Doing More with Selection Screens | SAP ABAP Advanced Cookbook

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SAP ABAP Advanced Cookbook

By : Rehan Zaidi

4.9 (7)

SAP ABAP Advanced Cookbook

4.9 (7)

By: Rehan Zaidi

Overview of this book

ABAP (Advanced Business Application Programming) is SAP's proprietary 4th Generation Language (4GL). SAP core is written almost entirely in ABAP.ABAP is a high level programming language used in SAP for development and other customization processes."SAP ABAP Advanced Cookbook"ù covers advanced SAP programming applications with ABAP. It teaches you to enhance SAP applications by developing custom reports and interfaces with ABAP programming. This cookbook has quick and advanced real world recipes for programming ABAP.It begins with the applications of ABAP Objects and ALV tips and tricks. It then covers Design Patterns and Dynamic Programming in detail.You will also learn the usage of quality improvement tools such as transaction SAT, SQL Trace, and the Code Inspector.Simple transformations and its application in Excel Downloading will also be discussed, as well as the newest topics of Adobe Interactive Forms and the consumption and creation of Web services. The book comes to an end by covering advanced usage of Web Dynpro for ABAP and the latest advancement in Floorplan Manager.

SAP ABAP Advanced Cookbook

SAP ABAP Advanced Cookbook

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

ABAP Objects

ABAP Objects

Introduction

Creating a shared memory object

Creating a persistent object

Creating classes based on factory methods

Creating classes based on singleton design pattern

Creating classes based on adapter pattern

Dynamic Programming

Dynamic Programming

Introduction

Using field symbols and data references to print database table contents

Applying dynamic Open SQL

Dynamic program generation

ALV Tricks

ALV Tricks

Introduction

Setting ALV columns as key columns and making zero amount appear as blank

Removing columns from display and layout

Enable Adding Layout toolbar buttons

Adding Hotspot to columns

Adding your own buttons to ALV toolbar

Adding checkboxes to columns

Regular Expressions

Regular Expressions

Introduction

Using regex as an IF statement

Removal of characters from a string

Converting date into internal date type

Validation of format (telephone number)

Removing repeated words from text string

Inserting commas in an amount string

Removing comments from program code

Interpreting HTML stream

Optimizing Programs

Optimizing Programs

Introduction

Using transaction SAT to find problem areas

Creation of secondary indexes in database tables

Adding hints in SELECT clause

Secondary indexes for internal tables

Hashed table for single read access

Replacing for all entries constructwith Ranges

Doing More with Selection Screens

Doing More with Selection Screens

Introduction

Adding tabstrips and listboxes to report selection screens

Adding toolbar buttons on selection screen

Changing screen fields on radio button selection

Taking desktop folder and filename as input

Coding search help exits for creating better F4 helps

Smart Forms – Tips and Tricks

Smart Forms – Tips and Tricks

Introduction

Toggle on/off the Microsoft Word text editor

Using background pictures and print preview

Using folder options for page protection

Printing several forms in one spool request

Converting Smart Forms to PDF output

Applying sorting and subtotaling to table fields

Working with SQL Trace

Working with SQL Trace

Introduction

Carrying out SQL trace

Generating and interpreting the trace result

Carrying out restricted trace

Filtering unwanted trace result entries

Summarizing a SQL list and viewing table-related information

Quickly finding the data source of a screen field

Finding the data source of a field's hit list

Code Inspector

Code Inspector

Introduction

Carrying out quick code inspection

Carrying out a full-fledged inspection

Carrying out database-specific performance checks

Suppressing messages using pseudo comments

Searching for ABAP statement patterns and tokens within code

Creating your own Code Inspector checks

Simple Transformations

Simple Transformations

Introduction

Creating simple transformations

Creating transformations for structures and calling them in programs

Creating transformations for internal tables

Generating transformations for dictionary table types

Downloading into Excel made easy using simple transformations

Sending E-mail Using BCS Classes

Sending E-mail Using BCS Classes

Introduction

Creating a simple e-mail message

Sending e-mail to Internet e-mail addresses

Adding attachments to your message

Creating HTML e-mail

Running a program and sending its output as an e-mail

Creating and Consuming Web Services

Creating and Consuming Web Services

Introduction

Creating a Web service from a function module

Configuring the created Web service

Consuming a Web service

Creating a consumer proxy's logical port

Calling a Web service from an ABAP program

SAP Interactive Forms by Adobe

SAP Interactive Forms by Adobe

Introduction

Creating nested tables

Enabling duplex printing in forms

Using form elements and scripting to create interactive forms

Working with Adobe offline infrastructure

Parallel printing of form

Adding error messages for interactive forms

PDF object API

Web Dynpro for ABAP

Web Dynpro for ABAP

Introduction

Creating trees

Creating navigation lists

Creating tabstrips

Displaying error messages

Calling dialog boxes of same component

Displaying Adobe forms in Web Dynpros

Floorplan Manager

Floorplan Manager

Introduction

Creating applications based on OIF Floorplan design

Changing header and ticket area at runtime

Adding list GUIBBs to Floorplan applications

Viewing structure of FPM applications

Creating GAF applications

Creating FPM applications using Application Creation Tool

Index

Index

Adding toolbar buttons on selection screen

In this recipe, we will see how toolbar buttons (and their relevant click code) may be added to selection screens. In this recipe, we will create a program that will display a selection screen having three toolbar buttons, each of which when clicked, takes us to a different transaction.

How to do it...

For adding buttons on your selection screen toolbar, proceed as follows:

First, declare the dictionary structure, sscrfields.
Here we define buttons with function keys 1, 2, and 3 using the selection-screen statement.
Also, an integer abc is defined.
Within the initialization event, the respective texts for the buttons are assigned to the functxt_01, functxt_02, and functxt_03 fields of the structure sscrfields.
Next, within the at selection-screen event, we check the value of the field sscrfields-ucomm. The FC01, FC02, and FC03 values represent the button-click event of the first, second, and third buttons respectively. We call the respective transactions...

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Tech Concepts

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Programming languages

73

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