core/org.eclipse.ptp.ui/src/org/eclipse/ptp/ui/preferences/PTPPreferencesPage.java - ptp/org.eclipse.ptp - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 The Regents of the University of California.
  * This material was produced under U.S. Government contract W-7405-ENG-36
  * for Los Alamos National Laboratory, which is operated by the University
  * of California for the U.S. Department of Energy. The U.S. Government has
  * rights to use, reproduce, and distribute this software. NEITHER THE
  * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
  * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
  * to produce derivative works, such modified software should be clearly marked,
  * so as not to confuse it with the version available from LANL.
  *
  * Additionally, 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
  *
  * LA-CC 04-115
  *******************************************************************************/
 package org.eclipse.ptp.ui.preferences;

 import java.io.File;

 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.jface.preference.FieldEditor;
 import org.eclipse.jface.preference.IntegerFieldEditor;
 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.ptp.core.PTPCorePlugin;
 import org.eclipse.ptp.core.PreferenceConstants;
 import org.eclipse.ptp.ui.messages.Messages;
 import org.eclipse.ptp.utils.ui.swt.SWTUtil;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;

 public class PTPPreferencesPage extends PreferencePage implements IWorkbenchPreferencePage {
 	public static final String EMPTY_STRING = ""; //$NON-NLS-1$
 	protected Text outputDirText = null;
 	protected Button browseButton = null;
 	protected IntegerFieldEditor storeLineField = null;
 	private String outputDIR = EMPTY_STRING;
 	private String defaultOutputDIR = "/tmp"; //$NON-NLS-1$
 	private int storeLine = PreferenceConstants.DEFAULT_STORE_LINES;

 	protected class WidgetListener extends SelectionAdapter implements ModifyListener, IPropertyChangeListener {
 		public void widgetSelected(SelectionEvent e) {
 			Object source = e.getSource();
 			if (source == browseButton)
 				handleOutputDirectoryBrowseButtonSelected();
 			else
 				updatePreferencePage();
 		}
 		public void modifyText(ModifyEvent evt) {
 			updatePreferencePage();
 		}
 		public void propertyChange(PropertyChangeEvent event) {
 			if (event.getProperty().equals(FieldEditor.IS_VALID))
 				updatePreferencePage();
 		}
 	}

 	protected WidgetListener listener = new WidgetListener();

 	protected Control createContents(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayout(createGridLayout(1, true, 0, 0));
 		composite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 2));
 		createOutputContents(composite);
 		loadSaved();
 		defaultSetting();
 		return composite;
 	}

 	protected Button createCheckButton(Composite parent, String label) {
 		return createButton(parent, label, SWT.CHECK | SWT.LEFT);
 	}

 	protected Button createButton(Composite parent, String label, int type) {
 		Button button = new Button(parent, type);
 		button.setText(label);
 		GridData data = new GridData();
 		button.setLayoutData(data);
 		return button;
 	}

