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This example shows which attributes you have to change and which methods you have to overwrite in order to implement your own logon screen that should have the following elements:

  • User names

  • Password

  • Logon pushbutton

Prerequisites

Your class is a subclass of CL_ICF_SYSTEM_LOGIN.

Attributes

You need the following attributes in your class for your changes:

Attributes

Attribute

Description

CO_FORM_LOGIN

Form name

M_SAP_APPLICATION

Value of the action form attribute

CO_SAP_USER

Name and ID of the input field for the user name

CO_SAP_PASSWORD

Name and ID of the input field for the password

CO_JS_SUBMIT_LOGIN

Name of the JavaScript function to be called when a pushbutton is pressed on the logon screen

CO_EVENT_LOGIN

Event to be triggered when the logon pushbutton is pressed
Methods

In addition to the attributes, you need the htm_login method, which you overwrite in your class.

The interface of the htm_login method is used to transfer the JavaScript functions that are necessary and provided by the system and a series of form field value pairs of type HIDDEN, which are required to control the logon. The JavaScript functions are transferred as a string in the iv_javascript parameter; the form fields are transferred in the iv_hidden_fields parameter

The HTTP body that is necessary for the HTTP response is summarized in the htm_login method and returned as a string to the caller.