bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryEncodingPropertyPage.java - platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.team.internal.ccvs.ui.repo;

 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.preference.*;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.team.internal.ccvs.core.CVSStatus;
 import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation;
 import org.eclipse.team.internal.ccvs.core.connection.CVSRepositoryLocation;
 import org.eclipse.team.internal.ccvs.core.util.KnownRepositories;
 import org.eclipse.team.internal.ccvs.ui.*;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.PreferencesUtil;
 import org.eclipse.ui.dialogs.PropertyPage;
 import org.eclipse.ui.ide.dialogs.EncodingFieldEditor;
 import org.osgi.service.prefs.BackingStoreException;
 import org.osgi.service.prefs.Preferences;

 /**
  * Repository preference page for setting the encoding of the server
  */
 public class RepositoryEncodingPropertyPage extends PropertyPage implements IPropertyChangeListener {

 	private static final int LABEL_WIDTH_HINT = 400;

 	private EncodingFieldEditor encoding;
 	private ICVSRepositoryLocation location;

 	private boolean valueChanged;

 	public class OSGIPreferenceStore implements IPreferenceStore {
 		private Preferences preferences, defaults;
 		private boolean dirty;

 		/**
 		 * Create a wrapper for the given OSGI preferences node
 		 * @param preferences an OSGI preferences node
 		 */
 		public OSGIPreferenceStore(Preferences preferences, Preferences defaults) {
 			this.preferences = preferences;
 			this.defaults = defaults;
 		}

 		@Override
 		public void addPropertyChangeListener(IPropertyChangeListener listener) {
 			// TODO Auto-generated method stub

 		}

 		@Override
 		public void removePropertyChangeListener(IPropertyChangeListener listener) {
 			// TODO Auto-generated method stub

 		}

 		@Override
 		public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
 			// TODO Auto-generated method stub

 		}

 		@Override
 		public boolean contains(String name) {
 			try {
 				String[] keys = preferences.keys();
 				for (int i = 0; i < keys.length; i++) {
 					String string = keys[i];
 					if (string.equals(name)) {
 						return true;
 					}
 				}
 				return false;
 			} catch (BackingStoreException e) {
 				CVSUIPlugin.log(new CVSStatus(IStatus.ERROR, CVSUIMessages.internal, e));
 				return false;
 			}
 		}


 		@Override
 		public boolean getBoolean(String name) {
 			return preferences.getBoolean(name, getDefaultBoolean(name));
 		}

 		@Override
 		public boolean getDefaultBoolean(String name) {
 			if (defaults != null) {
 				return defaults.getBoolean(name, false);
 			}
 			return false;
 		}

 		@Override
 		public double getDefaultDouble(String name) {
 			if (defaults != null) {
 				return defaults.getDouble(name, 0);
 			}
 			return 0;
 		}

 		@Override
 		public float getDefaultFloat(String name) {
 			if (defaults != null) {
 				return defaults.getFloat(name, 0);
 			}
 			return 0;
 		}

 		@Override
 		public int getDefaultInt(String name) {
 			if (defaults != null) {
 				return defaults.getInt(name, 0);
 			}
 			return 0;
 		}

 		@Override
 		public long getDefaultLong(String name) {
 			if (defaults != null) {
 				return defaults.getLong(name, 0);
 			}
 			return 0;
 		}

 		@Override
 		public String getDefaultString(String name) {
 			if (defaults != null) {
 				return defaults.get(name, null);
 			}
 			return null;
 		}

 		@Override
 		public double getDouble(String name) {
 			return preferences.getDouble(name, getDefaultDouble(name));
 		}

 		@Override
 		public float getFloat(String name) {
 			return preferences.getFloat(name, getDefaultFloat(name));
 		}

 		@Override
 		public int getInt(String name) {
 			return preferences.getInt(name, getDefaultInt(name));
 		}

 		@Override
 		public long getLong(String name) {
 			return preferences.getLong(name, getDefaultLong(name));
 		}

 		@Override
 		public String getString(String name) {
 			return preferences.get(name, getDefaultString(name));
 		}

 		@Override
 		public boolean isDefault(String name) {
 			return !contains(name);
 		}

 		@Override
 		public boolean needsSaving() {
 			return dirty;
 		}

 		@Override
 		public void putValue(String name, String value) {
 			preferences.put(name, value);
 			dirty = true;
 		}

 		@Override
 		public void setDefault(String name, double value) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setDefault(String name, float value) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setDefault(String name, int value) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setDefault(String name, long value) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setDefault(String name, String defaultObject) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setDefault(String name, boolean value) {
 			// Defaults cannot be set this way
 		}

