-
- /**
- * Stops the animation thread or a specific animation instance.
- * @param {object} tween A specific Anim instance to stop (optional)
- * If no instance given, Manager stops thread and all animations.
- */
- this.stop = function(tween) {
- if (!tween)
- {
- clearInterval(thread);
- for (var i = 0, len = queue.length; i < len; ++i) {
- if (queue[i].isAnimated()) {
- queue[i].stop();
- }
- }
- queue = [];
- thread = null;
- tweenCount = 0;
- }
- else {
- tween.stop();
- tweenCount -= 1;
-
- if (tweenCount <= 0) { this.stop(); }
- }
- };
-
- /**
- * Called per Interval to handle each animation frame.
- */
- this.run = function() {
- for (var i = 0, len = queue.length; i < len; ++i) {
- var tween = queue[i];
- if ( !tween || !tween.isAnimated() ) { continue; }
-
- if (tween.currentFrame < tween.totalFrames || tween.totalFrames === null)
- {
- tween.currentFrame += 1;
-
- if (tween.useSeconds) {
- correctFrame(tween);
- }
-
- tween.onTween.fire();
- tween._onTween.fire();
- }
- else { YAHOO.util.AnimMgr.stop(tween); }
- }
- };
-
- /**
- * On the fly frame correction to keep animation on time.
- * @private
- * @param {Object} tween The Anim instance being corrected.
- */
- var correctFrame = function(tween) {
- var frames = tween.totalFrames;
- var frame = tween.currentFrame;
- var expected = (tween.currentFrame * tween.duration * 1000 / tween.totalFrames);
- var elapsed = (new Date() - tween.getStartTime());
- var tweak = 0;
-
- if (elapsed < tween.duration * 1000) { // check if falling behind
- tweak = Math.round((elapsed / expected - 1) * tween.currentFrame);
- } else { // went over duration, so jump to end
- tweak = frames - (frame + 1);
- }
- if (tweak > 0 && isFinite(tweak)) { // adjust if needed
- if (tween.currentFrame + tweak >= frames) {// dont go past last frame
- tweak = frames - (frame + 1);
- }
-
- tween.currentFrame += tweak;
- }
- };
-}
-
-/**
- *
- * @class Used to calculate Bezier splines for any number of control points.
- *
- */
-YAHOO.util.Bezier = new function()
-{
- /**
- * Get the current position of the animated element based on t.
- * @param {array} points An array containing Bezier points.
- * Each point is an array of "x" and "y" values (0 = x, 1 = y)
- * At least 2 points are required (start and end).
- * First point is start. Last point is end.
- * Additional control points are optional.
- * @param {float} t Basis for determining current position (0 < t < 1)
- * @return {object} An object containing int x and y member data
- */
- this.getPosition = function(points, t)
- {
- var n = points.length;
- var tmp = [];
-
- for (var i = 0; i < n; ++i){
- tmp[i] = [points[i][0], points[i][1]]; // save input
- }
-
- for (var j = 1; j < n; ++j) {
- for (i = 0; i < n - j; ++i) {
- tmp[i][0] = (1 - t) * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];
- tmp[i][1] = (1 - t) * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1];
- }
- }
-
- return [ tmp[0][0], tmp[0][1] ];
-
- };
-};
-
-/**
- * @class Class for defining the acceleration rate and path of animations.
- */
-YAHOO.util.Easing = new function() {
-
- /**
- * Uniform speed between points.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.easeNone = function(t, b, c, d) {
- return b+c*(t/=d);
- };
-
- /**
- * Begins slowly and accelerates towards end.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.easeIn = function(t, b, c, d) {
- return b+c*((t/=d)*t*t);
- };
-
- /**
- * Begins quickly and decelerates towards end.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.easeOut = function(t, b, c, d) {
- var ts=(t/=d)*t;
- var tc=ts*t;
- return b+c*(tc + -3*ts + 3*t);
- };
-
- /**
- * Begins slowly and decelerates towards end.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.easeBoth = function(t, b, c, d) {
- var ts=(t/=d)*t;
- var tc=ts*t;
- return b+c*(-2*tc + 3*ts);
- };
-
- /**
- * Begins by going below staring value.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.backIn = function(t, b, c, d) {
- var ts=(t/=d)*t;
- var tc=ts*t;
- return b+c*(-3.4005*tc*ts + 10.2*ts*ts + -6.2*tc + 0.4*ts);
- };
-
- /**
- * End by going beyond ending value.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.backOut = function(t, b, c, d) {
- var ts=(t/=d)*t;
- var tc=ts*t;
- return b+c*(8.292*tc*ts + -21.88*ts*ts + 22.08*tc + -12.69*ts + 5.1975*t);
- };
-
- /**
- * Starts by going below staring value, and ends by going beyond ending value.
- * @param {Number} t Time value used to compute current value.
- * @param {Number} b Starting value.
- * @param {Number} c Delta between start and end values.
