bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/CloseResourceAction.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.actions;

 import java.util.*;

 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.widgets.Shell;

 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.NullProgressMonitor;

 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.viewers.IStructuredSelection;

 import org.eclipse.ui.*;
 import org.eclipse.ui.dialogs.ListSelectionDialog;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
 import org.eclipse.ui.internal.ide.IHelpContextIds;
 import org.eclipse.ui.model.AdaptableList;
 import org.eclipse.ui.model.WorkbenchContentProvider;
 import org.eclipse.ui.model.WorkbenchPartLabelProvider;

 /**
  * Standard action for closing the currently selected project(s).
  * <p>
  * This class may be instantiated; it is not intended to be subclassed.
  * </p>
  */
 public class CloseResourceAction extends WorkspaceAction implements IResourceChangeListener {
 	/**
 	 * The id of this action.
 	 */
 	public static final String ID = PlatformUI.PLUGIN_ID + ".CloseResourceAction"; //$NON-NLS-1$
 	/**
 	 * Creates a new action.
 	 *
 	 * @param shell the shell for any dialogs
 	 */
 	public CloseResourceAction(Shell shell) {
 		super(shell, IDEWorkbenchMessages.getString("CloseResourceAction.text")); //$NON-NLS-1$
 		setId(ID);
 		setToolTipText(IDEWorkbenchMessages.getString("CloseResourceAction.toolTip")); //$NON-NLS-1$
 		WorkbenchHelp.setHelp(this, IHelpContextIds.CLOSE_RESOURCE_ACTION);
 	}
 	/**
 	 * Return a list of dirty editors associated with the given projects.  Return
 	 * editors from all perspectives.
 	 *
 	 * @return List the dirty editors
 	 */
 	List getDirtyEditors(List projects) {
 		List dirtyEditors = new ArrayList(0);
 		IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();
 		for (int i = 0; i < windows.length; i++) {
 			IWorkbenchPage[] pages = windows[i].getPages();
 			for (int j = 0; j < pages.length; j++) {
 				IWorkbenchPage page = pages[j];
 				IEditorPart[] editors = page.getDirtyEditors();
 				for (int k = 0; k < editors.length; k++) {
 					IEditorPart editor = editors[k];
 					IEditorInput input = editor.getEditorInput();
 					if (input instanceof IFileEditorInput) {
 						IFile inputFile = ((IFileEditorInput) input).getFile();
 						if (projects.contains(inputFile.getProject())) {
 							if (editor.isDirty()) {
 								dirtyEditors.add(editor);
 							}
 						}
 					}
 				}
 			}
 		}
 		return dirtyEditors;
 	}
 	/**
 	 * Open a dialog that can be used to select which of the given
 	 * editors to save. Return the list of editors to save.  A value of
 	 * null implies that the operation was cancelled.
 	 *
 	 * @return List the editors to save
 	 */
 	List getEditorsToSave(List dirtyEditors) {
 		if (dirtyEditors.isEmpty())
 			return new ArrayList(0);

 		// The list may have multiple editors opened for the same input,
 		// so process the list for duplicates.
 		List saveEditors = new ArrayList(0);
 		List dirtyInputs = new ArrayList(0);
 		Iterator iter = dirtyEditors.iterator();
 		while (iter.hasNext()) {
 			IEditorPart editor = (IEditorPart) iter.next();
 			IEditorInput input = editor.getEditorInput();
 			IFile inputFile = ((IFileEditorInput) input).getFile();
 			// if the same file is open in multiple perspectives,
 			// we don't want to count it as dirty multiple times
 			if (!dirtyInputs.contains(inputFile)) {
 				dirtyInputs.add(inputFile);
 				saveEditors.add(editor);
 			}
 		}
 		AdaptableList input = new AdaptableList(saveEditors);
 		ListSelectionDialog dlg =
 			new ListSelectionDialog(getShell(), input, new WorkbenchContentProvider(), new WorkbenchPartLabelProvider(), IDEWorkbenchMessages.getString("EditorManager.saveResourcesMessage")); //$NON-NLS-1$

 		dlg.setInitialSelections(saveEditors.toArray(new Object[saveEditors.size()]));
 		dlg.setTitle(IDEWorkbenchMessages.getString("EditorManager.saveResourcesTitle")); //$NON-NLS-1$
 		int result = dlg.open();

