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topicSelect.js
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topicSelect.js
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'use strict';
define('topicSelect', ['components'], function (components) {
var TopicSelect = {};
var lastSelected;
var topicsContainer;
TopicSelect.init = function (onSelect) {
topicsContainer = $('[component="category"]');
topicsContainer.on('selectstart', '[component="topic/select"]', function (ev) {
ev.preventDefault();
});
topicsContainer.on('click', '[component="topic/select"]', function (ev) {
var select = $(this);
if (ev.shiftKey) {
selectRange($(this).parents('[component="category/topic"]').attr('data-tid'));
lastSelected = select;
return false;
}
var isSelected = select.parents('[data-tid]').hasClass('selected');
toggleSelect(select, !isSelected);
lastSelected = select;
if (typeof onSelect === 'function') {
onSelect();
}
});
};
function toggleSelect(select, isSelected) {
select.toggleClass('fa-check-square-o', isSelected);
select.toggleClass('fa-square-o', !isSelected);
select.parents('[component="category/topic"]').toggleClass('selected', isSelected);
}
TopicSelect.getSelectedTids = function () {
var tids = [];
topicsContainer.find('[component="category/topic"].selected').each(function () {
tids.push($(this).attr('data-tid'));
});
return tids;
};
TopicSelect.unselectAll = function () {
topicsContainer.find('[component="category/topic"].selected').removeClass('selected');
topicsContainer.find('[component="topic/select"]').toggleClass('fa-check-square-o', false).toggleClass('fa-square-o', true);
};
function selectRange(clickedTid) {
if(!lastSelected) {
lastSelected = $('[component="category/topic"]').first().find('[component="topic/select"]');
}
var isClickedSelected = components.get('category/topic', 'tid', clickedTid).hasClass('selected');
var clickedIndex = getIndex(clickedTid);
var lastIndex = getIndex(lastSelected.parents('[component="category/topic"]').attr('data-tid'));
selectIndexRange(clickedIndex, lastIndex, !isClickedSelected);
}
function selectIndexRange(start, end, isSelected) {
if (start > end) {
var tmp = start;
start = end;
end = tmp;
}
for(var i = start; i <= end; i += 1) {
var topic = $('[component="category/topic"]').eq(i);
toggleSelect(topic.find('[component="topic/select"]'), isSelected);
}
}
function getIndex(tid) {
return components.get('category/topic', 'tid', tid).index('[component="category/topic"]');
}
return TopicSelect;
});