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Add update option. #3

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Add update option. #3

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61 changes: 43 additions & 18 deletions listgroup.js
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Original file line number Diff line number Diff line change
Expand Up @@ -116,23 +116,7 @@
if ($select.attr('multiple'))
$listGroup.attr('data-toggle', 'items');

$select.find('option').each(function (i, item) {
var $item = $(item);

var $new = $('<a>')
.attr('href', '#')
.addClass('list-group-item')
.attr('data-value', $item.val())
.text($item.text());

if ($item.is(':disabled'))
$new.addClass('disabled');

if ($item.css('display') === 'none')
$new.addClass('hidden');

$listGroup.append($new);
});
this.duplicateOptions($select, $listGroup);

$select.change(function () {
$listGroup.listgroup({
Expand Down Expand Up @@ -160,6 +144,45 @@

return $listGroup;
};

/**
* Update the listgroup. It is useful when you update the select element and you want to copy the options
* in the listgroup.
*/
SelectList.prototype.update = function() {
var $select = this.$element;

//Remove old values
var $listGroup = this.$element.data('listgroup').$listGroup;
$listGroup.empty();

this.duplicateOptions($select, $listGroup);
}

/**
* Duplicates the options from the select element to the listgroup.
* @param $select The jQuery select object.
* @param $listGroup The jQuery listgroup object.
*/
SelectList.prototype.duplicateOptions = function($select, $listGroup) {
$select.find('option').each(function (i, item) {
var $item = $(item);

var $new = $('<a>')
.attr('href', '#')
.addClass('list-group-item')
.attr('data-value', $item.val())
.text($item.text());

if ($item.is(':disabled'))
$new.addClass('disabled');

if ($item.css('display') === 'none')
$new.addClass('hidden');

$listGroup.append($new);
});
}


// LIST GROUP PLUGIN DEFINITION
Expand All @@ -175,12 +198,14 @@
: new ListGroup(element, option)));

if (option) {

if (option.unselect)
list.unselect(option.unselect);

if (option.select)
list.select(option.select);

if (option == "update")
list.update();
}
});
};
Expand Down
17 changes: 17 additions & 0 deletions test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -232,4 +232,21 @@

equal($listgroup.find('.list-group-item.active').length, 0, 'all item are unselected')
})

test('should update listgroup after select is updated and the update option is called', function () {
var $select = $('<select>_</select>')
.append('<option value="1" selected>foo</option>')
.append('<option value="2" selected>foo</option>')
.listgroup()

var $listgroup = $select.siblings('.list-group')

$select.empty();

$select.append('<option value="3" >foo</option>');

$select.listgroup('update');

equal($listgroup.find('.list-group-item').length, 1, 'items are updated')
})
})