/*
* OpenFaces - JSF Component Library 2.0
* Copyright (C) 2007-2012, TeamDev Ltd.
* licensing@openfaces.org
* Unless agreed in writing the contents of this file are subject to
* the GNU Lesser General Public License Version 2.1 (the "LGPL" License).
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* Please visit http://openfaces.org/licensing/ for more details.
*/
package org.openfaces.renderkit.table;
import org.openfaces.component.select.SelectBooleanCheckbox;
import org.openfaces.component.table.AbstractTable;
import org.openfaces.component.table.AbstractTableSelection;
import org.openfaces.component.table.BaseColumn;
import org.openfaces.component.table.HierarchicalNodeSelection;
import org.openfaces.util.Styles;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import java.io.IOException;
import java.util.Arrays;
/**
* @author Dmitry Pikhulya
*/
public class SelectionColumnRenderer extends BaseColumnRenderer {
@Override
public boolean getRendersChildren() {
return true;
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
if (!component.isRendered())
return;
AbstractTable table = getTable((BaseColumn) component);
if (table == null) {
throw new IllegalStateException("SelectionColumn must be nested inside a DataTable/TreeTable component");
}
AbstractTableSelection selection = table.getSelection();
if (selection == null) {
throw new IllegalStateException("<o:selectionColumn> must be inserted into a DataTable/TreeTable with selection enabled. table id: " + table.getClientId(context));
}
AbstractTableSelection.Mode selectionMode = selection.getSelectionMode();
boolean rowSelection = true; // selection instanceof RowSelection
/*if (!rowSelection)
throw new IllegalStateException("<o:selectionColumn> can only be inserted into a DataTable/TreeTable with row selection. table id: " + table.getClientId(context));
*/
ResponseWriter writer = context.getResponseWriter();
if (selectionMode == AbstractTableSelection.Mode.HIERARCHICAL) {
SelectBooleanCheckbox checkbox = new SelectBooleanCheckbox();
if (selection instanceof HierarchicalNodeSelection) {
checkbox.setTriStateAllowed(true);
checkbox.setStateList(Arrays.asList(SelectBooleanCheckbox.SELECTED_STATE, SelectBooleanCheckbox.UNSELECTED_STATE));
}
checkbox.setSelected(false);
checkbox.encodeAll(context);
} else {
writer.startElement("input", component);
writer.writeAttribute("type", selectionMode != AbstractTableSelection.Mode.SINGLE ? "checkbox" : "radio", null);
Styles.renderStyleClasses(context, component);
writer.endElement("input");
}
}
}