Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/WMSLayersTree.java @ 4254:33b15ac17fd1
Only create and add GaugePanel when necessary
The GaugePanel isn't created always and only show if WINFO and a river is
selected now. It is only created on demand. Therefore all access to the
GaugePanel is abstraced via methods that check if the GaugePanel is null before
accessing it's methods.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 25 Oct 2012 13:58:53 +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); } } }