/*
   * (non-Javadoc)
   *
   * @see
   * org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#estimateRowSize
   * (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter)
   */
  @Override
  public int estimateRowSize(Composite subComposite, IElementParameter param) {
    if (!estimateInitialized) {
      DecoratedField dField =
          new DecoratedField(
              subComposite,
              SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP,
              new TextControlCreator());
      Text text = (Text) dField.getControl();
      FormData d = (FormData) text.getLayoutData();
      d.height = text.getLineHeight();
      text.getParent().setSize(subComposite.getSize().x, text.getLineHeight());
      Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
      rowSizeByLine = text.getLineHeight();
      dField.getLayoutControl().dispose();
      rowSizeFixed = ITabbedPropertyConstants.VSPACE + (initialSize.y - rowSizeByLine);
      estimateInitialized = true;
    }

    return rowSizeFixed + (rowSizeByLine * param.getNbLines());
  }
  /*
   * (non-Javadoc)
   *
   * @see
   * org.talend.designer.core.ui.editor.properties2.editors.AbstractElementPropertySectionController#createControl()
   */
  @Override
  public Control createControl(
      final Composite subComposite,
      final IElementParameter param,
      final int numInRow,
      final int nbInRow,
      final int top,
      final Control lastControl) {
    this.curParameter = param;
    this.paramFieldType = param.getFieldType();
    int nbLines = param.getNbLines();

    DecoratedField dField =
        new DecoratedField(
            subComposite,
            SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP,
            new SelectAllTextControlCreator());
    if (param.isRequired()) {
      FieldDecoration decoration =
          FieldDecorationRegistry.getDefault()
              .getFieldDecoration(FieldDecorationRegistry.DEC_REQUIRED);
      dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.TOP, false);
    }
    Control cLayout = dField.getLayoutControl();
    Text text = (Text) dField.getControl();

    editionControlHelper.register(param.getName(), text);

    FormData d = (FormData) text.getLayoutData();
    if (getAdditionalHeightSize() != 0) {
      nbLines += this.getAdditionalHeightSize() / text.getLineHeight();
    }
    d.height = text.getLineHeight() * nbLines;
    FormData data;
    text.getParent().setSize(subComposite.getSize().x, text.getLineHeight() * nbLines);
    cLayout.setBackground(subComposite.getBackground());
    // for bug 7580
    if (!(text instanceof Text)) {
      text.setEnabled(!param.isReadOnly());
    } else {
      text.setEditable(!param.isReadOnly());
    }
    IPreferenceStore preferenceStore = CorePlugin.getDefault().getPreferenceStore();
    String fontType = preferenceStore.getString(TalendDesignerPrefConstants.MEMO_TEXT_FONT);
    FontData fontData = new FontData(fontType);
    Font font = new Font(null, fontData);
    addResourceDisposeListener(text, font);
    text.setFont(font);
    if (elem instanceof Node) {
      text.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
    }
    addDragAndDropTarget(text);

    CLabel labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName());
    data = new FormData();
    if (lastControl != null) {
      data.left = new FormAttachment(lastControl, 0);
    } else {
      data.left = new FormAttachment((((numInRow - 1) * MAX_PERCENT) / nbInRow), 0);
    }
    data.top = new FormAttachment(0, top);
    labelLabel.setLayoutData(data);
    if (numInRow != 1) {
      labelLabel.setAlignment(SWT.RIGHT);
    }
    // *********************
    data = new FormData();
    int currentLabelWidth = STANDARD_LABEL_WIDTH;
    GC gc = new GC(labelLabel);
    Point labelSize = gc.stringExtent(param.getDisplayName());
    gc.dispose();

    if ((labelSize.x + ITabbedPropertyConstants.HSPACE) > currentLabelWidth) {
      currentLabelWidth = labelSize.x + ITabbedPropertyConstants.HSPACE;
    }

    if (numInRow == 1) {
      if (lastControl != null) {
        data.left = new FormAttachment(lastControl, currentLabelWidth);
      } else {
        data.left = new FormAttachment(0, currentLabelWidth);
      }

    } else {
      data.left = new FormAttachment(labelLabel, 0, SWT.RIGHT);
    }
    data.right = new FormAttachment((numInRow * MAX_PERCENT) / nbInRow, 0);
    data.top = new FormAttachment(0, top);
    cLayout.setLayoutData(data);
    // **********************
    hashCurControls.put(param.getName(), text);

    Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);

    dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
    return null;
  }