com.sun.webui.jsf.renderkit.html.TableHeaderRenderer Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://woodstock.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://woodstock.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.webui.jsf.renderkit.html;
import com.sun.faces.annotation.Renderer;
import com.sun.webui.jsf.component.TableColumn;
import com.sun.webui.jsf.component.TableHeader;
import com.sun.webui.jsf.component.TableRowGroup;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.theme.ThemeStyles;
import com.sun.webui.jsf.util.FocusManager;
import com.sun.webui.jsf.util.LogUtil;
import com.sun.webui.jsf.util.RenderingUtilities;
import com.sun.webui.jsf.util.ThemeUtilities;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
/**
* This class renders TableHeader components.
*
* Note: To see the messages logged by this class, set the following global
* defaults in your JDK's "jre/lib/logging.properties" file.
*
* java.util.logging.ConsoleHandler.level = FINE
* com.sun.webui.jsf.renderkit.html.TableHeaderRenderer.level = FINE
*
*/
@Renderer(@Renderer.Renders(componentFamily = "com.sun.webui.jsf.TableHeader"))
public class TableHeaderRenderer extends javax.faces.render.Renderer {
/**
* The set of String pass-through attributes to be rendered.
*
* Note: The WIDTH, HEIGHT, and BGCOLOR attributes are all deprecated (in
* the HTML 4.0 spec) in favor of style sheets. In addition, the DIR and
* LANG attributes are not cuurently supported.
*
*/
private static final String stringAttributes[] = {
"abbr", //NOI18N
"align", //NOI18N
"axis", //NOI18N
"bgColor", //NOI18N
"char", //NOI18N
"charOff", //NOI18N
"dir", //NOI18N
"headers", //NOI18N
"height", //NOI18N
"lang", //NOI18N
"onClick", //NOI18N
"onDblClick", //NOI18N
"onKeyDown", //NOI18N
"onKeyPress", //NOI18N
"onKeyUp", //NOI18N
"onMouseDown", //NOI18N
"onMouseUp", //NOI18N
"onMouseMove", //NOI18N
"onMouseOut", //NOI18N
"onMouseOver", //NOI18N
"scope", //NOI18N
"style", //NOI18N
"valign", //NOI18N
"width"}; //NOI18N
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Renderer methods
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Render the beginning of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be rendered.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
log("encodeBegin", //NOI18N
"Cannot render, FacesContext or UIComponent is null"); //NOI18N
throw new NullPointerException();
}
if (!component.isRendered()) {
log("encodeBegin", "Component not rendered, nothing to display"); //NOI18N
return;
}
TableHeader header = (TableHeader) component;
ResponseWriter writer = context.getResponseWriter();
renderEnclosingTagStart(context, header, writer);
}
/**
* Render the children of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be decoded.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
log("encodeChildren", //NOI18N
"Cannot render, FacesContext or UIComponent is null"); //NOI18N
throw new NullPointerException();
}
if (!component.isRendered()) {
log("encodeChildren", "Component not rendered, nothing to display"); //NOI18N
return;
}
TableHeader header = (TableHeader) component;
ResponseWriter writer = context.getResponseWriter();
// Render headers.
if (header.isGroupHeader()) {
renderGroupHeader(context, header, writer);
} else if (header.isSelectHeader()) {
renderSelectHeader(context, header, writer);
} else if (header.isSortHeader()) {
renderSortHeader(context, header, writer);
} else {
renderColumnHeader(context, header, writer);
}
}
/**
* Render the ending of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be rendered.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
log("encodeEnd", //NOI18N
"Cannot render, FacesContext or UIComponent is null"); //NOI18N
throw new NullPointerException();
}
if (!component.isRendered()) {
log("encodeEnd", "Component not rendered, nothing to display"); //NOI18N
return;
}
TableHeader header = (TableHeader) component;
ResponseWriter writer = context.getResponseWriter();
renderEnclosingTagEnd(context, header, writer);
}
/**
* Return a flag indicating whether this Renderer is responsible
* for rendering the children the component it is asked to render.
* The default implementation returns false.
*/
@Override
public boolean getRendersChildren() {
return true;
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Header methods
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Render column headers for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderColumnHeader(FacesContext context,
TableHeader component, ResponseWriter writer) throws IOException {
if (component == null) {
log("renderColumnHeader", //NOI18N
"Cannot render column header, TableHeader is null"); //NOI18N
return;
}
// Get facet.
