[76] | 1 | /** |
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| 2 | * Copyright (c) 2008-2010 The Open Source Geospatial Foundation |
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| 3 | * |
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| 4 | * Published under the BSD license. |
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| 5 | * See http://svn.geoext.org/core/trunk/geoext/license.txt for the full text |
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| 6 | * of the license. |
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| 7 | */ |
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| 8 | |
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| 9 | Ext.namespace("GeoExt.form"); |
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| 10 | |
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| 11 | /** private: function[toFilter] |
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| 12 | * :param form: ``Ext.form.BasicForm|Ext.form.FormPanel`` |
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| 13 | * :param logicalOp: ``String`` Either ``OpenLayers.Filter.Logical.AND`` or |
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| 14 | * ``OpenLayers.Filter.Logical.OR``, set to |
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| 15 | * ``OpenLayers.Filter.Logical.AND`` if null or undefined |
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| 16 | * :param wildcard: ``Integer`` Determines the wildcard behaviour of like |
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| 17 | * queries. This behaviour can either be: none, prepend, append or both. |
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| 18 | * |
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| 19 | * :return: ``OpenLayers.Filter`` |
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| 20 | * |
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| 21 | * Create an {OpenLayers.Filter} object from a {Ext.form.BasicForm} |
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| 22 | * or a {Ext.form.FormPanel} instance. |
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| 23 | */ |
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| 24 | GeoExt.form.toFilter = function(form, logicalOp, wildcard) { |
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| 25 | if(form instanceof Ext.form.FormPanel) { |
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| 26 | form = form.getForm(); |
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| 27 | } |
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| 28 | var filters = [], values = form.getValues(false); |
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| 29 | for(var prop in values) { |
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| 30 | var s = prop.split("__"); |
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| 31 | |
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| 32 | var value = values[prop], type; |
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| 33 | |
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| 34 | if(s.length > 1 && |
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| 35 | (type = GeoExt.form.toFilter.FILTER_MAP[s[1]]) !== undefined) { |
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| 36 | prop = s[0]; |
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| 37 | } else { |
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| 38 | type = OpenLayers.Filter.Comparison.EQUAL_TO; |
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| 39 | } |
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| 40 | |
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| 41 | if (type === OpenLayers.Filter.Comparison.LIKE) { |
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| 42 | switch(wildcard) { |
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| 43 | case GeoExt.form.ENDS_WITH: |
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| 44 | value = '.*' + value; |
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| 45 | break; |
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| 46 | case GeoExt.form.STARTS_WITH: |
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| 47 | value += '.*'; |
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| 48 | break; |
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| 49 | case GeoExt.form.CONTAINS: |
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| 50 | value = '.*' + value + '.*'; |
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| 51 | break; |
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| 52 | default: |
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| 53 | // do nothing, just take the value |
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| 54 | break; |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | filters.push( |
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| 59 | new OpenLayers.Filter.Comparison({ |
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| 60 | type: type, |
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| 61 | value: value, |
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| 62 | property: prop |
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| 63 | }) |
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| 64 | ); |
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| 65 | } |
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| 66 | |
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| 67 | return new OpenLayers.Filter.Logical({ |
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| 68 | type: logicalOp || OpenLayers.Filter.Logical.AND, |
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| 69 | filters: filters |
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| 70 | }); |
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| 71 | }; |
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| 72 | |
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| 73 | /** private: constant[FILTER_MAP] |
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| 74 | * An object mapping operator strings as found in field names to |
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| 75 | * ``OpenLayers.Filter.Comparison`` types. |
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| 76 | */ |
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| 77 | GeoExt.form.toFilter.FILTER_MAP = { |
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| 78 | "eq": OpenLayers.Filter.Comparison.EQUAL_TO, |
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| 79 | "ne": OpenLayers.Filter.Comparison.NOT_EQUAL_TO, |
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| 80 | "lt": OpenLayers.Filter.Comparison.LESS_THAN, |
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| 81 | "le": OpenLayers.Filter.Comparison.LESS_THAN_OR_EQUAL_TO, |
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| 82 | "gt": OpenLayers.Filter.Comparison.GREATER_THAN, |
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| 83 | "ge": OpenLayers.Filter.Comparison.GREATER_THAN_OR_EQUAL_TO, |
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| 84 | "like": OpenLayers.Filter.Comparison.LIKE |
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| 85 | }; |
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| 86 | |
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| 87 | GeoExt.form.ENDS_WITH = 1; |
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| 88 | GeoExt.form.STARTS_WITH = 2; |
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| 89 | GeoExt.form.CONTAINS = 3; |
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| 90 | |
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| 91 | /** private: function[recordToField] |
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| 92 | * :param record: ``Ext.data.Record``, typically from an attributeStore |
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| 93 | * |
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| 94 | * :return: ``Object`` An object literal with a xtype property, use |
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| 95 | * ``Ext.ComponentMgr.create`` (or ``Ext.create`` in Ext 3) to create |
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| 96 | * an ``Ext.form.Field`` from this object. |
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| 97 | * |
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| 98 | * This function can be used to create an ``Ext.form.Field`` from |
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| 99 | * an ``Ext.data.Record`` containing name, type, restriction and |
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| 100 | * label fields. |
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| 101 | */ |
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| 102 | GeoExt.form.recordToField = function(record) { |
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| 103 | var type = record.get("type"); |
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| 104 | |
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| 105 | if(typeof type === "object" && type.xtype) { |
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| 106 | // we have an xtype'd object literal in the type |
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| 107 | // field, just return it |
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| 108 | return type; |
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| 109 | } |
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| 110 | |
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| 111 | var field; |
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| 112 | |
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| 113 | var name = record.get("name"); |
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| 114 | var label = record.get("label"); |
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| 115 | var restriction = record.get("restriction") || {}; |
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| 116 | |
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| 117 | // use name for label if label isn't defined in the record |
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| 118 | if(label == null) { |
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| 119 | label = name; |
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| 120 | } |
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| 121 | |
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| 122 | type = type.split(":").pop(); // remove ns prefix |
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| 123 | |
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| 124 | var r = GeoExt.form.recordToField.REGEXES; |
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| 125 | |
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| 126 | if(type.match(r["text"])) { |
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| 127 | var maxLength = restriction["maxLength"] !== undefined ? |
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| 128 | parseFloat(restriction["maxLength"]) : undefined; |
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| 129 | var minLength = restriction["minLength"] !== undefined ? |
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| 130 | parseFloat(restriction["minLength"]) : undefined; |
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| 131 | field = { |
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| 132 | xtype: "textfield", |
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| 133 | name: name, |
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| 134 | fieldLabel: label, |
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| 135 | maxLength: maxLength, |
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| 136 | minLength: minLength |
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| 137 | }; |
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| 138 | } else if(type.match(r["number"])) { |
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| 139 | var maxValue = restriction["maxInclusive"] !== undefined ? |
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| 140 | parseFloat(restriction["maxInclusive"]) : undefined; |
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| 141 | var minValue = restriction["minInclusive"] !== undefined ? |
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| 142 | parseFloat(restriction["minInclusive"]) : undefined; |
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| 143 | field = { |
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| 144 | xtype: "numberfield", |
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| 145 | name: name, |
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| 146 | fieldLabel: label, |
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| 147 | maxValue: maxValue, |
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| 148 | minValue: minValue |
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| 149 | }; |
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| 150 | } else if(type.match(r["boolean"])) { |
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| 151 | field = { |
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| 152 | xtype: "checkbox", |
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| 153 | name: name, |
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| 154 | boxLabel: label |
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| 155 | }; |
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| 156 | } else if(type.match(r["date"])) { |
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| 157 | field = { |
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| 158 | xtype: "datefield", |
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| 159 | fieldLabel: label, |
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| 160 | name: name |
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| 161 | }; |
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| 162 | } |
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| 163 | |
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| 164 | return field; |
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| 165 | } |
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| 166 | |
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| 167 | /** private: constant[REGEXES] |
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| 168 | * ``Object`` Regular expressions for determining what type |
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| 169 | * of field to create from an attribute record. |
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| 170 | */ |
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| 171 | GeoExt.form.recordToField.REGEXES = { |
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| 172 | "text": new RegExp( |
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| 173 | "^(text|string)$", "i" |
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| 174 | ), |
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| 175 | "number": new RegExp( |
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| 176 | "^(number|float|decimal|double|int|long|integer|short)$", "i" |
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| 177 | ), |
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| 178 | "boolean": new RegExp( |
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| 179 | "^(boolean)$", "i" |
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| 180 | ), |
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| 181 | "date": new RegExp( |
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| 182 | "^(dateTime)$", "i" |
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| 183 | ) |
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| 184 | }; |
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