How to add line series dynamically to a line chart in flex?

hi..i need to add line series dynamically to a line chart..depending on an array..the application is this..i have an array which stores the details of the users connected to an fmi server..the chart should display the bandwidth of each client..so the users should be added and removed from the chart dynamically...

Hi
1.I am giving you solution for dynamically adding values to the dropdown
public void addValue( ) //Method Name in Component controller
    //@@begin addValue()
          IWDNodeInfo nodeinfo = wdContext.nodeNodeTestData().getNodeInfo();// Node should be map to the view's Node
          IWDAttributeInfo att = nodeinfo.getAttribute("VechileTypes");// Attribute by which dropdown in bound//
          IModifiableSimpleValueSet svSet = att.getModifiableSimpleType().getSVServices().getModifiableSimpleValueSet();
          svSet.put(wdContext.currentNodeTestDataElement().getInpAtt(),wdContext.currentNodeTestDataElement().getInpAtt());
    //@@end
2.   wdThis.wdGetLangCompController().addValue(); // call this method in the point where u want to add values to the dropdown.

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Use custom tags.
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Hi
How can I add particluar column(s) to an internal table dynamically and then display in an alv.
for eg:
There are 5 columns and the 4th column is the period (1 to 12) that has been declared as select-options in the selection screen.
col1 = bukrs
col2 = lifnr
col3 = akont
col4 = period
col5 = waers
so my question is
if period is in the range from 1 to 3 then the internal table should be
bukrs lifnr akont period1 period2 period 3 waers.
likewise if the period is in the range from 1 to n then internal table should be
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Thanks

Hi,
First create a global field catalog with all 12 periods ie period1, period2, ....period12.
Once you have fieldcatalog with all 12 periods
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data : begin of i_period occurs 0.
data : period type i.
data : end of i_period.
data : v_no type i value 1.
do.
i_period-period = v_no.
v_no = v_no +1.
if v_no eq 12.
 exit.
endif.
enddo.
" Here arrive the periods that are not belong to selection option period
delete i_period where period in s_period.
data : v_fldname like dd03l-fieldname.
loop at i_period.
concatenate 'PERIOD' i_period-period into v_fldname.
condense v_fldname no-gaps.
read table i_fieldcat with key fieldname = v_fldname.
if sy-subrc eq 0.
 delete i_fieldcat index sy-tabix.
endif.
endloop.
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aRs

How to add a table (dynamic created) into a model attribute

i have dynamically created an internal table. Generally i use model-binding in a stateful MVC-Application.
Is there a possibiltity to transfer the dynamic table to a model. As far as i know generic attributes are not allowed in the modell class.
Every hint welcome
thx in advance