TableColumn col = component.getTableColumnAncestor();
UIComponent facet = (col != null)
? col.getFacet(TableColumn.HEADER_FACET) : null;
if (facet != null && facet.isRendered()) {
RenderingUtilities.renderComponent(facet, context);
} else {
// Get style for nested column headers.
TableColumn parent = (col != null) ? col.getTableColumnAncestor() : null;
Iterator kids = (col != null) ? col.getTableColumnChildren() : null;
String styleClass = (kids != null && kids.hasNext())
? ThemeStyles.TABLE_MULTIPLE_HEADER_TEXT
: ThemeStyles.TABLE_HEADER_TEXT;
// If TableColumn has a parent, then it is a leaf node.
if (parent != null) {
writer.writeText("\n", null); //NOI18N
writer.startElement("table", component); //NOI18N
writer.writeAttribute("class", //NOI18N
getTheme().getStyleClass(ThemeStyles.TABLE_HEADER_TABLE), null);
writer.writeAttribute("border", "0", null); //NOI18N
writer.writeAttribute("cellpadding", "0", "cellPadding"); //NOI18N
writer.writeAttribute("cellspacing", "0", "cellSpacing"); //NOI18N
writer.writeText("\n", null); //NOI18N
writer.startElement("tr", component); //NOI18N
writer.writeText("\n", null); //NOI18N
writer.startElement("td", component); //NOI18N
writer.startElement("span", component); //NOI18N
writer.writeAttribute("class", //NOI18N
getTheme().getStyleClass(styleClass), null);
// Render header text.
if (col != null && col.getHeaderText() != null) {
writer.writeText(col.getHeaderText(), null); //NOI18N
}
writer.endElement("span"); //NOI18N
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
writer.endElement("table"); //NOI18N
} else {
writer.startElement("span", component); //NOI18N
writer.writeAttribute("class", //NOI18N
getTheme().getStyleClass(styleClass), null);
// Render header text.
if (col != null && col.getHeaderText() != null) {
writer.writeText(col.getHeaderText(), null); //NOI18N
}
writer.endElement("span"); //NOI18N
}
}
}
/**
* Render select column headers for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderSelectHeader(FacesContext context,
TableHeader component, ResponseWriter writer) throws IOException {
if (component == null) {
log("renderSelectHeader", //NOI18N
"Cannot render select header, TableHeader is null"); //NOI18N
return;
}
// Get facet.
TableColumn col = component.getTableColumnAncestor();
UIComponent facet = (col != null)
? col.getFacet(TableColumn.HEADER_FACET) : null;
if (facet != null && facet.isRendered()) {
RenderingUtilities.renderComponent(facet, context);
} else {
// Render layout table.
writer.writeText("\n", null); //NOI18N
writer.startElement("table", component); //NOI18N
writer.writeAttribute("class", //NOI18N
getTheme().getStyleClass(ThemeStyles.TABLE_HEADER_TABLE), null);
writer.writeAttribute("border", "0", null); //NOI18N
writer.writeAttribute("cellpadding", "0", "cellPadding"); //NOI18N
writer.writeAttribute("cellspacing", "0", "cellSpacing"); //NOI18N
writer.writeText("\n", null); //NOI18N
writer.startElement("tr", component); //NOI18N
// Render sort title.
writer.writeText("\n", null); //NOI18N
writer.startElement("td", component); //NOI18N
writer.writeAttribute("align", component.getAlign(), null); //NOI18N
RenderingUtilities.renderComponent(
component.getSelectSortButton(), context);
writer.endElement("td"); //NOI18N
// Get sort button.
UIComponent child = null;
if (component.getSortLevel() > 0) {
child = component.getToggleSortButton();
} else if (component.getSortCount() > 0) {
// Render add button when any sort has been applied.
child = component.getAddSortButton();
}
// Render sort button.
if (child != null) {
writer.writeText("\n", null); //NOI18N
writer.startElement("td", component); //NOI18N
RenderingUtilities.renderComponent(child, context);
writer.endElement("td"); //NOI18N
// Set the focus to the current sort control.
//
setSortFocus(context, component, child);
}
writer.endElement("tr"); //NOI18N
writer.endElement("table"); //NOI18N
}
}
/**
* Render sort column headers for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderSortHeader(FacesContext context, TableHeader component,
ResponseWriter writer) throws IOException {
if (component == null) {
log("renderSortHeader", //NOI18N
"Cannot render sort header, TableHeader is null"); //NOI18N
return;
}
// Get facet.
