mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-22 14:12:10 +02:00
patch for 143453 by Vivian Kong
This commit is contained in:
Chris Recoskie
parent
ebe95805cd
commit
98de9fd872
8 changed files with 384 additions and 41 deletions
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@ -24,6 +24,8 @@ perspective.name=C/C++
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viewsCategory.name=&C/C++
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CView.name=C/C++ Projects
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ToggleCommentAction.label= Togg&le Comment
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AddBlockCommentAction.label= Add &Block Comment
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RemoveBlockCommentAction.label= Remove Bloc&k Comment
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@ -84,6 +86,9 @@ ActionDefinition.comment.description= Turn the selected lines into // style comm
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ActionDefinition.uncomment.name= Uncomment
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ActionDefinition.uncomment.description= Uncomment the selected // style comment lines
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ActionDefinition.toggleComment.name= Toggle Comment
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ActionDefinition.toggleComment.description= Toggle comment the selected lines
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ActionDefinition.opendecl.name= Open Declaration
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ActionDefinition.opendecl.description= Open an editor on the selected element's declaration(s)
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@ -852,17 +852,12 @@
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sequence="M1+M2+F"
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schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"
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contextId="org.eclipse.cdt.ui.cEditorScope"
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commandId="org.eclipse.cdt.ui.edit.text.c.format"/>
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commandId="org.eclipse.cdt.ui.edit.text.c.format"/>
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<key
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sequence="M1+/"
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schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"
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contextId="org.eclipse.cdt.ui.cEditorScope"
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commandId="org.eclipse.cdt.ui.edit.text.c.comment"/>
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<key
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sequence="M1+\"
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contextId="org.eclipse.cdt.ui.cEditorScope"
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commandId="org.eclipse.cdt.ui.edit.text.c.uncomment"
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schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"/>
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commandId="org.eclipse.cdt.ui.edit.text.c.toggle.comment"/>
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<key
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sequence="M1+M2+/"
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contextId="org.eclipse.cdt.ui.cEditorScope"
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@ -960,16 +955,10 @@
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id="org.eclipse.cdt.ui.edit.text.c.format">
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</command>
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<command
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name="%ActionDefinition.comment.name"
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name="%ActionDefinition.toggleComment.name"
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description="%ActionDefinition.toggleComment.description"
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categoryId="org.eclipse.cdt.ui.category.source"
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description="%ActionDefinition.comment.description"
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id="org.eclipse.cdt.ui.edit.text.c.comment">
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</command>
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<command
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name="%ActionDefinition.uncomment.name"
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categoryId="org.eclipse.cdt.ui.category.source"
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description="%ActionDefinition.uncomment.description"
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id="org.eclipse.cdt.ui.edit.text.c.uncomment">
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id="org.eclipse.cdt.ui.edit.text.c.toggle.comment">
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</command>
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<command
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name="%ActionDefinition.addBlockComment.name"
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@ -1,5 +1,5 @@
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/*******************************************************************************
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* Copyright (c) 2000, 2005 IBM Corporation and others.
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* Copyright (c) 2000, 2006 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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@ -53,7 +53,7 @@ public class AddBlockCommentAction extends BlockCommentAction {
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int selectionOffset= selection.getOffset();
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int selectionEndOffset= selectionOffset + selection.getLength();
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List edits= new LinkedList();
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ITypedRegion partition= docExtension.getPartition(IDocumentExtension3.DEFAULT_PARTITIONING, selectionOffset, false);
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ITypedRegion partition= docExtension.getPartition(ICPartitions.C_PARTITIONING, selectionOffset, false);
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handleFirstPartition(partition, edits, factory, selectionOffset);
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@ -116,7 +116,7 @@ public class AddBlockCommentAction extends BlockCommentAction {
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}
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// advance to next partition
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partition= docExtension.getPartition(IDocumentExtension3.DEFAULT_PARTITIONING, partEndOffset, false);
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partition= docExtension.getPartition(ICPartitions.C_PARTITIONING, partEndOffset, false);
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partType= partition.getType();
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// start of next partition
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@ -1,5 +1,5 @@
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/*******************************************************************************
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* Copyright (c) 2000, 2005 IBM Corporation and others.
