org.code_conjurer.eclipse.preferences.MainPreferencePage.java Source code

Introduction

Here is the source code for org.code_conjurer.eclipse.preferences.MainPreferencePage.java

Source

/**
 * (C) Software-Engineering Group, University of Mannheim, Germany
 * 
 * Released under the terms of the GNU/General Public License v3
 * A license can be obtained at http://www.gnu.org
 */
package org.code_conjurer.eclipse.preferences;

import org.eclipse.jface.preference.*;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.IWorkbench;
import org.code_conjurer.eclipse.Activator;

/**
 * This class represents a preference page that
 * is contributed to the Preferences dialog. By 
 * subclassing <samp>FieldEditorPreferencePage</samp>, we
 * can use the field support built into JFace that allows
 * us to create a page that is small and knows how to 
 * save, restore and apply itself.
 * <p>
 * This page is used to modify preferences only. They
 * are stored in the preference store that belongs to
 * the main plug-in class. That way, preferences can
 * be accessed directly via the preference store.
 */

public class MainPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    public MainPreferencePage() {
        super(GRID);
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription("A demonstration of a preference page implementation");
    }

    /**
     * Creates the field editors. Field editors are abstractions of
     * the common GUI blocks needed to manipulate various types
     * of preferences. Each field editor knows how to save and
     * restore itself.
     */
    public void createFieldEditors() {
        addField(new DirectoryFieldEditor(PreferenceConstants.P_PATH, "&Directory preference:",
                getFieldEditorParent()));
        addField(new BooleanFieldEditor(PreferenceConstants.P_BOOLEAN, "&An example of a boolean preference",
                getFieldEditorParent()));

        addField(new RadioGroupFieldEditor(PreferenceConstants.P_CHOICE,
                "An example of a multiple-choice preference", 1,
                new String[][] { { "&Choice 1", "choice1" }, { "C&hoice 2", "choice2" } }, getFieldEditorParent()));
        addField(
                new StringFieldEditor(PreferenceConstants.P_STRING, "A &text preference:", getFieldEditorParent()));
    }

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

}