TableColumn col = component.getTableColumnAncestor();
UIComponent facet = (col != null)
? col.getFacet(TableColumn.HEADER_FACET) : null;
if (facet != null && facet.isRendered()) {
RenderingUtilities.renderComponent(facet, context);
} else {
// Render layout table so sort link/button may wrap properly.
writer.writeText("\n", null); //NOI18N
writer.startElement("table", component); //NOI18N
writer.writeAttribute("class", //NOI18N
getTheme().getStyleClass(ThemeStyles.TABLE_HEADER_TABLE), null);
writer.writeAttribute("border", "0", null); //NOI18N
writer.writeAttribute("cellpadding", "0", "cellPadding"); //NOI18N
writer.writeAttribute("cellspacing", "0", "cellSpacing"); //NOI18N
writer.writeText("\n", null); //NOI18N
writer.startElement("tr", component); //NOI18N
// Render sort link.
if (col != null && col.getHeaderText() != null) {
writer.writeText("\n", null); //NOI18N
writer.startElement("td", component); //NOI18N
writer.writeAttribute("align", //NOI18N
component.getAlign(), null); //NOI18N
RenderingUtilities.renderComponent(
component.getPrimarySortLink(), context);
writer.endElement("td"); //NOI18N
}
// Get sort button.
UIComponent child = null;
if (component.getSortLevel() > 0) {
child = component.getToggleSortButton();
} else if (component.getSortCount() > 0) {
// Render add button when any sort has been applied.
child = component.getAddSortButton();
} else {
// Render primary sort button when no sorting has been applied.
child = component.getPrimarySortButton();
}
if (child != null) {
// Set the focus to the current sort control.
//
setSortFocus(context, component, child);
}
// Render sort button.
writer.writeText("\n", null); //NOI18N
writer.startElement("td", component); //NOI18N
RenderingUtilities.renderComponent(child, context);
writer.endElement("td"); //NOI18N
writer.endElement("tr"); //NOI18N
writer.endElement("table"); //NOI18N
}
}
/**
* Render group header for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderGroupHeader(FacesContext context,
TableHeader component, ResponseWriter writer) throws IOException {
if (component == null) {
log("renderGroupHeader", //NOI18N
"Cannot render group header, TableHeader is null"); //NOI18N
return;
}
TableRowGroup group = component.getTableRowGroupAncestor();
if (group == null) {
log("renderGroupHeader", //NOI18N
"Cannot render group header, TableRowGroup is null"); //NOI18N
return;
}
// Header facet should override header text.
UIComponent facet = group.getFacet(TableRowGroup.HEADER_FACET);
boolean renderHeader = facet != null && facet.isRendered();
boolean renderText = group.getHeaderText() != null && !renderHeader;
// Don't render controls for an empty group.
boolean renderTableRowGroupControls = !isEmptyGroup(component) && (group != null && group.isSelectMultipleToggleButton() || group.isGroupToggleButton());
if (renderText || renderTableRowGroupControls) {
// Render alignment span.
Theme theme = getTheme();
writer.writeText("\n", null); //NOI18N
writer.startElement("span", component); //NOI18N
writer.writeAttribute("class", //NOI18N
theme.getStyleClass(ThemeStyles.TABLE_GROUP_HEADER_LEFT), null);
// Render table row group controls.
if (renderTableRowGroupControls) {
// Render select multiple toggle button.
if (group.isSelectMultipleToggleButton()) {
writer.writeText("\n", null); //NOI18N
RenderingUtilities.renderComponent(
component.getSelectMultipleToggleButton(), context);
}
// Do not render warning icon unless selectId is used.
if (getSelectId(component) != null) {
writer.writeText("\n", null); //NOI18N
writer.startElement("span", component); //NOI18N
writer.writeAttribute("class", //NOI18N
theme.getStyleClass(ThemeStyles.TABLE_GROUP_HEADER_IMAGE),
null);
writer.writeText("\n", null); //NOI18N
RenderingUtilities.renderComponent(
component.getWarningIcon(), context);
writer.endElement("span"); //NOI18N
}
// Render group toggle button.
if (group.isGroupToggleButton()) {
writer.writeText("\n", null); //NOI18N
RenderingUtilities.renderComponent(
component.getGroupPanelToggleButton(), context);
// Render hidden field for collapsed property.
