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JSF components and utilities that can be used with any JSF implementation.
This library is compatible with both JSF1.1 and JSF1.2; however for JSF1.2 users there
is an alternative build of Tomahawk available that takes advantage of JSF1.2 features to
offer some additional benefits.
/*
* 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.renderkit.html.ext;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UIData;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.component.html.ext.HtmlDataTable;
import org.apache.myfaces.component.NewspaperTable;
import org.apache.myfaces.custom.column.HtmlColumn;
import org.apache.myfaces.custom.column.HtmlSimpleColumn;
import org.apache.myfaces.custom.crosstable.UIColumns;
import org.apache.myfaces.renderkit.html.util.ColumnInfo;
import org.apache.myfaces.renderkit.html.util.RowInfo;
import org.apache.myfaces.renderkit.html.util.TableContext;
//import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.Styles;
import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase;
import org.apache.myfaces.shared_tomahawk.util.ArrayUtils;
import javax.faces.component.ValueHolder;
import javax.faces.convert.Converter;
import java.util.*;
/**
* Renderer for the Tomahawk extended HtmlDataTable component.
*
* @author Manfred Geiler (latest modification by $Author: paulsp $)
* @version $Revision: 491565 $ $Date: 2007-01-01 13:54:00 +0100 (Mo, 01 Jän 2007) $
*/
public class HtmlTableRenderer extends HtmlTableRendererBase
{
private static final Log log = LogFactory.getLog(HtmlTableRenderer.class);
/** DetailStamp facet name. */
public static final String DETAIL_STAMP_FACET_NAME = "detailStamp";
private static final String BODY_STYLE_CLASS = "bodyStyleClass";
private static final String BODY_STYLE = "bodyStyle";
/**
* @param component dataTable
* @return number of layout columns
*/
protected int getNewspaperColumns(UIComponent component) {
if (component instanceof NewspaperTable)
{
// the number of slices to break the table up into */
NewspaperTable newspaperTable = (NewspaperTable)component;
return newspaperTable.getNewspaperColumns();
}
return super.getNewspaperColumns(component);
}
/**
* @param component dataTable
* @return component to display between layout columns
*/
protected UIComponent getNewspaperTableSpacer(UIComponent component) {
if (component instanceof NewspaperTable)
{
// the number of slices to break the table up into */
NewspaperTable newspaperTable = (NewspaperTable)component;
return newspaperTable.getSpacer();
}
return super.getNewspaperTableSpacer(component);
}
/**
* @param component dataTable
* @return whether dataTable has component to display between layout columns
*/
protected boolean hasNewspaperTableSpacer(UIComponent component) {
if (null != getNewspaperTableSpacer(component))
{
return true;
}
return super.hasNewspaperTableSpacer(component);
}
/**
* @param component dataTable
* @return if the orientation of the has newspaper columns is horizontal
*/
protected boolean isNewspaperHorizontalOrientation(UIComponent component) {
if (component instanceof NewspaperTable)
{
// get the value of the newspaperOrientation attribute, any value besides horizontal
// means vertical, the default
NewspaperTable newspaperTable = (NewspaperTable)component;
return NewspaperTable.NEWSPAPER_HORIZONTAL_ORIENTATION.equals(newspaperTable.getNewspaperOrientation());
}
return super.isNewspaperHorizontalOrientation(component);
}
protected void afterRow(FacesContext facesContext, UIData uiData) throws IOException {
super.afterRow(facesContext, uiData);
renderDetailRow(facesContext, uiData);
}
/**
*
* @param facesContext
* @param uiData
* @throws IOException
*/
private void renderDetailRow(FacesContext facesContext, UIData uiData) throws IOException {
UIComponent detailStampFacet = uiData.getFacet(DETAIL_STAMP_FACET_NAME);
if(uiData instanceof HtmlDataTable ){
HtmlDataTable htmlDataTable = (HtmlDataTable)uiData;
if(htmlDataTable.isCurrentDetailExpanded()){
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.TR_ELEM,uiData);
writer.startElement(HTML.TD_ELEM,uiData);
writer.writeAttribute(HTML.COLSPAN_ATTR,new Integer(uiData.getChildren().size()) ,null);
if(detailStampFacet!=null){
RendererUtils.renderChild(facesContext, detailStampFacet);
