org.eclipse.search/search/org/eclipse/search/internal/ui/text/ReplaceDialog.java - platform/eclipse.platform.text - 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.search.internal.ui.text;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.IWorkspaceDescription;
 import org.eclipse.core.resources.IncrementalProjectBuilder;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.graphics.Point;
 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.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.Position;
 import org.eclipse.jface.util.Assert;

 import org.eclipse.ui.IEditorDescriptor;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.actions.GlobalBuildAction;
 import org.eclipse.ui.ide.IDE;
 import org.eclipse.ui.part.FileEditorInput;
 import org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel;
 import org.eclipse.ui.texteditor.IDocumentProvider;
 import org.eclipse.ui.texteditor.ITextEditor;

 import org.eclipse.search.ui.ISearchResultView;

 import org.eclipse.search.internal.ui.SearchMessages;
 import org.eclipse.search.internal.ui.SearchPlugin;
 import org.eclipse.search.internal.ui.SearchResultView;
 import org.eclipse.search.internal.ui.SearchResultViewEntry;
 import org.eclipse.search.internal.ui.util.ExceptionHandler;

 public class ReplaceDialog extends Dialog {

 	private static final int REPLACE_NEXT= IDialogConstants.CLIENT_ID;
 	private static final int REPLACE= IDialogConstants.CLIENT_ID + 1;
 	private static final int NEXT= IDialogConstants.CLIENT_ID + 2;

 	private String fSearchPattern;

 	private IWorkbenchWindow fWindow;
 	private boolean fAutobuild;
 	private boolean fFatalError;

 	// UI
 	private Text fTextField;
 	private Button fSaveButton;
 	private Button fReplaceNextButton;
 	private Button fReplaceButton;
 	private Button fNextButton;


 	private boolean fSaved;
 	private ITextEditor fEditor;
 	private boolean fCloseEditor;
 	private IDocument fDocument;
 	private AbstractMarkerAnnotationModel fAnnotationModel;


 	private List fElements;
 	private int fElementIndex;
 	private SearchResultViewEntry fCurrentEntry;
 	private List fCurrentMarkers;
 	private int fMarkerIndex;
 	private IMarker fCurrentMatch;

 	private static class MarkerNotPresentableException extends Exception {
 		private IFile fFile;
 		MarkerNotPresentableException(IFile file) {
 			fFile= file;
 		}
 		public IFile getFile() {
 			return fFile;
 		}
 	}

 	protected ReplaceDialog(Shell parentShell, List elements, IWorkbenchWindow window, String searchPattern) {
 		super(parentShell);
 		Assert.isNotNull(elements);
 		Assert.isNotNull(searchPattern);
 		fElements= new ArrayList(elements);
 		Assert.isNotNull(window);
 		fWindow= window;
 		fSearchPattern= searchPattern;
 	}

 	public void create() {
 		super.create();
 		Shell shell= getShell();
 		shell.setText(getDialogTitle());
 		updateButtons();
 	}

 	public int open() {
 		IWorkspace workspace = ResourcesPlugin.getWorkspace();
 		fAutobuild= workspace.isAutoBuilding();
 		if (fAutobuild) {
 			IWorkspaceDescription description= workspace.getDescription();
 			description.setAutoBuilding(false);
 			try {
 				workspace.setDescription(description);
 			} catch (CoreException e) {
 				ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.auto_building")); //$NON-NLS-1$
 				fFatalError= true;
 			}
 		}
 		try {
 			fCurrentMatch= getNextMatch(false);
 		} catch (CoreException e) {
 			ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.no_matches")); //$NON-NLS-1$
 			fFatalError= true;
 		} catch (MarkerNotPresentableException e) {
 			handleMarkerNotPresentableException(e);
 			fFatalError= true;
 		}
 		return super.open();
 	}

 	public boolean close() {
 		boolean result= super.close();
 		restoreAutoBuildState();
 		return result;
 	}

 	protected Control createDialogArea(Composite parent) {
 		Composite result= (Composite)super.createDialogArea(parent);
 		GridLayout layout= (GridLayout)result.getLayout();
 		layout.numColumns= 2;

 		initializeDialogUnits(result);

 		Label label= new Label(result, SWT.NONE);
 		label.setText(SearchMessages.getString("ReplaceDialog.replace_label")); //$NON-NLS-1$

