/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.FacesEvent;
import org.apache.myfaces.trinidad.bean.FacesBean;
import org.apache.myfaces.trinidad.component.UIXCollection;
import org.apache.myfaces.trinidad.component.UIXTable;
import org.apache.myfaces.trinidad.component.UIXTree;
import org.apache.myfaces.trinidad.context.RenderingContext;
import org.apache.myfaces.trinidad.event.SelectionEvent;
import org.apache.myfaces.trinidad.logging.TrinidadLogger;
import org.apache.myfaces.trinidad.model.RowKeySet;
import org.apache.myfaces.trinidad.render.CoreRenderer;
import org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.SimpleSelectBooleanCheckboxRenderer;
import org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.XhtmlConstants;
import org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.XhtmlRenderer;
public class TableSelectOneRenderer extends XhtmlRenderer
{
public TableSelectOneRenderer(
FacesBean.Type type)
{
super(type);
}
@Override
protected void findTypeConstants(
FacesBean.Type type)
{
super.findTypeConstants(type);
_renderer = createCellRenderer(type);
}
//
// Decode
//
@SuppressWarnings("unchecked")
@Override
protected void decode(
FacesContext facesContext,
UIComponent component,
@SuppressWarnings("unused")
FacesBean facesBean,
@SuppressWarnings("unused")
String clientId)
{
UIXCollection table = (UIXCollection) component;
Object oldKey = table.getRowKey();
try
{
// Set the row key to null to force the clientId to be correct
table.setRowKey(null);
String selectionParam = __getSelectionParameterName(facesContext, table);
Map<String, String> parameters =
facesContext.getExternalContext().getRequestParameterMap();
_LOG.finest("Params:{0}", parameters);
String selection = parameters.get(selectionParam);
if (selection != null)
{
final RowKeySet state;
if (table instanceof UIXTable)
state = ((UIXTable) table).getSelectedRowKeys();
else
state = ((UIXTree) table).getSelectedRowKeys();
table.setClientRowKey(selection);
// If the key is not already selected, or the state is more than one
// (someone changed the table selection from multiple to single),
// update the keys
if (!state.isContained() || state.size() > 1)
{
RowKeySet unselected = state.clone();
// TODO : do not mutate the selectedRowKeys here.
// instead, mutate when event is broadcast:
state.clear();
state.add();
// clone, so that subsequent mutations of "state" will
// not affect the parameters of this event: bug 4733858:
RowKeySet selected = state.clone();
FacesEvent event = new SelectionEvent(table, unselected, selected);
event.queue();
}
}
}
finally
{
table.setRowKey(oldKey);
}
}
//
// Encode
//
@Override
public boolean getRendersChildren()
{
return true;
}
@Override
protected void encodeAll(
FacesContext context,
RenderingContext rc,
UIComponent component,
FacesBean bean
) throws IOException
{
TableRenderingContext tContext =
TableRenderingContext.getCurrentInstance();
if (tContext == null)
{
_LOG.severe("TABLESELECT_COMPONENT_MAY_ONLY_INSIDE_TABLE_AND_TREETABLE");
return;
}
RenderStage stage = tContext.getRenderStage();
switch(stage.getStage())
{
case RenderStage.SUB_CONTROL_BAR_STAGE:
case RenderStage.UPPER_CONTROL_BAR_STAGE:
case RenderStage.LOWER_CONTROL_BAR_STAGE:
break;
case RenderStage.DATA_STAGE:
renderCellContent(context, rc, tContext, component, bean);
break;
default:
throw new AssertionError("bad renderStage:"+stage.getStage());
}
}
protected boolean isSelectOne()
{
return true;
}
protected CoreRenderer createCellRenderer(
FacesBean.Type type)
{
return new Radio(type);
}
protected void renderCellContent(
FacesContext context,
RenderingContext rc,
TableRenderingContext tContext,
UIComponent component,
FacesBean bean
) throws IOException
{
rc.setCurrentClientId(tContext.getTableId());
delegateRenderer(context, rc, component, bean, _renderer);
rc.setCurrentClientId(null);
}
/**
* Get the name of the parameter for the selection; package-private
* for testing.
