com.aptana.radrails.rcp.main.preferences.StartupShutdownPreferencePage.java Source code

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Here is the source code for com.aptana.radrails.rcp.main.preferences.StartupShutdownPreferencePage.java

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/**
 * Copyright (c) 2005-2006 Aptana, Inc.
 *
 * 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. If redistributing this code,
 * this entire header must remain intact.
 */
package com.aptana.radrails.rcp.main.preferences;

import org.eclipse.jface.preference.BooleanFieldEditor;
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.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

import com.aptana.radrails.rcp.main.MainPlugin;

/**
 * Allows the user to edit the set of user agents
 * 
 * @since 3.1
 */
public final class StartupShutdownPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    private BooleanFieldEditor nameEditor;

    /**
     * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
     */
    protected Control createContents(Composite parent) {

        Composite entryTable = new Composite(parent, SWT.NULL);

        // Create a data that takes up the extra space in the dialog .
        GridData data = new GridData(GridData.FILL_HORIZONTAL);
        data.grabExcessHorizontalSpace = true;
        entryTable.setLayoutData(data);

        GridLayout layout = new GridLayout();
        entryTable.setLayout(layout);

        Composite colorComposite = new Composite(entryTable, SWT.NONE);

        colorComposite.setLayout(new GridLayout());

        // Create a data that takes up the extra space in the dialog.
        colorComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        nameEditor = new BooleanFieldEditor(IPreferenceConstants.REOPEN_EDITORS_ON_STARTUP,
                Messages.StartupShutdownPreferencePage_ReopenExternalFilesOnStartup, colorComposite);

        // Set the editor up to use this page
        nameEditor.setPage(this);
        nameEditor.setPreferenceStore(getPreferenceStore());
        nameEditor.load();

        return entryTable;
    }

    /**
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    public void init(IWorkbench workbench) {
        // Initialize the preference store we wish to use
        setPreferenceStore(MainPlugin.getDefault().getPreferenceStore());
    }

    /**
     * Performs special processing when this page's Restore Defaults button has been pressed. Sets the contents of the
     * color field to the default value in the preference store.
     */
    protected void performDefaults() {
        nameEditor.loadDefault();
    }

    /**
     * Method declared on IPreferencePage. Save the color preference to the preference store.
     * 
     * @return boolean
     */
    public boolean performOk() {
        nameEditor.store();
        return super.performOk();
    }

}