bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/ProjectPerspectiveChoiceDialog.java - platform/eclipse.platform.ui - Git at Google

 package org.eclipse.ui.internal.dialogs;

 /**********************************************************************
 Copyright (c) 2002 IBM Corp. and others.
 All rights reserved.   This program and the accompanying materials
 are made available under the terms of the Common Public License v0.5
 which accompanies this distribution, and is available at
 http://www.eclipse.org/legal/cpl-v05.html

 Contributors:
 Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog font should be
 activated and used by other components.
 *********************************************************************/
 import java.text.Collator;
 import java.util.*;

 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.internal.IHelpContextIds;
 import org.eclipse.ui.internal.WorkbenchMessages;

 public class ProjectPerspectiveChoiceDialog extends Dialog {
 	private static final int MIN_DIALOG_WIDTH = 200;
 	private static final int MIN_DIALOG_HEIGHT = 250;

 	private IWorkbenchWindow window;
 	private ArrayList persps;
 	private IPerspectiveDescriptor chosenPersp;
 	private boolean sameWindow = true;

 	private TableViewer list;

 	private Comparator comparator = new Comparator() {
 		private Collator collator = Collator.getInstance();

 		public int compare(Object ob1, Object ob2) {
 			IPerspectiveDescriptor d1 = (IPerspectiveDescriptor) ob1;
 			IPerspectiveDescriptor d2 = (IPerspectiveDescriptor) ob2;
 			return collator.compare(d1.getLabel(), d2.getLabel());
 		}
 	};

 	/**
 	 * Create a ProjectPerspectiveChoiceDialog
 	 * @param window the workbench window launching this dialog
 	 * @param perspIds the list of ids the user can choose from
 	 */
 	public ProjectPerspectiveChoiceDialog(IWorkbenchWindow window, String[] perspIds) {
 		super(window.getShell());
 		this.window = window;

 		IWorkbenchPage page = window.getActivePage();
 		if (page != null)
 			chosenPersp = page.getPerspective();

 		IPerspectiveRegistry reg = window.getWorkbench().getPerspectiveRegistry();
 		persps = new ArrayList(perspIds.length);
 		for (int i = 0; i < perspIds.length; i++) {
 			IPerspectiveDescriptor desc;
 			desc = reg.findPerspectiveWithId(perspIds[i]);
 			if (desc != null && desc != chosenPersp)
 				persps.add(desc);
 		}
 		Collections.sort(persps, comparator);

 		if (chosenPersp != null)
 			persps.add(0,chosenPersp);
 	}

 	/* (non-Javadoc)
 	 * Method declared in Window.
 	 */
 	protected void configureShell(Shell shell) {
 		super.configureShell(shell);
 		shell.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.title")); //$NON-NLS-1$
 		WorkbenchHelp.setHelp(shell, IHelpContextIds.SHOW_PROJECT_PERSPECTIVE_DIALOG);
 	}

 	/* (non-Javadoc)
 	 * Method declared on Dialog.
 	 */
 	protected void createButtonsForButtonBar(Composite parent) {
 		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
 	}

 	/* (non-Javadoc)
 	 * Method declared on Dialog.
 	 */
 	protected Control createDialogArea(Composite parent) {
 		// page group
 		Composite composite = (Composite) super.createDialogArea(parent);

 		composite.setLayout(new GridLayout());
 		GridData data = new GridData(GridData.FILL_BOTH);
 		data.widthHint = MIN_DIALOG_WIDTH;
 		data.heightHint = MIN_DIALOG_HEIGHT;
 		composite.setLayoutData(data);

 		createPerspectiveGroup(composite);
 		createOptionGroup(composite);

 		if (chosenPersp != null)
 			list.setSelection(new StructuredSelection(chosenPersp));

 		return composite;
 	}

 	/**
 	 * Creates the perspective choice controls.
 	 *
 	 * @param parent the parent composite
 	 */
 	private void createPerspectiveGroup(Composite parent) {
 		Font font = parent.getFont();
 		// Label for choosing perspective
 		Label label = new Label(parent, SWT.NONE);
 		label.setFont(font);
 		label.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.choosePerspective")); //$NON-NLS-1$

 		// Add perspective list.
 		list = new TableViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		list.setLabelProvider(new PerspLabelProvider(false));
 		list.setContentProvider(new PerspectiveContentProvider());
 		list.setInput(persps);
 		list.addSelectionChangedListener(new SelectionListener());
 		list.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
 		list.getTable().setFont(font);
 	}

 	/**
 	 * Creates the option controls.
 	 *
 	 * @param parent the parent composite
 	 */
 	private void createOptionGroup(Composite parent) {
 		Font font = parent.getFont();
 		// Create the option group
 		Group optionGroup = new Group(parent, SWT.LEFT);
 		GridLayout layout = new GridLayout();
 		optionGroup.setLayout(layout);
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL);
 		optionGroup.setLayoutData(data);
 		optionGroup.setFont(font);
 		optionGroup.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.options")); //$NON-NLS-1$

