org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/SelectLaunchersDialog.java - platform/eclipse.platform.debug - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2018 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.debug.internal.ui.launchConfigurations;

 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.core.ILaunchDelegate;
 import org.eclipse.debug.internal.core.IInternalDebugCoreConstants;
 import org.eclipse.debug.internal.ui.AbstractDebugListSelectionDialog;
 import org.eclipse.debug.internal.ui.DebugUIPlugin;
 import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
 import org.eclipse.debug.internal.ui.SWTFactory;
 import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.viewers.IBaseLabelProvider;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ILabelProviderListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.StructuredViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Link;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 /**
  * This dialog is used to select a preferred launcher, and also provides access to the
  * workspace defaults for preferred launchers
  *
  *  @since 3.3
  */
 public class SelectLaunchersDialog extends AbstractDebugListSelectionDialog {

 	/**
 	 * Builds labels for table control
 	 */
 	class DelegatesLabelProvider implements ILabelProvider {
 		@Override
 		public Image getImage(Object element) {return null;}
 		@Override
 		public String getText(Object element) {
 			if(element instanceof ILaunchDelegate) {
 				return getDelegateName((ILaunchDelegate) element);
 			}
 			return element.toString();
 		}
 		@Override
 		public void addListener(ILabelProviderListener listener) {}
 		@Override
 		public void dispose() {}
 		@Override
 		public boolean isLabelProperty(Object element, String property) {return false;}
 		@Override
 		public void removeListener(ILabelProviderListener listener) {}
 	}

 	Text description = null;
 	Button configspecific = null;
 	private ILaunchDelegate[] fDelegates = null;
 	private ILaunchConfigurationWorkingCopy fConfiguration = null;
 	private String fLaunchMode = null;

 	/**
 	 * Constructor
 	 * @param parentShell
 	 */
 	public SelectLaunchersDialog(Shell parentShell, ILaunchDelegate[] delegates, ILaunchConfigurationWorkingCopy configuration, String launchmode) {
 		super(parentShell);
 		super.setTitle(LaunchConfigurationsMessages.SelectLaunchersDialog_0);
 		setShellStyle(getShellStyle() | SWT.RESIZE);
 		fDelegates = delegates.clone();
 		Arrays.sort(fDelegates, (delegate1, delegate2) -> String.CASE_INSENSITIVE_ORDER.compare(getDelegateName(delegate1), getDelegateName(delegate2)));
 		fConfiguration = configuration;
 		fLaunchMode = launchmode;
 	}

 	@Override
 	protected Point getInitialSize() {
 		IDialogSettings settings = getDialogBoundsSettings();
 		if(settings != null) {
 			try {
 				int width = settings.getInt("DIALOG_WIDTH"); //$NON-NLS-1$
 				int height = settings.getInt("DIALOG_HEIGHT"); //$NON-NLS-1$
 				if(width > 0 && height > 0) {
 					return new Point(width, height);
 				}
 			}
 			catch (NumberFormatException nfe) {
 				return new Point(450, 450);
 			}
 		}
 		return new Point(450, 450);
 	}

 	@Override
 	protected String getDialogSettingsId() {
 		return IDebugUIConstants.PLUGIN_ID + ".SELECT_LAUNCHERS_DIALOG"; //$NON-NLS-1$
 	}

 	@Override
 	protected String getHelpContextId() {
 		return IDebugHelpContextIds.SELECT_LAUNCHERS_DIALOG;
 	}

 	@Override
 	protected IBaseLabelProvider getLabelProvider() {
 		return new DelegatesLabelProvider();
 	}

 	@Override
 	protected Object getViewerInput() {
 		return fDelegates;
 	}

 	@Override
 	protected void addCustomHeaderControls(Composite parent) {
 		Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 2, 1, GridData.FILL_HORIZONTAL, 0, 0);
 		SWTFactory.createWrapLabel(comp, LaunchConfigurationsMessages.SelectLaunchersDialog_2, 2);

 		SWTFactory.createVerticalSpacer(comp, 1);

 		this.configspecific = SWTFactory.createCheckButton(comp, LaunchConfigurationsMessages.SelectLaunchersDialog_1, null, true, 1);
 		this.configspecific.setSelection(false);
 		GridData gd = (GridData) this.configspecific.getLayoutData();
 		gd.grabExcessHorizontalSpace = true;
 		this.configspecific.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				boolean checked = ((Button)e.widget).getSelection();
 				getViewer().getControl().setEnabled(checked);
 				resetDelegate();
 			}
 		});

