1 | define(["./query", "./_base/lang", "./_base/array"], function(dquery, lang, array) { |
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2 | // module: |
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3 | // dojo/NodeList-traverse |
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4 | // summary: |
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5 | // TODOC |
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6 | |
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7 | var NodeList = dquery.NodeList; |
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8 | |
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9 | /*===== |
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10 | dojo["NodeList-traverse"] = { |
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11 | // summary: Adds a chainable methods to dojo.query() / Nodelist instances for traversing the DOM |
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12 | }; |
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13 | |
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14 | // doc alias helpers: |
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15 | NodeList = dojo.NodeList; |
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16 | =====*/ |
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17 | |
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18 | lang.extend(NodeList, { |
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19 | _buildArrayFromCallback: function(/*Function*/callback){ |
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20 | // summary: |
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21 | // builds a new array of possibly differing size based on the input list. |
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22 | // Since the returned array is likely of different size than the input array, |
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23 | // the array's map function cannot be used. |
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24 | var ary = []; |
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25 | for(var i = 0; i < this.length; i++){ |
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26 | var items = callback.call(this[i], this[i], ary); |
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27 | if(items){ |
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28 | ary = ary.concat(items); |
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29 | } |
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30 | } |
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31 | return ary; //Array |
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32 | }, |
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33 | |
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34 | _getUniqueAsNodeList: function(/*Array*/ nodes){ |
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35 | // summary: |
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36 | // given a list of nodes, make sure only unique |
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37 | // elements are returned as our NodeList object. |
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38 | // Does not call _stash(). |
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39 | var ary = []; |
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40 | //Using for loop for better speed. |
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41 | for(var i = 0, node; node = nodes[i]; i++){ |
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42 | //Should be a faster way to do this. dojo.query has a private |
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43 | //_zip function that may be inspirational, but there are pathways |
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44 | //in query that force nozip? |
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45 | if(node.nodeType == 1 && array.indexOf(ary, node) == -1){ |
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46 | ary.push(node); |
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47 | } |
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48 | } |
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49 | return this._wrap(ary, null, this._NodeListCtor); //dojo.NodeList |
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50 | }, |
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51 | |
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52 | _getUniqueNodeListWithParent: function(/*Array*/ nodes, /*String*/ query){ |
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53 | // summary: |
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54 | // gets unique element nodes, filters them further |
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55 | // with an optional query and then calls _stash to track parent NodeList. |
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56 | var ary = this._getUniqueAsNodeList(nodes); |
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57 | ary = (query ? dquery._filterResult(ary, query) : ary); |
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58 | return ary._stash(this); //dojo.NodeList |
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59 | }, |
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60 | |
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61 | _getRelatedUniqueNodes: function(/*String?*/ query, /*Function*/ callback){ |
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62 | // summary: |
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63 | // cycles over all the nodes and calls a callback |
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64 | // to collect nodes for a possible inclusion in a result. |
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65 | // The callback will get two args: callback(node, ary), |
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66 | // where ary is the array being used to collect the nodes. |
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67 | return this._getUniqueNodeListWithParent(this._buildArrayFromCallback(callback), query); //dojo.NodeList |
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68 | }, |
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69 | |
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70 | children: function(/*String?*/ query){ |
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71 | // summary: |
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72 | // Returns all immediate child elements for nodes in this dojo.NodeList. |
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73 | // Optionally takes a query to filter the child elements. |
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74 | // description: |
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75 | // .end() can be used on the returned dojo.NodeList to get back to the |
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76 | // original dojo.NodeList. |
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77 | // query: |
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78 | // a CSS selector. |
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79 | // returns: |
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80 | // dojo.NodeList, all immediate child elements for the nodes in this dojo.NodeList. |
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81 | // example: |
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82 | // assume a DOM created by this markup: |
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83 | // | <div class="container"> |
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84 | // | <div class="red">Red One</div> |
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85 | // | Some Text |
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86 | // | <div class="blue">Blue One</div> |
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87 | // | <div class="red">Red Two</div> |
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88 | // | <div class="blue">Blue Two</div> |
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89 | // | </div> |
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90 | // Running this code: |
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91 | // | dojo.query(".container").children(); |
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92 | // returns the four divs that are children of the container div. |
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93 | // Running this code: |
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94 | // | dojo.query(".container").children(".red"); |
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95 | // returns the two divs that have the class "red". |
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96 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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97 | return lang._toArray(node.childNodes); |
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98 | }); //dojo.NodeList |
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99 | }, |
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100 | |
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101 | closest: function(/*String*/ query, /*String|DOMNode?*/ root){ |
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102 | // summary: |
