From 1b04d1effc740bd9b2861d11a3e8c4fe521caa28 Mon Sep 17 00:00:00 2001
From: Pablo Luna <lunapablo@gmail.com>
Date: Sun, 13 Mar 2011 16:24:26 +0000
Subject: [PATCH] Adding Google Chrome Framework for IE<9

---
 .../controller/MindmapEditorController.java   | 12 +++++--
 .../com/wisemapping/filter/UserAgent.java     | 11 +++++++
 .../main/webapp/WEB-INF/defs/definitions.xml  |  1 +
 wise-webapp/src/main/webapp/js/editor.js      |  2 +-
 .../src/main/webapp/jsp/installCFG.jsp        | 33 +++++++++++++++++++
 .../src/main/webapp/jsp/mindmapEditor.jsp     |  4 +++
 6 files changed, 60 insertions(+), 3 deletions(-)
 create mode 100644 wise-webapp/src/main/webapp/jsp/installCFG.jsp

diff --git a/wise-webapp/src/main/java/com/wisemapping/controller/MindmapEditorController.java b/wise-webapp/src/main/java/com/wisemapping/controller/MindmapEditorController.java
index 7fea62c0..ea5ffe94 100644
--- a/wise-webapp/src/main/java/com/wisemapping/controller/MindmapEditorController.java
+++ b/wise-webapp/src/main/java/com/wisemapping/controller/MindmapEditorController.java
@@ -18,6 +18,7 @@
 
 package com.wisemapping.controller;
 
+import com.wisemapping.filter.UserAgent;
 import com.wisemapping.model.MindMap;
 import com.wisemapping.security.Utils;
 import org.springframework.web.servlet.ModelAndView;
@@ -38,19 +39,26 @@ public class MindmapEditorController extends BaseMultiActionController {
 
     public ModelAndView open(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
 
+        ModelAndView view;
+
+        UserAgent userAgent = UserAgent.create(httpServletRequest);
+        if(userAgent.needsGCF()){
+            view = new ModelAndView("installCFG");
+        }
+        else{
         final String mindmapId = httpServletRequest.getParameter(MINDMAP_ID_PARAMETER);
         final int mapId = Integer.parseInt(mindmapId);
         final MindMap mindmap = getMindmapService().getMindmapById(mapId);
 
         // Mark as try mode...
-        final ModelAndView view = new ModelAndView("mindmapEditor", "mindmap", mindmap);
+        view = new ModelAndView("mindmapEditor", "mindmap", mindmap);
         view.addObject("editorTryMode", false);
         final boolean showHelp = isWelcomeMap(mindmap);
         view.addObject("showHelp", showHelp);
         final String xmlMap = mindmap.getNativeXmlAsJsLiteral();
         view.addObject(MAP_XML_PARAM, xmlMap);
         view.addObject("user", Utils.getUser());
-
+        }
         return view;
     }
 
diff --git a/wise-webapp/src/main/java/com/wisemapping/filter/UserAgent.java b/wise-webapp/src/main/java/com/wisemapping/filter/UserAgent.java
index cc6d0ede..30e58deb 100644
--- a/wise-webapp/src/main/java/com/wisemapping/filter/UserAgent.java
+++ b/wise-webapp/src/main/java/com/wisemapping/filter/UserAgent.java
@@ -30,6 +30,7 @@ public class UserAgent implements Serializable {
     private Product product;
     private OS os;
     private final org.apache.commons.logging.Log logger = LogFactory.getLog(UserAgent.class.getName());
+    private boolean hasGCFInstalled = false;
 
     public static void main(final String argv[]) {
         UserAgent explorer = UserAgent.create("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
@@ -65,6 +66,10 @@ public class UserAgent implements Serializable {
         return this.versionMajor > mayor || (mayor == this.versionMajor && this.versionVariation >= variation);
     }
 
+    public boolean isVersionLessThan(final int mayor) {
+        return this.versionMajor < mayor;
+    }
+
     public int getVersionMajor() {
         return versionMajor;
     }
@@ -127,6 +132,7 @@ public class UserAgent implements Serializable {
 
