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/*
* 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 java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import com.sun.webui.html.HTMLAttributes;
import com.sun.webui.html.HTMLElements;
import com.sun.webui.jsf.component.Anchor;
import com.sun.webui.jsf.component.Icon;
import com.sun.webui.jsf.component.IconHyperlink;
import com.sun.webui.jsf.component.Legend;
import com.sun.webui.jsf.component.PropertySheet;
import com.sun.webui.jsf.component.PropertySheetSection;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.theme.ThemeImages;
import com.sun.webui.jsf.theme.ThemeStyles;
import com.sun.webui.jsf.util.RenderingUtilities;
import com.sun.webui.jsf.util.ThemeUtilities;
/**
* Renders a PropertySheet component.
*/
@com.sun.faces.annotation.Renderer(@com.sun.faces.annotation.Renderer.Renders(componentFamily = "com.sun.webui.jsf.PropertySheet"))
public class PropertySheetRenderer extends javax.faces.render.Renderer {
public static final String JUMPTOSECTIONTOOLTIP =
"propertySheet.jumpToSectionTooltip";
public static final String JUMPTOTOPTOOLTIP =
"propertySheet.jumpToTopTooltip";
public static final String JUMPTOTOP =
"propertySheet.jumpToTop";
/**
* Creates a new instance of PropertySheetRenderer.
*/
public PropertySheetRenderer() {
}
/**
* This renderer renders the component's children.
* @return true
*/
@Override
public boolean getRendersChildren() {
return true;
}
/**
* Render a property sheet.
*
* @param context The current FacesContext
* @param component The PropertySheet object to render
*
* @exception IOException if an input/output error occurs
*/
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
throw new NullPointerException();
}
if (!component.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
PropertySheet propertySheet = (PropertySheet) component;
// Get the theme
//
Theme theme = ThemeUtilities.getTheme(context);
writer.startElement(HTMLElements.DIV, component);
writer.writeAttribute(HTMLAttributes.ID,
component.getClientId(context), "id");//NOI18N
String propValue = RenderingUtilities.getStyleClasses(context,
component, theme.getStyleClass(ThemeStyles.PROPERTY_SHEET));
writer.writeAttribute(HTMLAttributes.CLASS, propValue, null);
propValue = propertySheet.getStyle();
if (propValue != null) {
writer.writeAttribute(HTMLAttributes.STYLE, propValue,
HTMLAttributes.STYLE);
}
renderJumpLinks(context, propertySheet, theme, writer);
renderRequiredFieldsLegend(context, propertySheet, theme, writer);
renderPropertySheetSections(context, propertySheet, theme, writer);
writer.endElement(HTMLElements.DIV);
}
/**
* Render the property sheet sections.
*
* @param context The current FacesContext
* @param propertySheet The PropertySheet object to render
* @param theme The Theme to reference.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
protected void renderPropertySheetSections(FacesContext context,
PropertySheet propertySheet, Theme theme, ResponseWriter writer)
throws IOException {
// From propertysheetsection template
//
//
// This has to be done here since we know if jumpllinks were
// rendered, not the section. There was probably a request map
// attribute set to convey this. We control the spacer too.
//
List sections = propertySheet.getVisibleSections();
boolean haveJumpLinks = propertySheet.isJumpLinks() &&
sections.size() > 1;
boolean renderSpacer = false;
for (Object section : sections) {
renderAnchor(context, (PropertySheetSection) section, writer);
// Orginally the spacer came after the section's
// opening div. Let's do it before. It should be equivalent.
// And the PropertySheet should control separators.
//
// If there are jumplinks render a spacer if there is more
// than one section.
// If there are no jumplinks, render a spacer unless
// it is the first section.
//
if (haveJumpLinks || renderSpacer) {
renderSpacer(context, (PropertySheetSection) section, theme,
writer);
} else {
renderSpacer = true;
}
RenderingUtilities.renderComponent((UIComponent) section, context);
if (haveJumpLinks && sections.size() > 1) {
renderJumpToTopLink(context, propertySheet, theme, writer);
}
}
}
/**
* Render a required fields legend.
* If propertySheet.getRequiredFields returns null
* a spacer is rendered.
*
* @param context The current FacesContext
* @param propertySheet The PropertySheet object to render
* @param theme The Theme to reference.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
protected void renderRequiredFieldsLegend(FacesContext context,
PropertySheet propertySheet, Theme theme, ResponseWriter writer)
throws IOException {
// This should be a facet.
//
String requiredFields = propertySheet.getRequiredFields();
// Why isn't this boolean ?
//
if (requiredFields != null &&
requiredFields.equalsIgnoreCase("true")) {//NOI18N
Legend legend = new Legend();
legend.setId(propertySheet.getId() + "_legend"); //NOI18N
legend.setStyleClass(
theme.getStyleClass(ThemeStyles.CONTENT_REQUIRED_DIV));
RenderingUtilities.renderComponent(legend, context);
} else {
// FIXME : Needs to be theme.
//
Icon spacer = ThemeUtilities.getIcon(theme, ThemeImages.DOT);
spacer.setHeight(20);
spacer.setWidth(1);
RenderingUtilities.renderComponent(spacer, context);
}
}
/**
* Render a set of jump links.
*
* @param context The current FacesContext
* @param propertySheet The PropertySheet object to render
* @param theme The Theme to reference.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
protected void renderJumpLinks(FacesContext context,
PropertySheet propertySheet, Theme theme, ResponseWriter writer)
throws IOException {
// Don't render any jump links if they are not requested.
//
if (!propertySheet.isJumpLinks()) {
return;
}
// Or if there are no visible sections
//
List sections = propertySheet.getVisibleSections();
int numSections = sections.size();
if (numSections <= 1) {
return;
}
// There seems to be a distinction if there are 4, 5 to 9,
// and greater than 9 property sheet sections. This should be a
// theme configurable parameter.
//
// If there are less than 5 sections, there will be
// 2 jump links per row.
// If there are greater than 5 sections there will be
// 3 junmp links per row.
// If there are more than 10 sections, there will be
// 4 jump links per row.
//
// Determine the number of sections
//
// Start the layout for the property sheet sections
// jump link area
//
int jumpLinksPerRow = numSections < 5 ? 2 : (numSections > 4 && numSections < 10 ? 3 : 4);
// Start a div for the jump links table
//
writer.startElement(HTMLElements.DIV, propertySheet);
writer.writeAttribute(HTMLAttributes.CLASS,
theme.getStyleClass(ThemeStyles.CONTENT_JUMP_SECTION_DIV), null);
writer.startElement(HTMLElements.TABLE, propertySheet);
writer.writeAttribute(HTMLAttributes.BORDER, 0, null);
writer.writeAttribute(HTMLAttributes.CELLSPACING, 0, null);
writer.writeAttribute(HTMLAttributes.CELLPADDING, 0, null);
writer.writeAttribute(HTMLAttributes.TITLE, "", null); //NOI18N
// Optimize, just get the needed selectors once.
//
String jumpLinkDivStyle =
theme.getStyleClass(ThemeStyles.CONTENT_JUMP_LINK_DIV);
String jumpLinkStyle =
theme.getStyleClass(ThemeStyles.JUMP_LINK);
Iterator sectionIterator = sections.iterator();
while (sectionIterator.hasNext()) {
writer.startElement(HTMLElements.TR, propertySheet);
for (int i = 0; i < jumpLinksPerRow; ++i) {
PropertySheetSection section =
(PropertySheetSection) sectionIterator.next();
writer.startElement(HTMLElements.TD, propertySheet);
writer.startElement(HTMLElements.SPAN, propertySheet);
writer.writeAttribute(HTMLAttributes.CLASS, jumpLinkDivStyle,
null);
IconHyperlink jumpLink = new IconHyperlink();
jumpLink.setId(section.getId() + "_jumpLink");//NOI18N
jumpLink.setParent(propertySheet);
jumpLink.setIcon(ThemeImages.HREF_ANCHOR);
jumpLink.setBorder(0);
// Shouldn't this come from the section ?
