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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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.component.NewspaperTable;
import org.apache.myfaces.component.html.ext.HtmlDataTable;
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.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.UIComponent;
import javax.faces.component.UIData;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Renderer for the Tomahawk extended HtmlDataTable component.
*
* @JSFRenderer
* renderKitId = "HTML_BASIC"
* family = "javax.faces.Data"
* type = "org.apache.myfaces.Table"
*
* @author Manfred Geiler (latest modification by $Author: imario $)
* @version $Revision: 674502 $ $Date: 2008-07-07 09:23:26 -0500 (Mon, 07 Jul 2008) $
*/
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 startTable(FacesContext facesContext, UIComponent uiComponent) throws IOException {
boolean embedded = isEmbeddedTable(uiComponent);
if (!embedded) {
super.startTable(facesContext, uiComponent);
}
}
protected String determineHeaderFooterTag(FacesContext facesContext, UIComponent component, boolean header) {
if (isEmbeddedTable(component)) {
// we are embedded, so do not render the tfoot/thead stuff
return null;
}
return super.determineHeaderFooterTag(facesContext, component, header);
}
protected String determineHeaderCellTag(FacesContext facesContext, UIComponent component) {
if (isEmbeddedTable(component)) {
return HTML.TD_ELEM;
}
return HTML.TH_ELEM;
}
protected void renderTableHeaderOrFooterRow(FacesContext facesContext, ResponseWriter writer, UIComponent component, UIComponent facet, String styleClass, String colElementName, int colspan) throws IOException {
if (isEmbeddedTable(component)) {
// embedded tables render the header/footer stuff using TD only
colElementName = HTML.TD_ELEM;
}
super.renderTableHeaderOrFooterRow(facesContext, writer, component, facet, styleClass, colElementName, colspan);
}
protected boolean isEmbeddedTable(UIComponent uiComponent) {
boolean embedded = false;
if (uiComponent instanceof HtmlDataTable) {
HtmlDataTable table = (HtmlDataTable) uiComponent;
embedded = table.isEmbedded();
}
return embedded;
}
protected boolean isDetailStampAfterRow(UIComponent uiComponent) {
if (uiComponent instanceof HtmlDataTable) {
return "after".equals(((HtmlDataTable) uiComponent).getDetailStampLocation());
}
return true;
}
protected void endTable(FacesContext facesContext, UIComponent uiComponent) throws IOException {
boolean embedded = isEmbeddedTable(uiComponent);
if (!embedded) {
super.endTable(facesContext, uiComponent);
}
}
protected void beforeRow(FacesContext facesContext, UIData uiData) throws IOException {
super.beforeRow(facesContext, uiData);
if (!isDetailStampAfterRow(uiData)) {
renderDetailRow(facesContext, uiData);
}
}
protected void afterRow(FacesContext facesContext, UIData uiData) throws IOException {
super.afterRow(facesContext, uiData);
if (isDetailStampAfterRow(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()) {
boolean embedded = false;
if (detailStampFacet != null) {
embedded = isEmbeddedTable(detailStampFacet);
}
ResponseWriter writer = facesContext.getResponseWriter();
if (!embedded) {
writer.startElement(HTML.TR_ELEM, uiData);
writer.startElement(HTML.TD_ELEM, uiData);
//TOMAHAWK-1087 datatable dont renders a detail correct
//if a UIColumns is used we have to count UIColumns
//elements as component.getRowCount()
//instead of just get the number of children available,
//so the colspan could be assigned correctly.