By some miracle I do have this finally working. I will warn you up front that the code is not the cleanest (I have stuff copied in from all over the place. I probably have lots of unused variable references - but I am running out of time to clean it up further). Also I don't have all the logic to support all your different possible dynamic structure types. I always use SFLIGHT as my dyanmic structure. Therefore you will have to adapt the coding to lookup the actual structure type in use.
So I have a model that has an structure ITAB type ref to data. In my Model initialization I go ahead and dynamically redfine this to my specific type:
METHOD init.
SELECT SINGLE * FROM sflight INTO CORRESPONDING FIELDS OF isflight.
DATA: struct_type TYPE REF TO cl_abap_structdescr,
 tabletype TYPE REF TO cl_abap_tabledescr.
struct_type ?= cl_abap_structdescr=>describe_by_name( 'SFLIGHT' ).
CREATE DATA me->itab TYPE HANDLE struct_type.
ENDMETHOD.
Then in my View I have the following:
<%@page language="abap" %>
<%@extension name="htmlb" prefix="htmlb" %>
<%@extension name="phtmlb" prefix="phtmlb" %>
<%@extension name="bsp" prefix="bsp" %>
<htmlb:content design="design2003" >
<htmlb:page title=" " >
 <htmlb:form>
 <phtmlb:matrix width="100%" >
 <%
field-symbols: <wa> type any.
assign model->itab->* to <wa>.
* append initial line to <wa_itab> assigning <Wa>.
data: descriptor type ref to CL_ABAP_STRUCTDESCR.
descriptor ?= CL_ABAP_STRUCTDESCR=>describe_by_data( <wa> ).
data: flddescr type DDFIELDS.
flddescr = descriptor->GET_DDIC_FIELD_LIST( ).
field-symbols: <wa_field> like line of flddescr.
data: label type ref to cl_htmlb_label.
data: input type ref to CL_HTMLB_INPUTFIELD.
data: binding_string type string.
"Loop through each field in the structure Definition
loop at flddescr assigning <Wa_field>.
clear label.
clear input.
concatenate '//model/itab.'
<wa_field>-FIELDNAME
into binding_string.
label ?= cl_htmlb_label=>factory( _for = binding_string ).
input ?= cl_htmlb_inputfield=>factory( _value = binding_string ).
 %>
 <phtmlb:matrixCell row = "+1"
 vAlign = "TOP" />
 <bsp:bee bee="<%= label %>" />
 <phtmlb:matrixCell col = "+1"
 vAlign = "TOP" />
 <bsp:bee bee="<%= input %>" />
 <%
endloop.
 %>
 </phtmlb:matrix>
 <htmlb:button id="Test" onClick="Test" text="Submit"/>
 </htmlb:form>
</htmlb:page>
The key to making this work are custom getter/setters. In your model class, you can copy from the template methods (Like GETM_S_XYZ for the metadata structure method). Copy them and remove the _ on the front of the name. Then change XYZ to the name of the attribute you are binding for. The following are my custom methods.
method get_m_s_itab .
* uses ****************************************************************
* data ****************************************************************
* code ****************************************************************
* method is supposed to return either info about a specific component
* of a structure (component is not initial -> return ref to
* if_bsp_metadata_simple) or the complete structure
* (component is initial -> return ref to if_bsp_metadata_struct)
data: l_attribute_ref type ref to data,
 l_attr_ref type ref to data,
 l_exception type ref to cx_root,
 l_ex type ref to cx_sy_conversion_error,
 l_ex_bsp type ref to cx_bsp_conversion_exception,
 l_ex2 type ref to cx_bsp_t100_exception,
 l_type type i,
 l_index type i,
 l_name type string,
 l_component type string,
 l_getter type string.
data: l_field_ref type ref to data,
 l_dfies_wa type dfies,
 rtti type ref to cl_abap_elemdescr.
data: crap type string,
 rest type string,
 t_index(10) type c.
split attribute_path at '[' into crap rest.
split rest at ']' into t_index crap.
****Dummy Object to avoid dumps
create object metadata type cl_bsp_metadata_simple
 exporting info = l_dfies_wa.
call method if_bsp_model_util~disassemble_path
 exporting
 path = attribute_path
 importing
 name = l_name
 index = l_index
 component = l_component
 type = l_type.
data: l_dataref type string.
****Dynamically determine your actual structure - for this demo
****I just hardcode SFLIGHT
concatenate 'SFLIGHT-' l_component into l_dataref.
data: field type ref to data.
****Create a data object of the specified type
try.
 create data field type (l_dataref).
 catch cx_sy_create_data_error.
 exit.
endtry.
rtti ?= cl_abap_typedescr=>describe_by_data_ref( field ).
l_dfies_wa = rtti->get_ddic_field( ).
clear metadata.
create object metadata type cl_bsp_metadata_simple
 exporting info = l_dfies_wa.
endmethod.
method get_s_itab .
* uses ****************************************************************
* data ****************************************************************
* code ****************************************************************
