X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/ToggleCommentAction.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/ToggleCommentAction.java
deleted file mode 100644
index 506df17..0000000
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/ToggleCommentAction.java
+++ /dev/null
@@ -1,320 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2004 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.phpeclipse.phpeditor;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.ResourceBundle;
-
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IRegion;
-import org.eclipse.jface.text.ITextOperationTarget;
-import org.eclipse.jface.text.ITextSelection;
-import org.eclipse.jface.text.ITypedRegion;
-import org.eclipse.jface.text.Region;
-import org.eclipse.jface.text.TextUtilities;
-import org.eclipse.jface.text.source.ISourceViewer;
-import org.eclipse.jface.text.source.SourceViewerConfiguration;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.swt.custom.BusyIndicator;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.ui.texteditor.ITextEditor;
-import org.eclipse.ui.texteditor.ResourceAction;
-import org.eclipse.ui.texteditor.TextEditorAction;
-
-
-
-/**
- * An action which toggles comment prefixes on the selected lines.
- * 
- * @since 3.0
- */
-public final class ToggleCommentAction extends TextEditorAction {
-	
-	/** The text operation target */
-	private ITextOperationTarget fOperationTarget;
-	/** The document partitioning */
-	private String fDocumentPartitioning;
-	/** The comment prefixes */
-	private Map fPrefixesMap;
-	
-	/**
-	 * Creates and initializes the action for the given text editor. The action
-	 * configures its visual representation from the given resource bundle.
-	 *
-	 * @param bundle the resource bundle
-	 * @param prefix a prefix to be prepended to the various resource keys
-	 *   (described in <code>ResourceAction</code> constructor), or 
-	 *   <code>null</code> if none
-	 * @param editor the text editor
-	 * @see ResourceAction#ResourceAction(ResourceBundle, String, int)
-	 */
-	public ToggleCommentAction(ResourceBundle bundle, String prefix, ITextEditor editor) {
-		super(bundle, prefix, editor);
-	}
-	
-	/**
-	 * Implementation of the <code>IAction</code> prototype. Checks if the selected
-	 * lines are all commented or not and uncomments/comments them respectively.
-	 */
-	public void run() {
-		if (fOperationTarget == null || fDocumentPartitioning == null || fPrefixesMap == null)
-			return;
-			
-		ITextEditor editor= getTextEditor();
-		if (editor == null)
-			return;
-
-		if (!validateEditorInputState())
-			return;
-		
-		final int operationCode;
-		if (isSelectionCommented(editor.getSelectionProvider().getSelection()))
-			operationCode= ITextOperationTarget.STRIP_PREFIX;
-		else
-			operationCode= ITextOperationTarget.PREFIX;
-		
-		Shell shell= editor.getSite().getShell();
-		if (!fOperationTarget.canDoOperation(operationCode)) {
-			if (shell != null)
-				MessageDialog.openError(shell, PHPEditorMessages.getString("ToggleComment.error.title"), PHPEditorMessages.getString("ToggleComment.error.message")); //$NON-NLS-1$ //$NON-NLS-2$
-			return;
-		}
-		
-		Display display= null;
-		if (shell != null && !shell.isDisposed()) 
-			display= shell.getDisplay();
-	
-		BusyIndicator.showWhile(display, new Runnable() {
-			public void run() {
-				fOperationTarget.doOperation(operationCode);
-			}
-		});
-	}
-	
-	/**
-	 * Is the given selection single-line commented?
-	 *
-	 * @param selection Selection to check
-	 * @return <code>true</code> iff all selected lines are commented
-	 */
-	private boolean isSelectionCommented(ISelection selection) {
-		if (!(selection instanceof ITextSelection))
-			return false;
-			
-		ITextSelection textSelection= (ITextSelection) selection;
-		if (textSelection.getStartLine() < 0 || textSelection.getEndLine() < 0)
-			return false;
-		
-		IDocument document= getTextEditor().getDocumentProvider().getDocument(getTextEditor().getEditorInput());
-		
-		try {
-			
-			IRegion block= getTextBlockFromSelection(textSelection, document);
-			ITypedRegion[] regions= TextUtilities.computePartitioning(document, fDocumentPartitioning, block.getOffset(), block.getLength(), false);
-
-			int lineCount= 0;			
-			int[] lines= new int[regions.length * 2]; // [startline, endline, startline, endline, ...]
-			for (int i= 0, j= 0; i < regions.length; i++, j+= 2) {
-				// start line of region
-				lines[j]= getFirstCompleteLineOfRegion(regions[i], document);
-				// end line of region
-				int length= regions[i].getLength();
-				int offset= regions[i].getOffset() + length;
-				if (length > 0)
-					offset--;
-				lines[j + 1]= (lines[j] == -1 ? -1 : document.getLineOfOffset(offset));
-				lineCount += lines[j + 1] - lines[j] + 1;
-			}
-
-			// Perform the check
-			for (int i= 0, j= 0; i < regions.length; i++, j += 2) {
-				String[] prefixes= (String[]) fPrefixesMap.get(regions[i].getType());
-				if (prefixes != null && prefixes.length > 0 && lines[j] >= 0 && lines[j + 1] >= 0)
-					if (!isBlockCommented(lines[j], lines[j + 1], prefixes, document))
-						return false;
-			}
-			
-			return true;
-			
-		} catch (BadLocationException x) {
-			// should not happen
-			PHPeclipsePlugin.log(x);
-		}
-		
-		return false;
-	}
-
-	/**
-	 * Creates a region describing the text block (something that starts at
-	 * the beginning of a line) completely containing the current selection.
-	 * 
-	 * @param selection The selection to use
-	 * @param document The document
-	 * @return the region describing the text block comprising the given selection
-	 */
-	private IRegion getTextBlockFromSelection(ITextSelection selection, IDocument document) {
-				
-		try {
-			IRegion line= document.getLineInformationOfOffset(selection.getOffset());
-			int length= selection.getLength() == 0 ? line.getLength() : selection.getLength() + (selection.getOffset() - line.getOffset());
-			return new Region(line.getOffset(), length);
-			
-		} catch (BadLocationException x) {
-			// should not happen
-			PHPeclipsePlugin.log(x);
-		}
-		
-		return null;		
-	}
-
-	/**
-	 * Returns the index of the first line whose start offset is in the given text range.
-	 *
-	 * @param region the text range in characters where to find the line
-	 * @param document The document
-	 * @return the first line whose start index is in the given range, -1 if there is no such line
-	 */
-	private int getFirstCompleteLineOfRegion(IRegion region, IDocument document) {
-		
-		try {
-			
-			int startLine= document.getLineOfOffset(region.getOffset());
-			
-			int offset= document.getLineOffset(startLine);
-			if (offset >= region.getOffset())
-				return startLine;
-				
-			offset= document.getLineOffset(startLine + 1);
-			return (offset > region.getOffset() + region.getLength() ? -1 : startLine + 1);
-		
-		} catch (BadLocationException x) {
-			// should not happen
-			PHPeclipsePlugin.log(x);
-		}
-		
-		return -1;
-	}
-	
-	/**
-	 * Determines whether each line is prefixed by one of the prefixes.
-	 * 
-	 * @param startLine Start line in document
-	 * @param endLine End line in document
-	 * @param prefixes Possible comment prefixes
-	 * @param document The document
-	 * @return <code>true</code> iff each line from <code>startLine</code>
-	 *             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
-			PHPeclipsePlugin.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;
-	}
-	
-	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;
-	}
-}