 		if (result == IDialogConstants.CANCEL_ID)
 			return null;
 		return Arrays.asList(dlg.getResult());
 	}
 	/* (non-Javadoc)
 	 * Method declared on WorkspaceAction.
 	 */
 	String getOperationMessage() {
 		return ""; //$NON-NLS-1$
 	}
 	/* (non-Javadoc)
 	 * Method declared on WorkspaceAction.
 	 */
 	String getProblemsMessage() {
 		return IDEWorkbenchMessages.getString("CloseResourceAction.problemMessage"); //$NON-NLS-1$
 	}
 	/* (non-Javadoc)
 	 * Method declared on WorkspaceAction.
 	 */
 	String getProblemsTitle() {
 		return IDEWorkbenchMessages.getString("CloseResourceAction.title"); //$NON-NLS-1$
 	}
 	/* (non-Javadoc)
 	 * Method declared on WorkspaceAction.
 	 */
 	void invokeOperation(IResource resource, IProgressMonitor monitor) throws CoreException {
 		((IProject) resource).close(monitor);
 	}
 	/**
 	 * The implementation of this <code>WorkspaceAction</code> method
 	 * method saves and closes the resource's dirty editors before closing
 	 * it.
 	 */
 	public void run() {
 		if (!saveDirtyEditors())
 			return;
 		super.run();
 	}
 	/**
 	 * Causes all dirty editors associated to the resource(s) to be saved, if so
 	 * specified by the user, and closed.
 	 */
 	boolean saveDirtyEditors() {
 		// Get the items to close.
 		List projects = getSelectedResources();
 		if (projects == null || projects.isEmpty())
 			// no action needs to be taken since no projects are selected
 			return false;

 		// Collect all the dirty editors that are associated to the projects that are
 		// to be closed.
 		final List dirtyEditors = getDirtyEditors(projects);

 		// See which editors should be saved.
 		final List saveEditors = getEditorsToSave(dirtyEditors);
 		if (saveEditors == null)
 			// the operation was cancelled
 			return false;

 		// Save and close the dirty editors.
 		BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
 			public void run() {
 				Iterator iter = dirtyEditors.iterator();
 				while (iter.hasNext()) {
 					IEditorPart editor = (IEditorPart) iter.next();
 					IWorkbenchPage page = editor.getEditorSite().getPage();
 					if (saveEditors.contains(editor)) {
 						// do a direct save vs. using page.saveEditor, so that
 						// progress dialogs do not flash up on the screen multiple
 						// times
 						editor.doSave(new NullProgressMonitor());
 					}
 					page.closeEditor(editor, false);
 				}
 			}
 		});

 		return true;
 	}
 	/* (non-Javadoc)
 	 * Method declared on WorkspaceAction.
 	 */
 	boolean shouldPerformResourcePruning() {
 		return false;
 	}
 	/**
 	 * The <code>CloseResourceAction</code> implementation of this
 	 * <code>SelectionListenerAction</code> method ensures that this action is
 	 * enabled only if one of the selections is an open project.
 	 */
 	protected boolean updateSelection(IStructuredSelection s) {
 		// don't call super since we want to enable if open project is selected.
 		if (!selectionIsOfType(IResource.PROJECT))
 			return false;

 		Iterator resources = getSelectedResources().iterator();
 		while (resources.hasNext()) {
 			IProject currentResource = (IProject) resources.next();
 			if (currentResource.isOpen()) {
 				return true;
 			}
 		}
 		return false;
 	}

 	/**
 	 * Handles a resource changed event by updating the enablement
 	 * if one of the selected projects is opened or closed.
 	 */
 	public void resourceChanged(IResourceChangeEvent event) {
 		// Warning: code duplicated in OpenResourceAction
 		List sel = getSelectedResources();
 		// don't bother looking at delta if selection not applicable
 		if (selectionIsOfType(IResource.PROJECT)) {
 			IResourceDelta delta = event.getDelta();
 			if (delta != null) {
 				IResourceDelta[] projDeltas = delta.getAffectedChildren(IResourceDelta.CHANGED);
 				for (int i = 0; i < projDeltas.length; ++i) {
 					IResourceDelta projDelta = projDeltas[i];
 					if ((projDelta.getFlags() & IResourceDelta.OPEN) != 0) {
 						if (sel.contains(projDelta.getResource())) {
 							selectionChanged(getStructuredSelection());
 							return;
 						}
 					}
 				}
 			}
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.ui.actions;

	import java.util.*;

