1 | /* |
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2 | * Autocomplete - jQuery plugin 1.1pre |
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3 | * |
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4 | * Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jörn Zaefferer |
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5 | * |
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6 | * Dual licensed under the MIT and GPL licenses: |
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7 | * http://www.opensource.org/licenses/mit-license.php |
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8 | * http://www.gnu.org/licenses/gpl.html |
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9 | * |
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10 | * Revision: $Id: jquery.autocomplete.js 5785 2008-07-12 10:37:33Z joern.zaefferer $ |
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11 | * |
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12 | */ |
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13 | |
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14 | ;(function($) { |
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15 | |
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16 | $.fn.extend({ |
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17 | autocomplete: function(urlOrData, options) { |
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18 | var isUrl = typeof urlOrData == "string"; |
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19 | options = $.extend({}, $.Autocompleter.defaults, { |
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20 | url: isUrl ? urlOrData : null, |
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21 | data: isUrl ? null : urlOrData, |
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22 | delay: isUrl ? $.Autocompleter.defaults.delay : 10, |
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23 | max: options && !options.scroll ? 10 : 150 |
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24 | }, options); |
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25 | |
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26 | // if highlight is set to false, replace it with a do-nothing function |
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27 | options.highlight = options.highlight || function(value) { return value; }; |
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28 | |
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29 | // if the formatMatch option is not specified, then use formatItem for backwards compatibility |
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30 | options.formatMatch = options.formatMatch || options.formatItem; |
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31 | |
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32 | return this.each(function() { |
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33 | new $.Autocompleter(this, options); |
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34 | }); |
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35 | }, |
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36 | result: function(handler) { |
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37 | return this.bind("result", handler); |
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38 | }, |
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39 | search: function(handler) { |
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40 | return this.trigger("search", [handler]); |
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41 | }, |
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42 | flushCache: function() { |
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43 | return this.trigger("flushCache"); |
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44 | }, |
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45 | setOptions: function(options){ |
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46 | return this.trigger("setOptions", [options]); |
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47 | }, |
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48 | unautocomplete: function() { |
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49 | return this.trigger("unautocomplete"); |
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50 | } |
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51 | }); |
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52 | |
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53 | $.Autocompleter = function(input, options) { |
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54 | |
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55 | var KEY = { |
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56 | UP: 38, |
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57 | DOWN: 40, |
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58 | DEL: 46, |
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59 | TAB: 9, |
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60 | RETURN: 13, |
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61 | ESC: 27, |
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62 | COMMA: 188, |
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63 | PAGEUP: 33, |
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64 | PAGEDOWN: 34, |
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65 | BACKSPACE: 8 |
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66 | }; |
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67 | |
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68 | // Create $ object for input element |
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69 | var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass); |
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70 | |
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71 | var timeout; |
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72 | var previousValue = ""; |
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73 | var cache = $.Autocompleter.Cache(options); |
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74 | var hasFocus = 0; |
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75 | var lastKeyPressCode; |
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76 | var config = { |
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77 | mouseDownOnSelect: false |
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78 | }; |
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79 | var select = $.Autocompleter.Select(options, input, selectCurrent, config); |
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80 | |
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81 | var blockSubmit; |
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82 | |
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83 | // prevent form submit in opera when selecting with return key |
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84 | $.browser.opera && $(input.form).bind("submit.autocomplete", function() { |
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85 | if (blockSubmit) { |
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86 | blockSubmit = false; |
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87 | return false; |
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88 | } |
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89 | }); |
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90 | |
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91 | // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all |
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92 | $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) { |
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93 | // track last key pressed |
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94 | lastKeyPressCode = event.keyCode; |
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95 | switch(event.keyCode) { |
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96 | |
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97 | case KEY.UP: |
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98 | event.preventDefault(); |
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99 | if ( select.visible() ) { |
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100 | select.prev(); |
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101 | } else { |
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102 | onChange(0, true); |
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103 | } |
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104 | break; |
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105 | |
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106 | case KEY.DOWN: |
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107 | event.preventDefault(); |
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108 | if ( select.visible() ) { |
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109 | select.next(); |
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110 | } else { |
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111 | onChange(0, true); |
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112 | } |
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113 | break; |
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114 | |
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115 | case KEY.PAGEUP: |
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116 | event.preventDefault(); |
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117 | if ( select.visible() ) { |
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118 | select.pageUp(); |
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119 | } else { |
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120 | onChange(0, true); |
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121 | } |
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122 | break; |
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123 | |
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124 | case KEY.PAGEDOWN: |
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125 | event.preventDefault(); |
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126 | if ( select.visible() ) { |
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127 | select.pageDown(); |
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128 | } else { |
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129 | onChange(0, true); |
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130 | } |
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131 | break; |
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132 | |
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133 | // matches also semicolon |
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134 | case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA: |
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135 | case KEY.TAB: |
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136 | case KEY.RETURN: |
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137 | if( selectCurrent() ) { |
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138 | // stop default to prevent a form submit, Opera needs special handling |
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139 | event.preventDefault(); |
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140 | blockSubmit = true; |
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141 | return false; |
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142 | } |
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143 | break; |
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144 | |
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145 | case KEY.ESC: |
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146 | select.hide(); |
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147 | break; |
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148 | |
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149 | default: |
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150 | clearTimeout(timeout); |
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151 | timeout = setTimeout(onChange, options.delay); |
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152 | break; |
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153 | } |
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154 | }).focus(function(){ |
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155 | // track whether the field has focus, we shouldn't process any |
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156 | // results if the field no longer has focus |
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157 | hasFocus++; |
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158 | }).blur(function() { |
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159 | hasFocus = 0; |
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160 | if (!config.mouseDownOnSelect) { |
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161 | hideResults(); |
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162 | } |
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163 | }).click(function() { |
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164 | // show select when clicking in a focused field |
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165 | if ( hasFocus++ > 1 && !select.visible() ) { |
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166 | onChange(0, true); |
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167 | } |
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168 | }).bind("search", function() { |
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169 | // TODO why not just specifying both arguments? |
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170 | var fn = (arguments.length > 1) ? arguments[1] : null; |
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171 | function findValueCallback(q, data) { |
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172 | var result; |
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173 | if( data && data.length ) { |
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174 | for (var i=0; i < data.length; i++) { |
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175 | if( data[i].result.toLowerCase() == q.toLowerCase() ) { |
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176 | result = data[i]; |
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177 | break; |
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178 | } |
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179 | } |
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180 | } |
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181 | if( typeof fn == "function" ) fn(result); |
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182 | else $input.trigger("result", result && [result.data, result.value]); |
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183 | } |
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184 | $.each(trimWords($input.val()), function(i, value) { |
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185 | request(value, findValueCallback, findValueCallback); |
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186 | }); |
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187 | }).bind("flushCache", function() { |
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188 | cache.flush(); |
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189 | }).bind("setOptions", function() { |
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190 | $.extend(options, arguments[1]); |
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191 | // if we've updated the data, repopulate |
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192 | if ( "data" in arguments[1] ) |
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193 | cache.populate(); |
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194 | }).bind("unautocomplete", function() { |
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195 | select.unbind(); |