 	private void createOutputContents(Composite parent) {
 		Group aGroup = new Group(parent, SWT.SHADOW_ETCHED_IN);
 		aGroup.setLayout(createGridLayout(1, true, 10, 10));
 		aGroup.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 2));
 		aGroup.setText(Messages.PTPPreferencesPage_0);
 		Composite outputComposite = new Composite(aGroup, SWT.NONE);
 		outputComposite.setLayout(createGridLayout(3, false, 0, 0));
 		outputComposite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 5));
 		new Label(outputComposite, SWT.NONE).setText(Messages.PTPPreferencesPage_1);
 		outputDirText = new Text(outputComposite, SWT.SINGLE | SWT.BORDER);
 		outputDirText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		outputDirText.addModifyListener(listener);
 		browseButton = SWTUtil.createPushButton(outputComposite, Messages.PTPPreferencesPage_2, null);
 		browseButton.addSelectionListener(listener);
 		Composite lineComposite = new Composite(aGroup, SWT.NONE);
 		lineComposite.setLayout(new FillLayout());
 		lineComposite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 5));
 		storeLineField = new IntegerFieldEditor(PreferenceConstants.PREFS_STORE_LINES, Messages.PTPPreferencesPage_3, lineComposite);
 		storeLineField.setPropertyChangeListener(listener);
 		storeLineField.setEmptyStringAllowed(false);
 	}
 	protected void defaultSetting() {
 		outputDirText.setText(outputDIR);
 		storeLineField.setStringValue(String.valueOf(storeLine));
 	}
 	private void loadSaved() {
 		Preferences preferences = PTPCorePlugin.getDefault().getPluginPreferences();
 		outputDIR = preferences.getString(PreferenceConstants.PREFS_OUTPUT_DIR);
 		if (outputDIR.equals("")) //$NON-NLS-1$
 			outputDIR = defaultOutputDIR;
 		if (outputDIR != null)
 			outputDirText.setText(outputDIR);
 		storeLine = preferences.getInt(PreferenceConstants.PREFS_STORE_LINES);
 		storeLineField.setStringValue(String.valueOf(storeLine));
 	}
 	/* do stuff on init() of preferences, if anything */
 	public void init(IWorkbench workbench) {}
 	public void dispose() {
 		super.dispose();
 	}
 	public void performDefaults() {
 		defaultSetting();
 		updateApplyButton();
 	}
 	private void store() {
 		outputDIR = outputDirText.getText();
 		storeLine = storeLineField.getIntValue();
 	}
 	public boolean performOk() {
 		store();
 		Preferences preferences = PTPCorePlugin.getDefault().getPluginPreferences();
 		preferences.setValue(PreferenceConstants.PREFS_OUTPUT_DIR, outputDIR);
 		preferences.setValue(PreferenceConstants.PREFS_STORE_LINES, storeLine);
 		PTPCorePlugin.getDefault().savePluginPreferences();
 		/*
 		 * IModelManager manager = PTPCorePlugin.getDefault().getModelManager();
 		 * if (manager.isParallelPerspectiveOpen() && (lastMSChoiceID != MSChoiceID || lastCSChoiceID != CSChoiceID)) {
 		 * manager.refreshRuntimeSystems(CSChoiceID, MSChoiceID); }
 		 */
 		File outputDirPath = new File(outputDIR);
 		if (!outputDirPath.exists())
 			outputDirPath.mkdir();
 		return true;
 	}
 	protected void handleOutputDirectoryBrowseButtonSelected() {
 		DirectoryDialog dialog = new DirectoryDialog(getShell());
 		dialog.setText(Messages.PTPPreferencesPage_4);
 		String currectDirPath = getFieldContent(outputDirText.getText());
 		if (currectDirPath != null) {
 			File path = new File(currectDirPath);
 			if (path.exists())
 				dialog.setFilterPath(currectDirPath);
 		}
 		String selectedDirPath = dialog.open();
 		if (selectedDirPath != null)
 			outputDirText.setText(selectedDirPath);
 	}
 	protected boolean isValidOutputSetting() {
 		String name = getFieldContent(outputDirText.getText());
 		if (name == null) {
 			setErrorMessage(Messages.PTPPreferencesPage_5);
 			setValid(false);
 			return false;
 		}
 		File path = new File(name);
 		if (!path.exists()) {
 			File parent = path.getParentFile();
 			if (parent == null || !parent.exists()) {
 				setErrorMessage(Messages.PTPPreferencesPage_5);
 				setValid(false);
 				return false;
 			}
 		}
 		if (!storeLineField.isValid()) {
 			setErrorMessage(storeLineField.getErrorMessage());
 			setValid(false);
 			return false;
 		}
 		return true;
 	}
 	protected void updatePreferencePage() {
 		setErrorMessage(null);
 		setMessage(null);
 		if (!isValidOutputSetting())
 			return;
 		setValid(true);
 	}
 	protected String getFieldContent(String text) {
 		if (text.trim().length() == 0 || text.equals(EMPTY_STRING))
 			return null;
 		return text;
 	}
 	protected GridLayout createGridLayout(int columns, boolean isEqual, int mh, int mw) {
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = columns;
 		gridLayout.makeColumnsEqualWidth = isEqual;
 		gridLayout.marginHeight = mh;
 		gridLayout.marginWidth = mw;
 		return gridLayout;
 	}
 	protected GridData spanGridData(int style, int space) {
 		GridData gd = null;
 		if (style == -1)
 			gd = new GridData();
 		else
 			gd = new GridData(style);
 		gd.horizontalSpan = space;
 		return gd;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005 The Regents of the University of California.
	* This material was produced under U.S. Government contract W-7405-ENG-36
	* for Los Alamos National Laboratory, which is operated by the University
	* of California for the U.S. Department of Energy. The U.S. Government has
	* rights to use, reproduce, and distribute this software. NEITHER THE
	* GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
	* ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
	* to produce derivative works, such modified software should be clearly marked,
	* so as not to confuse it with the version available from LANL.
	*
	* Additionally, 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
	*
	* LA-CC 04-115
	*******************************************************************************/
	package org.eclipse.ptp.ui.preferences;

