projects/dwt-addons: dwtx/jface/text/DefaultUndoManager.d comparison

comparison dwtx/jface/text/DefaultUndoManager.d @ 162:1a5b8f8129df

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author	Frank Benoit <benoit@tionex.de>
date	Mon, 08 Sep 2008 00:51:37 +0200
parents	3678e4f1a766
children	c3583c6ec027

comparison

equal deleted inserted replaced

-:f8d52b926852
+:1a5b8f8129df
 import dwt.custom.StyledText;
 import dwt.events.KeyEvent;
 import dwt.events.KeyListener;
 import dwt.events.MouseEvent;
 import dwt.events.MouseListener;
+import dwt.widgets.Event;
 import dwt.widgets.Display;
 import dwt.widgets.Shell;
 import dwtx.core.commands.ExecutionException;
 import dwtx.core.commands.operations.AbstractOperation;
 import dwtx.core.commands.operations.IOperationHistory;
 * @since 3.1
 */
 protected void updateCommand() {
 fText= fTextBuffer.toString();
-fTextBuffer.setLength(0);
+fTextBuffer.truncate(0);
 fPreservedText= fPreservedTextBuffer.toString();
-fPreservedTextBuffer.setLength(0);
+fPreservedTextBuffer.truncate(0);
 }
 /**
 * Creates a new uncommitted text command depending on whether
 * a compound change is currently being executed.
 */
 public override String toString() {
 String delimiter= ", "; //$NON-NLS-1$
 StringBuffer text= new StringBuffer(super.toString());
 text.append("\n"); //$NON-NLS-1$
-text.append(this.getClass().getName());
+text.append(this.classinfo.name);
 text.append(" undo modification stamp: "); //$NON-NLS-1$
 text.append(fUndoModificationStamp);
 text.append(" redo modification stamp: "); //$NON-NLS-1$
 text.append(fRedoModificationStamp);
 text.append(" start: "); //$NON-NLS-1$
 * individual edit commands.
 */
 class CompoundTextCommand : TextCommand {
 /** The list of individual commands */
-private List fCommands= new ArrayList();
+private List fCommands;
 /**
 * Creates a new compound text command.
 *
 * @param context the undo context for this command
 * @since 3.1
 */
 this(IUndoContext context) {
 super(context);
+fCommands= new ArrayList();
 }
 /**
 * Adds a new individual command to this compound command.
 *
 switch (type) {
 case OperationHistoryEvent.ABOUT_TO_UNDO:
 case OperationHistoryEvent.ABOUT_TO_REDO:
 // if this is one of our operations
 if (event.getOperation().hasContext(fUndoContext)) {
-fTextViewer.getTextWidget().getDisplay().syncExec(dgRunnable((Event event_, int type_ ) {
+fTextViewer.getTextWidget().getDisplay().syncExec(dgRunnable((OperationHistoryEvent event_, int type_ ) {
 // if we are undoing/redoing a command we generated, then ignore
 // the document changes associated with this undo or redo.
-if (cast(TextCommand)event_.getOperation() ) {
+if (event_.getOperation() ) {
 if ( cast(TextViewer)fTextViewer )
-(cast(TextViewer)fTextViewer).ignoreAutoEditStrategies(true);
+(cast(TextViewer)fTextViewer).ignoreAutoEditStrategies_package(true);
 listenToTextChanges(false);
 // in the undo case only, make sure compounds are closed
 if (type_ is OperationHistoryEvent.ABOUT_TO_UNDO) {
 if (fFoldingIntoCompoundChange) {
 fTextViewer.getTextWidget().getDisplay().syncExec(new class()  Runnable {
 public void run() {
 listenToTextChanges(true);
 fOperation= null;
 if ( cast(TextViewer)fTextViewer )
-(cast(TextViewer)fTextViewer).ignoreAutoEditStrategies(false);
+(cast(TextViewer)fTextViewer).ignoreAutoEditStrategies_package(false);
 }
 });
 }
 break;
 }
 }
 }
 /** Text buffer to collect text which is inserted into the viewer */
-private StringBuffer fTextBuffer= new StringBuffer();
+private StringBuffer fTextBuffer;
 /** Text buffer to collect viewer content which has been replaced */
