resource-management-portlet/src/main/java/org/gcube/portlets/admin/resourcemanagement/client/widgets/panels/GenericTreePanel.java

114 lines
3.6 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: GenericTreePanel.java
****************************************************************************
* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
***************************************************************************/
package org.gcube.portlets.admin.resourcemanagement.client.widgets.panels;
import org.gcube.portlets.admin.resourcemanagement.shared.utils.XMLUtil;
import org.gcube.resourcemanagement.support.shared.types.datamodel.AtomicTreeNode;
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.ComponentEvent;
import com.extjs.gxt.ui.client.store.TreeStore;
import com.extjs.gxt.ui.client.util.IconHelper;
import com.extjs.gxt.ui.client.widget.menu.Menu;
import com.extjs.gxt.ui.client.widget.menu.MenuItem;
import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
/**
* @author Daniele Strollo (ISTI-CNR)
*
*/
public class GenericTreePanel {
private TreePanel<ModelData> tree = null;
public GenericTreePanel(final String xml, final String rootNode) {
AtomicTreeNode model = new AtomicTreeNode(rootNode, null);
try {
model.add(XMLUtil.XMLToTree(xml, rootNode));
} catch (Exception e) {
GWT.log("During profile conversion", e);
}
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) {
private boolean loaded = false;
@Override
protected void onLoad() {
super.onLoad();
if (loaded) {
return;
}
// Expands the first level only
this.setExpanded(this.getStore().getRootItems().get(0), true, false);
this.loaded = true;
}
};
this.tree.setWidth(300);
this.tree.setDisplayProperty("name");
this.tree.setHeight("100%");
this.tree.setWidth("100%");
Menu subMenu = new Menu();
subMenu.add(new MenuItem("Expand All") {
@Override
protected void onClick(final ComponentEvent be) {
super.onClick(be);
tree.expandAll();
}
});
subMenu.add(new MenuItem("Collapse All") {
@Override
protected void onClick(final ComponentEvent be) {
super.onClick(be);
tree.collapseAll();
}
});
this.tree.setContextMenu(subMenu);
// The icon decorator
this.tree.setIconProvider(
new ModelIconProvider<ModelData>() {
public AbstractImagePrototype getIcon(final ModelData model) {
if (model instanceof AtomicTreeNode) {
AtomicTreeNode m = (AtomicTreeNode) model;
if (m.isLeaf()) {
return IconHelper.createStyle("console-log-icon");
} else {
return IconHelper.createStyle("profile-folder-icon");
}
}
return IconHelper.createStyle("defaultleaf-icon");
}
});
}
public final TreePanel<ModelData> getWidget() {
return this.tree;
}
}