}
writer.endElement(HTML.TD_ELEM);
writer.endElement(HTML.TR_ELEM);
}
}
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#encodeBegin(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
if (uiComponent instanceof HtmlDataTable)
{
HtmlDataTable htmlDataTable = (HtmlDataTable) uiComponent;
if (htmlDataTable.isRenderedIfEmpty() || htmlDataTable.getRowCount() > 0)
{
super.encodeBegin(facesContext, uiComponent);
}
}
else
{
super.encodeBegin(facesContext, uiComponent);
}
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#encodeChildren(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException
{
if (component instanceof HtmlDataTable)
{
HtmlDataTable htmlDataTable = (HtmlDataTable) component;
if (htmlDataTable.isRenderedIfEmpty() || htmlDataTable.getRowCount() > 0)
{
super.encodeChildren(facesContext, component);
}
}
else
{
super.encodeChildren(facesContext, component);
}
}
private boolean isGroupedTable(UIData uiData)
{
if(uiData instanceof HtmlDataTable)
{
List children = getChildren(uiData);
for (int j = 0, size = getChildCount(uiData); j < size; j++)
{
UIComponent child = (UIComponent) children.get(j);
if(child instanceof HtmlSimpleColumn)
{
HtmlSimpleColumn column = (HtmlSimpleColumn) child;
if(column.isGroupBy())return true;
}
}
}
return false; //To change body of created methods use File | Settings | File Templates.
}
protected void beforeBody(FacesContext facesContext, UIData uiData) throws IOException
{
if(isGroupedTable(uiData))
{
createColumnInfos((HtmlDataTable) uiData, facesContext);
}
super.beforeBody(facesContext,uiData);
}
private void createColumnInfos(HtmlDataTable htmlDataTable, FacesContext facesContext)
throws IOException
{
int first = htmlDataTable.getFirst();
int rows = htmlDataTable.getRows();
int last;
int currentRowSpan=-1;
int currentRowInfoIndex=-1;
TableContext tableContext=htmlDataTable.getTableContext();
RowInfo rowInfo=null;
ColumnInfo columnInfo=null;
HtmlSimpleColumn currentColumn=null;
Map groupHashTable = new HashMap();
if (rows <= 0)
{
last = htmlDataTable.getRowCount();
}
else
{
last = first + rows;
}
//Loop over the Children Columns to find the Columns with groupBy Attribute true
List children = getChildren(htmlDataTable);
int nChildren = getChildCount(htmlDataTable);
for (int j = 0, size = nChildren; j < size; j++)
{
UIComponent child = (UIComponent) children.get(j);
if(child instanceof HtmlSimpleColumn)
{
currentColumn = (HtmlSimpleColumn) child;
if(currentColumn.isGroupBy())
{
groupHashTable.put(new Integer(j),"");
}
}
}
boolean groupEndReached = false;
for (int rowIndex = first; last==-1 || rowIndex < last; rowIndex++)
{
htmlDataTable.setRowIndex(rowIndex);
rowInfo = new RowInfo();
//scrolled past the last row
if (!htmlDataTable.isRowAvailable())
break;
Set groupIndexList = groupHashTable.keySet();
StringBuffer currentColumnContent = null;
for(Iterator it = groupIndexList.iterator(); it.hasNext(); )
{
currentColumnContent = new StringBuffer();
Integer currentIndex=(Integer) it.next();
currentColumn = (HtmlSimpleColumn) children.get(currentIndex.intValue());
List currentColumnChildren = currentColumn.getChildren();
for (int j = 0, size = currentColumnChildren.size(); j < size; j++)
{
UIComponent currentColumnChild = (UIComponent) currentColumnChildren.get(j);
if (currentColumnChild.isRendered() && currentColumnChild instanceof ValueHolder)
{
Object value = ((ValueHolder) currentColumnChild).getValue();
if (value != null) {
Converter converter =
HtmlRendererUtils.findUIOutputConverterFailSafe(facesContext, currentColumnChild);
currentColumnContent.append(
RendererUtils.getConvertedStringValue(facesContext, currentColumnChild,
converter, value)); // TODO converter
}
}
}
if (currentColumnContent.toString().compareTo(
(groupHashTable.get(currentIndex)).toString())!=0 &&
currentRowInfoIndex > -1)
{
groupEndReached = true;
groupHashTable.put(currentIndex,currentColumnContent);
}
else if(currentRowInfoIndex == -1)
{
groupHashTable.put(currentIndex,currentColumnContent);
}
}
currentRowSpan++;
for (int j = 0, size = nChildren; j < size; j++)
{
columnInfo = new ColumnInfo();
if(groupHashTable.containsKey(new Integer(j))) // Column is groupBy
{
if(currentRowSpan > 0)
{
if(groupEndReached)
{
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex-currentRowSpan+1)).
