ActionButton.java

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import java.util.Enumeration;

public class ActionButton extends Widget
{  
  int action = 0;
  int param = 0;
        
        public ActionButton(String prefix, Form form)
        {
          super(prefix, form);
        }
        
        public void loadValues()
        {
    String s = form.req.getParameter(prefix);
    if(s != null && s.length() > 0)
      setThisString(s);
    else
    {
      String c = prefix + ".";
      int cl = c.length();
      
      for (Enumeration e = form.req.getParameterNames(); e.hasMoreElements() ;)
      {
        String n = (String) e.nextElement();
        if (n == null) break; 
        if (n.length() < cl) continue;       
        if (n.substring(0,cl).equals(c))
        {
          String p = n.substring(cl);
          setThisString(p);
          break;
        }
      }
    }
        }
        
        protected String getString(int action, int param)
        {
          String s = Integer.toString(action) +  "_" + Integer.toString(param);
          return s;
        }
        
        protected void setThisString(String s)
        {
          int p = s.lastIndexOf('_');
          this.action = Integer.parseInt(s.substring(0,p));
          this.param = Integer.parseInt(s.substring(p+1));
        }
        
        public void display(boolean hidden)
        {
          // actions are not persistent
        }
        
        public void display(String name, int action)
        {
          display(name, action, 0, "");
        }
        
  public void display(String name, int action, int param)
        {
          display(name, action, param, "");
        }
        
        public void display(String name, int action, int param, String attribs)
        {
    String n = this.n(getString(action, param));
    p("<input type=submit name=\"" + n + "\" value=\"" + name
      + "\"" + attribs + ">");
        }
        
        public String gethref(int action, int param)
  {
    return "javascript:ActionButton_sgo(" + action + ", " + param + ", '"
      + form.name + "', '" + prefix + "');";
  }
  
  public void dumpScript()
  {
    p(
""/*"<!-- Begin ActionButton Script -->\n"+
"<script>\n"+
"<!--\n"+
"  function ActionButton_go(action,object,actionobject)\n"+
"  {\n"+
"    //alert(actionobject.name + \" set to '\" + action + \"'\");\n"+
"    actionobject.value = action + '_' + object;\n"+
"    if (actionobject.form.onsubmit) actionobject.form.onsubmit();\n"+
"    actionobject.form.submit();\n"+
"  }\n"+
"\n"+
"  function ActionButton_sgo(action,object,form,actionelement)\n"+
"  {\n"+
"    //alert(document.forms[form][actionelement]);\n"+
"    ActionButton_go(action,object,document.forms[form][actionelement]);\n"+
"  }\n"+
"// -->\n"+
"</script>\n"+
"<!-- End ActionButton Script -->\n"+
""*/
    );
  }
};

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