Posted: Fri Nov 23, 2007 10:28 pm Post subject: Dialog Box and Splitter Containers
This example shows how to use the dialog box container and the splitter container.
A dialog box container is created, and a splitter container with 2 rows and 1 column is placed on it.
To keep the example simple row 1 of the splitter container is not used, but you can use it to place a control.
Row 2 is used to place a toolbar control in the button of the dialog box. The toolbar has an OK and a Cancel button. To keep the example simple, these 2 buttons only closes the dialog screen. The dialog box can also be closed by using the close button in the top right corner of the dialog box. This button is standard functionality, however you have to do the coding for closing the dialog box yourself.
Steps:
Create a screen
Place dynpro button on the screen that opens the dialog box. Name: DIALOG_BUTTON. Caption: Show dialog box. Function code: DIALOG
Place another dynpro on the screen to exit the program. Name: EXIT_BUTTON. Caption: Exit. Function code: EXIT.
Place a custom control on the screen for the dialog box. Name: DIALOG_CONTAINER
Place a custom control on the screen for the toolbar control. Name: TOOLBAR_CONTAINER
Code:
REPORT sapmz_hf_dialogbox_cont.
* Icons for the toolbar
TYPE-POOLS:icon.
* Predefinition of the event handler class. Necessary if
* you want to make references to the class before it is defined
CLASS lcl_event_handler DEFINITION DEFERRED.
*----------------------------------------------------------------------
* G L O B A L D A T A
*----------------------------------------------------------------------
DATA:
ok_code LIKE sy-ucomm,
* Dialog container
go_dialog_container TYPE REF TO cl_gui_dialogbox_container,
* Splitter container
go_splitter_container TYPE REF TO cl_gui_splitter_container,
* Event handler class
go_event_handler TYPE REF TO lcl_event_handler,
* SAP Toolbar
go_toolbar TYPE REF TO cl_gui_toolbar.
*----------------------------------------------------------------------
* Table and workarea for registration of events. Note that a TYPE REF
* to cls_event_handler must be created before you can
* reference types cntl_simple_events and cntl_simple_event.
*----------------------------------------------------------------------
DATA:
gi_events TYPE cntl_simple_events,
g_event TYPE cntl_simple_event.
*---------------------------------------------------------------------*
* CLASS lcl_event_handler
*---------------------------------------------------------------------*
* This class is used to handle events from the dialobox
* and the toolbar
*---------------------------------------------------------------------*
CLASS lcl_event_handler DEFINITION.
PUBLIC SECTION.
METHODS:
* Close event of the dialogbox
on_close
FOR EVENT close OF cl_gui_dialogbox_container
IMPORTING sender,
* Select event of the toolbar
on_function_selected
FOR EVENT function_selected OF cl_gui_toolbar
IMPORTING fcode.
ENDCLASS.
CLASS lcl_event_handler IMPLEMENTATION.
*----------------------------------------------------------------------
* Handles the Close event of the dialogbox. The colse event is
* triggered when the close button in the top right corner of the
* dialogbox is pushed. Closes the dialog box
*----------------------------------------------------------------------
METHOD on_close.
IF NOT sender IS INITIAL.
CALL METHOD sender->free
EXCEPTIONS
OTHERS = 1.
IF sy-subrc <> 0.
* Error handling
ENDIF.
FREE go_dialog_container.
CLEAR go_dialog_container.
ENDIF.
ENDMETHOD.
*----------------------------------------------------------------------
* Handles the Function Selected event of the toolbar, which is
* triggered when one of the buttons on the toolbar is pushed.
* Both pushbuttons closes the dialogbox
*----------------------------------------------------------------------
METHOD on_function_selected.
CASE fcode.
WHEN 'OK'.
CALL METHOD go_dialog_container->free.
FREE go_dialog_container.
CLEAR go_dialog_container.
WHEN 'CANCEL'.
CALL METHOD go_dialog_container->free.
FREE go_dialog_container.
CLEAR go_dialog_container.
ENDCASE.
ENDMETHOD.
ENDCLASS.
