Attachment 37362 Details for Bug 132833 – patch with regex content assist and alignment of lower field

[patch] patch with regex content assist and alignment of lower field

searchregexwithmargin.txt (text/plain), 50.96 KB, created by Susan McCourt

on 2006-03-30 17:07:15 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Susan McCourt

Created: 2006-03-30 17:07:15 EST

Size: 50.96 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.search
>Index: search/org/eclipse/search/internal/ui/text/ReplaceDialog2.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.search/search/org/eclipse/search/internal/ui/text/ReplaceDialog2.java,v
>retrieving revision 1.29
>diff -u -r1.29 ReplaceDialog2.java
>--- search/org/eclipse/search/internal/ui/text/ReplaceDialog2.java	28 Mar 2006 16:34:57 -0000	1.29
>+++ search/org/eclipse/search/internal/ui/text/ReplaceDialog2.java	30 Mar 2006 22:05:55 -0000
>@@ -50,10 +50,11 @@
> import org.eclipse.swt.widgets.Shell;
> import org.eclipse.swt.widgets.Text;
> 
>-import org.eclipse.jface.contentassist.SubjectControlContentAssistant;
> import org.eclipse.jface.dialogs.IDialogConstants;
> import org.eclipse.jface.dialogs.IDialogSettings;
> import org.eclipse.jface.dialogs.MessageDialog;
>+import org.eclipse.jface.fieldassist.ComboContentAdapter;
>+import org.eclipse.jface.fieldassist.IControlCreator;
> import org.eclipse.jface.operation.IRunnableWithProgress;
> import org.eclipse.jface.resource.JFaceColors;
> import org.eclipse.jface.util.Assert;
>@@ -62,13 +63,8 @@
> import org.eclipse.jface.viewers.StructuredSelection;
> 
> import org.eclipse.jface.text.BadLocationException;
>-import org.eclipse.jface.text.DefaultInformationControl;
> import org.eclipse.jface.text.IDocument;
>-import org.eclipse.jface.text.IInformationControl;
>-import org.eclipse.jface.text.IInformationControlCreator;
> import org.eclipse.jface.text.Position;
>-import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
>-import org.eclipse.jface.text.contentassist.IContentAssistant;
> 
> import org.eclipse.ui.IEditorDescriptor;
> import org.eclipse.ui.IEditorPart;
>@@ -78,10 +74,11 @@
> import org.eclipse.ui.PartInitException;
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.actions.GlobalBuildAction;
>-import org.eclipse.ui.contentassist.ContentAssistHandler;
>+import org.eclipse.ui.fieldassist.ContentAssistField;
> import org.eclipse.ui.ide.IDE;
> import org.eclipse.ui.part.FileEditorInput;
> import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
> 
> import org.eclipse.search.ui.NewSearchUI;
> import org.eclipse.search.ui.text.Match;
>@@ -143,8 +140,13 @@
> 	// reuse editors stuff
> 	private IReusableEditor fEditor;
> 	private FileSearchPage fPage;
>-	private ContentAssistHandler fReplaceContentAssistHandler;
> 	private Label fStatusLabel;
>+	
>+	/**
>+	 * Decorated find and replace fields.
>+	 * @since 3.2
>+	 */
>+	private ContentAssistField fContentAssistReplaceField;
> 
> 	private boolean fSaved= false;
> 
>@@ -213,7 +215,7 @@
> 	}	
> 
> 	private void restoreAutobuild() throws CoreException {
>-		// this is only called if autobuild was on before.
>+		// this is only called if auto-build was on before.
> 		IWorkspace workspace= ResourcesPlugin.getWorkspace();
> 		IWorkspaceDescription description = workspace.getDescription();
> 		description.setAutoBuilding(true);
>@@ -261,10 +263,23 @@
> 		
> 		label= new Label(result, SWT.NONE);
> 		label.setText(SearchMessages.ReplaceDialog_with_label); 
>-		fTextField= new Combo(result, SWT.DROP_DOWN);
>+
>+		ComboContentAdapter contentAdapter= new ComboContentAdapter();
>+		RegExContentProposalProvider findProposer= new RegExContentProposalProvider(false);
>+		fContentAssistReplaceField= new ContentAssistField(result, SWT.DROP_DOWN | SWT.BORDER, 
>+				new IControlCreator() {
>+					public Control createControl(Composite controlParent, int style) {
>+						return new Combo(controlParent, SWT.DROP_DOWN);
>+					}
>+				}, 
>+				contentAdapter, findProposer, 
>+				ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS,
>+				new char[] {'\\', '[', '('});
>+		
>+		fTextField= (Combo)fContentAssistReplaceField.getControl(); 
> 		gd= new GridData(GridData.FILL_HORIZONTAL);
> 		gd.widthHint= convertWidthInCharsToPixels(50);
>-		fTextField.setLayoutData(gd);
>+		fContentAssistReplaceField.getLayoutControl().setLayoutData(gd);
> 		fTextField.setFocus();
> 		
> 		IDialogSettings settings= SearchPlugin.getDefault().getDialogSettings().getSection(SETTINGS_GROUP);
>@@ -754,38 +769,9 @@
> 		return fMarkers.size() > 0;
> 	}
> 	
>-	public static SubjectControlContentAssistant createContentAssistant(boolean isFind) {
>-		final SubjectControlContentAssistant contentAssistant= new SubjectControlContentAssistant();
>-		
>-		contentAssistant.setRestoreCompletionProposalSize(SearchPlugin.getDefault().getDialogSettings());
>-		
>-		IContentAssistProcessor processor= new RegExContentAssistProcessor(isFind);
>-		contentAssistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
>-		
>-		contentAssistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
>-		contentAssistant.setInformationControlCreator(new IInformationControlCreator() {
>-			/*
>-			 * @see org.eclipse.jface.text.IInformationControlCreator#createInformationControl(org.eclipse.swt.widgets.Shell)
>-			 */
>-			public IInformationControl createInformationControl(Shell parent) {
>-				return new DefaultInformationControl(parent);
>-			}});
>-		
>-		return contentAssistant;
>-	}
> 	
> 	private void setContentAssistsEnablement(boolean enable) {
>-		if (enable) {
>-			if (fReplaceContentAssistHandler == null) {
>-				fReplaceContentAssistHandler= ContentAssistHandler.createHandlerForCombo(fTextField, createContentAssistant(false));
>-			}
>-			fReplaceContentAssistHandler.setEnabled(true);
>-			
>-		} else {
>-			if (fReplaceContentAssistHandler == null)
>-				return;
>-			fReplaceContentAssistHandler.setEnabled(false);
>-		}
>+		fContentAssistReplaceField.setEnabled(enable);
> 	}
> 
> 	private void statusMessage(boolean error, String message) {
>Index: search/org/eclipse/search/internal/ui/text/TextSearchPage.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.search/search/org/eclipse/search/internal/ui/text/TextSearchPage.java,v
>retrieving revision 1.105
>diff -u -r1.105 TextSearchPage.java
>--- search/org/eclipse/search/internal/ui/text/TextSearchPage.java	28 Mar 2006 16:34:57 -0000	1.105
>+++ search/org/eclipse/search/internal/ui/text/TextSearchPage.java	30 Mar 2006 22:05:57 -0000
>@@ -40,6 +40,7 @@
> import org.eclipse.swt.widgets.Button;
> import org.eclipse.swt.widgets.Combo;
> import org.eclipse.swt.widgets.Composite;
>+import org.eclipse.swt.widgets.Control;
> import org.eclipse.swt.widgets.Display;
> import org.eclipse.swt.widgets.Label;
> 
>@@ -47,6 +48,9 @@
> import org.eclipse.jface.dialogs.DialogPage;
> import org.eclipse.jface.dialogs.ErrorDialog;
> import org.eclipse.jface.dialogs.IDialogSettings;
>+import org.eclipse.jface.fieldassist.ComboContentAdapter;
>+import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
>+import org.eclipse.jface.fieldassist.IControlCreator;
> import org.eclipse.jface.resource.JFaceColors;
> import org.eclipse.jface.viewers.ISelection;
> import org.eclipse.jface.viewers.IStructuredSelection;
>@@ -60,7 +64,8 @@
> import org.eclipse.ui.IWorkingSet;
> import org.eclipse.ui.IWorkingSetManager;
> import org.eclipse.ui.PlatformUI;
>-import org.eclipse.ui.contentassist.ContentAssistHandler;
>+import org.eclipse.ui.fieldassist.ContentAssistField;
>+import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
> 
> import org.eclipse.search.ui.IReplacePage;
> import org.eclipse.search.ui.ISearchPage;
>@@ -110,7 +115,12 @@
> 	private ISearchPageContainer fContainer;
> 	private FileTypeEditor fFileTypeEditor;
> 
>-	private ContentAssistHandler fReplaceContentAssistHandler;
>+	/**
>+	 * Decorated find and replace fields.
