sap BC410 - Developing User Dialogs

Release 470 12.06.2003

BC410 Entwicklung von Benutzerdialogen.......................................................................................................................8

Contents (II)...............................................................................................................................................................1

User Dialogs...............................................................................................................................................................1

Overview Diagram.....................................................................................................................................................2

Main Business Scenario.............................................................................................................................................3

SAP Programming Model..........................................................................................................................................4

Example Screen Layout: Transaction FB60..............................................................................................................5

Lists in Screen Programming: Unit Objectives.........................................................................................................2

Overview Diagram II.................................................................................................................................................3

Creating Lists: Overview...........................................................................................................................................4

Selection Screens.......................................................................................................................................................5

Entering Value Ranges..............................................................................................................................................6

Defining and Calling Selection Screens....................................................................................................................7

Events: Selection Screen............................................................................................................................................8

Example: Authorization Check..................................................................................................................................9

Events: Executable Program / Basic List.................................................................................................................10

User Dialogs on Lists...............................................................................................................................................11

Basics for Interactive Lists Exercises......................................................................................................................18

Basics for Interactive Lists: Solutions.....................................................................................................................20

The Program Interface...................................................................................................................................................1

Unit Objectives..........................................................................................................................................................2

Overview Diagram III................................................................................................................................................3

User Interfaces: Overview.........................................................................................................................................4

Overview: The Screen................................................................................................................................................5

GUI Title....................................................................................................................................................................6

Status: Technical View (1).........................................................................................................................................7

Status: Technical View (2).........................................................................................................................................8

Including Existing Elements....................................................................................................................................15

Creating a GUI Status: Function Key Assignment..................................................................................................16

Standard Toolbar: Automatic Assignments.............................................................................................................17

Creating a GUI Status: Application Toolbar...........................................................................................................18

Creating a GUI Status: Menu Bar............................................................................................................................19

Creating a GUI Status..............................................................................................................................................20

Setting Title and Status............................................................................................................................................21

Flow Control in Detail Lists....................................................................................................................................22

The AT USER-COMMAND Event.........................................................................................................................23

User Interfaces: Unit Summary...............................................................................................................................24

Selecting Multiple Lines............................................................................................................................................5

Reading from the List Buffer.....................................................................................................................................6

Changing the List Buffer...........................................................................................................................................7

Interactive Lists: Sorting Lists...................................................................................................................................8

Sorting Lists...............................................................................................................................................................9

Finding Out the Sort Field.......................................................................................................................................10

Sorting Lists: Program.............................................................................................................................................11

Interactive Lists: The List Sequence and Messages................................................................................................12

List Navigation.........................................................................................................................................................13

Messages in Interactive Lists...................................................................................................................................14

Screen Programs: Principles......................................................................................................................................4

Strengths of Screens...................................................................................................................................................5

Screens in Dialog Programs.......................................................................................................................................6

Screen Programs: Screen Elements...........................................................................................................................7

Screen Elements.........................................................................................................................................................8

The SCREEN System Table....................................................................................................................................14

Initializing the System Table SCREEN...................................................................................................................15

The Modification Group Attribute...........................................................................................................................16

Modifying Attributes Dynamically: Program..........................................................................................................17

Screen Programs: Screen Processing.......................................................................................................................18

Screens.....................................................................................................................................................................19

Defining and Managing Screens..............................................................................................................................20

Screens: Attributes...................................................................................................................................................21

Creating Screens......................................................................................................................................................22

Creating Screens: Screen Attributes........................................................................................................................23

Static Screen Sequences...........................................................................................................................................30

Setting the Next Screen Dynamically......................................................................................................................31

Inserting Screen Sequences......................................................................................................................................32

Inserting a Sequence of Screens Dynamically.........................................................................................................33

Calling a Dialog Box Dynamically..........................................................................................................................34

Window Coordinates...............................................................................................................................................35

Setting the Cursor Position Dynamically.................................................................................................................36

Screen Programs: GUI Status..................................................................................................................................37

GUI Status for Screens.............................................................................................................................................38

Displaying Standards...............................................................................................................................................39

Screen Elements for Output: Unit Objectives............................................................................................................2

Overview Diagram VIII.............................................................................................................................................3

Output Elements: Text Fields....................................................................................................................................4

Text Fields.................................................................................................................................................................5

Text field: Attributes..................................................................................................................................................6

Status Icons..............................................................................................................................................................12

Status Icons: Attributes............................................................................................................................................13

Creating Status Icons...............................................................................................................................................14

Filling a Status Icon.................................................................................................................................................15

Output Elements: Group Boxes...............................................................................................................................16

Group Boxes............................................................................................................................................................17

Group Boxes: Attributes..........................................................................................................................................18

Creating Group Boxes..............................................................................................................................................19

Screen Elements for Output: Unit Summary...........................................................................................................20

Screen Elements for Input/Output.................................................................................................................................1

Default Values in SAP Memory................................................................................................................................8

Defining SET/GET Parameter Attributes..................................................................................................................9

Automatic Field Input Checks.................................................................................................................................10

Field Input Checks with Error Dialog......................................................................................................................11

Checking Groups of Fields......................................................................................................................................12

Controlling Error Dialogs........................................................................................................................................13

Dialog Message Categories......................................................................................................................................14

The FIELD Statement and Data Transport..............................................................................................................15

Conditional Module Calls........................................................................................................................................16

Execution on Input...................................................................................................................................................17

Input Help................................................................................................................................................................24

Dropdown Boxes.....................................................................................................................................................25

Requirements of F4 Help.........................................................................................................................................26

ABAP Dictionary Object: Search Help...................................................................................................................27

Using Search Helps..................................................................................................................................................28

Creating a Checkbox................................................................................................................................................34

Creating a Radio Button Group...............................................................................................................................35

Program Flow for Radio Buttons and Checkboxes..................................................................................................36

Input/Output Elements: Pushbuttons.......................................................................................................................37

Pushbuttons..............................................................................................................................................................38

Pushbuttons: Attributes............................................................................................................................................39

Creating and Processing pushbuttons......................................................................................................................40

Input/Output Elements: Unit Summary...................................................................................................................41

Screen Elements for Input/Output: Exercises..........................................................................................................42

Screen Elements for Input/Output: Solutions..........................................................................................................46

Subscreen Area: Attributes........................................................................................................................................7

Creating a Subscreen Area.........................................................................................................................................8

Calling a Subscreen....................................................................................................................................................9

Subscreens from External Programs........................................................................................................................10

Special Case: Visibility of Data...............................................................................................................................11

Subscreens: Encapsulation in Function Groups.......................................................................................................12

Subscreens in Function Groups: Call Sequence......................................................................................................13

Subscreens in Function Groups: Data Transport.....................................................................................................14

Tabstrip Controls.....................................................................................................................................................15

Screen Elements: Tabstrip Controls.........................................................................................................................16

Creating Tabstrip Control: Tabstrip Subscreens......................................................................................................23

Scrolling Locally in Tabstrip Controls....................................................................................................................24

Scrolling Locally in Tabstrip Controls: Programming............................................................................................25

Scrolling in Tabstrip Controls..................................................................................................................................26

Scrolling in Tabstrip Controls: Programming..........................................................................................................27