	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.widgets.Shell;

	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.NullProgressMonitor;

	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.viewers.IStructuredSelection;

	import org.eclipse.ui.*;
	import org.eclipse.ui.dialogs.ListSelectionDialog;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
	import org.eclipse.ui.internal.ide.IHelpContextIds;
	import org.eclipse.ui.model.AdaptableList;
	import org.eclipse.ui.model.WorkbenchContentProvider;
	import org.eclipse.ui.model.WorkbenchPartLabelProvider;

	/**
	* Standard action for closing the currently selected project(s).
	* <p>
	* This class may be instantiated; it is not intended to be subclassed.
	* </p>
	*/
	public class CloseResourceAction extends WorkspaceAction implements IResourceChangeListener {
	/**
	* The id of this action.
	*/
	public static final String ID = PlatformUI.PLUGIN_ID + ".CloseResourceAction"; //$NON-NLS-1$
	/**
	* Creates a new action.
	*
	* @param shell the shell for any dialogs
	*/
	public CloseResourceAction(Shell shell) {
	super(shell, IDEWorkbenchMessages.getString("CloseResourceAction.text")); //$NON-NLS-1$
	setId(ID);
	setToolTipText(IDEWorkbenchMessages.getString("CloseResourceAction.toolTip")); //$NON-NLS-1$
	WorkbenchHelp.setHelp(this, IHelpContextIds.CLOSE_RESOURCE_ACTION);
	}
	/**
	* Return a list of dirty editors associated with the given projects. Return
	* editors from all perspectives.
	*
	* @return List the dirty editors
	*/
	List getDirtyEditors(List projects) {
	List dirtyEditors = new ArrayList(0);
	IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();
	for (int i = 0; i < windows.length; i++) {
	IWorkbenchPage[] pages = windows[i].getPages();
	for (int j = 0; j < pages.length; j++) {
	IWorkbenchPage page = pages[j];
	IEditorPart[] editors = page.getDirtyEditors();
	for (int k = 0; k < editors.length; k++) {
	IEditorPart editor = editors[k];
	IEditorInput input = editor.getEditorInput();
	if (input instanceof IFileEditorInput) {
	IFile inputFile = ((IFileEditorInput) input).getFile();
	if (projects.contains(inputFile.getProject())) {
	if (editor.isDirty()) {
	dirtyEditors.add(editor);
	}
	}
	}
	}
	}
	}
	return dirtyEditors;
	}
	/**
	* Open a dialog that can be used to select which of the given
	* editors to save. Return the list of editors to save. A value of
	* null implies that the operation was cancelled.
	*
	* @return List the editors to save
	*/
	List getEditorsToSave(List dirtyEditors) {
	if (dirtyEditors.isEmpty())
	return new ArrayList(0);

	// The list may have multiple editors opened for the same input,
	// so process the list for duplicates.
	List saveEditors = new ArrayList(0);
	List dirtyInputs = new ArrayList(0);
	Iterator iter = dirtyEditors.iterator();
	while (iter.hasNext()) {
	IEditorPart editor = (IEditorPart) iter.next();
	IEditorInput input = editor.getEditorInput();
	IFile inputFile = ((IFileEditorInput) input).getFile();
	// if the same file is open in multiple perspectives,
	// we don't want to count it as dirty multiple times
	if (!dirtyInputs.contains(inputFile)) {
	dirtyInputs.add(inputFile);
	saveEditors.add(editor);
	}
	}
	AdaptableList input = new AdaptableList(saveEditors);
	ListSelectionDialog dlg =
	new ListSelectionDialog(getShell(), input, new WorkbenchContentProvider(), new WorkbenchPartLabelProvider(), IDEWorkbenchMessages.getString("EditorManager.saveResourcesMessage")); //$NON-NLS-1$

	dlg.setInitialSelections(saveEditors.toArray(new Object[saveEditors.size()]));
	dlg.setTitle(IDEWorkbenchMessages.getString("EditorManager.saveResourcesTitle")); //$NON-NLS-1$
	int result = dlg.open();

