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1 /*!
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2 * jQuery Templates Plugin
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3 * http://github.com/jquery/jquery-tmpl
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4 *
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5 * Copyright Software Freedom Conservancy, Inc.
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6 * Dual licensed under the MIT or GPL Version 2 licenses.
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7 * http://jquery.org/license
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8 */
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9 (function( jQuery, undefined ){
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10 var oldManip = jQuery.fn.domManip, tmplItmAtt = "_tmplitem", htmlExpr = /^[^<]*(<[\w\W]+>)[^>]*$|\{\{\! /,
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11 newTmplItems = {}, wrappedItems = {}, appendToTmplItems, topTmplItem = { key: 0, data: {} }, itemKey = 0, cloneIndex = 0, stack = [];
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12
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13 function newTmplItem( options, parentItem, fn, data ) {
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14 // Returns a template item data structure for a new rendered instance of a template (a 'template item').
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15 // The content field is a hierarchical array of strings and nested items (to be
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16 // removed and replaced by nodes field of dom elements, once inserted in DOM).
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17 var newItem = {
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18 data: data || (parentItem ? parentItem.data : {}),
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19 _wrap: parentItem ? parentItem._wrap : null,
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20 tmpl: null,
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21 parent: parentItem || null,
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22 nodes: [],
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23 calls: tiCalls,
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24 nest: tiNest,
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25 wrap: tiWrap,
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26 html: tiHtml,
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27 update: tiUpdate
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28 };
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29 if ( options ) {
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30 jQuery.extend( newItem, options, { nodes: [], parent: parentItem } );
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31 }
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32 if ( fn ) {
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33 // Build the hierarchical content to be used during insertion into DOM
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34 newItem.tmpl = fn;
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35 newItem._ctnt = newItem._ctnt || newItem.tmpl( jQuery, newItem );
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36 newItem.key = ++itemKey;
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37 // Keep track of new template item, until it is stored as jQuery Data on DOM element
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38 (stack.length ? wrappedItems : newTmplItems)[itemKey] = newItem;
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39 }
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40 return newItem;
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41 }
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42
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43 // Override appendTo etc., in order to provide support for targeting multiple elements. (This code would disappear if integrated in jquery core).
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44 jQuery.each({
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45 appendTo: "append",
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46 prependTo: "prepend",
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47 insertBefore: "before",
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48 insertAfter: "after",
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49 replaceAll: "replaceWith"
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50 }, function( name, original ) {
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51 jQuery.fn[ name ] = function( selector ) {
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52 var ret = [], insert = jQuery( selector ), elems, i, l, tmplItems,
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53 parent = this.length === 1 && this[0].parentNode;
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54
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55 appendToTmplItems = newTmplItems || {};
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56 if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
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57 insert[ original ]( this[0] );
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58 ret = this;
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59 } else {
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60 for ( i = 0, l = insert.length; i < l; i++ ) {
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61 cloneIndex = i;
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62 elems = (i > 0 ? this.clone(true) : this).get();
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63 jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
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64 ret = ret.concat( elems );
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65 }
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66 cloneIndex = 0;
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67 ret = this.pushStack( ret, name, insert.selector );
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68 }
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69 tmplItems = appendToTmplItems;
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70 appendToTmplItems = null;
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71 jQuery.tmpl.complete( tmplItems );
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72 return ret;
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73 };
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74 });
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75
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76 jQuery.fn.extend({
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77 // Use first wrapped element as template markup.
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78 // Return wrapped set of template items, obtained by rendering template against data.
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79 tmpl: function( data, options, parentItem ) {
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80 return jQuery.tmpl( this[0], data, options, parentItem );
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81 },
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82
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83 // Find which rendered template item the first wrapped DOM element belongs to
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84 tmplItem: function() {
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85 return jQuery.tmplItem( this[0] );
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86 },
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87
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88 // Consider the first wrapped element as a template declaration, and get the compiled template or store it as a named template.
