bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/ExtMethodPreferencePage.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.team.internal.ccvs.ui;


import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
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.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.help.WorkbenchHelp;

public class ExtMethodPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

	Text cvsRsh;
	Text cvsServer;	
	Text cvsRshParameters;

	/*
	 * @see PreferencePage#createContents(Composite)
	 */
	protected Control createContents(Composite parent) {
		Composite composite = new Composite(parent, SWT.NULL);
		GridLayout layout = new GridLayout();
		layout.marginWidth = 0;
		layout.marginHeight = 0;
		layout.numColumns = 3;
		composite.setLayout(layout);
		composite.setLayoutData(new GridData());
		
		Label intro = new Label(composite, SWT.LEFT | SWT.WRAP);
		intro.setText(Policy.bind("ExtMethodPreferencePage_message")); //$NON-NLS-1$
		GridData data = new GridData();
		data.horizontalSpan = 3;
		data.horizontalAlignment = GridData.FILL;
		data.widthHint = 300;
		intro.setLayoutData(data);
		
		new Label(composite, SWT.LEFT).setText(Policy.bind("ExtMethodPreferencePage_CVS_RSH")); //$NON-NLS-1$
		cvsRsh = new Text(composite, SWT.BORDER);
		cvsRsh.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		final Button b = new Button(composite, SWT.NONE);
		b.setText(Policy.bind("ExtMethodPreferencePage_Browse")); //$NON-NLS-1$
		data = new GridData();
		data.horizontalAlignment = GridData.FILL;
		data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
		int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
		data.widthHint = Math.max(widthHint, b.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
		b.setLayoutData(data);
		b.addListener(SWT.MouseDown, new Listener() {
			public void handleEvent (Event event) {
				FileDialog d = new FileDialog(getShell());
				d.setText(Policy.bind("ExtMethodPreferencePage_Details")); //$NON-NLS-1$
				String file = d.open();
				if(file!=null) {
					setCvsRshText(file);
				}
			}			
		});
		
		new Label(composite, SWT.LEFT).setText(Policy.bind("ExtMethodPreferencePage_CVS_RSH_Parameters")); //$NON-NLS-1$
		cvsRshParameters = new Text(composite, SWT.BORDER);
		data = new GridData();
		data.horizontalSpan = 2;
		data.horizontalAlignment = GridData.FILL;
		cvsRshParameters.setLayoutData(data);

		new Label(composite, SWT.LEFT).setText(Policy.bind("ExtMethodPreferencePage_CVS_SERVER__7")); //$NON-NLS-1$
		cvsServer = new Text(composite, SWT.BORDER);
		data = new GridData();
		data.horizontalSpan = 2;
		data.horizontalAlignment = GridData.FILL;
		cvsServer.setLayoutData(data);
		
		initializeDefaults();
		WorkbenchHelp.setHelp(composite, IHelpContextIds.EXT_PREFERENCE_PAGE);
		WorkbenchHelp.setHelp(cvsRsh, IHelpContextIds.EXT_PREFERENCE_RSH);
		WorkbenchHelp.setHelp(cvsRshParameters, IHelpContextIds.EXT_PREFERENCE_PARAM);
		WorkbenchHelp.setHelp(cvsServer, IHelpContextIds.EXT_PREFERENCE_SERVER);
		Dialog.applyDialogFont(parent);
		return composite;
	}
	
	protected void initializeDefaults() {
		IPreferenceStore store = getPreferenceStore();
		cvsRsh.setText(store.getString(ICVSUIConstants.PREF_CVS_RSH));
		cvsRshParameters.setText(store.getString(ICVSUIConstants.PREF_CVS_RSH_PARAMETERS));
		cvsServer.setText(store.getString(ICVSUIConstants.PREF_CVS_SERVER));
	}
	
	/*
	 * Set CVS_RSH program
	 */
	 protected void setCvsRshText(String s) {
	 	cvsRsh.setText(s);
	 }
	
	/*
	 * @see IWorkbenchPreferencePage#init(IWorkbench)
	 */
	public void init(IWorkbench workbench) {
	}
	
	/*
	 * @see IPreferencePage#performOk()
	 */
	public boolean performOk() {
		IPreferenceStore store = getPreferenceStore();
		store.setValue(ICVSUIConstants.PREF_CVS_RSH, cvsRsh.getText());
		store.setValue(ICVSUIConstants.PREF_CVS_RSH_PARAMETERS, cvsRshParameters.getText());
		store.setValue(ICVSUIConstants.PREF_CVS_SERVER, cvsServer.getText());
		CVSProviderPlugin.getPlugin().setCvsRshCommand(cvsRsh.getText());
		CVSProviderPlugin.getPlugin().setCvsRshParameters(cvsRshParameters.getText());
		CVSProviderPlugin.getPlugin().setCvsServer(cvsServer.getText());
		CVSUIPlugin.getPlugin().savePluginPreferences();
		return super.performOk();
	}
	/*
	 * @see PreferencePage#doGetPreferenceStore()
	 */
	protected IPreferenceStore doGetPreferenceStore() {
		return CVSUIPlugin.getPlugin().getPreferenceStore();
	}
}