- SAP Managed Tags
Hi,
I have a requirement to display a list of documents to upload in tree(Hierarchy) view like below screenshot:
When we click on child node(trigger double click event), the relevant details display in right side of field. When we upload a document by pressing upload button, it uploads document using global class and after successful upload it should display a green check mark against that document. Logic is updating database table but it does not refresh the screen to show that check mark icon ( like we use refresh_table_display). How to refresh the this tree.
My code is: (It is a module pool tab strip program.)
CLASS LCL_APPLICATION_TREE DEFINITION DEFERRED.
TYPES: ITEM_TABLE_TYPE LIKE STANDARD TABLE OF MTREEITM WITH DEFAULT KEY.
DATA: G_APPLICATION_TREE TYPE REF TO LCL_APPLICATION_TREE,
cc_alv_cont TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
G_TREE TYPE REF TO CL_GUI_LIST_TREE,
G_OK_CODE TYPE SY-UCOMM.
data: Root type tv_nodekey value 'Root'.
data: it_doc_list type TABLE OF /spli/doc_list,
wa_doc_list like LINE OF it_doc_list,
it_doc_h type table of /SPLI/CL_DOC_H,
wa_doc_h like line of it_doc_h.
FIELD-SYMBOLS: <fs_doc_h> like line of it_doc_h.
data: it_doc type table of /spli/cl_doc_h, " temp table to get document history
wa_doc like line of it_doc, " temp wa to get dociment history
wa_hist_temp like line of it_doc_h. "
DATA: NODE_TABLE TYPE TREEV_NTAB,
ITEM_TABLE TYPE ITEM_TABLE_TYPE,
NODE TYPE TREEV_NODE,
ITEM TYPE MTREEITM
wa_ITEM like line of item_table.
*************************************************
* IN PBO in have written below code *
*************************************************
if g_tree is INITIAL.
IF cc_alv_cont is INITIAL.
perform get_tree_data.
perform build_tree_container.
perform build_tree.
endif.
endif.
____________________________________________________________________________________________
FORM GET_TREE_DATA .
clear: wa_doc_list, it_doc_list, it_doc_h.
* if application open first time it select data from config table TAB1
bla bla bla
bla bla bla
* endif.
* if application open 2nd time (document uploaded and have to refresh tree), it select data from transaction table TAB2
bla bla bla
bla bla bla
* endif.
ENDFORM. " GET_TREE_DATA
______________________________________________________________________________________________
* create a container for the tree control
CREATE OBJECT cc_alv_cont
EXPORTING
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 A011.
ENDIF.
________________________________________________________________________________________
FORM BUILD_TREE .
DATA: EVENTS TYPE CNTL_SIMPLE_EVENTS,
event type cntl_simple_event.
* create a list tree
CREATE OBJECT g_tree
EXPORTING
PARENT = cc_alv_cont
NODE_SELECTION_MODE = CL_GUI_LIST_TREE=>NODE_SEL_MODE_SINGLE
ITEM_SELECTION = 'X'
WITH_HEADERS = ' '
EXCEPTIONS
CNTL_SYSTEM_ERROR = 1
CREATE_ERROR = 2
FAILED = 3
ILLEGAL_NODE_SELECTION_MODE = 4
LIFETIME_ERROR = 5.
IF SY-SUBRC <> 0.
MESSAGE A011.
ENDIF.
* define the events which will be passed to the backend
" node double click
event-eventid = CL_GUI_list_TREE=>EVENTID_NODE_DOUBLE_CLICK.
event-appl_event = 'X'. "
append event to events.
" item double click
EVENT-EVENTID = CL_GUI_LIST_TREE=>EVENTID_ITEM_DOUBLE_CLICK.
event-appl_event = 'X'.
append event to events.
" expand no children
EVENT-EVENTID = CL_GUI_LIST_TREE=>EVENTID_EXPAND_NO_CHILDREN.
event-appl_event = 'X'.
append event to events.
" link click
EVENT-EVENTID = CL_GUI_LIST_TREE=>EVENTID_LINK_CLICK.
event-appl_event = 'X'.
append event to events.
" button click
EVENT-EVENTID = CL_GUI_LIST_TREE=>EVENTID_BUTTON_CLICK.
event-appl_event = 'X'.
append event to events.
" checkbox change
EVENT-EVENTID = CL_GUI_LIST_TREE=>EVENTID_CHECKBOX_CHANGE.
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 A011.
ENDIF.
CREATE OBJECT G_APPLICATION_TREE.
* assign event handlers in the application class to each desired event
SET HANDLER G_APPLICATION_TREE->HANDLE_NODE_DOUBLE_CLICK FOR G_TREE.
SET HANDLER G_APPLICATION_TREE->HANDLE_ITEM_DOUBLE_CLICK FOR G_TREE.
