WW-1338

- <saf:div ..> tag should be able to not auto start and depend make remote connection only when a topic of interest is received git-svn-id: https://svn.apache.org/repos/asf/struts/action2/trunk@413351 13f79535-47bb-0310-9956-ffa450edef68
2026-08-31 11:24:28 +00:00 · 2006-06-10 18:50:10 +00:00
parent 5acc1f5e1c
commit f77a41635f
6 changed files with 81 additions and 2 deletions
@@ -7,3 +7,6 @@ struts.custom.i18n.resources=globalMessages
 #struts.action.extension=jspa
 struts.url.http.port = 8080
 struts.freemarker.manager.classname=customFreemarkerManager
+
+struts.serve.static=true
+struts.serve.static.browserCache=false
@@ -0,0 +1,27 @@
+
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="saf" uri="/struts-action" %>
+
+<html>
+<head>
+    <title>Ajax Examples</title>
+    <jsp:include page="/ajax/commonInclude.jsp"/>
+</head>
+
+<body>
+
+<saf:div
+        id="once"
+        theme="ajax"
+        cssStyle="border: 1px solid yellow;"
+        href="/AjaxTest.action"
+        updateFreq="0"
+        delay="0">
+    Initial Content ... should not change</saf:div>
+
+<saf:include value="../footer.jsp"/>
+
+</body>
+</html>
+
+
@@ -40,6 +40,10 @@
        <li>
            <a href="example7.jsp">A div that calls the server, and JS in the resulting page is executed</a>
        </li>
+        
+        <li>
+        	<a href="example8.jsp">A div that will not update itself (updateFreq=0 and delay=0)</a>
+        </li>

    </ol>

@@ -40,6 +40,18 @@ Three Component:
        delay="1000">Initial Content</saf:div>
 <br/><br/>

+Fourth Component:
+<saf:div
+	   id="four"
+	   theme="ajax"
+	   cssStyle="border: 1px solid yellow;"
+	   href="/AjaxTest.action"
+	   listenTopics="myLink3_click"
+	   delay="0"
+	   updateFreq="0">Initial Content</saf:div>
+<br/><br/>
+
+
 <saf:url id="remoteLink" value   ="/AjaxRemoteLink.action" />
 <saf:url id="testLink" value   ="/AjaxTest.action" />

@@ -66,7 +78,7 @@ Remote link 2 updating "Two Component" and "Three Component"<br/>

 Remote DIV that is not connected to any remote links:
 <saf:div
-        id="four"
+        id="five"
        cssStyle="border: 1px solid yellow;"
        href="/AjaxTest.action"
        theme="ajax"
@@ -84,6 +96,16 @@ A Remote link that doesn't trigger any remote DIV updates<br/>
 </saf:a>
 <br/><br/>

+A Remote link that will update "Fourth Component"
+<saf:a 
+		id="link4"
+		theme="ajax"
+		href="%{remoteLink}"
+		notifyTopics="myLink3_click"
+		showErrorTransportText="true"
+		errorText="An Error Ocurred">Update</saf:a>
+<br/><br/>
+
 <saf:include value="../footer.jsp"/>

 </body>
@@ -18,6 +18,9 @@
 package org.apache.struts.action2.components;

 import com.opensymphony.xwork.util.OgnlValueStack;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.apache.struts.action2.views.util.UrlHelper;

 import javax.servlet.http.HttpServletRequest;
@@ -49,6 +52,9 @@ import javax.servlet.http.HttpServletResponse;
 * description="Render HTML div providing content from remote call via AJAX"
  */
 public class Div extends RemoteCallUIBean {
+	
+	private static final Log _log = LogFactory.getLog(Div.class);
+	

    public static final String TEMPLATE = "div";
    public static final String TEMPLATE_CLOSE = "div-close";
@@ -85,6 +91,22 @@ public class Div extends RemoteCallUIBean {
        } else {
            addParameter("delay", "0");
        }
+        
+        String tmpUpdateFreq = (String) getParameters().get("delay");
+        String tmpDelay = (String) getParameters().get("updateFreq");
+        try {
+        	int _updateFreq = Integer.parseInt(tmpUpdateFreq);
+        	int _delay = Integer.parseInt(tmpDelay);
+        	
+        	if (_updateFreq <= 0 && _delay <= 0) {
+        		addParameter("autoStart", "false");
+        	}
+        }
+        catch(NumberFormatException e) {
+        	// too bad, invalid updateFreq or delay provided, we
+        	// can't determine autoStart mode.
+        	_log.info("error while parsing updateFreq ["+tmpUpdateFreq+"] or delay ["+tmpDelay+"] to integer, cannot determine autoStart mode", e);
+        }

        if (loadingText != null) {
            addParameter("loadingText", findString(loadingText));
@@ -10,7 +10,8 @@
 	<#if parameters.updateFreq?exists>refresh='${parameters.updateFreq}'</#if>
 	<#if parameters.listenTopics?exists>listenTopics='${parameters.listenTopics}'</#if>
 	<#if parameters.afterLoading?exists>onLoad='${parameters.afterLoading}'</#if>
-
+	<#if parameters.autoStart?exists>autoStart='${parameters.autoStart}'</#if>
+	
 <#if parameters.tabindex?exists>
 tabindex="${parameters.tabindex?html}"<#rt/>
 </#if>