>+	 * @since 3.2
>+	 */
>+	private ContentAssistField fContentAssistFindField;
>+	
>     
> 	private static class SearchPatternData {
> 		public final boolean isCaseSensitive;
>@@ -494,7 +504,19 @@
> 		label.setFont(group.getFont());
> 
> 		// Pattern combo
>-		fPattern= new Combo(group, SWT.SINGLE | SWT.BORDER);
>+		ComboContentAdapter contentAdapter= new ComboContentAdapter();
>+		RegExContentProposalProvider findProposer= new RegExContentProposalProvider(true);
>+		fContentAssistFindField= new ContentAssistField(group, SWT.DROP_DOWN | SWT.BORDER, 
>+				new IControlCreator() {
>+					public Control createControl(Composite controlParent, int style) {
>+						return new Combo(controlParent, SWT.SINGLE | SWT.BORDER);
>+					}
>+				}, 
>+				contentAdapter, findProposer, 
>+				ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS,
>+				new char[] {'\\', '[', '('});
>+		fPattern= (Combo)fContentAssistFindField.getControl();
>+		
> 		// Not done here to prevent page from resizing
> 		// fPattern.setItems(getPreviousSearchPatterns());
> 		fPattern.addSelectionListener(new SelectionAdapter() {
>@@ -512,7 +534,7 @@
> 		fPattern.setFont(group.getFont());
> 		GridData data= new GridData(GridData.FILL, GridData.FILL, true, false, 1, 1);
> 		data.widthHint= convertWidthInCharsToPixels(50);
>-		fPattern.setLayoutData(data);
>+		fContentAssistFindField.getLayoutControl().setLayoutData(data);
> 		
> 		fIsCaseSensitiveCheckbox= new Button(group, SWT.CHECK);
> 		fIsCaseSensitiveCheckbox.setText(SearchMessages.SearchPage_caseSensitive); 
>@@ -651,6 +673,7 @@
> 		});
> 		GridData data= new GridData(GridData.FILL, GridData.FILL, true, false, 1, 1);
> 		data.widthHint= convertWidthInCharsToPixels(50);
>+		data.horizontalIndent= FieldDecorationRegistry.getDefault().getMaximumDecorationWidth();
> 		fExtensions.setLayoutData(data);
> 		fExtensions.setFont(group.getFont());
> 		
>@@ -765,16 +788,7 @@
> 	}
> 	
> 	private void setContentAssistsEnablement(boolean enable) {
>-		if (enable) {
>-			if (fReplaceContentAssistHandler == null) {
>-				fReplaceContentAssistHandler= ContentAssistHandler.createHandlerForCombo(fPattern, ReplaceDialog2.createContentAssistant(true));
>-			}
>-			fReplaceContentAssistHandler.setEnabled(true);
>-		} else {
>-			if (fReplaceContentAssistHandler == null)
>-				return;
>-			fReplaceContentAssistHandler.setEnabled(false);
>-		}
>+		fContentAssistFindField.setEnabled(enable);
> 	}
> 
> 	private void statusMessage(boolean error, String message) {
>Index: search/org/eclipse/search/internal/ui/text/RegExContentAssistProcessor.java
>===================================================================
>RCS file: search/org/eclipse/search/internal/ui/text/RegExContentAssistProcessor.java
>diff -N search/org/eclipse/search/internal/ui/text/RegExContentAssistProcessor.java
>--- search/org/eclipse/search/internal/ui/text/RegExContentAssistProcessor.java	17 Jun 2005 15:50:14 -0000	1.10
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,388 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2000, 2005 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.search.internal.ui.text;
>-
>-import java.util.ArrayList;
>-
>-import org.eclipse.jface.contentassist.IContentAssistSubjectControl;
>-import org.eclipse.jface.contentassist.ISubjectControlContentAssistProcessor;
>-import org.eclipse.jface.contentassist.SubjectControlContextInformationValidator;
>-import org.eclipse.jface.text.ITextViewer;
>-import org.eclipse.jface.text.contentassist.CompletionProposal;
>-import org.eclipse.jface.text.contentassist.ICompletionProposal;
>-import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
>-import org.eclipse.jface.text.contentassist.IContextInformation;
>-import org.eclipse.jface.text.contentassist.IContextInformationValidator;
>-
>-/**
>- * Content assist processor for regular expressions.
>- *
>- * @since 3.0
>- */
>-final class RegExContentAssistProcessor implements IContentAssistProcessor, ISubjectControlContentAssistProcessor {
>-
>-	/**
>-	 * Proposal computer.
>-	 */
>-	private static class ProposalComputer {
>-
>-		/**
>-		 * The whole regular expression.
>-		 */
>-		private final String fExpression;
>-		/**
>-		 * The document offset.
>-		 */
>-		private final int fDocumentOffset;
>-		/**
>-		 * The high-priority proposals.
>-		 */
>-		private final ArrayList fPriorityProposals;
>-		/**
>-		 * The low-priority proposals.
>-		 */
>-		private final ArrayList fProposals;
>-		/**
>-		 * <code>true</code> iff <code>fExpression</code> ends with an open escape.
>-		 */
>-		private final boolean fIsEscape;
>-
>-		/**
>-		 * Creates a new Proposal Computer.
>-		 * @param contentAssistSubjectControl the subject control
>-		 * @param documentOffset the offset
>-		 */
>-		public ProposalComputer(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) {
>-			fExpression= contentAssistSubjectControl.getDocument().get();
>-			fDocumentOffset= documentOffset;
>-			fPriorityProposals= new ArrayList();
>-			fProposals= new ArrayList();
>-			
>-			boolean isEscape= false;
>-			esc: for (int i= documentOffset - 1; i >= 0; i--) {
>-				if (fExpression.charAt(i) == '\\')
>-					isEscape= !isEscape;
>-				else
>-					break esc;
>-			}
>-			fIsEscape= isEscape;
>-		}
>-
>-		/**
>-		 * Computes applicable proposals for the find field.
