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Java > Open Source Codes > de > webman > acl > eventhandler > ACTaskListEventHandler


1 package de.webman.acl.eventhandler;
2
3 import java.util.*;
4
5 import com.teamkonzept.web.*;
6 import com.teamkonzept.lib.*;
7 import com.teamkonzept.webman.*;
8 import com.teamkonzept.webman.mainint.*;
9 import com.teamkonzept.webman.mainint.events.*;
10 import de.webman.acl.*;
11
12 /**
13 Displays a list of tasks on the left side of a frameset
14  * @author $Author: alex $
15  * @version $Revision: 1.3 $
16  */
17 public class ACTaskListEventHandler extends DefaultEventHandler implements ParameterTypes, DatabaseDefaults, FrameConstants
18 {
19 private ACTaskListEventHandler() {}
20
21     private static ACTaskListEventHandler instance = new ACTaskListEventHandler();
22
23     public static ACTaskListEventHandler getInstance()
24     {
25         return instance;
26     }
27
28     public void handleEvent(TKEvent evt) throws TKException
29     {
30         try {
31             WebManEvent.checkEvent(evt.getRemoteUser(), evt.getName(), ContextConstants.ACCESS_CONTROL);
32             TKHTMLTemplate t = evt.getPrepHTMLTemplate( "ac_tasklist.tmpl" );
33             TKHashtable taskHash = ACConvenience.makeContextTaskList( TaskFactory.getInstance().getTasks() );
34             WebManEvent.fillEventsIntoTemplate(evt.getRemoteUser(), t, ACCESS_CONTROL );
35             t.setListIterator(new TKStandardPluginIterator("AC_TASK_LIST", null, taskHash, true, t.getListIterator()));
36             t.set("RTARGET", RIGHT_TARGET);
37             evt.finishTemplate( t );
38         } catch (Throwable JavaDoc e) {
39             throw WebmanExceptionHandler.getException(e);
40         }
41     }
42
43     public boolean isHandler(TKEvent evt)
44     {
45         return evt.getName().equalsIgnoreCase( "AC_TASK_LIST" );
46     }
47
48 }
49
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