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89 template: function( name ) {
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90 return jQuery.template( name, this[0] );
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91 },
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92
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93 domManip: function( args, table, callback, options ) {
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94 // This appears to be a bug in the appendTo, etc. implementation
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95 // it should be doing .call() instead of .apply(). See #6227
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96 if ( args[0] && args[0].nodeType ) {
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97 var dmArgs = jQuery.makeArray( arguments ), argsLength = args.length, i = 0, tmplItem;
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98 while ( i < argsLength && !(tmplItem = jQuery.data( args[i++], "tmplItem" ))) {}
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99 if ( argsLength > 1 ) {
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100 dmArgs[0] = [jQuery.makeArray( args )];
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101 }
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102 if ( tmplItem && cloneIndex ) {
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103 dmArgs[2] = function( fragClone ) {
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104 // Handler called by oldManip when rendered template has been inserted into DOM.
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105 jQuery.tmpl.afterManip( this, fragClone, callback );
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106 };
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107 }
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108 oldManip.apply( this, dmArgs );
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109 } else {
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110 oldManip.apply( this, arguments );
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111 }
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112 cloneIndex = 0;
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113 if ( !appendToTmplItems ) {
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114 jQuery.tmpl.complete( newTmplItems );
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115 }
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116 return this;
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117 }
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118 });
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119
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120 jQuery.extend({
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121 // Return wrapped set of template items, obtained by rendering template against data.
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122 tmpl: function( tmpl, data, options, parentItem ) {
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123 var ret, topLevel = !parentItem;
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124 if ( topLevel ) {
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125 // This is a top-level tmpl call (not from a nested template using {{tmpl}})
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126 parentItem = topTmplItem;
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127 tmpl = jQuery.template[tmpl] || jQuery.template( null, tmpl );
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128 wrappedItems = {}; // Any wrapped items will be rebuilt, since this is top level
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129 } else if ( !tmpl ) {
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130 // The template item is already associated with DOM - this is a refresh.
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131 // Re-evaluate rendered template for the parentItem
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132 tmpl = parentItem.tmpl;
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133 newTmplItems[parentItem.key] = parentItem;
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134 parentItem.nodes = [];
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135 if ( parentItem.wrapped ) {
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136 updateWrapped( parentItem, parentItem.wrapped );
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137 }
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138 // Rebuild, without creating a new template item
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139 return jQuery( build( parentItem, null, parentItem.tmpl( jQuery, parentItem ) ));
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140 }
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141 if ( !tmpl ) {
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142 return []; // Could throw...
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143 }
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144 if ( typeof data === "function" ) {
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145 data = data.call( parentItem || {} );
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146 }
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147 if ( options && options.wrapped ) {
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148 updateWrapped( options, options.wrapped );
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149 }
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150 ret = jQuery.isArray( data ) ?
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151 jQuery.map( data, function( dataItem ) {
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152 return dataItem ? newTmplItem( options, parentItem, tmpl, dataItem ) : null;
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153 }) :
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154 [ newTmplItem( options, parentItem, tmpl, data ) ];
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155 return topLevel ? jQuery( build( parentItem, null, ret ) ) : ret;
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156 },
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157
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158 // Return rendered template item for an element.
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159 tmplItem: function( elem ) {
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160 var tmplItem;
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161 if ( elem instanceof jQuery ) {
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162 elem = elem[0];
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163 }
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164 while ( elem && elem.nodeType === 1 && !(tmplItem = jQuery.data( elem, "tmplItem" )) && (elem = elem.parentNode) ) {}
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165 return tmplItem || topTmplItem;
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166 },
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167
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168 // Set:
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169 // Use $.template( name, tmpl ) to cache a named template,
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170 // where tmpl is a template string, a script element or a jQuery instance wrapping a script element, etc.
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171 // Use $( "selector" ).template( name ) to provide access by name to a script block template declaration.
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172
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173 // Get:
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174 // Use $.template( name ) to access a cached template.
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175 // Also $( selectorToScriptBlock ).template(), or $.template( null, templateString )
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176 // will return the compiled template, without adding a name reference.
