1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for * full list of contributors). Published under the Clear BSD license. * See http://svn.openlayers.org/trunk/openlayers/license.txt for the * full text of the license. */ /** * @requires OpenLayers/Format/WMC/v1.js */ /** * Class: OpenLayers.Format.WMC.v1_1_0 * Read and write WMC version 1.1.0. * * Differences between 1.1.0 and 1.0.0: * - 1.1.0 Layers have optional sld:MinScaleDenominator and * sld:MaxScaleDenominator * * Inherits from: * - <OpenLayers.Format.WMC.v1> */ OpenLayers.Format.WMC.v1_1_0 = OpenLayers.Class( OpenLayers.Format.WMC.v1, { /** * Constant: VERSION * {String} 1.1.0 */ VERSION: "1.1.0", /** * Property: schemaLocation * {String} http://www.opengis.net/context * http://schemas.opengis.net/context/1.1.0/context.xsd */ schemaLocation: "http://www.opengis.net/context http://schemas.opengis.net/context/1.1.0/context.xsd", /** * Constructor: OpenLayers.Format.WMC.v1_1_0 * Instances of this class are not created directly. Use the * <OpenLayers.Format.WMC> constructor instead. * * Parameters: * options - {Object} An optional object whose properties will be set on * this instance. */ initialize: function(options) { OpenLayers.Format.WMC.v1.prototype.initialize.apply( this, [options] ); }, /** * Method: read_sld_MinScaleDenominator * Read a sld:MinScaleDenominator node. * * Parameters: * layerContext - {Object} An object representing a layer. * node - {Element} An element node. */ read_sld_MinScaleDenominator: function(layerContext, node) { var minScaleDenominator = parseFloat(this.getChildValue(node)); if (minScaleDenominator > 0) { layerContext.maxScale = minScaleDenominator; } }, /** * Method: read_sld_MaxScaleDenominator * Read a sld:MaxScaleDenominator node. * * Parameters: * layerContext - {Object} An object representing a layer. * node - {Element} An element node. */ read_sld_MaxScaleDenominator: function(layerContext, node) { layerContext.minScale = parseFloat(this.getChildValue(node)); }, /** * Method: write_wmc_Layer * Create a Layer node given a layer context object. This method adds * elements specific to version 1.1.0. * * Parameters: * context - {Object} A layer context object.} * * Returns: * {Element} A WMC Layer element node. */ write_wmc_Layer: function(context) { var node = OpenLayers.Format.WMC.v1.prototype.write_wmc_Layer.apply( this, [context] ); // min/max scale denominator elements go before the 4th element in v1 if(context.maxScale) { var minSD = this.createElementNS( this.namespaces.sld, "sld:MinScaleDenominator" ); minSD.appendChild(this.createTextNode(context.maxScale.toPrecision(16))); node.appendChild(minSD); } if(context.minScale) { var maxSD = this.createElementNS( this.namespaces.sld, "sld:MaxScaleDenominator" ); maxSD.appendChild(this.createTextNode(context.minScale.toPrecision(16))); node.appendChild(maxSD); } // optional FormatList element node.appendChild(this.write_wmc_FormatList(context)); // optional StyleList element node.appendChild(this.write_wmc_StyleList(context)); // OpenLayers specific properties go in an Extension element node.appendChild(this.write_wmc_LayerExtension(context)); return node; }, CLASS_NAME: "OpenLayers.Format.WMC.v1_1_0" }); |