/*******************************************************************************
* Copyright (c) 2003, 2011 IBM Corporation and others.
* 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
*
* Contributors:
* IBM Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.wst.server.ui.internal.audio;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.core.runtime.*;
import org.eclipse.swt.events.*;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.*;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.help.IWorkbenchHelpSystem;
import org.eclipse.wst.server.ui.internal.ContextIds;
import org.eclipse.wst.server.ui.internal.Messages;
import org.eclipse.wst.server.ui.internal.SWTUtil;
import org.eclipse.wst.server.ui.internal.Trace;
/**
* Audio preference page.
*/
public class AudioPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
protected Button enableButton;
protected Spinner volume;
protected Map<String, IPath> userSoundMap;
protected CategoryTableViewer viewer;
boolean soundAvailable = true;
/**
* AudioPreferencePage constructor comment.
*/
public AudioPreferencePage() {
super();
loadUserMapInfo();
}
protected IPath chooseAudioFile() {
FileDialog dialog = new FileDialog(getShell(), SWT.SINGLE);
dialog.setText(Messages.audioPrefSelectFile);
dialog.setFilterExtensions(new String[] {"*.au;*.wav"});
dialog.setFilterPath(null);
dialog.open();
String[] filenames = dialog.getFileNames();
if (filenames != null && filenames.length > 0) {
String filterPath = dialog.getFilterPath();
return new Path(filterPath + java.io.File.separator + filenames[0]);
}
return null;
}
/**
* Creates and returns the SWT control for the customized body
* of this preference page under the given parent composite.
* <p>
* This framework method must be implemented by concrete
* subclasses.
* </p>
*
* @param parent the parent composite
* @return the new control
*/
protected Control createContents(Composite parent) {
initializeDialogUnits(parent);
IWorkbenchHelpSystem whs = PlatformUI.getWorkbench().getHelpSystem();
whs.setHelp(parent, ContextIds.AUDIO_PREFERENCES);
final AudioCore core = AudioCore.getInstance();
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 3;
layout.horizontalSpacing = convertHorizontalDLUsToPixels(4);
layout.verticalSpacing = convertVerticalDLUsToPixels(3);
layout.marginWidth = 0;
layout.marginHeight = 0;
composite.setLayout(layout);
GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
composite.setLayoutData(data);
enableButton = new Button(composite, SWT.CHECK);
enableButton.setText(Messages.audioPrefEnable);
enableButton.setSelection(AudioCore.getInstance().isSoundEnabled());
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
data.horizontalSpan = 3;
enableButton.setLayoutData(data);
whs.setHelp(enableButton, ContextIds.AUDIO_PREFERENCES_ENABLE);
final Label volumeLabel = new Label(composite, SWT.NONE);
volumeLabel.setText(Messages.audioPrefVolume);
data = new GridData();
data.horizontalIndent = 20;
volumeLabel.setLayoutData(data);
volumeLabel.setEnabled(enableButton.getSelection());
volume = new Spinner(composite, SWT.BORDER);
volume.setMinimum(0);
volume.setMaximum(20);
volume.setSelection(AudioCore.getInstance().getVolume());
data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
data.horizontalSpan = 2;
data.widthHint = 60;
volume.setLayoutData(data);
volume.setEnabled(enableButton.getSelection());
whs.setHelp(volume, ContextIds.AUDIO_PREFERENCES_VOLUME);
enableButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
volumeLabel.setEnabled(enableButton.getSelection());
volume.setEnabled(enableButton.getSelection());
}
});
Label label = new Label(composite, SWT.NONE);
data = new GridData();
data.horizontalSpan = 3;
label.setLayoutData(data);
label = new Label(composite, SWT.NONE);
label.setText(Messages.audioPrefSounds);
data = new GridData();
data.horizontalSpan = 3;
label.setLayoutData(data);
final Table table = new Table(composite, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE | SWT.FULL_SELECTION | SWT.CHECK);