RenderingUtilities.renderComponent(
component.getCollapsedHiddenField(), context);
}
// Add space between controls and facet text.
if (!renderText) {
writer.write(" "); //NOI18N
}
}
// Render text.
if (renderText) {
writer.writeText("\n", null); //NOI18N
writer.startElement("span", component); //NOI18N
writer.writeAttribute("class", //NOI18N
theme.getStyleClass(ThemeStyles.TABLE_GROUP_HEADER_TEXT),
null);
writer.writeText(group.getHeaderText(), null);
writer.endElement("span"); //NOI18N
}
writer.endElement("span"); //NOI18N
} else {
log("renderGroupHeader", //NOI18N
"Group controls not rendered, empty group found"); //NOI18N
}
// Render facet.
if (renderHeader) {
RenderingUtilities.renderComponent(facet, context);
}
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Enclosing tag methods
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Render enclosing tag for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderEnclosingTagStart(FacesContext context,
TableHeader component, ResponseWriter writer) throws IOException {
if (component == null) {
log("renderEnclosingTagStart", //NOI18N
"Cannot render enclosing tag, TableHeader is null"); //NOI18N
return;
}
writer.writeText("\n", null); //NOI18N
writer.startElement("th", component); //NOI18N
writer.writeAttribute("id", component.getClientId(context), null); //NOI18N
// Render style class.
String extraHtml = RenderingUtilities.renderStyleClass(context, writer,
component, getStyleClass(component), component.getExtraHtml());
// Render colspan.
if (component.getColSpan() > -1 && (extraHtml == null || extraHtml.indexOf("colspan=") == -1)) { //NOI18N
writer.writeAttribute("colspan", //NOI18N
Integer.toString(component.getColSpan()), null); //NOI18N
}
// Render rowspan.
if (component.getRowSpan() > -1 && (extraHtml == null || extraHtml.indexOf("rowspan=") == -1)) { //NOI18N
writer.writeAttribute("rowspan", //NOI18N
Integer.toString(component.getRowSpan()), null); //NOI18N
}
// Render nowrap.
if (component.isNoWrap() && (extraHtml == null || extraHtml.indexOf("nowrap=") == -1)) { //NOI18N
writer.writeAttribute("nowrap", "nowrap", null); //NOI18N
}
// Render tooltip.
if (component.getToolTip() != null && (extraHtml == null || extraHtml.indexOf("title=") == -1)) { //NOI18N
writer.writeAttribute("title", component.getToolTip(), "toolTip"); //NOI18N
}
// Render pass through attributes.
RenderingUtilities.writeStringAttributes(component, writer,
stringAttributes, extraHtml);
}
/**
* Render enclosing tag for TableHeader components.
*
* @param context FacesContext for the current request.
* @param component TableHeader to be rendered.
* @param writer ResponseWriter to which the component should be rendered.
*
* @exception IOException if an input/output error occurs.
*/
protected void renderEnclosingTagEnd(FacesContext context,
TableHeader component, ResponseWriter writer) throws IOException {
if (component == null) {
log("renderEnclosingTagEnd", //NOI18N
"Cannot render enclosing tag, TableHeader is null"); //NOI18N
return;
}
writer.endElement("th"); //NOI18N
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Private methods
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Helper method to get the selectId from TableRowGroup components.
*
* @param component The TableHeader component to be rendered.
* @return The first selectId property found.
*/
private String getSelectId(TableHeader component) {
String selectId = null;
TableRowGroup group = (component != null)
? component.getTableRowGroupAncestor() : null;
if (group == null) {
log("getSelectId", //NOI18N
"Cannot obtain select Id, TableRowGroup is null"); //NOI18N
return selectId;
}
Iterator kids = group.getTableColumnChildren();
while (kids.hasNext()) {
TableColumn col = (TableColumn) kids.next();
if (!col.isRendered()) {
continue;
}
selectId = getSelectId(col);
if (selectId != null) {
break;
}
}
return selectId;
}
/**
* Get the selectId from nested TableColumn components.
*
* @param component TableColumn to be rendered.
* @return The first selectId property found.
