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12 | 12 | * http://www.opensource.org/licenses/mit-license.php
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13 | 13 | * http://www.gnu.org/licenses/gpl.html
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14 | 14 | *
|
15 |
| -*/ |
16 |
| -(function($){ |
17 |
| - var rEscape = /[\-\[\]{}()*+?.,\\\^$|#\s]/g; |
18 |
| - |
19 |
| - $.widget("ech.multiselectfilter", { |
20 |
| - |
21 |
| - options: { |
22 |
| - label: "Filter:", |
23 |
| - width: null, /* override default width set in css file (px). null will inherit */ |
24 |
| - placeholder: "Enter keywords", |
25 |
| - autoReset: false |
26 |
| - }, |
27 |
| - |
28 |
| - _create: function(){ |
29 |
| - var self = this, |
30 |
| - opts = this.options, |
31 |
| - instance = (this.instance = $(this.element).data("multiselect")), |
32 |
| - |
33 |
| - // store header; add filter class so the close/check all/uncheck all links can be positioned correctly |
34 |
| - header = (this.header = instance.menu.find(".ui-multiselect-header").addClass("ui-multiselect-hasfilter")), |
35 |
| - |
36 |
| - // wrapper elem |
37 |
| - wrapper = (this.wrapper = $('<div class="ui-multiselect-filter">'+(opts.label.length ? opts.label : '')+'<input placeholder="'+opts.placeholder+'" type="search"' + (/\d/.test(opts.width) ? 'style="width:'+opts.width+'px"' : '') + ' /></div>').prependTo( this.header )); |
38 |
| - |
39 |
| - // reference to the actual inputs |
40 |
| - this.inputs = instance.menu.find('input[type="checkbox"], input[type="radio"]'); |
41 |
| - |
42 |
| - // build the input box |
43 |
| - this.input = wrapper |
44 |
| - .find("input") |
45 |
| - .bind({ |
46 |
| - keydown: function( e ){ |
47 |
| - // prevent the enter key from submitting the form / closing the widget |
48 |
| - if( e.which === 13 ){ |
49 |
| - e.preventDefault(); |
50 |
| - } |
51 |
| - }, |
52 |
| - keyup: $.proxy(self._handler, self), |
53 |
| - click: $.proxy(self._handler, self) |
54 |
| - }); |
55 |
| - |
56 |
| - // cache input values for searching |
57 |
| - this.updateCache(); |
58 |
| - |
59 |
| - // rewrite internal _toggleChecked fn so that when checkAll/uncheckAll is fired, |
60 |
| - // only the currently filtered elements are checked |
61 |
| - instance._toggleChecked = function(flag, group){ |
62 |
| - var $inputs = (group && group.length) ? group : this.labels.find('input'); |
63 |
| - var _self = this; |
| 15 | + */ |
| 16 | +(function($) { |
| 17 | + var rEscape = /[\-\[\]{}()*+?.,\\\^$|#\s]/g; |
| 18 | + |
| 19 | + $.widget('ech.multiselectfilter', { |
| 20 | + |
| 21 | + options: { |
| 22 | + label: 'Filter:', |
| 23 | + width: null, /* override default width set in css file (px). null will inherit */ |
| 24 | + placeholder: 'Enter keywords', |
| 25 | + autoReset: false |
| 26 | + }, |
| 27 | + |
| 28 | + _create: function() { |
| 29 | + var opts = this.options; |
| 30 | + |
| 31 | + // get the multiselect instance |
| 32 | + var instance = (this.instance = $(this.element).data('multiselect')); |
| 33 | + |
| 34 | + // store header; add filter class so the close/check all/uncheck all links can be positioned correctly |
| 35 | + var header = (this.header = instance.menu.find('.ui-multiselect-header').addClass('ui-multiselect-hasfilter')); |
| 36 | + |
| 37 | + // wrapper elem |
| 38 | + var wrapper = (this.wrapper = $('<div class="ui-multiselect-filter">' + (opts.label.length ? opts.label : '') + '<input placeholder="'+opts.placeholder+'" type="search"' + (/\d/.test(opts.width) ? 'style="width:'+opts.width+'px"' : '') + ' /></div>').prependTo(this.header)); |
| 39 | + |
| 40 | + // reference to the actual inputs |
| 41 | + this.inputs = instance.menu.find('input[type="checkbox"], input[type="radio"]'); |
| 42 | + |
| 43 | + // build the input box |
| 44 | + this.input = wrapper.find('input').bind({ |
| 45 | + keydown: function(e) { |
| 46 | + // prevent the enter key from submitting the form / closing the widget |
| 47 | + if(e.which === 13) { |
| 48 | + e.preventDefault(); |
| 49 | + } |
| 50 | + }, |
| 51 | + keyup: $.proxy(this._handler, this), |
| 52 | + click: $.proxy(this._handler, this) |
| 53 | + }); |
| 54 | + |
| 55 | + // cache input values for searching |
| 56 | + this.updateCache(); |
| 57 | + |
| 58 | + // rewrite internal _toggleChecked fn so that when checkAll/uncheckAll is fired, |
| 59 | + // only the currently filtered elements are checked |
| 60 | + instance._toggleChecked = function(flag, group) { |
| 61 | + var $inputs = (group && group.length) ? group : this.labels.find('input'); |
| 62 | + |
64 | 63 | // do not include hidden elems if the menu isn't open.