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 2;
table.setLayoutData(data);
whs.setHelp(table, ContextIds.AUDIO_PREFERENCES_SOUNDS_TABLE);
viewer = new CategoryTableViewer(table);
TableLayout tableLayout = new TableLayout();
table.setLayout(tableLayout);
table.setHeaderVisible(true);
tableLayout.addColumnData(new ColumnPixelData(23, false));
TableColumn col = new TableColumn(table, SWT.CENTER, 0);
col.setResizable(false);
tableLayout.addColumnData(new ColumnWeightData(11, 110, true));
col = new TableColumn(table, SWT.NONE, 1);
col.setText(Messages.audioPrefSound);
col.setResizable(true);
tableLayout.addColumnData(new ColumnWeightData(15, 150, true));
col = new TableColumn(table, SWT.NONE, 2);
col.setText(Messages.audioPrefFile);
col.setResizable(true);
viewer.setContentProvider(new AudioTableContentProvider());
viewer.setLabelProvider(new AudioTableLabelProvider(this));
viewer.setInput("root");
setCheckState(viewer);
viewer.addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
boolean checked = event.getChecked();
Object obj = event.getElement();
if (obj instanceof String) {
String id = (String) obj;
core.setCategoryEnabled(id, checked);
//viewer.refresh();
Iterator iterator = AudioTableContentProvider.getSoundsByCategory(id).iterator();
while (iterator.hasNext()) {
Sound s = (Sound) iterator.next();
viewer.setChecked(s, checked);
core.setSoundEnabled(s.getId(), checked);
}
} else {
Sound sound = (Sound) obj;
core.setSoundEnabled(sound.getId(), checked);
}
}
});
Composite right = new Composite(composite, SWT.NONE);
layout = new GridLayout();
layout.numColumns = 1;
layout.horizontalSpacing = convertHorizontalDLUsToPixels(4);
layout.verticalSpacing = convertVerticalDLUsToPixels(4);
layout.marginWidth = 0;
layout.marginHeight = 0;
right.setLayout(layout);
data = new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.VERTICAL_ALIGN_FILL);
right.setLayoutData(data);
// play button and table selection listener
final Button playButton = SWTUtil.createButton(right, Messages.audioPrefPlay);
playButton.setEnabled(false);
whs.setHelp(playButton, ContextIds.AUDIO_PREFERENCES_PLAY);
final Button browseButton = SWTUtil.createButton(right, Messages.audioPrefBrowse);
browseButton.setEnabled(false);
whs.setHelp(browseButton, ContextIds.AUDIO_PREFERENCES_BROWSE);
final Button resetButton = SWTUtil.createButton(right, Messages.audioPrefReset);
resetButton.setEnabled(false);
whs.setHelp(resetButton, ContextIds.AUDIO_PREFERENCES_RESET);
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
try {
IStructuredSelection sel = (IStructuredSelection) event.getSelection();
Object obj = sel.getFirstElement();
if (obj instanceof Sound) {
Sound sound = (Sound) obj;
URL url = getSoundURL(sound.getId());
if (url != null && soundAvailable)
playButton.setEnabled(true);
else
playButton.setEnabled(false);
browseButton.setEnabled(true);
if (getUserSoundPath(sound.getId()) != null)
resetButton.setEnabled(true);
else
resetButton.setEnabled(false);
} else {
playButton.setEnabled(false);
browseButton.setEnabled(false);
resetButton.setEnabled(false);
}
} catch (Exception ex) {
if (Trace.SEVERE) {
Trace.trace(Trace.STRING_SEVERE, "Error in table selection", ex);
}
}
}
});
soundAvailable = AudioCore.isAudioSupported();
if (soundAvailable) {
playButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
try {
int sel = table.getSelectionIndex();
Sound sound = (Sound) table.getItem(sel).getData();
AudioCore.playSound(getSoundURL(sound.getId()), volume.getSelection());
} catch (Exception ex) {
if (Trace.SEVERE) {
Trace.trace(Trace.STRING_SEVERE, "Error in table selection", ex);
}
}
}
});
} else
playButton.setEnabled(false);
browseButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
try {
IPath path = chooseAudioFile();
if (path != null) {
int sel = table.getSelectionIndex();
Sound sound = (Sound) table.getItem(sel).getData();
setUserSoundPath(sound.getId(), path);
viewer.refresh(sound);
playButton.setEnabled(true);
}
} catch (Exception ex) {
if (Trace.SEVERE) {
Trace.trace(Trace.STRING_SEVERE, "Error browsing", ex);
}
}
}
});
resetButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
try {
int sel = table.getSelectionIndex();
Sound sound = (Sound) table.getItem(sel).getData();
removeUserSoundPath(sound.getId());
viewer.refresh(sound);
//playButton.setEnabled(true);
} catch (Exception ex) {
if (Trace.SEVERE) {
Trace.trace(Trace.STRING_SEVERE, "Error reseting sound", ex);
}
}
}
});
Dialog.applyDialogFont(composite);
return composite;
}
protected void setCheckState(CheckboxTableViewer viewer) {
AudioCore core = AudioCore.getInstance();
Map<String, String> categories = core.getCategories();
// first, find all the categories and sort
List<String> cats = new ArrayList<String>();
Iterator iterator = categories.keySet().iterator();
while (iterator.hasNext())
cats.add((String)iterator.next());
// list them, ignoring empty ones
iterator = categories.keySet().iterator();
while (iterator.hasNext()) {
String id = (String) iterator.next();
List l = AudioTableContentProvider.getSoundsByCategory(id);
if (!l.isEmpty()) {
if (core.isCategoryEnabled(id))
viewer.setChecked(id, true);
int size = l.size();
for (int i = 0; i < size; i++) {
Sound s = (Sound) l.get(i);
if (core.isSoundEnabled(s.getId()))
viewer.setChecked(s, true);
}
}
}
// finally, list the "misc" sounds
List l = AudioTableContentProvider.getSoundsByCategory(null);
if (!l.isEmpty()) {
int size = l.size();
for (int i = 0; i < size; i++) {
Sound s = (Sound) l.get(i);
if (core.isSoundEnabled(s.getId()))
viewer.setChecked(s, true);
}
}
}
/**
*
* @return org.eclipse.core.runtime.IPath
* @param id java.lang.String
*/
protected URL getSoundURL(String id) {
try {
IPath path = userSoundMap.get(id);
if (path != null)
return path.toFile().toURL();
} catch (Exception e) {
// ignore
}
return AudioCore.getInstance().getSound(id).getLocation();
}
/**
*
* @return org.eclipse.core.runtime.IPath
* @param id java.lang.String
*/
protected IPath getUserSoundPath(String id) {
try {
IPath path = userSoundMap.get(id);
if (path != null)
return path;
} catch (Exception e) {
// ignore
}
return null;
}
/**
* Initializes this preference page for the given workbench.
* <p>
* This method is called automatically as the preference page is being created
* and initialized. Clients must not call this method.
* </p>
*
* @param workbench the workbench
*/
public void init(IWorkbench workbench) {
// do nothing
}
/**
*
*/
protected void loadUserMapInfo() {
// create a copy of the user sound map
Map<String, IPath> map = AudioCore.getInstance().getUserSoundMap();
userSoundMap = new HashMap<String, IPath>(map.size());
Iterator iterator = map.keySet().iterator();
while (iterator.hasNext()) {
String id = (String) iterator.next();
IPath path = map.get(id);
userSoundMap.put(id, path);
}
}
/**
* @see PreferencePage#performDefaults()
*/
protected void performDefaults() {
AudioCore core = AudioCore.getInstance();
enableButton.setSelection(core.getDefaultSoundsEnabled());
volume.setSelection(core.getDefaultVolume());
userSoundMap = new HashMap<String, IPath>();
viewer.refresh();
super.performDefaults();
}
/**
* @see PreferencePage#performOk()
*/
public boolean performOk() {
AudioCore core = AudioCore.getInstance();
core.setSoundsEnabled(enableButton.getSelection());
core.setVolume(volume.getSelection());
core.setUserSoundMap(userSoundMap);
viewer.refresh();
return super.performOk();
}
/**
*
*/
protected void removeUserSoundPath(String id) {
if (userSoundMap.containsKey(id))
userSoundMap.remove(id);
}
/**
*
*/
protected void saveUserMapInfo() {
// create a copy of the user sound map
Map map = AudioCore.getInstance().getUserSoundMap();
userSoundMap = new HashMap<String, IPath>(map.size());
Iterator iterator = map.keySet().iterator();
while (iterator.hasNext()) {
String id = (String) iterator.next();
IPath path = (IPath) map.get(id);
userSoundMap.put(id, path);
}
}
/**
*
* @param path org.eclipse.core.runtime.IPath
*/
protected void setUserSoundPath(String id, IPath path) {
userSoundMap.put(id, path);
}
}