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/*******************************************************************************
* Copyright (c) 2008, 2010 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.debug.examples.ui.midi.launcher;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.debug.examples.core.midi.launcher.MidiLaunchDelegate;
import org.eclipse.debug.examples.ui.pda.DebugUIPlugin;
import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ResourceListSelectionDialog;
/**
* Tab to specify the MIDI file to play.
*
* @since 1.0
*/
public class MidiMainTab extends AbstractLaunchConfigurationTab {
private Text fFileText;
private Button fFileButton;
private Button fExceptions;
private Button fHandled;
private Button fUnhandled;
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
Font font = parent.getFont();
Composite comp = new Composite(parent, SWT.NONE);
setControl(comp);
GridLayout topLayout = new GridLayout();
topLayout.verticalSpacing = 0;
topLayout.numColumns = 3;
comp.setLayout(topLayout);
comp.setFont(font);
createVerticalSpacer(comp, 3);
Label programLabel = new Label(comp, SWT.NONE);
programLabel.setText("&Midi File:");
GridData gd = new GridData(GridData.BEGINNING);
programLabel.setLayoutData(gd);
programLabel.setFont(font);
fFileText = new Text(comp, SWT.SINGLE | SWT.BORDER);
gd = new GridData(GridData.FILL_HORIZONTAL);
fFileText.setLayoutData(gd);
fFileText.setFont(font);
fFileText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
updateLaunchConfigurationDialog();
}
});
fFileButton = createPushButton(comp, "&Browse...", null); //$NON-NLS-1$
fFileButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
browseMidiFiles();
}
});
new Label(comp, SWT.NONE);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 3;
Group test = new Group(comp, SWT.NONE);
test.setText("Exceptions");
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 3;
test.setLayoutData(gd);
test.setLayout(new GridLayout());
fExceptions = new Button(test, SWT.CHECK);
fExceptions.setText("&Throw an exception during launch for testing purposes");
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 3;
fExceptions.setLayoutData(gd);
fExceptions.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
fHandled.setEnabled(fExceptions.getSelection());
fUnhandled.setEnabled(fExceptions.getSelection());
updateLaunchConfigurationDialog();
}
});
fHandled = new Button(test, SWT.RADIO);
fHandled.setText("Throw a handled e&xception during launch to re-open launch dialog");
SelectionAdapter sa = new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
updateLaunchConfigurationDialog();
}
};
fHandled.addSelectionListener(sa);
fUnhandled = new Button(test, SWT.RADIO);
fUnhandled.setText("Throw an &unhandled exception during launch to open error dialog");
fUnhandled.addSelectionListener(sa);
}
/**
* Open a resource chooser to select a MIDI file
*/
protected void browseMidiFiles() {
ResourceListSelectionDialog dialog = new ResourceListSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), IResource.FILE);
dialog.setTitle("MIDI File");
dialog.setMessage("Select MIDI File");
if (dialog.open() == Window.OK) {
Object[] files = dialog.getResult();
IFile file = (IFile) files[0];
fFileText.setText(file.getFullPath().toString());
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
*/
public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
*/
public void initializeFrom(ILaunchConfiguration configuration) {
try {
String file = null;
file = configuration.getAttribute(MidiLaunchDelegate.ATTR_MIDI_FILE, (String)null);
if (file != null) {
fFileText.setText(file);
}
String excep = configuration.getAttribute(MidiLaunchDelegate.ATTR_THROW_EXCEPTION, (String)null);
fExceptions.setSelection(excep != null);
fHandled.setEnabled(excep != null);
fUnhandled.setEnabled(excep != null);
if (excep != null) {
fHandled.setSelection(excep.equals(MidiLaunchDelegate.HANDLED));
fUnhandled.setSelection(excep.equals(MidiLaunchDelegate.UNHANDLED));
} else {
fHandled.setSelection(true);
}
} catch (CoreException e) {
setErrorMessage(e.getMessage());
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
*/
public void performApply(ILaunchConfigurationWorkingCopy configuration) {
String file = fFileText.getText().trim();
if (file.length() == 0) {
file = null;
}
IResource[] resources = null;
if (file!= null) {
IPath path = new Path(file);
IResource res = ResourcesPlugin.getWorkspace().getRoot().findMember(path);
if (res != null) {
resources = new IResource[]{res};
}
}
configuration.setAttribute(MidiLaunchDelegate.ATTR_MIDI_FILE, file);
configuration.setMappedResources(resources);
// exception handling
if (fExceptions.getSelection()) {
if (fHandled.getSelection()) {
configuration.setAttribute(MidiLaunchDelegate.ATTR_THROW_EXCEPTION, MidiLaunchDelegate.HANDLED);
} else {
configuration.setAttribute(MidiLaunchDelegate.ATTR_THROW_EXCEPTION, MidiLaunchDelegate.UNHANDLED);
}
} else {
configuration.removeAttribute(MidiLaunchDelegate.ATTR_THROW_EXCEPTION);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
*/
public String getName() {
return "Main";
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
*/
public boolean isValid(ILaunchConfiguration launchConfig) {
setErrorMessage(null);
setMessage(null);
String text = fFileText.getText();
if (text.length() > 0) {
IPath path = new Path(text);
if (ResourcesPlugin.getWorkspace().getRoot().findMember(path) == null) {
setErrorMessage("File does not exist");
return false;
}
} else {
setMessage("Select a MIDI file");
}
return true;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
*/
public Image getImage() {
return DebugUIPlugin.getDefault().getImageRegistry().get(DebugUIPlugin.IMG_OBJ_MIDI);
}
}
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