sysperfana/perfinvestigator/com.nokia.carbide.cpp.pi/src/com/nokia/carbide/cpp/internal/pi/save/SaveTableWizard.java
changeset 2 b9ab3b238396
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1:1050670c6980 2:b9ab3b238396
       
     1 /*
       
     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3  * All rights reserved.
       
     4  * This component and the accompanying materials are made available
       
     5  * under the terms of the License "Eclipse Public License v1.0"
       
     6  * which accompanies this distribution, and is available
       
     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8  *
       
     9  * Initial Contributors:
       
    10  * Nokia Corporation - initial contribution.
       
    11  *
       
    12  * Contributors:
       
    13  *
       
    14  * Description: 
       
    15  *
       
    16  */
       
    17 
       
    18 package com.nokia.carbide.cpp.internal.pi.save;
       
    19 
       
    20 import java.io.ByteArrayInputStream;
       
    21 import java.io.IOException;
       
    22 import java.io.InputStream;
       
    23 import java.lang.reflect.InvocationTargetException;
       
    24 
       
    25 import org.eclipse.core.resources.IContainer;
       
    26 import org.eclipse.core.resources.IFile;
       
    27 import org.eclipse.core.resources.IResource;
       
    28 import org.eclipse.core.resources.IWorkspaceRoot;
       
    29 import org.eclipse.core.resources.ResourcesPlugin;
       
    30 import org.eclipse.core.runtime.CoreException;
       
    31 import org.eclipse.core.runtime.IPath;
       
    32 import org.eclipse.core.runtime.IProgressMonitor;
       
    33 import org.eclipse.core.runtime.IStatus;
       
    34 import org.eclipse.core.runtime.Path;
       
    35 import org.eclipse.core.runtime.Status;
       
    36 import org.eclipse.jface.dialogs.MessageDialog;
       
    37 import org.eclipse.jface.operation.IRunnableWithProgress;
       
    38 import org.eclipse.jface.viewers.ISelection;
       
    39 import org.eclipse.jface.viewers.IStructuredSelection;
       
    40 import org.eclipse.jface.wizard.Wizard;
       
    41 import org.eclipse.swt.widgets.Display;
       
    42 import org.eclipse.ui.INewWizard;
       
    43 import org.eclipse.ui.IWorkbench;
       
    44 import org.eclipse.ui.IWorkbenchPage;
       
    45 import org.eclipse.ui.IWorkbenchWizard;
       
    46 import org.eclipse.ui.PartInitException;
       
    47 import org.eclipse.ui.PlatformUI;
       
    48 import org.eclipse.ui.ide.IDE;
       
    49 
       
    50 import com.nokia.carbide.cpp.internal.pi.interfaces.ISaveTable;
       
    51 
       
    52 public class SaveTableWizard extends Wizard implements INewWizard {
       
    53 
       
    54 	/**
       
    55 	 * This is a sample new wizard. Its role is to create a new file 
       
    56 	 * resource in the provided container. If the container resource
       
    57 	 * (a folder or a project) is selected in the workspace 
       
    58 	 * when the wizard is opened, it will accept it as the target
       
    59 	 * container. The wizard creates one file with the extension
       
    60 	 * "mpe". If a sample multi-page editor (also available
       
    61 	 * as a template) is registered for the same extension, it will
       
    62 	 * be able to open it.
       
    63 	 */
       
    64 
       
    65 	private SaveTableWizardPage page;
       
    66 	private ISelection selection;
       
    67 	private ISaveTable saveTable;
       
    68 	private String saveTableFileContents;
       
    69 
       
    70 	/**
       
    71 	 * Constructor for SampleNewWizard.
       
    72 	 */
       
    73 	public SaveTableWizard(ISaveTable saveTable) {
       
    74 		super();
       
    75 		this.saveTable = saveTable;
       
    76 		this.setWindowTitle(Messages.getString("SaveTableWizard.SavingTableData")); //$NON-NLS-1$
       
    77 		setNeedsProgressMonitor(true);
       
    78 	}
       
    79 	
       
    80 	/**
       
    81 	 * Adding the page to the wizard.
       
    82 	 */
       
    83 
       
    84 	public void addPages() {
       
    85 		page = new SaveTableWizardPage(selection);
       
    86 		addPage(page);
       
    87 	}
       
    88 
       
    89 	/**
       
    90 	 * This method is called when 'Finish' button is pressed in
       
    91 	 * the wizard. We will create an operation and run it
       
    92 	 * using wizard as execution context.
       
    93 	 */
       
    94 	public boolean performFinish() {
       
    95 		final IPath containerName = page.getContainerName();
       
    96 		final String fileName = page.getFileName();
       
    97 		IRunnableWithProgress op = new IRunnableWithProgress() {
       
    98 			public void run(IProgressMonitor monitor) throws InvocationTargetException {
       
    99 				try {
       
   100 					doFinish(containerName, fileName, monitor);
       
   101 				} catch (CoreException e) {
       
   102 					throw new InvocationTargetException(e);
       
   103 				} finally {
       
   104 					monitor.done();
       
   105 				}
       
   106 			}
       
   107 		};
       
   108 		try {
       
   109 			getContainer().run(true, false, op);
       
   110 		} catch (InterruptedException e) {
       
   111 			return false;
       
   112 		} catch (InvocationTargetException e) {
       
   113 			Throwable realException = e.getTargetException();
       
   114 			MessageDialog.openError(getShell(), Messages.getString("SaveTableWizard.Error"), realException.getMessage()); //$NON-NLS-1$
       
   115 			return false;
       
   116 		}
       
   117 		return true;
       
   118 	}
       
   119 	
       
   120 	/**
       
   121 	 * The worker method. It will find the container, create the
       
   122 	 * file if missing or just replace its contents, and open
       
   123 	 * the editor on the newly created file.
       
   124 	 */
       
   125 
       
   126 	private void doFinish(
       
   127 		IPath containerName,
       
   128 		String fileName,
       
   129 		IProgressMonitor monitor)
       
   130 		throws CoreException {
       
   131 		// create a sample file
       
   132 		monitor.beginTask(Messages.getString("SaveTableWizard.Creating") + fileName, 3); //$NON-NLS-1$
       
   133 		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
       
   134 		IResource resource = root.findMember(containerName);
       
   135 		if (!resource.exists() || !(resource instanceof IContainer)) {
       
   136 			throwCoreException(Messages.getString("SaveTableWizard.ProjectFolder") + containerName + Messages.getString("SaveTableWizard.doesNotExist"));  //$NON-NLS-1$//$NON-NLS-2$
       
   137 		}
       
   138 		monitor.worked(1);
       
   139 		monitor.setTaskName(Messages.getString("SaveTableWizard.WritingTableData")); //$NON-NLS-1$
       
   140 		IContainer container = (IContainer) resource;
       
   141 		final IFile file = container.getFile(new Path(fileName));
       
   142 		try {
       
   143 			InputStream stream = openContentStream();
       
   144 			if (file.exists()) {
       
   145 				file.setContents(stream, true, true, monitor);
       
   146 			} else {
       
   147 				file.create(stream, true, monitor);
       
   148 			}
       
   149 			stream.close();
       
   150 		} catch (IOException e) {
       
   151 		}
       
   152 		monitor.worked(1);
       
   153 		monitor.setTaskName(Messages.getString("SaveTableWizard.OpeningFileForEditing")); //$NON-NLS-1$
       
   154 		getShell().getDisplay().asyncExec(new Runnable() {
       
   155 			public void run() {
       
   156 				IWorkbenchPage page =
       
   157 					PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
       
   158 				try {
       
   159 					IDE.openEditor(page, file, true);
       
   160 				} catch (PartInitException e) {
       
   161 				}
       
   162 			}
       
   163 		});
       
   164 		monitor.worked(1);
       
   165 	}
       
   166 	
       
   167 	/**
       
   168 	 * We will initialize file contents with a sample text.
       
   169 	 */
       
   170 	private InputStream openContentStream() {
       
   171 		Display.getDefault().syncExec(new Runnable() {
       
   172 			public void run() {
       
   173 				saveTableFileContents = saveTable.getData();;
       
   174 			}
       
   175 		});
       
   176 		return new ByteArrayInputStream(saveTableFileContents.getBytes());
       
   177 	}
       
   178 
       
   179 	private void throwCoreException(String message) throws CoreException {
       
   180 		IStatus status =
       
   181 			new Status(IStatus.ERROR, "junk", IStatus.OK, message, null); //$NON-NLS-1$
       
   182 		throw new CoreException(status);
       
   183 	}
       
   184 
       
   185 	/**
       
   186 	 * We will accept the selection in the workbench to see if
       
   187 	 * we can initialize from it.
       
   188 	 * @see IWorkbenchWizard#init(IWorkbench, IStructuredSelection)
       
   189 	 */
       
   190 	public void init(IWorkbench workbench, IStructuredSelection selection) {
       
   191 		this.selection = selection;
       
   192 	}
       
   193 }