 		CLabel clabel= new CLabel(result, SWT.NONE);
 		clabel.setText(fSearchPattern);
 		GridData gd= new GridData(GridData.FILL_HORIZONTAL);
 		gd.widthHint= convertWidthInCharsToPixels(50);
 		clabel.setLayoutData(gd);

 		label= new Label(result, SWT.NONE);
 		label.setText(SearchMessages.getString("ReplaceDialog.with_label")); //$NON-NLS-1$

 		fTextField= new Text(result, SWT.BORDER);
 		gd= new GridData(GridData.FILL_HORIZONTAL);
 		gd.widthHint= convertWidthInCharsToPixels(50);
 		fTextField.setLayoutData(gd);
 		fTextField.setFocus();

 		fSaveButton= new Button(result, SWT.CHECK);
 		fSaveButton.setText(SearchMessages.getString("ReplaceDialog.save_changes")); //$NON-NLS-1$
 		fSaveButton.setSelection(true);
 		gd= new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan= 2;
 		fSaveButton.setLayoutData(gd);

 		applyDialogFont(result);
 		return result;
 	}

 	protected void createButtonsForButtonBar(Composite parent) {
 		fReplaceNextButton= createButton(parent, REPLACE_NEXT, SearchMessages.getString("ReplaceDialog.replace_next"), false); //$NON-NLS-1$
 		fReplaceButton= createButton(parent, REPLACE, SearchMessages.getString("ReplaceDialog.replace"), false); //$NON-NLS-1$
 		fNextButton= createButton(parent, NEXT, SearchMessages.getString("ReplaceDialog.next"), false); //$NON-NLS-1$
 		createButton(parent, IDialogConstants.CANCEL_ID, SearchMessages.getString("ReplaceDialog.close"), false); //$NON-NLS-1$
 	}

 	protected Point getInitialLocation(Point initialSize) {
 		SearchResultView view= (SearchResultView)SearchPlugin.getSearchResultView();
 		if (view == null)
 			return super.getInitialLocation(initialSize);
 		Point result= new Point(0,0);
 		Control control= view.getViewer().getControl();
 		Point size= control.getSize();
 		Point location= control.toDisplay(control.getLocation());
 		result.x= Math.max(0, location.x + size.x - initialSize.x);
 		result.y= Math.max(0, location.y + size. y - initialSize.y);
 		return result;
 	}

 	protected void buttonPressed(int buttonId) {
 		try {
 			boolean save= fSaveButton.getSelection();
 			String text= fTextField.getText();
 			switch(buttonId) {
 				case REPLACE_NEXT:
 					replace(fCurrentMatch, text, save);
 					fCurrentMatch= getNextMatch(save);
 					break;
 				case REPLACE:
 					replace(fCurrentMatch, text, save);
 					fCurrentMatch= null;
 					break;
 				case NEXT:
 					fCurrentMatch= getNextMatch(save);
 					break;
 				case IDialogConstants.CANCEL_ID:
 					saveEditor(save);
 					break;
 			}
 		} catch (CoreException e) {
 			ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.unexpected_exception")); //$NON-NLS-1$
 			fFatalError= true;
 		} catch (BadLocationException e) {
 			MessageDialog.openError(getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.different_content")); //$NON-NLS-1$
 			fFatalError= true;
 		} catch (MarkerNotPresentableException e) {
 			handleMarkerNotPresentableException(e);
 			fFatalError= true;
 		}
 		updateButtons();
 		super.buttonPressed(buttonId);
 	}

 	private void replace(IMarker source, String text, boolean save) throws CoreException, BadLocationException {
 		Position position= fAnnotationModel.getMarkerPosition(source);
 		fDocument.replace(position.getOffset(), position.getLength(), text);
 		SearchPlugin.getWorkspace().deleteMarkers(new IMarker[] {source});
 	}

 	private boolean hasNextMatch() {
 		if (fCurrentMarkers != null)
 			return true;
 		return fElementIndex < fElements.size();
 	}

 	private IMarker getNextMatch(boolean save) throws CoreException, MarkerNotPresentableException {
 		if (fCurrentMarkers == null) {
 			if (fElementIndex >= fElements.size())
 				return null;
 			saveEditor(save);
 			fCurrentEntry= (SearchResultViewEntry)fElements.get(fElementIndex++);
 			fCurrentMarkers= new ArrayList(fCurrentEntry.getMarkers());
 			fMarkerIndex= 0;
 		}
 		IMarker result= (IMarker)fCurrentMarkers.get(fMarkerIndex);
 		if (fEditor == null) {
 			IWorkbenchPage activePage = fWindow.getActivePage();
 			int openEditors= activePage.getEditorReferences().length;