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* Copyright (c) 2000, 2006 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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@ -54,7 +54,7 @@ public class RemoveBlockCommentAction extends BlockCommentAction {
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int offset= selection.getOffset();
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int endOffset= offset + selection.getLength();
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ITypedRegion partition= docExtension.getPartition(IDocumentExtension3.DEFAULT_PARTITIONING, offset, false);
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ITypedRegion partition= docExtension.getPartition(ICPartitions.C_PARTITIONING, offset, false);
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int partOffset= partition.getOffset();
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int partEndOffset= partOffset + partition.getLength();
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@ -65,7 +65,7 @@ public class RemoveBlockCommentAction extends BlockCommentAction {
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edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$
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}
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partition= docExtension.getPartition(IDocumentExtension3.DEFAULT_PARTITIONING, partEndOffset, false);
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partition= docExtension.getPartition(ICPartitions.C_PARTITIONING, partEndOffset, false);
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partOffset= partition.getOffset();
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partEndOffset= partOffset + partition.getLength();
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}
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@ -1022,16 +1022,12 @@ public class CEditor extends TextEditor implements ISelectionChangedListener, IS
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action.setActionDefinitionId(ICEditorActionDefinitionIds.JOIN_LINES);
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setAction("Join Lines", action); //$NON-NLS-1$
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action = new TextOperationAction(CEditorMessages.getResourceBundle(), "Comment.", this, ITextOperationTarget.PREFIX); //$NON-NLS-1$
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action.setActionDefinitionId(ICEditorActionDefinitionIds.COMMENT);
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setAction("Comment", action); //$NON-NLS-1$
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markAsStateDependentAction("Comment", true); //$NON-NLS-1$
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action = new TextOperationAction(CEditorMessages.getResourceBundle(), "Uncomment.", this, ITextOperationTarget.STRIP_PREFIX); //$NON-NLS-1$
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action.setActionDefinitionId(ICEditorActionDefinitionIds.UNCOMMENT);
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setAction("Uncomment", action); //$NON-NLS-1$
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markAsStateDependentAction("Uncomment", true); //$NON-NLS-1$
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action= new ToggleCommentAction(CEditorMessages.getResourceBundle(), "ToggleComment.", this); //$NON-NLS-1$
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action.setActionDefinitionId(ICEditorActionDefinitionIds.TOGGLE_COMMENT);
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setAction("ToggleComment", action); //$NON-NLS-1$
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markAsStateDependentAction("ToggleComment", true); //$NON-NLS-1$
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configureToggleCommentAction();
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action= new AddBlockCommentAction(CEditorMessages.getResourceBundle(), "AddBlockComment.", this); //$NON-NLS-1$
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action.setActionDefinitionId(ICEditorActionDefinitionIds.ADD_BLOCK_COMMENT);
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setAction("AddBlockComment", action); //$NON-NLS-1$
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@ -1371,6 +1367,20 @@ public class CEditor extends TextEditor implements ISelectionChangedListener, IS
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}
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return null;
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}
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/**
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* Configures the toggle comment action
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*
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* @since 4.0.0
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*/
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private void configureToggleCommentAction() {
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IAction action= getAction("ToggleComment"); //$NON-NLS-1$
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if (action instanceof ToggleCommentAction) {
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ISourceViewer sourceViewer= getSourceViewer();
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SourceViewerConfiguration configuration= getSourceViewerConfiguration();
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((ToggleCommentAction)action).configure(sourceViewer, configuration);
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}
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}
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private void configureTabConverter() {
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if (fTabConverter != null) {
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@ -136,6 +136,10 @@ Uncomment.label=Uncommen&t
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Uncomment.tooltip=Uncomment the Selected C // comment Lines
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Uncomment.description=Uncomment the selected C // comment lines
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ToggleComment.label=Togg&le Comment
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ToggleComment.tooltip=Toggle Comment For the Selected Lines
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ToggleComment.description=Toggle comment for the selected lines
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AddBlockComment.label=Add &Block Comment
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AddBlockComment.tooltip=Enclose the Selection in a Block Comment
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AddBlockComment.description=Encloses the selection with block comment markers
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@ -194,3 +198,6 @@ GotoPrevMember.label=Go to &previous member
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GotoPrevMember.tooltip=Goes to previous member.
