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Java > Open Source Codes > de > webman > documenttype > eventhandler > DTDeletePresCompHandler


1 package de.webman.documenttype.eventhandler;
2
3 import com.teamkonzept.web.*;
4 import com.teamkonzept.webman.*;
5 import com.teamkonzept.webman.db.TKWebmanDBManager;
6 import com.teamkonzept.webman.mainint.*;
7 import com.teamkonzept.webman.mainint.db.*;
8
9
10 import com.teamkonzept.webman.mainint.db.queries.*;
11 import com.teamkonzept.webman.mainint.events.*;
12 import com.teamkonzept.lib.*;
13 import com.teamkonzept.field.*;
14 import com.teamkonzept.field.db.*;
15 import com.teamkonzept.db.*;
16 import com.teamkonzept.publishing.markups.*;
17
18 import java.util.*;
19 import java.sql.*;
20
21 /**
22 *
23 * Loeschen einer Componente einer Presentation
24 * @author $Author: alex $
25 * @version $Revision: 1.3 $
26 */
27 public class DTDeletePresCompHandler extends DefaultEventHandler implements ParameterTypes, FrameConstants, DatabaseDefaults
28 {
29     private DTDeletePresCompHandler()
30     {}
31     
32     private static DTDeletePresCompHandler instance = new DTDeletePresCompHandler();
33     
34     public static DTDeletePresCompHandler getInstance()
35     {
36         return instance;
37     }
38     
39     public void handleEvent(TKEvent evt) throws TKException
40     {
41         try
42         {
43             WebManEvent.checkEvent(evt.getRemoteUser(), evt.getName(), ContextConstants.PRESENTATIONS);
44             TKQuery q = TKDBManager.newQuery(TKDBPresCompDelete.class);
45             q.setQueryParams( "PRESENTATION_ID", new Integer JavaDoc( evt.getParameter( PARAMETER, "PRESENTATION_ID" ) ) );
46             q.setQueryParams( "PRESENTATION_COMPONENT_IDX", new Integer JavaDoc( evt.getParameter( PARAMETER, "PRESENTATION_COMPONENT_IDX" ) ) );
47             q.execute();
48             q.fetchResultSet();
49             DTEditHandler.getInstance().handleEvent(evt);
50         }
51         catch (Throwable JavaDoc e)
52         {
53             // TO DO : Analyze Exception !
54 throw WebmanExceptionHandler.getException(e);
55         }
56     }
57     
58     public boolean isHandler(TKEvent evt)
59     {
60         return evt.getName().equalsIgnoreCase("PR_DELETE_PRES_COMP") ;
61     }
62 }
63
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