 			fEditor= openFile(result, activePage);
 			IDE.gotoMarker(fEditor, result);
 			IDocumentProvider provider= fEditor.getDocumentProvider();
 			IEditorInput input = fEditor.getEditorInput();
 			fDocument= provider.getDocument(input);
 			fAnnotationModel= (AbstractMarkerAnnotationModel)provider.getAnnotationModel(input);
 			fCloseEditor= openEditors < activePage.getEditorReferences().length;
 		} else {
 			IDE.gotoMarker(fEditor, result);
 		}
 		if (fMarkerIndex == fCurrentMarkers.size() - 1) {
 			fCurrentMarkers= null;
 		} else {
 			fMarkerIndex++;
 		}
 		return result;
 	}

 	private ITextEditor openFile(IMarker marker, IWorkbenchPage activePage) throws MarkerNotPresentableException, PartInitException {
 		IFile markerFile= marker.getResource() instanceof IFile ? (IFile)marker.getResource() : null;
 		if (markerFile == null)
 			throw new MarkerNotPresentableException(null);

 		String currentEditorId= null;
 		IEditorDescriptor desc= IDE.getDefaultEditor(markerFile);
 		if (desc != null)
 			currentEditorId= desc.getId();
 		try {
 			IEditorPart result= activePage.openEditor(new FileEditorInput(markerFile), "org.eclipse.ui.DefaultTextEditor", false); //$NON-NLS-1$
 			if (!(result instanceof ITextEditor))
 				throw new MarkerNotPresentableException(markerFile);
 			return (ITextEditor)result;
 		} finally {
 			if (currentEditorId != null)
 				IDE.setDefaultEditor(markerFile, currentEditorId);
 		}
 	}

 	private void saveEditor(boolean save) throws CoreException {
 		if (fEditor == null)
 			return;

 		save= save && fEditor.isDirty();
 		if (save) {
 			IDocumentProvider provider= fEditor.getDocumentProvider();
 			IEditorInput input = fEditor.getEditorInput();
 			try {
 				provider.aboutToChange(input);
 				provider.saveDocument(new NullProgressMonitor(), input, fDocument, true);
 				fSaved= true;
 			} finally {
 				provider.changed(input);
 			}
 		}
 		if (fCloseEditor && !fEditor.isDirty())
 			fEditor.close(false);
 		fEditor= null;
 		fDocument= null;
 		fAnnotationModel= null;
 		fCloseEditor= false;

 	}

 	private void updateButtons() {
 		boolean hasNext= hasNextMatch();
 		fReplaceNextButton.setEnabled(!fFatalError && fCurrentMatch != null);
 		fReplaceButton.setEnabled(!fFatalError && fCurrentMatch != null);
 		fNextButton.setEnabled(!fFatalError && hasNext);
 	}

 	private void restoreAutoBuildState() {
 		if (!fAutobuild)
 			return;
 		IWorkspace workspace= ResourcesPlugin.getWorkspace();
 		IWorkspaceDescription description= workspace.getDescription();
 		description.setAutoBuilding(true);
 		try {
 			workspace.setDescription(description);
 		} catch (CoreException e) {
 			ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.reenable_auto_build_failed")); //$NON-NLS-1$
 			return;
 		}

 		ISearchResultView view= SearchPlugin.getSearchResultView();
 		if (fSaved && view != null) {
 			new GlobalBuildAction(
 				view.getSite().getWorkbenchWindow(),
 				IncrementalProjectBuilder.INCREMENTAL_BUILD).run();
 		}
 	}

 	private String getDialogTitle() {
 		return SearchMessages.getString("ReplaceDialog.dialog.title"); //$NON-NLS-1$
 	}