>-		 * @return the proposals
>-		 */
>-		public ICompletionProposal[] computeFindProposals() {
>-			//characters
>-			addBsProposal("\\\\", RegExMessages.displayString_bs_bs, RegExMessages.additionalInfo_bs_bs); //$NON-NLS-1$
>-			addBracketProposal("\\0", 2, RegExMessages.displayString_bs_0, RegExMessages.additionalInfo_bs_0); //$NON-NLS-1$
>-			addBracketProposal("\\x", 2, RegExMessages.displayString_bs_x, RegExMessages.additionalInfo_bs_x); //$NON-NLS-1$
>-			addBracketProposal("\\u", 2, RegExMessages.displayString_bs_u, RegExMessages.additionalInfo_bs_u); //$NON-NLS-1$
>-			addBsProposal("\\t", RegExMessages.displayString_bs_t, RegExMessages.additionalInfo_bs_t); //$NON-NLS-1$
>-			addBsProposal("\\n", RegExMessages.displayString_bs_n, RegExMessages.additionalInfo_bs_n); //$NON-NLS-1$
>-			addBsProposal("\\r", RegExMessages.displayString_bs_r, RegExMessages.additionalInfo_bs_r); //$NON-NLS-1$
>-			addBsProposal("\\f", RegExMessages.displayString_bs_f, RegExMessages.additionalInfo_bs_f); //$NON-NLS-1$
>-			addBsProposal("\\a", RegExMessages.displayString_bs_a, RegExMessages.additionalInfo_bs_a); //$NON-NLS-1$
>-			addBsProposal("\\e", RegExMessages.displayString_bs_e, RegExMessages.additionalInfo_bs_e); //$NON-NLS-1$
>-			addBsProposal("\\c", RegExMessages.displayString_bs_c, RegExMessages.additionalInfo_bs_c); //$NON-NLS-1$
>-			
>-			if (! fIsEscape)
>-				addBracketProposal(".", 1, RegExMessages.displayString_dot, RegExMessages.additionalInfo_dot); //$NON-NLS-1$
>-			addBsProposal("\\d", RegExMessages.displayString_bs_d, RegExMessages.additionalInfo_bs_d); //$NON-NLS-1$
>-			addBsProposal("\\D", RegExMessages.displayString_bs_D, RegExMessages.additionalInfo_bs_D); //$NON-NLS-1$
>-			addBsProposal("\\s", RegExMessages.displayString_bs_s, RegExMessages.additionalInfo_bs_s); //$NON-NLS-1$
>-			addBsProposal("\\S", RegExMessages.displayString_bs_S, RegExMessages.additionalInfo_bs_S); //$NON-NLS-1$
>-			addBsProposal("\\w", RegExMessages.displayString_bs_w, RegExMessages.additionalInfo_bs_w); //$NON-NLS-1$
>-			addBsProposal("\\W", RegExMessages.displayString_bs_W, RegExMessages.additionalInfo_bs_W); //$NON-NLS-1$
>-			
>-			// backreference
>-			addBsProposal("\\", RegExMessages.displayString_bs_i, RegExMessages.additionalInfo_bs_i); //$NON-NLS-1$
>-			
>-			//quoting
>-			addBsProposal("\\", RegExMessages.displayString_bs, RegExMessages.additionalInfo_bs); //$NON-NLS-1$
>-			addBsProposal("\\Q", RegExMessages.displayString_bs_Q, RegExMessages.additionalInfo_bs_Q); //$NON-NLS-1$
>-			addBsProposal("\\E", RegExMessages.displayString_bs_E, RegExMessages.additionalInfo_bs_E); //$NON-NLS-1$
>-			
>-			//character sets
>-			if (! fIsEscape) {
>-				addBracketProposal("[]", 1, RegExMessages.displayString_set, RegExMessages.additionalInfo_set); //$NON-NLS-1$
>-				addBracketProposal("[^]", 2, RegExMessages.displayString_setExcl, RegExMessages.additionalInfo_setExcl); //$NON-NLS-1$
>-				addBracketProposal("[-]", 1, RegExMessages.displayString_setRange, RegExMessages.additionalInfo_setRange); //$NON-NLS-1$
>-				addProposal("&&", RegExMessages.displayString_setInter, RegExMessages.additionalInfo_setInter); //$NON-NLS-1$
>-			}
>-			if (! fIsEscape && fDocumentOffset > 0 && fExpression.charAt(fDocumentOffset - 1) == '\\') {
>-				addProposal("\\p{}", 3, RegExMessages.displayString_posix, RegExMessages.additionalInfo_posix); //$NON-NLS-1$
>-				addProposal("\\P{}", 3, RegExMessages.displayString_posixNot, RegExMessages.additionalInfo_posixNot); //$NON-NLS-1$
>-			} else {
>-				addBracketProposal("\\p{}", 3, RegExMessages.displayString_posix, RegExMessages.additionalInfo_posix); //$NON-NLS-1$
>-				addBracketProposal("\\P{}", 3, RegExMessages.displayString_posixNot, RegExMessages.additionalInfo_posixNot); //$NON-NLS-1$
>-			}
>-			
>-//			addBsProposal("\\p{Lower}", RegExMessages.displayString_bs_p{Lower}, RegExMessages.additionalInfo_bs_p{Lower}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Upper}", RegExMessages.displayString_bs_p{Upper}, RegExMessages.additionalInfo_bs_p{Upper}); //$NON-NLS-1$
>-//			addBsProposal("\\p{ASCII}", RegExMessages.displayString_bs_p{ASCII}, RegExMessages.additionalInfo_bs_p{ASCII}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Alpha}", RegExMessages.displayString_bs_p{Alpha}, RegExMessages.additionalInfo_bs_p{Alpha}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Digit}", RegExMessages.displayString_bs_p{Digit}, RegExMessages.additionalInfo_bs_p{Digit}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Alnum}", RegExMessages.displayString_bs_p{Alnum}, RegExMessages.additionalInfo_bs_p{Alnum}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Punct}", RegExMessages.displayString_bs_p{Punct}, RegExMessages.additionalInfo_bs_p{Punct}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Graph}", RegExMessages.displayString_bs_p{Graph}, RegExMessages.additionalInfo_bs_p{Graph}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Print}", RegExMessages.displayString_bs_p{Print}, RegExMessages.additionalInfo_bs_p{Print}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Blank}", RegExMessages.displayString_bs_p{Blank}, RegExMessages.additionalInfo_bs_p{Blank}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Cntrl}", RegExMessages.displayString_bs_p{Cntrl}, RegExMessages.additionalInfo_bs_p{Cntrl}); //$NON-NLS-1$
>-//			addBsProposal("\\p{XDigit}", RegExMessages.displayString_bs_p{XDigit}, RegExMessages.additionalInfo_bs_p{XDigit}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Space}", RegExMessages.displayString_bs_p{Space}, RegExMessages.additionalInfo_bs_p{Space}); //$NON-NLS-1$
>-//
>-//			addBsProposal("\\p{InGreek}", RegExMessages.displayString_bs_p{InGreek}, RegExMessages.additionalInfo_bs_p{InGreek}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Lu}", RegExMessages.displayString_bs_p{Lu}, RegExMessages.additionalInfo_bs_p{Lu}); //$NON-NLS-1$
>-//			addBsProposal("\\p{Sc}", RegExMessages.displayString_bs_p{Sc}, RegExMessages.additionalInfo_bs_p{Sc}); //$NON-NLS-1$
>-//			addBsProposal("\\P{InGreek}", RegExMessages.displayString_bs_P{InGreek}, RegExMessages.additionalInfo_bs_P{InGreek}); //$NON-NLS-1$