 		Link link = new Link(comp, SWT.WRAP);
 		link.setText(LaunchConfigurationsMessages.SelectLaunchersDialog_4);
 		link.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false));
 		link.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				SWTFactory.showPreferencePage("org.eclipse.debug.ui.LaunchDelegatesPreferencePage"); //$NON-NLS-1$
 				if(!SelectLaunchersDialog.this.configspecific.getSelection()) {
 					resetDelegate();
 				}
 			}
 		});
 	}

 	/**
 	 * Returns the currently checked launch delegate
 	 * @return the currently selected launch delegate or <code>null</code> if none are checked
 	 */
 	protected ILaunchDelegate getSelectedDelegate() {
 		IStructuredSelection selection = (IStructuredSelection) getViewer().getSelection();
 		return (ILaunchDelegate) selection.getFirstElement();
 	}

 	@Override
 	protected void okPressed() {
 		ILaunchDelegate delegate = null;
 		Set<String> modes = getCurrentModeSet();
 		if(configspecific.getSelection()) {
 			delegate = getSelectedDelegate();
 			if(delegate != null) {
 				fConfiguration.setPreferredLaunchDelegate(modes, delegate.getId());
 			}
 		}
 		else {
 			fConfiguration.setPreferredLaunchDelegate(modes, null);
 		}
 		if(fConfiguration.isDirty()) {
 			try {
 				fConfiguration.doSave();
 			}
 			catch (CoreException e) {DebugUIPlugin.log(e);}
 		}
 		super.okPressed();
 	}

 	/**
 	 * Resets the selected and checked delegate in the preferred launcher view part to be the one from the workspace
 	 */
 	private void resetDelegate() {
 		try {
 			ILaunchDelegate preferred = fConfiguration.getType().getPreferredDelegate(getCurrentModeSet());
 			Viewer viewer = getViewer();
 			if(preferred != null) {
 				viewer.setSelection(new StructuredSelection(preferred));
 			}
 			else {
 				viewer.setSelection(new StructuredSelection());
 			}
 			getButton(IDialogConstants.OK_ID).setEnabled(isValid());
 		}
 		catch (CoreException ce) {DebugUIPlugin.log(ce);}
 	}

 	@Override
 	protected void addCustomFooterControls(Composite parent) {
 		Group group = SWTFactory.createGroup(parent, LaunchConfigurationsMessages.SelectLaunchersDialog_5, 1, 1, GridData.FILL_BOTH);
 		this.description = SWTFactory.createText(group, SWT.WRAP | SWT.READ_ONLY, 1, GridData.FILL_BOTH);
 		this.description.setBackground(group.getBackground());
 	}

 	/**
 	 * @return the complete set of modes that the associated launch configuration is concerned with
 	 */
 	protected Set<String> getCurrentModeSet() {
 		Set<String> modes = new HashSet<>();
 		try {
 			modes = fConfiguration.getModes();
 			modes.add(fLaunchMode);
 		}
 		catch (CoreException ce) {DebugUIPlugin.log(ce);}
 		return modes;
 	}

 	@Override
 	protected void addViewerListeners(StructuredViewer viewer) {
 		// Override super to use custom listeners
 		viewer.addSelectionChangedListener(event -> {
 			IStructuredSelection ss = event.getStructuredSelection();
 			if(ss != null && !ss.isEmpty()) {
 				SelectLaunchersDialog.this.description.setText(((ILaunchDelegate)ss.getFirstElement()).getDescription());
 			}
 			else {
 				SelectLaunchersDialog.this.description.setText(IInternalDebugCoreConstants.EMPTY_STRING);
 			}
 		});
 		super.addViewerListeners(viewer);
 	}

 	@Override
 	protected void initializeControls() {
 		final Viewer viewer = getViewer();
 		try {
 			ILaunchDelegate delegate = fConfiguration.getPreferredDelegate(getCurrentModeSet());
 			if(delegate != null) {
 				viewer.setSelection(new StructuredSelection(delegate));
 				configspecific.setSelection(true);
 			}
 			else {
 				viewer.getControl().setEnabled(false);
 				resetDelegate();
 			}
 		}
 		catch (CoreException ce) {DebugUIPlugin.log(ce);}
 	}

