upgraded to yui 0.12.0
upgraded to yui-ext 0.33 rc2
This commit is contained in:
JT Smith
parent
62b3d90db7
commit
cfd09a5cb6
1271 changed files with 539033 additions and 0 deletions
972
www/extras/yui/examples/logger/js/animation-debug.js
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972
www/extras/yui/examples/logger/js/animation-debug.js
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/*
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Copyright (c) 2006, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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Version: 0.10.0
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*/
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/**
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*
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* Base class for animated DOM objects.
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* @class Base animation class that provides the interface for building animated effects.
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* <p>Usage: var myAnim = new YAHOO.util.Anim(el, { width: { from: 10, to: 100 } }, 1, YAHOO.util.Easing.easeOut);</p>
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* @requires YAHOO.util.AnimMgr
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* @requires YAHOO.util.Easing
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* @requires YAHOO.util.Dom
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* @requires YAHOO.util.Event
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* @requires YAHOO.util.CustomEvent
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* @constructor
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* @param {String or HTMLElement} el Reference to the element that will be animated
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* @param {Object} attributes The attribute(s) to be animated.
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* Each attribute is an object with at minimum a "to" or "by" member defined.
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* Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
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* All attribute names use camelCase.
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* @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
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* @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)
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*/
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YAHOO.util.Anim = function(el, attributes, duration, method)
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{
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if (el) {
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this.init(el, attributes, duration, method);
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}
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};
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YAHOO.util.Anim.prototype = {
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toString: function() {
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return "some animation";
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},
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/**
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* Returns the value computed by the animation's "method".
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* @param {String} attribute The name of the attribute.
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* @param {Number} start The value this attribute should start from for this animation.
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* @param {Number} end The value this attribute should end at for this animation.
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* @return {Number} The Value to be applied to the attribute.
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*/
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doMethod: function(attribute, start, end) {
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return this.method(this.currentFrame, start, end - start, this.totalFrames);
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},
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/**
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* Applies a value to an attribute
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* @param {String} attribute The name of the attribute.
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* @param {Number} val The value to be applied to the attribute.
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* @param {String} unit The unit ('px', '%', etc.) of the value.
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*/
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setAttribute: function(attribute, val, unit) {
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YAHOO.util.Dom.setStyle(this.getEl(), attribute, val + unit);
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},
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/**
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* Returns current value of the attribute.
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* @param {String} attribute The name of the attribute.
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* @return {Number} val The current value of the attribute.
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*/
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getAttribute: function(attribute) {
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return parseFloat( YAHOO.util.Dom.getStyle(this.getEl(), attribute));
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},
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/**
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* The default unit to use for all attributes if not defined per attribute.
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* @type String
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*/
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defaultUnit: 'px',
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/**
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* Per attribute units that should be used by default.
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* @type Object
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*/
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defaultUnits: { opacity: ' ' },
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/**
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* @param {String or HTMLElement} el Reference to the element that will be animated
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* @param {Object} attributes The attribute(s) to be animated.
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* Each attribute is an object with at minimum a "to" or "by" member defined.
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* Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
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* All attribute names use camelCase.
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* @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
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* @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)
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*/
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init: function(el, attributes, duration, method) {
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/**
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* Whether or not the animation is running.
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* @private
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* @type Boolean
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*/
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var isAnimated = false;
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/**
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* A Date object that is created when the animation begins.
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* @private
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* @type Date
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*/
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var startTime = null;
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/**
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* A Date object that is created when the animation ends.
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* @private
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* @type Date
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*/
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var endTime = null;
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/**
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* The number of frames this animation was able to execute.
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* @private
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* @type Int
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*/
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var actualFrames = 0;
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/**
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* The attribute values that will be used if no "from" is supplied.
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* @private
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* @type Object
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*/
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var defaultValues = {};
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/**
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* The element to be animated.
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* @private
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* @type HTMLElement
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*/
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el = YAHOO.util.Dom.get(el);
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/**
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* The collection of attributes to be animated.
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* Each attribute must have at least a "to" or "by" defined in order to animate.
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* If "to" is supplied, the animation will end with the attribute at that value.
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* If "by" is supplied, the animation will end at that value plus its starting value.
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* If both are supplied, "to" is used, and "by" is ignored.
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* @member YAHOO#util#Anim
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* 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).
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* @type Object
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*/
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this.attributes = attributes || {};
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/**
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* The length of the animation. Defaults to "1" (second).
