resource-management-portlet/src/main/java/org/gcube/portlets/admin/resourcemanagement/client/views/resourcetree/WSResourcesTreePanel.java

113 lines
4.6 KiB
Java

/****************************************************************************
* This software is part of the gCube Project.
* Site: http://www.gcube-system.org/
****************************************************************************
* The gCube/gCore software is licensed as Free Open Source software
* conveying to the EUPL (http://ec.europa.eu/idabc/eupl).
* The software and documentation is provided by its authors/distributors
* "as is" and no expressed or
* implied warranty is given for its use, quality or fitness for a
* particular case.
****************************************************************************
* Filename: WSResourcesTreePanel.java
****************************************************************************
* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
***************************************************************************/
package org.gcube.portlets.admin.resourcemanagement.client.views.resourcetree;
import java.util.List;
import org.gcube.portlets.admin.resourcemanagement.client.utils.Commands;
import org.gcube.portlets.admin.resourcemanagement.client.widgets.console.ConsoleMessageBroker;
import org.gcube.resourcemanagement.support.client.utils.StatusHandler;
import org.gcube.resourcemanagement.support.client.views.ResourceTypeDecorator;
import org.gcube.resourcemanagement.support.shared.types.datamodel.AtomicTreeNode;
import com.extjs.gxt.ui.client.Style.SelectionMode;
import com.extjs.gxt.ui.client.Style.SortDir;
import com.extjs.gxt.ui.client.data.ModelData;
import com.extjs.gxt.ui.client.data.ModelIconProvider;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionChangedEvent;
import com.extjs.gxt.ui.client.store.TreeStore;
import com.extjs.gxt.ui.client.util.IconHelper;
import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
/**
* @author Daniele Strollo (ISTI-CNR)
*
*/
public class WSResourcesTreePanel {
private TreePanel<ModelData> tree = null;
public WSResourcesTreePanel(final List<String> types) {
AtomicTreeNode model = new AtomicTreeNode(ResourceTypeDecorator.WSResource.name(), null);
if (types != null && types.size() > 0) {
String elem = ResourceTypeDecorator.WSResource.name();
String icon = ResourceTypeDecorator.valueOf(elem).getIcon();
String label = ResourceTypeDecorator.valueOf(elem).getLabel();
AtomicTreeNode currType = new AtomicTreeNode(elem, label, icon);
for (String subtype : types) {
currType.add(new AtomicTreeNode(subtype, null, icon));
}
model.add(currType);
}
TreeStore<ModelData> store = new TreeStore<ModelData>();
// The root node will not be shown
store.add(model.getChildren(), true);
store.sort("name", SortDir.ASC);
this.tree = new TreePanel<ModelData>(store);
this.tree.setWidth(300);
this.tree.setDisplayProperty("name");
// The icon decorator
this.tree.setIconProvider(
new ModelIconProvider<ModelData>() {
public AbstractImagePrototype getIcon(final ModelData model) {
if (model.get("node") != null && model.get("icon") != null) {
return IconHelper.createStyle((String) model.get("icon"));
}
return IconHelper.createStyle("defaultleaf-icon");
}
});
// Handles the selection
tree.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
tree.getSelectionModel().addListener(Events.SelectionChange, new Listener<SelectionChangedEvent<AtomicTreeNode>>() {
public void handleEvent(final SelectionChangedEvent<AtomicTreeNode> be) {
AtomicTreeNode selectedModel = be.getSelectedItem();
// -- SELECTED A LEAF
if (selectedModel != null && selectedModel.isLeaf()) {
ConsoleMessageBroker.trace(this, "Selected leaf of WS-Resource: " + ((AtomicTreeNode) selectedModel.getParent()).getNode() + "::" + selectedModel.getName());
// FIXME the AtomicTreeNode does not contain a subtype information
Commands.doFilterResourceDetailsGrid(this,
StatusHandler.getStatus().getCurrentScope(),
((AtomicTreeNode) selectedModel.getParent()).getNode(),
selectedModel.getSubType());
}
// -- SELECTED A NOT LEAF NODE
if (selectedModel != null && !selectedModel.isLeaf()) {
ConsoleMessageBroker.trace(this, "Selected node: " + selectedModel.getNode());
Commands.doLoadWSResourceDetailsGrid(this, StatusHandler.getStatus().getCurrentScope());
}
be.setCancelled(true);
// Removes the selection so that it can be easily refreshed.
tree.getSelectionModel().deselectAll();
}
});
}
public final TreePanel<ModelData> getWidget() {
return this.tree;
}
}