 	@Override
 	protected String getViewerLabel() {
 		return LaunchConfigurationsMessages.SelectLaunchersDialog_launchers;
 	}

 	private String getDelegateName(ILaunchDelegate ldp) {
 		String name = ldp.getName();
 		if(name == null) {
 			name = ldp.getContributorName();
 		}
 		return name;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 2018 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.debug.internal.ui.launchConfigurations;

	import java.util.Arrays;
	import java.util.HashSet;
	import java.util.Set;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.core.ILaunchDelegate;
	import org.eclipse.debug.internal.core.IInternalDebugCoreConstants;
	import org.eclipse.debug.internal.ui.AbstractDebugListSelectionDialog;
	import org.eclipse.debug.internal.ui.DebugUIPlugin;
	import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
	import org.eclipse.debug.internal.ui.SWTFactory;
	import org.eclipse.debug.ui.IDebugUIConstants;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.viewers.IBaseLabelProvider;
	import org.eclipse.jface.viewers.ILabelProvider;
	import org.eclipse.jface.viewers.ILabelProviderListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.StructuredViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Link;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	/**
	* This dialog is used to select a preferred launcher, and also provides access to the
	* workspace defaults for preferred launchers
	*
	* @since 3.3
	*/
	public class SelectLaunchersDialog extends AbstractDebugListSelectionDialog {

	/**
	* Builds labels for table control
	*/
	class DelegatesLabelProvider implements ILabelProvider {
	@Override
	public Image getImage(Object element) {return null;}
	@Override
	public String getText(Object element) {
	if(element instanceof ILaunchDelegate) {
	return getDelegateName((ILaunchDelegate) element);
	}
	return element.toString();
	}
	@Override
	public void addListener(ILabelProviderListener listener) {}
	@Override
	public void dispose() {}
	@Override
	public boolean isLabelProperty(Object element, String property) {return false;}
	@Override
	public void removeListener(ILabelProviderListener listener) {}
	}

	Text description = null;
	Button configspecific = null;
	private ILaunchDelegate[] fDelegates = null;
	private ILaunchConfigurationWorkingCopy fConfiguration = null;
	private String fLaunchMode = null;

	/**
	* Constructor
	* @param parentShell
	*/
	public SelectLaunchersDialog(Shell parentShell, ILaunchDelegate[] delegates, ILaunchConfigurationWorkingCopy configuration, String launchmode) {
	super(parentShell);
	super.setTitle(LaunchConfigurationsMessages.SelectLaunchersDialog_0);
	setShellStyle(getShellStyle() \| SWT.RESIZE);
	fDelegates = delegates.clone();
	Arrays.sort(fDelegates, (delegate1, delegate2) -> String.CASE_INSENSITIVE_ORDER.compare(getDelegateName(delegate1), getDelegateName(delegate2)));
	fConfiguration = configuration;
	fLaunchMode = launchmode;
	}

	@Override
	protected Point getInitialSize() {
	IDialogSettings settings = getDialogBoundsSettings();
	if(settings != null) {
	try {
	int width = settings.getInt("DIALOG_WIDTH"); //$NON-NLS-1$
	int height = settings.getInt("DIALOG_HEIGHT"); //$NON-NLS-1$
	if(width > 0 && height > 0) {
	return new Point(width, height);
	}
	}
	catch (NumberFormatException nfe) {
	return new Point(450, 450);
	}
	}
	return new Point(450, 450);
	}

	@Override
	protected String getDialogSettingsId() {
	return IDebugUIConstants.PLUGIN_ID + ".SELECT_LAUNCHERS_DIALOG"; //$NON-NLS-1$
	}

	@Override
	protected String getHelpContextId() {
	return IDebugHelpContextIds.SELECT_LAUNCHERS_DIALOG;
	}

	@Override
	protected IBaseLabelProvider getLabelProvider() {
	return new DelegatesLabelProvider();
	}

	@Override
	protected Object getViewerInput() {
	return fDelegates;
	}

	@Override
	protected void addCustomHeaderControls(Composite parent) {
	Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 2, 1, GridData.FILL_HORIZONTAL, 0, 0);
	SWTFactory.createWrapLabel(comp, LaunchConfigurationsMessages.SelectLaunchersDialog_2, 2);

	SWTFactory.createVerticalSpacer(comp, 1);

	this.configspecific = SWTFactory.createCheckButton(comp, LaunchConfigurationsMessages.SelectLaunchersDialog_1, null, true, 1);
	this.configspecific.setSelection(false);
	GridData gd = (GridData) this.configspecific.getLayoutData();
	gd.grabExcessHorizontalSpace = true;
	this.configspecific.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	boolean checked = ((Button)e.widget).getSelection();
	getViewer().getControl().setEnabled(checked);
	resetDelegate();
	}
	});