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177 // If templateString includes at least one HTML tag, $.template( templateString ) is equivalent
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178 // to $.template( null, templateString )
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179 template: function( name, tmpl ) {
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180 if (tmpl) {
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181 // Compile template and associate with name
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182 if ( typeof tmpl === "string" ) {
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183 // This is an HTML string being passed directly in.
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184 tmpl = buildTmplFn( tmpl )
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185 } else if ( tmpl instanceof jQuery ) {
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186 tmpl = tmpl[0] || {};
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187 }
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188 if ( tmpl.nodeType ) {
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189 // If this is a template block, use cached copy, or generate tmpl function and cache.
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190 tmpl = jQuery.data( tmpl, "tmpl" ) || jQuery.data( tmpl, "tmpl", buildTmplFn( tmpl.innerHTML ));
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191 }
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192 return typeof name === "string" ? (jQuery.template[name] = tmpl) : tmpl;
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193 }
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194 // Return named compiled template
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195 return name ? (typeof name !== "string" ? jQuery.template( null, name ):
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196 (jQuery.template[name] ||
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197 // If not in map, treat as a selector. (If integrated with core, use quickExpr.exec)
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198 jQuery.template( null, htmlExpr.test( name ) ? name : jQuery( name )))) : null;
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199 },
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200
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201 encode: function( text ) {
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202 // Do HTML encoding replacing < > & and ' and " by corresponding entities.
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203 return ("" + text).split("<").join("<").split(">").join(">").split('"').join(""").split("'").join("'");
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204 }
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205 });
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206
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207 jQuery.extend( jQuery.tmpl, {
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208 tag: {
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209 "tmpl": {
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210 _default: { $2: "null" },
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211 open: "if($notnull_1){_=_.concat($item.nest($1,$2));}"
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212 // tmpl target parameter can be of type function, so use $1, not $1a (so not auto detection of functions)
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213 // This means that {{tmpl foo}} treats foo as a template (which IS a function).
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214 // Explicit parens can be used if foo is a function that returns a template: {{tmpl foo()}}.
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215 },
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216 "wrap": {
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217 _default: { $2: "null" },
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218 open: "$item.calls(_,$1,$2);_=[];",
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219 close: "call=$item.calls();_=call._.concat($item.wrap(call,_));"
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220 },
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221 "each": {
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222 _default: { $2: "$index, $value" },
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223 open: "if($notnull_1){$.each($1a,function($2){with(this){",
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224 close: "}});}"
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225 },
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226 "if": {
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227 open: "if(($notnull_1) && $1a){",
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228 close: "}"
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229 },
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230 "else": {
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231 _default: { $1: "true" },
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232 open: "}else if(($notnull_1) && $1a){"
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233 },
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234 "html": {
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235 // Unecoded expression evaluation.
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236 open: "if($notnull_1){_.push($1a);}"
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237 },
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238 "=": {
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239 // Encoded expression evaluation. Abbreviated form is ${}.
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240 _default: { $1: "$data" },
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241 open: "if($notnull_1){_.push($.encode($1a));}"
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242 },
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243 "!": {
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244 // Comment tag. Skipped by parser
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245 open: ""
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246 }
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247 },
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248
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249 // This stub can be overridden, e.g. in jquery.tmplPlus for providing rendered events
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250 complete: function( items ) {
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251 newTmplItems = {};
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252 },
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253
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254 // Call this from code which overrides domManip, or equivalent
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255 // Manage cloning/storing template items etc.
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256 afterManip: function afterManip( elem, fragClone, callback ) {
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257 // Provides cloned fragment ready for fixup prior to and after insertion into DOM
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258 var content = fragClone.nodeType === 11 ?
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259 jQuery.makeArray(fragClone.childNodes) :
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260 fragClone.nodeType === 1 ? [fragClone] : [];
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261
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262 // Return fragment to original caller (e.g. append) for DOM insertion
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263 callback.call( elem, fragClone );
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264
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265 // Fragment has been inserted:- Add inserted nodes to tmplItem data structure. Replace inserted element annotations by jQuery.data.