getColumnInfos().get(j)).
setRowSpan(currentRowSpan);
columnInfo.setStyle(htmlDataTable.getRowGroupStyle());
columnInfo.setStyleClass(htmlDataTable.getRowGroupStyleClass());
}
else
{
columnInfo.setRendered(false);
}
}
else
{
columnInfo.setStyle(htmlDataTable.getRowGroupStyle());
columnInfo.setStyleClass(htmlDataTable.getRowGroupStyleClass());
}
}
else // Column is not group by
{
if(groupEndReached)
{
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex)).
getColumnInfos().get(j)).
setStyle(htmlDataTable.getRowGroupStyle());
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex)).
getColumnInfos().get(j)).
setStyleClass(htmlDataTable.getRowGroupStyleClass());
}
}
rowInfo.getColumnInfos().add(columnInfo);
}
if(groupEndReached)
{
currentRowSpan=0;
groupEndReached = false;
}
tableContext.getRowInfos().add(rowInfo);
currentRowInfoIndex++;
}
for (int j = 0, size = nChildren; j < size; j++)
{
if(groupHashTable.containsKey(new Integer(j))) // Column is groupBy
{
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex-currentRowSpan)).
getColumnInfos().get(j)).
setRowSpan(currentRowSpan+1);
}
else // Column is not group by
{
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex)).
getColumnInfos().get(j)).
setStyle(htmlDataTable.getRowGroupStyle());
((ColumnInfo)
((RowInfo)
tableContext.getRowInfos().get(currentRowInfoIndex)).
getColumnInfos().get(j)).
setStyleClass(htmlDataTable.getRowGroupStyleClass());
}
}
htmlDataTable.setRowIndex(-1);
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#encodeEnd(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
if (uiComponent instanceof HtmlDataTable)
{
HtmlDataTable htmlDataTable = (HtmlDataTable) uiComponent;
if (htmlDataTable.isRenderedIfEmpty() || htmlDataTable.getRowCount() > 0)
{
super.encodeEnd(facesContext, uiComponent);
}
}
else
{
super.encodeEnd(facesContext, uiComponent);
}
}
protected void renderRowStart(FacesContext facesContext,
ResponseWriter writer, UIData uiData, Styles styles, int rowStyleIndex)
throws IOException
{
super.renderRowStart(facesContext, writer, uiData, styles, rowStyleIndex);
// get event handlers from component
HtmlDataTable table = (HtmlDataTable) uiData;
renderRowAttribute(writer, HTML.ONCLICK_ATTR, table.getRowOnClick());
renderRowAttribute(writer, HTML.ONDBLCLICK_ATTR, table.getRowOnDblClick());
renderRowAttribute(writer, HTML.ONKEYDOWN_ATTR, table.getRowOnKeyDown());
renderRowAttribute(writer, HTML.ONKEYPRESS_ATTR, table.getRowOnKeyPress());
renderRowAttribute(writer, HTML.ONKEYUP_ATTR, table.getRowOnKeyUp());
renderRowAttribute(writer, HTML.ONMOUSEDOWN_ATTR, table.getRowOnMouseDown());
renderRowAttribute(writer, HTML.ONMOUSEMOVE_ATTR, table.getRowOnMouseMove());
renderRowAttribute(writer, HTML.ONMOUSEOUT_ATTR, table.getRowOnMouseOut());
renderRowAttribute(writer, HTML.ONMOUSEOVER_ATTR, table.getRowOnMouseOver());
renderRowAttribute(writer, HTML.ONMOUSEUP_ATTR, table.getRowOnMouseUp());
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#renderRowStyle(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIData, java.util.Iterator)
*/
protected void renderRowStyle(FacesContext facesContext, ResponseWriter writer, UIData uiData, Styles styles, int rowStyleIndex) throws IOException
{
String rowStyleClass;
String rowStyle;
if (uiData instanceof HtmlDataTable)
{
HtmlDataTable datatable = (HtmlDataTable) uiData;
rowStyleClass = datatable.getRowStyleClass();
rowStyle = datatable.getRowStyle();
}
else
{
rowStyleClass = (String) uiData.getAttributes().get(JSFAttr.ROW_STYLECLASS_ATTR);
rowStyle = (String) uiData.getAttributes().get(JSFAttr.ROW_STYLE_ATTR);
}
if(rowStyleClass == null)
{
super.renderRowStyle(facesContext, writer, uiData, styles, rowStyleIndex);
}
else
{
writer.writeAttribute(HTML.CLASS_ATTR, rowStyleClass, null);