>-			
>-			//boundary matchers
>-			if (fDocumentOffset == 0) {
>-				addPriorityProposal("^", RegExMessages.displayString_start, RegExMessages.additionalInfo_start); //$NON-NLS-1$
>-			} else if (fDocumentOffset == 1 && fExpression.charAt(0) == '^') {
>-				addBracketProposal("^", 1, RegExMessages.displayString_start, RegExMessages.additionalInfo_start); //$NON-NLS-1$
>-			}
>-			if (fDocumentOffset == fExpression.length()) {
>-				addProposal("$", RegExMessages.displayString_end, RegExMessages.additionalInfo_end); //$NON-NLS-1$
>-			}
>-			addBsProposal("\\b", RegExMessages.displayString_bs_b, RegExMessages.additionalInfo_bs_b); //$NON-NLS-1$
>-			addBsProposal("\\B", RegExMessages.displayString_bs_B, RegExMessages.additionalInfo_bs_B); //$NON-NLS-1$
>-			addBsProposal("\\A", RegExMessages.displayString_bs_A, RegExMessages.additionalInfo_bs_A); //$NON-NLS-1$
>-			addBsProposal("\\G", RegExMessages.displayString_bs_G, RegExMessages.additionalInfo_bs_G); //$NON-NLS-1$
>-			addBsProposal("\\Z", RegExMessages.displayString_bs_Z, RegExMessages.additionalInfo_bs_Z); //$NON-NLS-1$
>-			addBsProposal("\\z", RegExMessages.displayString_bs_z, RegExMessages.additionalInfo_bs_z); //$NON-NLS-1$
>-			
>-			if (! fIsEscape) {
>-				//capturing groups
>-				addBracketProposal("()", 1, RegExMessages.displayString_group, RegExMessages.additionalInfo_group); //$NON-NLS-1$
>-				
>-				//flags
>-				addBracketProposal("(?)", 2, RegExMessages.displayString_flag, RegExMessages.additionalInfo_flag); //$NON-NLS-1$
>-				addBracketProposal("(?:)", 3, RegExMessages.displayString_flagExpr, RegExMessages.additionalInfo_flagExpr); //$NON-NLS-1$
>-			
>-				//noncapturing group
>-				addBracketProposal("(?:)", 3, RegExMessages.displayString_nonCap, RegExMessages.additionalInfo_nonCap); //$NON-NLS-1$
>-				addBracketProposal("(?>)", 3, RegExMessages.displayString_atomicCap, RegExMessages.additionalInfo_atomicCap); //$NON-NLS-1$
>-				
>-				//lookaraound
>-				addBracketProposal("(?=)", 3, RegExMessages.displayString_posLookahead, RegExMessages.additionalInfo_posLookahead); //$NON-NLS-1$
>-				addBracketProposal("(?!)", 3, RegExMessages.displayString_negLookahead, RegExMessages.additionalInfo_negLookahead); //$NON-NLS-1$
>-				addBracketProposal("(?<=)", 4, RegExMessages.displayString_posLookbehind, RegExMessages.additionalInfo_posLookbehind); //$NON-NLS-1$
>-				addBracketProposal("(?<!)", 4, RegExMessages.displayString_negLookbehind, RegExMessages.additionalInfo_negLookbehind); //$NON-NLS-1$
>-				
>-				//greedy quantifiers
>-				addBracketProposal("?", 1, RegExMessages.displayString_quest, RegExMessages.additionalInfo_quest); //$NON-NLS-1$
>-				addBracketProposal("*", 1, RegExMessages.displayString_star, RegExMessages.additionalInfo_star); //$NON-NLS-1$
>-				addBracketProposal("+", 1, RegExMessages.displayString_plus, RegExMessages.additionalInfo_plus); //$NON-NLS-1$
>-				addBracketProposal("{}", 1, RegExMessages.displayString_exact, RegExMessages.additionalInfo_exact); //$NON-NLS-1$
>-				addBracketProposal("{,}", 1, RegExMessages.displayString_least, RegExMessages.additionalInfo_least); //$NON-NLS-1$
>-				addBracketProposal("{,}", 1, RegExMessages.displayString_count, RegExMessages.additionalInfo_count); //$NON-NLS-1$
>-				
>-				//lazy quantifiers
>-				addBracketProposal("??", 1, RegExMessages.displayString_questLazy, RegExMessages.additionalInfo_questLazy); //$NON-NLS-1$
>-				addBracketProposal("*?", 1, RegExMessages.displayString_starLazy, RegExMessages.additionalInfo_starLazy); //$NON-NLS-1$
>-				addBracketProposal("+?", 1, RegExMessages.displayString_plusLazy, RegExMessages.additionalInfo_plusLazy); //$NON-NLS-1$
>-				addBracketProposal("{}?", 1, RegExMessages.displayString_exactLazy, RegExMessages.additionalInfo_exactLazy); //$NON-NLS-1$
>-				addBracketProposal("{,}?", 1, RegExMessages.displayString_leastLazy, RegExMessages.additionalInfo_leastLazy); //$NON-NLS-1$
>-				addBracketProposal("{,}?", 1, RegExMessages.displayString_countLazy, RegExMessages.additionalInfo_countLazy); //$NON-NLS-1$
>-				
>-				//possessive quantifiers
>-				addBracketProposal("?+", 1, RegExMessages.displayString_questPoss, RegExMessages.additionalInfo_questPoss); //$NON-NLS-1$
>-				addBracketProposal("*+", 1, RegExMessages.displayString_starPoss, RegExMessages.additionalInfo_starPoss); //$NON-NLS-1$
>-				addBracketProposal("++", 1, RegExMessages.displayString_plusPoss, RegExMessages.additionalInfo_plusPoss); //$NON-NLS-1$
>-				addBracketProposal("{}+", 1, RegExMessages.displayString_exactPoss, RegExMessages.additionalInfo_exactPoss); //$NON-NLS-1$
>-				addBracketProposal("{,}+", 1, RegExMessages.displayString_leastPoss, RegExMessages.additionalInfo_leastPoss); //$NON-NLS-1$
>-				addBracketProposal("{,}+", 1, RegExMessages.displayString_countPoss, RegExMessages.additionalInfo_countPoss); //$NON-NLS-1$
>-				
>-				//alternative
>-				addBracketProposal("|", 1, RegExMessages.displayString_alt, RegExMessages.additionalInfo_alt); //$NON-NLS-1$
>-			}
>-			
>-			fPriorityProposals.addAll(fProposals);
>-			return (ICompletionProposal[]) fPriorityProposals.toArray(new ICompletionProposal[fProposals.size()]);
>-		}
>-
>-		/**
>-		 * Computes applicable proposals for the replace field.
>-		 * @return the proposals
>-		 */
>-		public ICompletionProposal[] computeReplaceProposals() {
>-			if (fDocumentOffset > 0 && '$' == fExpression.charAt(fDocumentOffset - 1)) {
>-				addProposal("", RegExMessages.displayString_dollar, RegExMessages.additionalInfo_dollar); //$NON-NLS-1$
>-			} else {
>-				addProposal("$", RegExMessages.displayString_dollar, RegExMessages.additionalInfo_dollar); //$NON-NLS-1$
>-				addBsProposal("\\", RegExMessages.displayString_replace_bs, RegExMessages.additionalInfo_replace_bs); //$NON-NLS-1$
>-				addProposal("\t", RegExMessages.displayString_tab, RegExMessages.additionalInfo_tab); //$NON-NLS-1$
>-			}
>-			return (ICompletionProposal[]) fProposals.toArray(new ICompletionProposal[fProposals.size()]);
>-		}
>-		
>-		/**
>-		 * Adds a proposal.