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196 | $input.unbind(); |
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197 | $(input.form).unbind(".autocomplete"); |
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198 | }); |
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199 | |
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200 | |
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201 | function selectCurrent() { |
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202 | var selected = select.selected(); |
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203 | if( !selected ) |
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204 | return false; |
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205 | |
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206 | var v = selected.result; |
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207 | previousValue = v; |
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208 | |
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209 | if ( options.multiple ) { |
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210 | var words = trimWords($input.val()); |
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211 | if ( words.length > 1 ) { |
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212 | v = words.slice(0, words.length - 1).join( options.multipleSeparator ) + options.multipleSeparator + v; |
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213 | } |
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214 | v += options.multipleSeparator; |
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215 | } |
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216 | |
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217 | $input.val(v); |
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218 | hideResultsNow(); |
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219 | $input.trigger("result", [selected.data, selected.value]); |
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220 | return true; |
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221 | } |
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222 | |
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223 | function onChange(crap, skipPrevCheck) { |
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224 | if( lastKeyPressCode == KEY.DEL ) { |
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225 | select.hide(); |
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226 | return; |
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227 | } |
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228 | |
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229 | var currentValue = $input.val(); |
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230 | |
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231 | if ( !skipPrevCheck && currentValue == previousValue ) |
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232 | return; |
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233 | |
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234 | previousValue = currentValue; |
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235 | |
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236 | currentValue = lastWord(currentValue); |
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237 | if ( currentValue.length >= options.minChars) { |
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238 | $input.addClass(options.loadingClass); |
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239 | if (!options.matchCase) |
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240 | currentValue = currentValue.toLowerCase(); |
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241 | request(currentValue, receiveData, hideResultsNow); |
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242 | } else { |
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243 | stopLoading(); |
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244 | select.hide(); |
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245 | } |
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246 | }; |
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247 | |
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248 | function trimWords(value) { |
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249 | if ( !value ) { |
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250 | return [""]; |
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251 | } |
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252 | var words = value.split( options.multipleSeparator ); |
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253 | var result = []; |
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254 | $.each(words, function(i, value) { |
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255 | if ( $.trim(value) ) |
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256 | result[i] = $.trim(value); |
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257 | }); |
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258 | return result; |
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259 | } |
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260 | |
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261 | function lastWord(value) { |
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262 | if ( !options.multiple ) |
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263 | return value; |
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264 | var words = trimWords(value); |
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265 | return words[words.length - 1]; |
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266 | } |
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267 | |
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268 | // fills in the input box w/the first match (assumed to be the best match) |
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269 | // q: the term entered |
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270 | // sValue: the first matching result |
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271 | function autoFill(q, sValue){ |
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272 | // autofill in the complete box w/the first match as long as the user hasn't entered in more data |
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273 | // if the last user key pressed was backspace, don't autofill |
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274 | if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) { |
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275 | // fill in the value (keep the case the user has typed) |
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276 | $input.val($input.val() + sValue.substring(lastWord(previousValue).length)); |
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277 | // select the portion of the value not typed by the user (so the next character will erase) |
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278 | $.Autocompleter.Selection(input, previousValue.length, previousValue.length + sValue.length); |
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279 | } |
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280 | }; |
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281 | |
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282 | function hideResults() { |
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283 | clearTimeout(timeout); |
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284 | timeout = setTimeout(hideResultsNow, 200); |
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285 | }; |
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286 | |
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287 | function hideResultsNow() { |
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288 | var wasVisible = select.visible(); |
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289 | select.hide(); |
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290 | clearTimeout(timeout); |
