/// <summary>
/// Default method to be called for filter types for that type-specific handling was not implemented.
/// </summary>
/// <param name="filter">Filter to handle.</param>
/// <remarks>
/// This is the default Visit method that should be called only for parameter of type
/// that is not handled by Visit methods defined for specific filter types.
/// </remarks>
public void Visit(ISearchFilter filter)
{
AssertIsValidFilterInstance(filter);
Label filteringNotSupportedInfo = new Label();
filteringNotSupportedInfo.Content = "Filtering control is not available for this filter type.";
filteringNotSupportedInfo.ToolTip = filter.Description;
FilterControl = GetControlForFilter(filteringNotSupportedInfo, filter);
}
public void Visit(BooleanFilter filter)
{
AssertIsValidFilterInstance(filter);
CheckBox checkBox = new CheckBox();
checkBox.ToolTip = filter.Description;
checkBox.DataContext = filter;
SetBindingToControl(nameof(BooleanFilter.IsSelected), CheckBox.IsCheckedProperty, checkBox);
FilterControl = GetControlForFilter(checkBox, filter);
}
public void Visit(StringFilter filter)
{
AssertIsValidFilterInstance(filter);
TextBox textBox = new TextBox();
textBox.ToolTip = filter.Description;
textBox.DataContext = filter;
SetBindingToControl(nameof(StringFilter.MatchPattern), TextBox.TextProperty, textBox);
FilterControl = GetControlForFilter(textBox, filter);
}
/// <summary>
/// Method that creates controls set for a single control input filter.
/// </summary>
/// <param name="inputCtrl">Main input element that allows to specify criteria.</param>
/// <param name="filter">Associated filter definition instance.</param>
/// <returns>Controls set for defining a single filter matching criteria.</returns>
private FilterDefinitionControl GetControlForFilter(FrameworkElement inputCtrl, ISearchFilter filter)
{
var filterControl = new FilterDefinitionControl();
filterControl.SetFilterSpecificControls(filter.Name, inputCtrl);
filterControl.DataContext = filter;
SetBindingToControl(nameof(ISearchFilter.IsFilterEnabled), FilterDefinitionControl.IsFilterEnabledProperty, filterControl, BindingMode.TwoWay);
SetBindingToControl(nameof(ISearchFilter.IsFilterEnabled), FilterDefinitionControl.IsEnabledProperty, filterControl, BindingMode.OneWay);
return(filterControl);
}
public void Visit(DropDownFilter filter)
{
AssertIsValidFilterInstance(filter);
ComboBox availableValuesCtrl = new ComboBox();
availableValuesCtrl.ItemsSource = filter.AvailableValues;
availableValuesCtrl.SelectedValuePath = "Key";
availableValuesCtrl.DisplayMemberPath = "Value";
if (filter.SelectedValue != null)
{
availableValuesCtrl.SelectedValue = filter.SelectedValue;
}
SetBindingToControl(nameof(DropDownFilter.SelectedValue), ComboBox.SelectedValueProperty, availableValuesCtrl);
FilterControl = GetControlForFilter(availableValuesCtrl, filter);
}
