1 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for |
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2 | * full list of contributors). Published under the Clear BSD license. |
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3 | * See http://svn.openlayers.org/trunk/openlayers/license.txt for the |
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4 | * full text of the license. */ |
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5 | |
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6 | /** |
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7 | * @requires OpenLayers/Format/GML/v2.js |
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8 | * @requires OpenLayers/Format/Filter/v1.js |
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9 | */ |
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10 | |
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11 | /** |
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12 | * Class: OpenLayers.Format.Filter.v1_0_0 |
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13 | * Write ogc:Filter version 1.0.0. |
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14 | * |
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15 | * Inherits from: |
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16 | * - <OpenLayers.Format.GML.v2> |
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17 | * - <OpenLayers.Format.Filter.v1> |
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18 | */ |
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19 | OpenLayers.Format.Filter.v1_0_0 = OpenLayers.Class( |
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20 | OpenLayers.Format.GML.v2, OpenLayers.Format.Filter.v1, { |
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21 | |
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22 | /** |
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23 | * Constant: VERSION |
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24 | * {String} 1.0.0 |
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25 | */ |
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26 | VERSION: "1.0.0", |
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27 | |
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28 | /** |
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29 | * Property: schemaLocation |
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30 | * {String} http://www.opengis.net/ogc/filter/1.0.0/filter.xsd |
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31 | */ |
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32 | schemaLocation: "http://www.opengis.net/ogc/filter/1.0.0/filter.xsd", |
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33 | |
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34 | /** |
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35 | * Constructor: OpenLayers.Format.Filter.v1_0_0 |
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36 | * Instances of this class are not created directly. Use the |
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37 | * <OpenLayers.Format.Filter> constructor instead. |
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38 | * |
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39 | * Parameters: |
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40 | * options - {Object} An optional object whose properties will be set on |
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41 | * this instance. |
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42 | */ |
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43 | initialize: function(options) { |
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44 | OpenLayers.Format.GML.v2.prototype.initialize.apply( |
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45 | this, [options] |
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46 | ); |
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47 | }, |
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48 | |
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49 | /** |
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50 | * Property: readers |
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51 | * Contains public functions, grouped by namespace prefix, that will |
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52 | * be applied when a namespaced node is found matching the function |
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53 | * name. The function will be applied in the scope of this parser |
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54 | * with two arguments: the node being read and a context object passed |
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55 | * from the parent. |
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56 | */ |
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57 | readers: { |
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58 | "ogc": OpenLayers.Util.applyDefaults({ |
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59 | "PropertyIsEqualTo": function(node, obj) { |
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60 | var filter = new OpenLayers.Filter.Comparison({ |
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61 | type: OpenLayers.Filter.Comparison.EQUAL_TO |
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62 | }); |
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63 | this.readChildNodes(node, filter); |
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64 | obj.filters.push(filter); |
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65 | }, |
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66 | "PropertyIsNotEqualTo": function(node, obj) { |
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67 | var filter = new OpenLayers.Filter.Comparison({ |
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68 | type: OpenLayers.Filter.Comparison.NOT_EQUAL_TO |
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69 | }); |
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70 | this.readChildNodes(node, filter); |
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71 | obj.filters.push(filter); |
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72 | }, |
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73 | "PropertyIsLike": function(node, obj) { |
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74 | var filter = new OpenLayers.Filter.Comparison({ |
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75 | type: OpenLayers.Filter.Comparison.LIKE |
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76 | }); |
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77 | this.readChildNodes(node, filter); |
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78 | var wildCard = node.getAttribute("wildCard"); |
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79 | var singleChar = node.getAttribute("singleChar"); |
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80 | var esc = node.getAttribute("escape"); |
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81 | filter.value2regex(wildCard, singleChar, esc); |
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82 | obj.filters.push(filter); |
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83 | } |
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84 | }, OpenLayers.Format.Filter.v1.prototype.readers["ogc"]), |
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85 | "gml": OpenLayers.Format.GML.v2.prototype.readers["gml"], |
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86 | "feature": OpenLayers.Format.GML.v2.prototype.readers["feature"] |
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87 | }, |
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88 | |
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89 | /** |
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90 | * Property: writers |
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91 | * As a compliment to the readers property, this structure contains public |
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92 | * writing functions grouped by namespace alias and named like the |
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93 | * node names they produce. |
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94 | */ |
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95 | writers: { |
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96 | "ogc": OpenLayers.Util.applyDefaults({ |
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97 | "PropertyIsEqualTo": function(filter) { |
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98 | var node = this.createElementNSPlus("ogc:PropertyIsEqualTo"); |
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99 | // no ogc:expression handling for now |
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100 | this.writeNode("PropertyName", filter, node); |
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101 | this.writeNode("Literal", filter.value, node); |
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102 | return node; |
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103 | }, |
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104 | "PropertyIsNotEqualTo": function(filter) { |
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105 | var node = this.createElementNSPlus("ogc:PropertyIsNotEqualTo"); |
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106 | // no ogc:expression handling for now |
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107 | this.writeNode("PropertyName", filter, node); |
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108 | this.writeNode("Literal", filter.value, node); |
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109 | return node; |
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110 | }, |
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111 | "PropertyIsLike": function(filter) { |
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112 | var node = this.createElementNSPlus("ogc:PropertyIsLike", { |
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113 | attributes: { |
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114 | wildCard: "*", singleChar: ".", escape: "!" |
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115 | } |
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116 | }); |
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117 | // no ogc:expression handling for now |
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118 | this.writeNode("PropertyName", filter, node); |
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119 | // convert regex string to ogc string |
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120 | this.writeNode("Literal", filter.regex2value(), node); |
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121 | return node; |
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122 | }, |
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123 | "BBOX": function(filter) { |
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124 | var node = this.createElementNSPlus("ogc:BBOX"); |
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125 | this.writeNode("PropertyName", filter, node); |
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126 | var box = this.writeNode("gml:Box", filter.value, node); |
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127 | if(filter.projection) { |
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128 | box.setAttribute("srsName", filter.projection); |
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129 | } |
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130 | return node; |
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131 | }}, OpenLayers.Format.Filter.v1.prototype.writers["ogc"]), |
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132 | |
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133 | "gml": OpenLayers.Format.GML.v2.prototype.writers["gml"], |
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134 | "feature": OpenLayers.Format.GML.v2.prototype.writers["feature"] |
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135 | |
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136 | }, |
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137 | |
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138 | /** |
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139 | * Method: writeSpatial |
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140 | * |
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141 | * Read a {<OpenLayers.Filter.Spatial>} filter and converts it into XML. |
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142 | * |
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143 | * Parameters: |
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144 | * filter - {<OpenLayers.Filter.Spatial>} The filter. |
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145 | * name - {String} Name of the generated XML element. |
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146 | * |
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147 | * Returns: |
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148 | * {DOMElement} The created XML element. |
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149 | */ |
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150 | writeSpatial: function(filter, name) { |
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151 | var node = this.createElementNSPlus("ogc:"+name); |
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152 | this.writeNode("PropertyName", filter, node); |
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153 | var child; |
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154 | if(filter.value instanceof OpenLayers.Geometry) { |
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155 | child = this.writeNode("feature:_geometry", filter.value).firstChild; |
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156 | } else { |
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157 | child = this.writeNode("gml:Box", filter.value); |
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158 | } |
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159 | if(filter.projection) { |
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160 | child.setAttribute("srsName", filter.projection); |
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161 | } |
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162 | node.appendChild(child); |
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163 | return node; |
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164 | }, |
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165 | |
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166 | |
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167 | CLASS_NAME: "OpenLayers.Format.Filter.v1_0_0" |
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168 | |
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169 | }); |
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