 		@Override
 		public void setToDefault(String name) {
 			preferences.remove(name);
 			dirty = true;
 		}

 		@Override
 		public void setValue(String name, double value) {
 			preferences.putDouble(name, value);
 			dirty = true;
 		}

 		@Override
 		public void setValue(String name, float value) {
 			preferences.putFloat(name, value);
 			dirty = true;
 		}

 		@Override
 		public void setValue(String name, int value) {
 			preferences.putInt(name, value);
 			dirty = true;
 		}

 		@Override
 		public void setValue(String name, long value) {
 			preferences.putLong(name, value);
 			dirty = true;
 		}

 		@Override
 		public void setValue(String name, String value) {
 			putValue(name, value);
 		}

 		@Override
 		public void setValue(String name, boolean value) {
 			preferences.putBoolean(name, value);
 			dirty = true;
 		}
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		initialize();

 		Composite composite = new Composite(parent, SWT.NULL);
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		GridLayout layout = new GridLayout();
 		composite.setLayout(layout);

 		Label label = createWrappingLabel(composite, CVSUIMessages.RepositoryEncodingPropertyPage_2, 1);

 		encoding = new EncodingFieldEditor(CVSRepositoryLocation.PREF_SERVER_ENCODING, CVSUIMessages.RepositoryEncodingPropertyPage_3, composite);
 		encoding.setPage(this);
 		encoding.setPreferenceStore(getLocationPreferenceStore());
 		encoding.load();
 		encoding.setPropertyChangeListener(this);

 		Link pageLink = new Link(composite,  SWT.LEFT | SWT.WRAP);
 		pageLink.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {

 				PreferenceDialog dialog = PreferencesUtil
 						.createPreferenceDialogOn(
 								getShell(),
 								"org.eclipse.ui.preferencePages.Workspace", null, null); //$NON-NLS-1$
 				dialog.open();

 			}
 		});

 		pageLink.setLayoutData(label.getLayoutData());
 		pageLink.setText(CVSUIMessages.RepositoryEncodingPropertyPage_4);

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IHelpContextIds.REPOSITORY_ENCODING_PROPERTY_PAGE);
 		Dialog.applyDialogFont(parent);
 		return composite;
 	}

 	private IPreferenceStore getLocationPreferenceStore() {
 		return new OSGIPreferenceStore(
 			((CVSRepositoryLocation)location).getPreferences(),
 			CVSRepositoryLocation.getDefaultPreferences());
 	}

 	private void initialize() {
 		location = null;
 		IAdaptable element = getElement();
 		if (element instanceof ICVSRepositoryLocation) {
 			location = (ICVSRepositoryLocation)element;
 		} else {
 			Object adapter = element.getAdapter(ICVSRepositoryLocation.class);
 			if (adapter instanceof ICVSRepositoryLocation) {
 				location = (ICVSRepositoryLocation)adapter;
 			}
 		}
 	}

 	@Override
 	public void propertyChange(PropertyChangeEvent event) {
 		if (event.getProperty() == FieldEditor.IS_VALID) {
 			setValid(((Boolean)event.getNewValue()).booleanValue());
 			return;
 		} else if (event.getProperty() == FieldEditor.VALUE) {
 			valueChanged = true;
 			return;
 		}
 	}

 	@Override
 	public boolean performOk() {
 		if (!valueChanged) {
 			// See bug 137073
 			// return true;
 		}
 		if (!KnownRepositories.getInstance().isKnownRepository(location.getLocation(false))) {
 			// The location may have been replaced by the main properties page
 			MessageDialog.openInformation(getShell(), CVSUIMessages.RepositoryEncodingPropertyPage_0, NLS.bind(CVSUIMessages.RepositoryEncodingPropertyPage_1, new String[] { location.getLocation(true) })); //
 			return true;
 		}
 		encoding.store();
 		try {
 			((CVSRepositoryLocation)location).getPreferences().flush();
 		} catch (BackingStoreException e) {
 			// Log and ignore
 			CVSUIPlugin.log(new CVSStatus(IStatus.ERROR, CVSUIMessages.internal, e));
 		}
 		return true;
 	}

 	@Override
 	protected void performDefaults() {
 		super.performDefaults();
 		encoding.loadDefault();
 	}

 	private Label createWrappingLabel(Composite parent, String text, int horizontalSpan) {
 		Label label = new Label(parent, SWT.LEFT | SWT.WRAP);
 		label.setText(text);
 		label.setFont(parent.getFont());
 		GridData data = new GridData();
 		data.horizontalSpan = horizontalSpan;
 		data.horizontalAlignment = GridData.FILL;
 		data.grabExcessHorizontalSpace = true;
 		data.widthHint = LABEL_WIDTH_HINT;
 		label.setLayoutData(data);
 		return label;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2007 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.team.internal.ccvs.ui.repo;

