/// <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>
/// Sets the selection.
/// </summary>
/// <param name="entityType"></param>
/// <param name="controls">The controls.</param>
/// <param name="selection">The selection.</param>
public override void SetSelection(Type entityType, Control[] controls, string selection)
{
if (string.IsNullOrWhiteSpace(selection) || controls.Length <= 0)
{
return;
}
var values = JsonConvert.DeserializeObject <List <string> >(selection);
if (values.Count <= 0)
{
return;
}
var stepType = GetStepType(values[1].AsGuid());
if (stepType == null)
{
return;
}
var containerControl = controls[0] as DynamicControlsPanel;
if (containerControl.Controls.Count > 0)
{
StepProgramPicker stepProgramPicker = containerControl.Controls[0] as StepProgramPicker;
stepProgramPicker.SelectedValue = stepType.StepProgramId.ToString();
}
if (containerControl.Controls.Count > 1)
{
StepTypePicker stepTypePicker = containerControl.Controls[1] as StepTypePicker;
stepTypePicker.StepProgramId = stepType.StepProgramId;
stepTypePicker.SelectedValue = stepType.Id.ToString();
EnsureSelectedStepTypeControls(stepTypePicker);
}
if (containerControl.Controls.Count > 2 && values.Count > 2)
{
DropDownList ddlProperty = containerControl.Controls[2] as DropDownList;
var entityFields = GetStepAttributes(stepType.Id);
var panelControls = new List <Control>();
panelControls.AddRange(containerControl.Controls.OfType <Control>());
SetEntityFieldSelection(entityFields, ddlProperty, values.Skip(2).ToList(), panelControls);
}
}
/// <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);
}
}
}
}
/// <summary>
/// Creates the child controls.
/// Implement this version of CreateChildControls if your DataFilterComponent supports different FilterModes
/// </summary>
/// <param name="entityType"></param>
/// <param name="filterControl"></param>
/// <param name="filterMode"></param>
/// <returns></returns>
public override Control[] CreateChildControls(Type entityType, FilterField filterControl, FilterMode filterMode)
{
// Create a container to hold our dynamic controls and add it to the FilterField.
var containerControl = new DynamicControlsPanel
{
ID = string.Format("{0}_containerControl", filterControl.ID),
CssClass = "js-container-control"
};
filterControl.Controls.Add(containerControl);
// Create the StepProgramPicker.
StepProgramPicker stepProgramPicker = new StepProgramPicker
{
ID = filterControl.ID + "_stepProgramPicker",
Label = "Step Program",
Required = true
};
stepProgramPicker.SelectedIndexChanged += stepProgramPicker_SelectedIndexChanged;
stepProgramPicker.AutoPostBack = true;
StepProgramPicker.LoadDropDownItems(stepProgramPicker, true);
containerControl.Controls.Add(stepProgramPicker);
// Create the StepTypePicker.
StepTypePicker stepTypePicker = new StepTypePicker
{
ID = filterControl.ID + "_stepTypePicker",
CssClass = "js-step-type-picker",
Label = "Step Type",
Required = true
};
stepTypePicker.SelectedIndexChanged += stepTypePicker_SelectedIndexChanged;
stepTypePicker.AutoPostBack = true;
containerControl.Controls.Add(stepTypePicker);
if (filterMode == FilterMode.SimpleFilter)
{
// we still need to render the control in order to get the selected StepProgramId on postback, so just hide it instead
stepProgramPicker.Style[HtmlTextWriterStyle.Display] = "none";
stepTypePicker.Style[HtmlTextWriterStyle.Display] = "none";
}
if (filterControl.Page.IsPostBack)
{
// If the Step Program has already been selected, make sure it retains that value, and
// set the StepProgramId of the StepTypePicker.
var stepProgramId = filterControl.Page.Request.Params[stepProgramPicker.UniqueID];
stepProgramPicker.SelectedValue = stepProgramId;
stepTypePicker.StepProgramId = stepProgramId.AsIntegerOrNull();
// If the Step Type has already been selected, make sure it retains that value.
var stepTypePickerId = filterControl.Page.Request.Params[stepTypePicker.UniqueID];
stepTypePicker.SelectedValue = stepTypePickerId;
// Ensure that the attribute filter controls are updated to reflect the current
// Step Type selection.
EnsureSelectedStepTypeControls(stepTypePicker);
}
return(new Control[] { containerControl });
}
