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/* |
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* jQuery UI Selectable 1.7.2 |
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* |
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* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about) |
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* Dual licensed under the MIT (MIT-LICENSE.txt) |
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* and GPL (GPL-LICENSE.txt) licenses. |
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* |
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* http://docs.jquery.com/UI/Selectables |
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* |
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* Depends: |
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* ui.core.js |
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*/ |
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(function($) { |
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|
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$.widget("ui.selectable", $.extend({}, $.ui.mouse, { |
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|
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_init: function() { |
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var self = this; |
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|
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this.element.addClass("ui-selectable"); |
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|
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this.dragged = false; |
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|
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// cache selectee children based on filter |
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var selectees; |
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this.refresh = function() { |
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selectees = $(self.options.filter, self.element[0]); |
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selectees.each(function() { |
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var $this = $(this); |
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var pos = $this.offset(); |
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$.data(this, "selectable-item", { |
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element: this, |
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$element: $this, |
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left: pos.left, |
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top: pos.top, |
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right: pos.left + $this.outerWidth(), |
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bottom: pos.top + $this.outerHeight(), |
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startselected: false, |
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selected: $this.hasClass('ui-selected'), |
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selecting: $this.hasClass('ui-selecting'), |
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unselecting: $this.hasClass('ui-unselecting') |
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}); |
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}); |
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}; |
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this.refresh(); |
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|
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this.selectees = selectees.addClass("ui-selectee"); |
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|
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this._mouseInit(); |
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|
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this.helper = $(document.createElement('div')) |
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.css({border:'1px dotted black'}) |
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.addClass("ui-selectable-helper"); |
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}, |
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|
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destroy: function() { |
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this.element |
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.removeClass("ui-selectable ui-selectable-disabled") |
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.removeData("selectable") |
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.unbind(".selectable"); |
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this._mouseDestroy(); |
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}, |
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|
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_mouseStart: function(event) { |
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var self = this; |
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|
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this.opos = [event.pageX, event.pageY]; |
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|
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if (this.options.disabled) |
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return; |
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|
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var options = this.options; |
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|
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this.selectees = $(options.filter, this.element[0]); |
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|
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this._trigger("start", event); |
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|
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$(options.appendTo).append(this.helper); |
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// position helper (lasso) |
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this.helper.css({ |
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"z-index": 100, |
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"position": "absolute", |
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"left": event.clientX, |
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"top": event.clientY, |
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"width": 0, |
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"height": 0 |
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}); |
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|
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if (options.autoRefresh) { |
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this.refresh(); |
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} |
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|
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this.selectees.filter('.ui-selected').each(function() { |
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var selectee = $.data(this, "selectable-item"); |
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selectee.startselected = true; |
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if (!event.metaKey) { |
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selectee.$element.removeClass('ui-selected'); |
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selectee.selected = false; |
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selectee.$element.addClass('ui-unselecting'); |
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selectee.unselecting = true; |
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// selectable UNSELECTING callback |
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self._trigger("unselecting", event, { |
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unselecting: selectee.element |
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}); |
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} |
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}); |
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|
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$(event.target).parents().andSelf().each(function() { |
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var selectee = $.data(this, "selectable-item"); |
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if (selectee) { |
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selectee.$element.removeClass("ui-unselecting").addClass('ui-selecting'); |
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selectee.unselecting = false; |
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selectee.selecting = true; |
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selectee.selected = true; |
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// selectable SELECTING callback |
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self._trigger("selecting", event, { |
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selecting: selectee.element |
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}); |
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return false; |
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} |
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}); |
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|
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}, |
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|
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_mouseDrag: function(event) { |
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var self = this; |
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this.dragged = true; |
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|
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if (this.options.disabled) |
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return; |
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|
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var options = this.options; |
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|
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var x1 = this.opos[0], y1 = this.opos[1], x2 = event.pageX, y2 = event.pageY; |
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if (x1 > x2) { var tmp = x2; x2 = x1; x1 = tmp; } |
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if (y1 > y2) { var tmp = y2; y2 = y1; y1 = tmp; } |
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this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1}); |
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|
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this.selectees.each(function() { |
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var selectee = $.data(this, "selectable-item"); |
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//prevent helper from being selected if appendTo: selectable |
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if (!selectee || selectee.element == self.element[0]) |
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return; |
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var hit = false; |
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if (options.tolerance == 'touch') { |
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hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) ); |
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} else if (options.tolerance == 'fit') { |
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hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2); |
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} |
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|
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if (hit) { |
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// SELECT |
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if (selectee.selected) { |
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selectee.$element.removeClass('ui-selected'); |
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selectee.selected = false; |
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} |
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if (selectee.unselecting) { |
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selectee.$element.removeClass('ui-unselecting'); |
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selectee.unselecting = false; |
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} |
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if (!selectee.selecting) { |
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selectee.$element.addClass('ui-selecting'); |
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selectee.selecting = true; |
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// selectable SELECTING callback |
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self._trigger("selecting", event, { |
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selecting: selectee.element |
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}); |
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} |
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} else { |
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// UNSELECT |
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if (selectee.selecting) { |
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if (event.metaKey && selectee.startselected) { |
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selectee.$element.removeClass('ui-selecting'); |
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selectee.selecting = false; |
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selectee.$element.addClass('ui-selected'); |
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selectee.selected = true; |
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} else { |
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selectee.$element.removeClass('ui-selecting'); |
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selectee.selecting = false; |
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if (selectee.startselected) { |
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selectee.$element.addClass('ui-unselecting'); |
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selectee.unselecting = true; |
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} |
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// selectable UNSELECTING callback |
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self._trigger("unselecting", event, { |
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unselecting: selectee.element |
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}); |
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} |
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} |
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if (selectee.selected) { |
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if (!event.metaKey && !selectee.startselected) { |
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selectee.$element.removeClass('ui-selected'); |
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selectee.selected = false; |
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|
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selectee.$element.addClass('ui-unselecting'); |
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selectee.unselecting = true; |
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// selectable UNSELECTING callback |
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self._trigger("unselecting", event, { |
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unselecting: selectee.element |
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}); |
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} |
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} |
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} |
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}); |
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|
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return false; |
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}, |
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|
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_mouseStop: function(event) { |
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var self = this; |
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|
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this.dragged = false; |
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|
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var options = this.options; |
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|
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$('.ui-unselecting', this.element[0]).each(function() { |
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var selectee = $.data(this, "selectable-item"); |
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selectee.$element.removeClass('ui-unselecting'); |
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selectee.unselecting = false; |
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selectee.startselected = false; |
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self._trigger("unselected", event, { |
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unselected: selectee.element |
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}); |
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}); |
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$('.ui-selecting', this.element[0]).each(function() { |
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var selectee = $.data(this, "selectable-item"); |
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selectee.$element.removeClass('ui-selecting').addClass('ui-selected'); |
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selectee.selecting = false; |
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selectee.selected = true; |
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selectee.startselected = true; |
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self._trigger("selected", event, { |
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selected: selectee.element |
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}); |
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}); |
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this._trigger("stop", event); |
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|
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this.helper.remove(); |
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|
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return false; |
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} |
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|
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})); |
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|
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$.extend($.ui.selectable, { |
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version: "1.7.2", |
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defaults: { |
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appendTo: 'body', |
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autoRefresh: true, |
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cancel: ":input,option", |
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delay: 0, |
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distance: 0, |
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filter: '*', |
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tolerance: 'touch' |
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} |
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}); |
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|
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})(jQuery); |
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|
