protected void renderChildren(
FacesContext context, ResponseWriter writer, UIComponent component, int columns)
throws IOException {
String rowClasses;
if (component instanceof HtmlPanelGrid) {
rowClasses = ((HtmlPanelGrid) component).getRowClasses();
} else {
rowClasses = (String) component.getAttributes().get(JSFAttr.ROW_CLASSES_ATTR);
}
String[] rowClassesArray =
(rowClasses == null)
? org.apache.myfaces.shared_tomahawk.util.ArrayUtils.EMPTY_STRING_ARRAY
: StringUtils.trim(StringUtils.splitShortString(rowClasses, ','));
int rowClassesCount = rowClassesArray.length;
int childCount = getChildCount(component);
if (childCount > 0) {
int columnIndex = 0;
int rowClassIndex = 0;
boolean rowStarted = false;
for (Iterator it = getChildren(component).iterator(); it.hasNext(); ) {
UIComponent child = (UIComponent) it.next();
if (child.isRendered()) {
if (columnIndex == 0) {
// start of new/next row
if (rowStarted) {
// do we have to close the last row?
writer.endElement(HTML.LI_ELEM);
HtmlRendererUtils.writePrettyLineSeparator(context);
}
writer.startElement(HTML.LI_ELEM, component);
if (rowClassIndex < rowClassesCount) {
writer.writeAttribute(HTML.CLASS_ATTR, rowClassesArray[rowClassIndex], null);
}
rowStarted = true;
rowClassIndex++;
if (rowClassIndex == rowClassesCount) {
rowClassIndex = 0;
}
}
RendererUtils.renderChild(context, child);
columnIndex++;
if (columnIndex >= columns) {
columnIndex = 0;
}
}
}
if (rowStarted) {
writer.endElement(HTML.LI_ELEM);
HtmlRendererUtils.writePrettyLineSeparator(context);
}
}
}
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
RendererUtils.checkParamValidity(facesContext, component, UIPanel.class);
int columns;
if (component instanceof HtmlPanelGrid) {
columns = ((HtmlPanelGrid) component).getColumns();
} else {
Integer i =
(Integer)
component
.getAttributes()
.get(org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr.COLUMNS_ATTR);
columns = i != null ? i.intValue() : 0;
}
if (columns <= 0) {
if (log.isErrorEnabled()) {
log.error(
"Wrong columns attribute for PanelGrid "
+ component.getClientId(facesContext)
+ ": "
+ columns);
}
columns = 1;
}
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.UL_ELEM, component);
HtmlRendererUtils.writeIdIfNecessary(writer, component, facesContext);
HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.UL_PASSTHROUGH_ATTRIBUTES);
writer.flush();
renderChildren(facesContext, writer, component, columns);
writer.endElement(HTML.UL_ELEM);
}