Date effective child form in Dynamics 2012

in a form to display the date effective filter pane you have to add this snippet in the form init method:

DateEffectivenessPaneController::constructWithForm(
        this,
        MYD_ClinicianPositions_ds);

the DateEffectivenessPaneController is responsible of creating all the user interface and the interaction.

if you also have a child form which is also date effective and you want it also to be filtered based on the date effective selection on the parent form you can do this:

public class FormRun extends ObjectRun
{
    SysFormSplitter_X verticalSplitter;
    DateEffectivenessPaneController effectivenessPaneController;
}

public void init()
{
    super();
    //Initialize splitter
    verticalSplitter = new SysFormSplitter_X(VSplitter, GridContainer, element, 300);

    //initialize the DateEffectivenessPaneController
    effectivenessPaneController = DateEffectivenessPaneController::constructWithForm(this, MYD_Mentor_ds);
}

then override the executeQuery method of the subform darasource:

public void executeQuery()
{
    FromDate fromDate = dateNull();
    ToDate toDate = dateMax();
    
    TransDate showAsOfDate;
    FormCheckBoxControl showAllCheckbox;
    boolean showAll;
    
    //get the selection from the parent form date effective toolbar
    showAsOfDate = effectivenessPaneController.parmShowAsOfDate();
    showAllCheckbox =  effectivenessPaneController.parmShowAllCheckbox();
    showAll = showAllCheckbox.value();
    
    if (showAll)
        this.query().validTimeStateDateRange(fromDate, toDate);
        
    if (showAsOfDate)
        this.query().validTimeStateAsOfDate(showAsOfDate);

    super();
}