/**
* License Agreement.
*
* JBoss RichFaces - Ajax4jsf Component Library
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.renderkit.html;
import java.io.IOException;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.renderkit.HeaderResourcesRendererBase;
import org.ajax4jsf.renderkit.RendererUtils.HTML;
import org.richfaces.component.UIToolBar;
import org.richfaces.component.UIToolBarGroup;
import org.richfaces.component.util.ViewUtil;
import org.richfaces.renderkit.html.images.DotSeparatorImage;
import org.richfaces.renderkit.html.images.GridSeparatorImage;
import org.richfaces.renderkit.html.images.LineSeparatorImage;
import org.richfaces.renderkit.html.images.SquareSeparatorImage;
public class ToolBarRendererBase extends HeaderResourcesRendererBase {
private final static String[] ON_ITEM_EVENTS = new String[] {
"onitemkeydown",
"onitemkeypress",
"onitemkeyup",
"onitemclick",
"onitemdblclick",
"onitemmousedown",
"onitemmousemove",
"onitemmouseover",
"onitemmouseout",
"onitemmouseup"
};
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
UIToolBar toolBar = (UIToolBar) component;
List<UIComponent> children = toolBar.getChildren();
String contentClass = (String) toolBar.getAttributes().get("contentClass");
String contentStyle = (String) toolBar.getAttributes().get("contentStyle");
if (null == contentClass) {
contentClass = "";
}
if (null == contentStyle) {
contentStyle = "";
}
if (children != null) {
List<UIComponent> childrenToTheLeft = new LinkedList<UIComponent>();
List<UIComponent> childrenToTheRight = new LinkedList<UIComponent>();
for (Iterator<UIComponent> iter = children.iterator(); iter.hasNext();) {
UIComponent child = iter.next();
if(child.isRendered()){
if (child instanceof UIToolBarGroup) {
UIToolBarGroup group = (UIToolBarGroup) child;
String location = group.getLocation();
if(location != null && location.equals("right")){
childrenToTheRight.add(child);
} else {
childrenToTheLeft.add(child);
}
} else {
childrenToTheLeft.add(child);
}
}
}
ResponseWriter writer = facesContext.getResponseWriter();
for (Iterator<UIComponent> it = childrenToTheLeft.iterator(); it.hasNext();) {
UIComponent child = it.next();
if (! (child instanceof UIToolBarGroup)) {
writer.startElement(HTML.td_ELEM, component);
writer.writeAttribute(HTML.class_ATTRIBUTE, "dr-toolbar-int rich-toolbar-item " + contentClass, null);
getUtils().writeAttribute(writer, HTML.style_ATTRIBUTE, contentStyle);
encodeEventsAttributes(facesContext, toolBar, writer);
}
renderChild(facesContext, child);
if (! (child instanceof UIToolBarGroup)) {
writer.endElement(HTML.td_ELEM);
}
if (it.hasNext()) {
insertSeparatorIfNeed(facesContext, toolBar, writer);
}
}
writer.startElement(HTML.td_ELEM, component);
writer.writeAttribute(HTML.style_ATTRIBUTE, "width:100%", null);
writer.endElement(HTML.td_ELEM);
for (Iterator<UIComponent> it = childrenToTheRight.iterator(); it.hasNext();) {
UIComponent child = it.next();
renderChild(facesContext, child);
if (it.hasNext()) {
insertSeparatorIfNeed(facesContext, toolBar, writer);
}
}
}
}
/**
* Inserts separator between toolbar items. Uses facet "itemSeparator" if it is set
* and default separator implementation if facet is not set.
* @param context - faces context
* @param component - component
* @param writer - response writer
* @throws IOException - in case of IOException during writing to the ResponseWriter
*/
protected void insertSeparatorIfNeed(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException {
UIComponent separatorFacet = component.getFacet("itemSeparator");
boolean isSeparatorFacetRendered = (separatorFacet != null) ? separatorFacet.isRendered() : false;
if (isSeparatorFacetRendered) {
writer.startElement(HTML.td_ELEM, component);
writer.writeAttribute(HTML.class_ATTRIBUTE, "rich-toolbar-separator", null);
renderChild(context, separatorFacet);
writer.endElement(HTML.td_ELEM);
}
else {
insertDefaultSeparatorIfNeed(context, component, writer);
}
}
/**
* Inserts default separator. Possible values are:
* "square", "disc", "grid", "line" - for separators provided by component inplementation;
* "none" - for no separators between toolbar items;
* URI string value - for custom images specified by the page author.
*
* @param context - faces context
* @param component - component
* @param writer - response writer
* @throws IOException - in case of IOException during writing to the ResponseWriter
*/
protected void insertDefaultSeparatorIfNeed(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException {
String itemSeparator = (String)component.getAttributes().get("itemSeparator");
if (itemSeparator != null && itemSeparator.length()!=0 && ! itemSeparator.equalsIgnoreCase("none")){
String uri = null;
if (itemSeparator.equalsIgnoreCase("square")) {
uri = getResource(SquareSeparatorImage.class.getName()).getUri(context, component);
} else if (itemSeparator.equalsIgnoreCase("disc")) {
uri = getResource(DotSeparatorImage.class.getName()).getUri(context, component);
} else if (itemSeparator.equalsIgnoreCase("grid")) {
uri = getResource(GridSeparatorImage.class.getName()).getUri(context, component);
} else if (itemSeparator.equalsIgnoreCase("line")) {
uri = getResource(LineSeparatorImage.class.getName()).getUri(context, component);
} else {
// let the user specify URI to custom separator image in "itemSeparator" attribute
uri = ViewUtil.getResourceURL(itemSeparator);
}
writer.startElement(HTML.td_ELEM, component);
writer.writeAttribute(HTML.align_ATTRIBUTE, "center", null);
getUtils().writeAttribute(writer, HTML.class_ATTRIBUTE, component.getAttributes().get("separatorClass"));
writer.startElement(HTML.IMG_ELEMENT, component);
getUtils().writeAttribute(writer, HTML.src_ATTRIBUTE, uri);
getUtils().writeAttribute(writer, HTML.alt_ATTRIBUTE, "");
writer.endElement(HTML.IMG_ELEMENT);
writer.endElement(HTML.td_ELEM);
}
}
protected Class<? extends javax.faces.component.UIComponent> getComponentClass() {
return UIToolBar.class;
}
public boolean getRendersChildren() {
return true;
}
protected void encodeEventsAttributes(FacesContext facesContext, UIComponent component, ResponseWriter writer)
throws IOException {
Map<String, Object> attributes = component.getAttributes();
for (int i = 0; i < ON_ITEM_EVENTS.length; i++) {
String eventName = ON_ITEM_EVENTS[i];
Object value = null;
value = attributes.get(eventName);
String attrvalue = "";
if ((null != value && !"".equals(value))) {
attrvalue = attrvalue + value;
}
getUtils().writeAttribute(writer, eventName.replace("item",""), attrvalue);
}
}
public UIToolBar getParentToolBar(UIComponent component) {
if (component instanceof UIToolBar) {
return (UIToolBar) component;
} else if (component instanceof UIToolBarGroup) {
return ((UIToolBarGroup)component).getToolBar();
} else {
UIComponent parent = component.getParent();
if (!(parent instanceof UIToolBar)) {
return null;
} else {
return (UIToolBar) parent;
}
}
}
}