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ShowToolTip.label=Show T&ooltip Description
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ToggleComment_error_title=Toggle Comment
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ToggleComment_error_message=An error occurred while toggling comments.
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@ -26,17 +26,13 @@ import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
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public interface ICEditorActionDefinitionIds extends ITextEditorActionDefinitionIds {
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/**
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* Action definition ID of the source -> comment action
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* (value <code>"org.eclipse.cdt.ui.edit.text.c.comment"</code>).
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* Action definition ID of the source -> toggle comment action
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* (value <code>"org.eclipse.cdt.ui.edit.text.c.toggle.comment"</code>).
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* @since 4.0.0
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*/
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public static final String COMMENT = "org.eclipse.cdt.ui.edit.text.c.comment"; //$NON-NLS-1$
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public static final String TOGGLE_COMMENT= "org.eclipse.cdt.ui.edit.text.c.toggle.comment"; //$NON-NLS-1$
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/**
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* Action definition ID of the source -> uncomment action
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* (value <code>"org.eclipse.cdt.ui.edit.text.c.uncomment"</code>).
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*/
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public static final String UNCOMMENT = "org.eclipse.cdt.ui.edit.text.c.uncomment"; //$NON-NLS-1$
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/**
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* Action definition ID of the source -> add block comment action
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* (value <code>"org.eclipse.cdt.ui.edit.text.c.add.block.comment"</code>).
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@ -0,0 +1,336 @@
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/*******************************************************************************
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* Copyright (c) 2000, 2006 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.cdt.internal.ui.editor;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.ResourceBundle;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.ITextOperationTarget;
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import org.eclipse.jface.text.ITextSelection;
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import org.eclipse.jface.text.ITypedRegion;
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import org.eclipse.jface.text.Region;
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import org.eclipse.jface.text.TextUtilities;
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import org.eclipse.jface.text.source.ISourceViewer;
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import org.eclipse.jface.text.source.SourceViewerConfiguration;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.swt.custom.BusyIndicator;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.texteditor.ITextEditor;
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import org.eclipse.ui.texteditor.ResourceAction;
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import org.eclipse.ui.texteditor.TextEditorAction;
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import org.eclipse.cdt.ui.CUIPlugin;
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/**
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* An action which toggles comment prefixes on the selected lines.
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*
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* @since 4.0.0
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*/
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public final class ToggleCommentAction extends TextEditorAction {
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/** The text operation target */
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private ITextOperationTarget fOperationTarget;
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/** The document partitioning */
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private String fDocumentPartitioning;
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/** The comment prefixes */
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private Map fPrefixesMap;
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/**
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* Creates and initializes the action for the given text editor. The action
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* configures its visual representation from the given resource bundle.
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*
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* @param bundle the resource bundle
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* @param prefix a prefix to be prepended to the various resource keys
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* (described in <code>ResourceAction</code> constructor), or
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* <code>null</code> if none
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* @param editor the text editor
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* @see ResourceAction#ResourceAction(ResourceBundle, String, int)
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*/
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public ToggleCommentAction(ResourceBundle bundle, String prefix, ITextEditor editor) {
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super(bundle, prefix, editor);
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}
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/**
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* Implementation of the <code>IAction</code> prototype. Checks if the selected
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* lines are all commented or not and uncomments/comments them respectively.
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*/
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public void run() {
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if (fOperationTarget == null || fDocumentPartitioning == null || fPrefixesMap == null)
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return;
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ITextEditor editor= getTextEditor();
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if (editor == null)
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return;
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if (!validateEditorInputState())
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return;
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final int operationCode;
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if (isSelectionCommented(editor.getSelectionProvider().getSelection()))
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operationCode= ITextOperationTarget.STRIP_PREFIX;
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else
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operationCode= ITextOperationTarget.PREFIX;
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Shell shell= editor.getSite().getShell();
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if (!fOperationTarget.canDoOperation(operationCode)) {
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if (shell != null)
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MessageDialog.openError(shell, CEditorMessages.getString("ToggleComment_error_title"), CEditorMessages.getString("ToggleComment_error_message"));
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return;
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}
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Display display= null;
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if (shell != null && !shell.isDisposed())
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display= shell.getDisplay();
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BusyIndicator.showWhile(display, new Runnable() {
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public void run() {
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fOperationTarget.doOperation(operationCode);
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}
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});
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}
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/**
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* Is the given selection single-line commented?
