SAP Press - ABAP Development for Materias Management In SAP

SAP Press - ABAP Development for Materias Management In SAP - User Exits and BAdIs 目录：

Preface ....................................................................................................... 11
1 Introduction .............................................................................. 13
1.1 Objectives .................................................................................. 13
1.2 Structure and Content ................................................................. 13
1.3 Target Audience .......................................................................... 14
1.4 Prerequisites ............................................................................... 14
2 General Information on User Exits and BAdIs .......................... 17
2.1 Using User Exits .......................................................................... 17
2.1.1 Finding and Viewing Enhancements .............................. 18
2.1.2 Creating a Project and Assigning Enhancements ............. 18
2.1.3 Using Components of the Project ................................... 19
2.1.4 Activating and Deactivating Projects ............................. 21
2.2 Use of Classic BAdIs .................................................................... 22
2.2.1 Finding and Viewing Enhancements .............................. 22
2.2.2 Creating a BAdI Implementation .................................... 24
2.2.3 Working with Methods .................................................. 25
2.2.4 Activating and Deactivating BAdIs ................................. 27
2.2.5 Enhanced Editing Options .............................................. 28
2.3 Use of New BAdIs (Enhancement Spots) ..................................... 29
2.3.1 SAP Enhancement Framework ........................................ 29
2.3.2 Finding and Viewing Enhancement Spots ....................... 30
2.3.3 Creating Enhancement Implementations ........................ 31
2.3.4 Working with Methods .................................................. 33
2.3.5 Activating and Deactivating BAdIs ................................. 34
3 User Exits and BAdIs in Purchasing ......................................... 37
3.1 Customized Fields in Purchase Orders ......................................... 37
3.1.1 Overview of the Implementation .................................... 38
3.1.2 Implementation of Custom Purchase Order Data
and Function Group ....................................................... 42
3.1.3 Integration of Custom Fields into the BAdIs ................... 54
3.1.4 Integration of Customer Fields into the Business Logic ... 61
3.1.5 Initializing, Reading, and Updating Data ......................... 68
3.1.6 Display of Error Messages ............................................... 69
3.2 Customizing the Document Overview in Purchase
Requisitions or Purchase Orders .................................................. 72
3.2.1 Removal of a Standard Selection Variant ........................ 72
3.2.2 Inserting Custom Selection Variants ................................ 75
4 User Exits and BAdIs in External Services Management ......... 83
4.1 Prepopulating Account Assignment for Service Lines ................... 83
4.2 Input Check of the Service Lines ................................................. 86
4.2.1 Prepopulating Fields in EXIT_SAPLMLSP_030 ................ 87
4.2.2 Input Check in EXIT_SAPLMLSP_031 ............................. 88
4.3 Prepopulation of the Header Data in the Data Entry Sheet .......... 89
5 User Exits and BAdIs in Inventory Management ..................... 93
5.1 Custom
5.1.1 Custom Fields: An Overview .......................................... 94
5.1.2 Preparations in the ABAP Dictionary .............................. 97
5.1.3 Preparation of the Function Group ................................. 98
5.1.4 Preparation and Status Management in
MB_MIGO_BADI ........................................................... 104
5.1.5 Activation of Custom Header Data ................................. 109
5.1.6 Activation of Custom Item Data ..................................... 112
5.1.7 Updating the Data .......................................................... 117
5.2 Other Functions of the BAdI MB_MIGO_BADI ........................... 118
5.2.1 Noting Custom Data ...................................................... 119
5.2.2 Input Checks in Transaction MIGO ................................. 123
5.3 Checking and Prepopulating Standard Fields ............................... 125
5.3.1 Prepopulation of Storage Location and Text ................... 125
5.3.2 Checking the Standard Fields ......................................... 126
5.4 Check of the Earliest Delivery Date ............................................. 127
5.5 Tolerance Limits for Scheduling Agreements ............................... 129
5.5.1 Overwriting Overdelivery Quantity ................................. 129
5.5.2 Overwriting Default Quantity ......................................... 132
Fields in Transaction MIGO ............................................ 93
5.6 Enhancement of Reservations ....................................................... 134
5.6.1 Prepopulating Fields ....................................................... 135
5.6.2 Checking Entries ............................................................. 137
6 User Exits and BAdIs in the Valuation and Account
Assignment Area ....................................................................... 139
6.1 GR/IR Clearing Account .............................................................. 139
6.2 Overriding the Account Determination in the User Exit ............... 141
7 User Exits and BAdIs in Logistics Invoice Veri cation ............. 145
7.1 Custom
7.1.1 Overview of the Solution via BAdI .................................. 146
7.1.2 BAdI in Detail — Customizations in the
ABAP Dictionary ............................................................ 148
7.1.3 Creating a Custom Dynpro with Table Control ............... 151
7.1.4 Preparation of the Data in the BAdI ............................... 154
7.1.5 Back to the Dynpro ........................................................ 158
7.2 Overriding Tolerance Checks ...................................................... 164
7.2.1 Tolerance Limits in Customizing ..................................... 165
7.2.2 Use of the Enhancement ................................................ 166
8 Validation and Substitution of Accounting Documents .......... 171
8.1 Validation of Accounting Documents .......................................... 172
8.1.1 Callup Points ................................................................. 172
8.1.2 Steps .............................................................................. 173
8.1.3 Example without Exit Routine ........................................ 174
8.1.4 Example with Exit Routine ............................................. 177
8.2 Substitution of Accounting Documents ....................................... 182
8.2.1 Substitution without Exit Routine ................................... 183
8.2.2 Substitution with Exit Routine ........................................ 185
8.2.3 Read Access to Data of the Source Document ................ 188
Fields in Transaction MIRO ............................................ 145

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[ABAP] SAP Press - ABAP Development for Materias Management In SAP

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