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103 | // Returns closest parent that matches query, including current node in this |
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104 | // dojo.NodeList if it matches the query. |
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105 | // description: |
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106 | // .end() can be used on the returned dojo.NodeList to get back to the |
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107 | // original dojo.NodeList. |
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108 | // query: |
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109 | // a CSS selector. |
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110 | // root: |
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111 | // If specified, query is relative to "root" rather than document body. |
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112 | // returns: |
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113 | // dojo.NodeList, the closest parent that matches the query, including the current |
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114 | // node in this dojo.NodeList if it matches the query. |
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115 | // example: |
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116 | // assume a DOM created by this markup: |
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117 | // | <div class="container"> |
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118 | // | <div class="red">Red One</div> |
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119 | // | Some Text |
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120 | // | <div class="blue">Blue One</div> |
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121 | // | <div class="red">Red Two</div> |
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122 | // | <div class="blue">Blue Two</div> |
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123 | // | </div> |
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124 | // Running this code: |
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125 | // | dojo.query(".red").closest(".container"); |
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126 | // returns the div with class "container". |
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127 | return this._getRelatedUniqueNodes(null, function(node, ary){ |
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128 | do{ |
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129 | if(dquery._filterResult([node], query, root).length){ |
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130 | return node; |
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131 | } |
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132 | }while(node != root && (node = node.parentNode) && node.nodeType == 1); |
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133 | return null; //To make rhino strict checking happy. |
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134 | }); //dojo.NodeList |
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135 | }, |
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136 | |
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137 | parent: function(/*String?*/ query){ |
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138 | // summary: |
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139 | // Returns immediate parent elements for nodes in this dojo.NodeList. |
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140 | // Optionally takes a query to filter the parent elements. |
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141 | // description: |
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142 | // .end() can be used on the returned dojo.NodeList to get back to the |
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143 | // original dojo.NodeList. |
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144 | // query: |
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145 | // a CSS selector. |
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146 | // returns: |
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147 | // dojo.NodeList, immediate parent elements for nodes in this dojo.NodeList. |
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148 | // example: |
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149 | // assume a DOM created by this markup: |
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150 | // | <div class="container"> |
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151 | // | <div class="red">Red One</div> |
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152 | // | <div class="blue first"><span class="text">Blue One</span></div> |
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153 | // | <div class="red">Red Two</div> |
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154 | // | <div class="blue"><span class="text">Blue Two</span></div> |
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155 | // | </div> |
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156 | // Running this code: |
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157 | // | dojo.query(".text").parent(); |
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158 | // returns the two divs with class "blue". |
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159 | // Running this code: |
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160 | // | dojo.query(".text").parent(".first"); |
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161 | // returns the one div with class "blue" and "first". |
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162 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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163 | return node.parentNode; |
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164 | }); //dojo.NodeList |
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165 | }, |
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166 | |
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167 | parents: function(/*String?*/ query){ |
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168 | // summary: |
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169 | // Returns all parent elements for nodes in this dojo.NodeList. |
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170 | // Optionally takes a query to filter the child elements. |
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171 | // description: |
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172 | // .end() can be used on the returned dojo.NodeList to get back to the |
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173 | // original dojo.NodeList. |
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174 | // query: |
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175 | // a CSS selector. |
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176 | // returns: |
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177 | // dojo.NodeList, all parent elements for nodes in this dojo.NodeList. |
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178 | // example: |
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179 | // assume a DOM created by this markup: |
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180 | // | <div class="container"> |
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181 | // | <div class="red">Red One</div> |
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182 | // | <div class="blue first"><span class="text">Blue One</span></div> |
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183 | // | <div class="red">Red Two</div> |
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184 | // | <div class="blue"><span class="text">Blue Two</span></div> |
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185 | // | </div> |
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186 | // Running this code: |
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187 | // | dojo.query(".text").parents(); |
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188 | // returns the two divs with class "blue", the div with class "container", |
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189 | // | the body element and the html element. |
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190 | // Running this code: |
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191 | // | dojo.query(".text").parents(".container"); |
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192 | // returns the one div with class "container". |
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193 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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194 | var pary = []; |
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195 | while(node.parentNode){ |
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196 | node = node.parentNode; |
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197 | pary.push(node); |
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198 | } |
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199 | return pary; |
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200 | }); //dojo.NodeList |
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201 | }, |
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202 | |
