/// <summary>
/// Ensures that the correct attribute filter controls are created based on the selected <see cref="StepType"/>.
/// </summary>
/// <param name="stepTypePicker">The <see cref="StepTypePicker"/>.</param>
private void EnsureSelectedStepTypeControls(StepTypePicker stepTypePicker)
{
DynamicControlsPanel containerControl = stepTypePicker.Parent as DynamicControlsPanel;
FilterField filterControl = containerControl.FirstParentControlOfType <FilterField>();
// Get the EntityFields for the attributes associated with the selected StepType.
var entityFields = GetStepAttributes(stepTypePicker.SelectedValueAsId());
// Create the attribute selection dropdown.
string propertyControlId = string.Format("{0}_ddlProperty", containerControl.ID);
RockDropDownList ddlProperty = containerControl.Controls.OfType <RockDropDownList>().FirstOrDefault(a => a.ID == propertyControlId);
if (ddlProperty == null)
{
ddlProperty = new RockDropDownList();
ddlProperty.ID = propertyControlId;
ddlProperty.AutoPostBack = true;
ddlProperty.SelectedIndexChanged += ddlProperty_SelectedIndexChanged;
ddlProperty.AddCssClass("js-property-dropdown");
containerControl.Controls.Add(ddlProperty);
}
// Clear the list of items. We will rebuild them to match the selected StepType.
ddlProperty.Items.Clear();
// Add an empty option.
ddlProperty.Items.Add(new ListItem());
// Add a ListItem for each of the attributes.
foreach (var entityField in entityFields)
{
ddlProperty.Items.Add(new ListItem(entityField.TitleWithoutQualifier, entityField.UniqueName));
}
if (stepTypePicker.Page.IsPostBack)
{
// If the attribute has been selected, make sure that value is retained.
ddlProperty.SetValue(stepTypePicker.Page.Request.Params[ddlProperty.UniqueID]);
}
// Add the filter controls (comparison type and value).
foreach (var entityField in entityFields)
{
string controlId = string.Format("{0}_{1}", containerControl.ID, entityField.UniqueName);
if (!containerControl.Controls.OfType <Control>().Any(a => a.ID == controlId))
{
var control = entityField.FieldType.Field.FilterControl(entityField.FieldConfig, controlId, true, filterControl.FilterMode);
if (control != null)
{
containerControl.Controls.Add(control);
}
}
}
}
/// <summary>
/// Handles the SelectedIndexChanged event of the ddlProperty control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
protected void ddlProperty_SelectedIndexChanged(object sender, EventArgs e)
{
var ddlProperty = sender as RockDropDownList;
var containerControl = ddlProperty.FirstParentControlOfType <DynamicControlsPanel>();
FilterField filterControl = ddlProperty.FirstParentControlOfType <FilterField>();
StepTypePicker stepTypePicker = filterControl.ControlsOfTypeRecursive <StepTypePicker>().Where(a => a.HasCssClass("js-step-type-picker")).FirstOrDefault();
var entityFields = GetStepAttributes(stepTypePicker.SelectedValueAsId());
var entityField = entityFields.FirstOrDefault(a => a.UniqueName == ddlProperty.SelectedValue);
if (entityField != null)
{
string controlId = string.Format("{0}_{1}", containerControl.ID, entityField.UniqueName);
if (!containerControl.Controls.OfType <Control>().Any(a => a.ID == controlId))
{
var control = entityField.FieldType.Field.FilterControl(entityField.FieldConfig, controlId, true, filterControl.FilterMode);
if (control != null)
{
// Add the filter controls of the selected field
containerControl.Controls.Add(control);
}
}
}
}