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*
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* @param selection Selection to check
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* @return <code>true</code> iff all selected lines are commented
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*/
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private boolean isSelectionCommented(ISelection selection) {
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if (!(selection instanceof ITextSelection))
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return false;
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ITextSelection textSelection= (ITextSelection) selection;
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if (textSelection.getStartLine() < 0 || textSelection.getEndLine() < 0)
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return false;
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IDocument document= getTextEditor().getDocumentProvider().getDocument(getTextEditor().getEditorInput());
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try {
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IRegion block= getTextBlockFromSelection(textSelection, document);
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ITypedRegion[] regions= TextUtilities.computePartitioning(document, fDocumentPartitioning, block.getOffset(), block.getLength(), false);
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int lineCount= 0;
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int[] lines= new int[regions.length * 2]; // [startline, endline, startline, endline, ...]
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//For each partition in the text selection, figure out what are the startlines and endlines for
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//each partition. Count the number of lines that are selected.
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for (int i = 0, j = 0; i < regions.length; i++, j+= 2) {
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// start line of region
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lines[j]= getFirstCompleteLineOfRegion(regions[i], document);
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// end line of region
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int length= regions[i].getLength();
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int offset= regions[i].getOffset() + length;
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if (length > 0)
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offset--;
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//if there is no startline for this region (startline = -1)
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//then there is no endline
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//otherwise, get the line number of the endline and store it in the array
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lines[j + 1]= (lines[j] == -1 ? -1 : document.getLineOfOffset(offset));
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//count the number of lines that are selected in this region
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lineCount += lines[j + 1] - lines[j] + 1;
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assert i < regions.length;
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assert j < regions.length * 2;
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}
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// Perform the check
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for (int i = 0, j = 0; i < regions.length; i++, j += 2) {
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String[] prefixes= (String[]) fPrefixesMap.get(regions[i].getType());
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if (prefixes != null && prefixes.length > 0 && lines[j] >= 0 && lines[j + 1] >= 0)
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if (!isBlockCommented(lines[j], lines[j + 1], prefixes, document))
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return false;
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}
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return true;
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} catch (BadLocationException x) {
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// should not happen
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CUIPlugin.getDefault().log(x);
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}
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return false;
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}
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/**
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* Creates a region describing the text block (something that starts at
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* the beginning of a line) completely containing the current selection.
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*
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* @param selection The selection to use
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* @param document The document
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* @return the region describing the text block comprising the given selection
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*/
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private IRegion getTextBlockFromSelection(ITextSelection selection, IDocument document) {
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try {
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IRegion line= document.getLineInformationOfOffset(selection.getOffset());
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int length= selection.getLength() == 0 ? line.getLength() : selection.getLength() + (selection.getOffset() - line.getOffset());
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return new Region(line.getOffset(), length);
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} catch (BadLocationException x) {
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// should not happen
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CUIPlugin.getDefault().log(x);
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}
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return null;
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}
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/**
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* Returns the index of the first line whose start offset is in the given text range.
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*
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* @param region the text range in characters where to find the line
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* @param document The document
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* @return the first line whose start index is in the given range, -1 if there is no such line
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*/
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private int getFirstCompleteLineOfRegion(IRegion region, IDocument document) {
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try {
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int startLine= document.getLineOfOffset(region.getOffset());
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int offset= document.getLineOffset(startLine);
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if (offset >= region.getOffset())
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return startLine;
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offset= document.getLineOffset(startLine + 1);
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return (offset > region.getOffset() + region.getLength() ? -1 : startLine + 1);
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} catch (BadLocationException x) {
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// should not happen
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CUIPlugin.getDefault().log(x);
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}
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return -1;
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}
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/**
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* Determines whether each line is prefixed by one of the prefixes.
