Creating Input and Button UI Element when doing an action
Dear All,
I have a requirement like this, initially i have one button in view, when i click on that button i need to add some group of input fields(say 10) and one button. can we achieve this? any code help pelase..
Thanks and Regards,
Venkat.
Hi,
first create two context attribute in the context
named flag and count
FLAG should be of type WDY_BOOLEAN.
COUNT should be of type INT1.
then just copy paste the code it will work .
Use the following code for creating 10 input fields and one button dynamically in one row.
write this code in wddomodify
DATA lo_el_context TYPE REF TO if_wd_context_element.
DATA ls_context TYPE wd_this->element_context.
DATA lv_flag LIKE ls_context-flag.
* get element via lead selection
lo_el_context = wd_context->get_element( ).
* get single attribute
lo_el_context->get_attribute(
EXPORTING
name = `FLAG`
IMPORTING
value = lv_flag ).
DATA lv_count LIKE ls_context-count.
* get element via lead selection
lo_el_context = wd_context->get_element( ).
* get single attribute
lo_el_context->get_attribute(
EXPORTING
name = `COUNT`
IMPORTING
value = lv_count ).
if lv_flag = abap_true.
Data name1 type STRING value 'NODE'.
data COUNT1 type string.
data attr_name type string value 'ATTR'.
data indx type String.
data tr_name type STRING value 'TR'.
data inp_name type string value 'INP'.
count1 = lv_count.
concatenate name1 count1 into name1.
condense name1.
concatenate tr_name count1 into tr_name.
condense tr_name.
data: lr_container type ref to cl_wd_transparent_container.
data: lr_container1 type ref to cl_wd_transparent_container.
data: lr_flow_data type ref to cl_wd_flow_data.
data: lr_matrix type ref to cl_wd_matrix_head_data.
data: lr_matrix1 type ref to cl_wd_matrix_data.
data :lr_button type ref to cl_wd_button.
lr_container ?= view->get_element( 'ROOTUIELEMENTCONTAINER' ).
lr_button = cl_wd_button=>new_button( text = 'Add' on_action = 'CREATE' id = TR_NAME ).
data lo_node type ref to if_wd_context_node.
data lo_node_child type ref to if_wd_context_node.
data lo_node_info type ref to if_wd_context_node_info.
data lo_childnode_info type ref to if_wd_context_node_info.
DATA EL TYPE REF TO IF_WD_CONTEXT_ELEMENT.
data bind_val type String.
lo_node_info = wd_context->get_node_info( ).
lo_node_info->ADD_NEW_CHILD_NODE( name = name1 ).
lo_node_child = wd_context->get_child_node( name = name1 ).
EL = LO_NODE_CHILD->CREATE_ELEMENT( ).
LO_NODE_CHILD->BIND_ELEMENT( EL ).
lo_childnode_info = lo_node_child->get_node_info( ).
do 10 times.
data attr type WDR_CONTEXT_ATTRIBUTE_INFO.
indx = sy-index.
concatenate attr_name indx into attr_name.
condense attr_name.
attr-name = attr_name.
attr-TYPE_NAME = 'STRING'.
lo_childnode_info->add_attribute( attr ).
concatenate name1 '.' attr_name into bind_val.
condense bind_val.
condense count1.
condense indx.
concatenate inp_name indx count1 into inp_name.
condense inp_name.
data lr_input type ref to CL_WD_INPUT_FIELD.
CALL METHOD CL_WD_INPUT_FIELD=>NEW_INPUT_FIELD
exporting
bind_value = bind_val
id = inp_name
RECEIVING
CONTROL = lr_INPUT.
IF sy-index = 1.
lr_matrix = cl_wd_matrix_head_data=>new_matrix_head_data( lr_INPUT ).
lr_INPUT->set_layout_data( lr_matrix ).
else.
lr_matrix1 = cl_wd_matrix_data=>new_matrix_data( lr_INPUT ).
lr_INPUT->set_layout_data( lr_matrix1 ).
endif.
lr_container->add_child( lr_INPUT ).
inp_name = 'INP'.
enddo.
lr_matrix1 = cl_wd_matrix_data=>new_matrix_data( lr_button ).
lr_button->set_layout_data( lr_matrix1 ).
lr_container->add_child( lr_button ).
* get element via lead selection
lo_el_context = wd_context->get_element( ).
* get single attribute
lo_el_context->set_attribute(
EXPORTING
name = `FLAG`
value = abap_false ).
endif.
create first button manually and give it an action named 'CREATE'
wirte the following code in the eventhandler of the first button.
DATA lo_el_context TYPE REF TO if_wd_context_element.
DATA ls_context TYPE wd_this->element_context.
DATA lv_flag LIKE ls_context-flag.
* get element via lead selection
lo_el_context = wd_context->get_element( ).
* get single attribute
lo_el_context->set_attribute(
name = `FLAG`
value = abap_true ).
DATA lv_count LIKE ls_context-count.
* get element via lead selection
lo_el_context = wd_context->get_element( ).
* get single attribute
lo_el_context->get_attribute(
EXPORTING
name = `COUNT`
IMPORTING
value = lv_count ).
lv_count = lv_count + 1.
lo_el_context->set_attribute(
EXPORTING
name = `COUNT`
value = lv_count ).
let me know if you need further assistance
thanks
sarbjeet singh
Edited by: sarbjeet singh on Jan 17, 2011 4:23 PM
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