Re: [HtmlUnit] This class doesn't support script objects

[<Mik...@su...>]

Following  is a patch against the latest sources that implements Javascript
support for the 'onchange' event on 'select' elements.

*** htmlunit-old/src/java/com/gargoylesoftware/htmlunit/html/HtmlSelect.java
Sun Oct  6 14:06:16 2002
--- htmlunit-new/src/java/com/gargoylesoftware/htmlunit/html/HtmlSelect.java
Thu Nov 14 14:52:16 2002
***************
*** 14,19 ****
--- 14,21 ----
  import java.util.List;
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
+ import com.gargoylesoftware.htmlunit.Page;
+ import com.gargoylesoftware.htmlunit.ScriptResult;

  /**
   *  Wrapper for the html element "select"
***************
*** 101,108 ****
       * @param  optionValue The value of the option that is to change
       * @exception  ElementNotFoundException If a particular xml element could
       *      not be found in the dom model
       */
!     public void setSelectedAttribute( final String optionValue, final boolean
isSelected )
          throws ElementNotFoundException {

          try {
--- 103,112 ----
       * @param  optionValue The value of the option that is to change
       * @exception  ElementNotFoundException If a particular xml element could
       *      not be found in the dom model
+      * @return  The page that occupies this window after this change is made.
It
+      * may be the same window or it may be a freshly loaded one.
       */
!     public Page setSelectedAttribute( final String optionValue, final boolean
isSelected )
          throws ElementNotFoundException {

          try {
***************
*** 129,134 ****
--- 133,148 ----
                      option.getValueAttribute().equals( optionValue ) &&
isSelected );
              }
          }
+
+         final HtmlPage page = getPage();
+         final String onChange = getOnChangeAttribute();
+
+         if( onChange.length() != 0 && page.getWebClient().isJavaScriptEnabled
() ) {
+             final ScriptResult scriptResult
+                 = page.executeJavaScriptIfPossible( onChange, "onChange
handler", true );
+           return scriptResult.getNewPage();
+         }
+       return page;
      }