	import java.io.File;

	import org.eclipse.core.runtime.Preferences;
	import org.eclipse.jface.preference.FieldEditor;
	import org.eclipse.jface.preference.IntegerFieldEditor;
	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.ptp.core.PTPCorePlugin;
	import org.eclipse.ptp.core.PreferenceConstants;
	import org.eclipse.ptp.ui.messages.Messages;
	import org.eclipse.ptp.utils.ui.swt.SWTUtil;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.FillLayout;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchPreferencePage;

	public class PTPPreferencesPage extends PreferencePage implements IWorkbenchPreferencePage {
	public static final String EMPTY_STRING = ""; //$NON-NLS-1$
	protected Text outputDirText = null;
	protected Button browseButton = null;
	protected IntegerFieldEditor storeLineField = null;
	private String outputDIR = EMPTY_STRING;
	private String defaultOutputDIR = "/tmp"; //$NON-NLS-1$
	private int storeLine = PreferenceConstants.DEFAULT_STORE_LINES;

	protected class WidgetListener extends SelectionAdapter implements ModifyListener, IPropertyChangeListener {
	public void widgetSelected(SelectionEvent e) {
	Object source = e.getSource();
	if (source == browseButton)
	handleOutputDirectoryBrowseButtonSelected();
	else
	updatePreferencePage();
	}
	public void modifyText(ModifyEvent evt) {
	updatePreferencePage();
	}
	public void propertyChange(PropertyChangeEvent event) {
	if (event.getProperty().equals(FieldEditor.IS_VALID))
	updatePreferencePage();
	}
	}

	protected WidgetListener listener = new WidgetListener();

	protected Control createContents(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(createGridLayout(1, true, 0, 0));
	composite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 2));
	createOutputContents(composite);
	loadSaved();
	defaultSetting();
	return composite;
	}

	protected Button createCheckButton(Composite parent, String label) {
	return createButton(parent, label, SWT.CHECK \| SWT.LEFT);
	}

	protected Button createButton(Composite parent, String label, int type) {
	Button button = new Button(parent, type);
	button.setText(label);
	GridData data = new GridData();
	button.setLayoutData(data);
	return button;
	}

	private void createOutputContents(Composite parent) {
	Group aGroup = new Group(parent, SWT.SHADOW_ETCHED_IN);
	aGroup.setLayout(createGridLayout(1, true, 10, 10));
	aGroup.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 2));
	aGroup.setText(Messages.PTPPreferencesPage_0);
	Composite outputComposite = new Composite(aGroup, SWT.NONE);
	outputComposite.setLayout(createGridLayout(3, false, 0, 0));
	outputComposite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 5));
	new Label(outputComposite, SWT.NONE).setText(Messages.PTPPreferencesPage_1);
	outputDirText = new Text(outputComposite, SWT.SINGLE \| SWT.BORDER);
	outputDirText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	outputDirText.addModifyListener(listener);
	browseButton = SWTUtil.createPushButton(outputComposite, Messages.PTPPreferencesPage_2, null);
	browseButton.addSelectionListener(listener);
	Composite lineComposite = new Composite(aGroup, SWT.NONE);
	lineComposite.setLayout(new FillLayout());
	lineComposite.setLayoutData(spanGridData(GridData.FILL_HORIZONTAL, 5));
	storeLineField = new IntegerFieldEditor(PreferenceConstants.PREFS_STORE_LINES, Messages.PTPPreferencesPage_3, lineComposite);
	storeLineField.setPropertyChangeListener(listener);
	storeLineField.setEmptyStringAllowed(false);
	}
	protected void defaultSetting() {
	outputDirText.setText(outputDIR);
	storeLineField.setStringValue(String.valueOf(storeLine));
	}
	private void loadSaved() {
	Preferences preferences = PTPCorePlugin.getDefault().getPluginPreferences();
	outputDIR = preferences.getString(PreferenceConstants.PREFS_OUTPUT_DIR);
	if (outputDIR.equals("")) //$NON-NLS-1$
	outputDIR = defaultOutputDIR;
	if (outputDIR != null)
	outputDirText.setText(outputDIR);
	storeLine = preferences.getInt(PreferenceConstants.PREFS_STORE_LINES);
	storeLineField.setStringValue(String.valueOf(storeLine));
	}
	/* do stuff on init() of preferences, if anything */
	public void init(IWorkbench workbench) {}
	public void dispose() {
	super.dispose();
	}
	public void performDefaults() {
	defaultSetting();
	updateApplyButton();
	}
	private void store() {
	outputDIR = outputDirText.getText();
	storeLine = storeLineField.getIntValue();
	}
	public boolean performOk() {
	store();
	Preferences preferences = PTPCorePlugin.getDefault().getPluginPreferences();
	preferences.setValue(PreferenceConstants.PREFS_OUTPUT_DIR, outputDIR);
	preferences.setValue(PreferenceConstants.PREFS_STORE_LINES, storeLine);
	PTPCorePlugin.getDefault().savePluginPreferences();
	/*
	* IModelManager manager = PTPCorePlugin.getDefault().getModelManager();
	* if (manager.isParallelPerspectiveOpen() && (lastMSChoiceID != MSChoiceID \|\| lastCSChoiceID != CSChoiceID)) {
	* manager.refreshRuntimeSystems(CSChoiceID, MSChoiceID); }
	*/
	File outputDirPath = new File(outputDIR);
	if (!outputDirPath.exists())
	outputDirPath.mkdir();
	return true;
	}
	protected void handleOutputDirectoryBrowseButtonSelected() {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setText(Messages.PTPPreferencesPage_4);
	String currectDirPath = getFieldContent(outputDirText.getText());
	if (currectDirPath != null) {
	File path = new File(currectDirPath);
	if (path.exists())
	dialog.setFilterPath(currectDirPath);
	}
	String selectedDirPath = dialog.open();
	if (selectedDirPath != null)
	outputDirText.setText(selectedDirPath);
	}
	protected boolean isValidOutputSetting() {
	String name = getFieldContent(outputDirText.getText());
	if (name == null) {
	setErrorMessage(Messages.PTPPreferencesPage_5);
	setValid(false);
	return false;
	}
	File path = new File(name);
	if (!path.exists()) {
	File parent = path.getParentFile();
	if (parent == null \|\| !parent.exists()) {
	setErrorMessage(Messages.PTPPreferencesPage_5);
	setValid(false);
	return false;
	}
	}
	if (!storeLineField.isValid()) {
	setErrorMessage(storeLineField.getErrorMessage());
	setValid(false);
	return false;
	}
	return true;
	}
	protected void updatePreferencePage() {
	setErrorMessage(null);
	setMessage(null);
	if (!isValidOutputSetting())
	return;
	setValid(true);
	}
	protected String getFieldContent(String text) {
	if (text.trim().length() == 0 \|\| text.equals(EMPTY_STRING))
	return null;
	return text;
	}
	protected GridLayout createGridLayout(int columns, boolean isEqual, int mh, int mw) {
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = columns;
	gridLayout.makeColumnsEqualWidth = isEqual;
	gridLayout.marginHeight = mh;
	gridLayout.marginWidth = mw;
	return gridLayout;
	}
	protected GridData spanGridData(int style, int space) {
	GridData gd = null;
	if (style == -1)
	gd = new GridData();
	else
	gd = new GridData(style);
	gd.horizontalSpan = space;
	return gd;
	}
	}