How can I access Parent_View's data in Child_View and again other way?

[former_member194142]

Hello

I have cretaed Parent_WDC, w/ Parent_View, it has a button

Also created Child_WDC, w/ Child_view

By using the below tutorial i am calling Child_View as a POPUP from Parent_View of Parent_WDC, well.

http://www.saptechnical.com/Tutorials/WebDynproABAP/Popup/Index2.htm

Now, i want to have visibility of context/nodes of Parent_View in Child_View.

I need to do some validations in WDDOINIT, MODIFYVIEW of Child_View, but for that i need Parent_View's data / context

For example, Parent_View's node has a value of 3, i need to pass this 3 to Child's_View's node, here on the Child_View user enters 2, so, i need to add them as 2+3 = 5, finally i need to send the result as 5 to Parent_View's node

Pls. note all the context i defined at COMPONENTCONTROLLER of Parent_WDC

Pls. let me know how can i access Parent_View's data in child_view

Thank you

[former_member184578 · Accepted solution]

Hi,

To access node of one component in another, the Context Node in the component controller must be an 'Interface Node' ( select the property interface node of the context Node). then you can pass data to another component via Interface Controller

Regards,

Kiran

[former_member194142 · Accepted solution]

Thank you.

Already i have my_asssitance_class is in Parent_WDC

Can i go ahead and use the same my_assistance_class in Child_WDC?

If yes, can i store the nodes data as a CLASS-ATTRIBUTES in Parent_WDC and access in Child_View?

If OK, then i guess, it would be STATIC CLASS-ATTRIBUTES right?

is this approach is OK?

Bcz below how am calling Child_View as POPUP,

      lo_window_1              = lo_window_manager_1->create_and_open_popup(
        window_name          = 'ZCHILD_WDC'
        component_usage_name = 'CM_CON_DATA_ALV'
        message_type                = if_wd_window=>co_msg_type_none
        message_display_mode  = if_wd_window=>co_msg_display_mode_selected
         buttons              = lt_buttons
        cancel_action        = ls_canc_action
    ).

Regards

[former_member184578 · Accepted solution]

Hi,

Yes, you can use your assistance class with static attribute. Infact no need to add it in assistance class of your child component, you can simple access that attribute using class_name=>attr_name (if it is static public ).

Regards,

Kiran

[former_member194142 · Accepted solution]

Thank you.

You mean, i need to add my_assistance calss in Child_WDC at all? just keepint it in Parent_WDC is enough?

[ramakrishnappa · Accepted solution]

Hi,

As Kiran suggested,  you use assistance class zcl_my_class in Parent_wdc and create static attributes example gv_attr1, gv_attr2.

Before you call pop up window make sure you have filled values in attributes.

Now you can access the vales stored in class attributes inside child_wdc as below.

You can add value......

Zcl_my_class=> gv_attr1 = Zcl_my_class=> gv_attr1 + 1

Hope this helps you. 

Regards,

Rama

[former_member184578 · Accepted solution]

Hi,

You mean, i need to add my_assistance calss in Child_WDC at all? just keepint it in Parent_WDC is enough?

Yes. You don't have to add the class as assistance class either in Parent component/ Child Component. You can simply access/set the static attribute using class_name=>attr_name.

Regards,

Kiran

[former_member194142 · Accepted solution]

Thank you.

Last question pls...

I am guessing, every session has its own zcl_my_cl instance right?

I mean, i started running parent_WDC in my PC w/ my ID, i have my own zcl_my_cl instance..........whereas in thesame time you started running the Parent_WDC in your PC w/ ur own ID, then an another your own instance of zcl_my_cl will be created right?

Thank you

[ramakrishnappa · Accepted solution]

Yes, you are right.

Each session should have different instance of this class and its attributes.

Regards,

Rama

[Former Member]

Hi,

Option 1: convert node to 'Interface Node' and access throw events

Option 2: user plug in parameters to transfer data to main view to pop view.

Regards,

Ashok.

[former_member194142]

THank you,

Option 2: user plug in parameters to transfer data to main view to pop view.

Pls. eloborate it, bcz i don't see any PLUGs between MAIN & POPUP

Bcz below how am calling Child_View as POPUP,

      lo_window_1              = lo_window_manager_1->create_and_open_popup(
        window_name          = 'ZCHILD_WDC'
        component_usage_name = 'CM_CON_DATA_ALV'
        message_type                = if_wd_window=>co_msg_type_none
        message_display_mode  = if_wd_window=>co_msg_display_mode_selected
         buttons              = lt_buttons
        cancel_action        = ls_canc_action
    ).

Regards