org.ebayopensource.turmeric.eclipse.registry.consumer.preferences.AssertionServicePreferencePage.java Source code

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Here is the source code for org.ebayopensource.turmeric.eclipse.registry.consumer.preferences.AssertionServicePreferencePage.java

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/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/
package org.ebayopensource.turmeric.eclipse.registry.consumer.preferences;

import org.ebayopensource.turmeric.eclipse.registry.consumer.Activator;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * 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.
 * 
 * @author yayu
 * @since 1.0.0
 */

public class AssertionServicePreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
    private BooleanFieldEditor enableASField;
    private BooleanFieldEditor overwriteASField;
    private StringFieldEditor asEndpointField;

    /**
     * Instantiates a new assertion service preference page.
     */
    public AssertionServicePreferencePage() {
        super(GRID);
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription("a preference page for Assertion Service");
    }

    /**
     * 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.
     */
    @Override
    public void createFieldEditors() {
        final Composite fieldParent = getFieldEditorParent();
        enableASField = new BooleanFieldEditor(AssertionServicePreferenceConstants.ENABLE_ASSERTION_SERVICE,
                "&Enable Assertion Service Integration", fieldParent);
        addField(enableASField);
        overwriteASField = new BooleanFieldEditor(AssertionServicePreferenceConstants.OVERWRITE_AS_ENDPOINT,
                "&Overwrite Assertion Service Properties", fieldParent) {

            @Override
            protected void valueChanged(boolean oldValue, boolean newValue) {
                setFieldEnabled(newValue, fieldParent);
                if (newValue == false) {
                    //user want to use the default value
                    asEndpointField.loadDefault();
                }
                super.valueChanged(oldValue, newValue);
            }

        };
        addField(overwriteASField);
        boolean overwrite = Activator.getDefault().getPreferenceStore()
                .getBoolean(AssertionServicePreferenceConstants.OVERWRITE_AS_ENDPOINT);

        asEndpointField = new StringFieldEditor(AssertionServicePreferenceConstants.URL_AS_ENDPOINT, "&Endpoint:",
                fieldParent);
        addField(asEndpointField);

        setFieldEnabled(overwrite, fieldParent);
    }

    private void setFieldEnabled(boolean enabled, Composite fieldParent) {
        asEndpointField.setEnabled(enabled, fieldParent);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void init(IWorkbench workbench) {
    }

}