Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 821:56069d236afa
Datacage: Build UI tree in a more compatible style
flys-client/trunk@2479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Tue, 09 Aug 2011 13:37:40 +0000 |
parents | 8f39ffee068a |
children | ffb98b228b3c |
line wrap: on
line source
package de.intevation.flys.client.client.ui; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; import com.smartgwt.client.util.SC; import com.smartgwt.client.widgets.Window; import com.smartgwt.client.widgets.tree.Tree; import com.smartgwt.client.widgets.tree.TreeGrid; import com.smartgwt.client.widgets.tree.TreeNode; import com.smartgwt.client.types.TreeModelType; import com.smartgwt.client.widgets.layout.Layout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.tree.events.LeafClickEvent; import com.smartgwt.client.widgets.tree.events.LeafClickHandler; import de.intevation.flys.client.shared.model.Artifact; import de.intevation.flys.client.shared.model.ArtifactDescription; import de.intevation.flys.client.shared.model.Data; import de.intevation.flys.client.shared.model.DataList; import de.intevation.flys.client.shared.model.DataItem; import de.intevation.flys.client.shared.model.User; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.client.services.MetaDataService; import de.intevation.flys.client.client.services.MetaDataServiceAsync; import de.intevation.flys.client.shared.model.DataCageTree; import de.intevation.flys.client.shared.model.DataCageNode; import de.intevation.flys.client.shared.model.AttrList; import java.util.ArrayList; import java.util.List; public class DatacageWindow extends Window { protected MetaDataServiceAsync metaDataService = GWT.create(MetaDataService.class); protected FLYSConstants messages = GWT.create(FLYSConstants.class); protected Artifact artifact; protected User user; protected TreeGrid treeGrid; protected Tree tree; protected Layout layout; public DatacageWindow(Artifact artifact, User user) { this.artifact = artifact; this.user = user; setWidth(250); setHeight(400); layout = new VLayout(); layout.setWidth100(); addItem(layout); tree = new Tree(); tree.setModelType(TreeModelType.PARENT); tree.setNameProperty("name"); tree.setIdField("id"); tree.setParentIdField("parent-id"); treeGrid = new TreeGrid(); treeGrid.setLoadDataOnDemand(false); treeGrid.setWidth100(); treeGrid.setHeight100(); treeGrid.setShowRoot(false); treeGrid.addLeafClickHandler(new LeafClickHandler() { @Override public void onLeafClick(LeafClickEvent lce) { GWT.log("I was here"); } }); layout.addMember(treeGrid); String river = findRiver(); // TODO: i18n setTitle("Datenkorb: " + river); setShowMinimizeButton(false); setIsModal(true); setShowModalMask(true); setCanDragResize(true); centerInPage(); triggerTreeBuilding(); } protected void triggerTreeBuilding() { Config config = Config.getInstance(); String url = config.getServerUrl(); String locale = config.getLocale(); String artifactId = artifact.getUuid(); String userId = user != null ? user.identifier() : null; metaDataService.getMetaData( url, locale, artifactId, userId, new AsyncCallback<DataCageTree>() { public void onFailure(Throwable caught) { GWT.log("Could not load meta data."); SC.warn(caught.getMessage()); } public void onSuccess(DataCageTree dcTree) { GWT.log("Successfully loaded meta data."); tree.setData(treeToData(dcTree)); treeGrid.setData(tree); } }); } private static class IdGenerator { protected int current; public IdGenerator() { } public IdGenerator(int start) { current = start; } public int next() { return current++; } } // class IdGenerator protected static void buildRecursive( DataCageNode node, int parentId, IdGenerator idGenerator, List<TreeNode> nodes ) { TreeNode tn = new TreeNode(); int id = idGenerator.next(); tn.setAttribute("parent-id", parentId); tn.setAttribute("id", id); // TODO: i18n tn.setAttribute("name", node.getName()); nodes.add(tn); AttrList attrs = node.getAttributes(); if (attrs != null) { for (int i = 0, N = attrs.size(); i < N; ++i) { String key = attrs.getKey(i); String value = attrs.getValue(i); tn.setAttribute(key, value); } } List<DataCageNode> children = node.getChildren(); if (children != null) { for (DataCageNode child: children) { buildRecursive(child, id, idGenerator, nodes); } } } protected static TreeNode [] treeToData(DataCageTree tree) { List<TreeNode> nodes = new ArrayList<TreeNode>(); DataCageNode root = tree.getRoot(); IdGenerator idGenerator = new IdGenerator(); buildRecursive(root, idGenerator.next(), idGenerator, nodes); return nodes.toArray(new TreeNode[nodes.size()]); } protected String findRiver() { ArtifactDescription adescr = artifact.getArtifactDescription(); DataList [] data = adescr.getOldData(); if (data != null && data.length > 0) { for (int i = 0; i < data.length; i++) { DataList dl = data[i]; if (dl.getState().equals("state.winfo.river")) { for (int j = dl.size()-1; j >= 0; --j) { Data d = dl.get(j); DataItem [] di = d.getItems(); if (di != null && di.length == 1) { return d.getItems()[0].getStringValue(); } } } } } return ""; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :