/*
* 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.shared_tomahawk.renderkit.html;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
import javax.faces.FacesException;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectBoolean;
import javax.faces.component.UISelectMany;
import javax.faces.component.html.HtmlSelectBooleanCheckbox;
import javax.faces.component.html.HtmlSelectManyCheckbox;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import javax.faces.model.SelectItemGroup;
import java.io.IOException;
import java.util.Iterator;
import java.util.Set;
/**
* @author Thomas Spiegl (latest modification by $Author: lu4242 $)
* @author Anton Koinov
* @version $Revision: 684924 $ $Date: 2008-08-11 15:59:26 -0500 (Mon, 11 Aug 2008) $
*/
public class HtmlCheckboxRendererBase extends HtmlRenderer {
private static final Log log = LogFactory
.getLog(HtmlCheckboxRendererBase.class);
private static final String PAGE_DIRECTION = "pageDirection";
private static final String LINE_DIRECTION = "lineDirection";
private static final String EXTERNAL_TRUE_VALUE = "true";
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.checkParamValidity(facesContext, uiComponent, null);
if (uiComponent instanceof UISelectBoolean) {
Boolean value = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getBooleanValue( uiComponent );
boolean isChecked = value != null ? value.booleanValue() : false;
renderCheckbox(facesContext, uiComponent, EXTERNAL_TRUE_VALUE, false,isChecked, true, null); //TODO: the selectBoolean is never disabled
} else if (uiComponent instanceof UISelectMany) {
renderCheckboxList(facesContext, (UISelectMany) uiComponent);
} else {
throw new IllegalArgumentException("Unsupported component class "
+ uiComponent.getClass().getName());
}
}
public void renderCheckboxList(FacesContext facesContext,
UISelectMany selectMany) throws IOException {
String layout = getLayout(selectMany);
boolean pageDirectionLayout = false; //Default to lineDirection
if (layout != null) {
if (layout.equals(PAGE_DIRECTION)) {
pageDirectionLayout = true;
} else if (layout.equals(LINE_DIRECTION)) {
pageDirectionLayout = false;
} else {
log.error("Wrong layout attribute for component "
+ selectMany.getClientId(facesContext) + ": " + layout);
}
}
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.TABLE_ELEM, selectMany);
HtmlRendererUtils.renderHTMLAttributes(writer, selectMany,
HTML.SELECT_TABLE_PASSTHROUGH_ATTRIBUTES);
HtmlRendererUtils.writeIdIfNecessary(writer, selectMany, facesContext);
if (!pageDirectionLayout)
writer.startElement(HTML.TR_ELEM, selectMany);
Converter converter;
try {
converter = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.findUISelectManyConverter(facesContext,
selectMany);
} catch (FacesException e) {
log.error("Error finding Converter for component with id "
+ selectMany.getClientId(facesContext));
converter = null;
}
Set lookupSet = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getSubmittedValuesAsSet(facesContext, selectMany, converter, selectMany);
boolean useSubmittedValues = lookupSet != null;
if (!useSubmittedValues) {
lookupSet = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getSelectedValuesAsSet(facesContext, selectMany, converter, selectMany);
}
int itemNum = 0;
for (Iterator it = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getSelectItemList(selectMany)
.iterator(); it.hasNext();) {
SelectItem selectItem = (SelectItem) it.next();
renderGroupOrItemCheckbox(facesContext, selectMany,
selectItem, useSubmittedValues, lookupSet,
converter, pageDirectionLayout, new Integer(itemNum));
itemNum++;
}
if (!pageDirectionLayout)
writer.endElement(HTML.TR_ELEM);
writer.endElement(HTML.TABLE_ELEM);
}
protected String getLayout(UISelectMany selectMany) {
if (selectMany instanceof HtmlSelectManyCheckbox) {
return ((HtmlSelectManyCheckbox) selectMany).getLayout();
}
return (String) selectMany.getAttributes().get(JSFAttr.LAYOUT_ATTR);
}
protected void renderGroupOrItemCheckbox(FacesContext facesContext,
UIComponent uiComponent, SelectItem selectItem,
boolean useSubmittedValues, Set lookupSet,
Converter converter, boolean pageDirectionLayout, Integer itemNum) throws IOException
{
ResponseWriter writer = facesContext.getResponseWriter();
boolean isSelectItemGroup = (selectItem instanceof SelectItemGroup);
Object itemValue = selectItem.getValue(); // TODO : Check here for getSubmittedValue. Look at RendererUtils.getValue
UISelectMany selectMany = (UISelectMany) uiComponent;
String itemStrValue = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getConvertedStringValue(facesContext, selectMany, converter, itemValue);
if (isSelectItemGroup)
{
if (pageDirectionLayout)
writer.startElement(HTML.TR_ELEM, selectMany);
writer.startElement(HTML.TD_ELEM, selectMany);
writer.write(selectItem.getLabel());
writer.endElement(HTML.TD_ELEM);
if (pageDirectionLayout)
{
writer.endElement(HTML.TR_ELEM);
