Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/WMSLayersTree.java @ 2938:0de3665daf36
Fix issue706.
flys-client/trunk@4892 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Sun, 08 Jul 2012 07:44:34 +0000 |
parents | 750a53950e9f |
children | 0de61fc9d281 |
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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 (TreeNode[]) 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); } } }