	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.preference.*;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.team.internal.ccvs.core.CVSStatus;
	import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation;
	import org.eclipse.team.internal.ccvs.core.connection.CVSRepositoryLocation;
	import org.eclipse.team.internal.ccvs.core.util.KnownRepositories;
	import org.eclipse.team.internal.ccvs.ui.*;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.PreferencesUtil;
	import org.eclipse.ui.dialogs.PropertyPage;
	import org.eclipse.ui.ide.dialogs.EncodingFieldEditor;
	import org.osgi.service.prefs.BackingStoreException;
	import org.osgi.service.prefs.Preferences;

	/**
	* Repository preference page for setting the encoding of the server
	*/
	public class RepositoryEncodingPropertyPage extends PropertyPage implements IPropertyChangeListener {

	private static final int LABEL_WIDTH_HINT = 400;

	private EncodingFieldEditor encoding;
	private ICVSRepositoryLocation location;

	private boolean valueChanged;

	public class OSGIPreferenceStore implements IPreferenceStore {
	private Preferences preferences, defaults;
	private boolean dirty;

	/**
	* Create a wrapper for the given OSGI preferences node
	* @param preferences an OSGI preferences node
	*/
	public OSGIPreferenceStore(Preferences preferences, Preferences defaults) {
	this.preferences = preferences;
	this.defaults = defaults;
	}

	@Override
	public void addPropertyChangeListener(IPropertyChangeListener listener) {
	// TODO Auto-generated method stub

	}

	@Override
	public void removePropertyChangeListener(IPropertyChangeListener listener) {
	// TODO Auto-generated method stub

	}

	@Override
	public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
	// TODO Auto-generated method stub

	}

	@Override
	public boolean contains(String name) {
	try {
	String[] keys = preferences.keys();
	for (int i = 0; i < keys.length; i++) {
	String string = keys[i];
	if (string.equals(name)) {
	return true;
	}
	}
	return false;
	} catch (BackingStoreException e) {
	CVSUIPlugin.log(new CVSStatus(IStatus.ERROR, CVSUIMessages.internal, e));
	return false;
	}
	}


	@Override
	public boolean getBoolean(String name) {
	return preferences.getBoolean(name, getDefaultBoolean(name));
	}

	@Override
	public boolean getDefaultBoolean(String name) {
	if (defaults != null) {
	return defaults.getBoolean(name, false);
	}
	return false;
	}

	@Override
	public double getDefaultDouble(String name) {
	if (defaults != null) {
	return defaults.getDouble(name, 0);
	}
	return 0;
	}

	@Override
	public float getDefaultFloat(String name) {
	if (defaults != null) {
	return defaults.getFloat(name, 0);
	}
	return 0;
	}

	@Override
	public int getDefaultInt(String name) {
	if (defaults != null) {
	return defaults.getInt(name, 0);
	}
	return 0;
	}

	@Override
	public long getDefaultLong(String name) {
	if (defaults != null) {
	return defaults.getLong(name, 0);
	}
	return 0;
	}

	@Override
	public String getDefaultString(String name) {
	if (defaults != null) {
	return defaults.get(name, null);
	}
	return null;
	}

	@Override
	public double getDouble(String name) {
	return preferences.getDouble(name, getDefaultDouble(name));
	}

	@Override
	public float getFloat(String name) {
	return preferences.getFloat(name, getDefaultFloat(name));
	}

	@Override
	public int getInt(String name) {
	return preferences.getInt(name, getDefaultInt(name));
	}

	@Override
	public long getLong(String name) {
	return preferences.getLong(name, getDefaultLong(name));
	}

	@Override
	public String getString(String name) {
	return preferences.get(name, getDefaultString(name));
	}

	@Override
	public boolean isDefault(String name) {
	return !contains(name);
	}

	@Override
	public boolean needsSaving() {
	return dirty;
	}

	@Override
	public void putValue(String name, String value) {
	preferences.put(name, value);
	dirty = true;
	}

	@Override
	public void setDefault(String name, double value) {
	// Defaults cannot be set this way
	}

	@Override
	public void setDefault(String name, float value) {
	// Defaults cannot be set this way
	}

	@Override
	public void setDefault(String name, int value) {
	// Defaults cannot be set this way
	}

	@Override
	public void setDefault(String name, long value) {
	// Defaults cannot be set this way
	}

	@Override
	public void setDefault(String name, String defaultObject) {
	// Defaults cannot be set this way
	}

