jquery-ui/ui/jquery.effects.scale.js

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/*
* jQuery UI Effects Scale @VERSION
*
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* 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.effect.puff = function( o ) {
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return this.queue( function() {
var elem = $( this ),
mode = $.effects.setMode( elem, o.mode || 'hide' ),
percent = parseInt( o.percent, 10 ) || 150,
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factor = percent / 100,
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original = {
height: elem.height(),
width: elem.width()
};
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$.extend(o, {
effect: 'scale',
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fade: true,
mode: mode,
percent: mode == 'hide' ? percent : 100,
from: mode == 'hide'
? original
: {
height: original.height * factor,
width: original.width * factor
}
});
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elem.effect( o ).dequeue();
});
};
$.effects.effect.scale = function( o ) {
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return this.queue( function() {
// Create element
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var el = $( this ),
options = $.extend( true, {}, o ),
mode = $.effects.setMode( el, o.mode || 'effect' ),
percent = parseInt( o.percent, 10 ) || ( parseInt( o.percent, 10 ) == 0 ? 0 : ( mode == 'hide' ? 0 : 100 ) ),
direction = o.direction || 'both',
origin = o.origin,
original = {
height: el.height(),
width: el.width()
},
factor = {
y: direction != 'horizontal' ? (percent / 100) : 1,
x: direction != 'vertical' ? (percent / 100) : 1
};
// We are going to pass this effect to the size effect:
options.effect = "size";
// Set default origin and restore for show/hide
if ( mode != 'effect' ) {
options.origin = origin || ['middle','center'];
options.restore = true;
}
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options.from = o.from || ( mode == 'show' ? { height: 0, width: 0 } : original );
options.to = {
height: original.height * factor.y,
width: original.width * factor.x
};
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if ( options.fade ) { // Fade option to support puff
if ( mode == 'show' ) {
options.from.opacity = 0;
options.to.opacity = 1;
}
if ( mode == 'hide' ) {
options.from.opacity = 1;
options.to.opacity = 0;
}
};
// Animate
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el.effect(options).dequeue();
});
};
$.effects.effect.size = function( o ) {
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return this.queue( function() {
// Create element
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var el = $( this ),
props = [ 'position', 'top', 'bottom', 'left', 'right', 'width', 'height', 'overflow', 'opacity' ],
// Always restore
props1 = [ 'position', 'top', 'bottom', 'left', 'right', 'overflow', 'opacity' ],
// Copy for children
props2 = [ 'width', 'height', 'overflow' ],
cProps = [ 'fontSize' ],
vProps = [ 'borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom' ],
hProps = [ 'borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight' ],
// Set options
mode = $.effects.setMode( el, o.mode || 'effect' ),
restore = o.restore || false,
scale = o.scale || 'both',
origin = o.origin,
original = {
height: el.height(),
width: el.width()
},
baseline, factor;
el.from = o.from || original;
el.to = o.to || original;
// Adjust
if (origin) { // Calculate baseline shifts
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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;
}
// Set scaling factor
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
}
};
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// Scale the css box
if ( scale == 'box' || scale == 'both' ) {
// Vertical props scaling
if ( factor.from.y != factor.to.y ) {
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 );
};
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// Horizontal props scaling
if ( factor.from.x != factor.to.x ) {
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 );
};
};
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// Scale the content
if ( scale == 'content' || scale == 'both' ) {
// Vertical props scaling
if ( factor.from.y != factor.to.y ) {
props = props.concat( cProps );
el.from = $.effects.setTransition( el, cProps, factor.from.y, el.from );
el.to = $.effects.setTransition( el, cProps, factor.to.y, el.to );
};
};
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$.effects.save( el, restore ? props : props1 );
el.show();
$.effects.createWrapper( el );
el.css( 'overflow', 'hidden' ).css( el.from );
// Animate
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if ( scale == 'content' || scale == 'both' ) { // Scale the children
// Add margins/font-size
vProps = vProps.concat([ 'marginTop', 'marginBottom' ]).concat(cProps);
hProps = hProps.concat([ 'marginLeft', 'marginRight' ]);
props2 = props.concat(vProps).concat(hProps);
el.find( "*[width]" ).each( function(){
var child = $( this ),
c_original = {
height: child.height(),
width: child.width()
};
if (restore) $.effects.save(child, props2);
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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
};
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// Vertical props scaling
if ( factor.from.y != factor.to.y ) {
child.from = $.effects.setTransition( child, vProps, factor.from.y, child.from );
child.to = $.effects.setTransition( child, vProps, factor.to.y, child.to );
};
// Horizontal props scaling
if ( factor.from.x != factor.to.x ) {
child.from = $.effects.setTransition( child, hProps, factor.from.x, child.from );
child.to = $.effects.setTransition( child, hProps, factor.to.x, child.to );
};
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// Animate children
child.css( child.from );
child.animate( child.to, o.duration, o.easing, function() {
// Restore children
if (restore) $.effects.restore( child, props2 );
});
});
};
// Animate
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el.animate( el.to, {
queue: false,
duration: o.duration,
easing: o.easing,
complete: function() {
if ( el.to.opacity === 0 ) {
el.css( 'opacity', el.from.opacity );
}
if( mode == 'hide' ) {
el.hide();
}
$.effects.restore( el, restore ? props : props1 );
$.effects.removeWrapper( el );
$.isFunction( o.complete ) && o.complete.apply( this, arguments ); // Callback
el.dequeue();
}
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});
});
};
})(jQuery);