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Diffstat (limited to 'rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/propertypages/FolderInfoPropertyPage.java')
| -rw-r--r-- | rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/propertypages/FolderInfoPropertyPage.java | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/propertypages/FolderInfoPropertyPage.java b/rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/propertypages/FolderInfoPropertyPage.java deleted file mode 100644 index 45e00e986..000000000 --- a/rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/propertypages/FolderInfoPropertyPage.java +++ /dev/null @@ -1,279 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2007 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 - * - * Initial Contributors: - * The following IBM employees contributed to the Remote System Explorer - * component that contains this file: David McKnight, Kushal Munir, - * Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson, - * Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley. - * - * Contributors: - * Martin Oberhuber (Wind River) - Adapted original tutorial code to Open RSE. - *******************************************************************************/ - -package samples.ui.propertypages; - -import org.eclipse.rse.services.clientserver.messages.SystemMessageException; -import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile; -import org.eclipse.rse.ui.SystemWidgetHelpers; -import org.eclipse.rse.ui.propertypages.SystemBasePropertyPage; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.widgets.Button; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Label; - -import samples.RSESamplesPlugin; - -/** - * A sample property page for a remote object, which in this case is scoped via the - * extension point xml to only apply to folder objects. - */ -public class FolderInfoPropertyPage - extends SystemBasePropertyPage - implements SelectionListener -{ - // gui widgets... - private Label sizeLabel, filesLabel, foldersLabel; - private Button stopButton; - // state... - private int totalSize = 0; - private int totalFolders = 0; - private int totalFiles = 0; - private boolean stopped = false; - private Thread workerThread; - private Runnable guiUpdater; - - /** - * Constructor for FolderInfoPropertyPage. - */ - public FolderInfoPropertyPage() - { - super(); - } - - // -------------------------- - // Parent method overrides... - // -------------------------- - - - /* (non-Javadoc) - * @see org.eclipse.rse.files.ui.propertypages.SystemAbstractRemoteFilePropertyPageExtensionAction#createContentArea(org.eclipse.swt.widgets.Composite) - */ - protected Control createContentArea(Composite parent) - { - Composite composite = SystemWidgetHelpers.createComposite(parent, 2); - // draw the gui - sizeLabel = SystemWidgetHelpers.createLabeledLabel(composite, - RSESamplesPlugin.getResourceString("pp.size.label"), //$NON-NLS-1$ - RSESamplesPlugin.getResourceString("pp.size.tooltip"), //$NON-NLS-1$ - false); - filesLabel = SystemWidgetHelpers.createLabeledLabel(composite, - RSESamplesPlugin.getResourceString("pp.files.label"), //$NON-NLS-1$ - RSESamplesPlugin.getResourceString("pp.files.tooltip"), //$NON-NLS-1$ - false); - foldersLabel = SystemWidgetHelpers.createLabeledLabel(composite, - RSESamplesPlugin.getResourceString("pp.folders.label"), //$NON-NLS-1$ - RSESamplesPlugin.getResourceString("pp.folders.tooltip"), //$NON-NLS-1$ - false); - stopButton = SystemWidgetHelpers.createPushButton(composite, null, - RSESamplesPlugin.getResourceString("pp.stopButton.label"), //$NON-NLS-1$ - RSESamplesPlugin.getResourceString("pp.stopButton.tooltip") //$NON-NLS-1$ - ); - stopButton.addSelectionListener(this); - - setValid(false); // Disable OK button until thread is done - - // show "Processing..." message - setMessage(RSESamplesPlugin.getPluginMessage("RSSG1002")); //$NON-NLS-1$ - - // create instance of Runnable to allow asynchronous GUI updates from background thread - guiUpdater = new RunnableGUIClass(); - // spawn a thread to calculate the information - workerThread = new RunnableClass(getRemoteFile()); - workerThread.start(); - - return composite; - } - - /** - * Intercept from PreferencePage. Called when user presses Cancel button. - * We stop the background thread. - * @see org.eclipse.jface.preference.PreferencePage#performCancel() - */ - public boolean performCancel() - { - killThread(); - return true; - } - - /** - * Intercept from DialogPage. Called when dialog going away. - * If the user presses the X to close this dialog, we - * need to stop that background thread. - */ - public void dispose() - { - killThread(); - super.dispose(); - } - - /** - * Private method to kill our background thread. - * Control doesn't return until it ends. - */ - private void killThread() - { - if (!stopped && workerThread.isAlive()) - { - stopped = true; - try { - workerThread.join(); // wait for thread to end - } catch (InterruptedException exc) {} - } - } - - // ------------------------------------------- - // Methods from SelectionListener interface... - // ------------------------------------------- - - /** - * From SelectionListener - * @see SelectionListener#widgetSelected(SelectionEvent) - */ - public void widgetSelected(SelectionEvent event) - { - if (event.getSource() == stopButton) - { - stopped = true; - stopButton.setEnabled(false); - } - } - /** - * From SelectionListener - * @see SelectionListener#widgetDefaultSelected(SelectionEvent) - */ - public void widgetDefaultSelected(SelectionEvent event) - { - } - - // ---------------- - // Inner classes... - // ---------------- - /** - * Inner class encapsulating the background work to be done, so it may be executed - * in background thread. - */ - private class RunnableClass extends Thread - { - IRemoteFile inputFolder; - - RunnableClass(IRemoteFile inputFolder) - { - this.inputFolder = inputFolder; - } - - public void run() - { - if (stopped) - return; - walkFolder(inputFolder); - updateGUI(); - if (!stopped) - { - stopped = true; - updateGUI(); - } - } - - /** - * Recursively walk a folder, updating the running tallies. - * Update the GUI after processing each subfolder. - */ - private void walkFolder(IRemoteFile currFolder) - { - try - { - IRemoteFile[] folders = currFolder.getParentRemoteFileSubSystem().listFoldersAndFiles( currFolder, null); - if ((folders != null) && (folders.length>0)) - { - for (int idx=0; !stopped && (idx<folders.length); idx++) - { - // is this a folder? - if (folders[idx].isDirectory()) - { - ++totalFolders; - walkFolder(folders[idx]); - updateGUI(); - } - // is this a file? - else - { - ++totalFiles; - totalSize += folders[idx].getLength(); - } - } - } - } - catch (SystemMessageException e) - { - - } - } // end of walkFolder method - - } // end of inner class - - /** - * Inner class encapsulating the GUI work to be done from the - * background thread. - */ - private class RunnableGUIClass implements Runnable - { - public void run() - { - if (stopButton.isDisposed()) - return; - if (!stopped) - { - sizeLabel.setText(Integer.toString(totalSize)); - filesLabel.setText(Integer.toString(totalFiles)); - foldersLabel.setText(Integer.toString(totalFolders)); - } - else if (stopped) - { - setValid(true); // re-enable OK button - stopButton.setEnabled(false); // disable Stop button - clearMessage(); // clear "Processing..." message - } - } - } - - - /** - * Update the GUI with the current status - */ - private void updateGUI() - { - Display.getDefault().asyncExec(guiUpdater); - } - - protected boolean verifyPageContents() { - return true; - } - - /** - * Get the input remote file object - */ - protected IRemoteFile getRemoteFile() - { - Object element = getElement(); - return ((IRemoteFile)element); - } - -} |