protected Control createContents()

in uimaj-ep-cas-editor/src/main/java/org/apache/uima/caseditor/ui/property/AnnotationPropertyPage.java [398:627]
157 lines of code
8 McCabe index (conditional complexity)

  protected Control createContents(Composite parent) {

    // Set a size to fix UIMA-2115
    setSize(new Point(350, 350));

    TypeSystem typeSystem = getTypeSystem();

    if (typeSystem == null) {

      isTypeSystemPresent = false;

      Label message = new Label(parent, SWT.NONE);
      message.setText("Please set a valid typesystem file first.");

      return message;
    }

    Composite base = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    base.setLayout(layout);

    // type text
    Label typeText = new Label(base, SWT.NONE);
    typeText.setText("Annotation types:");

    GridData typeTextGridData = new GridData();
    typeTextGridData.horizontalSpan = 2;
    typeText.setLayoutData(typeTextGridData);

    // type list
    mTypeList = new TableViewer(base, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL);
    GridData typeListGridData = new GridData();
    typeListGridData.horizontalAlignment = SWT.FILL;
    typeListGridData.grabExcessVerticalSpace = true;
    typeListGridData.verticalAlignment = SWT.FILL;
    typeListGridData.verticalSpan = 2;
    mTypeList.getControl().setLayoutData(typeListGridData);

    mTypeList.getTable().setHeaderVisible(true);

    TableViewerColumn typeColumn = new TableViewerColumn(mTypeList, SWT.LEFT);
    typeColumn.getColumn().setText("Type");
    typeColumn.getColumn().setWidth(250);
    typeColumn.setLabelProvider(new CellLabelProvider() {
      @Override
      public void update(ViewerCell cell) {

        Type type = (Type) cell.getElement();

        cell.setText(type.getName());
      }
    });

    TableViewerColumn layerColumn = new TableViewerColumn(mTypeList, SWT.LEFT);
    layerColumn.getColumn().setText("Layer");
    layerColumn.getColumn().setWidth(50);

    layerColumn.setLabelProvider(new CellLabelProvider() {

      @Override
      public void update(ViewerCell cell) {

        Type type = (Type) cell.getElement();

        AnnotationStyle style = getWorkingCopyAnnotationStyle(type);

        cell.setText(Integer.toString(style.getLayer()));
      }
    });

    Type annotationType = typeSystem.getType(CAS.TYPE_NAME_ANNOTATION);

    List<Type> types = typeSystem.getProperlySubsumedTypes(annotationType);

    for (Type type : types) {
      // inserts objects with type Type
      mTypeList.add(type);
    }

    mTypeList.add(annotationType);

    mTypeList.addSelectionChangedListener(new ISelectionChangedListener() {

      @Override
      public void selectionChanged(SelectionChangedEvent event) {
        itemSelected();
      }
    });

    Composite settingsComposite = new Composite(base, SWT.NONE);

    GridLayout settingsLayout = new GridLayout();
    settingsLayout.numColumns = 2;
    settingsComposite.setLayout(settingsLayout);

    // text style combo
    Label styleText = new Label(settingsComposite, SWT.READ_ONLY);

    styleText.setText("Style:");

    // style combo
    mStyleCombo = new Combo(settingsComposite, SWT.READ_ONLY | SWT.DROP_DOWN);
    mStyleCombo.setEnabled(false);
    mStyleCombo.addSelectionListener(new SelectionListener() {
      @Override
      public void widgetSelected(SelectionEvent e) {

        AnnotationStyle style = getWorkingCopyAnnotationStyle(getSelectedType());

        AnnotationStyle newStyle = new AnnotationStyle(style.getAnnotation(),
                AnnotationStyle.Style.valueOf(mStyleCombo.getText()), style.getColor(),
                style.getLayer(), style.getConfiguration());

        updateCustomStyleControl(newStyle, getSelectedType());