 		// Same window option
 		Button button = new Button(optionGroup, SWT.RADIO | SWT.LEFT);
 		button.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.sameWindow")); //$NON-NLS-1$
 		data = new GridData();
 		button.setLayoutData(data);
 		button.setFont(font);
 		button.setSelection(sameWindow);
 		button.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				sameWindow = true;
 			}
 		});

 		// New window option
 		button = new Button(optionGroup, SWT.RADIO | SWT.LEFT);
 		button.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.newWindow")); //$NON-NLS-1$
 		data = new GridData();
 		button.setLayoutData(data);
 		button.setFont(font);
 		button.setSelection(!sameWindow);
 		button.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				sameWindow = false;
 			}
 		});
 	}

 	/**
 	 * Shows the choosen perspective in the same or
 	 * new window depending on the option checked.
 	 * Returns the workbench window the perspective
 	 * was shown in.
 	 */
 	public IWorkbenchWindow showChosenPerspective() {
 		if (chosenPersp == null)
 			return window;

 		final IWorkbenchWindow[] results = new IWorkbenchWindow[1];
 		final WorkbenchException[] errors = new WorkbenchException[1];
 		BusyIndicator.showWhile(window.getShell().getDisplay(), new Runnable() {
 			public void run() {
 				if (sameWindow) {
 					results[0] = window;
 					IWorkbenchPage page = window.getActivePage();
 					if (page != null)
 						page.setPerspective(chosenPersp);
 				} else {
 					try {
 						results[0] = window.getWorkbench().openWorkbenchWindow(
 							chosenPersp.getId(),
 							ResourcesPlugin.getWorkspace().getRoot());
 					} catch (WorkbenchException e) {
 						errors[0] = e;
 					}
 				}
 			}
 		});

 		IWorkbenchWindow result = results[0];
 		results[0] = null;

 		if (errors[0] != null) {
 			ErrorDialog.openError(
 				window.getShell(),
 				WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.errorTitle"), //$NON-NLS-1$
 				WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.errorMessage"), //$NON-NLS-1$
 				errors[0].getStatus());
 			errors[0] = null;
 			return window;
 		}

 		return result;
 	}

 	class PerspectiveContentProvider implements IStructuredContentProvider {
 		public PerspectiveContentProvider() {
 			super();
 		}

 		public void dispose() {
 		}

 		public Object[] getElements(Object element) {
 			if (element instanceof ArrayList) {
 				return ((ArrayList)element).toArray();
 			}
 			return null;
 		}

 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 		}

 		public boolean isDeleted(Object element) {
 			return false;
 		}
 	}

 	class SelectionListener implements ISelectionChangedListener {
 		public SelectionListener() {
 			super();
 		}

 		public void selectionChanged(SelectionChangedEvent event) {
 			IStructuredSelection selection = (IStructuredSelection) event.getSelection();
 			if (selection != null)
 				chosenPersp = (IPerspectiveDescriptor)selection.getFirstElement();
 		}
 	}
 }
	package org.eclipse.ui.internal.dialogs;

	/**********************************************************************
	Copyright (c) 2002 IBM Corp. and others.
	All rights reserved. This program and the accompanying materials
	are made available under the terms of the Common Public License v0.5
	which accompanies this distribution, and is available at
	http://www.eclipse.org/legal/cpl-v05.html

	Contributors:
	Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog font should be
	activated and used by other components.
	*********************************************************************/
	import java.text.Collator;
	import java.util.*;

	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.internal.IHelpContextIds;
	import org.eclipse.ui.internal.WorkbenchMessages;

	public class ProjectPerspectiveChoiceDialog extends Dialog {
	private static final int MIN_DIALOG_WIDTH = 200;
	private static final int MIN_DIALOG_HEIGHT = 250;

	private IWorkbenchWindow window;
	private ArrayList persps;
	private IPerspectiveDescriptor chosenPersp;
	private boolean sameWindow = true;

	private TableViewer list;

	private Comparator comparator = new Comparator() {
	private Collator collator = Collator.getInstance();

	public int compare(Object ob1, Object ob2) {
	IPerspectiveDescriptor d1 = (IPerspectiveDescriptor) ob1;
	IPerspectiveDescriptor d2 = (IPerspectiveDescriptor) ob2;
	return collator.compare(d1.getLabel(), d2.getLabel());
	}
	};

	/**
	* Create a ProjectPerspectiveChoiceDialog
	* @param window the workbench window launching this dialog
	* @param perspIds the list of ids the user can choose from
	*/
	public ProjectPerspectiveChoiceDialog(IWorkbenchWindow window, String[] perspIds) {
	super(window.getShell());
	this.window = window;

	IWorkbenchPage page = window.getActivePage();
	if (page != null)
	chosenPersp = page.getPerspective();

