source: trunk/themes/default/js/ui/jquery.effects.scale.js @ 9172

/*
 * jQuery UI Effects Scale 1.8.9
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Effects/Scale
 *
 * Depends:
 *      jquery.effects.core.js
 */
(function( $, undefined ) {

$.effects.puff = function(o) {
        return this.queue(function() {
                var elem = $(this),
                        mode = $.effects.setMode(elem, o.options.mode || 'hide'),
                        percent = parseInt(o.options.percent, 10) || 150,
                        factor = percent / 100,
                        original = { height: elem.height(), width: elem.width() };

                $.extend(o.options, {
                        fade: true,
                        mode: mode,
                        percent: mode == 'hide' ? percent : 100,
                        from: mode == 'hide'
                                ? original
                                : {
                                        height: original.height * factor,
                                        width: original.width * factor
                                }
                });

                elem.effect('scale', o.options, o.duration, o.callback);
                elem.dequeue();
        });
};

$.effects.scale = function(o) {

        return this.queue(function() {

                // Create element
                var el = $(this);

                // Set options
                var options = $.extend(true, {}, o.options);
                var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
                var percent = parseInt(o.options.percent,10) || (parseInt(o.options.percent,10) == 0 ? 0 : (mode == 'hide' ? 0 : 100)); // Set default scaling percent
                var direction = o.options.direction || 'both'; // Set default axis
                var origin = o.options.origin; // The origin of the scaling
                if (mode != 'effect') { // Set default origin and restore for show/hide
                        options.origin = origin || ['middle','center'];
                        options.restore = true;
                }
                var original = {height: el.height(), width: el.width()}; // Save original
                el.from = o.options.from || (mode == 'show' ? {height: 0, width: 0} : original); // Default from state

                // Adjust
                var factor = { // Set scaling factor
                        y: direction != 'horizontal' ? (percent / 100) : 1,
                        x: direction != 'vertical' ? (percent / 100) : 1
                };
                el.to = {height: original.height * factor.y, width: original.width * factor.x}; // Set to state

                if (o.options.fade) { // Fade option to support puff
                        if (mode == 'show') {el.from.opacity = 0; el.to.opacity = 1;};
                        if (mode == 'hide') {el.from.opacity = 1; el.to.opacity = 0;};
                };

                // Animation
                options.from = el.from; options.to = el.to; options.mode = mode;

                // Animate
                el.effect('size', options, o.duration, o.callback);
                el.dequeue();
        });

};

$.effects.size = function(o) {

        return this.queue(function() {

                // Create element
                var el = $(this), props = ['position','top','bottom','left','right','width','height','overflow','opacity'];
                var props1 = ['position','top','bottom','left','right','overflow','opacity']; // Always restore
                var props2 = ['width','height','overflow']; // Copy for children
                var cProps = ['fontSize'];
                var vProps = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];
                var hProps = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];

                // Set options
                var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
                var restore = o.options.restore || false; // Default restore
                var scale = o.options.scale || 'both'; // Default scale mode
                var origin = o.options.origin; // The origin of the sizing
                var original = {height: el.height(), width: el.width()}; // Save original
                el.from = o.options.from || original; // Default from state
                el.to = o.options.to || original; // Default to state
                // Adjust
                if (origin) { // Calculate baseline shifts
                        var baseline = $.effects.getBaseline(origin, original);
                        el.from.top = (original.height - el.from.height) * baseline.y;
                        el.from.left = (original.width - el.from.width) * baseline.x;
                        el.to.top = (original.height - el.to.height) * baseline.y;
                        el.to.left = (original.width - el.to.width) * baseline.x;
                };
                var factor = { // Set scaling factor
                        from: {y: el.from.height / original.height, x: el.from.width / original.width},
                        to: {y: el.to.height / original.height, x: el.to.width / original.width}
                };
                if (scale == 'box' || scale == 'both') { // Scale the css box
                        if (factor.from.y != factor.to.y) { // Vertical props scaling
                                props = props.concat(vProps);
                                el.from = $.effects.setTransition(el, vProps, factor.from.y, el.from);
                                el.to = $.effects.setTransition(el, vProps, factor.to.y, el.to);
                        };
                        if (factor.from.x != factor.to.x) { // Horizontal props scaling
                                props = props.concat(hProps);
                                el.from = $.effects.setTransition(el, hProps, factor.from.x, el.from);
                                el.to = $.effects.setTransition(el, hProps, factor.to.x, el.to);
                        };
                };
                if (scale == 'content' || scale == 'both') { // Scale the content
                        if (factor.from.y != factor.to.y) { // Vertical props scaling
                                props = props.concat(cProps);
                                el.from = $.effects.setTransition(el, cProps, factor.from.y, el.from);
                                el.to = $.effects.setTransition(el, cProps, factor.to.y, el.to);
                        };
                };
                $.effects.save(el, restore ? props : props1); el.show(); // Save & Show
                $.effects.createWrapper(el); // Create Wrapper
                el.css('overflow','hidden').css(el.from); // Shift

                // Animate
                if (scale == 'content' || scale == 'both') { // Scale the children
                        vProps = vProps.concat(['marginTop','marginBottom']).concat(cProps); // Add margins/font-size
                        hProps = hProps.concat(['marginLeft','marginRight']); // Add margins
                        props2 = props.concat(vProps).concat(hProps); // Concat
                        el.find("*[width]").each(function(){
                                child = $(this);
                                if (restore) $.effects.save(child, props2);
                                var c_original = {height: child.height(), width: child.width()}; // Save original
                                child.from = {height: c_original.height * factor.from.y, width: c_original.width * factor.from.x};
                                child.to = {height: c_original.height * factor.to.y, width: c_original.width * factor.to.x};
                                if (factor.from.y != factor.to.y) { // Vertical props scaling
                                        child.from = $.effects.setTransition(child, vProps, factor.from.y, child.from);
                                        child.to = $.effects.setTransition(child, vProps, factor.to.y, child.to);
                                };
                                if (factor.from.x != factor.to.x) { // Horizontal props scaling
                                        child.from = $.effects.setTransition(child, hProps, factor.from.x, child.from);
                                        child.to = $.effects.setTransition(child, hProps, factor.to.x, child.to);
                                };
                                child.css(child.from); // Shift children
                                child.animate(child.to, o.duration, o.options.easing, function(){
                                        if (restore) $.effects.restore(child, props2); // Restore children
                                }); // Animate children
                        });
                };

                // Animate
                el.animate(el.to, { queue: false, duration: o.duration, easing: o.options.easing, complete: function() {
                        if (el.to.opacity === 0) {
                                el.css('opacity', el.from.opacity);
                        }
                        if(mode == 'hide') el.hide(); // Hide
                        $.effects.restore(el, restore ? props : props1); $.effects.removeWrapper(el); // Restore
                        if(o.callback) o.callback.apply(this, arguments); // Callback
                        el.dequeue();
                }});

        });

};

})(jQuery);