-private StringBuffer fPreservedTextBuffer= new StringBuffer();
+private StringBuffer fPreservedTextBuffer;
 /** The document modification stamp for undo. */
 protected long fPreservedUndoModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
 /** The document modification stamp for redo. */
 protected long fPreservedRedoModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
 /** The internal key and mouse event listener */
 * Creates a new undo manager who remembers the specified number of edit commands.
 *
 * @param undoLevel the length of this manager's history
 */
 public this(int undoLevel) {
+fTextBuffer= new StringBuffer();
+fPreservedTextBuffer= new StringBuffer();
 fHistoryListener= new HistoryListener();
 fHistory= OperationHistoryFactory.getOperationHistory();
 setMaximalUndoLevel(undoLevel);
 }
 String[] delimiters= fTextViewer.getDocument().getLegalLineDelimiters();
 int index= TextUtilities.startsWith(delimiters, text);
 if (index > -1) {
 char c;
 int length= text.length();
-for (int i= delimiters[index].length(); i < length; i++) {
+for (int i= delimiters[index].length; i < length; i++) {
 c= text.charAt(i);
 if (c !is ' ' && c !is '\t')
 return false;
 }
 return true;
 }
 } else {
 if (length is 0) {
 // text will be deleted by backspace or DEL key or empty clipboard
-length= replacedText.length();
+length= replacedText.length;
 String[] delimiters= fTextViewer.getDocument().getLegalLineDelimiters();
 if ((length is 1) || TextUtilities.equals(delimiters, replacedText) > -1) {
 // whereby selection is empty
 } else if (fPreviousDelete.fStart is modelEnd) {
 // repeated backspace
 // insert in buffer and extend command range
-fPreservedTextBuffer.insert(0, replacedText);
+fPreservedTextBuffer.select(0, 0);
+fPreservedTextBuffer.replace(replacedText);
 fCurrent.fStart= modelStart;
 } else {
 // either DEL or backspace for the first time
 }
 } else {
 // text will be replaced
 if (length is 1) {
-length= replacedText.length();
+length= replacedText.length;
 String[] delimiters= fTextViewer.getDocument().getLegalLineDelimiters();
 if ((length is 1) || TextUtilities.equals(delimiters, replacedText) > -1) {
 // because of overwrite mode or model manipulation
 if (!fOverwriting || (modelStart !is fCurrent.fStart +  fTextBuffer.length())) {
 StyledText st= fTextViewer.getTextWidget();
 if (st !is null && !st.isDisposed())
 shell= st.getShell();
 }
 if (Display.getCurrent() !is null)
-MessageDialog.openError(shell, title, ex.getLocalizedMessage());
+MessageDialog.openError(shell, title, ex.msg/+getLocalizedMessage()+/);
 else {
 Display display;
 Shell finalShell= shell;
 if (finalShell !is null)
 display= finalShell.getDisplay();
 else
 display= Display.getDefault();
 display.syncExec(dgRunnable( {
-MessageDialog.openError(finalShell, title, ex.getLocalizedMessage());
+MessageDialog.openError(finalShell, title, ex.msg/+getLocalizedMessage()+/);
 }));
 }
 }
 /*
 removeListeners();
 fCurrent= null;
 fTextViewer= null;
 disposeCommandStack();
-fTextBuffer= null;
+fTextBuffer.clear();
-fPreservedTextBuffer= null;
+fPreservedTextBuffer.clear();
 fUndoContext= null;
 }
 }
 /*
 initializeCommandStack();
 fCurrent= new TextCommand(fUndoContext);
 fFoldingIntoCompoundChange= false;
 fInserting= false;
 fOverwriting= false;
-fTextBuffer.setLength(0);
+fTextBuffer.truncate(0);
-fPreservedTextBuffer.setLength(0);
+fPreservedTextBuffer.truncate(0);
 fPreservedUndoModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
 fPreservedRedoModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
 }
 }

Mercurial > projects > dwt-addons

comparison dwtx/jface/text/DefaultUndoManager.d @ 162:1a5b8f8129df