org.drools.guvnor.client.explorer.navigation.deployment.DeploymentTree.java Source code

Introduction

Here is the source code for org.drools.guvnor.client.explorer.navigation.deployment.DeploymentTree.java

Source

/*
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.guvnor.client.explorer.navigation.deployment;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.MenuBar;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.configurations.Capability;
import org.drools.guvnor.client.configurations.UserCapabilities;
import org.drools.guvnor.client.explorer.ExplorerNodeConfig;
import org.drools.guvnor.client.explorer.navigation.NavigationItemBuilderOld;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.resources.DroolsGuvnorImageResources;
import org.drools.guvnor.client.rpc.Module;
import org.drools.guvnor.client.rpc.ModuleService;
import org.drools.guvnor.client.rpc.ModuleServiceAsync;
import org.drools.guvnor.client.rpc.SnapshotInfo;

public class DeploymentTree extends NavigationItemBuilderOld implements OpenHandler<TreeItem> {

    private final PlaceController placeController;

    public DeploymentTree(PlaceController placeController) {
        this.placeController = placeController;

        mainTree.setAnimationEnabled(true);
        ExplorerNodeConfig.setupDeploymentTree(mainTree, itemWidgets);
        mainTree.addSelectionHandler(this);
        mainTree.addOpenHandler(this);
    }

    public MenuBar createMenu() {
        if (UserCapabilities.INSTANCE.hasCapability(Capability.SHOW_CREATE_NEW_ASSET)) {
            return DeploymentNewMenu.getMenu(this);
        } else {
            return null;
        }
    }

    public Tree createTree() {
        return new Tree();
    }

    public String getName() {
        return Constants.INSTANCE.PackageSnapshots();
    }

    public ImageResource getImage() {
        return DroolsGuvnorImageResources.INSTANCE.deploy();
    }

    public IsWidget createContent() {
        return this;
    }

    public void refreshTree() {
        mainTree.clear();
        itemWidgets.clear();
        ExplorerNodeConfig.setupDeploymentTree(mainTree, itemWidgets);
    }

    public void onSelection(SelectionEvent<TreeItem> event) {
        TreeItem item = event.getSelectedItem();

        if (item.getUserObject() instanceof SnapshotPlace) {
            placeController.goTo((SnapshotPlace) item.getUserObject());
        }
    }

    public void onOpen(OpenEvent<TreeItem> event) {
        final TreeItem node = event.getTarget();
        if (ExplorerNodeConfig.PACKAGE_SNAPSHOTS.equals(itemWidgets.get(node))) {
            return;
        }
        if (node.getUserObject() instanceof Module) {
            final Module packageConfigData = (Module) node.getUserObject();

            ModuleServiceAsync moduleService = GWT.create(ModuleService.class);
            moduleService.listSnapshots(packageConfigData.getName(), new GenericCallback<SnapshotInfo[]>() {
                public void onSuccess(SnapshotInfo[] snaps) {
                    node.removeItems();
                    for (final SnapshotInfo snapInfo : snaps) {
                        TreeItem snap = new TreeItem(snapInfo.getName());
                        snap.setUserObject(new SnapshotPlace(packageConfigData.getName(), snapInfo.getName()));
                        node.addItem(snap);
                    }
                }
            });
        }
    }
}