2 * jQuery UI Selectable 1.10.3
5 * Copyright 2013 jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
9 * http://api.jqueryui.com/selectable/
16 (function( $, undefined ) {
18 $.widget("ui.selectable", $.ui.mouse, {
39 this.element.addClass("ui-selectable");
43 // cache selectee children based on filter
44 this.refresh = function() {
45 selectees = $(that.options.filter, that.element[0]);
46 selectees.addClass("ui-selectee");
47 selectees.each(function() {
50 $.data(this, "selectable-item", {
55 right: pos.left + $this.outerWidth(),
56 bottom: pos.top + $this.outerHeight(),
58 selected: $this.hasClass("ui-selected"),
59 selecting: $this.hasClass("ui-selecting"),
60 unselecting: $this.hasClass("ui-unselecting")
66 this.selectees = selectees.addClass("ui-selectee");
70 this.helper = $("<div class='ui-selectable-helper'></div>");
73 _destroy: function() {
75 .removeClass("ui-selectee")
76 .removeData("selectable-item");
78 .removeClass("ui-selectable ui-selectable-disabled");
82 _mouseStart: function(event) {
84 options = this.options;
86 this.opos = [event.pageX, event.pageY];
88 if (this.options.disabled) {
92 this.selectees = $(options.filter, this.element[0]);
94 this._trigger("start", event);
96 $(options.appendTo).append(this.helper);
97 // position helper (lasso)
105 if (options.autoRefresh) {
109 this.selectees.filter(".ui-selected").each(function() {
110 var selectee = $.data(this, "selectable-item");
111 selectee.startselected = true;
112 if (!event.metaKey && !event.ctrlKey) {
113 selectee.$element.removeClass("ui-selected");
114 selectee.selected = false;
115 selectee.$element.addClass("ui-unselecting");
116 selectee.unselecting = true;
117 // selectable UNSELECTING callback
118 that._trigger("unselecting", event, {
119 unselecting: selectee.element
124 $(event.target).parents().addBack().each(function() {
126 selectee = $.data(this, "selectable-item");
128 doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected");
130 .removeClass(doSelect ? "ui-unselecting" : "ui-selected")
131 .addClass(doSelect ? "ui-selecting" : "ui-unselecting");
132 selectee.unselecting = !doSelect;
133 selectee.selecting = doSelect;
134 selectee.selected = doSelect;
135 // selectable (UN)SELECTING callback
137 that._trigger("selecting", event, {
138 selecting: selectee.element
141 that._trigger("unselecting", event, {
142 unselecting: selectee.element
151 _mouseDrag: function(event) {
155 if (this.options.disabled) {
161 options = this.options,
167 if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; }
168 if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; }
169 this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1});
171 this.selectees.each(function() {
172 var selectee = $.data(this, "selectable-item"),
175 //prevent helper from being selected if appendTo: selectable
176 if (!selectee || selectee.element === that.element[0]) {
180 if (options.tolerance === "touch") {
181 hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
182 } else if (options.tolerance === "fit") {
183 hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
188 if (selectee.selected) {
189 selectee.$element.removeClass("ui-selected");
190 selectee.selected = false;
192 if (selectee.unselecting) {
193 selectee.$element.removeClass("ui-unselecting");
194 selectee.unselecting = false;
196 if (!selectee.selecting) {
197 selectee.$element.addClass("ui-selecting");
198 selectee.selecting = true;
199 // selectable SELECTING callback
200 that._trigger("selecting", event, {
201 selecting: selectee.element
206 if (selectee.selecting) {
207 if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
208 selectee.$element.removeClass("ui-selecting");
209 selectee.selecting = false;
210 selectee.$element.addClass("ui-selected");
211 selectee.selected = true;
213 selectee.$element.removeClass("ui-selecting");
214 selectee.selecting = false;
215 if (selectee.startselected) {
216 selectee.$element.addClass("ui-unselecting");
217 selectee.unselecting = true;
219 // selectable UNSELECTING callback
220 that._trigger("unselecting", event, {
221 unselecting: selectee.element
225 if (selectee.selected) {
226 if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
227 selectee.$element.removeClass("ui-selected");
228 selectee.selected = false;
230 selectee.$element.addClass("ui-unselecting");
231 selectee.unselecting = true;
232 // selectable UNSELECTING callback
233 that._trigger("unselecting", event, {
234 unselecting: selectee.element
244 _mouseStop: function(event) {
247 this.dragged = false;
249 $(".ui-unselecting", this.element[0]).each(function() {
250 var selectee = $.data(this, "selectable-item");
251 selectee.$element.removeClass("ui-unselecting");
252 selectee.unselecting = false;
253 selectee.startselected = false;
254 that._trigger("unselected", event, {
255 unselected: selectee.element
258 $(".ui-selecting", this.element[0]).each(function() {
259 var selectee = $.data(this, "selectable-item");
260 selectee.$element.removeClass("ui-selecting").addClass("ui-selected");
261 selectee.selecting = false;
262 selectee.selected = true;
263 selectee.startselected = true;
264 that._trigger("selected", event, {
265 selected: selectee.element
268 this._trigger("stop", event);
270 this.helper.remove();