code as bellow
*&---------------------------------------------------------------------* *& Include COLUMN_TREE_CONTROL_DEMOTOP * *& * *&---------------------------------------------------------------------* REPORT SAPCOLUMN_TREE_CONTROL_DEMO MESSAGE-ID TREE_CONTROL_MSG. CLASS LCL_APPLICATION DEFINITION DEFERRED. CLASS CL_GUI_CFW DEFINITION LOAD. * CAUTION: MTREEITM is the name of the item structure which must * be defined by the programmer. DO NOT USE MTREEITM! TYPES: ITEM_TABLE_TYPE LIKE STANDARD TABLE OF MTREEITM WITH DEFAULT KEY. DATA: G_APPLICATION TYPE REF TO LCL_APPLICATION, G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER, G_TREE TYPE REF TO CL_GUI_COLUMN_TREE, G_OK_CODE TYPE SY-UCOMM. * Fields on Dynpro 100 DATA: G_EVENT(30), G_NODE_KEY TYPE TV_NODEKEY, G_ITEM_NAME TYPE TV_ITMNAME, G_HEADER_NAME TYPE TV_HDRNAME. CONSTANTS: BEGIN OF c_nodekey, root type tv_nodekey value 'Root', "#EC NOTEXT child1 TYPE tv_nodekey VALUE 'Child1', "#EC NOTEXT * child2 type tv_nodekey value 'Child2', "#EC NOTEXT new1 TYPE tv_nodekey VALUE 'New1', "#EC NOTEXT new2 TYPE tv_nodekey VALUE 'New2', "#EC NOTEXT * new3 type tv_nodekey value 'New3', "#EC NOTEXT * new4 type tv_nodekey value 'New4', "#EC NOTEXT END OF c_nodekey, BEGIN OF c_column, column1 TYPE tv_itmname VALUE 'Column1', "#EC NOTEXT column2 TYPE tv_itmname VALUE 'Column2', "#EC NOTEXT column3 TYPE tv_itmname VALUE 'Column3', "#EC NOTEXT END OF c_column. *** INCLUDE COLUMN_TREE_CONTROL_DEMOTOP
*----------------------------------------------------------------------* * INCLUDE COLUMN_TREE_CONTROL_DEMOCL1 * *----------------------------------------------------------------------* CLASS LCL_APPLICATION DEFINITION. PUBLIC SECTION. METHODS: HANDLE_NODE_DOUBLE_CLICK FOR EVENT NODE_DOUBLE_CLICK OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY, HANDLE_HEADER_CLICK FOR EVENT HEADER_CLICK OF CL_GUI_COLUMN_TREE IMPORTING HEADER_NAME, HANDLE_EXPAND_NO_CHILDREN FOR EVENT EXPAND_NO_CHILDREN OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY, HANDLE_ITEM_DOUBLE_CLICK FOR EVENT ITEM_DOUBLE_CLICK OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY ITEM_NAME, HANDLE_BUTTON_CLICK FOR EVENT BUTTON_CLICK OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY ITEM_NAME, HANDLE_LINK_CLICK FOR EVENT LINK_CLICK OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY ITEM_NAME, HANDLE_CHECKBOX_CHANGE FOR EVENT CHECKBOX_CHANGE OF CL_GUI_COLUMN_TREE IMPORTING NODE_KEY ITEM_NAME CHECKED. ENDCLASS. "LCL_APPLICATION DEFINITION *----------------------------------------------------------------------* * CLASS LCL_APPLICATION IMPLEMENTATION *----------------------------------------------------------------------* * *----------------------------------------------------------------------* CLASS LCL_APPLICATION IMPLEMENTATION. METHOD HANDLE_NODE_DOUBLE_CLICK. " this method handles the node double click event of the tree " control instance " show the key of the double clicked node in a dynpro field G_EVENT = 'NODE_DOUBLE_CLICK'. G_NODE_KEY = NODE_KEY. CLEAR: G_ITEM_NAME, G_HEADER_NAME. ENDMETHOD. "HANDLE_NODE_DOUBLE_CLICK METHOD HANDLE_HEADER_CLICK. " this method handles header click event of the tree " control instance " show the name of the clicked header in a dynpro field G_EVENT = 'HEADER_CLICK'. G_HEADER_NAME = HEADER_NAME. CLEAR: G_NODE_KEY, G_ITEM_NAME. ENDMETHOD. "HANDLE_HEADER_CLICK METHOD HANDLE_ITEM_DOUBLE_CLICK. " this method handles the item double click event of the tree " control