ISPF Panels

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Target readers

Developers

Keywords

ISPF Panels, Dialog Services

 

Introduction


This document gives an idea about the Dialog Service – Panel and also how to design the user defined Panels.

 

ISPF PANELS


ISPF Panels are the screens developed using Panel definition.

Panel Definition. This is used to describe the format of a panel by supplying the location of each field in the screen and by identifying the variables that are used to provide values or output fields.

Example for Panel definition:


Panel1

)ATTR DEFAULT(%+_)                                                     
% TYPE(TEXT)  INTENS(HIGH)                                             
+ TYPE(TEXT)  INTENS(LOW)                                              
_ TYPE(INPUT) INTENS(LOW) CAPS(ON) PAD('_')                            
# TYPE(INPUT) INTENS(LOW) CAPS(ON) PAD('_')                            
! TYPE(TEXT)  INTENS(LOW) SKIP(ON)                                     
)BODY                                                                   
%-------------------------STUDENT DETAILS-------------------------------
%COMMAND ==>_ZCMD                                                      
+                                                                      
+                                                                       
+STUDENT NAME   :  _NAME +                                             
+STUDENT ROLLNO :  _Z     +                                            
+    
%-----------------------------------------------------------------------
                                                                 
)INIT                                                                  
.ZVARS=ROLLNO                                                          
)REINIT
)PROC                             
&ZCMD=' '
VER(&NAME,NB,ALPHA)              
&ZCMD=' '                        
      IF (&NAME ¬= ' ')          
      VER(&ROLLNO,NB,NUM)        
)END                             

How to create a Panel definition?

The easiest way to create a panel definition is using the ISPF/PDF editor. To define a panel the following sections are necessary:
1.) ATTR section
2.) BODY section
3.) INIT section
4.) PROC section
5.) REINIT section
6.) END section

) ATTR section

This contains attribute character, which identifies the characteristics of a field and attribute value, which describes settings of the fields.

) BODY section

This defines what the panel looks like when it’s displayed. Each line in the section corresponds to a line on the display.

) INIT section

This is one of the executable sections, which includes statements that are processed before a panel is displayed.

) PROC section

This contains statements that are executed after a panel is displayed. The user using VER statement uses this to validate the input data entered.

) REINIT section

This contains statements, which are executed first once a user input error is detected in the PROC section.

) END section

 This is used to end the loop of panel display processing.





How to view the Panel designed?

1. Use Dialog services Option (7.2)

First the library for the panel has to be set using Dialog service option (7.6)

The following is the command used to set library for the panel designed:

LIBDEF ISPPLIB DATASET ('**** PDS ****')

Secondly, the option 2 in the Dialog services (7) is Panel in which panel name is to be filled.

2. Using DISPLAY command

This display command is used in the REXX procedure to view the panel.

ISPEXEC DISPLAY PANEL (Panel-name)

REXX Source code:
----------------
/* REXX */                                        
ADDRESS ISPEXEC                                   
"LIBDEF ISPPLIB DATASET ID ('N019578.REXX.TOOL')"  
"DISPLAY PANEL (PANEL1)"                            
"LIBDEF ISPPLIB"


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