de.tud.cs.st.Lyrebird.recorder.preferences.PreferencePage.java Source code

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Here is the source code for de.tud.cs.st.Lyrebird.recorder.preferences.PreferencePage.java

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/* License (BSD Style License):
 * Copyright (c) 2011
 * Department of Computer Science
 * Technische Universitt Darmstadt
 * All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the Software Technology Group or Technische 
 *    Universitt Darmstadt nor the names of its contributors may be used to 
 *    endorse or promote products derived from this software without specific 
 *    prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */
package de.tud.cs.st.Lyrebird.recorder.preferences;

import org.eclipse.jface.preference.*;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.IWorkbench;

import de.tud.cs.st.Lyrebird.recorder.Activator;

/**
 * Preference page for the lyrebird recorder
 * 
 * @author Malte V
 */
public class PreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    private StringFieldEditor prefFoldername;
    private DirectoryFieldEditor prefPath;

    public PreferencePage() {
        super(GRID);
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription("Preference page for " + Activator.PLUGIN_ID);
    }

    public void createFieldEditors() {

        addField(new BooleanFieldEditor(PreferenceConstants.P_SAVE_PER_PROJECT,
                "Save Lyrebird records into Eclipse projectfolder", getFieldEditorParent()));

        prefFoldername = new StringFieldEditor(PreferenceConstants.P_PROJECT_RELATIV_PATH,
                "Output foldername\n(Lyrebird needs its own output folder):", getFieldEditorParent());

        addField(prefFoldername);
        prefPath = new DirectoryFieldEditor(PreferenceConstants.P_ABSOLUTE_PATH, "Global outputpath: ",
                getFieldEditorParent());
        addField(prefPath);
        setEnable();
    }

    private void setEnable() {
        boolean saveperproject = Activator.getDefault().getPreferenceStore()
                .getBoolean(PreferenceConstants.P_SAVE_PER_PROJECT);
        prefPath.setEnabled(!saveperproject, getFieldEditorParent());
        prefFoldername.setEnabled(saveperproject, getFieldEditorParent());
    }

    @Override
    public void propertyChange(PropertyChangeEvent event) {
        // toggle the enable property of StringFieldEditor and DirectoryFieldEditor if the value of
        // BooleanFieldEditor changes
        if (event.getSource() instanceof org.eclipse.jface.preference.BooleanFieldEditor) {
            if (((BooleanFieldEditor) event.getSource()).getPreferenceName()
                    .equals(PreferenceConstants.P_SAVE_PER_PROJECT)) {
                if (event.getNewValue().equals(Boolean.TRUE)) {
                    prefPath.setEnabled(false, getFieldEditorParent());
                    prefFoldername.setEnabled(true, getFieldEditorParent());
                } else {
                    prefPath.setEnabled(true, getFieldEditorParent());
                    prefFoldername.setEnabled(false, getFieldEditorParent());
                }
            }
        }
        super.propertyChange(event);
    }

    public void init(IWorkbench workbench) {
        // Nothing to do
    }

}