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* @type Number
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*/
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this.duration = duration || 1;
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/**
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* The method that will provide values to the attribute(s) during the animation.
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* Defaults to "YAHOO.util.Easing.easeNone".
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* @type Function
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*/
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this.method = method || YAHOO.util.Easing.easeNone;
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/**
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* Whether or not the duration should be treated as seconds.
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* Defaults to true.
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* @type Boolean
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*/
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this.useSeconds = true; // default to seconds
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/**
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* The location of the current animation on the timeline.
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* In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
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* @type Int
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*/
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this.currentFrame = 0;
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/**
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* The total number of frames to be executed.
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* In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
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* @type Int
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*/
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this.totalFrames = YAHOO.util.AnimMgr.fps;
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/**
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* Returns a reference to the animated element.
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* @return {HTMLElement}
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*/
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this.getEl = function() { return el; };
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/**
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* Sets the default value to be used when "from" is not supplied.
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* @param {String} attribute The attribute being set.
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* @param {Number} val The default value to be applied to the attribute.
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*/
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this.setDefault = function(attribute, val) {
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if ( val.constructor != Array && (val == 'auto' || isNaN(val)) ) { // if 'auto' or NaN, set defaults for well known attributes, zero for others
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switch(attribute) {
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case'width':
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val = el.clientWidth || el.offsetWidth; // computed width
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break;
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case 'height':
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val = el.clientHeight || el.offsetHeight; // computed height
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break;
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case 'left':
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if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
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val = el.offsetLeft; // computed left
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} else {
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val = 0;
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}
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break;
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case 'top':
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if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
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val = el.offsetTop; // computed top
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} else {
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val = 0;
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}
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break;
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default:
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val = 0;
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}
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}
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defaultValues[attribute] = val;
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};
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/**
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* Returns the default value for the given attribute.
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* @param {String} attribute The attribute whose value will be returned.
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*/
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this.getDefault = function(attribute) {
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return defaultValues[attribute];
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};
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/**
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* Checks whether the element is currently animated.
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* @return {Boolean} current value of isAnimated.
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*/
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this.isAnimated = function() {
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return isAnimated;
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};
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/**
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* Returns the animation start time.
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* @return {Date} current value of startTime.
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*/
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this.getStartTime = function() {
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return startTime;
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};
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/**
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* Starts the animation by registering it with the animation manager.
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*/
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this.animate = function() {
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if ( this.isAnimated() ) { return false; }
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this.onStart.fire();
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this._onStart.fire();
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this.totalFrames = ( this.useSeconds ) ? Math.ceil(YAHOO.util.AnimMgr.fps * this.duration) : this.duration;
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YAHOO.util.AnimMgr.registerElement(this);
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// get starting values or use defaults
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var attributes = this.attributes;
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var el = this.getEl();
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var val;
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for (var attribute in attributes) {
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val = this.getAttribute(attribute);
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this.setDefault(attribute, val);
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}
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isAnimated = true;
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actualFrames = 0;
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startTime = new Date();
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};
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/**
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* Stops the animation. Normally called by AnimMgr when animation completes.
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*/
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this.stop = function() {
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if ( !this.isAnimated() ) { return false; }
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this.currentFrame = 0;
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endTime = new Date();
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var data = {
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time: endTime,
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duration: endTime - startTime,
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frames: actualFrames,
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fps: actualFrames / this.duration,
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toString: function() {
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return "time: " + this.time + ", " +
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"duration: " + this.duration + ", " +
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"frames: " + this.frames + ", " +
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"fps: " + this.fps;
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}
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};
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isAnimated = false;
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actualFrames = 0;
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this.onComplete.fire(data);
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};
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/**
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* Feeds the starting and ending values for each animated attribute to doMethod once per frame, then applies the resulting value to the attribute(s).