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291 | stopLoading(); |
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292 | if (options.mustMatch) { |
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293 | // call search and run callback |
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294 | $input.search( |
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295 | function (result){ |
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296 | // if no value found, clear the input box |
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297 | if( !result ) { |
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298 | if (options.multiple) { |
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299 | var words = trimWords($input.val()).slice(0, -1); |
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300 | $input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") ); |
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301 | } |
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302 | else |
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303 | $input.val( "" ); |
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304 | } |
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305 | } |
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306 | ); |
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307 | } |
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308 | if (wasVisible) |
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309 | // position cursor at end of input field |
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310 | $.Autocompleter.Selection(input, input.value.length, input.value.length); |
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311 | }; |
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312 | |
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313 | function receiveData(q, data) { |
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314 | if ( data && data.length && hasFocus ) { |
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315 | stopLoading(); |
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316 | select.display(data, q); |
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317 | autoFill(q, data[0].value); |
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318 | select.show(); |
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319 | } else { |
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320 | hideResultsNow(); |
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321 | } |
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322 | }; |
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323 | |
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324 | function request(term, success, failure) { |
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325 | if (!options.matchCase) |
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326 | term = term.toLowerCase(); |
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327 | var data = cache.load(term); |
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328 | // recieve the cached data |
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329 | if (data && data.length) { |
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330 | success(term, data); |
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331 | // if an AJAX url has been supplied, try loading the data now |
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332 | } else if( (typeof options.url == "string") && (options.url.length > 0) ){ |
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333 | |
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334 | var extraParams = { |
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335 | timestamp: +new Date() |
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336 | }; |
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337 | $.each(options.extraParams, function(key, param) { |
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338 | extraParams[key] = typeof param == "function" ? param() : param; |
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339 | }); |
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340 | |
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341 | $.ajax({ |
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342 | // try to leverage ajaxQueue plugin to abort previous requests |
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343 | mode: "abort", |
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344 | // limit abortion to this input |
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345 | port: "autocomplete" + input.name, |
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346 | dataType: options.dataType, |
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347 | url: options.url, |
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348 | data: $.extend({ |
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349 | q: lastWord(term), |
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350 | limit: options.max |
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351 | }, extraParams), |
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352 | success: function(data) { |
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353 | var parsed = options.parse && options.parse(data) || parse(data); |
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354 | cache.add(term, parsed); |
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355 | success(term, parsed); |
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356 | } |
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357 | }); |
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358 | } else { |
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359 | // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match |
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360 | select.emptyList(); |
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361 | failure(term); |
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362 | } |
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363 | }; |
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364 | |
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365 | function parse(data) { |
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366 | var parsed = []; |
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367 | var rows = data.split("\n"); |
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368 | for (var i=0; i < rows.length; i++) { |
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369 | var row = $.trim(rows[i]); |
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370 | if (row) { |
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371 | row = row.split("|"); |
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372 | parsed[parsed.length] = { |
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373 | data: row, |
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374 | value: row[0], |
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375 | result: options.formatResult && options.formatResult(row, row[0]) || row[0] |
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376 | }; |
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377 | } |
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378 | } |
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379 | return parsed; |
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380 | }; |
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381 | |
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382 | function stopLoading() { |
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383 | $input.removeClass(options.loadingClass); |
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384 | }; |
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385 | |
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386 | }; |
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387 | |
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388 | $.Autocompleter.defaults = { |
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389 | inputClass: "ac_input", |
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390 | resultsClass: "ac_results", |
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391 | loadingClass: "ac_loading", |
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392 | minChars: 1, |
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393 | delay: 400, |
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394 | matchCase: false, |
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395 | matchSubset: true, |
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396 | matchContains: false, |
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397 | cacheLength: 10, |
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398 | max: 100, |
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399 | mustMatch: false, |
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400 | extraParams: {}, |
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401 | selectFirst: true, |
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402 | formatItem: function(row) { return row[0]; }, |
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403 | formatMatch: null, |
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404 | autoFill: false, |
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405 | width: 0, |
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406 | multiple: false, |
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407 | multipleSeparator: ", ", |
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408 | highlight: function(value, term) { |
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409 | return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>"); |
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410 | }, |
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411 | scroll: true, |
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412 | scrollHeight: 180 |
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413 | }; |
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414 | |
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415 | $.Autocompleter.Cache = function(options) { |
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416 | |
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417 | var data = {}; |
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418 | var length = 0; |
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419 | |
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420 | function matchSubset(s, sub) { |
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421 | if (!options.matchCase) |
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422 | s = s.toLowerCase(); |
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423 | var i = s.indexOf(sub); |
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424 | if (options.matchContains == "word"){ |
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425 | i = s.toLowerCase().search("\\b" + sub.toLowerCase()); |
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426 | } |
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427 | if (i == -1) return false; |
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428 | return i == 0 || options.matchContains; |
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429 | }; |
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430 | |
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431 | function add(q, value) { |
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432 | if (length > options.cacheLength){ |
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433 | flush(); |
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434 | } |
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435 | if (!data[q]){ |
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436 | length++; |
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437 | } |
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438 | data[q] = value; |
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439 | } |
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440 | |
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441 | function populate(){ |
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442 | if( !options.data ) return false; |
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443 | // track the matches |
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444 | var stMatchSets = {}, |
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445 | nullData = 0; |
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446 | |
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447 | // no url was specified, we need to adjust the cache length to make sure it fits the local data store |
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448 | if( !options.url ) options.cacheLength = 1; |
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449 | |
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450 | // track all options for minChars = 0 |
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451 | stMatchSets[""] = []; |
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452 | |
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453 | // loop through the array and create a lookup structure |
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454 | for ( var i = 0, ol = options.data.length; i < ol; i++ ) { |
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455 | var rawValue = options.data[i]; |
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456 | // if rawValue is a string, make an array otherwise just reference the array |
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457 | rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue; |
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458 | |
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459 | var value = options.formatMatch(rawValue, i+1, options.data.length); |
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460 | if ( value === false ) |
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461 | continue; |
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462 | |
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463 | var firstChar = value.charAt(0).toLowerCase(); |
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464 | // if no lookup array for this character exists, look it up now |
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465 | if( !stMatchSets[firstChar] ) |
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466 | stMatchSets[firstChar] = []; |
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467 | |
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468 | // if the match is a string |
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469 | var row = { |
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470 | value: value, |
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471 | data: rawValue, |
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472 | result: options.formatResult && options.formatResult(rawValue) || value |
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473 | }; |
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474 | |
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475 | // push the current match into the set list |
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476 | stMatchSets[firstChar].push(row); |
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477 | |
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478 | // keep track of minChars zero items |
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479 | if ( nullData++ < options.max ) { |
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480 | stMatchSets[""].push(row); |
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481 | } |
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482 | }; |
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483 | |
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484 | // add the data items to the cache |
