Step 1. Define a Picklist for iiiGRADE.
VFW090 – Field Visualizations
1. Copy field GRADE to create a new field iiiGrade, select the options to copy rules, visualization and help text. Open the new field in the editor.
2. Select the
tab, which should contain a definition:
3. Add a
using the toolbar button:
4. Select the
component and define the following picklist values:
Caption |
Value |
Default |
Pass |
P |
Yes |
Fail |
F |
|
Merit |
M |
|
Distinction |
D |
|
5. Select the P', to correspond with the default value. See later in the exercise for more detail on this step.
tab and change the field value to '6. On the
tab, select the component. Note that it has defaulted to a suitable design, a .Widen the visualization slightly so that the word "Distinction" would be shown.
If necessary, reduce the height to the minimum possible.
Note: Always make visualizations use the minimum space on the interface.
Select the True.
tab and change the new visualization to =7. Save your field definition.
8. Open iiiVFW19 – Employee Skill Detailer in the editor and select the
tab. Position the cursor at the top of the code.a. Display the
dialog ( ) and set it up to replace #GRADE with #iiiGrade. Do not .
b. Use
, which will be this line:Define_Com Class(#GRADE.Visual) Name(#GRADE) Displayposition(2) Height(21) Left(7) Parent(#DETAIL) Tabposition(2) Top(38) Usepicklist(False) Width(189)
b. Use
to change both entries on this line. Your code should look like the following:Define_Com Class(#iiiGRADE.Visual) Name(#iiiGRADE) Displayposition(2) Height(21) Left(7) Parent(#DETAIL) Tabposition(2) Top(38) Width(189)
c. You should now be positioned on this line:
Define_Com Class(#PRIM_FWLI) Name(#FWLI_7) Manage(#GRADE) Parent(#FWLM_2)
d. Replace #GRADE and
the dialog.9. You will now add code to set up iiiGrade from the real field GRADE.
a. At the top of the PHBN_SAVE.Click event routine add this code:
#GRADE := #iiiGrade
b. In the uShow method routine, add this code immediately after the FETCH
#iiiGrade := #GRADE
c. On the
tab check the appearance of iiiGrade visualization and increase its width if necessary.
10. Recompile iiiVFW19 – Employee Skill Detailer.
11. Execute your Framework and display the
command handler for an employee. Note that the Grade obtained for the skill field is now visualized as a dropdown.
Note:
- The will be automatically positioned to show the field's current value. If the field contains any value not in the picklist, such as blanks, the picklist will show its default caption.
- The field's value is only populated or changed by the visualization when an option is selected in the picklist (visualized as a dropdown in this case). This means if no selection is made, the fields value could be invalid.
Defining the field's to be the same as the picklist's default avoids this problem.