/*
* 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.CheckboxColumn;
import org.openfaces.component.table.SelectAllCheckbox;
import org.openfaces.org.json.JSONObject;
import org.openfaces.renderkit.TableUtil;
import org.openfaces.renderkit.select.SelectBooleanCheckboxRenderer;
import org.openfaces.util.AnonymousFunction;
import org.openfaces.util.Rendering;
import org.openfaces.util.Resources;
import org.openfaces.util.ScriptBuilder;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;
/**
* @author Dmitry Pikhulya
*/
public class SelectAllCheckboxRenderer extends SelectBooleanCheckboxRenderer {
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
AbstractTable table = getTable(component);
if (table == null)
throw new IllegalStateException("SelectionColumn must be nested inside a table");
BaseColumn col = getColumn(component);
boolean checkBoxColHeader = col instanceof CheckboxColumn;
AbstractTableSelection selection;
if (!checkBoxColHeader) {
selection = table.getSelection();
if (selection == null)
throw new IllegalStateException("<o:selectAllCheckbox> can only be inserted into a DataTable or TreeTable with multiple selection. clientId = " + component.getClientId(context));
boolean multipleRowSelection = selection.isMultipleSelectionAllowed();
if (!multipleRowSelection)
throw new IllegalStateException("<o:selectAllCheckbox> can only be inserted into a DataTable or TreeTable with multiple selection. clientId = " + component.getClientId(context));
} else
selection = null;
SelectAllCheckbox selectAllCheckbox = (SelectAllCheckbox) component;
if (!checkBoxColHeader) {
if (!selection.isEnabled()) {
selectAllCheckbox.setDisabled(true);
}
}
selectAllCheckbox.setSelected(false);
super.encodeBegin(context, component);
}
@Override
protected void renderInitScript(
FacesContext facesContext,
SelectBooleanCheckbox checkbox,
JSONObject imagesObj,
JSONObject stylesObj,
AnonymousFunction onchangeFunction,
boolean triStateAllowed) throws IOException {
super.renderInitScript(facesContext, checkbox, imagesObj, stylesObj, onchangeFunction, triStateAllowed);
AbstractTable table = getTable(checkbox);
if (table == null)
throw new IllegalStateException("SelectionColumn must be nested inside a table");
BaseColumn col = getColumn(checkbox);
FacesContext context = FacesContext.getCurrentInstance();
ScriptBuilder buf = new ScriptBuilder();
Integer checkboxColIndex = col instanceof CheckboxColumn ? table.getRenderedColumns().indexOf(col) : null;
buf.initScript(context, checkbox, "O$.Table._initSelectAllCheckbox", table, checkboxColIndex).semicolon();
Rendering.renderInitScript(context, buf,
Resources.utilJsURL(context),
TableUtil.getTableUtilJsURL(context),
AbstractTableRenderer.getTableJsURL(context)
);
}
private static AbstractTable getTable(UIComponent header) {
for (UIComponent component = header.getParent(); component != null; component = component.getParent())
if (component instanceof AbstractTable)
return (AbstractTable) component;
return null;
}
private static BaseColumn getColumn(UIComponent header) {
for (UIComponent component = header.getParent(); component != null; component = component.getParent())
if (component instanceof BaseColumn)
return (BaseColumn) component;
return null;
}
}