}
if(rowStyle != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, rowStyle, null);
}
}
protected void renderRowAttribute(ResponseWriter writer,
String htmlAttribute, Object value) throws IOException
{
if (value != null)
{
writer.writeAttribute(htmlAttribute, value, null);
}
}
/**
* Render the specified column object using the current row data.
*
* When the component is a UIColumn object, the inherited method is
* invoked to render a single table cell.
*
* In addition to the inherited functionality, support is implemented
* here for UIColumns children. When a UIColumns child is encountered:
*
* For each dynamic column in that UIColumns child:
* * Select the column (which sets variable named by the var attribute
* to refer to the current column object)
* * Call this.renderColumnBody passing the UIColumns object.
*
* The renderColumnBody method eventually:
*
* - emits TD
*
- calls encodeBegin on the UIColumns (which does nothing)
*
- calls rendering methods on all children of the UIColumns
*
- calls encodeEnd on the UIColumns (which does nothing)
*
- emits /TD
*
* If the children of the UIColumns access the variable named by the var
* attribute on the UIColumns object, then they end up rendering content
* that is extracted from the current column object.
*
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#encodeColumnChild(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIData, javax.faces.component.UIComponent, java.util.Iterator)
*/
protected void encodeColumnChild(FacesContext facesContext,
ResponseWriter writer, UIData uiData,
UIComponent component, Styles styles, int columnStyleIndex)
throws IOException
{
super.encodeColumnChild(facesContext, writer, uiData, component,
styles, columnStyleIndex);
if (component instanceof UIColumns)
{
UIColumns columns = (UIColumns) component;
for (int k = 0, colSize = columns.getRowCount(); k < colSize; k++)
{
columns.setRowIndex(k);
renderColumnBody(facesContext, writer, uiData, component,
styles, columnStyleIndex);
}
columns.setRowIndex(-1);
}
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#renderColumnBody(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIData, javax.faces.component.UIComponent, java.util.Iterator)
*/
protected void renderColumnBody(FacesContext facesContext,
ResponseWriter writer, UIData uiData,
UIComponent component, Styles styles, int columnStyleIndex)
throws IOException
{
if (isGroupedTable(uiData)){
HtmlDataTable htmlDataTable = (HtmlDataTable) uiData;
List tableChildren = htmlDataTable.getChildren();
int first = htmlDataTable.getFirst();
int rowInfoIndex= htmlDataTable.getRowIndex()-first;
int columnInfoIndex = tableChildren.indexOf(component);
RowInfo rowInfo = (RowInfo) htmlDataTable.getTableContext().getRowInfos().get(rowInfoIndex);
ColumnInfo columnInfo= (ColumnInfo) rowInfo.getColumnInfos().get(columnInfoIndex);
if(!columnInfo.isRendered()) return;
if (component instanceof HtmlColumn && amISpannedOver(null, component))
return;
writer.startElement(HTML.TD_ELEM, uiData);
String styleClass = ((HtmlColumn) component).getStyleClass();
if(columnInfo.getStyleClass()!= null)
{
styleClass = columnInfo.getStyleClass();
}
if(styles.hasColumnStyle())
{
if (styleClass == null)
{
styleClass = styles.getColumnStyle(columnStyleIndex);
}
}
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, null);
}
if (columnInfo.getStyle() != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, columnInfo.getStyle(), null);
}
if (columnInfo.getRowSpan() > 1)
{
writer.writeAttribute("rowspan", new Integer(columnInfo.getRowSpan()).toString(), null);
if (columnInfo.getStyle() == null)
{
writer.writeAttribute(HTML.STYLE_ATTR, "vertical-align:top", null);
}
}
renderHtmlColumnAttributes(writer, component, null);
RendererUtils.renderChild(facesContext, component);
writer.endElement(HTML.TD_ELEM);
}
else if (component instanceof HtmlColumn)
{
if (amISpannedOver(null, component))
return;
writer.startElement(HTML.TD_ELEM, uiData);
String styleClass = ((HtmlColumn) component).getStyleClass();
if(styles.hasColumnStyle())
{
if (styleClass == null)
{
styleClass = styles.getColumnStyle(columnStyleIndex);
}
}
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, null);
}
renderHtmlColumnAttributes(writer, component, null);
RendererUtils.renderChild(facesContext, component);
writer.endElement(HTML.TD_ELEM);
}
else
{
super.renderColumnBody(facesContext, writer, uiData, component,
styles, columnStyleIndex);
}
}
/**
* Render the header or footer of the specified column object.
*
* When the component is a UIColumn object, the inherited method is
* invoked to render a single header cell.
*
* In addition to the inherited functionality, support is implemented
* here for UIColumns children. When a UIColumns child is encountered:
*
* For each dynamic column in that UIColumns child:
* * Select the column (which sets variable named by the var attribute
* to refer to the current column object)
* * Call this.renderColumnHeaderCell or this.renderColumnFooterCell
* passing the header or footer facet of the UIColumns object.
*
* If the facet of the UIColumns accesses the variable named by the var
* attribute on the UIColumns object, then it ends up rendering content
* that is extracted from the current column object.
*
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#renderColumnChildHeaderOrFooterRow(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIComponent, java.lang.String, boolean)
*/
protected void renderColumnChildHeaderOrFooterRow(
FacesContext facesContext, ResponseWriter writer,
UIComponent uiComponent, String styleClass, boolean header)
throws IOException
{
super.renderColumnChildHeaderOrFooterRow(facesContext, writer,
uiComponent, styleClass, header);
if (uiComponent instanceof UIColumns)
{
UIColumns columns = (UIColumns) uiComponent;
for (int i = 0, size = columns.getRowCount(); i < size; i++)
{
columns.setRowIndex(i);
if (header)
{
renderColumnHeaderCell(facesContext, writer, columns,
columns.getHeader(), styleClass, 0);
}
else
{
renderColumnFooterCell(facesContext, writer, columns,
columns.getFooter(), styleClass, 0);
}
}
columns.setRowIndex(-1);
}
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#renderColumnHeaderCell(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIComponent, javax.faces.component.UIComponent, java.lang.String, int)
*/
protected void renderColumnHeaderCell(FacesContext facesContext,
ResponseWriter writer, UIComponent uiComponent,
UIComponent facet, String headerStyleClass, int colspan)
throws IOException
{
if (uiComponent instanceof HtmlColumn)
{
if (amISpannedOver("header", uiComponent))
return;
writer.startElement(HTML.TH_ELEM, uiComponent);
if (colspan > 1)
{
writer.writeAttribute(HTML.COLSPAN_ATTR, new Integer(colspan),
null);
}
String styleClass = ((HtmlColumn) uiComponent)
.getHeaderstyleClass();
if (styleClass == null)
{
styleClass = headerStyleClass;
}
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, null);
}
renderHtmlColumnAttributes(writer, uiComponent, "header");
if (facet != null)
{
RendererUtils.renderChild(facesContext, facet);
}
writer.endElement(HTML.TH_ELEM);
}
else
{
super.renderColumnHeaderCell(facesContext, writer, uiComponent,
facet, headerStyleClass, colspan);
}
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#renderColumnFooterCell(javax.faces.context.FacesContext, javax.faces.context.ResponseWriter, javax.faces.component.UIComponent, javax.faces.component.UIComponent, java.lang.String, int)
*/
protected void renderColumnFooterCell(FacesContext facesContext,
ResponseWriter writer, UIComponent uiComponent,
UIComponent facet, String footerStyleClass, int colspan)
throws IOException
{
if (uiComponent instanceof HtmlColumn)
{
if (amISpannedOver("footer", uiComponent))
return;
writer.startElement(HTML.TD_ELEM, uiComponent);
if (colspan > 1)
{
writer.writeAttribute(HTML.COLSPAN_ATTR, new Integer(colspan),
null);
}
String styleClass = ((HtmlColumn) uiComponent)
.getFooterstyleClass();
if (styleClass == null)
{
styleClass = footerStyleClass;
}
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, null);
}
renderHtmlColumnAttributes(writer, uiComponent, "footer");
if (facet != null)
{
RendererUtils.renderChild(facesContext, facet);
}
writer.endElement(HTML.TD_ELEM);
}
else
{
super.renderColumnFooterCell(facesContext, writer, uiComponent,
facet, footerStyleClass, colspan);
}
}
protected void renderHtmlColumnAttributes(ResponseWriter writer,
UIComponent uiComponent, String prefix) throws IOException
{
String[] attrs = (String[]) ArrayUtils.concat(HTML.COMMON_PASSTROUGH_ATTRIBUTES_WITHOUT_STYLE, new String[] {HTML.COLSPAN_ATTR});
for (int i = 0, size = attrs.length; i < size; i++)
{
String attributeName = attrs[i];
String compAttrName = prefix != null ? prefix + attributeName : attributeName;
HtmlRendererUtils.renderHTMLAttribute(writer, uiComponent,
compAttrName, attributeName);
}
String compAttrName = prefix != null ? prefix + HTML.STYLE_ATTR : HTML.STYLE_ATTR;
HtmlRendererUtils.renderHTMLAttribute(writer, uiComponent,
compAttrName, HTML.STYLE_ATTR);
HtmlRendererUtils.renderHTMLAttribute(writer, uiComponent,
HTML.WIDTH_ATTR, HTML.WIDTH_ATTR);
}
/**
* Return the number of columns spanned by the specified component.
*
* For normal components, use the inherited implementation.
* For UIColumns children, return the number of dynamic columns rendered
* by that child.
*
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase
* #determineChildColSpan(javax.faces.component.UIComponent)
*/
protected int determineChildColSpan(UIComponent uiComponent)
{
int result = super.determineChildColSpan(uiComponent);
if (uiComponent instanceof UIColumns)
{
result += ((UIColumns) uiComponent).getRowCount();
}
return result;
}
/**
* Return true if the specified component has a facet that needs to be
* rendered in a THEAD or TFOOT section.
*
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase#hasFacet(boolean, javax.faces.component.UIComponent)
*/
protected boolean hasFacet(boolean header, UIComponent uiComponent)
{
boolean result = super.hasFacet(header, uiComponent);
if (!result && uiComponent instanceof UIColumns)
{
// Why is this necessary? It seems to me that the inherited
// implementation will work fine with a UIColumns component...
UIColumns columns = (UIColumns) uiComponent;
result = header ? columns.getHeader() != null : columns.getFooter() != null;
}
return result;
}
/**
* Renders the column footer.
* Rendering will be supressed if all of the facets have rendered="false"
*/
protected void renderColumnFooterRow(FacesContext facesContext, ResponseWriter writer, UIComponent component, String footerStyleClass) throws IOException
{
if (determineRenderFacet(component, false))
{
super.renderColumnFooterRow(facesContext, writer, component, footerStyleClass);
}
}
/**
* Renders the column header.
* Rendering will be supressed if all of the facets have rendered="false"
*/
protected void renderColumnHeaderRow(FacesContext facesContext, ResponseWriter writer, UIComponent component, String headerStyleClass) throws IOException
{
if (determineRenderFacet(component, true))
{
super.renderColumnHeaderRow(facesContext, writer, component, headerStyleClass);
}
}
/**
* determine if the header or footer should be rendered.
