package com.googlecode.gwt.test.uibinder.widget;
import java.util.List;
import java.util.Map;
import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.ui.CellPanel;
import com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant;
import com.google.gwt.user.client.ui.HasVerticalAlignment.VerticalAlignmentConstant;
import com.google.gwt.user.client.ui.IsWidget;
import com.googlecode.gwt.test.uibinder.UiBinderXmlUtils;
import com.googlecode.gwt.test.uibinder.UiObjectTag;
import com.googlecode.gwt.test.uibinder.UiObjectTagFactory;
/**
* Handles subclasses of CellPanel (which declare <g:cell> tags).
*
* @author Gael Lazzari
*
*/
public class UiCellPanelTagFactory implements UiObjectTagFactory<CellPanel> {
private static class UiCellPanelTag extends UiObjectTag<CellPanel> {
private static final String CELL_TAG = "cell";
@Override
protected void appendElement(CellPanel wrapped, Element element, String namespaceURI,
List<IsWidget> childWidgets) {
if (!CELL_TAG.equals(element.getTagName())
|| !UiBinderXmlUtils.CLIENTUI_NSURI.equals(namespaceURI)) {
super.appendElement(wrapped, element, namespaceURI, childWidgets);
} else {
// hanle cell's attributes
String width = element.getAttribute("width");
if (width == null || width.trim().length() == 0) {
width = null;
}
String horizontalAlignment = element.getAttribute("horizontalAlignment");
HorizontalAlignmentConstant hConstant = null;
if (horizontalAlignment != null && horizontalAlignment.trim().length() > 0) {
hConstant = UiBinderXmlUtils.parseHorizontalAlignment(horizontalAlignment.trim());
}
String verticalAlignment = element.getAttribute("verticalAlignment");
VerticalAlignmentConstant vConstant = null;
if (verticalAlignment != null && verticalAlignment.trim().length() > 0) {
vConstant = UiBinderXmlUtils.parseVerticalAlignment(verticalAlignment.trim());
}
// handle cell's child widget and set cell's attributes
for (IsWidget widget : childWidgets) {
wrapped.add(widget);
if (width != null) {
wrapped.setCellWidth(widget, width);
}
if (hConstant != null) {
wrapped.setCellHorizontalAlignment(widget, hConstant);
}
if (vConstant != null) {
wrapped.setCellVerticalAlignment(widget, vConstant);
}
}
}
}
@Override
protected void finalizeObject(CellPanel widget) {
// nothing to do
}
@Override
protected void initializeObject(CellPanel wrapped, Map<String, Object> attributes,
Object owner) {
// nothing to do
}
}
/*
* (non-Javadoc)
*
* @see com.googlecode.gwt.test.uibinder.UiObjectTagFactory#createUiObjectTag (java.lang.Class,
* java.util.Map)
*/
public UiObjectTag<CellPanel> createUiObjectTag(Class<?> clazz, Map<String, Object> attributes) {
if (!CellPanel.class.isAssignableFrom(clazz)) {
return null;
}
return new UiCellPanelTag();
}
}