 	private void handleMarkerNotPresentableException(MarkerNotPresentableException e) {
 		IFile file= e.getFile();
 		String message;
 		if (file == null) {
 			message= SearchMessages.getString("ReplaceDialog.error.no_file_for_marker"); //$NON-NLS-1$
 		} else {
 			message= SearchMessages.getFormattedString("ReplaceDialog.error.unable_to_open_text_editor", file.getName()); //$NON-NLS-1$
 		}
 		MessageDialog.openError(getParentShell(), getDialogTitle(), message);
 	}
 }
	/*******************************************************************************
	* 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.search.internal.ui.text;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IMarker;
	import org.eclipse.core.resources.IWorkspace;
	import org.eclipse.core.resources.IWorkspaceDescription;
	import org.eclipse.core.resources.IncrementalProjectBuilder;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.NullProgressMonitor;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CLabel;
	import org.eclipse.swt.graphics.Point;
	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.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.text.BadLocationException;
	import org.eclipse.jface.text.IDocument;
	import org.eclipse.jface.text.Position;
	import org.eclipse.jface.util.Assert;

	import org.eclipse.ui.IEditorDescriptor;
	import org.eclipse.ui.IEditorInput;
	import org.eclipse.ui.IEditorPart;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchWindow;
	import org.eclipse.ui.PartInitException;
	import org.eclipse.ui.actions.GlobalBuildAction;
	import org.eclipse.ui.ide.IDE;
	import org.eclipse.ui.part.FileEditorInput;
	import org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel;
	import org.eclipse.ui.texteditor.IDocumentProvider;
	import org.eclipse.ui.texteditor.ITextEditor;

	import org.eclipse.search.ui.ISearchResultView;

	import org.eclipse.search.internal.ui.SearchMessages;
	import org.eclipse.search.internal.ui.SearchPlugin;
	import org.eclipse.search.internal.ui.SearchResultView;
	import org.eclipse.search.internal.ui.SearchResultViewEntry;
	import org.eclipse.search.internal.ui.util.ExceptionHandler;

	public class ReplaceDialog extends Dialog {

	private static final int REPLACE_NEXT= IDialogConstants.CLIENT_ID;
	private static final int REPLACE= IDialogConstants.CLIENT_ID + 1;
	private static final int NEXT= IDialogConstants.CLIENT_ID + 2;

	private String fSearchPattern;

	private IWorkbenchWindow fWindow;
	private boolean fAutobuild;
	private boolean fFatalError;

	// UI
	private Text fTextField;
	private Button fSaveButton;
	private Button fReplaceNextButton;
	private Button fReplaceButton;
	private Button fNextButton;


	private boolean fSaved;
	private ITextEditor fEditor;
	private boolean fCloseEditor;
	private IDocument fDocument;
	private AbstractMarkerAnnotationModel fAnnotationModel;


	private List fElements;
	private int fElementIndex;
	private SearchResultViewEntry fCurrentEntry;
	private List fCurrentMarkers;
	private int fMarkerIndex;
	private IMarker fCurrentMatch;

	private static class MarkerNotPresentableException extends Exception {
	private IFile fFile;
	MarkerNotPresentableException(IFile file) {
	fFile= file;
	}
	public IFile getFile() {
	return fFile;
	}
	}

	protected ReplaceDialog(Shell parentShell, List elements, IWorkbenchWindow window, String searchPattern) {
	super(parentShell);
	Assert.isNotNull(elements);
	Assert.isNotNull(searchPattern);
	fElements= new ArrayList(elements);
	Assert.isNotNull(window);
	fWindow= window;
	fSearchPattern= searchPattern;
	}

	public void create() {
	super.create();
	Shell shell= getShell();
	shell.setText(getDialogTitle());
	updateButtons();
	}

	public int open() {
	IWorkspace workspace = ResourcesPlugin.getWorkspace();
	fAutobuild= workspace.isAutoBuilding();
	if (fAutobuild) {
	IWorkspaceDescription description= workspace.getDescription();
	description.setAutoBuilding(false);
	try {
	workspace.setDescription(description);
	} catch (CoreException e) {
	ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.auto_building")); //$NON-NLS-1$
	fFatalError= true;
	}
	}
	try {
	fCurrentMatch= getNextMatch(false);
	} catch (CoreException e) {
	ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.no_matches")); //$NON-NLS-1$
	fFatalError= true;
	} catch (MarkerNotPresentableException e) {
	handleMarkerNotPresentableException(e);
	fFatalError= true;
	}
	return super.open();
	}

	public boolean close() {
	boolean result= super.close();
	restoreAutoBuildState();
	return result;
	}

	protected Control createDialogArea(Composite parent) {
	Composite result= (Composite)super.createDialogArea(parent);
	GridLayout layout= (GridLayout)result.getLayout();
	layout.numColumns= 2;

	initializeDialogUnits(result);

