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/** |
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* @package assets |
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*/ |
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(function($, Symphony) { |
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/** |
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* Create orderable elements. |
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* |
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* @name $.symphonyOrderable |
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* @class |
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* |
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* @param {Object} options An object specifying containing the attributes specified below |
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* @param {String} [options.items='li'] Selector to find items to be orderable |
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* @param {String} [options.handles='*'] Selector to find children that can be grabbed to re-order |
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* @param {String} [options.ignore='input, textarea, select'] Selector to find elements that should not propagate to the handle |
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* @param {Integer} [options.delay=250] Time used to delay actions |
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* |
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* @example |
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$('table').symphonyOrderable({ |
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items: 'tr', |
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handles: 'td' |
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}); |
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*/ |
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$.fn.symphonyOrderable = function(options) { |
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var objects = this, |
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settings = { |
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items: 'li', |
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handles: '*', |
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ignore: 'input, textarea, select, a', |
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delay: 250 |
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}; |
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$.extend(settings, options); |
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/*------------------------------------------------------------------------- |
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Events |
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-------------------------------------------------------------------------*/ |
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// Start ordering |
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objects.on('mousedown.orderable', settings.items + ' ' + settings.handles, function startOrdering(event) { |
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var handle = $(this), |
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item = handle.parents(settings.items), |
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object = handle.parents('.orderable'); |
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// Needed to prevent browsers from selecting texts and focusing textinputs |
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if(!$(event.target).is('input, textarea')) { |
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event.preventDefault(); |
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} |
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if(!handle.is(settings.ignore) && !$(event.target).is(settings.ignore)) { |
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object.data('ordering', 1); |
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// Highlight item |
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if(object.is('.selectable, .collapsible')) { |
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// Delay ordering to avoid conflicts with scripts bound to the click event |
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setTimeout(function() { |
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if(object.data('ordering') == 1) { |
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object.trigger('orderstart.orderable', [item]); |
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item.addClass('ordering'); |
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} |
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}, settings.delay); |
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} |
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else { |
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object.trigger('orderstart.orderable', [item]); |
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item.addClass('ordering'); |
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} |
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} |
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}); |
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// Stop ordering |
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objects.on('mouseup.orderable mouseleave.orderable', function stopOrdering(event) { |
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var object = $(this), |
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item; |
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if(object.data('ordering') == 1) { |
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item = object.find('.ordering'); |
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item.removeClass('ordering'); |
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object.data('ordering', 0); |
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object.trigger('orderstop.orderable', [item]); |
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// Lock item to avoid conflicts with scripts bound to the click event |
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object.trigger('orderstoplock.orderable', [item]); |
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item.addClass('locked'); |
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setTimeout(function() { |
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item.removeClass('locked'); |
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object.trigger('orderstopunlock.orderable', [item]); |
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}, settings.delay); |
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} |
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}); |
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// Order items |
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$(document).on('mousemove.orderable', '.orderable:has(.ordering)', function order(event) { |
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var object = $(this); |
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if (object.data('ordering') != 1) { |
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return; |
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} |
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// Only keep what we need from event object |
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var pageY = event.pageY; |
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Symphony.Utilities.requestAnimationFrame(function () { |
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var item = object.find('.ordering'); |
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// If there is still an ordering item in DOM |
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if (!item.length) { |
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return; |
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} |
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var top = item.offset().top, |
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bottom = top + item.outerHeight(), |
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prev, next; |
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// Remove text ranges |
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if(window.getSelection) { |
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window.getSelection().removeAllRanges(); |
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} |
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// Move item up |
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if(pageY < top) { |
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prev = item.prev(settings.items); |
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if(prev.length > 0) { |
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item.insertBefore(prev); |
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object.trigger('orderchange', [item]); |
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} |
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} |
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// Move item down |
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else if(pageY > bottom) { |
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next = item.next(settings.items); |
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if(next.length > 0) { |
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item.insertAfter(next); |
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object.trigger('orderchange', [item]); |
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} |
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} |
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}); |
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}); |
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/*------------------------------------------------------------------------- |
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Initialisation |
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-------------------------------------------------------------------------*/ |
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// Make orderable |
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objects.addClass('orderable'); |
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/*-----------------------------------------------------------------------*/ |
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return objects; |
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}; |
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})(window.jQuery, window.Symphony); |
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symphonycms /
symphony-2
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