sascha@848: package de.intevation.flys.client.client.ui; sascha@848: sascha@848: import de.intevation.flys.client.client.event.DatacageHandler; ingo@1267: import de.intevation.flys.client.client.event.DatacageDoubleClickHandler; sascha@848: sascha@848: import com.google.gwt.core.client.GWT; sascha@848: sascha@848: import com.google.gwt.user.client.rpc.AsyncCallback; sascha@848: sascha@848: import com.smartgwt.client.util.SC; sascha@848: sascha@848: import com.smartgwt.client.widgets.Button; sascha@848: sascha@848: import com.smartgwt.client.widgets.tree.Tree; sascha@848: import com.smartgwt.client.widgets.tree.TreeGrid; sascha@848: import com.smartgwt.client.widgets.tree.TreeNode; sascha@848: ingo@1268: import com.smartgwt.client.types.SelectionStyle; sascha@848: import com.smartgwt.client.types.TreeModelType; sascha@848: sascha@848: import com.smartgwt.client.widgets.layout.VLayout; sascha@848: sascha@848: import com.smartgwt.client.widgets.events.ClickHandler; sascha@848: import com.smartgwt.client.widgets.events.ClickEvent; sascha@848: sascha@848: import com.smartgwt.client.widgets.grid.ListGridRecord; sascha@848: sascha@848: import com.smartgwt.client.widgets.grid.events.RecordDoubleClickEvent; sascha@848: import com.smartgwt.client.widgets.grid.events.RecordDoubleClickHandler; sascha@848: sascha@848: import de.intevation.flys.client.shared.model.Artifact; sascha@848: import de.intevation.flys.client.shared.model.User; sascha@848: import de.intevation.flys.client.shared.model.ToLoad; sascha@848: sascha@848: import de.intevation.flys.client.client.FLYSConstants; sascha@848: import de.intevation.flys.client.client.Config; sascha@848: sascha@848: import de.intevation.flys.client.client.services.MetaDataService; sascha@848: import de.intevation.flys.client.client.services.MetaDataServiceAsync; sascha@848: sascha@848: import de.intevation.flys.client.shared.model.DataCageTree; sascha@848: import de.intevation.flys.client.shared.model.DataCageNode; sascha@848: import de.intevation.flys.client.shared.model.AttrList; sascha@848: sascha@848: import java.util.ArrayList; sascha@848: import java.util.List; sascha@848: import java.util.Stack; sascha@848: felix@897: // TODO: refactor, extract ~DataCageGrid sascha@848: public class DatacageWidget sascha@848: extends VLayout sascha@848: { sascha@848: protected MetaDataServiceAsync metaDataService = sascha@848: GWT.create(MetaDataService.class); sascha@848: sascha@848: protected FLYSConstants messages = sascha@848: GWT.create(FLYSConstants.class); sascha@848: sascha@848: protected Artifact artifact; sascha@848: protected User user; sascha@848: protected String outs; ingo@916: protected String parameters; sascha@848: sascha@848: protected TreeGrid treeGrid; sascha@848: protected Tree tree; sascha@848: sascha@848: protected ToLoad toLoad; sascha@848: ingo@1267: protected List handlers; ingo@1267: protected List doubleHandlers; sascha@848: felix@868: sascha@848: public DatacageWidget() { ingo@1267: handlers = new ArrayList(); ingo@1267: doubleHandlers = new ArrayList(); sascha@848: } sascha@848: felix@868: sascha@848: public DatacageWidget(Artifact artifact, User user) { sascha@848: this(artifact, user, null); sascha@848: } sascha@848: felix@897: public DatacageWidget(Artifact artifact, User user, String outs) { felix@897: this(artifact, user, outs, true); felix@897: } felix@868: ingo@916: public DatacageWidget( ingo@916: Artifact artifact, ingo@916: User user, ingo@916: String outs, ingo@916: boolean showButton ingo@916: ) { ingo@916: this(artifact, user, outs, null, showButton); ingo@916: } ingo@916: ingo@916: ingo@916: public DatacageWidget( ingo@916: Artifact artifact, ingo@916: User user, ingo@916: String outs, ingo@916: String parameters, ingo@916: boolean showButton ingo@916: ) { sascha@848: this(); sascha@848: ingo@916: this.artifact = artifact; ingo@916: this.user = user; ingo@916: this.outs = outs; ingo@916: this.parameters = parameters; sascha@848: sascha@848: toLoad = new ToLoad(); sascha@848: sascha@848: setWidth100(); sascha@848: sascha@848: tree = new Tree(); sascha@848: tree.setModelType(TreeModelType.PARENT); sascha@848: tree.setNameProperty("name"); sascha@848: tree.setIdField("id"); sascha@848: tree.setParentIdField("parent-id"); sascha@848: sascha@848: treeGrid = new TreeGrid(); sascha@848: treeGrid.setLoadDataOnDemand(false); sascha@848: treeGrid.setWidth100(); sascha@848: treeGrid.setHeight100(); sascha@848: treeGrid.setShowRoot(false); sascha@848: sascha@848: treeGrid.addRecordDoubleClickHandler(new RecordDoubleClickHandler() { sascha@848: @Override sascha@848: public void onRecordDoubleClick(RecordDoubleClickEvent event) { sascha@848: doubleClickedOnTree(event); sascha@848: } sascha@848: }); sascha@848: sascha@848: addMember(treeGrid); sascha@848: felix@897: if (showButton) { felix@897: addMember(createPlusButton()); felix@897: } sascha@848: sascha@848: triggerTreeBuilding(); sascha@848: } sascha@848: felix@897: felix@897: /** felix@897: * @param handler Handler to be added (notified on add-action). felix@897: */ felix@897: public DatacageWidget(Artifact artifact, User user, String outs, felix@897: DatacageHandler handler) { felix@897: this(artifact, user, outs); felix@897: this.addDatacageHandler(handler); felix@897: } felix@897: felix@897: ingo@916: public DatacageWidget( ingo@916: Artifact artifact, ingo@916: User user, ingo@916: String outs, ingo@916: DatacageHandler handler, ingo@916: String parameters ingo@916: ) { ingo@916: this(artifact, user, outs, handler); ingo@916: this.parameters = parameters; ingo@916: } ingo@916: ingo@916: ingo@1268: public void setIsMutliSelectable(boolean multi) { ingo@1268: if (multi) { ingo@1268: treeGrid.setSelectionType(SelectionStyle.MULTIPLE); ingo@1268: } ingo@1268: else { ingo@1268: treeGrid.setSelectionType(SelectionStyle.SINGLE); ingo@1268: } ingo@1268: } ingo@1268: ingo@1268: felix@897: /** felix@897: * @param handler Handler to be added (notified on add-action). felix@897: */ sascha@848: public void addDatacageHandler(DatacageHandler handler) { ingo@884: if (!handlers.contains(handler)) { sascha@848: handlers.add(handler); sascha@848: } sascha@848: } sascha@848: felix@897: felix@897: /** ingo@1267: * @param h Handler to be added (notified on Double click on node). ingo@1267: */ ingo@1267: public void addDatacageDoubleClickHandler(DatacageDoubleClickHandler h) { ingo@1267: if (!doubleHandlers.contains(h)) { ingo@1267: doubleHandlers.add(h); ingo@1267: } ingo@1267: } ingo@1267: ingo@1267: ingo@1267: /** felix@897: * @param handler Handler to remove from list. felix@897: */ sascha@848: public void removeDatacageHandler(DatacageHandler handler) { sascha@848: handlers.remove(handler); sascha@848: } sascha@848: felix@897: sascha@848: public ToLoad getToLoad() { sascha@848: return toLoad; sascha@848: } sascha@848: felix@897: felix@897: public ToLoad getSelection() { felix@897: // Reset content of toLoads. felix@897: toLoad = new ToLoad(); felix@897: sascha@848: if (treeGrid == null) { felix@897: return toLoad; sascha@848: } sascha@848: sascha@848: ListGridRecord [] selection = treeGrid.getSelection(); sascha@848: sascha@848: if (selection != null) { sascha@848: for (ListGridRecord record: selection) { sascha@848: if (record instanceof TreeNode) { sascha@848: collectToLoads((TreeNode)record); sascha@848: } sascha@848: } sascha@848: } sascha@848: felix@897: return toLoad; felix@897: } felix@897: felix@897: felix@897: /** felix@897: * Callback for add-button. felix@897: * Fires to load for every selected element and handler. felix@897: */ felix@897: public void plusClicked() { felix@897: if (!getSelection().isEmpty()) { sascha@848: fireToLoad(); sascha@848: } sascha@848: } sascha@848: felix@897: felix@897: protected Button createPlusButton() { felix@897: // TODO: i18n + icon felix@897: Button plusBtn = new Button("+"); felix@897: plusBtn.addClickHandler(new ClickHandler() { felix@897: @Override felix@897: public void onClick(ClickEvent event) { felix@897: plusClicked(); felix@897: } felix@897: }); felix@897: return plusBtn; felix@897: } felix@897: felix@897: sascha@848: protected void fireToLoad() { sascha@848: for (DatacageHandler handler: handlers) { sascha@848: handler.toLoad(toLoad); sascha@848: } sascha@848: } sascha@848: felix@897: ingo@1267: protected void fireOnDoubleClick() { ingo@1267: for (DatacageDoubleClickHandler handler: doubleHandlers) { ingo@1267: handler.onDoubleClick(toLoad); ingo@1267: } ingo@1267: } ingo@1267: ingo@1267: sascha@848: protected void doubleClickedOnTree(RecordDoubleClickEvent event) { sascha@848: TreeNode node = (TreeNode)event.getRecord(); sascha@848: collectToLoads(node); ingo@1267: fireOnDoubleClick(); sascha@848: } sascha@848: felix@897: sascha@848: protected void collectToLoads(TreeNode node) { sascha@848: Stack stack = new Stack(); sascha@848: sascha@848: stack.push(node); sascha@848: sascha@848: while (!stack.isEmpty()) { sascha@848: node = stack.pop(); sascha@848: String factory = node.getAttribute("factory"); sascha@848: if (factory != null) { // we need at least a factory sascha@848: String artifact = node.getAttribute("artifact-id"); sascha@848: String out = node.getAttribute("out"); ingo@892: String name = node.getAttribute("facet"); sascha@848: String ids = node.getAttribute("ids"); sascha@848: sascha@848: toLoad.add(artifact, factory, out, name, ids); sascha@848: } sascha@848: TreeNode [] children = tree.getChildren(node); sascha@848: if (children != null) { sascha@848: for (TreeNode child: children) { sascha@848: stack.push(child); sascha@848: } sascha@848: } sascha@848: } sascha@848: } sascha@848: sascha@848: sascha@848: protected void triggerTreeBuilding() { sascha@848: Config config = Config.getInstance(); sascha@848: String url = config.getServerUrl(); sascha@848: String locale = config.getLocale(); sascha@848: sascha@848: String artifactId = artifact.getUuid(); felix@868: String userId = (user != null) ? user.identifier() : null; sascha@848: sascha@848: metaDataService.getMetaData( sascha@848: url, locale, sascha@848: artifactId, sascha@848: userId, sascha@848: outs, ingo@916: parameters, sascha@848: new AsyncCallback() { sascha@848: public void onFailure(Throwable caught) { sascha@848: GWT.log("Could not load meta data."); sascha@848: SC.warn(caught.getMessage()); sascha@848: } sascha@848: sascha@848: public void onSuccess(DataCageTree dcTree) { sascha@848: GWT.log("Successfully loaded meta data."); sascha@848: tree.setData(treeToData(dcTree)); sascha@848: treeGrid.setData(tree); sascha@848: } sascha@848: }); sascha@848: } sascha@848: sascha@848: private static class IdGenerator { sascha@848: protected int current; sascha@848: sascha@848: public IdGenerator() { sascha@848: } sascha@848: sascha@848: public IdGenerator(int start) { sascha@848: current = start; sascha@848: } sascha@848: sascha@848: public int next() { sascha@848: return current++; sascha@848: } sascha@848: } // class IdGenerator sascha@848: sascha@848: protected static void buildRecursive( sascha@848: DataCageNode node, sascha@848: int parentId, sascha@848: IdGenerator idGenerator, sascha@848: List nodes sascha@848: ) { sascha@848: TreeNode tn = new TreeNode(); sascha@848: int id = idGenerator.next(); sascha@848: tn.setAttribute("parent-id", parentId); sascha@848: tn.setAttribute("id", id); sascha@848: // TODO: i18n ingo@892: tn.setAttribute("name", node.getDescription()); ingo@892: tn.setAttribute("facet", node.getName()); sascha@848: nodes.add(tn); sascha@848: AttrList attrs = node.getAttributes(); sascha@848: if (attrs != null) { sascha@848: for (int i = 0, N = attrs.size(); i < N; ++i) { sascha@848: String key = attrs.getKey(i); sascha@848: String value = attrs.getValue(i); sascha@848: tn.setAttribute(key, value); sascha@848: } sascha@848: } sascha@848: List children = node.getChildren(); sascha@848: if (children != null) { sascha@848: for (DataCageNode child: children) { sascha@848: buildRecursive(child, id, idGenerator, nodes); sascha@848: } sascha@848: } sascha@848: } sascha@848: sascha@848: sascha@848: protected static TreeNode [] treeToData(DataCageTree tree) { sascha@848: List nodes = new ArrayList(); sascha@848: sascha@848: DataCageNode root = tree.getRoot(); sascha@848: sascha@848: IdGenerator idGenerator = new IdGenerator(); sascha@848: sascha@848: buildRecursive(root, idGenerator.next(), idGenerator, nodes); sascha@848: sascha@848: return nodes.toArray(new TreeNode[nodes.size()]); sascha@848: } sascha@848: } sascha@848: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :