Example usage for com.intellij.openapi.command.undo BasicUndoableAction BasicUndoableAction

Introduction

In this page you can find the example usage for com.intellij.openapi.command.undo BasicUndoableAction BasicUndoableAction.

Prototype

public BasicUndoableAction(VirtualFile @NotNull... files) 

Source Link

Usage

From source file:com.intellij.codeInsight.template.impl.TemplateState.java

License:Apache License

public void start(@NotNull TemplateImpl template, @Nullable final PairProcessor<String, String> processor,
        @Nullable Map<String, String> predefinedVarValues) {
    LOG.assertTrue(!myStarted, "Already started");
    myStarted = true;//w  ww.  j  a  v  a2 s  . com
    myTemplate = template;
    PsiDocumentManager.getInstance(myProject).commitAllDocuments();

    myProcessor = processor;

    DocumentReference[] refs = myDocument == null ? null
            : new DocumentReference[] { DocumentReferenceManager.getInstance().create(myDocument) };
    UndoManager.getInstance(myProject).undoableActionPerformed(new BasicUndoableAction(refs) {
        @Override
        public void undo() {
            if (myDocument != null) {
                fireTemplateCancelled();
                LookupManager.getInstance(myProject).hideActiveLookup();
                int oldVar = myCurrentVariableNumber;
                setCurrentVariableNumber(-1);
                currentVariableChanged(oldVar);
            }
        }

        @Override
        public void redo() {
            //TODO:
            // throw new UnexpectedUndoException("Not implemented");
        }
    });
    myTemplateIndented = false;
    myCurrentVariableNumber = -1;
    mySegments = new TemplateSegments(myEditor);
    myPrevTemplate = myTemplate;

    //myArgument = argument;
    myPredefinedVariableValues = predefinedVarValues;

    if (template.isInline()) {
        int caretOffset = myEditor.getCaretModel().getOffset();
        myTemplateRange = myDocument.createRangeMarker(caretOffset,
                caretOffset + template.getTemplateText().length());
    } else {
        PsiFile file = getPsiFile();
        preprocessTemplate(file, myEditor.getCaretModel().getOffset(), myTemplate.getTemplateText());
        int caretOffset = myEditor.getCaretModel().getOffset();
        myTemplateRange = myDocument.createRangeMarker(caretOffset, caretOffset);
    }
    myTemplateRange.setGreedyToLeft(true);
    myTemplateRange.setGreedyToRight(true);

    processAllExpressions(template);
}

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