* get the given value of the component of the struct, e.g.
* field-symbols: <l_comp> type any.
* assign component component of structure XYZ to <l_comp>.
* value = <l_comp>.
data: l_attr_ref type ref to data,
 l_field_ref type ref to data.
data: l_attribute_ref type ref to data,
 l_exception type ref to cx_root,
 l_ex type ref to cx_sy_conversion_error,
 l_ex2 type ref to cx_bsp_t100_exception,
 l_type type i,
 l_index type i,
 l_name type string,
 l_component type string,
 l_getter type string,
 rtti type ref to cl_abap_elemdescr.
field-symbols: <o_data> type any,
 <n_data> type any.
*Test
call method if_bsp_model_util~disassemble_path
 exporting
 path = attribute_path
 importing
 name = l_name
 index = l_index
 component = l_component
 type = l_type.
* get a field reference for the assignment
field-symbols: <wa> type any,
 <l_comp> type any.
assign me->itab->* to <wa>.
assign component l_component of structure <wa> to <l_comp>.
get reference of <l_comp> into l_field_ref.
****Dynamically determine your actual structure - for this demo
****I just hardcode SFLIGHT
data: l_dataref type string.
concatenate 'SFLIGHT-' l_component into l_dataref.
data: field type ref to data.
****Create a data object of the specified type
try.
 create data field type (l_dataref).
 catch cx_sy_create_data_error.
 exit.
endtry.
assign l_field_ref->* to <o_data>.
assign field->* to <n_data>.
move <o_data> to <n_data>.
* call conversion routine
try.
 value = if_bsp_model_util~convert_to_string(
 data_ref = field
 attribute_path = attribute_path
 no_conversion_exit = 0 ).
 catch cx_sy_conversion_error into l_ex.
 me->errors->add_message_from_exception(
 condition = attribute_path
 exception = l_ex
 dummy = value ).
 catch cx_bsp_t100_exception into l_ex2.
 me->errors->add_message_from_t100(
 condition = attribute_path
 msgid = l_ex2->msgid
 msgno = l_ex2->msgno
 msgty = l_ex2->msgty
 p1 = l_ex2->msgv1
 p2 = l_ex2->msgv2
 p3 = l_ex2->msgv3
 p4 = l_ex2->msgv4
 dummy = value ).
endtry.
endmethod.
method set_s_itab .
* uses ****************************************************************
* data ****************************************************************
* code ****************************************************************
* assign the given value to the component of the struct, e.g.
* field-symbols: <l_comp> type any.
* assign component component of structure XYZ to <l_comp>.
* <l_comp> = value.
data: l_attr_ref type ref to data,
 l_field_ref type ref to data.
data: l_attribute_ref type ref to data,
 l_exception type ref to cx_root,
 l_ex type ref to cx_sy_conversion_error,
 l_ex_bsp type ref to cx_bsp_conversion_exception,
 l_ex2 type ref to cx_bsp_t100_exception,
 l_type type i,
 l_index type i,
 l_name type string,
 l_component type string,
 l_getter type string,
 rtti type ref to cl_abap_elemdescr.
field-symbols: <o_data> type any,
 <n_data> type any.
*Test
call method if_bsp_model_util~disassemble_path
 exporting
 path = attribute_path
 importing
 name = l_name
 index = l_index
 component = l_component
 type = l_type.
* get a field reference for the assignment
field-symbols: <wa> type any,
 <l_comp> type any.
assign me->itab->* to <wa>.
assign component l_component of structure <wa> to <l_comp>.
get reference of <l_comp> into l_field_ref.
****Dynamically determine your actual structure - for this demo
****I just hardcode SFLIGHT
data: l_dataref type string.
concatenate 'SFLIGHT-' l_component into l_dataref.
data: field type ref to data.
****Create a data object of the specified type
try.
 create data field type (l_dataref).
 catch cx_sy_create_data_error.
 exit.
endtry.
assign field->* to <n_data>.
move <l_comp> to <n_data>.
* call conversion routine
try.
 if_bsp_model_util~convert_from_string(
 data_ref = field
 value = value
 attribute_path = attribute_path
 use_bsp_exceptions = abap_true
 no_conversion_exit = 0 ).
 catch cx_sy_conversion_error into l_ex.
 me->errors->add_message_from_exception(
 condition = attribute_path
 exception = l_ex
 dummy = value ).
 catch cx_bsp_conversion_exception into l_ex_bsp.
 me->errors->add_message_from_exception(
 condition = attribute_path
 exception = l_ex_bsp
 dummy = value ).
 catch cx_bsp_t100_exception into l_ex2.
 me->errors->add_message_from_t100(
 condition = attribute_path
 msgid = l_ex2->msgid
 msgno = l_ex2->msgno
 msgty = l_ex2->msgty
 p1 = l_ex2->msgv1
 p2 = l_ex2->msgv2
 p3 = l_ex2->msgv3
 p4 = l_ex2->msgv4
 dummy = value ).
endtry.
if <n_data> is initial.
 clear <l_comp>.
else.
 move <n_data> to <l_comp>.
endif.
endmethod.
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How to add line series dynamically to a line chart in flex?

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