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203 | siblings: function(/*String?*/ query){ |
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204 | // summary: |
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205 | // Returns all sibling elements for nodes in this dojo.NodeList. |
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206 | // Optionally takes a query to filter the sibling elements. |
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207 | // description: |
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208 | // .end() can be used on the returned dojo.NodeList to get back to the |
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209 | // original dojo.NodeList. |
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210 | // query: |
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211 | // a CSS selector. |
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212 | // returns: |
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213 | // dojo.NodeList, all sibling elements for nodes in this dojo.NodeList. |
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214 | // example: |
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215 | // assume a DOM created by this markup: |
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216 | // | <div class="container"> |
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217 | // | <div class="red">Red One</div> |
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218 | // | Some Text |
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219 | // | <div class="blue first">Blue One</div> |
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220 | // | <div class="red">Red Two</div> |
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221 | // | <div class="blue">Blue Two</div> |
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222 | // | </div> |
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223 | // Running this code: |
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224 | // | dojo.query(".first").siblings(); |
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225 | // returns the two divs with class "red" and the other div |
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226 | // | with class "blue" that does not have "first". |
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227 | // Running this code: |
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228 | // | dojo.query(".first").siblings(".red"); |
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229 | // returns the two div with class "red". |
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230 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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231 | var pary = []; |
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232 | var nodes = (node.parentNode && node.parentNode.childNodes); |
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233 | for(var i = 0; i < nodes.length; i++){ |
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234 | if(nodes[i] != node){ |
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235 | pary.push(nodes[i]); |
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236 | } |
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237 | } |
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238 | return pary; |
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239 | }); //dojo.NodeList |
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240 | }, |
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241 | |
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242 | next: function(/*String?*/ query){ |
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243 | // summary: |
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244 | // Returns the next element for nodes in this dojo.NodeList. |
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245 | // Optionally takes a query to filter the next elements. |
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246 | // description: |
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247 | // .end() can be used on the returned dojo.NodeList to get back to the |
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248 | // original dojo.NodeList. |
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249 | // query: |
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250 | // a CSS selector. |
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251 | // returns: |
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252 | // dojo.NodeList, the next element for nodes in this dojo.NodeList. |
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253 | // example: |
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254 | // assume a DOM created by this markup: |
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255 | // | <div class="container"> |
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256 | // | <div class="red">Red One</div> |
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257 | // | Some Text |
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258 | // | <div class="blue first">Blue One</div> |
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259 | // | <div class="red">Red Two</div> |
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260 | // | <div class="blue last">Blue Two</div> |
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261 | // | </div> |
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262 | // Running this code: |
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263 | // | dojo.query(".first").next(); |
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264 | // returns the div with class "red" and has innerHTML of "Red Two". |
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265 | // Running this code: |
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266 | // | dojo.query(".last").next(".red"); |
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267 | // does not return any elements. |
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268 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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269 | var next = node.nextSibling; |
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270 | while(next && next.nodeType != 1){ |
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271 | next = next.nextSibling; |
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272 | } |
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273 | return next; |
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274 | }); //dojo.NodeList |
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275 | }, |
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276 | |
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277 | nextAll: function(/*String?*/ query){ |
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278 | // summary: |
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279 | // Returns all sibling elements that come after the nodes in this dojo.NodeList. |
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280 | // Optionally takes a query to filter the sibling elements. |
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281 | // description: |
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282 | // .end() can be used on the returned dojo.NodeList to get back to the |
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283 | // original dojo.NodeList. |
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284 | // query: |
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285 | // a CSS selector. |
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286 | // returns: |
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287 | // dojo.NodeList, all sibling elements that come after the nodes in this dojo.NodeList. |
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288 | // example: |
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289 | // assume a DOM created by this markup: |
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290 | // | <div class="container"> |
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291 | // | <div class="red">Red One</div> |
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292 | // | Some Text |
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293 | // | <div class="blue first">Blue One</div> |
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294 | // | <div class="red next">Red Two</div> |
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295 | // | <div class="blue next">Blue Two</div> |
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296 | // | </div> |
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297 | // Running this code: |
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298 | // | dojo.query(".first").nextAll(); |
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299 | // returns the two divs with class of "next". |
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300 | // Running this code: |
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301 | // | dojo.query(".first").nextAll(".red"); |
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302 | // returns the one div with class "red" and innerHTML "Red Two". |
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303 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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304 | var pary = []; |