writer.startElement(HTML.TR_ELEM, selectMany);
}
writer.startElement(HTML.TD_ELEM, selectMany);
writer.startElement(HTML.TABLE_ELEM, selectMany);
writer.writeAttribute(HTML.BORDER_ATTR, "0", null);
SelectItemGroup group = (SelectItemGroup) selectItem;
SelectItem[] selectItems = group.getSelectItems();
for (int i = 0; i < selectItems.length; i++)
{
renderGroupOrItemCheckbox(facesContext, selectMany, selectItems[i], useSubmittedValues, lookupSet, converter, pageDirectionLayout, new Integer(i));
}
writer.endElement(HTML.TD_ELEM);
writer.endElement(HTML.TR_ELEM);
writer.endElement(HTML.TABLE_ELEM);
writer.endElement(HTML.TD_ELEM);
if (pageDirectionLayout)
writer.endElement(HTML.TR_ELEM);
}
else
{
writer.write("\t\t");
if (pageDirectionLayout)
writer.startElement(HTML.TR_ELEM, selectMany);
writer.startElement(HTML.TD_ELEM, selectMany);
boolean checked = lookupSet.contains(itemStrValue);
boolean disabled = selectItem.isDisabled();
String itemId = renderCheckbox(facesContext, selectMany, itemStrValue, disabled, checked, false, itemNum);
// label element after the input
boolean componentDisabled = isDisabled(facesContext, selectMany);
boolean itemDisabled = (componentDisabled || disabled);
HtmlRendererUtils.renderLabel(writer, selectMany, itemId, selectItem, itemDisabled);
writer.endElement(HTML.TD_ELEM);
if (pageDirectionLayout)
writer.endElement(HTML.TR_ELEM);
}
}
@Deprecated
protected void renderCheckbox(FacesContext facesContext,
UIComponent uiComponent, String value, String label,
boolean disabled, boolean checked, boolean renderId) throws IOException {
renderCheckbox(facesContext, uiComponent, value, disabled, checked, renderId, 0);
}
/**
* Renders the input item
* @return the 'id' value of the rendered element
*/
protected String renderCheckbox(FacesContext facesContext,
UIComponent uiComponent, String value, boolean disabled, boolean checked, boolean renderId, Integer itemNum) throws IOException {
String clientId = uiComponent.getClientId(facesContext);
String itemId = (itemNum == null)? null : clientId + NamingContainer.SEPARATOR_CHAR + itemNum;
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.INPUT_ELEM, uiComponent);
if (itemId != null)
{
writer.writeAttribute(HTML.ID_ATTR, itemId, null);
}
writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_CHECKBOX, null);
writer.writeAttribute(HTML.NAME_ATTR, clientId, null);
if (renderId) {
HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext);
}
if (checked) {
writer.writeAttribute(HTML.CHECKED_ATTR, org.apache.myfaces.shared_tomahawk.renderkit.html.HTML.CHECKED_ATTR, null);
}
if (disabled) {
writer.writeAttribute(HTML.DISABLED_ATTR, HTML.DISABLED_ATTR, null);
}
if ((value != null) && (value.length() > 0)) {
writer.writeAttribute(HTML.VALUE_ATTR, value, null);
}
if (uiComponent instanceof UISelectBoolean)
{
HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent,
HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
}
else
{
HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent,
HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED_AND_STYLE);
}
if (isDisabled(facesContext, uiComponent)) {
writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
}
writer.endElement(HTML.INPUT_ELEM);
return itemId;
}
protected boolean isDisabled(FacesContext facesContext,
UIComponent component) {
//TODO: overwrite in extended HtmlCheckboxRenderer and check for
// enabledOnUserRole
if (component instanceof HtmlSelectBooleanCheckbox) {
return ((HtmlSelectBooleanCheckbox) component).isDisabled();
} else if (component instanceof HtmlSelectManyCheckbox) {
return ((HtmlSelectManyCheckbox) component).isDisabled();
} else {
return org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getBooleanAttribute(component,
HTML.DISABLED_ATTR, false);
}
}
public void decode(FacesContext facesContext, UIComponent component) {
org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.checkParamValidity(facesContext, component, null);
if (component instanceof UISelectBoolean) {
HtmlRendererUtils.decodeUISelectBoolean(facesContext, component);
} else if (component instanceof UISelectMany) {
HtmlRendererUtils.decodeUISelectMany(facesContext, component);
} else {
throw new IllegalArgumentException("Unsupported component class "
+ component.getClass().getName());
}
}
public Object getConvertedValue(FacesContext facesContext,
UIComponent component, Object submittedValue)
throws ConverterException {
org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.checkParamValidity(facesContext, component, null);
if (component instanceof UISelectBoolean) {
return submittedValue;
} else if (component instanceof UISelectMany) {
return org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getConvertedUISelectManyValue(facesContext,
(UISelectMany) component, submittedValue);
} else {
throw new IllegalArgumentException("Unsupported component class "
+ component.getClass().getName());
}
}
}