        // Is there a nice way to do this ?!
        if (styleConfigurationWidget.isVisible()) {
          String configString = styleConfigurationWidget.getConfiguration();

          if (configString != null) {
            newStyle = new AnnotationStyle(newStyle.getAnnotation(), newStyle.getStyle(),
                    newStyle.getColor(), newStyle.getLayer(), configString);
          }
        }

        setAnnotationStyle(newStyle);
      }

      @Override
      public void widgetDefaultSelected(SelectionEvent e) {
        // called when enter is pressed, not needed
      }

    });
    AnnotationStyle.Style possibleStyles[] = AnnotationStyle.Style.values();

    for (AnnotationStyle.Style style : possibleStyles) {
      mStyleCombo.add(style.name());
    }

    // text color label
    Label colorText = new Label(settingsComposite, SWT.NONE);
    colorText.setText("Color:");

    mColorSelector = new ColorSelector(settingsComposite);
    mColorSelector.setEnabled(false);
    mColorSelector.addListener(new IPropertyChangeListener() {
      @Override
      public void propertyChange(PropertyChangeEvent event) {
        AnnotationStyle style = getWorkingCopyAnnotationStyle(getSelectedType());

        RGB colorRGB = mColorSelector.getColorValue();

        Color color = new Color(colorRGB.red, colorRGB.green, colorRGB.blue);

        setAnnotationStyle(new AnnotationStyle(style.getAnnotation(), style.getStyle(), color,
                style.getLayer(), style.getConfiguration()));
      }
    });

    moveLayerUpButton = new Button(settingsComposite, SWT.NONE);
    moveLayerUpButton.setText("Move layer up");
    GridDataFactory.fillDefaults().span(2, 1).applyTo(moveLayerUpButton);
    moveLayerUpButton.addSelectionListener(new SelectionListener() {

      @Override
      public void widgetDefaultSelected(SelectionEvent e) {
      }

      @Override
      public void widgetSelected(SelectionEvent e) {
        AnnotationStyle style = getWorkingCopyAnnotationStyle(getSelectedType());

        setAnnotationStyle(new AnnotationStyle(style.getAnnotation(),
                AnnotationStyle.Style.valueOf(mStyleCombo.getText()), style.getColor(),
                style.getLayer() + 1, style.getConfiguration()));

        mTypeList.update(getSelectedType(), null);
      }
    });

    moveLayerDownButton = new Button(settingsComposite, SWT.NONE);
    moveLayerDownButton.setText("Move layer down");
    GridDataFactory.fillDefaults().span(2, 1).applyTo(moveLayerDownButton);

    moveLayerDownButton.addSelectionListener(new SelectionListener() {

      @Override
      public void widgetDefaultSelected(SelectionEvent e) {
      }

      @Override
      public void widgetSelected(SelectionEvent e) {

        AnnotationStyle style = getWorkingCopyAnnotationStyle(getSelectedType());

        if (style.getLayer() - 1 >= 0) {
          setAnnotationStyle(new AnnotationStyle(style.getAnnotation(),
                  AnnotationStyle.Style.valueOf(mStyleCombo.getText()), style.getColor(),
                  style.getLayer() - 1, style.getConfiguration()));

          mTypeList.update(getSelectedType(), null);
        }
      }
    });

    // Insert style dependent configuration widget
    styleConfigurationWidget = new TagStyleConfigWidget(settingsComposite);
    GridDataFactory.fillDefaults().span(2, 1).applyTo(styleConfigurationWidget);
    styleConfigurationWidget.setVisible(false);
    styleConfigurationWidget.addListener(new CustomStyleConfigChangeListener() {
      @Override
      public void styleChanged(String configuration) {
        AnnotationStyle style = getWorkingCopyAnnotationStyle(getSelectedType());

        setAnnotationStyle(new AnnotationStyle(style.getAnnotation(), style.getStyle(),
                style.getColor(), style.getLayer(), configuration));
      }
    });

    // There is always at least the AnnotationFS type
    mTypeList.getTable().select(0);

    if (mTypeList.getTable().getSelectionIndex() != -1) {
      itemSelected();
    }

    return base;
  }