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305 | var next = node; |
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306 | while((next = next.nextSibling)){ |
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307 | if(next.nodeType == 1){ |
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308 | pary.push(next); |
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309 | } |
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310 | } |
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311 | return pary; |
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312 | }); //dojo.NodeList |
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313 | }, |
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314 | |
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315 | prev: function(/*String?*/ query){ |
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316 | // summary: |
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317 | // Returns the previous element for nodes in this dojo.NodeList. |
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318 | // Optionally takes a query to filter the previous elements. |
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319 | // description: |
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320 | // .end() can be used on the returned dojo.NodeList to get back to the |
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321 | // original dojo.NodeList. |
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322 | // query: |
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323 | // a CSS selector. |
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324 | // returns: |
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325 | // dojo.NodeList, the previous element for nodes in this dojo.NodeList. |
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326 | // example: |
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327 | // assume a DOM created by this markup: |
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328 | // | <div class="container"> |
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329 | // | <div class="red">Red One</div> |
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330 | // | Some Text |
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331 | // | <div class="blue first">Blue One</div> |
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332 | // | <div class="red">Red Two</div> |
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333 | // | <div class="blue">Blue Two</div> |
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334 | // | </div> |
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335 | // Running this code: |
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336 | // | dojo.query(".first").prev(); |
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337 | // returns the div with class "red" and has innerHTML of "Red One". |
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338 | // Running this code: |
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339 | // | dojo.query(".first").prev(".blue"); |
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340 | // does not return any elements. |
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341 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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342 | var prev = node.previousSibling; |
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343 | while(prev && prev.nodeType != 1){ |
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344 | prev = prev.previousSibling; |
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345 | } |
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346 | return prev; |
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347 | }); //dojo.NodeList |
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348 | }, |
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349 | |
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350 | prevAll: function(/*String?*/ query){ |
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351 | // summary: |
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352 | // Returns all sibling elements that come before the nodes in this dojo.NodeList. |
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353 | // Optionally takes a query to filter the sibling elements. |
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354 | // description: |
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355 | // The returned nodes will be in reverse DOM order -- the first node in the list will |
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356 | // be the node closest to the original node/NodeList. |
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357 | // .end() can be used on the returned dojo.NodeList to get back to the |
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358 | // original dojo.NodeList. |
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359 | // query: |
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360 | // a CSS selector. |
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361 | // returns: |
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362 | // dojo.NodeList, all sibling elements that come before the nodes in this dojo.NodeList. |
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363 | // example: |
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364 | // assume a DOM created by this markup: |
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365 | // | <div class="container"> |
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366 | // | <div class="red prev">Red One</div> |
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367 | // | Some Text |
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368 | // | <div class="blue prev">Blue One</div> |
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369 | // | <div class="red second">Red Two</div> |
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370 | // | <div class="blue">Blue Two</div> |
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371 | // | </div> |
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372 | // Running this code: |
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373 | // | dojo.query(".second").prevAll(); |
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374 | // returns the two divs with class of "prev". |
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375 | // Running this code: |
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376 | // | dojo.query(".first").prevAll(".red"); |
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377 | // returns the one div with class "red prev" and innerHTML "Red One". |
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378 | return this._getRelatedUniqueNodes(query, function(node, ary){ |
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379 | var pary = []; |
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380 | var prev = node; |
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381 | while((prev = prev.previousSibling)){ |
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382 | if(prev.nodeType == 1){ |
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383 | pary.push(prev); |
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384 | } |
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385 | } |
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386 | return pary; |
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387 | }); //dojo.NodeList |
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388 | }, |
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389 | |
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390 | andSelf: function(){ |
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391 | // summary: |
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392 | // Adds the nodes from the previous dojo.NodeList to the current dojo.NodeList. |
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393 | // description: |
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394 | // .end() can be used on the returned dojo.NodeList to get back to the |
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395 | // original dojo.NodeList. |
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396 | // returns: |
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397 | // dojo.NodeList |
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398 | // example: |
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399 | // assume a DOM created by this markup: |
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400 | // | <div class="container"> |
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401 | // | <div class="red prev">Red One</div> |
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402 | // | Some Text |
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403 | // | <div class="blue prev">Blue One</div> |
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404 | // | <div class="red second">Red Two</div> |
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405 | // | <div class="blue">Blue Two</div> |
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406 | // | </div> |
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407 | // Running this code: |
