com.icesoft.faces.renderkit.dom_html_basic.MessagesRenderer Maven / Gradle / Ivy
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${icefaces.product.name} Compat Component Library
/*
* Copyright 2004-2012 ICEsoft Technologies Canada Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS
* IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package com.icesoft.faces.renderkit.dom_html_basic;
import com.icesoft.faces.context.DOMContext;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIMessages;
import javax.faces.context.FacesContext;
import java.io.IOException;
import java.util.Iterator;
public class MessagesRenderer extends DomBasicRenderer {
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
validateParameters(facesContext, uiComponent, UIMessages.class);
}
public void encodeChildren(FacesContext facesContext,
UIComponent uiComponent) throws IOException {
validateParameters(facesContext, uiComponent, UIMessages.class);
}
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
validateParameters(facesContext, uiComponent, UIMessages.class);
//this property will only be true when there wasn't any message found
//on first rendering request of this component.
boolean renderLater = uiComponent.getAttributes().containsKey("$render-later$");
DOMContext domContext = null;
if (!renderLater) {
domContext =
DOMContext.attachDOMContext(facesContext, uiComponent);
} else {
domContext =
DOMContext.reattachDOMContext(facesContext, uiComponent);
}
// retrieve the messages
Iterator messagesIterator = null;
boolean retrieveGlobalMessagesOnly =
((UIMessages) uiComponent).isGlobalOnly();
if (retrieveGlobalMessagesOnly) {
messagesIterator = facesContext.getMessages(null);
} else {
messagesIterator = facesContext.getMessages();
}
// the target element to which messages are appended; either td or span
Element parentTarget = null;
// layout
boolean tableLayout = false; // default layout is list
String layout = (String) uiComponent.getAttributes().get("layout");
if (layout != null && layout.toLowerCase().equals("table")) {
tableLayout = true;
parentTarget = domContext.createElement(HTML.TABLE_ELEM);
} else {
parentTarget = domContext.createElement(HTML.UL_ELEM);
}
if (!domContext.isInitialized()) {
domContext.setRootNode(parentTarget);
setRootElementId(facesContext, parentTarget, uiComponent);
}
//dir lang
String dir = (String) uiComponent.getAttributes().get("dir");
if (dir != null) {
parentTarget.setAttribute(HTML.DIR_ATTR, dir);
}
String lang = (String) uiComponent.getAttributes().get("lang");
if (lang != null) {
parentTarget.setAttribute(HTML.LANG_ATTR, lang);
}
// ICE-2174
Boolean visible = (Boolean) uiComponent.getAttributes().get("visible");
boolean isVisible = visible == null || visible.booleanValue();
if (!isVisible || !messagesIterator.hasNext()) parentTarget.setAttribute(HTML.STYLE_ATTR, "display:none;");
if (renderLater) {
UIComponent uiform = findForm(uiComponent);
//second request has been made successfully, now remove the info
if (uiform != null) {
uiform.getAttributes().remove("$ice-msgs$");
uiComponent.getAttributes().remove("$render-later$");
}
}
if (!messagesIterator.hasNext()) {
Element emptyChild = null;
if (tableLayout) {
emptyChild = (Element) domContext.createElement(HTML.TR_ELEM)
.appendChild(domContext.createElement(HTML.TD_ELEM));
} else {
emptyChild = (Element) domContext.createElement(HTML.LI_ELEM);
}
parentTarget.appendChild(emptyChild);
UIComponent uiform = findForm(uiComponent);
//no data found yet, pass it to the FormRenderer to rerender it later
//on complete rendering of the entire form.
if (!renderLater && uiform != null) {
uiform.getAttributes().put("$ice-msgs$", uiComponent);
uiComponent.getAttributes().put("$render-later$", "true");
}
domContext.stepOver();
return;
}
FacesMessage nextFacesMessage = null;
while (messagesIterator.hasNext()) {
nextFacesMessage = (FacesMessage) messagesIterator.next();
if (nextFacesMessage.isRendered() && !((UIMessages) uiComponent).isRedisplay()) {
return;
}
nextFacesMessage.rendered();
String[] styleAndStyleClass =
getStyleAndStyleClass(uiComponent, nextFacesMessage);
String style = styleAndStyleClass[0];
String styleClass = styleAndStyleClass[1];
String[] summaryAndDetail = getSummaryAndDetail(nextFacesMessage);
String summary = summaryAndDetail[0];
String detail = summaryAndDetail[1];
boolean showSummary = ((UIMessages) uiComponent).isShowSummary();
boolean showDetail = ((UIMessages) uiComponent).isShowDetail();
Boolean escape = (Boolean) uiComponent.getAttributes().get("escape");
boolean isEscape = escape == null || escape.booleanValue();
Element nextTableData = null;
if (tableLayout) {
Element tr = domContext.createElement("tr");
Element td = domContext.createElement("td");
tr.appendChild(td);
parentTarget.appendChild(tr);
nextTableData = td;
}
Element nextMessageSpan = domContext.createElement(HTML.SPAN_ELEM);
if (tableLayout) {
nextTableData.appendChild(nextMessageSpan);
} else {
Element li = domContext.createElement(HTML.LI_ELEM);
parentTarget.appendChild(li);
li.appendChild(nextMessageSpan);
}
if (null != styleClass) {
nextMessageSpan.setAttribute("class", styleClass);
}
if (style != null && style.length() > 0) {
nextMessageSpan.setAttribute("style", style);
} else {
nextMessageSpan.removeAttribute("style");
}
boolean tooltip = getToolTipAttribute(uiComponent);
// ICE-2174
String title = (String) uiComponent.getAttributes().get("title");
if (title == null && tooltip && showSummary) title = summary;
if (title == null && tooltip && showDetail) title = detail;
if (title != null) nextMessageSpan.setAttribute(HTML.TITLE_ATTR, title);
if (showSummary && showDetail && tooltip) {
// show summary as tooltip, detail as child span
// nextMessageSpan.setAttribute("title", summary); commented out for ICE-2174
Text textNode = domContext.getDocument().createTextNode(detail);
nextMessageSpan.appendChild(textNode);
} else {
if (showSummary) {
Text textNode;
if (isEscape) {
textNode = domContext.createTextNode(summary);
} else {
textNode = domContext.createTextNodeUnescaped(summary);
}
nextMessageSpan.appendChild(textNode);
}
if (showDetail) {
Text textNode;
if (isEscape) {
textNode = domContext.createTextNode(detail);
} else {
textNode = domContext.createTextNodeUnescaped(detail);
}
nextMessageSpan.appendChild(textNode);
}
}
}
domContext.stepOver();
}
private void writeStream(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
DOMContext domContext =
DOMContext.getDOMContext(facesContext, uiComponent);
Element root = domContext.createRootElement(HTML.SPAN_ELEM);
Text text = domContext.createTextNode("List of Messages");
Object style = uiComponent.getAttributes().get("style");
String sstyle = ((style == null) ? null : style.toString());
if (sstyle != null && sstyle.length() > 0) {
root.setAttribute(HTML.STYLE_ATTR, sstyle);
} else {
root.removeAttribute(HTML.STYLE_ATTR);
}
root.appendChild(text);
domContext.stepOver();
}
}
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