                 // Explorer Parse ...
                 this.product = Product.EXPLORER;
+                this.hasGCFInstalled = productDetails.indexOf("chromeframe")!=-1;
             } else if (userAgentHeader.indexOf("iCab") != -1 || userAgentHeader.indexOf("Safari") != -1) {
                 // Safari:
                 //Formats:  Mozilla/5.0 (Windows; U; Windows NT 5.1; en) AppleWebKit/522.13.1 (KHTML, like Gecko) Version/3.0.2 Safari/522.13.1
@@ -334,4 +340,9 @@ public class UserAgent implements Serializable {
         return result;
     }
 
+    public boolean needsGCF(){
+        final UserAgent.Product product = this.getProduct();
+        return product == UserAgent.Product.EXPLORER && this.isVersionLessThan(9) && this.getOs() == UserAgent.OS.WINDOWS && !this.hasGCFInstalled;
+    }
+
 }
diff --git a/wise-webapp/src/main/webapp/WEB-INF/defs/definitions.xml b/wise-webapp/src/main/webapp/WEB-INF/defs/definitions.xml
index 90e54b5d..a60aef69 100644
--- a/wise-webapp/src/main/webapp/WEB-INF/defs/definitions.xml
+++ b/wise-webapp/src/main/webapp/WEB-INF/defs/definitions.xml
@@ -15,6 +15,7 @@
     <definition name="closeDialog" page="/jsp/closeDialog.jsp"/>
     <definition name="embeddedViewError" page="/jsp/embeddedViewError.jsp"/>
     <definition name="mindmapPrint" page="/jsp/mindmapPrint.jsp"/>
+    <definition name="installCFG" page="/jsp/installCFG.jsp"/>
 
     <!-- Template Declaration -->
     <definition name="pageTemplate" page="/jsp/template.jsp">
diff --git a/wise-webapp/src/main/webapp/js/editor.js b/wise-webapp/src/main/webapp/js/editor.js
index fdcdb514..dcf74c52 100644
--- a/wise-webapp/src/main/webapp/js/editor.js
+++ b/wise-webapp/src/main/webapp/js/editor.js
@@ -23,7 +23,7 @@ function afterCoreLoading()
 //    Uncomment for debug ...   
     if (core.UserAgent.isVMLSupported())
     {
-        $import("../js/mindplot.vml.js");
+//        $import("../js/mindplot.vml.js");
     } else
     {
         $import("../js/mindplot.svg.js");
diff --git a/wise-webapp/src/main/webapp/jsp/installCFG.jsp b/wise-webapp/src/main/webapp/jsp/installCFG.jsp
new file mode 100644
index 00000000..28b6d644
--- /dev/null
+++ b/wise-webapp/src/main/webapp/jsp/installCFG.jsp
@@ -0,0 +1,33 @@
+<html>
+<head>
+    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script>
+    <script type="text/javascript"
+            src="http://ajax.googleapis.com/ajax/libs/chrome-frame/1/CFInstall.min.js"></script>
+</head>
+<body>
+<div style="width:100%; font-size:130%;">
+    you need to install Google Chrome Frame.
+    <br/>
+    <div id="div"> click here</div>
+</div>
+
+<div id="prompt">
+    <!-- if IE without GCF, prompt goes here -->
+</div>
+<script>
+    // The conditional ensures that this code will only execute in IE,
+    // Therefore we can use the IE-specific attachEvent without worry
+    $(document).ready(function(){
+        $("#div").click(function(event){
+            $(".chromeFrameOverlayContent").css("display","block");
+            $(".chromeFrameOverlayUnderlay").css("display","block");
+        });
+    });
+    window.attachEvent("onload", function() {
+        CFInstall.check({
+            mode: "overlay" // the default
+        });
+    });
+</script>
+</body>
+</html>
\ No newline at end of file
diff --git a/wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp b/wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp
index 639da6e8..cd119b00 100644
--- a/wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp
+++ b/wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp
@@ -12,6 +12,10 @@
 </c:url>
 <html>
 <head>
+    <!--[if lt IE 9]>
+    <meta http-equiv="X-UA-Compatible" content="chrome=1">
+    <![endif]-->
+    
     <!-- Internet Explorer 8 Hack -->
     <meta http-equiv="Content-type" value="text/html;charset=UTF-8">
     <title><spring:message code="SITE.TITLE"/> - ${mindmap.title} </title>