X-Git-Url: http://git.phpeclipse.com
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/actions/AddBlockCommentAction.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/actions/AddBlockCommentAction.java
new file mode 100644
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@@ -0,0 +1,196 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.actions;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.ResourceBundle;
+
+import net.sourceforge.phpdt.internal.corext.Assert;
+import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.BadPartitioningException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IDocumentExtension3;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.ITypedRegion;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * Action that encloses the editor's current selection with Java block comment terminators
+ * (/* and */).
+ *
+ * @since 3.0
+ */
+public class AddBlockCommentAction extends BlockCommentAction {
+
+ /**
+ * Creates a new instance.
+ *
+ * @param bundle the resource bundle
+ * @param prefix a prefix to be prepended to the various resource keys
+ * (described in ResourceAction constructor), or
+ * null if none
+ * @param editor the text editor
+ */
+ public AddBlockCommentAction(ResourceBundle bundle, String prefix, ITextEditor editor) {
+ super(bundle, prefix, editor);
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.actions.BlockCommentAction#runInternal(org.eclipse.jface.text.ITextSelection, org.eclipse.jface.text.IDocumentExtension3, org.eclipse.jdt.internal.ui.actions.BlockCommentAction.Edit.EditFactory)
+ */
+ protected void runInternal(ITextSelection selection, IDocumentExtension3 docExtension, Edit.EditFactory factory) throws BadLocationException, BadPartitioningException {
+ int selectionOffset= selection.getOffset();
+ int selectionEndOffset= selectionOffset + selection.getLength();
+ List edits= new LinkedList();
+ ITypedRegion partition= docExtension.getPartition(IPHPPartitions.PHP_PARTITIONING, selectionOffset);
+
+ handleFirstPartition(partition, edits, factory, selectionOffset);
+
+ while (partition.getOffset() + partition.getLength() < selectionEndOffset) {
+ partition= handleInteriorPartition(partition, edits, factory, docExtension);
+ }
+
+ handleLastPartition(partition, edits, factory, selectionEndOffset);
+
+ executeEdits(edits);
+ }
+
+ /**
+ * Handle the first partition of the selected text.
+ *
+ * @param partition
+ * @param edits
+ * @param factory
+ * @param offset
+ */
+ private void handleFirstPartition(ITypedRegion partition, List edits, Edit.EditFactory factory, int offset) throws BadLocationException {
+
+ int partOffset= partition.getOffset();
+ String partType= partition.getType();
+
+ Assert.isTrue(partOffset <= offset, "illegal partition"); //$NON-NLS-1$
+
+ // first partition: mark start of comment
+ if (partType == IDocument.DEFAULT_CONTENT_TYPE) {
+ // Java code: right where selection starts
+ edits.add(factory.createEdit(offset, 0, getCommentStart()));
+ } else if (isSpecialPartition(partType)) {
+ // special types: include the entire partition
+ edits.add(factory.createEdit(partOffset, 0, getCommentStart()));
+ } // javadoc: no mark, will only start after comment
+
+ }
+
+ /**
+ * Handles the end of the given partition and the start of the next partition, which is returned.
+ *
+ * @param partition
+ * @param edits
+ * @param factory
+ * @param docExtension
+ * @return
+ * @throws BadLocationException
+ * @throws BadPartitioningException
+ */
+ private ITypedRegion handleInteriorPartition(ITypedRegion partition, List edits, Edit.EditFactory factory, IDocumentExtension3 docExtension) throws BadPartitioningException, BadLocationException {
+
+ // end of previous partition
+ String partType= partition.getType();
+ int partEndOffset= partition.getOffset() + partition.getLength();
+ int tokenLength= getCommentStart().length();
+
+ boolean wasJavadoc= false; // true if the previous partition is javadoc
+
+ if (partType == IPHPPartitions.PHP_MULTILINE_COMMENT) {
+
+ wasJavadoc= true;
+
+// } else if (partType == IPHPPartitions.JAVA_MULTI_LINE_COMMENT) {
+//
+// // already in a comment - remove ending mark
+// edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$
+//
+ }
+
+ // advance to next partition
+ partition= docExtension.getPartition(IPHPPartitions.PHP_PARTITIONING, partEndOffset);
+ partType= partition.getType();
+
+ // start of next partition
+ if (wasJavadoc) {
+
+ // if previous was javadoc, and the current one is not, then add block comment start
+ if (partType == IDocument.DEFAULT_CONTENT_TYPE
+ || isSpecialPartition(partType)) {
+ edits.add(factory.createEdit(partition.getOffset(), 0, getCommentStart()));
+ }
+
+ } else { // !wasJavadoc
+
+ if (partType == IPHPPartitions.PHP_MULTILINE_COMMENT) {
+ // if next is javadoc, end block comment before
+ edits.add(factory.createEdit(partition.getOffset(), 0, getCommentEnd()));
+// } else if (partType == IJavaPartitions.JAVA_MULTI_LINE_COMMENT) {
+// // already in a comment - remove startToken
+// edits.add(factory.createEdit(partition.getOffset(), getCommentStart().length(), "")); //$NON-NLS-1$
+ }
+ }
+
+ return partition;
+ }
+
+ /**
+ * Handles the end of the last partition.
+ *
+ * @param partition
+ * @param edits
+ * @param factory
+ * @param endOffset
+ */
+ private void handleLastPartition(ITypedRegion partition, List edits, Edit.EditFactory factory, int endOffset) throws BadLocationException {
+
+ String partType= partition.getType();
+
+ if (partType == IDocument.DEFAULT_CONTENT_TYPE) {
+ // normal java: end comment where selection ends
+ edits.add(factory.createEdit(endOffset, 0, getCommentEnd()));
+ } else if (isSpecialPartition(partType)) {
+ // special types: consume entire partition
+ edits.add(factory.createEdit(partition.getOffset() + partition.getLength(), 0, getCommentEnd()));
+ }
+
+ }
+
+ /**
+ * Returns whether partType is special, i.e. a Java String,
+ * Character, or Line End Comment partition.
+ *
+ * @param partType the partition type to check
+ * @return true if partType is special, false otherwise
+ */
+ private boolean isSpecialPartition(String partType) {
+ return// partType == IPHPPartitions.PHP_CHARACTER
+ //||
+ partType == IPHPPartitions.PHP_STRING;
+ //|| partType == IPHPPartitions.PHP_SINGLE_LINE_COMMENT;
+ }
+
+ /*
+ * @see org.eclipse.jdt.internal.ui.actions.BlockCommentAction#validSelection(org.eclipse.jface.text.ITextSelection)
+ */
+ protected boolean isValidSelection(ITextSelection selection) {
+ return selection != null && !selection.isEmpty() && selection.getLength() > 0;
+ }
+
+}