SET HANDLER G_APPLICATION_TREE->HANDLE_EXPAND_NO_CHILDREN FOR G_TREE.
SET HANDLER G_APPLICATION_TREE->HANDLE_LINK_CLICK FOR G_TREE.
SET HANDLER G_APPLICATION_TREE->HANDLE_BUTTON_CLICK FOR G_TREE.
SET HANDLER G_APPLICATION_TREE->HANDLE_CHECKBOX_CHANGE FOR G_TREE.
* 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 A011.
ENDIF.
ENDFORM. " BUILD_TREE
_____________________________________________________________________________
FORM BUILD_NODE_AND_ITEM_TABLE USING NODE_TABLE TYPE TREEV_NTAB
ITEM_TABLE TYPE ITEM_TABLE_TYPE.
if flg_clm eq 2.
clear: node_table, item_table.
endif.
* Node with root.
node-node_key = root.
clear node-relatkey.
clear node-relatship.
node-hidden = ' '.
node-isfolder = 'X'.
clear node-n_image.
clear Node-exp_image.
clear node-expander.
APPEND node to node_table.
clear node.
* node with parent
LOOP AT it_doc_list into wa_doc_list.
node-node_key = wa_doc_list-doc_group.
node-relatkey = root.
node-relatship = cl_gui_list_tree=>relat_last_child.
node-isfolder = 'X'.
Append node to node_table.
clear node.
* node with child
LOOP AT it_doc_h into wa_doc_h where doc_group eq wa_doc_list-doc_group.
node-node_key = wa_doc_h-doc_name.
node-relatkey = wa_doc_list-doc_group.
node-relatship = cl_gui_list_tree=>relat_last_child.
APPEND node to node_table.
clear: node, wa_doc_h.
ENDLOOP.
clear: node, wa_doc_list.
ENDLOOP.
* the items of the nodes:
* node with key root.
data: lv_parent type i value 0,
lv_child type i value 0.
clear item.
lv_parent = lv_parent + 1.
item-node_key = root.
item-item_name = lv_parent.
item-class = cl_gui_list_tree=>item_class_text. " text item piyush
" the width of the item is adjusted to its content (text)
item-alignment = cl_gui_list_tree=>align_auto.
" use proportional font for the item
item-font = cl_gui_list_tree=>item_font_prop.
item-text = 'Documents Check List'.
APPEND item to item_table.
clear: item, lv_parent.
LOOP AT it_doc_list into wa_doc_list.
item-node_key = wa_doc_list-doc_group.
lv_parent = lv_parent + 1.
item-item_name = lv_parent. "wa_doc_list-doc_name.
item-class = cl_gui_list_tree=>item_class_text.
item-alignment = cl_gui_list_tree=>align_auto.
item-font = cl_gui_list_tree=>item_font_prop.
item-text = wa_doc_list-doc_group.
append item to item_table.
clear: item, wa_doc_list, lv_parent.
ENDLOOP.
clear: item, wa_doc_h.
LOOP AT it_doc_h into wa_doc_h.
clear item.
lv_child = lv_child + 1.
item-node_key = wa_doc_h-doc_name.
ITEM-ITEM_NAME = lv_child. "wa_doc_h-doc_name.
ITEM-CLASS = CL_GUI_LIST_TREE=>ITEM_CLASS_TEXT.
ITEM-ALIGNMENT = CL_GUI_LIST_TREE=>ALIGN_AUTO.
* ITEM-LENGTH = '72'.
ITEM-FONT = CL_GUI_LIST_TREE=>ITEM_FONT_PROP.
item-text = wa_doc_h-doc_name.
APPEND ITEM TO ITEM_TABLE.
clear item.
IF wa_doc_h-doc_upload eq 'X'.
lv_child = lv_child + 1.
item-node_key = wa_doc_h-doc_name. "'Uploaded'. "wa_doc_h-upload_icon.
ITEM-ITEM_NAME = lv_child. "wa_doc_h-upload_icon.
ITEM-CLASS = CL_GUI_LIST_TREE=>ITEM_CLASS_TEXT.
ITEM-LENGTH = 4. " the width of the item is 4 characters
ITEM-IGNOREIMAG = 'X'. " see documentation of Structure
" TREEV_ITEM
* ITEM-USEBGCOLOR = 'X'. " item has light grey background
ITEM-T_IMAGE = wa_doc_h-upload_icon. "'@01@' " icon of the item
APPEND ITEM TO ITEM_TABLE.
endif.
clear: item, lv_child, wa_doc_h.
ENDLOOP.
ENDFORM. " BUILD_NODE_AND_ITEM_TABLE
_______________________________________________________________________________
When I open program first time, it works fine, but when I upload a document it doesn't refresh the tree, to refresh the tree, I have to re-start the program. If I do some code then either it overlap to all the tabs or double click event doesn't work.
Please suggest me how to handle this asap.
Regards
Piyush
Bluesky