int childCount = 0;
for (Iterator childIter = uiData.getChildren().iterator();
childIter.hasNext();)
{
UIComponent childComp = (UIComponent) childIter.next();
if (childComp instanceof UIColumns)
{
UIColumns v = (UIColumns) childComp;
childCount += v.getRowCount();
}
else
{
childCount++;
}
}
writer.writeAttribute(HTML.COLSPAN_ATTR, new Integer(
childCount), null);
}
if (detailStampFacet != null) {
RendererUtils.renderChild(facesContext, detailStampFacet);
}
if (!embedded) {
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), null);
}
}
}
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();
List currentColumnContent = null;
for (Iterator it = groupIndexList.iterator(); it.hasNext();) {
currentColumnContent = new ArrayList();
Integer currentIndex = (Integer) it.next();
currentColumn = (HtmlSimpleColumn) children.get(currentIndex.intValue());
if (currentColumn.isGroupByValueSet()) {
currentColumnContent.add(currentColumn.getGroupByValue());
}
else {
// iterate the children - this avoids to add the column facet too
List currentColumnChildren = currentColumn.getChildren();
if (currentColumnChildren != null) {
collectChildrenValues(currentColumnContent, currentColumnChildren.iterator());
}
}
if (!isListEqual(currentColumnContent, (List) groupHashTable.get(currentIndex)) &&
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++;
}
// do further processing if we've found at least one row
if (currentRowInfoIndex > -1) {
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);
}
protected void collectChildrenValues(List container, Iterator iterChildren) {
while (iterChildren.hasNext()) {
UIComponent child = (UIComponent) iterChildren.next();
if (child.isRendered()) {
if (child instanceof ValueHolder) {
Object value = ((ValueHolder) child).getValue();
container.add(value);
}
// we lave the column ... now iterate the facets too
collectChildrenValues(container, child.getFacetsAndChildren());
}
}
}
/**
* checks if the contenta of both lists are the same.
* Notice: In case both lists are null or empty they are
* considered NOT being equal
*/
protected boolean isListEqual(List list1, List list2) {
if (list1 == list2) {
return list1 != null && list1.size() > 0;
}
if (list1 == null || list2 == null || list1.size() != list2.size()) {
return false;
}
for (int i = 0; i < list1.size(); i++) {
Object o1 = list1.get(i);
Object o2 = list2.get(i);
if (o1 != null && !o1.equals(o2)) {
return false;
}
if (o2 != null && !o2.equals(o1)) {
return false;
}
}
return true;
}
/**
* @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, org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.Styles, int)
*/
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, org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.Styles, int)
*/
protected void encodeColumnChild(FacesContext facesContext,
ResponseWriter writer, UIData uiData,
UIComponent component, Styles styles, int columnStyleIndex)
throws IOException {
//columnStyleIndex param does not takes into
//consideration UIColumns, since it is called from HtmlTableRendererBase.
//So we need to recalculate its index taking into account that
//UIColumns component count as ((UIColumns) child).getRowCount() instead 1
columnStyleIndex = getColumnStyleIndex(uiData, columnStyleIndex);
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 + k);
}
columns.setRowIndex(-1);
}
}
/**
* This method calculates the correct columnStyleIndex taking the dynamic columns
* of UIColumns into consideration
*
* @param uiData
* @param columnStyleIndex
* @return the correct columnStyleIndex
*/
private int getColumnStyleIndex(UIData uiData, int columnStyleIndex)
{
int colStyleIndex = 0;
for (int i = 0; i < columnStyleIndex; i++)
{
UIComponent child = (UIComponent) uiData.getChildren().get(i % uiData.getChildCount());
if (child instanceof UIColumns)
{
colStyleIndex += ((UIColumns) child).getRowCount();
continue;
}
colStyleIndex++;
}
return colStyleIndex;
}
/**
* @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, org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.Styles, int)
*/
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 = null;
if (component instanceof HtmlColumn) {
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) {
HtmlColumn column = (HtmlColumn) uiComponent;
if (amISpannedOver("header", uiComponent)) {
return;
}
writer.startElement(determineHeaderCellTag(facesContext, uiComponent.getParent()), uiComponent);
String columnId = column.getColumnId();
if (columnId != null)
{
writer.writeAttribute(HTML.ID_ATTR, columnId, null);
}
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(determineHeaderCellTag(facesContext, uiComponent.getParent()));
}
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 component
*/
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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