//
String propValue = theme.getMessage(JUMPTOSECTIONTOOLTIP);
if (propValue != null) {
jumpLink.setAlt(propValue);
jumpLink.setToolTip(propValue);
}
propValue = section.getLabel();
if (propValue != null) {
jumpLink.setText(propValue);
}
jumpLink.setUrl("#_" + section.getId());
jumpLink.setStyleClass(jumpLinkStyle);
// Render the jump link
//
RenderingUtilities.renderComponent(jumpLink, context);
writer.endElement(HTMLElements.SPAN);
writer.endElement(HTMLElements.TD);
// If we haven't created enough cells, we should.
//
if (!sectionIterator.hasNext()) {
while (++i < jumpLinksPerRow) {
writer.startElement(HTMLElements.TD, propertySheet);
writer.startElement(HTMLElements.SPAN, propertySheet);
writer.writeAttribute(HTMLAttributes.CLASS,
jumpLinkDivStyle, null);
writer.endElement(HTMLElements.SPAN);
writer.endElement(HTMLElements.TD);
}
break;
}
}
writer.endElement(HTMLElements.TR);
}
writer.endElement(HTMLElements.TABLE);
writer.endElement(HTMLElements.DIV);
}
/**
* Does not participate in rendering a PropertySheet.
*
* @param context The current FacesContext
* @param component The PropertySheet object to render
*
* @exception IOException if an input/output error occurs
*/
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
throw new NullPointerException();
}
}
/**
* Render an anchor to the section.
*
* @param context The current FacesContext
* @param propertySheetSection The PropertySheetSection about to be rendered.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
private void renderAnchor(FacesContext context,
PropertySheetSection propertySheetSection, ResponseWriter writer)
throws IOException {
Anchor anchor = new Anchor();
anchor.setParent(propertySheetSection);
anchor.setId("_" + propertySheetSection.getId());//NOI18N
RenderingUtilities.renderComponent(anchor, context);
}
/**
* Render a spacer before the section.
*
* @param context The current FacesContext
* @param propertySheet The PropertySheet being rendered
* @param propertySheetSection The PropertySheetSection about to be rendered.
* @param theme The Theme to reference.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
private void renderSpacer(FacesContext context,
PropertySheetSection propertySheetSection, Theme theme,
ResponseWriter writer)
throws IOException {
Icon spacer = ThemeUtilities.getIcon(theme, ThemeImages.DOT);
writer.startElement(HTMLElements.DIV, propertySheetSection);
writer.writeAttribute(HTMLAttributes.CLASS,
theme.getStyleClass(ThemeStyles.CONTENT_LIN), null);
spacer.setId(propertySheetSection.getId() + "_dot1"); //NOI18N
spacer.setParent(propertySheetSection);
spacer.setHeight(1);
spacer.setWidth(1);
RenderingUtilities.renderComponent(spacer, context);
writer.endElement(HTMLElements.DIV);
}
/**
* Render the back to top link
*
* @param context The current FacesContext
* @param propertySheet The PropertySheet being rendered
* @param propertySheetSection The PropertySheetSection about to be rendered.
* @param theme The Theme to reference.
* @param writer The current ResponseWriter
*
* @exception IOException if an input/output error occurs
*/
private void renderJumpToTopLink(FacesContext context,
PropertySheet propertySheet, Theme theme, ResponseWriter writer)
throws IOException {
writer.startElement(HTMLElements.DIV, propertySheet);
writer.writeAttribute(HTMLAttributes.CLASS,
theme.getStyleClass(ThemeStyles.CONTENT_JUMP_TOP_DIV), null);
// Should be facets ?
//
IconHyperlink jumpLink = new IconHyperlink();
jumpLink.setIcon(ThemeImages.HREF_TOP);
jumpLink.setBorder(0);
// Shouldn't this come from the section ?
//
String propValue = theme.getMessage(JUMPTOTOPTOOLTIP);
if (propValue != null) {
jumpLink.setAlt(propValue);
jumpLink.setToolTip(propValue);
}
propValue = theme.getMessage(JUMPTOTOP);
if (propValue != null) {
jumpLink.setText(propValue);
}
jumpLink.setUrl("#"); //NOI18N
jumpLink.setStyleClass(theme.getStyleClass(
ThemeStyles.JUMP_TOP_LINK));
// Render the jump link
//
RenderingUtilities.renderComponent(jumpLink, context);
writer.endElement(HTMLElements.DIV);
}
}
