Adding Web Map Context document parsing for versions 1.0.0 and 1.1.0. This also adds a cross browser setAttributeNS to the XML format. Thanks bartvde for supporting this work. r=crschmidt (closes #100)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@5919 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2008-01-28 16:39:05 +00:00
parent a14418f53f
commit 44f7ebdc22
9 changed files with 1440 additions and 0 deletions
--- a/lib/OpenLayers/Format/WMC/v1_1_0.js
+++ b/lib/OpenLayers/Format/WMC/v1_1_0.js
@@ -0,0 +1,110 @@
+/* Copyright (c) 2006-2008 MetaCarta, Inc., 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:
+     * layerInfo - {Object} An object representing a layer.
+     * node - {Element} An element node.
+     */
+    read_sld_MinScaleDenominator: function(layerInfo, node) {
+        layerInfo.options.maxScale = this.getChildValue(node);
+    },
+
+    /**
+     * Method: read_sld_MaxScaleDenominator
+     * Read a sld:MaxScaleDenominator node.
+     *
+     * Parameters:
+     * layerInfo - {Object} An object representing a layer.
+     * node - {Element} An element node.
+     */
+    read_sld_MaxScaleDenominator: function(layerInfo, node) {
+        layerInfo.options.minScale = this.getChildValue(node);
+    },
+
+    /**
+     * Method: write_wmc_Layer
+     * Create a Layer node given a layer object.  This method adds elements
+     *     specific to version 1.1.0.
+     *
+     * Parameters:
+     * layer - {<OpenLayers.Layer.WMS>} Layer object.
+     *
+     * Returns:
+     * {Element} A WMC Layer element node.
+     */
+    write_wmc_Layer: function(layer) {
+        var node = OpenLayers.Format.WMC.v1.prototype.write_wmc_Layer.apply(
+            this, [layer]
+        );
+        
+        // min/max scale denominator elements go before the 4th element in v1
+        var minSD = this.createElementNS(
+            this.namespaces.sld, "sld:MinScaleDenominator"
+        );
+        minSD.appendChild(this.createTextNode(layer.maxScale.toPrecision(10)));
+        node.insertBefore(minSD, node.childNodes[3]);
+        
+        var maxSD = this.createElementNS(
+            this.namespaces.sld, "sld:MaxScaleDenominator"
+        );
+        maxSD.appendChild(this.createTextNode(layer.minScale.toPrecision(10)));
+        node.insertBefore(maxSD, node.childNodes[4]);
+        
+        return node;
+        
+    },
+
+    CLASS_NAME: "OpenLayers.Format.WMC.v1_1_0" 
+
+});