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408 | // | dojo.query(".second").prevAll().andSelf(); |
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409 | // returns the two divs with class of "prev", as well as the div with class "second". |
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410 | return this.concat(this._parent); //dojo.NodeList |
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411 | }, |
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412 | |
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413 | //Alternate methods for the :first/:last/:even/:odd pseudos. |
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414 | first: function(){ |
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415 | // summary: |
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416 | // Returns the first node in this dojo.NodeList as a dojo.NodeList. |
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417 | // description: |
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418 | // .end() can be used on the returned dojo.NodeList to get back to the |
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419 | // original dojo.NodeList. |
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420 | // returns: |
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421 | // dojo.NodeList, with the first node in this dojo.NodeList |
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422 | // example: |
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423 | // assume a DOM created by this markup: |
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424 | // | <div class="container"> |
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425 | // | <div class="red">Red One</div> |
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426 | // | <div class="blue first">Blue One</div> |
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427 | // | <div class="red">Red Two</div> |
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428 | // | <div class="blue last">Blue Two</div> |
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429 | // | </div> |
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430 | // Running this code: |
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431 | // | dojo.query(".blue").first(); |
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432 | // returns the div with class "blue" and "first". |
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433 | return this._wrap(((this[0] && [this[0]]) || []), this); //dojo.NodeList |
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434 | }, |
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435 | |
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436 | last: function(){ |
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437 | // summary: |
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438 | // Returns the last node in this dojo.NodeList as a dojo.NodeList. |
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439 | // description: |
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440 | // .end() can be used on the returned dojo.NodeList to get back to the |
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441 | // original dojo.NodeList. |
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442 | // returns: |
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443 | // dojo.NodeList, with the last node in this dojo.NodeList |
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444 | // example: |
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445 | // assume a DOM created by this markup: |
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446 | // | <div class="container"> |
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447 | // | <div class="red">Red One</div> |
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448 | // | <div class="blue first">Blue One</div> |
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449 | // | <div class="red">Red Two</div> |
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450 | // | <div class="blue last">Blue Two</div> |
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451 | // | </div> |
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452 | // Running this code: |
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453 | // | dojo.query(".blue").last(); |
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454 | // returns the last div with class "blue", |
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455 | return this._wrap((this.length ? [this[this.length - 1]] : []), this); //dojo.NodeList |
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456 | }, |
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457 | |
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458 | even: function(){ |
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459 | // summary: |
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460 | // Returns the even nodes in this dojo.NodeList as a dojo.NodeList. |
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461 | // description: |
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462 | // .end() can be used on the returned dojo.NodeList to get back to the |
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463 | // original dojo.NodeList. |
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464 | // returns: |
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465 | // dojo.NodeList, with the even nodes in this dojo.NodeList |
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466 | // example: |
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467 | // assume a DOM created by this markup: |
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468 | // | <div class="container"> |
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469 | // | <div class="interior red">Red One</div> |
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470 | // | <div class="interior blue">Blue One</div> |
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471 | // | <div class="interior red">Red Two</div> |
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472 | // | <div class="interior blue">Blue Two</div> |
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473 | // | </div> |
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474 | // Running this code: |
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475 | // | dojo.query(".interior").even(); |
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476 | // returns the two divs with class "blue" |
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477 | return this.filter(function(item, i){ |
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478 | return i % 2 != 0; |
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479 | }); //dojo.NodeList |
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480 | }, |
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481 | |
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482 | odd: function(){ |
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483 | // summary: |
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484 | // Returns the odd nodes in this dojo.NodeList as a dojo.NodeList. |
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485 | // description: |
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486 | // .end() can be used on the returned dojo.NodeList to get back to the |
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487 | // original dojo.NodeList. |
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488 | // returns: |
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489 | // dojo.NodeList, with the odd nodes in this dojo.NodeList |
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490 | // example: |
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491 | // assume a DOM created by this markup: |
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492 | // | <div class="container"> |
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493 | // | <div class="interior red">Red One</div> |
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494 | // | <div class="interior blue">Blue One</div> |
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495 | // | <div class="interior red">Red Two</div> |
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496 | // | <div class="interior blue">Blue Two</div> |
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497 | // | </div> |
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498 | // Running this code: |
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499 | // | dojo.query(".interior").odd(); |
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500 | // returns the two divs with class "red" |
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501 | return this.filter(function(item, i){ |
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502 | return i % 2 == 0; |
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503 | }); //dojo.NodeList |
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504 | } |
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505 | }); |
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506 | |
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507 | return NodeList; |
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508 | }); |
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