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* @private
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*/
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var onTween = function() {
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var start;
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var end = null;
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var val;
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var unit;
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var attributes = this['attributes'];
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for (var attribute in attributes) {
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unit = attributes[attribute]['unit'] || this.defaultUnits[attribute] || this.defaultUnit;
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if (typeof attributes[attribute]['from'] != 'undefined') {
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start = attributes[attribute]['from'];
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} else {
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start = this.getDefault(attribute);
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}
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// To beats by, per SMIL 2.1 spec
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if (typeof attributes[attribute]['to'] != 'undefined') {
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end = attributes[attribute]['to'];
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}
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else if (typeof attributes[attribute]['by'] != 'undefined')
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{
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if (start.constructor == Array) {
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end = [];
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for (var i = 0, len = start.length; i < len; ++i)
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{
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end[i] = start[i] + attributes[attribute]['by'][i];
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}
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}
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else
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{
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end = start + attributes[attribute]['by'];
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}
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}
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// if end is null, dont change value
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if (end !== null && typeof end != 'undefined') {
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val = this.doMethod(attribute, start, end);
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// negative not allowed for these (others too, but these are most common)
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if ( (attribute == 'width' || attribute == 'height' || attribute == 'opacity') && val < 0 ) {
|
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val = 0;
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}
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this.setAttribute(attribute, val, unit);
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}
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}
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actualFrames += 1;
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};
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/**
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* Custom event that fires after onStart, useful in subclassing
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* @private
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*/
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this._onStart = new YAHOO.util.CustomEvent('_onStart', this, true);
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/**
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* Custom event that fires when animation begins
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* Listen via subscribe method (e.g. myAnim.onStart.subscribe(someFunction)
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*/
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this.onStart = new YAHOO.util.CustomEvent('start', this);
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/**
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* Custom event that fires between each frame
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* Listen via subscribe method (e.g. myAnim.onTween.subscribe(someFunction)
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*/
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this.onTween = new YAHOO.util.CustomEvent('tween', this);
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/**
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* Custom event that fires after onTween
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* @private
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*/
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this._onTween = new YAHOO.util.CustomEvent('_tween', this, true);
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/**
|
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* Custom event that fires when animation ends
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* Listen via subscribe method (e.g. myAnim.onComplete.subscribe(someFunction)
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*/
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this.onComplete = new YAHOO.util.CustomEvent('complete', this);
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this._onTween.subscribe(onTween);
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}
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};
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/*
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Copyright (c) 2006, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
|
||||
http://developer.yahoo.net/yui/license.txt
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||||
Version: 0.10.0
|
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*/
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/**
|
||||
* @class Handles animation queueing and threading.
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* Used by Anim and subclasses.
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||||
*/
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YAHOO.util.AnimMgr = new function() {
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||||
/**
|
||||
* Reference to the animation Interval
|
||||
* @private
|
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* @type Int
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||||
*/
|
||||
var thread = null;
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/**
|
||||
* The current queue of registered animation objects.
|
||||
* @private
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||||
* @type Array
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||||
*/
|
||||
var queue = [];
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||||
|
||||
/**
|
||||
* The number of active animations.
|
||||
* @private
|
||||
* @type Int
|
||||
*/
|
||||
var tweenCount = 0;
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||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
/*
|
||||
Copyright (c) 2006, Yahoo! Inc. All rights reserved.
|
||||
Code licensed under the BSD License:
|
||||
http://developer.yahoo.net/yui/license.txt
|
||||
Version: 0.10.0
|
||||
*/
|
||||
|
||||
/**
|
||||
*
|
||||
* @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.
|
||||
* 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 {Array} points An array containing Bezier points
|
||||
* @param {Number} t A number between 0 and 1 which is the basis for determining current position
|
||||
* @return {Array} An array 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] ];
|
||||
|
||||
};
|
||||
};
|
||||
|
||||
/*
|
||||
Copyright (c) 2006, Yahoo! Inc. All rights reserved.
|
||||
Code licensed under the BSD License:
|
||||
http://developer.yahoo.net/yui/license.txt
|
||||
Version: 0.10.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* @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);
|
||||
};
|
||||
};
|
||||
|
||||
/*
|
||||
Copyright (c) 2006, Yahoo! Inc. All rights reserved.
|
||||
Code licensed under the BSD License:
|
||||
http://developer.yahoo.net/yui/license.txt
|
||||
Version: 0.10.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* @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
|
||||
* @requires YAHOO.util.CustomEvent
|
||||
* @constructor
|
||||
* @param {String or HTMLElement} 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 {String or HTMLElement} 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);
|
||||
};
|
||||
|
||||
/*
|
||||
Copyright (c) 2006, Yahoo! Inc. All rights reserved.
|
||||
Code licensed under the BSD License:
|
||||
http://developer.yahoo.net/yui/license.txt
|
||||
Version: 0.10.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* @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
|
||||
* @requires YAHOO.util.CustomEvent
|
||||
* @constructor
|
||||
* @param {String or HTMLElement} 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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Reference in a new issue