+Effect.Morph = Class.create(Effect.Base, {
+ initialize: function(element) {
+ this.element = $(element);
+ if (!this.element) throw(Effect._elementDoesNotExistError);
+ var options = Object.extend({
+ style: { }
+ }, arguments[1] || { });
+
+ if (!Object.isString(options.style)) this.style = $H(options.style);
+ else {
+ if (options.style.include(':'))
+ this.style = options.style.parseStyle();
+ else {
+ this.element.addClassName(options.style);
+ this.style = $H(this.element.getStyles());
+ this.element.removeClassName(options.style);
+ var css = this.element.getStyles();
+ this.style = this.style.reject(function(style) {
+ return style.value == css[style.key];
+ });
+ options.afterFinishInternal = function(effect) {
+ effect.element.addClassName(effect.options.style);
+ effect.transforms.each(function(transform) {
+ effect.element.style[transform.style] = '';
+ });
+ };
+ }
+ }
+ this.start(options);
+ },
+
+ setup: function(){
+ function parseColor(color){
+ if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
+ color = color.parseColor();
+ return $R(0,2).map(function(i){
+ return parseInt( color.slice(i*2+1,i*2+3), 16 );
+ });
+ }
+ this.transforms = this.style.map(function(pair){
+ var property = pair[0], value = pair[1], unit = null;
+
+ if (value.parseColor('#zzzzzz') != '#zzzzzz') {
+ value = value.parseColor();
+ unit = 'color';
+ } else if (property == 'opacity') {
+ value = parseFloat(value);
+ if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
+ this.element.setStyle({zoom: 1});
+ } else if (Element.CSS_LENGTH.test(value)) {
+ var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
+ value = parseFloat(components[1]);
+ unit = (components.length == 3) ? components[2] : null;
+ }
+
+ var originalValue = this.element.getStyle(property);
+ return {
+ style: property.camelize(),
+ originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
+ targetValue: unit=='color' ? parseColor(value) : value,
+ unit: unit
+ };
+ }.bind(this)).reject(function(transform){
+ return (
+ (transform.originalValue == transform.targetValue) ||
+ (
+ transform.unit != 'color' &&
+ (isNaN(transform.originalValue) || isNaN(transform.targetValue))
+ )
+ );
+ });
+ },
+ update: function(position) {
+ var style = { }, transform, i = this.transforms.length;
+ while(i--)
+ style[(transform = this.transforms[i]).style] =
+ transform.unit=='color' ? '#'+
+ (Math.round(transform.originalValue[0]+
+ (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
+ (Math.round(transform.originalValue[1]+
+ (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
+ (Math.round(transform.originalValue[2]+
+ (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
+ (transform.originalValue +
+ (transform.targetValue - transform.originalValue) * position).toFixed(3) +
+ (transform.unit === null ? '' : transform.unit);
+ this.element.setStyle(style, true);
+ }
+});
+
+Effect.Transform = Class.create({
+ initialize: function(tracks){
+ this.tracks = [];
+ this.options = arguments[1] || { };
+ this.addTracks(tracks);
+ },
+ addTracks: function(tracks){
+ tracks.each(function(track){
+ track = $H(track);
+ var data = track.values().first();
+ this.tracks.push($H({
+ ids: track.keys().first(),
+ effect: Effect.Morph,
+ options: { style: data }
+ }));
+ }.bind(this));
+ return this;
+ },
+ play: function(){
+ return new Effect.Parallel(
+ this.tracks.map(function(track){
+ var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
+ var elements = [$(ids) || $$(ids)].flatten();
+ return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
+ }).flatten(),
+ this.options
+ );
+ }
+});
+
+Element.CSS_PROPERTIES = $w(
+ 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
+ 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
+ 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
+ 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
+ 'fontSize fontWeight height left letterSpacing lineHeight ' +
+ 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
+ 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
+ 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
+ 'right textIndent top width wordSpacing zIndex');
+
+Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
+
+String.__parseStyleElement = document.createElement('div');
+String.prototype.parseStyle = function(){
+ var style, styleRules = $H();
+ if (Prototype.Browser.WebKit)
+ style = new Element('div',{style:this}).style;
+ else {
+ String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
+ style = String.__parseStyleElement.childNodes[0].style;
+ }
+
+ Element.CSS_PROPERTIES.each(function(property){
+ if (style[property]) styleRules.set(property, style[property]);
+ });
+
+ if (Prototype.Browser.IE && this.include('opacity'))
+ styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
+
+ return styleRules;
+};
+
+if (document.defaultView && document.defaultView.getComputedStyle) {
+ Element.getStyles = function(element) {
+ var css = document.defaultView.getComputedStyle($(element), null);
+ return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
+ styles[property] = css[property];
+ return styles;
+ });
+ };
+} else {
+ Element.getStyles = function(element) {
+ element = $(element);
+ var css = element.currentStyle, styles;
+ styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
+ results[property] = css[property];
+ return results;
+ });
+ if (!styles.opacity) styles.opacity = element.getOpacity();
+ return styles;
+ };
+}
projects / selectricity / blobdiff