*/
protected boolean determineRenderFacet(UIComponent component, boolean header)
{
for (Iterator it = getChildren(component).iterator(); it.hasNext();)
{
UIComponent uiComponent = (UIComponent) it.next();
if(uiComponent.isRendered() && determineChildColSpan(uiComponent) > 0)
{
UIComponent facet = header ? (UIComponent) uiComponent.getFacets().get(HEADER_FACET_NAME)
: (UIComponent) uiComponent.getFacets().get(FOOTER_FACET_NAME);
if (facet != null && facet.isRendered())
{
return true;
}
}
}
return false;
}
protected void beforeColumn(FacesContext facesContext, UIData uiData, int columnIndex) throws IOException
{
super.beforeColumn(facesContext, uiData, columnIndex);
if (uiData instanceof HtmlDataTable)
{
HtmlDataTable dataTable = (HtmlDataTable)uiData;
putSortedReqScopeParam(facesContext, dataTable, columnIndex);
}
}
protected void beforeColumnHeaderOrFooter(FacesContext facesContext, UIData uiData, boolean header, int columnIndex) throws IOException
{
super.beforeColumnHeaderOrFooter(facesContext, uiData, header, columnIndex);
if (header && uiData instanceof HtmlDataTable)
{
HtmlDataTable dataTable = (HtmlDataTable)uiData;
putSortedReqScopeParam(facesContext, dataTable, columnIndex);
}
}
protected void putSortedReqScopeParam(FacesContext facesContext, HtmlDataTable dataTable, int columnIndex)
{
String sortedColumnVar = dataTable.getSortedColumnVar();
Map requestMap = facesContext.getExternalContext().getRequestMap();
if (columnIndex == dataTable.getSortColumnIndex())
{
if (sortedColumnVar != null)
requestMap.put(sortedColumnVar, Boolean.TRUE);
}
else if (sortedColumnVar != null)
requestMap.remove(sortedColumnVar);
}
/**
* specify if the header, footer or
is spanned over (not shown) because
* of a colspan in a cell in a previous column
*
* @param prefix header, footer or null
* @param uiComponent
*/
protected boolean amISpannedOver(String prefix, UIComponent component) {
UIComponent table = component.getParent();
int span = 0;
for (Iterator it = table.getChildren().iterator(); it.hasNext();) {
UIComponent columnComponent = (UIComponent) it.next();
if (!(columnComponent instanceof HtmlColumn))
continue;
if (span > 0)
span--;
if (columnComponent == component)
return span > 0;
if (span == 0) {
try {
if (prefix == null && ((HtmlColumn)columnComponent).getColspan() != null)
span = Integer.parseInt(((HtmlColumn)columnComponent).getColspan());
if ("header".equals(prefix) && ((HtmlColumn)columnComponent).getHeadercolspan() != null)
span = Integer.parseInt(((HtmlColumn)columnComponent).getHeadercolspan());
if ("footer".equals(prefix) && ((HtmlColumn)columnComponent).getFootercolspan() != null)
span = Integer.parseInt(((HtmlColumn)columnComponent).getFootercolspan());
}
catch (NumberFormatException ex) {
log.warn("Invalid " + ((prefix == null) ? "" : prefix) + "colspan attribute ignored");
}
}
}
return false;
}
/**
* Perform any operations necessary in the TBODY start tag.
*
* @param facesContext the FacesContext.
* @param uiData the UIData being rendered.
*/
protected void inBodyStart(FacesContext facesContext, UIData uiData) throws IOException
{
String bodyStyleClass;
String bodyStyle;
if(uiData instanceof HtmlDataTable) {
bodyStyleClass = ((HtmlDataTable)uiData).getBodyStyleClass();
bodyStyle = ((HtmlDataTable)uiData).getBodyStyle();
} else {
bodyStyleClass = (String)uiData.getAttributes().get(BODY_STYLE_CLASS);
bodyStyle = (String)uiData.getAttributes().get(BODY_STYLE);
}
ResponseWriter writer = facesContext.getResponseWriter();
if (bodyStyleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, bodyStyleClass,
BODY_STYLE_CLASS);
}
if (bodyStyle != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, bodyStyle, BODY_STYLE);
}
}
}
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