instance " show the key of the node and the name of the item " of the double clicked item in a dynpro field G_EVENT = 'ITEM_DOUBLE_CLICK'. G_NODE_KEY = NODE_KEY. G_ITEM_NAME = ITEM_NAME. CLEAR G_HEADER_NAME. ENDMETHOD. "HANDLE_ITEM_DOUBLE_CLICK METHOD HANDLE_LINK_CLICK. " this method handles the link click event of the tree " control instance " show the key of the node and the name of the item " of the clicked link in a dynpro field G_EVENT = 'LINK_CLICK'. G_NODE_KEY = NODE_KEY. G_ITEM_NAME = ITEM_NAME. CLEAR G_HEADER_NAME. ENDMETHOD. "HANDLE_LINK_CLICK METHOD HANDLE_BUTTON_CLICK. " this method handles the button click event of the tree " control instance " show the key of the node and the name of the item " of the clicked button in a dynpro field G_EVENT = 'BUTTON_CLICK'. G_NODE_KEY = NODE_KEY. G_ITEM_NAME = ITEM_NAME. CLEAR G_HEADER_NAME. ENDMETHOD. "HANDLE_BUTTON_CLICK METHOD HANDLE_CHECKBOX_CHANGE. " this method handles the checkbox_change event of the tree " control instance " show the key of the node and the name of the item " of the clicked checkbox in a dynpro field G_EVENT = 'CHECKBOX_CHANGE'. G_NODE_KEY = NODE_KEY. G_ITEM_NAME = ITEM_NAME. CLEAR G_HEADER_NAME. ENDMETHOD. "HANDLE_CHECKBOX_CHANGE METHOD HANDLE_EXPAND_NO_CHILDREN. DATA: NODE_TABLE TYPE TREEV_NTAB, NODE TYPE TREEV_NODE, ITEM_TABLE TYPE ITEM_TABLE_TYPE, ITEM TYPE MTREEITM. * show the key of the expanded node in a dynpro field G_EVENT = 'EXPAND_NO_CHILDREN'. G_NODE_KEY = NODE_KEY. CLEAR: G_ITEM_NAME, G_HEADER_NAME. IF node_key = c_nodekey-child1. * add two nodes * Node with key 'New1' CLEAR NODE. node-node_key = c_nodekey-New1. node-relatkey = c_nodekey-child1. NODE-RELATSHIP = CL_GUI_COLUMN_TREE=>RELAT_LAST_CHILD. APPEND NODE TO NODE_TABLE. * Node with key 'New2' CLEAR NODE. node-node_key = c_nodekey-New2. node-relatkey = c_nodekey-child1. NODE-RELATSHIP = CL_GUI_COLUMN_TREE=>RELAT_LAST_CHILD. NODE-N_IMAGE = '@10@'. APPEND NODE TO NODE_TABLE. * Items of node with key 'New1' CLEAR ITEM. item-node_key = c_nodekey-New1. item-item_name = c_column-Column1. item-class = cl_gui_column_tree=>item_class_text. item-text = 'New1 Col. 1'(n11). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-New1. item-item_name = c_column-Column2. ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_LINK. item-t_image = '@3C@'. APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-New1. item-item_name = c_column-Column3. item-class = cl_gui_column_tree=>item_class_text. item-text = 'New1 Col. 3'(n13). APPEND ITEM TO ITEM_TABLE. * Items of node with key 'New2' CLEAR ITEM. item-node_key = c_nodekey-New2. item-item_name = c_column-Column1. item-class = cl_gui_column_tree=>item_class_text. item-text = 'New2 Col. 1'(n21). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-New2. item-item_name = c_column-Column2. item-class = cl_gui_column_tree=>item_class_text. item-text = 'New2 Col. 2'(n22). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-New2. item-item_name = c_column-Column3. item-class = cl_gui_column_tree=>item_class_text. item-text = 'New2 Col. 3'(n23). APPEND ITEM TO ITEM_TABLE. CALL METHOD G_TREE->ADD_NODES_AND_ITEMS EXPORTING NODE_TABLE = NODE_TABLE ITEM_TABLE = ITEM_TABLE ITEM_TABLE_STRUCTURE_NAME = 'MTREEITM' EXCEPTIONS FAILED = 1 CNTL_SYSTEM_ERROR = 3 ERROR_IN_TABLES = 4 DP_ERROR = 5 TABLE_STRUCTURE_NAME_NOT_FOUND = 6. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. endif. ENDMETHOD. "HANDLE_EXPAND_NO_CHILDREN ENDCLASS. "LCL_APPLICATION IMPLEMENTATION