|
65 |
| - var selector = self.instance._isOpen ? ":disabled, :hidden" : ":disabled"; |
66 |
| - |
67 |
| - $inputs = $inputs |
68 |
| - .not( selector ) |
69 |
| - .each(this._toggleState('checked', flag)); |
70 |
| - |
71 |
| - // update text |
72 |
| - this.update(); |
73 |
| - |
| 64 | + var selector = instance._isOpen ? ':disabled, :hidden' : ':disabled'; |
| 65 | + |
| 66 | + $inputs = $inputs |
| 67 | + .not(selector) |
| 68 | + .each(this._toggleState('checked', flag)); |
| 69 | + |
| 70 | + // update text |
| 71 | + this.update(); |
| 72 | + |
74 | 73 | // gather an array of the values that actually changed
|
75 |
| - var values = $inputs.map(function(){ |
76 |
| - return this.value; |
77 |
| - }).get(); |
78 |
| - |
79 |
| - // select option tags |
80 |
| - this.element |
81 |
| - .find('option') |
82 |
| - .filter(function(){ |
83 |
| - if( !this.disabled && $.inArray(this.value, values) > -1 ){ |
84 |
| - _self._toggleState('selected', flag).call( this ); |
85 |
| - } |
86 |
| - }); |
| 74 | + var values = $inputs.map(function() { |
| 75 | + return this.value; |
| 76 | + }).get(); |
| 77 | + |
| 78 | + // select option tags |
| 79 | + this.element.find('option').filter(function() { |
| 80 | + if(!this.disabled && $.inArray(this.value, values) > -1) { |
| 81 | + _self._toggleState('selected', flag).call(this); |
| 82 | + } |
| 83 | + }); |
87 | 84 |
|
88 | 85 | // trigger the change event on the select
|
89 | 86 | if($inputs.length) {
|
90 |
| - this.element.trigger("change"); |
| 87 | + this.element.trigger('change'); |
| 88 | + } |
| 89 | + }; |
| 90 | + |
| 91 | + // rebuild cache when multiselect is updated |
| 92 | + var doc = $(document).bind('multiselectrefresh', $.proxy(function() { |
| 93 | + this.updateCache(); |
| 94 | + this._handler(); |
| 95 | + }, this)); |
| 96 | + |
| 97 | + // automatically reset the widget on close? |
| 98 | + if(this.options.autoReset) { |
| 99 | + doc.bind('multiselectclose', $.proxy(this._reset, this)); |
| 100 | + } |
| 101 | + }, |
| 102 | + |
| 103 | + // thx for the logic here ben alman |
| 104 | + _handler: function(e) { |
| 105 | + var term = $.trim(this.input[0].value.toLowerCase()), |
| 106 | + |
| 107 | + // speed up lookups |
| 108 | + rows = this.rows, inputs = this.inputs, cache = this.cache; |
| 109 | + |
| 110 | + if(!term) { |
| 111 | + rows.show(); |
| 112 | + } else { |
| 113 | + rows.hide(); |
| 114 | + |
| 115 | + var regex = new RegExp(term.replace(rEscape, "\\$&"), 'gi'); |
| 116 | + |
| 117 | + this._trigger("filter", e, $.map(cache, function(v, i) { |
| 118 | + if(v.search(regex) !== -1) { |
| 119 | + rows.eq(i).show(); |
| 120 | + return inputs.get(i); |
| 121 | + } |
| 122 | + |
| 123 | + return null; |
| 124 | + })); |
| 125 | + } |
| 126 | + |
| 127 | + // show/hide optgroups |
| 128 | + this.instance.menu.find(".ui-multiselect-optgroup-label").each(function() { |
| 129 | + var $this = $(this); |
| 130 | + var isVisible = $this.nextUntil('.ui-multiselect-optgroup-label').filter(function() { |
| 131 | + return $.css(this, "display") !== 'none'; |
| 132 | + }).length; |
| 133 | + |
| 134 | + $this[isVisible ? 'show' : 'hide'](); |
| 135 | + }); |
| 136 | + }, |
| 137 | + |
| 138 | + _reset: function() { |
| 139 | + this.input.val('').trigger('keyup'); |
| 140 | + }, |
| 141 | + |
| 142 | + updateCache: function() { |
| 143 | + // each list item |
| 144 | + this.rows = this.instance.menu.find(".ui-multiselect-checkboxes li:not(.ui-multiselect-optgroup-label)"); |
| 145 | + |