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*
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* @param startLine Start line in document
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* @param endLine End line in document
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* @param prefixes Possible comment prefixes
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* @param document The document
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* @return <code>true</code> iff each line from <code>startLine</code>
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* to and including <code>endLine</code> is prepended by one
|
||||
* of the <code>prefixes</code>, ignoring whitespace at the
|
||||
* begin of line
|
||||
*/
|
||||
private boolean isBlockCommented(int startLine, int endLine, String[] prefixes, IDocument document) {
|
||||
|
||||
try {
|
||||
|
||||
// check for occurrences of prefixes in the given lines
|
||||
for (int i= startLine; i <= endLine; i++) {
|
||||
|
||||
IRegion line= document.getLineInformation(i);
|
||||
String text= document.get(line.getOffset(), line.getLength());
|
||||
|
||||
int[] found= TextUtilities.indexOf(prefixes, text, 0);
|
||||
|
||||
if (found[0] == -1)
|
||||
// found a line which is not commented
|
||||
return false;
|
||||
|
||||
String s= document.get(line.getOffset(), found[0]);
|
||||
s= s.trim();
|
||||
if (s.length() != 0)
|
||||
// found a line which is not commented
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
return true;
|
||||
|
||||
} catch (BadLocationException x) {
|
||||
// should not happen
|
||||
CUIPlugin.getDefault().log(x);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of the <code>IUpdate</code> prototype method discovers
|
||||
* the operation through the current editor's
|
||||
* <code>ITextOperationTarget</code> adapter, and sets the enabled state
|
||||
* accordingly.
|
||||
*/
|
||||
public void update() {
|
||||
super.update();
|
||||
|
||||
if (!canModifyEditor()) {
|
||||
setEnabled(false);
|
||||
return;
|
||||
}
|
||||
|
||||
ITextEditor editor= getTextEditor();
|
||||
if (fOperationTarget == null && editor != null)
|
||||
fOperationTarget= (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class);
|
||||
|
||||
boolean isEnabled= (fOperationTarget != null && fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX) && fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX));
|
||||
setEnabled(isEnabled);
|
||||
}
|
||||
|
||||
/*
|
||||
* @see TextEditorAction#setEditor(ITextEditor)
|
||||
*/
|
||||
public void setEditor(ITextEditor editor) {
|
||||
super.setEditor(editor);
|
||||
fOperationTarget= null;
|
||||
}
|
||||
|
||||
/**
|
||||
* For the different content types, get its default comment prefix and store the prefixes.
|
||||
* @param sourceViewer
|
||||
* @param configuration
|
||||
*/
|
||||
public void configure(ISourceViewer sourceViewer, SourceViewerConfiguration configuration) {
|
||||
fPrefixesMap= null;
|
||||
|
||||
String[] types= configuration.getConfiguredContentTypes(sourceViewer);
|
||||
Map prefixesMap= new HashMap(types.length);
|
||||
for (int i= 0; i < types.length; i++) {
|
||||
String type= types[i];
|
||||
String[] prefixes= configuration.getDefaultPrefixes(sourceViewer, type);
|
||||
if (prefixes != null && prefixes.length > 0) {
|
||||
int emptyPrefixes= 0;
|
||||
for (int j= 0; j < prefixes.length; j++)
|
||||
if (prefixes[j].length() == 0)
|
||||
emptyPrefixes++;
|
||||
|
||||
if (emptyPrefixes > 0) {
|
||||
String[] nonemptyPrefixes= new String[prefixes.length - emptyPrefixes];
|
||||
for (int j= 0, k= 0; j < prefixes.length; j++) {
|
||||
String prefix= prefixes[j];
|
||||
if (prefix.length() != 0) {
|
||||
nonemptyPrefixes[k]= prefix;
|
||||
k++;
|
||||
}
|
||||
}
|
||||
prefixes= nonemptyPrefixes;
|
||||
}
|
||||
|
||||
prefixesMap.put(type, prefixes);
|
||||
}
|
||||
}
|
||||
fDocumentPartitioning= configuration.getConfiguredDocumentPartitioning(sourceViewer);
|
||||
fPrefixesMap= prefixesMap;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue