diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/actions/ToggleCommentActionXMLDelegate.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/actions/ToggleCommentActionXMLDelegate.java | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/actions/ToggleCommentActionXMLDelegate.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/actions/ToggleCommentActionXMLDelegate.java deleted file mode 100644 index 5c6710f3d9..0000000000 --- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/actions/ToggleCommentActionXMLDelegate.java +++ /dev/null @@ -1,170 +0,0 @@ -/******************************************************************************* - * Copyright (c) 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.wst.xml.ui.internal.actions; - -import org.eclipse.jface.action.IAction; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.ITextSelection; -import org.eclipse.jface.text.Position; -import org.eclipse.jface.text.TextSelection; -import org.eclipse.jface.viewers.ISelectionProvider; -import org.eclipse.ui.texteditor.ITextEditor; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.xml.ui.internal.Logger; -import org.eclipse.wst.xml.ui.internal.XMLUIMessages; - -/** - * Toggle comment action delegate for XML editor - */ -public class ToggleCommentActionXMLDelegate extends AbstractCommentActionXMLDelegate { - public void init(IAction action) { - if (action != null) { - action.setText(XMLUIMessages.ToggleComment_label); - action.setToolTipText(XMLUIMessages.ToggleComment_tooltip); - action.setDescription(XMLUIMessages.ToggleComment_description); - } - } - - void processAction(IDocument document, ITextSelection textSelection) { - // get text selection lines info - int selectionStartLine = textSelection.getStartLine(); - int selectionEndLine = textSelection.getEndLine(); - try { - int selectionEndLineOffset = document.getLineOffset(selectionEndLine); - int selectionEndOffset = textSelection.getOffset() + textSelection.getLength(); - - // adjust selection end line - if (selectionEndLine > selectionStartLine && selectionEndLineOffset == selectionEndOffset) - selectionEndLine--; - - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - - // save the selection position since it will be changing - Position selectionPosition = null; - boolean updateStartOffset = false; - try { - selectionPosition = new Position(textSelection.getOffset(), textSelection.getLength()); - document.addPosition(selectionPosition); - - // extra check if commenting from beginning of line - int selectionStartLineOffset = document.getLineOffset(selectionStartLine); - if (textSelection.getLength() > 0 && selectionStartLineOffset == textSelection.getOffset() && !isCommentLine(document, selectionStartLine)) - updateStartOffset = true; - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - - processAction(document, selectionStartLine, selectionEndLine); - - updateCurrentSelection(selectionPosition, document, updateStartOffset); - } - - private void processAction(IDocument document, int selectionStartLine, int selectionEndLine) { - IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document); - if (model != null) { - try { - model.beginRecording(this, XMLUIMessages.ToggleComment_tooltip); - model.aboutToChangeModel(); - - for (int i = selectionStartLine; i <= selectionEndLine; i++) { - try { - if (document.getLineLength(i) > 0) { - if (isCommentLine(document, i)) { - int lineOffset = document.getLineOffset(i); - IRegion region = document.getLineInformation(i); - String string = document.get(region.getOffset(), region.getLength()); - int openCommentOffset = lineOffset + string.indexOf(OPEN_COMMENT); - int closeCommentOffset = lineOffset + string.indexOf(CLOSE_COMMENT) - OPEN_COMMENT.length(); - uncomment(document, openCommentOffset, closeCommentOffset); - } - else { - int openCommentOffset = document.getLineOffset(i); - int lineDelimiterLength = document.getLineDelimiter(i) == null ? 0 : document.getLineDelimiter(i).length(); - int closeCommentOffset = openCommentOffset + document.getLineLength(i) - lineDelimiterLength + OPEN_COMMENT.length(); - comment(document, openCommentOffset, closeCommentOffset); - } - } - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - } - } - finally { - model.changedModel(); - model.endRecording(this); - model.releaseFromEdit(); - } - } - } - - private boolean isCommentLine(IDocument document, int line) { - boolean isComment = false; - - try { - IRegion region = document.getLineInformation(line); - String string = document.get(region.getOffset(), region.getLength()).trim(); - isComment = string.length() >= OPEN_COMMENT.length() + CLOSE_COMMENT.length() && string.startsWith(OPEN_COMMENT) && string.endsWith(CLOSE_COMMENT); - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - return isComment; - } - - private void comment(IDocument document, int openCommentOffset, int closeCommentOffset) { - try { - document.replace(openCommentOffset, 0, OPEN_COMMENT); - document.replace(closeCommentOffset, 0, CLOSE_COMMENT); - removeOpenCloseComments(document, openCommentOffset + OPEN_COMMENT.length(), closeCommentOffset - openCommentOffset - CLOSE_COMMENT.length()); - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - } - - private void uncomment(IDocument document, int openCommentOffset, int closeCommentOffset) { - try { - document.replace(openCommentOffset, OPEN_COMMENT.length(), ""); //$NON-NLS-1$ - document.replace(closeCommentOffset, CLOSE_COMMENT.length(), ""); //$NON-NLS-1$ - } - catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - } - - private void updateCurrentSelection(Position selectionPosition, IDocument document, boolean updateStartOffset) { - if (fEditor instanceof ITextEditor) { - // update the selection if text selection changed - if (selectionPosition != null) { - ITextSelection selection = null; - if (updateStartOffset) - selection = new TextSelection(document, selectionPosition.getOffset() - OPEN_COMMENT.length(), selectionPosition.getLength() + OPEN_COMMENT.length()); - else - selection = new TextSelection(document, selectionPosition.getOffset(), selectionPosition.getLength()); - ISelectionProvider provider = ((ITextEditor) fEditor).getSelectionProvider(); - if (provider != null) { - provider.setSelection(selection); - } - document.removePosition(selectionPosition); - } - } - } -} |