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266 storeTmplItems( content );
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267 cloneIndex++;
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268 }
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269 });
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270
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271 //========================== Private helper functions, used by code above ==========================
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272
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273 function build( tmplItem, nested, content ) {
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274 // Convert hierarchical content into flat string array
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275 // and finally return array of fragments ready for DOM insertion
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276 var frag, ret = content ? jQuery.map( content, function( item ) {
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277 return (typeof item === "string") ?
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278 // Insert template item annotations, to be converted to jQuery.data( "tmplItem" ) when elems are inserted into DOM.
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279 (tmplItem.key ? item.replace( /(<\w+)(?=[\s>])(?![^>]*_tmplitem)([^>]*)/g, "$1 " + tmplItmAtt + "=\"" + tmplItem.key + "\" $2" ) : item) :
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280 // This is a child template item. Build nested template.
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281 build( item, tmplItem, item._ctnt );
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282 }) :
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283 // If content is not defined, insert tmplItem directly. Not a template item. May be a string, or a string array, e.g. from {{html $item.html()}}.
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284 tmplItem;
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285 if ( nested ) {
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286 return ret;
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287 }
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288
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289 // top-level template
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290 ret = ret.join("");
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291
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292 // Support templates which have initial or final text nodes, or consist only of text
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293 // Also support HTML entities within the HTML markup.
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294 ret.replace( /^\s*([^<\s][^<]*)?(<[\w\W]+>)([^>]*[^>\s])?\s*$/, function( all, before, middle, after) {
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295 frag = jQuery( middle ).get();
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296
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297 storeTmplItems( frag );
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298 if ( before ) {
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299 frag = unencode( before ).concat(frag);
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300 }
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301 if ( after ) {
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302 frag = frag.concat(unencode( after ));
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303 }
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304 });
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305 return frag ? frag : unencode( ret );
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306 }
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307
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308 function unencode( text ) {
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309 // Use createElement, since createTextNode will not render HTML entities correctly
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310 var el = document.createElement( "div" );
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311 el.innerHTML = text;
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312 return jQuery.makeArray(el.childNodes);
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313 }
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314
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315 // Generate a reusable function that will serve to render a template against data
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316 function buildTmplFn( markup ) {
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317 return new Function("jQuery","$item",
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318 "var $=jQuery,call,_=[],$data=$item.data;" +
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319
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320 // Introduce the data as local variables using with(){}
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321 "with($data){_.push('" +
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322
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323 // Convert the template into pure JavaScript
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324 jQuery.trim(markup)
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325 .replace( /([\\'])/g, "\\$1" )
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326 .replace( /[\r\t\n]/g, " " )
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327 .replace( /\$\{([^\}]*)\}/g, "{{= $1}}" )
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328 .replace( /\{\{(\/?)(\w+|.)(?:\(((?:[^\}]|\}(?!\}))*?)?\))?(?:\s+(.*?)?)?(\(((?:[^\}]|\}(?!\}))*?)\))?\s*\}\}/g,
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329 function( all, slash, type, fnargs, target, parens, args ) {
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330 var tag = jQuery.tmpl.tag[ type ], def, expr, exprAutoFnDetect;
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331 if ( !tag ) {
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332 throw "Template command not found: " + type;
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333 }
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334 def = tag._default || [];
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335 if ( parens && !/\w$/.test(target)) {
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336 target += parens;
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337 parens = "";
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338 }
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339 if ( target ) {
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340 target = unescape( target );
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341 args = args ? ("," + unescape( args ) + ")") : (parens ? ")" : "");
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342 // Support for target being things like a.toLowerCase();
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343 // In that case don't call with template item as 'this' pointer. Just evaluate...
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344 expr = parens ? (target.indexOf(".") > -1 ? target + parens : ("(" + target + ").call($item" + args)) : target;
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345 exprAutoFnDetect = parens ? expr : "(typeof(" + target + ")==='function'?(" + target + ").call($item):(" + target + "))";
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346 } else {
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347 exprAutoFnDetect = expr = def.$1 || "null";
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348 }
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349 fnargs = unescape( fnargs );
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350 return "');" +
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351 tag[ slash ? "close" : "open" ]
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352 .split( "$notnull_1" ).join( target ? "typeof(" + target + ")!=='undefined' && (" + target + ")!=null" : "true" )
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353 .split( "$1a" ).join( exprAutoFnDetect )
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354 .split( "$1" ).join( expr )
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355 .split( "$2" ).join( fnargs ?
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356 fnargs.replace( /\s*([^\(]+)\s*(\((.*?)\))?/g, function( all, name, parens, params ) {
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357 params = params ? ("," + params + ")") : (parens ? ")" : "");
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358 return params ? ("(" + name + ").call($item" + params) : all;
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359 })
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360 : (def.$2||"")
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361 ) +
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362 "_.push('";
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363 }) +
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364 "');}return _;"
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365 );
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366 }
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367 function updateWrapped( options, wrapped ) {
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368 // Build the wrapped content.
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369 options._wrap = build( options, true,
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370 // Suport imperative scenario in which options.wrapped can be set to a selector or an HTML string.
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371 jQuery.isArray( wrapped ) ? wrapped : [htmlExpr.test( wrapped ) ? wrapped : jQuery( wrapped ).html()]
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372 ).join("");
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373 }
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374
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375 function unescape( args ) {
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376 return args ? args.replace( /\\'/g, "'").replace(/\\\\/g, "\\" ) : null;
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377 }
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378 function outerHtml( elem ) {
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379 var div = document.createElement("div");
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380 div.appendChild( elem.cloneNode(true) );
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381 return div.innerHTML;
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382 }
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383
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384 // Store template items in jQuery.data(), ensuring a unique tmplItem data data structure for each rendered template instance.
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385 function storeTmplItems( content ) {
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386 var keySuffix = "_" + cloneIndex, elem, elems, newClonedItems = {}, i, l, m;
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387 for ( i = 0, l = content.length; i < l; i++ ) {
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388 if ( (elem = content[i]).nodeType !== 1 ) {
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389 continue;
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390 }
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391 elems = elem.getElementsByTagName("*");
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392 for ( m = elems.length - 1; m >= 0; m-- ) {
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393 processItemKey( elems[m] );
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394 }
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395 processItemKey( elem );
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396 }
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397 function processItemKey( el ) {
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398 var pntKey, pntNode = el, pntItem, tmplItem, key;
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399 // Ensure that each rendered template inserted into the DOM has its own template item,
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400 if ( (key = el.getAttribute( tmplItmAtt ))) {
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401 while ( pntNode.parentNode && (pntNode = pntNode.parentNode).nodeType === 1 && !(pntKey = pntNode.getAttribute( tmplItmAtt ))) { }
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402 if ( pntKey !== key ) {
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403 // The next ancestor with a _tmplitem expando is on a different key than this one.
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404 // So this is a top-level element within this template item
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405 // Set pntNode to the key of the parentNode, or to 0 if pntNode.parentNode is null, or pntNode is a fragment.
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406 pntNode = pntNode.parentNode ? (pntNode.nodeType === 11 ? 0 : (pntNode.getAttribute( tmplItmAtt ) || 0)) : 0;
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407 if ( !(tmplItem = newTmplItems[key]) ) {
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408 // The item is for wrapped content, and was copied from the temporary parent wrappedItem.
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409 tmplItem = wrappedItems[key];
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410 tmplItem = newTmplItem( tmplItem, newTmplItems[pntNode]||wrappedItems[pntNode], null, true );
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411 tmplItem.key = ++itemKey;
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412 newTmplItems[itemKey] = tmplItem;
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413 }
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414 if ( cloneIndex ) {
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415 cloneTmplItem( key );
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416 }
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417 }
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418 el.removeAttribute( tmplItmAtt );
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419 } else if ( cloneIndex && (tmplItem = jQuery.data( el, "tmplItem" )) ) {
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420 // This was a rendered element, cloned during append or appendTo etc.