	Label label= new Label(result, SWT.NONE);
	label.setText(SearchMessages.getString("ReplaceDialog.replace_label")); //$NON-NLS-1$

	CLabel clabel= new CLabel(result, SWT.NONE);
	clabel.setText(fSearchPattern);
	GridData gd= new GridData(GridData.FILL_HORIZONTAL);
	gd.widthHint= convertWidthInCharsToPixels(50);
	clabel.setLayoutData(gd);

	label= new Label(result, SWT.NONE);
	label.setText(SearchMessages.getString("ReplaceDialog.with_label")); //$NON-NLS-1$

	fTextField= new Text(result, SWT.BORDER);
	gd= new GridData(GridData.FILL_HORIZONTAL);
	gd.widthHint= convertWidthInCharsToPixels(50);
	fTextField.setLayoutData(gd);
	fTextField.setFocus();

	fSaveButton= new Button(result, SWT.CHECK);
	fSaveButton.setText(SearchMessages.getString("ReplaceDialog.save_changes")); //$NON-NLS-1$
	fSaveButton.setSelection(true);
	gd= new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan= 2;
	fSaveButton.setLayoutData(gd);

	applyDialogFont(result);
	return result;
	}

	protected void createButtonsForButtonBar(Composite parent) {
	fReplaceNextButton= createButton(parent, REPLACE_NEXT, SearchMessages.getString("ReplaceDialog.replace_next"), false); //$NON-NLS-1$
	fReplaceButton= createButton(parent, REPLACE, SearchMessages.getString("ReplaceDialog.replace"), false); //$NON-NLS-1$
	fNextButton= createButton(parent, NEXT, SearchMessages.getString("ReplaceDialog.next"), false); //$NON-NLS-1$
	createButton(parent, IDialogConstants.CANCEL_ID, SearchMessages.getString("ReplaceDialog.close"), false); //$NON-NLS-1$
	}

	protected Point getInitialLocation(Point initialSize) {
	SearchResultView view= (SearchResultView)SearchPlugin.getSearchResultView();
	if (view == null)
	return super.getInitialLocation(initialSize);
	Point result= new Point(0,0);
	Control control= view.getViewer().getControl();
	Point size= control.getSize();
	Point location= control.toDisplay(control.getLocation());
	result.x= Math.max(0, location.x + size.x - initialSize.x);
	result.y= Math.max(0, location.y + size. y - initialSize.y);
	return result;
	}

	protected void buttonPressed(int buttonId) {
	try {
	boolean save= fSaveButton.getSelection();
	String text= fTextField.getText();
	switch(buttonId) {
	case REPLACE_NEXT:
	replace(fCurrentMatch, text, save);
	fCurrentMatch= getNextMatch(save);
	break;
	case REPLACE:
	replace(fCurrentMatch, text, save);
	fCurrentMatch= null;
	break;
	case NEXT:
	fCurrentMatch= getNextMatch(save);
	break;
	case IDialogConstants.CANCEL_ID:
	saveEditor(save);
	break;
	}
	} catch (CoreException e) {
	ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.unexpected_exception")); //$NON-NLS-1$
	fFatalError= true;
	} catch (BadLocationException e) {
	MessageDialog.openError(getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.different_content")); //$NON-NLS-1$
	fFatalError= true;
	} catch (MarkerNotPresentableException e) {
	handleMarkerNotPresentableException(e);
	fFatalError= true;
	}
	updateButtons();
	super.buttonPressed(buttonId);
	}

	private void replace(IMarker source, String text, boolean save) throws CoreException, BadLocationException {
	Position position= fAnnotationModel.getMarkerPosition(source);
	fDocument.replace(position.getOffset(), position.getLength(), text);
	SearchPlugin.getWorkspace().deleteMarkers(new IMarker[] {source});
	}

	private boolean hasNextMatch() {
	if (fCurrentMarkers != null)
	return true;
	return fElementIndex < fElements.size();
	}

	private IMarker getNextMatch(boolean save) throws CoreException, MarkerNotPresentableException {
	if (fCurrentMarkers == null) {
	if (fElementIndex >= fElements.size())
	return null;
	saveEditor(save);
	fCurrentEntry= (SearchResultViewEntry)fElements.get(fElementIndex++);
	fCurrentMarkers= new ArrayList(fCurrentEntry.getMarkers());
	fMarkerIndex= 0;
	}
	IMarker result= (IMarker)fCurrentMarkers.get(fMarkerIndex);
	if (fEditor == null) {
	IWorkbenchPage activePage = fWindow.getActivePage();
	int openEditors= activePage.getEditorReferences().length;