	Link link = new Link(comp, SWT.WRAP);
	link.setText(LaunchConfigurationsMessages.SelectLaunchersDialog_4);
	link.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false));
	link.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	SWTFactory.showPreferencePage("org.eclipse.debug.ui.LaunchDelegatesPreferencePage"); //$NON-NLS-1$
	if(!SelectLaunchersDialog.this.configspecific.getSelection()) {
	resetDelegate();
	}
	}
	});
	}

	/**
	* Returns the currently checked launch delegate
	* @return the currently selected launch delegate or <code>null</code> if none are checked
	*/
	protected ILaunchDelegate getSelectedDelegate() {
	IStructuredSelection selection = (IStructuredSelection) getViewer().getSelection();
	return (ILaunchDelegate) selection.getFirstElement();
	}

	@Override
	protected void okPressed() {
	ILaunchDelegate delegate = null;
	Set<String> modes = getCurrentModeSet();
	if(configspecific.getSelection()) {
	delegate = getSelectedDelegate();
	if(delegate != null) {
	fConfiguration.setPreferredLaunchDelegate(modes, delegate.getId());
	}
	}
	else {
	fConfiguration.setPreferredLaunchDelegate(modes, null);
	}
	if(fConfiguration.isDirty()) {
	try {
	fConfiguration.doSave();
	}
	catch (CoreException e) {DebugUIPlugin.log(e);}
	}
	super.okPressed();
	}

	/**
	* Resets the selected and checked delegate in the preferred launcher view part to be the one from the workspace
	*/
	private void resetDelegate() {
	try {
	ILaunchDelegate preferred = fConfiguration.getType().getPreferredDelegate(getCurrentModeSet());
	Viewer viewer = getViewer();
	if(preferred != null) {
	viewer.setSelection(new StructuredSelection(preferred));
	}
	else {
	viewer.setSelection(new StructuredSelection());
	}
	getButton(IDialogConstants.OK_ID).setEnabled(isValid());
	}
	catch (CoreException ce) {DebugUIPlugin.log(ce);}
	}

	@Override
	protected void addCustomFooterControls(Composite parent) {
	Group group = SWTFactory.createGroup(parent, LaunchConfigurationsMessages.SelectLaunchersDialog_5, 1, 1, GridData.FILL_BOTH);
	this.description = SWTFactory.createText(group, SWT.WRAP \| SWT.READ_ONLY, 1, GridData.FILL_BOTH);
	this.description.setBackground(group.getBackground());
	}

	/**
	* @return the complete set of modes that the associated launch configuration is concerned with
	*/
	protected Set<String> getCurrentModeSet() {
	Set<String> modes = new HashSet<>();
	try {
	modes = fConfiguration.getModes();
	modes.add(fLaunchMode);
	}
	catch (CoreException ce) {DebugUIPlugin.log(ce);}
	return modes;
	}

	@Override
	protected void addViewerListeners(StructuredViewer viewer) {
	// Override super to use custom listeners
	viewer.addSelectionChangedListener(event -> {
	IStructuredSelection ss = event.getStructuredSelection();
	if(ss != null && !ss.isEmpty()) {
	SelectLaunchersDialog.this.description.setText(((ILaunchDelegate)ss.getFirstElement()).getDescription());
	}
	else {
	SelectLaunchersDialog.this.description.setText(IInternalDebugCoreConstants.EMPTY_STRING);
	}
	});
	super.addViewerListeners(viewer);
	}

	@Override
	protected void initializeControls() {
	final Viewer viewer = getViewer();
	try {
	ILaunchDelegate delegate = fConfiguration.getPreferredDelegate(getCurrentModeSet());
	if(delegate != null) {
	viewer.setSelection(new StructuredSelection(delegate));
	configspecific.setSelection(true);
	}
	else {
	viewer.getControl().setEnabled(false);
	resetDelegate();
	}
	}
	catch (CoreException ce) {DebugUIPlugin.log(ce);}
	}

	@Override
	protected String getViewerLabel() {
	return LaunchConfigurationsMessages.SelectLaunchersDialog_launchers;
	}

	private String getDelegateName(ILaunchDelegate ldp) {
	String name = ldp.getName();
	if(name == null) {
	name = ldp.getContributorName();
	}
	return name;
	}
	}