Re: [platform-swt-dev] ComboBoxCellEditor not working as expected

[Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Not the apropiate mailling list for such questions use eclipse.platform
for question concerning jface.


Mike Bennett schrieb:
> Hello
>  
> I am trying to use the ComboBoxCellEditor for a column in a table.
>  
> When the table first populates, the cells display the values as
> expected, however if the combo box is used to change the value of a
> cell, the new value is always that associated with index 0 in the list
> of possible values.
>  
> I have an object called CellValue, this has the following getters and
> setters:
>  
>   public String getItemType() {
>     return (itemType==null?"":itemType);
>   }
>   public int getItemTypeIndex() {
>     if (itemType == null) return 0;
>     if (itemType.equals("text")) return 0;
>     else if (itemType.equals("integer")) return 1;
>     else if (itemType.equals("double")) return 2;
>     return 0;
>   }
>   public void setItemType(String itemType) {
>     System.out.println("CellValue.setItemType: itemType " + itemType);
>     this.itemType = itemType.trim().toLowerCase();
>   }
>   public void setItemTypeIndex(int itemType) {
>     System.out.println("CellValue.setItemTypeIndex: itemType " + itemType);
>     switch (itemType) {
>       case 0: setItemType("text");
>       case 1: setItemType("integer");
>       case 2: setItemType("double");
>       default: setItemType("text");
>     }
>   }
> The methods in my modifier are:
>  
>   public Object getValue(Object rowData, String property) {
>     System.out.println("getValue: property "  + property);
>     CellValue cellValue = (CellValue)rowData;
>     if (CellValue.NAME.equals(property)) {
>       return cellValue.getDataItemName();
>     } else if (CellValue.VALUE.equals(property)) {
>       return cellValue.getValue();
>     } else if (CellValue.TYPE.equals(property)) {
>       System.out.println("Type is " + cellValue.getItemTypeIndex());
>       return new Integer(cellValue.getItemTypeIndex());
>     } else if (CellValue.SHOW.equals(property)) {
>       return (new Boolean(cellValue.isShowOnSheet()));
>     }
>     return null;
>   }
>  
>   public void modify(Object rowData, String property, Object value) {
>      System.out.println("CellValueModifier.modify: rowData " +
> rowData.getClass().toString() +
>                         " value " + value.getClass().toString());
>     if (rowData instanceof Item) rowData = ((Item)rowData).getData();
>    
>     CellValue cellValue = (CellValue)rowData;
>     if (CellValue.NAME.equals(property)) {
>       cellValue.setDataItemName((String)value);
>     } else if (CellValue.VALUE.equals(property)) {
>       cellValue.setValue((String)value);
>     } else if (CellValue.TYPE.equals(property)) {
>       cellValue.setItemTypeIndex(((Integer)value).intValue());
>     } else if (CellValue.SHOW.equals(property)) {
>       cellValue.setShowOnSheet(((Boolean)value).booleanValue());
>     } 
>    
>     viewer.refresh();
>   }
> As you can see I have added a number of debug lines. The results I get are:
>  
> 
> CellValueModifier.modify: rowData class
> org.eclipse.swt.widgets.TableItem value class java.lang.Integer
> 
> CellValue.setItemTypeIndex: itemType 2
> 
> CellValue.setItemType: itemType double
> 
> CellValue.setItemType: itemType text
> 
> CellValueModifier.modify: before refresh
> 
> CellValueModifier.modify: after refresh
> 
> The problem seams to be caused by the second setItemType method call.
> This is very strange as the only place I call this is in the
> setItemTypeIndex method and the trace shows that this is only called once.
>  
> I am doing something daft that I can't see or is there a problem here?
>  
> Thanks
>  
> Mike
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> platform-swt-dev mailing list
> platform-swt-dev@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/platform-swt-dev


- --
B e s t S o l u t i o n . a t                        EDV Systemhaus GmbH
- ------------------------------------------------------------------------
tom schindl    leiter softwareentwicklung/CSE   mobile  ++43 676 3232147
- ------------------------------------------------------------------------
eduard-bodem-gasse 8/3    A-6020 innsbruck      fax      ++43 512 935833
http://www.bestsolution.at                      phone    ++43 512 935834
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFC28Ma4E2ESUTeSPQRAqAnAJ0c4Vj/MN98P3Sq8V1CGE0O8jgebgCfc5kx
tFGkWyp1kkqMhWNkFzP4VsQ=
=QSxN
-----END PGP SIGNATURE-----