>-		 * 
>-		 * @param proposal the string to be inserted
>-		 * @param displayString the proposal's label
>-		 * @param additionalInfo the additional information
>-		 */
>-		private void addProposal(String proposal, String displayString, String additionalInfo) {
>-			fProposals.add(new CompletionProposal(proposal, fDocumentOffset, 0, proposal.length(), null, displayString, null, additionalInfo));
>-		}
>-
>-		/**
>-		 * Adds a proposal.
>-		 * 
>-		 * @param proposal the string to be inserted
>-		 * @param cursorPosition the cursor position after insertion,
>-		 * 		relative to the start of the proposal
>-		 * @param displayString the proposal's label
>-		 * @param additionalInfo the additional information
>-		 */
>-		private void addProposal(String proposal, int cursorPosition, String displayString, String additionalInfo) {
>-			fProposals.add(new CompletionProposal(proposal, fDocumentOffset, 0, cursorPosition, null, displayString, null, additionalInfo));
>-		}
>-
>-		/**
>-		 * Adds a proposal to the priority proposals list.
>-		 * 
>-		 * @param proposal the string to be inserted
>-		 * @param displayString the proposal's label
>-		 * @param additionalInfo the additional information
>-		 */
>-		private void addPriorityProposal(String proposal, String displayString, String additionalInfo) {
>-			fPriorityProposals.add(new CompletionProposal(proposal, fDocumentOffset, 0, proposal.length(), null, displayString, null, additionalInfo));
>-		}
>-		
>-		/**
>-		 * Adds a proposal. Ensures that existing pre- and postfixes are not duplicated.
>-		 * 
>-		 * @param proposal the string to be inserted
>-		 * @param cursorPosition the cursor position after insertion,
>-		 * 		relative to the start of the proposal
>-		 * @param displayString the proposal's label
>-		 * @param additionalInfo the additional information
>-		 */
>-		private void addBracketProposal(String proposal, int cursorPosition, String displayString, String additionalInfo) {
>-			String prolog= fExpression.substring(0, fDocumentOffset);
>-			if (! fIsEscape && prolog.endsWith("\\") && proposal.startsWith("\\")) { //$NON-NLS-1$//$NON-NLS-2$
>-				fProposals.add(new CompletionProposal(proposal, fDocumentOffset, 0, cursorPosition, null, displayString, null, additionalInfo));
>-				return;
>-			}
>-			for (int i= 1; i <= cursorPosition; i++) {
>-				String prefix= proposal.substring(0, i);
>-				if (prolog.endsWith(prefix)) {
>-					String postfix= proposal.substring(cursorPosition);
>-					String epilog= fExpression.substring(fDocumentOffset);
>-					if (epilog.startsWith(postfix)) {
>-						fPriorityProposals.add(new CompletionProposal(proposal.substring(i, cursorPosition), fDocumentOffset, 0, cursorPosition - i, null, displayString, null, additionalInfo));
>-					} else {
>-						fPriorityProposals.add(new CompletionProposal(proposal.substring(i), fDocumentOffset, 0, cursorPosition - i, null, displayString, null, additionalInfo));
>-					}
>-					return;
>-				}
>-			}
>-			fProposals.add(new CompletionProposal(proposal, fDocumentOffset, 0, cursorPosition, null, displayString, null, additionalInfo));
>-		}
>-
>-		/**
>-		 * Adds a proposal that starts with a backslash.
>-		 * 
>-		 * @param proposal the string to be inserted
>-		 * @param displayString the proposal's label
>-		 * @param additionalInfo the additional information
>-		 */
>-		private void addBsProposal(String proposal, String displayString, String additionalInfo) {
>-			if (fIsEscape) {
>-				fPriorityProposals.add(new CompletionProposal(proposal.substring(1), fDocumentOffset, 0, proposal.length() - 1, null, displayString, null, additionalInfo));
>-			} else {
>-				addProposal(proposal, displayString, additionalInfo);
>-			}
>-		}
>-	}
>-
>-	/**
>-	 * The context information validator.
>-	 */
>-	private IContextInformationValidator fValidator= new SubjectControlContextInformationValidator(this);
>-
>-	/**
>-	 * <code>true</code> iff the processor is for the find field.
>-	 * <code>false</code> iff the processor is for the replace field.
>-	 */
>-	private final boolean fIsFind;
>-	
>-	public RegExContentAssistProcessor(boolean isFind) {
>-		fIsFind= isFind;
>-	}
>-	
>-	/*
>-	 * @see IContentAssistProcessor#computeCompletionProposals(ITextViewer, int)
>-	 */
>-	public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
>-		throw new UnsupportedOperationException("ITextViewer not supported"); //$NON-NLS-1$
>-	}
>-
>-	/*
>-	 * @see IContentAssistProcessor#computeContextInformation(ITextViewer, int)
>-	 */
>-	public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) {
>-		throw new UnsupportedOperationException("ITextViewer not supported"); //$NON-NLS-1$
>-	}
>-
>-	/*
>-	 * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
>-	 */
>-	public char[] getCompletionProposalAutoActivationCharacters() {
>-		if (fIsFind)
>-			return new char[] {'\\', '[', '('};
>-		
>-		return new char[] {'$'};
>-	}
>-
>-	/*
>-	 * @see IContentAssistProcessor#getContextInformationAutoActivationCharacters()
>-	 */
>-	public char[] getContextInformationAutoActivationCharacters() {
>-		return new char[] { };
>-	}
>-
>-	/*
>-	 * @see IContentAssistProcessor#getContextInformationValidator()
>-	 */
>-	public IContextInformationValidator getContextInformationValidator() {
>-		return fValidator;
>-	}
>-
>-	/*
>-	 * @see IContentAssistProcessor#getErrorMessage()
>-	 */
>-	public String getErrorMessage() {
>-		return null;
>-	}
>-
>-	/*
>-	 * @see ISubjectControlContentAssistProcessor#computeCompletionProposals(IContentAssistSubjectControl, int)
>-	 */
>-	public ICompletionProposal[] computeCompletionProposals(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) {
>-		if (fIsFind)
>-			return new ProposalComputer(contentAssistSubjectControl, documentOffset).computeFindProposals();
>-		
>-		return new ProposalComputer(contentAssistSubjectControl, documentOffset).computeReplaceProposals();
>-	}
>-
>-	/*
>-	 * @see ISubjectControlContentAssistProcessor#computeContextInformation(IContentAssistSubjectControl, int)
>-	 */
>-	public IContextInformation[] computeContextInformation(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) {
>-		return null;
>-	}
>-}
>Index: search/org/eclipse/search/internal/ui/text/RegExContentProposalProvider.java
>===================================================================
>RCS file: search/org/eclipse/search/internal/ui/text/RegExContentProposalProvider.java
>diff -N search/org/eclipse/search/internal/ui/text/RegExContentProposalProvider.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ search/org/eclipse/search/internal/ui/text/RegExContentProposalProvider.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,375 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006 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.search.internal.ui.text;
>+
>+import java.util.ArrayList;
>+
>+import org.eclipse.jface.fieldassist.IContentProposal;
>+import org.eclipse.jface.fieldassist.IContentProposalProvider;
>+
>+/**
>+ * Content assist proposal provider for regular expressions.
>+ * <p>
>+ * Note: Replaces <code>RegExContentAssistProcessor</code> which was introduced in 3.0.
>+ * </p>
>+ *
>+ * @since 3.2
>+ */
>+final class RegExContentProposalProvider implements IContentProposalProvider {
>+
>+	
>+	/**
>+	 * Proposal computer.
>+	 */
>+	private static class ProposalComputer {
>+
>+		private static class Proposal implements IContentProposal {
>+			
>+			private String fContent;
>+			private String fLabel;
>+			private String fDescription;
>+			private int fCursorPosition;
>+			
>+			Proposal(String content, String label, String description, int cursorPosition) {
>+				fContent= content;
>+				fLabel= label;
>+				fDescription= description;
>+				fCursorPosition= cursorPosition;
>+			}
>+			
>+			public String getContent() {
>+				return fContent;
>+			}
>+			
>+			public String getLabel() {
>+				return fLabel;
>+			}
>+			
>+			public String getDescription() {
>+				return fDescription;
>+			}
>+			
>+			public int getCursorPosition() {
>+				return fCursorPosition;
>+			}
>+		}
>+		
>+
>+		/**
>+		 * The whole regular expression.
>+		 */
>+		private final String fExpression;
>+		/**
>+		 * The document offset.
>+		 */
>+		private final int fDocumentOffset;
>+		/**
>+		 * The high-priority proposals.
>+		 */
>+		private final ArrayList fPriorityProposals;
>+		/**
>+		 * The low-priority proposals.
>+		 */
>+		private final ArrayList fProposals;
>+		/**
>+		 * <code>true</code> iff <code>fExpression</code> ends with an open escape.
>+		 */
>+		private final boolean fIsEscape;
>+
>+		/**
>+		 * Creates a new Proposal Computer.
>+		 * @param contents the contents of the the subject control
>+		 * @param position the cursor position
>+		 */
>+		public ProposalComputer(String contents, int position) {
>+			fExpression= contents;
>+			fDocumentOffset= position;
>+			fPriorityProposals= new ArrayList();
>+			fProposals= new ArrayList();
>+			
>+			boolean isEscape= false;
>+			esc: for (int i= position - 1; i >= 0; i--) {
>+				if (fExpression.charAt(i) == '\\')
>+					isEscape= !isEscape;
>+				else
>+					break esc;
>+			}
>+			fIsEscape= isEscape;
>+		}
>+
>+		/**
>+		 * Computes applicable proposals for the find field.
>+		 * @return the proposals
>+		 */
>+		public IContentProposal[] computeFindProposals() {
>+			//characters
>+			addBsProposal("\\\\", RegExMessages.displayString_bs_bs, RegExMessages.additionalInfo_bs_bs); //$NON-NLS-1$
>+			addBracketProposal("\\0", 2, RegExMessages.displayString_bs_0, RegExMessages.additionalInfo_bs_0); //$NON-NLS-1$
>+			addBracketProposal("\\x", 2, RegExMessages.displayString_bs_x, RegExMessages.additionalInfo_bs_x); //$NON-NLS-1$
>+			addBracketProposal("\\u", 2, RegExMessages.displayString_bs_u, RegExMessages.additionalInfo_bs_u); //$NON-NLS-1$
>+			addBsProposal("\\t", RegExMessages.displayString_bs_t, RegExMessages.additionalInfo_bs_t); //$NON-NLS-1$
>+			addBsProposal("\\n", RegExMessages.displayString_bs_n, RegExMessages.additionalInfo_bs_n); //$NON-NLS-1$
>+			addBsProposal("\\r", RegExMessages.displayString_bs_r, RegExMessages.additionalInfo_bs_r); //$NON-NLS-1$
>+			addBsProposal("\\f", RegExMessages.displayString_bs_f, RegExMessages.additionalInfo_bs_f); //$NON-NLS-1$
>+			addBsProposal("\\a", RegExMessages.displayString_bs_a, RegExMessages.additionalInfo_bs_a); //$NON-NLS-1$
>+			addBsProposal("\\e", RegExMessages.displayString_bs_e, RegExMessages.additionalInfo_bs_e); //$NON-NLS-1$
>+			addBsProposal("\\c", RegExMessages.displayString_bs_c, RegExMessages.additionalInfo_bs_c); //$NON-NLS-1$
>+			
>+			if (! fIsEscape)
>+				addBracketProposal(".", 1, RegExMessages.displayString_dot, RegExMessages.additionalInfo_dot); //$NON-NLS-1$
>+			addBsProposal("\\d", RegExMessages.displayString_bs_d, RegExMessages.additionalInfo_bs_d); //$NON-NLS-1$
>+			addBsProposal("\\D", RegExMessages.displayString_bs_D, RegExMessages.additionalInfo_bs_D); //$NON-NLS-1$
>+			addBsProposal("\\s", RegExMessages.displayString_bs_s, RegExMessages.additionalInfo_bs_s); //$NON-NLS-1$
>+			addBsProposal("\\S", RegExMessages.displayString_bs_S, RegExMessages.additionalInfo_bs_S); //$NON-NLS-1$
>+			addBsProposal("\\w", RegExMessages.displayString_bs_w, RegExMessages.additionalInfo_bs_w); //$NON-NLS-1$
>+			addBsProposal("\\W", RegExMessages.displayString_bs_W, RegExMessages.additionalInfo_bs_W); //$NON-NLS-1$
>+			
>+			// back reference
>+			addBsProposal("\\", RegExMessages.displayString_bs_i, RegExMessages.additionalInfo_bs_i); //$NON-NLS-1$
>+			
>+			//quoting
>+			addBsProposal("\\", RegExMessages.displayString_bs, RegExMessages.additionalInfo_bs); //$NON-NLS-1$
>+			addBsProposal("\\Q", RegExMessages.displayString_bs_Q, RegExMessages.additionalInfo_bs_Q); //$NON-NLS-1$
>+			addBsProposal("\\E", RegExMessages.displayString_bs_E, RegExMessages.additionalInfo_bs_E); //$NON-NLS-1$
>+			
>+			//character sets
>+			if (! fIsEscape) {
>+				addBracketProposal("[]", 1, RegExMessages.displayString_set, RegExMessages.additionalInfo_set); //$NON-NLS-1$
>+				addBracketProposal("[^]", 2, RegExMessages.displayString_setExcl, RegExMessages.additionalInfo_setExcl); //$NON-NLS-1$
>+				addBracketProposal("[-]", 1, RegExMessages.displayString_setRange, RegExMessages.additionalInfo_setRange); //$NON-NLS-1$
>+				addProposal("&&", RegExMessages.displayString_setInter, RegExMessages.additionalInfo_setInter); //$NON-NLS-1$
>+			}
>+			if (! fIsEscape && fDocumentOffset > 0 && fExpression.charAt(fDocumentOffset - 1) == '\\') {
>+				addProposal("\\p{}", 3, RegExMessages.displayString_posix, RegExMessages.additionalInfo_posix); //$NON-NLS-1$
>+				addProposal("\\P{}", 3, RegExMessages.displayString_posixNot, RegExMessages.additionalInfo_posixNot); //$NON-NLS-1$
>+			} else {
>+				addBracketProposal("\\p{}", 3, RegExMessages.displayString_posix, RegExMessages.additionalInfo_posix); //$NON-NLS-1$
>+				addBracketProposal("\\P{}", 3, RegExMessages.displayString_posixNot, RegExMessages.additionalInfo_posixNot); //$NON-NLS-1$
>+			}
>+			
>+//			addBsProposal("\\p{Lower}", RegExMessages.displayString_bs_p{Lower}, RegExMessages.additionalInfo_bs_p{Lower}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Upper}", RegExMessages.displayString_bs_p{Upper}, RegExMessages.additionalInfo_bs_p{Upper}); //$NON-NLS-1$
