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org.primefaces.component.subtable.SubTableRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.component.subtable;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.component.row.Row;
import org.primefaces.renderkit.CoreRenderer;
public class SubTableRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
SubTable table = (SubTable) component;
int rowCount = table.getRowCount();
encodeHeader(context, table);
for (int i = 0; i < rowCount; i++) {
encodeRow(context, table, i);
}
encodeFooter(context, table);
}
public void encodeHeader(FacesContext context, SubTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent header = table.getFacet("header");
if (header != null) {
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-widget-header", null);
writer.startElement("td", null);
writer.writeAttribute("class", DataTable.SUBTABLE_HEADER, null);
writer.writeAttribute("colspan", table.getColumns().size(), null);
header.encodeAll(context);
writer.endElement("td");
writer.endElement("tr");
}
ColumnGroup group = table.getColumnGroup("header");
if (group != null && group.isRendered()) {
for (UIComponent child : group.getChildren()) {
if (child.isRendered() && child instanceof Row) {
Row headerRow = (Row) child;
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-widget-header", null);
for (UIComponent headerRowChild : headerRow.getChildren()) {
if (headerRowChild.isRendered() && headerRowChild instanceof Column) {
Column footerColumn = (Column) headerRowChild;
encodeFacetColumn(context, table, footerColumn, "header", DataTable.COLUMN_HEADER_CLASS, footerColumn.getHeaderText());
}
}
writer.endElement("tr");
}
}
}
}
public void encodeRow(FacesContext context, SubTable table, int rowIndex) throws IOException {
table.setRowIndex(rowIndex);
if (!table.isRowAvailable()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String clientId = table.getClientId(context);
writer.startElement("tr", null);
writer.writeAttribute("id", clientId + "_row_" + rowIndex, null);
writer.writeAttribute("class", DataTable.ROW_CLASS, null);
for (Column column : table.getColumns()) {
String style = column.getStyle();
String styleClass = column.getStyleClass();
writer.startElement("td", null);
if (style != null) writer.writeAttribute("style", style, null);
if (styleClass != null) writer.writeAttribute("class", styleClass, null);
column.encodeAll(context);
writer.endElement("td");
}
writer.endElement("tr");
}
public void encodeFooter(FacesContext context, SubTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent footer = table.getFacet("footer");
if (footer != null) {
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-widget-header", null);
writer.startElement("td", null);
writer.writeAttribute("class", DataTable.SUBTABLE_FOOTER, null);
writer.writeAttribute("colspan", table.getColumns().size(), null);
footer.encodeAll(context);
writer.endElement("td");
writer.endElement("tr");
}
ColumnGroup group = table.getColumnGroup("footer");
if (group == null || !group.isRendered())
return;
for (UIComponent child : group.getChildren()) {
if (child.isRendered() && child instanceof Row) {
Row footerRow = (Row) child;
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-widget-header", null);
for (UIComponent footerRowChild : footerRow.getChildren()) {
if (footerRowChild.isRendered() && footerRowChild instanceof Column) {
Column footerColumn = (Column) footerRowChild;
encodeFacetColumn(context, table, footerColumn, "footer", DataTable.COLUMN_FOOTER_CLASS, footerColumn.getFooterText());
}
}
writer.endElement("tr");
}
}
}
protected void encodeFacetColumn(FacesContext context, SubTable table, Column column, String facetName, String styleClass, String text) throws IOException {
if (!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String style = column.getStyle();
String columnClass = column.getStyleClass();
columnClass = (columnClass == null) ? styleClass : styleClass + " " + columnClass;
writer.startElement("td", null);
writer.writeAttribute("class", columnClass, null);
if (column.getRowspan() != 1) writer.writeAttribute("rowspan", column.getRowspan(), null);
if (column.getColspan() != 1) writer.writeAttribute("colspan", column.getColspan(), null);
if (style != null) writer.writeAttribute("style", style, null);
// Footer content
UIComponent facet = column.getFacet(facetName);
if (facet != null) {
facet.encodeAll(context);
} else if (text != null) {
writer.write(text);
}
writer.endElement("td");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
// Rendering happens on encodeEnd
}
@Override
public boolean getRendersChildren() {
return true;
}
}