- * @param {Number} d Total length of animation.
- * @return {Number} The computed value for the current animation frame.
- */
- this.backBoth = function(t, b, c, d) {
- var ts=(t/=d)*t;
- var tc=ts*t;
- return b+c*(0.402*tc*ts + -2.1525*ts*ts + -3.2*tc + 8*ts + -2.05*t);
- };
-};
-
-/**
- * @class Anim subclass for moving elements along a path defined by the "points" member of "attributes". All "points" are arrays with x, y coordinates.
- * <p>Usage: <code>var myAnim = new YAHOO.util.Motion(el, { points: { to: [800, 800] } }, 1, YAHOO.util.Easing.easeOut);</code></p>
- * @requires YAHOO.util.Anim
- * @requires YAHOO.util.AnimMgr
- * @requires YAHOO.util.Easing
- * @requires YAHOO.util.Bezier
- * @requires YAHOO.util.Dom
- * @requires YAHOO.util.Event
- * @constructor
- * @param {HTMLElement | String} el Reference to the element that will be animated
- * @param {Object} attributes The attribute(s) to be animated.
- * Each attribute is an object with at minimum a "to" or "by" member defined.
- * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
- * All attribute names use camelCase.
- * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
- * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
- */
-YAHOO.util.Motion = function(el, attributes, duration, method) {
- if (el) {
- this.initMotion(el, attributes, duration, method);
- }
-};
-
-YAHOO.util.Motion.prototype = new YAHOO.util.Anim();
-
-/**
- * Per attribute units that should be used by default.
- * Motion points default to 'px' units.
- * @type Object
- */
-YAHOO.util.Motion.prototype.defaultUnits.points = 'px';
-
-/**
- * Returns the value computed by the animation's "method".
- * @param {String} attribute The name of the attribute.
- * @param {Number} start The value this attribute should start from for this animation.
- * @param {Number} end The value this attribute should end at for this animation.
- * @return {Number} The Value to be applied to the attribute.
- */
-YAHOO.util.Motion.prototype.doMethod = function(attribute, start, end) {
- var val = null;
-
- if (attribute == 'points') {
- var translatedPoints = this.getTranslatedPoints();
- var t = this.method(this.currentFrame, 0, 100, this.totalFrames) / 100;
-
- if (translatedPoints) {
- val = YAHOO.util.Bezier.getPosition(translatedPoints, t);
- }
-
- } else {
- val = this.method(this.currentFrame, start, end - start, this.totalFrames);
- }
-
- return val;
-};
-
-/**
- * Returns current value of the attribute.
- * @param {String} attribute The name of the attribute.
- * @return {Number} val The current value of the attribute.
- */
-YAHOO.util.Motion.prototype.getAttribute = function(attribute) {
- var val = null;
-
- if (attribute == 'points') {
- val = [ this.getAttribute('left'), this.getAttribute('top') ];
- if ( isNaN(val[0]) ) { val[0] = 0; }
- if ( isNaN(val[1]) ) { val[1] = 0; }
- } else {
- val = parseFloat( YAHOO.util.Dom.getStyle(this.getEl(), attribute) );
- }
-
- return val;
-};
-
-/**
- * Applies a value to an attribute
- * @param {String} attribute The name of the attribute.
- * @param {Number} val The value to be applied to the attribute.
- * @param {String} unit The unit ('px', '%', etc.) of the value.
- */
-YAHOO.util.Motion.prototype.setAttribute = function(attribute, val, unit) {
- if (attribute == 'points') {
- YAHOO.util.Dom.setStyle(this.getEl(), 'left', val[0] + unit);
- YAHOO.util.Dom.setStyle(this.getEl(), 'top', val[1] + unit);
- } else {
- YAHOO.util.Dom.setStyle(this.getEl(), attribute, val + unit);
- }
-};
-
-/**
- * @param {HTMLElement | String} el Reference to the element that will be animated
- * @param {Object} attributes The attribute(s) to be animated.
- * Each attribute is an object with at minimum a "to" or "by" member defined.
- * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
- * All attribute names use camelCase.
- * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
- * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
- */
-YAHOO.util.Motion.prototype.initMotion = function(el, attributes, duration, method) {
- YAHOO.util.Anim.call(this, el, attributes, duration, method);
-
- attributes = attributes || {};
- attributes.points = attributes.points || {};
- attributes.points.control = attributes.points.control || [];
-
- this.attributes = attributes;
-
- var start;
- var end = null;
- var translatedPoints = null;
-
- this.getTranslatedPoints = function() { return translatedPoints; };
-
- var translateValues = function(val, self) {
- var pageXY = YAHOO.util.Dom.getXY(self.getEl());
- val = [ val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1] ];
-
- return val;
- };
-
- var onStart = function() {
- start = this.getAttribute('points');
- var attributes = this.attributes;
- var control = attributes['points']['control'] || [];
-
- if (control.length > 0 && control[0].constructor != Array) { // could be single point or array of points
- control = [control];
- }
-
- if (YAHOO.util.Dom.getStyle(this.getEl(), 'position') == 'static') { // default to relative
- YAHOO.util.Dom.setStyle(this.getEl(), 'position', 'relative');
- }
-
- if (typeof attributes['points']['from'] != 'undefined') {
- YAHOO.util.Dom.setXY(this.getEl(), attributes['points']['from']); // set to from point
- start = this.getAttribute('points'); // get actual offset values
- }
- else if ((start[0] === 0 || start[1] === 0)) { // these sometimes up when auto
- YAHOO.util.Dom.setXY(this.getEl(), YAHOO.util.Dom.getXY(this.getEl())); // set it to current position, giving offsets
- start = this.getAttribute('points'); // get actual offset values
- }
-
- var i, len;
- // TO beats BY, per SMIL 2.1 spec
- if (typeof attributes['points']['to'] != 'undefined') {
- end = translateValues(attributes['points']['to'], this);
-
- for (i = 0, len = control.length; i < len; ++i) {
- control[i] = translateValues(control[i], this);
- }
-
- } else if (typeof attributes['points']['by'] != 'undefined') {
- end = [ start[0] + attributes['points']['by'][0], start[1] + attributes['points']['by'][1]];
-
- for (i = 0, len = control.length; i < len; ++i) {
- control[i] = [ start[0] + control[i][0], start[1] + control[i][1] ];
- }
- }
-
- if (end) {
- translatedPoints = [start];
-
- if (control.length > 0) { translatedPoints = translatedPoints.concat(control); }
-
- translatedPoints[translatedPoints.length] = end;
- }
- };
-
- this._onStart.subscribe(onStart);
-};
-
-/**
- * @class Anim subclass for scrolling elements to a position defined by the "scroll" member of "attributes". All "scroll" members are arrays with x, y scroll positions.
- * <p>Usage: <code>var myAnim = new YAHOO.util.Scroll(el, { scroll: { to: [0, 800] } }, 1, YAHOO.util.Easing.easeOut);</code></p>
- * @requires YAHOO.util.Anim
- * @requires YAHOO.util.AnimMgr
- * @requires YAHOO.util.Easing
- * @requires YAHOO.util.Bezier
- * @requires YAHOO.util.Dom
- * @requires YAHOO.util.Event
- * @constructor
- * @param {HTMLElement | String} el Reference to the element that will be animated
- * @param {Object} attributes The attribute(s) to be animated.
- * Each attribute is an object with at minimum a "to" or "by" member defined.
- * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
- * All attribute names use camelCase.
- * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
- * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
- */
-YAHOO.util.Scroll = function(el, attributes, duration, method) {
- if (el) {
- YAHOO.util.Anim.call(this, el, attributes, duration, method);
- }
-};
-
-YAHOO.util.Scroll.prototype = new YAHOO.util.Anim();
-
-/**
- * Per attribute units that should be used by default.
- * Scroll positions default to no units.
- * @type Object
- */
-YAHOO.util.Scroll.prototype.defaultUnits.scroll = ' ';
-
-/**
- * Returns the value computed by the animation's "method".
- * @param {String} attribute The name of the attribute.
- * @param {Number} start The value this attribute should start from for this animation.
- * @param {Number} end The value this attribute should end at for this animation.
- * @return {Number} The Value to be applied to the attribute.
- */
-YAHOO.util.Scroll.prototype.doMethod = function(attribute, start, end) {
- var val = null;
-
- if (attribute == 'scroll') {
- val = [
- this.method(this.currentFrame, start[0], end[0] - start[0], this.totalFrames),
- this.method(this.currentFrame, start[1], end[1] - start[1], this.totalFrames)
- ];
-
- } else {
- val = this.method(this.currentFrame, start, end - start, this.totalFrames);
- }
- return val;
-}
-
-/**
- * Returns current value of the attribute.
- * @param {String} attribute The name of the attribute.
- * @return {Number} val The current value of the attribute.
- */
-YAHOO.util.Scroll.prototype.getAttribute = function(attribute) {
- var val = null;
- var el = this.getEl();
-
- if (attribute == 'scroll') {
- val = [ el.scrollLeft, el.scrollTop ];
- } else {
- val = parseFloat( YAHOO.util.Dom.getStyle(el, attribute) );
- }
-
- return val;
-};
-
-/**
- * Applies a value to an attribute
- * @param {String} attribute The name of the attribute.
- * @param {Number} val The value to be applied to the attribute.
- * @param {String} unit The unit ('px', '%', etc.) of the value.
- */
-YAHOO.util.Scroll.prototype.setAttribute = function(attribute, val, unit) {
- var el = this.getEl();
-
- if (attribute == 'scroll') {
- el.scrollLeft = val[0];
- el.scrollTop = val[1];
- } else {
- YAHOO.util.Dom.setStyle(el, attribute, val + unit);
- }
-};
-
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