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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.custom.popup;
import java.io.IOException;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.apache.myfaces.renderkit.html.util.AddResource;
import org.apache.myfaces.renderkit.html.util.AddResourceFactory;
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.HtmlRenderer;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.util.JavascriptUtils;
/**
* @JSFRenderer
* renderKitId = "HTML_BASIC"
* family = "javax.faces.Panel"
* type = "org.apache.myfaces.Popup"
* @since 1.1.7
* @author Martin Marinschek (latest modification by $Author: lu4242 $)
* @version $Revision: 1097467 $ $Date: 2011-04-28 09:11:52 -0500 (Thu, 28 Apr 2011) $
*/
public class HtmlPopupRenderer
extends HtmlRenderer
{
public static final String RENDERER_TYPE = "org.apache.myfaces.Popup";
//private static final Log log = LogFactory.getLog(HtmlListRenderer.class);
private static final String LAYOUT_BLOCK = "block";
private static final String LAYOUT_DIV = "div";
private static final String LAYOUT_SPAN = "span";
private static final String LAYOUT_NONE = "none";
public boolean getRendersChildren()
{
return true;
}
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
}
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException
{
}
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlPopup.class);
HtmlPopup popup = (HtmlPopup) uiComponent;
UIComponent popupFacet = popup.getPopup();
String popupId = writePopupScript(
facesContext, popup.getClientId(facesContext),
popup.getDisplayAtDistanceX(),popup.getDisplayAtDistanceY(), uiComponent);
//writeMouseOverAndOutAttribs(popupId, popupFacet.getChildren());
ResponseWriter writer = facesContext.getResponseWriter();
String layout = popup.getLayout();
if (LAYOUT_BLOCK.equals(layout) || LAYOUT_DIV.equals(layout))
{
writer.startElement(HTML.DIV_ELEM, popup);
writer.writeAttribute(HTML.ONMOUSEOVER_ATTR, popupId + ".display(event);", null);
writer.writeAttribute(HTML.ONMOUSEOUT_ATTR, popupId + ".hide(event);", null);
}
else if (LAYOUT_NONE.equals(layout))
{
writeMouseOverAttribs(popupId, uiComponent.getChildren(),
popup.getClosePopupOnExitingElement()==null ||
popup.getClosePopupOnExitingElement().booleanValue());
}
else
{
writer.startElement(HTML.SPAN_ELEM, popup);
writer.writeAttribute(HTML.ONMOUSEOVER_ATTR, popupId + ".display(event);", null);
writer.writeAttribute(HTML.ONMOUSEOUT_ATTR, popupId + ".hide(event);", null);
}
RendererUtils.renderChildren(facesContext, uiComponent);
if (LAYOUT_BLOCK.equals(layout) || LAYOUT_DIV.equals(layout))
{
writer.endElement(HTML.DIV_ELEM);
}
else if (LAYOUT_NONE.equals(layout))
{
}
else
{
writer.endElement(HTML.SPAN_ELEM);
}
writer.startElement(HTML.DIV_ELEM, popup);
writer.writeAttribute(HTML.STYLE_ATTR,(popup.getStyle()!=null?(popup.getStyle()+
(popup.getStyle().trim().endsWith(";")?"":";")):"")+
"position:absolute;display:none;",null);
if(popup.getStyleClass()!=null)
{
writer.writeAttribute(HTML.CLASS_ATTR,popup.getStyleClass(),null);
}
writer.writeAttribute(HTML.ID_ATTR, popup.getClientId(facesContext),null);
writer.writeAttribute(HTML.ONMOUSEOVER_ATTR, new String(popupId+".redisplay();"),null);
Boolean closeExitPopup = popup.getClosePopupOnExitingPopup();
if(closeExitPopup==null || closeExitPopup.booleanValue())
writer.writeAttribute(HTML.ONMOUSEOUT_ATTR, popupId + ".hide();",null);
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONCLICK_ATTR, HTML.ONCLICK_ATTR, popup.getOnclick());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONDBLCLICK_ATTR, HTML.ONDBLCLICK_ATTR, popup.getOndblclick());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONMOUSEDOWN_ATTR, HTML.ONMOUSEDOWN_ATTR, popup.getOnmousedown());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONMOUSEUP_ATTR, HTML.ONMOUSEUP_ATTR, popup.getOnmouseup());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONMOUSEMOVE_ATTR, HTML.ONMOUSEMOVE_ATTR, popup.getOnmousemove());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONKEYPRESS_ATTR, HTML.ONKEYPRESS_ATTR, popup.getOnkeypress());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONKEYDOWN_ATTR, HTML.ONKEYDOWN_ATTR, popup.getOnkeydown());
HtmlRendererUtils.renderHTMLAttribute(writer, HTML.ONKEYUP_ATTR, HTML.ONKEYUP_ATTR, popup.getOnkeyup());
RendererUtils.renderChild(facesContext, popupFacet);
writer.endElement(HTML.DIV_ELEM);
}
private void writeMouseOverAttribs(String popupId, List children, boolean renderMouseOut)
{
for (int i = 0; i < children.size(); i++)
{
UIComponent uiComponent = (UIComponent) children.get(i);
callMethod(uiComponent,"onmouseover", popupId + ".display(event);");
if(renderMouseOut)
callMethod(uiComponent,"onmouseout", popupId + ".hide(event);");
writeMouseOverAttribs(popupId, uiComponent.getChildren(),renderMouseOut);
}
}
private String writePopupScript(FacesContext context, String clientId,
Integer displayAtDistanceX, Integer displayAtDistanceY, UIComponent uiComponent)
throws IOException
{
AddResourceFactory.getInstance(context).addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN, HtmlPopupRenderer.class, "JSPopup.js");
String popupId = JavascriptUtils.getValidJavascriptName(clientId+"Popup",false);
ResponseWriter writer = context.getResponseWriter();
writer.startElement(HTML.SCRIPT_ELEM, uiComponent);
writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR,HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT,null);
writer.writeText("var "+popupId+"=new orgApacheMyfacesPopup('"+clientId+"',"+
(displayAtDistanceX==null?-5:displayAtDistanceX.intValue())+","+
(displayAtDistanceY==null?-5:displayAtDistanceY.intValue())+");",null);
writer.endElement(HTML.SCRIPT_ELEM);
return popupId;
}
private void callMethod(UIComponent uiComponent, String propName, String value)
{
Object oldValue = uiComponent.getAttributes().get(propName);
String oldValueStr = "";
String genCommentary = "/* generated code */";
if(oldValue != null)
{
oldValueStr = oldValue.toString().trim();
int genCommentaryIndex;
//check if generated code has already been added...
if((genCommentaryIndex=oldValueStr.indexOf(genCommentary))!=-1)
{
oldValueStr = oldValueStr.substring(0,genCommentaryIndex);
}
if(oldValueStr.length()>0 && !oldValueStr.endsWith(";"))
oldValueStr +=";";
}
value = oldValueStr+genCommentary+value;
uiComponent.getAttributes().put(propName, value);
}
}