*------------------------------------------------------------------- ***INCLUDE column_tree_control_demoO01 . *------------------------------------------------------------------- *&---------------------------------------------------------------------* *& Module PBO_0400 OUTPUT *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* MODULE PBO_100 OUTPUT. SET PF-STATUS 'MAIN'. IF G_TREE IS INITIAL. " The Tree Control has not been created yet. " Create a Tree Control and insert nodes into it. PERFORM CREATE_AND_INIT_TREE. ENDIF. ENDMODULE. " PBO_0100 OUTPUT *** INCLUDE column_tree_control_demoO01
*------------------------------------------------------------------- ***INCLUDE column_tree_control_demoI01 . *------------------------------------------------------------------- *&---------------------------------------------------------------------* *& Module PAI_0400 INPUT *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* MODULE PAI_100 INPUT. data: return_code type i. * CL_GUI_CFW=>DISPATCH must be called if events are registered * that trigger PAI * this method calls the event handler method of an event CALL METHOD CL_GUI_CFW=>DISPATCH importing return_code = return_code. if return_code <> cl_gui_cfw=>rc_noevent. " a control event occured => exit PAI clear g_ok_code. exit. endif. CASE G_OK_CODE. WHEN 'BACK'. " Finish program IF NOT G_CUSTOM_CONTAINER IS INITIAL. " destroy tree container (detroys contained tree control, too) CALL METHOD G_CUSTOM_CONTAINER->FREE EXCEPTIONS CNTL_SYSTEM_ERROR = 1 CNTL_ERROR = 2. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. CLEAR G_CUSTOM_CONTAINER. CLEAR G_TREE. ENDIF. LEAVE PROGRAM. ENDCASE. * CAUTION: clear ok code! CLEAR G_OK_CODE. ENDMODULE. " PAI_0100 INPUT *** INCLUDE column_tree_control_demoI01
*------------------------------------------------------------------- ***INCLUDE column_tree_control_demoF01 . *------------------------------------------------------------------- *&---------------------------------------------------------------------* *& Form CREATE_AND_INIT_TREE *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* * --> p1 text * <-- p2 text *----------------------------------------------------------------------* FORM CREATE_AND_INIT_TREE. DATA: NODE_TABLE TYPE TREEV_NTAB, ITEM_TABLE TYPE ITEM_TABLE_TYPE, event type cntl_simple_event, EVENTS TYPE CNTL_SIMPLE_EVENTS, HIERARCHY_HEADER TYPE TREEV_HHDR. * create a container for the tree control CREATE OBJECT G_CUSTOM_CONTAINER EXPORTING " the container is linked to the custom control with the " name 'TREE_CONTAINER' on the dynpro CONTAINER_NAME = 'TREE_CONTAINER' EXCEPTIONS CNTL_ERROR = 1 CNTL_SYSTEM_ERROR = 2 CREATE_ERROR = 3 LIFETIME_ERROR = 4 LIFETIME_DYNPRO_DYNPRO_LINK = 5. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * setup the hierarchy header hierarchy_header-heading = 'Hierarchy Header'(roo). " heading HIERARCHY_HEADER-WIDTH = 30. " 30 characters * create a tree control * After construction, the control contains one column in the * hierarchy area. The name of this column * is defined via the constructor parameter HIERACHY_COLUMN_NAME. CREATE OBJECT G_TREE EXPORTING PARENT = G_CUSTOM_CONTAINER NODE_SELECTION_MODE = CL_GUI_COLUMN_TREE=>NODE_SEL_MODE_SINGLE ITEM_SELECTION = 'X' hierarchy_column_name = c_column-Column1 HIERARCHY_HEADER = HIERARCHY_HEADER EXCEPTIONS CNTL_SYSTEM_ERROR = 1 CREATE_ERROR = 2 FAILED = 3 ILLEGAL_NODE_SELECTION_MODE = 4 ILLEGAL_COLUMN_NAME = 5 LIFETIME_ERROR = 6. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * define the events which will be passed to the backend " node double click event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_NODE_DOUBLE_CLICK. event-appl_event = 'X'. " process PAI if event occurs append event to events. " item double click event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_ITEM_DOUBLE_CLICK. event-appl_event = 'X'. append event to events. " expand no children event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_EXPAND_NO_CHILDREN. event-appl_event = 'X'. append event to events. " link click event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_LINK_CLICK. event-appl_event = 'X'. append event to events. " button click event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_button_click. event-appl_event = 'X'. append event to events. " checkbox change event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_checkbox_change. event-appl_event = 'X'. append event to events. " header click event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_header_click. event-appl_event = 'X'. append event to events. CALL METHOD G_TREE->SET_REGISTERED_EVENTS EXPORTING EVENTS = EVENTS EXCEPTIONS CNTL_ERROR = 1 CNTL_SYSTEM_ERROR = 2 ILLEGAL_EVENT_COMBINATION = 3. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * assign event handlers in the application class to each desired event SET HANDLER G_APPLICATION->HANDLE_NODE_DOUBLE_CLICK FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_ITEM_DOUBLE_CLICK FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_EXPAND_NO_CHILDREN FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_LINK_CLICK FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_BUTTON_CLICK FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_CHECKBOX_CHANGE FOR G_TREE. SET HANDLER G_APPLICATION->HANDLE_HEADER_CLICK FOR G_TREE. * insert two additional columns * Column2 CALL METHOD G_TREE->ADD_COLUMN EXPORTING name = c_column-Column2 width = 21 header_text = 'Column2'(co2) EXCEPTIONS COLUMN_EXISTS = 1 ILLEGAL_COLUMN_NAME = 2 TOO_MANY_COLUMNS = 3 ILLEGAL_ALIGNMENT = 4 DIFFERENT_COLUMN_TYPES = 5 CNTL_SYSTEM_ERROR = 6 FAILED = 7 PREDECESSOR_COLUMN_NOT_FOUND = 8. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * Column3 CALL METHOD G_TREE->ADD_COLUMN EXPORTING name = c_column-Column3 width = 21 alignment = cl_gui_column_tree=>align_right header_text = 'Column3'(co3) EXCEPTIONS COLUMN_EXISTS = 1 ILLEGAL_COLUMN_NAME = 2 TOO_MANY_COLUMNS = 3 ILLEGAL_ALIGNMENT = 4 DIFFERENT_COLUMN_TYPES = 5 CNTL_SYSTEM_ERROR = 6 FAILED = 7 PREDECESSOR_COLUMN_NOT_FOUND = 8. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * add some nodes to the tree control * NOTE: the tree control does not store data at the backend. If an * application wants to access tree data later, it must store the * tree data itself. PERFORM BUILD_NODE_AND_ITEM_TABLE USING NODE_TABLE ITEM_TABLE. CALL METHOD G_TREE->ADD_NODES_AND_ITEMS EXPORTING NODE_TABLE = NODE_TABLE ITEM_TABLE = ITEM_TABLE ITEM_TABLE_STRUCTURE_NAME = 'MTREEITM' EXCEPTIONS FAILED = 1 CNTL_SYSTEM_ERROR = 3 ERROR_IN_TABLES = 4 DP_ERROR = 5 TABLE_STRUCTURE_NAME_NOT_FOUND = 6. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. * expand the node with key 'Root' CALL METHOD G_TREE->EXPAND_NODE EXPORTING node_key = c_nodekey-Root EXCEPTIONS FAILED = 1 ILLEGAL_LEVEL_COUNT = 2 CNTL_SYSTEM_ERROR = 3 NODE_NOT_FOUND = 4 CANNOT_EXPAND_LEAF = 5. IF SY-SUBRC <> 0. MESSAGE A000. ENDIF. ENDFORM. " CREATE_AND_INIT_TREE *&---------------------------------------------------------------------* *& Form build_node_and_item_table *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* * --> p1 text * <-- p2 text *----------------------------------------------------------------------* FORM BUILD_NODE_AND_ITEM_TABLE USING NODE_TABLE TYPE TREEV_NTAB ITEM_TABLE TYPE ITEM_TABLE_TYPE. DATA: NODE TYPE TREEV_NODE, ITEM TYPE MTREEITM. * Build the node table. * Caution: The nodes are inserted into the tree according to the order * in which they occur in the table. In consequence, a node must not * must not occur in the node table before its parent node. * Node with key 'Root' node-node_key = c_nodekey-Root. " Key of the node CLEAR NODE-RELATKEY. " Special case: A root node has no parent CLEAR NODE-RELATSHIP. " node. NODE-HIDDEN = ' '. " The node is visible, NODE-DISABLED = ' '. " selectable, NODE-ISFOLDER = 'X'. " a folder. CLEAR NODE-N_IMAGE. " Folder-/ Leaf-Symbol in state "closed": " use default. CLEAR NODE-EXP_IMAGE. " Folder-/ Leaf-Symbol in state "open": " use default CLEAR NODE-EXPANDER. " see below. APPEND NODE TO NODE_TABLE. * Node with key 'Child1' node-node_key = c_nodekey-child1. " Key of the node " Node is inserted as child of the node with key 'Root'. node-relatkey = c_nodekey-Root. NODE-RELATSHIP = CL_GUI_COLUMN_TREE=>RELAT_LAST_CHILD. NODE-HIDDEN = ' '. NODE-DISABLED = ' '. NODE-ISFOLDER = 'X'. CLEAR NODE-N_IMAGE. CLEAR NODE-EXP_IMAGE. NODE-EXPANDER = 'X'. " The node is marked with a '+', although " it has no children. When the user clicks on the " + to open the node, the event expand_nc is " fired. The programmerr can " add the children of the " node within the event handler of the expand_nc " event (see callback handle_expand_nc). APPEND NODE TO NODE_TABLE. * The items of the nodes: * Node with key 'Root' CLEAR ITEM. item-node_key = c_nodekey-Root. item-item_name = c_column-Column1. " Item of Column 'Column1' item-class = cl_gui_column_tree=>item_class_text. " Text Item item-text = 'Root Col. 1'(ro1). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-Root. item-item_name = c_column-Column2. " Item of Column 'Column2' item-class = cl_gui_column_tree=>item_class_text. item-text = 'Root Col. 2'(ro2). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-Root. item-item_name = c_column-Column3. " Item of Column 'Column3' " Item is a link (click on link fires event LINK_CLICK) item-class = cl_gui_column_tree=>item_class_link. item-text = 'Root Col. 3'(ro3). APPEND ITEM TO ITEM_TABLE. * Node with key 'Child1' CLEAR ITEM. item-node_key = c_nodekey-Child1. item-item_name = c_column-Column1. item-class = cl_gui_column_tree=>item_class_text. item-text = 'Child1 Col. 1'(c11). APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-Child1. item-item_name = c_column-Column2. " item-class = cl_gui_column_tree=>item_class_button. " Item is a button item-text = 'Child1 Col. 2'(c12). ITEM-T_IMAGE = '@0B@'. APPEND ITEM TO ITEM_TABLE. CLEAR ITEM. item-node_key = c_nodekey-Child1. item-item_name = c_column-Column3. " Item is a checkbox ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_CHECKBOX. ITEM-EDITABLE = 'X'. item-text = 'Child1 Col. 3'(c13). ITEM-T_IMAGE = '@0C@'. APPEND ITEM TO ITEM_TABLE. ENDFORM. " build_node_and_item_table *** INCLUDE column_tree_control_demoF01
START-OF-SELECTION. * create the application object * this object is needed to handle the ABAP Objects Events of * Controls CREATE OBJECT G_APPLICATION. SET SCREEN 100.