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Make deck.change preventable, closes #48

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imakewebthings 2011-10-25 16:42:39 +08:00
parent a68f7e2e1b
commit 75a07a7aa8
2 changed files with 16 additions and 4 deletions
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13
core/deck.core.js
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@ -25,7 +25,8 @@ that use the API provided by core.
This event fires whenever the current slide changes, whether by way of
next, prev, or go. The callback function is passed two parameters, from
and to, equal to the indices of the old slide and the new slide
respectively.
respectively. If preventDefault is called on the event within this handler
the slide change does not occur.
$(document).bind('deck.change', function(event, from, to) {
alert('Moving from slide ' + from + ' to ' + to);
@ -249,11 +250,15 @@ that use the API provided by core.
or not a number the call is ignored.
*/
go: function(index) {
var e = $.Event(events.change);
if (typeof index != 'number' || index < 0 || index >= slides.length) return;
$d.trigger(events.change, [current, index]);
current = index;
updateStates();
$d.trigger(e, [current, index]);
if (!e.isDefaultPrevented()) {
current = index;
updateStates();
}
},
/*

7
test/spec.core.js
View file

@ -271,6 +271,13 @@ describe('Deck JS', function() {
$.deck('go', 3);
$d.unbind('deck.change', f);
});
it('should not change slides if default prevented', function() {
$d.bind('deck.change', false);
$.deck('go', 3);
expect($.deck('getSlide')).toEqual($.deck('getSlide', 1));
$d.unbind('deck.change', false);
});
});
describe('deck.init', function() {