| 146 | + // cache |
| 147 | + this.cache = this.element.children().map(function() { |
| 148 | + var elem = $(this); |
| 149 | + |
| 150 | + // account for optgroups |
| 151 | + if(this.tagName.toLowerCase() === "optgroup") { |
| 152 | + elem = elem.children(); |
91 | 153 | }
|
92 |
| - }; |
93 |
| - |
94 |
| - // rebuild cache when multiselect is updated |
95 |
| - var doc = $(document).bind("multiselectrefresh", function(){ |
96 |
| - self.updateCache(); |
97 |
| - self._handler(); |
98 |
| - }); |
99 |
| - |
100 |
| - // automatically reset the widget on close? |
101 |
| - if(this.options.autoReset) { |
102 |
| - doc.bind("multiselectclose", $.proxy(this._reset, this)); |
103 |
| - } |
104 |
| - }, |
105 |
| - |
106 |
| - // thx for the logic here ben alman |
107 |
| - _handler: function( e ){ |
108 |
| - var term = $.trim( this.input[0].value.toLowerCase() ), |
109 |
| - |
110 |
| - // speed up lookups |
111 |
| - rows = this.rows, inputs = this.inputs, cache = this.cache; |
112 |
| - |
113 |
| - if( !term ){ |
114 |
| - rows.show(); |
115 |
| - } else { |
116 |
| - rows.hide(); |
117 |
| - |
118 |
| - var regex = new RegExp(term.replace(rEscape, "\\$&"), 'gi'); |
119 |
| - |
120 |
| - this._trigger( "filter", e, $.map(cache, function(v, i){ |
121 |
| - if( v.search(regex) !== -1 ){ |
122 |
| - rows.eq(i).show(); |
123 |
| - return inputs.get(i); |
124 |
| - } |
125 |
| - |
126 |
| - return null; |
127 |
| - })); |
128 |
| - } |
129 |
| - |
130 |
| - // show/hide optgroups |
131 |
| - this.instance.menu.find(".ui-multiselect-optgroup-label").each(function(){ |
132 |
| - var $this = $(this); |
133 |
| - var isVisible = $this.nextUntil('.ui-multiselect-optgroup-label').filter(function(){ |
134 |
| - return $.css(this, "display") !== 'none'; |
135 |
| - }).length; |
136 |
| - |
137 |
| - $this[ isVisible ? 'show' : 'hide' ](); |
138 |
| - }); |
139 |
| - }, |
140 |
| - |
141 |
| - _reset: function() { |
142 |
| - this.input.val('').trigger('keyup'); |
143 |
| - }, |
144 |
| - |
145 |
| - updateCache: function(){ |
146 |
| - // each list item |
147 |
| - this.rows = this.instance.menu.find(".ui-multiselect-checkboxes li:not(.ui-multiselect-optgroup-label)"); |
148 |
| - |
149 |
| - // cache |
150 |
| - this.cache = this.element.children().map(function(){ |
151 |
| - var self = $(this); |
152 |
| - |
153 |
| - // account for optgroups |
154 |
| - if( this.tagName.toLowerCase() === "optgroup" ){ |
155 |
| - self = self.children(); |
156 |
| - } |
157 |
| - |
158 |
| - return self.map(function(){ |
159 |
| - return this.innerHTML.toLowerCase(); |
160 |
| - }).get(); |
161 |
| - }).get(); |
162 |
| - }, |
163 |
| - |
164 |
| - widget: function(){ |
165 |
| - return this.wrapper; |
166 |
| - }, |
167 |
| - |
168 |
| - destroy: function(){ |
169 |
| - $.Widget.prototype.destroy.call( this ); |
170 |
| - this.input.val('').trigger("keyup"); |
171 |
| - this.wrapper.remove(); |
172 |
| - } |
173 |
| - }); |
| 154 | + |
| 155 | + return elem.map(function() { |
| 156 | + return this.innerHTML.toLowerCase(); |
| 157 | + }).get(); |
| 158 | + }).get(); |
| 159 | + }, |
| 160 | + |
| 161 | + widget: function() { |
| 162 | + return this.wrapper; |
| 163 | + }, |
| 164 | + |
| 165 | + destroy: function() { |
| 166 | + $.Widget.prototype.destroy.call(this); |
| 167 | + this.input.val('').trigger("keyup"); |
| 168 | + this.wrapper.remove(); |
| 169 | + } |
| 170 | + }); |
| 171 | + |
174 | 172 | })(jQuery);
|
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