The best way to call applet methods from javascript file

asked 2014-01-25 22:36:00 +0800

venicum
21 ● 4

updated 2014-01-25 22:46:54 +0800

Please help me to understand what is the right way to call an applet function from javascript? I tried get an applet like that:

 var cryptoApplet = jq("$cryptoApplet"); // and zk("$cryptoApplet");

I get "Uncaught TypeError: Object [object Object] has no method 'gettingFilesDirs'". I also tried other ways, but I allways get errors, like

• document.getElementsByTagName('applet')[0] - "Uncaught Error: Error calling method on NPObject."

• document.getElementById("cryptoApplet") - "Uncaught TypeError: Cannot call method 'gettingFilesDirs' of null"

• zk.Widget.$('$cryptoApplet') - "Uncaught TypeError: Object [object Object] has no method 'gettingFilesDirs'"

In my index.zul file I have the following code:

 <applet id="cryptoApplet" code="com.it.projects.crypto.CryptoApplet" 
    archive="cryptoclient-0.0.1-SNAPSHOT.jar" 
    width="1" height="1"/>
 <script src="/js/crypto.js"></script>
 <script src="/js/testCrypto.js"></script>
 <button id="bEncryptZip" label="Choose file and encrypt" 
      xmlns:w="<no links>zkoss.org/2005/zk/client"
      w:onClick="testZipEncryptClient();" >
 </button>

The "cryptoApplet" has to be hidden (but it isn't). "testZipEncryptClient()" in testCrypto.js script file:

 function testZipEncryptClient() {
      var cryptoApplet = document.getElementById("cryptoApplet"); // for example
      var fileNames = gettingFilesDirs("*", "1", "1");
      cryptoApplet.zipEncryptClient(fileNames, "123qweASD", 
           "169526916271186875847950195488343319456", 
           "<cert in base64>");
 }

Method "gettingFilesDirs(...)" from crypto.js:

 function gettingFilesDirs(extFile, fileDir, multi) {
      var cryptoApplet = jq('$cryptoApplet'); // for example
      return cryptoApplet.gettingFilesDirs(extFile, fileDir, multi);
 }