org.eclipse.wst.server.ui.internal.view.servers.RemoveModuleAction.java Source code

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Here is the source code for org.eclipse.wst.server.ui.internal.view.servers.RemoveModuleAction.java

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/*******************************************************************************
 * Copyright (c) 2005, 2013 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - Initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.server.ui.internal.view.servers;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.IWorkbenchActionDefinitionIds;
import org.eclipse.wst.server.core.IModule;
import org.eclipse.wst.server.core.IServer;
import org.eclipse.wst.server.core.IServerWorkingCopy;
import org.eclipse.wst.server.ui.internal.Messages;
import org.eclipse.wst.server.ui.internal.ServerUIPlugin;
import org.eclipse.wst.server.ui.internal.Trace;

/**
 * Action for removing a module from a server.
 */
public class RemoveModuleAction extends Action {
    protected IServer server;
    protected IModule[] module;
    protected Shell shell;
    CoreException saveServerException = null;

    /**
     * RemoveModuleAction constructor.
     * 
     * @param shell a shell
     * @param server a server
     * @param module a module
     */
    public RemoveModuleAction(Shell shell, IServer server, IModule module) {
        this(shell, server, new IModule[] { module });
    }

    /**
     * RemoveModuleAction constructor.
     * 
     * @param shell a shell
     * @param server a server
     * @param module a list of module items, used for removing multiple different modules
     */
    public RemoveModuleAction(Shell shell, IServer server, IModule[] module) {
        super(Messages.actionRemove);
        this.shell = shell;
        ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
        setImageDescriptor(sharedImages.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE));
        setDisabledImageDescriptor(sharedImages.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE_DISABLED));
        setActionDefinitionId(IWorkbenchActionDefinitionIds.DELETE);
        this.server = server;
        this.module = module;
    }

    /**
     * Invoked when an action occurs. 
     */
    public void run() {
        String message = module.length == 1 ? Messages.dialogRemoveModuleConfirm
                : Messages.dialogRemoveModulesConfirm;
        if (MessageDialog.openConfirm(shell, Messages.defaultDialogTitle, message)) {
            removeModules(module);
        }
    }

    protected void removeModules(final IModule[] modules) {
        try {
            final ProgressMonitorDialog dialog = new ProgressMonitorDialog(shell);
            dialog.setBlockOnOpen(false);
            dialog.setCancelable(true);
            IRunnableWithProgress runnable = new IRunnableWithProgress() {
                public void run(IProgressMonitor monitor) {
                    try {
                        IServerWorkingCopy wc = server.createWorkingCopy();
                        if (monitor.isCanceled()) {
                            return;
                        }
                        wc.modifyModules(null, modules, monitor);
                        if (monitor.isCanceled()) {
                            return;
                        }
                        server = wc.save(true, monitor);
                        if (Trace.INFO) {
                            Trace.trace(Trace.STRING_INFO, "Done save server configuration in RemoveModuleAction.");
                        }
                    } catch (CoreException e) {
                        if (Trace.WARNING) {
                            Trace.trace(Trace.STRING_WARNING,
                                    "Failed to save server configuration. Could not remove module", e);
                        }
                        saveServerException = e;
                    }
                }
            };
            dialog.run(true, true, runnable);

            // Error when saving server so do not proceed on the remove action.
            if (saveServerException != null) {
                return;
            }

            if (server.getServerState() != IServer.STATE_STOPPED
                    && ServerUIPlugin.getPreferences().getPublishOnAddRemoveModule()) {
                final IAdaptable info = new IAdaptable() {
                    public Object getAdapter(Class adapter) {
                        if (Shell.class.equals(adapter))
                            return shell;
                        if (String.class.equals(adapter))
                            return "user";
                        return null;
                    }
                };
                server.publish(IServer.PUBLISH_INCREMENTAL, null, info, null);
            }
        } catch (Exception e) {
            if (Trace.WARNING) {
                Trace.trace(Trace.STRING_WARNING, "Could not remove module", e);
            }
        }
    }
}