Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/WMSLayersTree.java @ 5818:a4ff4167be1e
Request feature info on all layers and show it as html if
the server does not return valid gml.
Non queryable layers produce an error message when the request
fails. This is good enough
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 24 Apr 2013 17:33:27 +0200 |
parents | 0de61fc9d281 |
children |
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package de.intevation.flys.client.client.ui.map; import java.util.ArrayList; import java.util.List; import com.google.gwt.core.client.GWT; import com.smartgwt.client.types.TreeModelType; import com.smartgwt.client.widgets.tree.Tree; import com.smartgwt.client.widgets.tree.TreeGrid; import com.smartgwt.client.widgets.tree.TreeNode; import de.intevation.flys.client.shared.model.Capabilities; import de.intevation.flys.client.shared.model.WMSLayer; public class WMSLayersTree extends TreeGrid { /** * An internal TreeNode that stores besides some string attribute a WMSLayer * object. */ public static class WMSLayerNode extends TreeNode { protected WMSLayer wms; public WMSLayerNode(WMSLayer wms) { super(); this.wms = wms; setAttribute("name", wms.getName()); setAttribute("title", wms.getTitle()); } public WMSLayer getWMSLayer() { return wms; } } // end of class WMSLayerNode protected Capabilities capabilites; protected String srs; public WMSLayersTree(Capabilities capabilites) { super(); this.capabilites = capabilites; initTree(); } public WMSLayersTree(Capabilities capabilites, String srs) { super(); this.capabilites = capabilites; this.srs = srs; initTree(); } protected void initTree() { setLoadDataOnDemand(false); setWidth100(); setHeight100(); setShowRoot(false); setShowConnectors(true); setNodeIcon("[SKIN]/images/blank.gif"); Tree tree = new Tree(); tree.setChildrenProperty("children-nodes"); tree.setNameProperty("title"); tree.setIdField("title"); tree.setModelType(TreeModelType.CHILDREN); tree.setShowRoot(false); TreeNode root = new TreeNode("Root"); TreeNode[] layers = buildTree(capabilites.getLayers()); root.setAttribute("children-nodes", layers); tree.setRoot(root); setData(tree); if (layers != null && layers.length == 1) { tree.openFolder(layers[0]); } } protected TreeNode[] buildTree(List<WMSLayer> layers) { List<TreeNode> layerNodes = new ArrayList<TreeNode>(); for (WMSLayer layer: layers) { WMSLayerNode tn = buildTreeNode(layer); if (tn != null) { TreeNode[] tns = buildTree(layer.getLayers()); if (tns != null && tns.length > 0) { tn.setAttribute("children-nodes", tns); } layerNodes.add(tn); } } return layerNodes.toArray(new TreeNode[layerNodes.size()]); } protected WMSLayerNode buildTreeNode(WMSLayer wms) { if (srs != null && srs.length() > 0) { return wms.supportsSrs(srs) ? new WMSLayerNode(wms) : null; } else { GWT.log("No target SRS specified."); return new WMSLayerNode(wms); } } }