START-OF-SELECTION.
* Necessary to get access to certain predefined constants
CLASS cl_gui_cfw DEFINITION LOAD.
SET SCREEN '100'.
*&---------------------------------------------------------------------*
*& Module USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
* Handles the 2 dynpro pushbuttons on screen
*----------------------------------------------------------------------
MODULE user_command_0100 INPUT.
CASE ok_code.
WHEN 'EXIT'.
LEAVE TO SCREEN 0.
WHEN 'DIALOG'.
PERFORM show_dialog_box.
ENDCASE.
ENDMODULE. " USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
*& Form show_dialog_box
*&---------------------------------------------------------------------*
* Performed when the Show dialog box button is pushed.
*----------------------------------------------------------------------*
FORM show_dialog_box.
*----------------------------------------------------------------------
* Create Splitter container and configure
*----------------------------------------------------------------------
CREATE OBJECT go_splitter_container
EXPORTING
parent = go_dialog_container
rows = 2
columns = 1
EXCEPTIONS
others = 1.
IF sy-subrc <> 0.
* Do some error handling..............
ENDIF.
* Set row height for row 1
CALL METHOD go_splitter_container->set_row_height
EXPORTING
id = 1
height = 90.
* The splitter container should not have a border
CALL METHOD go_splitter_container->set_border
EXPORTING
border = cl_gui_cfw=>false.
* Configure the splitter bar. The splitterbar is configures
* so that it can't be moved
CALL METHOD go_splitter_container->set_row_sash
EXPORTING
id = 1 "Configure splitter bar no. 1
type = 0 "Type_movable
value = 0. "False
*----------------------------------------------------------------------
* Create Toolbar and set parent to the Splitter container
*----------------------------------------------------------------------
CREATE OBJECT go_toolbar
EXPORTING
parent = go_splitter_container
EXCEPTIONS
others = 1.
IF sy-subrc <> 0.
ENDIF.
* Add a buttons
CALL METHOD go_toolbar->add_button
EXPORTING
fcode = 'OK' "Function Code
icon = icon_okay "ICON name
is_disabled = ' ' "Disabled = X
butn_type = cntb_btype_button "Type of button
text = 'OK' "Text on button
is_checked = ' ' "Button selected
EXCEPTIONS
OTHERS = 1.
IF sy-subrc <> 0.
* Do some error handling..............
ENDIF.
CALL METHOD go_toolbar->add_button
EXPORTING
fcode = 'CANCEL' "Function Code
icon = icon_cancel "ICON name
is_disabled = ' ' "Disabled = X
butn_type = cntb_btype_button "Type of button
text = 'Cancel' "Text on button
is_checked = ' ' "Button selected
EXCEPTIONS
OTHERS = 1.
IF sy-subrc <> 0.
* Do some error handling..............
ENDIF.
*----------------------------------------------------------------------
* Add Toolbar control to row 2 of the Splitter container
*----------------------------------------------------------------------
CALL METHOD go_splitter_container->add_control
EXPORTING row = 2
column = 1
control = go_toolbar.
*----------------------------------------------------------------------
* Create object for the event handler class
*----------------------------------------------------------------------
CREATE OBJECT go_event_handler.
*----------------------------------------------------------------------
* Set Handler for the dialog container. Note that you don't have to
* register the events for this class
*----------------------------------------------------------------------
SET HANDLER go_event_handler->on_close
FOR go_dialog_container.
*----------------------------------------------------------------------
* Create event handler table for the toolbar control, and register
* the events
*----------------------------------------------------------------------
* Create event table. The event ID must be found in the
* documentation of the specific control
CLEAR g_event.
REFRESH gi_events.
g_event-eventid = go_toolbar->m_id_function_selected.
g_event-appl_event = 'X'. "This is an application event
APPEND g_event TO gi_events.
* Use the events table to register events for the control
CALL METHOD go_toolbar->set_registered_events
EXPORTING
events = gi_events.
* Set handler
SET HANDLER go_event_handler->on_function_selected
FOR go_toolbar.
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