	IPerspectiveRegistry reg = window.getWorkbench().getPerspectiveRegistry();
	persps = new ArrayList(perspIds.length);
	for (int i = 0; i < perspIds.length; i++) {
	IPerspectiveDescriptor desc;
	desc = reg.findPerspectiveWithId(perspIds[i]);
	if (desc != null && desc != chosenPersp)
	persps.add(desc);
	}
	Collections.sort(persps, comparator);

	if (chosenPersp != null)
	persps.add(0,chosenPersp);
	}

	/* (non-Javadoc)
	* Method declared in Window.
	*/
	protected void configureShell(Shell shell) {
	super.configureShell(shell);
	shell.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.title")); //$NON-NLS-1$
	WorkbenchHelp.setHelp(shell, IHelpContextIds.SHOW_PROJECT_PERSPECTIVE_DIALOG);
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected void createButtonsForButtonBar(Composite parent) {
	createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected Control createDialogArea(Composite parent) {
	// page group
	Composite composite = (Composite) super.createDialogArea(parent);

	composite.setLayout(new GridLayout());
	GridData data = new GridData(GridData.FILL_BOTH);
	data.widthHint = MIN_DIALOG_WIDTH;
	data.heightHint = MIN_DIALOG_HEIGHT;
	composite.setLayoutData(data);

	createPerspectiveGroup(composite);
	createOptionGroup(composite);

	if (chosenPersp != null)
	list.setSelection(new StructuredSelection(chosenPersp));

	return composite;
	}

	/**
	* Creates the perspective choice controls.
	*
	* @param parent the parent composite
	*/
	private void createPerspectiveGroup(Composite parent) {
	Font font = parent.getFont();
	// Label for choosing perspective
	Label label = new Label(parent, SWT.NONE);
	label.setFont(font);
	label.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.choosePerspective")); //$NON-NLS-1$

	// Add perspective list.
	list = new TableViewer(parent, SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	list.setLabelProvider(new PerspLabelProvider(false));
	list.setContentProvider(new PerspectiveContentProvider());
	list.setInput(persps);
	list.addSelectionChangedListener(new SelectionListener());
	list.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
	list.getTable().setFont(font);
	}

	/**
	* Creates the option controls.
	*
	* @param parent the parent composite
	*/
	private void createOptionGroup(Composite parent) {
	Font font = parent.getFont();
	// Create the option group
	Group optionGroup = new Group(parent, SWT.LEFT);
	GridLayout layout = new GridLayout();
	optionGroup.setLayout(layout);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.GRAB_HORIZONTAL);
	optionGroup.setLayoutData(data);
	optionGroup.setFont(font);
	optionGroup.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.options")); //$NON-NLS-1$

	// Same window option
	Button button = new Button(optionGroup, SWT.RADIO \| SWT.LEFT);
	button.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.sameWindow")); //$NON-NLS-1$
	data = new GridData();
	button.setLayoutData(data);
	button.setFont(font);
	button.setSelection(sameWindow);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	sameWindow = true;
	}
	});

	// New window option
	button = new Button(optionGroup, SWT.RADIO \| SWT.LEFT);
	button.setText(WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.newWindow")); //$NON-NLS-1$
	data = new GridData();
	button.setLayoutData(data);
	button.setFont(font);
	button.setSelection(!sameWindow);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	sameWindow = false;
	}
	});
	}

	/**
	* Shows the choosen perspective in the same or
	* new window depending on the option checked.
	* Returns the workbench window the perspective
	* was shown in.
	*/
	public IWorkbenchWindow showChosenPerspective() {
	if (chosenPersp == null)
	return window;

	final IWorkbenchWindow[] results = new IWorkbenchWindow[1];
	final WorkbenchException[] errors = new WorkbenchException[1];
	BusyIndicator.showWhile(window.getShell().getDisplay(), new Runnable() {
	public void run() {
	if (sameWindow) {
	results[0] = window;
	IWorkbenchPage page = window.getActivePage();
	if (page != null)
	page.setPerspective(chosenPersp);
	} else {
	try {
	results[0] = window.getWorkbench().openWorkbenchWindow(
	chosenPersp.getId(),
	ResourcesPlugin.getWorkspace().getRoot());
	} catch (WorkbenchException e) {
	errors[0] = e;
	}
	}
	}
	});

	IWorkbenchWindow result = results[0];
	results[0] = null;

	if (errors[0] != null) {
	ErrorDialog.openError(
	window.getShell(),
	WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.errorTitle"), //$NON-NLS-1$
	WorkbenchMessages.getString("ProjectPerspectiveChoiceDialog.errorMessage"), //$NON-NLS-1$
	errors[0].getStatus());
	errors[0] = null;
	return window;
	}

	return result;
	}

	class PerspectiveContentProvider implements IStructuredContentProvider {
	public PerspectiveContentProvider() {
	super();
	}

	public void dispose() {
	}

	public Object[] getElements(Object element) {
	if (element instanceof ArrayList) {
	return ((ArrayList)element).toArray();
	}
	return null;
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}

	public boolean isDeleted(Object element) {
	return false;
	}
	}

	class SelectionListener implements ISelectionChangedListener {
	public SelectionListener() {
	super();
	}

	public void selectionChanged(SelectionChangedEvent event) {
	IStructuredSelection selection = (IStructuredSelection) event.getSelection();
	if (selection != null)
	chosenPersp = (IPerspectiveDescriptor)selection.getFirstElement();
	}
	}
	}