/*******************************************************************************
* Copyright 2008 Christian Mader
*
* This file is part of Perestrojka.
* Perestrojka is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Perestrojka is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Perestrojka. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
package flacenc.preferences;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
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.swt.widgets.Label;
import org.eclipse.swt.widgets.Scale;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import flac.Activator;
public class OptionsPreferencePage extends PreferencePage implements
IWorkbenchPreferencePage
{
private Scale compressionScale;
private Label currentCompressionLabel;
@Override
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
composite.setLayout(new GridLayout(1, false));
Group compression = new Group(composite, SWT.NONE);
compression.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
compression.setLayout(new FillLayout(SWT.HORIZONTAL));
compression.setText("Compression level");
Composite sliderComposite = new Composite(compression, SWT.NONE);
sliderComposite.setLayout(new GridLayout(3, false));
new Label(sliderComposite, SWT.NONE).setText("Fast");
compressionScale = new Scale(sliderComposite, SWT.NONE);
compressionScale.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
new Label(sliderComposite, SWT.NONE).setText("Best");
Composite labelComposite = new Composite(compression, SWT.NONE);
labelComposite.setLayout(new GridLayout(1, true));
currentCompressionLabel = new Label(labelComposite, SWT.NONE);
currentCompressionLabel.setLayoutData(new GridData(SWT.END, SWT.CENTER, true, false));
compressionScale.setMaximum(8);
compressionScale.setMinimum(0);
compressionScale.setIncrement(1);
compressionScale.setPageIncrement(1);
int selection = Activator.getDefault().getPreferenceStore().getInt(PreferenceConstants.P_COMPRESSION);
compressionScale.setSelection(selection);
updateQualityLabel(selection);
compressionScale.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
updateQualityLabel(compressionScale.getSelection());
}
});
return composite;
}
private void updateQualityLabel(int newValue)
{
currentCompressionLabel.setText("Value: " +newValue);
currentCompressionLabel.getParent().layout();
}
@Override
public boolean performOk() {
Activator.getDefault().getPreferenceStore().setValue(PreferenceConstants.P_COMPRESSION, compressionScale.getSelection());
return true;
}
@Override
protected void performDefaults() {
int defaultQuality = Activator.getDefault().getPreferenceStore().getDefaultInt(PreferenceConstants.P_COMPRESSION);
compressionScale.setSelection(defaultQuality);
updateQualityLabel(defaultQuality);
}
public void init(IWorkbench workbench) {
setPreferenceStore(Activator.getDefault().getPreferenceStore());
}
}