org.eclipse.wst.jsdt.debug.internal.rhino.ui.preferences.RhinoDebugPreferencePage.java Source code

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Here is the source code for org.eclipse.wst.jsdt.debug.internal.rhino.ui.preferences.RhinoDebugPreferencePage.java

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/*******************************************************************************
 * Copyright (c) 2010, 2011 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.jsdt.debug.internal.rhino.ui.preferences;

import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.jsdt.debug.internal.rhino.Constants;
import org.eclipse.wst.jsdt.debug.internal.rhino.ui.IHelpConstants;
import org.eclipse.wst.jsdt.debug.internal.rhino.ui.RhinoUIPlugin;
import org.eclipse.wst.jsdt.debug.internal.ui.SWTFactory;

/**
 * Default preference page for Rhino preferences
 * 
 * @since 1.0
 */
public class RhinoDebugPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    public static final String PAGE_ID = "org.eclipse.wst.jsdt.debug.rhino.ui.debug.pref.page"; //$NON-NLS-1$

    /**
     * Constructor
     */
    public RhinoDebugPreferencePage() {
        super(GRID);
        setDescription(Messages.rhino_pref_page_desc);
        setPreferenceStore(RhinoUIPlugin.getCorePreferenceStore());
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    public void init(IWorkbench workbench) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors()
     */
    protected void createFieldEditors() {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite)
     */
    public void createControl(Composite parent) {
        super.createControl(parent);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IHelpConstants.RHINO_PREFERENCE_PAGE);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createContents(org.eclipse.swt.widgets.Composite)
     */
    protected Control createContents(Composite parent) {
        Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_HORIZONTAL, 0, 0);
        Group group = SWTFactory.createGroup(comp, Messages.suspend_execution, 1, 1, GridData.FILL_HORIZONTAL);
        BooleanFieldEditor editor = new BooleanFieldEditor(Constants.SUSPEND_ON_STDIN_LOAD,
                Messages.suspend_for_stdin, group);
        initEditor(editor, RhinoUIPlugin.getCorePreferenceStore());
        //reset the group layout after we add the editors, since they toast the padding
        GridLayout lo = (GridLayout) group.getLayout();
        lo.marginWidth = 5;
        lo.marginHeight = 5;
        return comp;
    }

    /**
     * Initializes and sets up the given editor
     * 
     * @param editor
     * @param store
     */
    void initEditor(FieldEditor editor, IPreferenceStore store) {
        addField(editor);
        editor.setPage(this);
        editor.setPropertyChangeListener(this);
        editor.setPreferenceStore(store);
        editor.load();
    }
}