*/
static String __getSelectionParameterName(
FacesContext context,
UIComponent table)
{
return (table.getClientId(context) +
NamingContainer.SEPARATOR_CHAR +
XhtmlConstants.SELECTED_KEY);
}
public static class Radio extends SimpleSelectBooleanCheckboxRenderer
{
public Radio(
FacesBean.Type type)
{
super(type);
}
@Override
protected String getCompositeId(
String clientId)
{
return null;
}
/**
* we do not want to render the simple span for the checkbox.
*/
@Override
protected boolean getRenderSimpleSpan(
UIComponent component,
FacesBean bean)
{
return false;
}
/**
* don't render a special content style class on the radio.
*/
@Override
protected String getContentStyleClass(
UIComponent component,
FacesBean bean)
{
return null;
}
@Override
protected void renderId(
FacesContext context,
UIComponent component
) throws IOException
{
TableRenderingContext tContext =
TableRenderingContext.getCurrentInstance();
String param = (tContext.getTableId() +
NamingContainer.SEPARATOR_CHAR +
XhtmlConstants.SELECTED_KEY);
ResponseWriter writer = context.getResponseWriter();
writer.writeAttribute("name", param, null);
// =-=AEW Inefficient. We only need the "id" when there's
// a shortDescription (which is when we'll get a label)
if (getShortDesc(component, getFacesBean(component)) != null)
writer.writeAttribute("id", getClientId(context, component), null);
}
@Override
protected String getClientId(
FacesContext context,
UIComponent component)
{
// We use the table's container client ID
return component.getContainerClientId(context);
}
@Override
protected Object getSubmittedValue(
UIComponent component,
FacesBean bean)
{
TableRenderingContext tContext =
TableRenderingContext.getCurrentInstance();
return tContext.getSelectedRowKeys().isContained() ?
Boolean.TRUE : Boolean.FALSE;
}
@Override
protected Object getType()
{
return "radio";
}
@Override
protected Object getValueAttr(
RenderingContext rc)
{
TableRenderingContext tContext =
TableRenderingContext.getCurrentInstance();
return ((UIXCollection) tContext.getCollectionComponent()).
getClientRowKey();
}
@Override
protected String getShortDesc(
UIComponent component,
FacesBean bean)
{
String key = getDefaultShortDescKey();
RenderingContext arc = RenderingContext.getCurrentInstance();
return arc.getTranslatedString(key);
}
protected String getDefaultShortDescKey()
{
return "af_tableSelectOne.SELECT_COLUMN_HEADER";
}
@Override
protected char getAccessKey(
UIComponent component,
FacesBean bean)
{
return CHAR_UNDEFINED;
}
@Override
protected boolean isImmediate(
UIComponent component,
FacesBean bean)
{
TableRenderingContext tContext =
TableRenderingContext.getCurrentInstance();
return tContext.isImmediate();
}
@Override
protected boolean getReadOnly(
FacesContext context,
UIComponent component,
FacesBean bean)
{
return false;
}
@Override
protected boolean getDisabled(
UIComponent component,
FacesBean bean)
{
return false;
}
/**
* @todo Support?
*/
@Override
protected String getOnblur(
UIComponent component,
FacesBean bean)
{
return null;
}
/**
* @todo Support?
*/
@Override
protected String getOnfocus(
UIComponent component,
FacesBean bean)
{
return null;
}
@Override
protected String getOnchange(
UIComponent component,
FacesBean bean)
{
return null;
}
protected String getOnselect(
UIComponent component,
FacesBean bean)
{
return null;
}
@Override
protected String getText(
UIComponent component,
FacesBean bean)
{
return null;
}
}
private CoreRenderer _renderer;
private static final TrinidadLogger _LOG =
TrinidadLogger.createTrinidadLogger(TableSelectOneRenderer.class);
}