>+//			addBsProposal("\\p{ASCII}", RegExMessages.displayString_bs_p{ASCII}, RegExMessages.additionalInfo_bs_p{ASCII}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Alpha}", RegExMessages.displayString_bs_p{Alpha}, RegExMessages.additionalInfo_bs_p{Alpha}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Digit}", RegExMessages.displayString_bs_p{Digit}, RegExMessages.additionalInfo_bs_p{Digit}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Alnum}", RegExMessages.displayString_bs_p{Alnum}, RegExMessages.additionalInfo_bs_p{Alnum}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Punct}", RegExMessages.displayString_bs_p{Punct}, RegExMessages.additionalInfo_bs_p{Punct}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Graph}", RegExMessages.displayString_bs_p{Graph}, RegExMessages.additionalInfo_bs_p{Graph}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Print}", RegExMessages.displayString_bs_p{Print}, RegExMessages.additionalInfo_bs_p{Print}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Blank}", RegExMessages.displayString_bs_p{Blank}, RegExMessages.additionalInfo_bs_p{Blank}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Cntrl}", RegExMessages.displayString_bs_p{Cntrl}, RegExMessages.additionalInfo_bs_p{Cntrl}); //$NON-NLS-1$
>+//			addBsProposal("\\p{XDigit}", RegExMessages.displayString_bs_p{XDigit}, RegExMessages.additionalInfo_bs_p{XDigit}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Space}", RegExMessages.displayString_bs_p{Space}, RegExMessages.additionalInfo_bs_p{Space}); //$NON-NLS-1$
>+//
>+//			addBsProposal("\\p{InGreek}", RegExMessages.displayString_bs_p{InGreek}, RegExMessages.additionalInfo_bs_p{InGreek}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Lu}", RegExMessages.displayString_bs_p{Lu}, RegExMessages.additionalInfo_bs_p{Lu}); //$NON-NLS-1$
>+//			addBsProposal("\\p{Sc}", RegExMessages.displayString_bs_p{Sc}, RegExMessages.additionalInfo_bs_p{Sc}); //$NON-NLS-1$
>+//			addBsProposal("\\P{InGreek}", RegExMessages.displayString_bs_P{InGreek}, RegExMessages.additionalInfo_bs_P{InGreek}); //$NON-NLS-1$
>+			
>+			//boundary matchers
>+			if (fDocumentOffset == 0) {
>+				addPriorityProposal("^", RegExMessages.displayString_start, RegExMessages.additionalInfo_start); //$NON-NLS-1$
>+			} else if (fDocumentOffset == 1 && fExpression.charAt(0) == '^') {
>+				addBracketProposal("^", 1, RegExMessages.displayString_start, RegExMessages.additionalInfo_start); //$NON-NLS-1$
>+			}
>+			if (fDocumentOffset == fExpression.length()) {
>+				addProposal("$", RegExMessages.displayString_end, RegExMessages.additionalInfo_end); //$NON-NLS-1$
>+			}
>+			addBsProposal("\\b", RegExMessages.displayString_bs_b, RegExMessages.additionalInfo_bs_b); //$NON-NLS-1$
>+			addBsProposal("\\B", RegExMessages.displayString_bs_B, RegExMessages.additionalInfo_bs_B); //$NON-NLS-1$
>+			addBsProposal("\\A", RegExMessages.displayString_bs_A, RegExMessages.additionalInfo_bs_A); //$NON-NLS-1$
>+			addBsProposal("\\G", RegExMessages.displayString_bs_G, RegExMessages.additionalInfo_bs_G); //$NON-NLS-1$
>+			addBsProposal("\\Z", RegExMessages.displayString_bs_Z, RegExMessages.additionalInfo_bs_Z); //$NON-NLS-1$
>+			addBsProposal("\\z", RegExMessages.displayString_bs_z, RegExMessages.additionalInfo_bs_z); //$NON-NLS-1$
>+			
>+			if (! fIsEscape) {
>+				//capturing groups
>+				addBracketProposal("()", 1, RegExMessages.displayString_group, RegExMessages.additionalInfo_group); //$NON-NLS-1$
>+				
>+				//flags
>+				addBracketProposal("(?)", 2, RegExMessages.displayString_flag, RegExMessages.additionalInfo_flag); //$NON-NLS-1$
>+				addBracketProposal("(?:)", 3, RegExMessages.displayString_flagExpr, RegExMessages.additionalInfo_flagExpr); //$NON-NLS-1$
>+			
>+				//non-capturing group
>+				addBracketProposal("(?:)", 3, RegExMessages.displayString_nonCap, RegExMessages.additionalInfo_nonCap); //$NON-NLS-1$
>+				addBracketProposal("(?>)", 3, RegExMessages.displayString_atomicCap, RegExMessages.additionalInfo_atomicCap); //$NON-NLS-1$
>+				
>+				//lookaraound
>+				addBracketProposal("(?=)", 3, RegExMessages.displayString_posLookahead, RegExMessages.additionalInfo_posLookahead); //$NON-NLS-1$
>+				addBracketProposal("(?!)", 3, RegExMessages.displayString_negLookahead, RegExMessages.additionalInfo_negLookahead); //$NON-NLS-1$
>+				addBracketProposal("(?<=)", 4, RegExMessages.displayString_posLookbehind, RegExMessages.additionalInfo_posLookbehind); //$NON-NLS-1$
>+				addBracketProposal("(?<!)", 4, RegExMessages.displayString_negLookbehind, RegExMessages.additionalInfo_negLookbehind); //$NON-NLS-1$
>+				
>+				//greedy quantifiers
>+				addBracketProposal("?", 1, RegExMessages.displayString_quest, RegExMessages.additionalInfo_quest); //$NON-NLS-1$
>+				addBracketProposal("*", 1, RegExMessages.displayString_star, RegExMessages.additionalInfo_star); //$NON-NLS-1$
>+				addBracketProposal("+", 1, RegExMessages.displayString_plus, RegExMessages.additionalInfo_plus); //$NON-NLS-1$
>+				addBracketProposal("{}", 1, RegExMessages.displayString_exact, RegExMessages.additionalInfo_exact); //$NON-NLS-1$
>+				addBracketProposal("{,}", 1, RegExMessages.displayString_least, RegExMessages.additionalInfo_least); //$NON-NLS-1$
>+				addBracketProposal("{,}", 1, RegExMessages.displayString_count, RegExMessages.additionalInfo_count); //$NON-NLS-1$
>+				
>+				//lazy quantifiers
>+				addBracketProposal("??", 1, RegExMessages.displayString_questLazy, RegExMessages.additionalInfo_questLazy); //$NON-NLS-1$
>+				addBracketProposal("*?", 1, RegExMessages.displayString_starLazy, RegExMessages.additionalInfo_starLazy); //$NON-NLS-1$
>+				addBracketProposal("+?", 1, RegExMessages.displayString_plusLazy, RegExMessages.additionalInfo_plusLazy); //$NON-NLS-1$
>+				addBracketProposal("{}?", 1, RegExMessages.displayString_exactLazy, RegExMessages.additionalInfo_exactLazy); //$NON-NLS-1$
>+				addBracketProposal("{,}?", 1, RegExMessages.displayString_leastLazy, RegExMessages.additionalInfo_leastLazy); //$NON-NLS-1$
>+				addBracketProposal("{,}?", 1, RegExMessages.displayString_countLazy, RegExMessages.additionalInfo_countLazy); //$NON-NLS-1$
>+				
>+				//possessive quantifiers
>+				addBracketProposal("?+", 1, RegExMessages.displayString_questPoss, RegExMessages.additionalInfo_questPoss); //$NON-NLS-1$
>+				addBracketProposal("*+", 1, RegExMessages.displayString_starPoss, RegExMessages.additionalInfo_starPoss); //$NON-NLS-1$
>+				addBracketProposal("++", 1, RegExMessages.displayString_plusPoss, RegExMessages.additionalInfo_plusPoss); //$NON-NLS-1$
>+				addBracketProposal("{}+", 1, RegExMessages.displayString_exactPoss, RegExMessages.additionalInfo_exactPoss); //$NON-NLS-1$
>+				addBracketProposal("{,}+", 1, RegExMessages.displayString_leastPoss, RegExMessages.additionalInfo_leastPoss); //$NON-NLS-1$
>+				addBracketProposal("{,}+", 1, RegExMessages.displayString_countPoss, RegExMessages.additionalInfo_countPoss); //$NON-NLS-1$
>+				
>+				//alternative
>+				addBracketProposal("|", 1, RegExMessages.displayString_alt, RegExMessages.additionalInfo_alt); //$NON-NLS-1$
>+			}
>+			
>+			fPriorityProposals.addAll(fProposals);
>+			return (IContentProposal[]) fPriorityProposals.toArray(new IContentProposal[fProposals.size()]);
>+		}
>+
>+		/**
>+		 * Computes applicable proposals for the replace field.
