Package org.apache.felix.sigil.eclipse.ui.internal.handlers

Source Code of org.apache.felix.sigil.eclipse.ui.internal.handlers.EditorResourceCommandHandler

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.apache.felix.sigil.eclipse.ui.internal.handlers;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
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.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.handlers.HandlerUtil;

public abstract class EditorResourceCommandHandler extends AbstractResourceCommandHandler
{

    public Object execute(ExecutionEvent event) throws ExecutionException
    {
        final Shell shell = HandlerUtil.getActiveShell(event);
        final IEditorPart editorPart = HandlerUtil.getActiveEditor(event);
        if (editorPart != null)
        {
            IEditorInput editorInput = editorPart.getEditorInput();

            if (!(editorInput instanceof IFileEditorInput))
            {
                throw new ExecutionException("Editor input must be a file");
            }
            IFileEditorInput fileInput = (IFileEditorInput) editorInput;

            try
            {
                // Save the editor content (if dirty)
                IRunnableWithProgress saveOperation = new IRunnableWithProgress()
                {
                    public void run(IProgressMonitor monitor)
                        throws InvocationTargetException, InterruptedException
                    {
                        if (editorPart.isDirty())
                        {
                            if (MessageDialog.openQuestion(
                                shell,
                                "Save File",
                                "The file contents must be saved before the command can be executed. Do you wish to save now?"))
                            {
                                editorPart.doSave(monitor);
                            }
                            else
                            {
                                throw new InterruptedException();
                            }
                        }
                    }
                };
                new ProgressMonitorDialog(shell).run(false, true, saveOperation);

                // Execute on the file
                IFile file = fileInput.getFile();
                getResourceCommandHandler().execute(new IResource[] { file }, event);
            }
            catch (InvocationTargetException e)
            {
                throw new ExecutionException("Error saving file", e.getTargetException());
            }
            catch (InterruptedException e)
            {
                // Exit the command silently
            }
        }
        return null;
    }

}
TOP

Related Classes of org.apache.felix.sigil.eclipse.ui.internal.handlers.EditorResourceCommandHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.