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421 // TmplItem stored in jQuery data has already been cloned in cloneCopyEvent. We must replace it with a fresh cloned tmplItem.
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422 cloneTmplItem( tmplItem.key );
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423 newTmplItems[tmplItem.key] = tmplItem;
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424 pntNode = jQuery.data( el.parentNode, "tmplItem" );
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425 pntNode = pntNode ? pntNode.key : 0;
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426 }
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427 if ( tmplItem ) {
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428 pntItem = tmplItem;
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429 // Find the template item of the parent element.
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430 // (Using !=, not !==, since pntItem.key is number, and pntNode may be a string)
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431 while ( pntItem && pntItem.key != pntNode ) {
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432 // Add this element as a top-level node for this rendered template item, as well as for any
|
|
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433 // ancestor items between this item and the item of its parent element
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434 pntItem.nodes.push( el );
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435 pntItem = pntItem.parent;
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|
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436 }
|
|
|
437 // Delete content built during rendering - reduce API surface area and memory use, and avoid exposing of stale data after rendering...
|
|
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438 delete tmplItem._ctnt;
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439 delete tmplItem._wrap;
|
|
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440 // Store template item as jQuery data on the element
|
|
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441 jQuery.data( el, "tmplItem", tmplItem );
|
|
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442 }
|
|
|
443 function cloneTmplItem( key ) {
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|
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444 key = key + keySuffix;
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|
|
445 tmplItem = newClonedItems[key] =
|
|
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446 (newClonedItems[key] || newTmplItem( tmplItem, newTmplItems[tmplItem.parent.key + keySuffix] || tmplItem.parent, null, true ));
|
|
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447 }
|
|
|
448 }
|
|
|
449 }
|
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450
|
|
|
451 //---- Helper functions for template item ----
|
|
|
452
|
|
|
453 function tiCalls( content, tmpl, data, options ) {
|
|
|
454 if ( !content ) {
|
|
|
455 return stack.pop();
|
|
|
456 }
|
|
|
457 stack.push({ _: content, tmpl: tmpl, item:this, data: data, options: options });
|
|
|
458 }
|
|
|
459
|
|
|
460 function tiNest( tmpl, data, options ) {
|
|
|
461 // nested template, using {{tmpl}} tag
|
|
|
462 return jQuery.tmpl( jQuery.template( tmpl ), data, options, this );
|
|
|
463 }
|
|
|
464
|
|
|
465 function tiWrap( call, wrapped ) {
|
|
|
466 // nested template, using {{wrap}} tag
|
|
|
467 var options = call.options || {};
|
|
|
468 options.wrapped = wrapped;
|
|
|
469 // Apply the template, which may incorporate wrapped content,
|
|
|
470 return jQuery.tmpl( jQuery.template( call.tmpl ), call.data, options, call.item );
|
|
|
471 }
|
|
|
472
|
|
|
473 function tiHtml( filter, textOnly ) {
|
|
|
474 var wrapped = this._wrap;
|
|
|
475 return jQuery.map(
|
|
|
476 jQuery( jQuery.isArray( wrapped ) ? wrapped.join("") : wrapped ).filter( filter || "*" ),
|
|
|
477 function(e) {
|
|
|
478 return textOnly ?
|
|
|
479 e.innerText || e.textContent :
|
|
|
480 e.outerHTML || outerHtml(e);
|
|
|
481 });
|
|
|
482 }
|
|
|
483
|
|
|
484 function tiUpdate() {
|
|
|
485 var coll = this.nodes;
|
|
|
486 jQuery.tmpl( null, null, null, this).insertBefore( coll[0] );
|
|
|
487 jQuery( coll ).remove();
|
|
|
488 }
|
|
|
489 })( jQuery );
|