>+		 * @return the proposals
>+		 */
>+		public IContentProposal[] computeReplaceProposals() {
>+			if (fDocumentOffset > 0 && '$' == fExpression.charAt(fDocumentOffset - 1)) {
>+				addProposal("", RegExMessages.displayString_dollar, RegExMessages.additionalInfo_dollar); //$NON-NLS-1$
>+			} else {
>+				addProposal("$", RegExMessages.displayString_dollar, RegExMessages.additionalInfo_dollar); //$NON-NLS-1$
>+				addBsProposal("\\", RegExMessages.displayString_replace_bs, RegExMessages.additionalInfo_replace_bs); //$NON-NLS-1$
>+				addProposal("\t", RegExMessages.displayString_tab, RegExMessages.additionalInfo_tab); //$NON-NLS-1$
>+			}
>+			return (IContentProposal[]) fProposals.toArray(new IContentProposal[fProposals.size()]);
>+		}
>+		
>+		/**
>+		 * Adds a proposal.
>+		 * 
>+		 * @param proposal the string to be inserted
>+		 * @param displayString the proposal's label
>+		 * @param additionalInfo the additional information
>+		 */
>+		private void addProposal(String proposal, String displayString, String additionalInfo) {
>+			fProposals.add(new Proposal(proposal, displayString, additionalInfo, proposal.length()));
>+		}
>+
>+		/**
>+		 * Adds a proposal.
>+		 * 
>+		 * @param proposal the string to be inserted
>+		 * @param cursorPosition the cursor position after insertion,
>+		 * 		relative to the start of the proposal
>+		 * @param displayString the proposal's label
>+		 * @param additionalInfo the additional information
>+		 */
>+		private void addProposal(String proposal, int cursorPosition, String displayString, String additionalInfo) {
>+			fProposals.add(new Proposal(proposal, displayString, additionalInfo, cursorPosition));
>+		}
>+
>+		/**
>+		 * Adds a proposal to the priority proposals list.
>+		 * 
>+		 * @param proposal the string to be inserted
>+		 * @param displayString the proposal's label
>+		 * @param additionalInfo the additional information
>+		 */
>+		private void addPriorityProposal(String proposal, String displayString, String additionalInfo) {
>+			fPriorityProposals.add(new Proposal(proposal, displayString, additionalInfo, proposal.length()));
>+		}
>+		
>+		/**
>+		 * Adds a proposal. Ensures that existing pre- and postfixes are not duplicated.
>+		 * 
>+		 * @param proposal the string to be inserted
>+		 * @param cursorPosition the cursor position after insertion,
>+		 * 		relative to the start of the proposal
>+		 * @param displayString the proposal's label
>+		 * @param additionalInfo the additional information
>+		 */
>+		private void addBracketProposal(String proposal, int cursorPosition, String displayString, String additionalInfo) {
>+			String prolog= fExpression.substring(0, fDocumentOffset);
>+			if (! fIsEscape && prolog.endsWith("\\") && proposal.startsWith("\\")) { //$NON-NLS-1$//$NON-NLS-2$
>+				fProposals.add(new Proposal(proposal, displayString, additionalInfo, cursorPosition));
>+				return;
>+			}
>+			for (int i= 1; i <= cursorPosition; i++) {
>+				String prefix= proposal.substring(0, i);
>+				if (prolog.endsWith(prefix)) {
>+					String postfix= proposal.substring(cursorPosition);
>+					String epilog= fExpression.substring(fDocumentOffset);
>+					if (epilog.startsWith(postfix)) {
>+						fPriorityProposals.add(new Proposal(proposal.substring(i, cursorPosition), displayString, additionalInfo, cursorPosition-i));
>+					} else {
>+						fPriorityProposals.add(new Proposal(proposal.substring(i), displayString, additionalInfo, cursorPosition-i));
>+					}
>+					return;
>+				}
>+			}
>+			fProposals.add(new Proposal(proposal, displayString, additionalInfo, cursorPosition));
>+		}
>+
>+		/**
>+		 * Adds a proposal that starts with a backslash.
>+		 * Ensures that the backslash is not repeated if already typed.
>+		 * 
>+		 * @param proposal the string to be inserted
>+		 * @param displayString the proposal's label
>+		 * @param additionalInfo the additional information
>+		 */
>+		private void addBsProposal(String proposal, String displayString, String additionalInfo) {
>+			String prolog= fExpression.substring(0, fDocumentOffset);
>+			int position= proposal.length();
>+			// If the string already contains the backslash, do not include in the proposal
>+			if (prolog.endsWith("\\")) { //$NON-NLS-1$
>+				position--;
>+				proposal= proposal.substring(1);
>+			}
>+
>+			if (fIsEscape) {
>+				fPriorityProposals.add(new Proposal(proposal, displayString, additionalInfo, position));
>+			} else {
>+				addProposal(proposal, position, displayString, additionalInfo);
>+			}
>+		}
>+	}
>+	
>+	/**
>+	 * <code>true</code> iff the processor is for the find field.
>+	 * <code>false</code> iff the processor is for the replace field.
>+	 */
>+	private final boolean fIsFind;
>+	
>+
>+	/**
>+	 * Creates a new completion proposal provider.
>+	 * 
>+	 * @param isFind <code>true</code> if the provider is used for the 'find' field
>+	 * 					<code>false</code> if the provider is used for the 'reaplce' field
>+	 */
>+	public RegExContentProposalProvider(boolean isFind) {
>+		fIsFind= isFind;
>+	}
>+	
>+	/*
>+	 * @see org.eclipse.jface.fieldassist.IContentProposalProvider#getProposals(java.lang.String, int)
>+	 */
>+	public IContentProposal [] getProposals(String contents, int position) {
>+		if (fIsFind)
>+			return new ProposalComputer(contents, position).computeFindProposals();
>+		return new ProposalComputer(contents, position).computeReplaceProposals();
>+	}
>+}

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Attachments on bug 132833: 36740 | 36836 | 36855 | 37362