	fEditor= openFile(result, activePage);
	IDE.gotoMarker(fEditor, result);
	IDocumentProvider provider= fEditor.getDocumentProvider();
	IEditorInput input = fEditor.getEditorInput();
	fDocument= provider.getDocument(input);
	fAnnotationModel= (AbstractMarkerAnnotationModel)provider.getAnnotationModel(input);
	fCloseEditor= openEditors < activePage.getEditorReferences().length;
	} else {
	IDE.gotoMarker(fEditor, result);
	}
	if (fMarkerIndex == fCurrentMarkers.size() - 1) {
	fCurrentMarkers= null;
	} else {
	fMarkerIndex++;
	}
	return result;
	}

	private ITextEditor openFile(IMarker marker, IWorkbenchPage activePage) throws MarkerNotPresentableException, PartInitException {
	IFile markerFile= marker.getResource() instanceof IFile ? (IFile)marker.getResource() : null;
	if (markerFile == null)
	throw new MarkerNotPresentableException(null);

	String currentEditorId= null;
	IEditorDescriptor desc= IDE.getDefaultEditor(markerFile);
	if (desc != null)
	currentEditorId= desc.getId();
	try {
	IEditorPart result= activePage.openEditor(new FileEditorInput(markerFile), "org.eclipse.ui.DefaultTextEditor", false); //$NON-NLS-1$
	if (!(result instanceof ITextEditor))
	throw new MarkerNotPresentableException(markerFile);
	return (ITextEditor)result;
	} finally {
	if (currentEditorId != null)
	IDE.setDefaultEditor(markerFile, currentEditorId);
	}
	}

	private void saveEditor(boolean save) throws CoreException {
	if (fEditor == null)
	return;

	save= save && fEditor.isDirty();
	if (save) {
	IDocumentProvider provider= fEditor.getDocumentProvider();
	IEditorInput input = fEditor.getEditorInput();
	try {
	provider.aboutToChange(input);
	provider.saveDocument(new NullProgressMonitor(), input, fDocument, true);
	fSaved= true;
	} finally {
	provider.changed(input);
	}
	}
	if (fCloseEditor && !fEditor.isDirty())
	fEditor.close(false);
	fEditor= null;
	fDocument= null;
	fAnnotationModel= null;
	fCloseEditor= false;

	}

	private void updateButtons() {
	boolean hasNext= hasNextMatch();
	fReplaceNextButton.setEnabled(!fFatalError && fCurrentMatch != null);
	fReplaceButton.setEnabled(!fFatalError && fCurrentMatch != null);
	fNextButton.setEnabled(!fFatalError && hasNext);
	}

	private void restoreAutoBuildState() {
	if (!fAutobuild)
	return;
	IWorkspace workspace= ResourcesPlugin.getWorkspace();
	IWorkspaceDescription description= workspace.getDescription();
	description.setAutoBuilding(true);
	try {
	workspace.setDescription(description);
	} catch (CoreException e) {
	ExceptionHandler.handle(e, getShell(), getDialogTitle(), SearchMessages.getString("ReplaceDialog.error.reenable_auto_build_failed")); //$NON-NLS-1$
	return;
	}

	ISearchResultView view= SearchPlugin.getSearchResultView();
	if (fSaved && view != null) {
	new GlobalBuildAction(
	view.getSite().getWorkbenchWindow(),
	IncrementalProjectBuilder.INCREMENTAL_BUILD).run();
	}
	}

	private String getDialogTitle() {
	return SearchMessages.getString("ReplaceDialog.dialog.title"); //$NON-NLS-1$
	}

	private void handleMarkerNotPresentableException(MarkerNotPresentableException e) {
	IFile file= e.getFile();
	String message;
	if (file == null) {
	message= SearchMessages.getString("ReplaceDialog.error.no_file_for_marker"); //$NON-NLS-1$
	} else {
	message= SearchMessages.getFormattedString("ReplaceDialog.error.unable_to_open_text_editor", file.getName()); //$NON-NLS-1$
	}
	MessageDialog.openError(getParentShell(), getDialogTitle(), message);
	}
	}