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485 | $.each(stMatchSets, function(i, value) { |
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486 | // increase the cache size |
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487 | options.cacheLength++; |
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488 | // add to the cache |
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489 | add(i, value); |
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490 | }); |
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491 | } |
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492 | |
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493 | // populate any existing data |
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494 | setTimeout(populate, 25); |
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495 | |
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496 | function flush(){ |
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497 | data = {}; |
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498 | length = 0; |
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499 | } |
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500 | |
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501 | return { |
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502 | flush: flush, |
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503 | add: add, |
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504 | populate: populate, |
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505 | load: function(q) { |
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506 | if (!options.cacheLength || !length) |
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507 | return null; |
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508 | /* |
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509 | * if dealing w/local data and matchContains than we must make sure |
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510 | * to loop through all the data collections looking for matches |
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511 | */ |
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512 | if( !options.url && options.matchContains ){ |
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513 | // track all matches |
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514 | var csub = []; |
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515 | // loop through all the data grids for matches |
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516 | for( var k in data ){ |
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517 | // don't search through the stMatchSets[""] (minChars: 0) cache |
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518 | // this prevents duplicates |
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519 | if( k.length > 0 ){ |
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520 | var c = data[k]; |
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521 | $.each(c, function(i, x) { |
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522 | // if we've got a match, add it to the array |
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523 | if (matchSubset(x.value, q)) { |
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524 | csub.push(x); |
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525 | } |
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526 | }); |
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527 | } |
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528 | } |
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529 | return csub; |
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530 | } else |
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531 | // if the exact item exists, use it |
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532 | if (data[q]){ |
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533 | return data[q]; |
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534 | } else |
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535 | if (options.matchSubset) { |
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536 | for (var i = q.length - 1; i >= options.minChars; i--) { |
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537 | var c = data[q.substr(0, i)]; |
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538 | if (c) { |
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539 | var csub = []; |
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540 | $.each(c, function(i, x) { |
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541 | if (matchSubset(x.value, q)) { |
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542 | csub[csub.length] = x; |
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543 | } |
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544 | }); |
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545 | return csub; |
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546 | } |
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547 | } |
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548 | } |
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549 | return null; |
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550 | } |
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551 | }; |
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552 | }; |
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553 | |
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554 | $.Autocompleter.Select = function (options, input, select, config) { |
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555 | var CLASSES = { |
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556 | ACTIVE: "ac_over" |
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557 | }; |
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558 | |
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559 | var listItems, |
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560 | active = -1, |
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561 | data, |
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562 | term = "", |
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563 | needsInit = true, |
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564 | element, |
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565 | list; |
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566 | |
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567 | // Create results |
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568 | function init() { |
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569 | if (!needsInit) |
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570 | return; |
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571 | element = $("<div/>") |
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572 | .hide() |
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573 | .addClass(options.resultsClass) |
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574 | .css("position", "absolute") |
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575 | .appendTo(document.body); |
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576 | |
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577 | list = $("<ul/>").appendTo(element).mouseover( function(event) { |
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578 | if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') { |
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579 | active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event)); |
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580 | $(target(event)).addClass(CLASSES.ACTIVE); |
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581 | } |
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582 | }).click(function(event) { |
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583 | $(target(event)).addClass(CLASSES.ACTIVE); |
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584 | select(); |
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585 | // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus |
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586 | input.focus(); |
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587 | return false; |
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588 | }).mousedown(function() { |
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589 | config.mouseDownOnSelect = true; |
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590 | }).mouseup(function() { |
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591 | config.mouseDownOnSelect = false; |
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592 | }); |
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593 | |
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594 | if( options.width > 0 ) |
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595 | element.css("width", options.width); |
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596 | |
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597 | needsInit = false; |
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598 | } |
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599 | |
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600 | function target(event) { |
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601 | var element = event.target; |
---|
602 | while(element && element.tagName != "LI") |
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603 | element = element.parentNode; |
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604 | // more fun with IE, sometimes event.target is empty, just ignore it then |
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605 | if(!element) |
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606 | return []; |
---|
607 | return element; |
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608 | } |
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609 | |
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610 | function moveSelect(step) { |
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611 | listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE); |
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612 | movePosition(step); |
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613 | var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE); |
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614 | if(options.scroll) { |
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615 | var offset = 0; |
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616 | listItems.slice(0, active).each(function() { |
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617 | offset += this.offsetHeight; |
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618 | }); |
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619 | if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) { |
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620 | list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight()); |
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621 | } else if(offset < list.scrollTop()) { |
---|
622 | list.scrollTop(offset); |
---|
623 | } |
---|
624 | } |
---|
625 | }; |
---|
626 | |
---|
627 | function movePosition(step) { |
---|
628 | active += step; |
---|
629 | if (active < 0) { |
---|
630 | active = listItems.size() - 1; |
---|
631 | } else if (active >= listItems.size()) { |
---|
632 | active = 0; |
---|
633 | } |
---|
634 | } |
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635 | |
---|
636 | function limitNumberOfItems(available) { |
---|
637 | return options.max && options.max < available |
---|
638 | ? options.max |
---|
639 | : available; |
---|
640 | } |
---|
641 | |
---|
642 | function fillList() { |
---|
643 | list.empty(); |
---|
644 | var max = limitNumberOfItems(data.length); |
---|
645 | for (var i=0; i < max; i++) { |
---|
646 | if (!data[i]) |
---|
647 | continue; |
---|
648 | var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term); |
---|
649 | if ( formatted === false ) |
---|
650 | continue; |
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651 | var li = $("<li/>").html( options.highlight(formatted, term) ).addClass(i%2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0]; |
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652 | $.data(li, "ac_data", data[i]); |
---|
653 | } |
---|
654 | listItems = list.find("li"); |
---|
655 | if ( options.selectFirst ) { |
---|
656 | listItems.slice(0, 1).addClass(CLASSES.ACTIVE); |
---|
657 | active = 0; |
---|
658 | } |
---|
659 | // apply bgiframe if available |
---|
660 | if ( $.fn.bgiframe ) |
---|
661 | list.bgiframe(); |
---|
662 | } |
---|
663 | |
---|
664 | return { |
---|
665 | display: function(d, q) { |
---|
666 | init(); |
---|
667 | data = d; |
---|
668 | term = q; |
---|
669 | fillList(); |
---|
670 | }, |
---|
671 | next: function() { |
---|
672 | moveSelect(1); |
---|
673 | }, |
---|
674 | prev: function() { |
---|
675 | moveSelect(-1); |
---|
676 | }, |
---|
677 | pageUp: function() { |
---|
678 | if (active != 0 && active - 8 < 0) { |
---|
679 | moveSelect( -active ); |
---|
680 | } else { |
---|
681 | moveSelect(-8); |
---|
682 | } |
---|
683 | }, |
---|
684 | pageDown: function() { |
---|
685 | if (active != listItems.size() - 1 && active + 8 > listItems.size()) { |
---|
686 | moveSelect( listItems.size() - 1 - active ); |
---|
687 | } else { |
---|
688 | moveSelect(8); |
---|
689 | } |
---|
690 | }, |
---|
691 | hide: function() { |
---|
692 | element && element.hide(); |
---|
693 | listItems && listItems.removeClass(CLASSES.ACTIVE); |
---|
694 | active = -1; |
---|
695 | }, |
---|
696 | visible : function() { |
---|
697 | return element && element.is(":visible"); |
---|
698 | }, |
---|
699 | current: function() { |
---|
700 | return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]); |
---|
701 | }, |
---|
702 | show: function() { |
---|
703 | var offset = $(input).offset(); |
---|
704 | element.css({ |
---|
705 | width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(), |
---|
706 | top: offset.top + input.offsetHeight, |
---|
707 | left: offset.left |
---|
708 | }).show(); |
---|
709 | if(options.scroll) { |
---|
710 | list.scrollTop(0); |
---|
711 | list.css({ |
---|
712 | maxHeight: options.scrollHeight, |
---|
713 | overflow: 'auto' |
---|
714 | }); |
---|
715 | |
---|
716 | if($.browser.msie && typeof document.body.style.maxHeight === "undefined") { |
---|
717 | var listHeight = 0; |
---|
718 | listItems.each(function() { |
---|
719 | listHeight += this.offsetHeight; |
---|
720 | }); |
---|
721 | var scrollbarsVisible = listHeight > options.scrollHeight; |
---|
722 | list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight ); |
---|
723 | if (!scrollbarsVisible) { |
---|
724 | // IE doesn't recalculate width when scrollbar disappears |
---|
725 | listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) ); |
---|
726 | } |
---|
727 | } |
---|
728 | |
---|
729 | } |
---|
730 | }, |
---|
731 | selected: function() { |
---|
732 | var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE); |
---|
733 | return selected && selected.length && $.data(selected[0], "ac_data"); |
---|
734 | }, |
---|
735 | emptyList: function (){ |
---|
736 | list && list.empty(); |
---|
737 | }, |
---|
738 | unbind: function() { |
---|
739 | element && element.remove(); |
---|
740 | } |
---|
741 | }; |
---|
742 | }; |
---|
743 | |
---|
744 | $.Autocompleter.Selection = function(field, start, end) { |
---|
745 | if( field.createTextRange ){ |
---|
746 | var selRange = field.createTextRange(); |
---|
747 | selRange.collapse(true); |
---|
748 | selRange.moveStart("character", start); |
---|
749 | selRange.moveEnd("character", end); |
---|
750 | selRange.select(); |
---|
751 | } else if( field.setSelectionRange ){ |
---|
752 | field.setSelectionRange(start, end); |
---|
753 | } else { |
---|
754 | if( field.selectionStart ){ |
---|
755 | field.selectionStart = start; |
---|
756 | field.selectionEnd = end; |
---|
757 | } |
---|
758 | } |
---|
759 | field.focus(); |
---|
760 | }; |
---|
761 | |
---|
762 | })(jQuery); |
---|