*/
private String getSelectId(TableColumn component) {
if (component == null) {
log("getSelectId", //NOI18N
"Cannot obtain select Id, TableColumn is null"); //NOI18N
return null;
}
// Render nested TableColumn children.
Iterator kids = component.getTableColumnChildren();
if (kids.hasNext()) {
while (kids.hasNext()) {
TableColumn col = (TableColumn) kids.next();
if (!col.isRendered()) {
continue;
}
String selectId = getSelectId(col);
if (selectId != null) {
return selectId;
}
}
}
return component.getSelectId();
}
/**
* Helper method to get style class for TableHeader components.
*
* @param component TableHeader to be rendered.
* @return The style class.
*/
private String getStyleClass(TableHeader component) {
String styleClass = null;
if (component == null) {
log("getStyleClass", //NOI18N
"Cannot obtain style class, TableHeader is null"); //NOI18N
return styleClass;
}
// Get style class.
if (component.isGroupHeader()) {
styleClass = ThemeStyles.TABLE_GROUP_HEADER;
} else {
TableColumn col = component.getTableColumnAncestor();
if (col != null && col.isSpacerColumn()) {
styleClass = ThemeStyles.TABLE_TD_SPACER;
} else {
// Test for nested column headers.
TableColumn parent = (col != null) ? col.getTableColumnAncestor() : null;
Iterator kids = (col != null) ? col.getTableColumnChildren() : null;
if (kids != null && kids.hasNext()) {
// If TableColumn has kids, then it is a root node.
styleClass = ThemeStyles.TABLE_MULTIPLE_HEADER_ROOT;
} else if (component.getSortLevel() == 1) {
if (parent != null) {
// If TableColumn has a parent, then it is a leaf node.
styleClass = ThemeStyles.TABLE_MULTIPLE_HEADER_SORT;
} else if (component.isSelectHeader()) {
styleClass = ThemeStyles.TABLE_HEADER_SELECTCOL_SORT;
} else {
styleClass = ThemeStyles.TABLE_HEADER_SORT;
}
} else {
if (parent != null) {
// If TableColumn has a parent, then it is a leaf node.
styleClass = ThemeStyles.TABLE_MULTIPLE_HEADER;
} else if (component.isSelectHeader()) {
styleClass = ThemeStyles.TABLE_HEADER_SELECTCOL;
} else {
styleClass = ThemeStyles.TABLE_HEADER;
}
}
}
}
return getTheme().getStyleClass(styleClass);
}
/** Helper method to get Theme objects. */
private Theme getTheme() {
return ThemeUtilities.getTheme(FacesContext.getCurrentInstance());
}
/**
* Helper method to determine if group is empty.
*
* @return true if empty, else false.
*/
private boolean isEmptyGroup(TableHeader component) {
boolean result = false;
if (component == null) {
log("isEmptyGroup", //NOI18N
"Cannot determine if group is empty, TableHeader is null"); //NOI18N
return result;
}
TableRowGroup group = component.getTableRowGroupAncestor();
if (group != null) {
result = (group.getRowCount() == 0);
} else {
log("isEmptyGroup", //NOI18N
"Cannot determine if group is empty, TableRowGroup is null"); //NOI18N
}
return result;
}
/**
* Log fine messages.
*/
private void log(String method, String message) {
// Get class.
Class clazz = this.getClass();
if (LogUtil.fineEnabled(clazz)) {
// Log method name and message.
LogUtil.fine(clazz, clazz.getName() + "." + method + ": " + message); //NOI18N
}
}
/**
* Set focus when sort buttons are displayed.
*/
private void setSortFocus(FacesContext context, TableHeader tableHeader,
UIComponent sortControl) {
// Get the client ID of the last component to have focus.
// If it's null do nothing.
//
String id = FocusManager.getRequestFocusElementId(context);
if (id == null) {
return;
}
// Get prefix for all IDs.
String prefix = tableHeader.getClientId(context) +
NamingContainer.SEPARATOR_CHAR;
// Set component focus if any match was found. Don't include select
// sort button here as that component does not change.
//
if (id.equals(prefix + TableHeader.ADD_SORT_BUTTON_ID) || id.equals(prefix + TableHeader.PRIMARY_SORT_BUTTON_ID) || id.equals(prefix + TableHeader.TOGGLE_SORT_BUTTON_ID)) {
FocusManager.setRequestFocusElementId(context,
RenderingUtilities.getFocusElementId(context, sortControl));
}
}
}