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effects.explode: rework math used to split the div into peices - split the box disregarding margins

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Fixes #3968 - effects explode: explodes from the right instead of from the center
This commit is contained in:
gnarf 2011-03-11 20:00:36 -06:00
parent 3f8c608691
commit 39dcad6e49
1 changed files with 45 additions and 26 deletions
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71
ui/jquery.effects.explode.js vendored
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@ -18,45 +18,62 @@ $.effects.explode = function( o ) {
var rows = o.pieces ? Math.round(Math.sqrt(o.pieces)) : 3,
cells = rows,
el = $( this ).show().css( 'visibility', 'hidden' ),
el = $( this ),
mode = $.effects.setMode( el, o.mode || 'hide' ),
offset = el.offset(),
width = el.outerWidth( true ),
height = el.outerHeight( true ),
peices = [];
show = ( mode == 'show' ),
//Substract the margins - not fixing the problem yet.
offset.top -= parseInt( el.css( "marginTop" ), 10 ) || 0;
offset.left -= parseInt( el.css( "marginLeft" ), 10 ) || 0;
// show and then visibility:hidden the element before calculating offset
offset = el.show().css( 'visibility', 'hidden' ).offset(),
// width and height of a piece
width = Math.ceil( el.outerWidth() / cells ),
height = Math.ceil( el.outerHeight() / rows ),
peices = [],
i, j, pos;
// clone the element for each row and cell.
for( var i = 0; i < rows ; i++ ) { // =
for( var j = 0; j < cells ; j++ ) { // ||
for( i = 0; i < rows ; i++ ) { // ===>
for( j = 0; j < cells ; j++ ) { // |||
pos = {
// wrapper base position in body
left: offset.left + j * width,
top: offset.top + i * height,
// x position in matrix with 0,0 at the center
rx: j - cells / 2,
ry: i - rows / 2
};
// Create a clone of the now hidden main element that will be absolute positioned
// within a wrapper div off the -left and -top equal to size of our pieces
el
.clone()
.appendTo('body')
.wrap('<div></div>')
.appendTo( 'body' )
.wrap( '<div></div>' )
.css({
position: 'absolute',
visibility: 'visible',
left: -j*(width/cells),
top: -i*(height/rows)
left: -j * width,
top: -i * height
})
// select the wrapper - make it overflow: hidden and absolute positioned based on
// where the original was located +left and +top equal to the size of pieces
.parent()
.addClass('ui-effects-explode')
.addClass( 'ui-effects-explode' )
.css({
position: 'absolute',
overflow: 'hidden',
width: width/cells,
height: height/rows,
left: offset.left + j*(width/cells) + (o.mode == 'show' ? (j-Math.floor(cells/2))*(width/cells) : 0),
top: offset.top + i*(height/rows) + (o.mode == 'show' ? (i-Math.floor(rows/2))*(height/rows) : 0),
opacity: mode == 'show' ? 0 : 1
width: width,
height: height,
left: pos.left + ( show ? pos.rx * width : 0 ),
top: pos.top + ( show ? pos.ry * height : 0 ),
opacity: show ? 0 : 1
}).animate({
left: offset.left + j*(width/cells) + (o.mode == 'show' ? 0 : (j-Math.floor(cells/2))*(width/cells)),
top: offset.top + i*(height/rows) + (o.mode == 'show' ? 0 : (i-Math.floor(rows/2))*(height/rows)),
opacity: mode == 'show' ? 1 : 0
}, o.duration || 500, childComplete );
left: pos.left + ( show ? 0 : pos.rx * width ),
top: pos.top + ( show ? 0 : pos.ry * height ),
opacity: show ? 1 : 0
}, o.duration || 500, o.easing, childComplete );
}
}
@ -69,9 +86,11 @@ $.effects.explode = function( o ) {
}
function animComplete() {
el.css({ visibility: 'visible' });
el.css({
visibility: 'visible'
});
$( peices ).remove();
if ( mode != 'show' ) {
if ( !show ) {
el.hide();
}
if ( $.isFunction( o.complete ) ) {