	if (result == IDialogConstants.CANCEL_ID)
	return null;
	return Arrays.asList(dlg.getResult());
	}
	/* (non-Javadoc)
	* Method declared on WorkspaceAction.
	*/
	String getOperationMessage() {
	return ""; //$NON-NLS-1$
	}
	/* (non-Javadoc)
	* Method declared on WorkspaceAction.
	*/
	String getProblemsMessage() {
	return IDEWorkbenchMessages.getString("CloseResourceAction.problemMessage"); //$NON-NLS-1$
	}
	/* (non-Javadoc)
	* Method declared on WorkspaceAction.
	*/
	String getProblemsTitle() {
	return IDEWorkbenchMessages.getString("CloseResourceAction.title"); //$NON-NLS-1$
	}
	/* (non-Javadoc)
	* Method declared on WorkspaceAction.
	*/
	void invokeOperation(IResource resource, IProgressMonitor monitor) throws CoreException {
	((IProject) resource).close(monitor);
	}
	/**
	* The implementation of this <code>WorkspaceAction</code> method
	* method saves and closes the resource's dirty editors before closing
	* it.
	*/
	public void run() {
	if (!saveDirtyEditors())
	return;
	super.run();
	}
	/**
	* Causes all dirty editors associated to the resource(s) to be saved, if so
	* specified by the user, and closed.
	*/
	boolean saveDirtyEditors() {
	// Get the items to close.
	List projects = getSelectedResources();
	if (projects == null \|\| projects.isEmpty())
	// no action needs to be taken since no projects are selected
	return false;

	// Collect all the dirty editors that are associated to the projects that are
	// to be closed.
	final List dirtyEditors = getDirtyEditors(projects);

	// See which editors should be saved.
	final List saveEditors = getEditorsToSave(dirtyEditors);
	if (saveEditors == null)
	// the operation was cancelled
	return false;

	// Save and close the dirty editors.
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
	public void run() {
	Iterator iter = dirtyEditors.iterator();
	while (iter.hasNext()) {
	IEditorPart editor = (IEditorPart) iter.next();
	IWorkbenchPage page = editor.getEditorSite().getPage();
	if (saveEditors.contains(editor)) {
	// do a direct save vs. using page.saveEditor, so that
	// progress dialogs do not flash up on the screen multiple
	// times
	editor.doSave(new NullProgressMonitor());
	}
	page.closeEditor(editor, false);
	}
	}
	});

	return true;
	}
	/* (non-Javadoc)
	* Method declared on WorkspaceAction.
	*/
	boolean shouldPerformResourcePruning() {
	return false;
	}
	/**
	* The <code>CloseResourceAction</code> implementation of this
	* <code>SelectionListenerAction</code> method ensures that this action is
	* enabled only if one of the selections is an open project.
	*/
	protected boolean updateSelection(IStructuredSelection s) {
	// don't call super since we want to enable if open project is selected.
	if (!selectionIsOfType(IResource.PROJECT))
	return false;

	Iterator resources = getSelectedResources().iterator();
	while (resources.hasNext()) {
	IProject currentResource = (IProject) resources.next();
	if (currentResource.isOpen()) {
	return true;
	}
	}
	return false;
	}

	/**
	* Handles a resource changed event by updating the enablement
	* if one of the selected projects is opened or closed.
	*/
	public void resourceChanged(IResourceChangeEvent event) {
	// Warning: code duplicated in OpenResourceAction
	List sel = getSelectedResources();
	// don't bother looking at delta if selection not applicable
	if (selectionIsOfType(IResource.PROJECT)) {
	IResourceDelta delta = event.getDelta();
	if (delta != null) {
	IResourceDelta[] projDeltas = delta.getAffectedChildren(IResourceDelta.CHANGED);
	for (int i = 0; i < projDeltas.length; ++i) {
	IResourceDelta projDelta = projDeltas[i];
	if ((projDelta.getFlags() & IResourceDelta.OPEN) != 0) {
	if (sel.contains(projDelta.getResource())) {
	selectionChanged(getStructuredSelection());
	return;
	}
	}
	}
	}
	}
	}
	}