Examples of org.eclipse.core.commands.operations.IUndoableOperation.addContext()

Package org.eclipse.core.commands.operations

Class org.eclipse.core.commands.operations.IUndoableOperation

Examples of org.eclipse.core.commands.operations.IUndoableOperation.addContext()

org.eclipse.core.commands.operations.IUndoableOperation.addContext()

Add the specified context to the operation. If a context equal to the specified context is already present, do not add it again. Note that determining whether a context is already present is based on equality, not whether the context matches ( {@link IUndoContext#matches(IUndoContext)}) another context.
@param context the context to be added

     * possible. This is necessary for the UI Redo possibility being activated.
     */
    protected void simulateUndo() {
        IUndoableOperation auxOp = new NullOperation();
        try {
            auxOp.addContext(context);
            eclipseHistory.execute(auxOp, null, null);
            eclipseHistory.undo(context, null, null);
            if (!eclipseHistory.canRedo(context))
                log.error("Simulating Undo failed");
        } catch (ExecutionException e) {

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      // First replace the undo context
      IUndoableOperation op= operations[i];
      if (op instanceof IContextReplacingOperation) {
        ((IContextReplacingOperation)op).replaceContext(oldUndoContext, getUndoContext());
      } else {
        op.addContext(getUndoContext());
        op.removeContext(oldUndoContext);
      }
      // Now update the manager that owns the text edit.
      if (op instanceof UndoableTextChange) {
        ((UndoableTextChange)op).fDocumentUndoManager= this;

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