	@Override
	public void setDefault(String name, boolean value) {
	// Defaults cannot be set this way
	}

	@Override
	public void setToDefault(String name) {
	preferences.remove(name);
	dirty = true;
	}

	@Override
	public void setValue(String name, double value) {
	preferences.putDouble(name, value);
	dirty = true;
	}

	@Override
	public void setValue(String name, float value) {
	preferences.putFloat(name, value);
	dirty = true;
	}

	@Override
	public void setValue(String name, int value) {
	preferences.putInt(name, value);
	dirty = true;
	}

	@Override
	public void setValue(String name, long value) {
	preferences.putLong(name, value);
	dirty = true;
	}

	@Override
	public void setValue(String name, String value) {
	putValue(name, value);
	}

	@Override
	public void setValue(String name, boolean value) {
	preferences.putBoolean(name, value);
	dirty = true;
	}
	}

	@Override
	protected Control createContents(Composite parent) {
	initialize();

	Composite composite = new Composite(parent, SWT.NULL);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridLayout layout = new GridLayout();
	composite.setLayout(layout);

	Label label = createWrappingLabel(composite, CVSUIMessages.RepositoryEncodingPropertyPage_2, 1);

	encoding = new EncodingFieldEditor(CVSRepositoryLocation.PREF_SERVER_ENCODING, CVSUIMessages.RepositoryEncodingPropertyPage_3, composite);
	encoding.setPage(this);
	encoding.setPreferenceStore(getLocationPreferenceStore());
	encoding.load();
	encoding.setPropertyChangeListener(this);

	Link pageLink = new Link(composite, SWT.LEFT \| SWT.WRAP);
	pageLink.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {

	PreferenceDialog dialog = PreferencesUtil
	.createPreferenceDialogOn(
	getShell(),
	"org.eclipse.ui.preferencePages.Workspace", null, null); //$NON-NLS-1$
	dialog.open();

	}
	});

	pageLink.setLayoutData(label.getLayoutData());
	pageLink.setText(CVSUIMessages.RepositoryEncodingPropertyPage_4);

	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IHelpContextIds.REPOSITORY_ENCODING_PROPERTY_PAGE);
	Dialog.applyDialogFont(parent);
	return composite;
	}

	private IPreferenceStore getLocationPreferenceStore() {
	return new OSGIPreferenceStore(
	((CVSRepositoryLocation)location).getPreferences(),
	CVSRepositoryLocation.getDefaultPreferences());
	}

	private void initialize() {
	location = null;
	IAdaptable element = getElement();
	if (element instanceof ICVSRepositoryLocation) {
	location = (ICVSRepositoryLocation)element;
	} else {
	Object adapter = element.getAdapter(ICVSRepositoryLocation.class);
	if (adapter instanceof ICVSRepositoryLocation) {
	location = (ICVSRepositoryLocation)adapter;
	}
	}
	}

	@Override
	public void propertyChange(PropertyChangeEvent event) {
	if (event.getProperty() == FieldEditor.IS_VALID) {
	setValid(((Boolean)event.getNewValue()).booleanValue());
	return;
	} else if (event.getProperty() == FieldEditor.VALUE) {
	valueChanged = true;
	return;
	}
	}

	@Override
	public boolean performOk() {
	if (!valueChanged) {
	// See bug 137073
	// return true;
	}
	if (!KnownRepositories.getInstance().isKnownRepository(location.getLocation(false))) {
	// The location may have been replaced by the main properties page
	MessageDialog.openInformation(getShell(), CVSUIMessages.RepositoryEncodingPropertyPage_0, NLS.bind(CVSUIMessages.RepositoryEncodingPropertyPage_1, new String[] { location.getLocation(true) })); //
	return true;
	}
	encoding.store();
	try {
	((CVSRepositoryLocation)location).getPreferences().flush();
	} catch (BackingStoreException e) {
	// Log and ignore
	CVSUIPlugin.log(new CVSStatus(IStatus.ERROR, CVSUIMessages.internal, e));
	}
	return true;
	}

	@Override
	protected void performDefaults() {
	super.performDefaults();
	encoding.loadDefault();
	}

	private Label createWrappingLabel(Composite parent, String text, int horizontalSpan) {
	Label label = new Label(parent, SWT.LEFT \| SWT.WRAP);
	label.setText(text);
	label.setFont(parent.getFont());
	GridData data = new GridData();
	data.horizontalSpan = horizontalSpan;
	data.horizontalAlignment = GridData.FILL;
	data.grabExcessHorizontalSpace = true;
	data.widthHint = LABEL_WIDTH_HINT;
	label.setLayoutData(data);
	return label;
	}
	}