/// <summary>
/// Disposes all the resources used by the <see cref="Syncfusion.UI.Xaml.Grid.GridPagedCollectionViewWrapper"/> class.
/// </summary>
/// <param name="isDisposing">Indicates whether the call is from Dispose method or from a finalizer.</param>
protected override void Dispose(bool isDisposing)
{
if (isdisposed)
{
return;
}
if (isDisposing)
{
// Unwire View related events wired in GridModel
if (this.dataGrid != null && this.dataGrid.GridModel != null)
{
dataGrid.GridModel.UnWireEvents(false);
}
base.Dispose(isDisposing);
if (this.dataGrid != null)
{
this.dataGrid.View = null;
}
DetachGridView();
if (propertyAccessProvider != null)
{
propertyAccessProvider.Dispose();
propertyAccessProvider = null;
}
}
isdisposed = true;
}
/// <summary>
/// Invokes to get formatted string for corresponding value.
/// </summary>
/// <param name="column">GridColumn</param>
/// <param name="item">item is either Value or Record</param>
/// <param name="isRecord">true if item is record otherwise false</param>
/// <returns>formatted text</returns>
internal static string GetFormattedString(GridColumn column, ItemPropertiesProvider provider, object item, bool isRecord)
{
var displayBinding = column.DisplayBinding as Binding;
if (isRecord)
{
var displayText = column.isDisplayMultiBinding ? provider.GetFormattedValue(item, column.MappingName) : column.DataGrid.View.GetPropertyAccessProvider().GetDisplayValue(item, column.mappingName, column.useBindingValue);
if (displayText != null)
{
return(displayText.ToString());
}
//WPF-34213 - isdisplayingbindingcreated condition added.
else if (displayText == null && column.isdisplayingbindingcreated) //displayBinding.Converter != null && (displayBinding.Converter is GridValueConverter || displayBinding.Converter is DisplayMemberConverter))
{
return(GridResourceWrapper.Blanks);
}
}
var value = provider.GetConvertedValue(displayBinding, item);
//While item is null we need to return the Blanks text
if (item != null)
{
return(value.ToString());
}
return(GridResourceWrapper.Blanks);
}
/// <summary>
/// Invokes to get Formatted value from Binding
/// </summary>
/// <param name="provider">Property access provider</param>
/// <param name="binding">Binding</param>
/// <param name="value">Value</param>
/// <returns>formatted value</returns>
internal static object GetConvertedValue(this ItemPropertiesProvider provider, Binding binding, object value)
{
#if UWP
if (binding.Converter != null)
{
return(binding.Converter.Convert(value, null, binding.ConverterParameter, binding.ConverterLanguage));
}
if (value == null && binding.TargetNullValue != DependencyProperty.UnsetValue)
{
return(binding.TargetNullValue);
}
#else
if (binding.Converter != null)
{
return(binding.Converter.Convert(value, null, binding.ConverterParameter, binding.ConverterCulture));
}
if (value == null && binding.TargetNullValue != DependencyProperty.UnsetValue)
{
return(binding.TargetNullValue);
}
if (!String.IsNullOrEmpty(binding.StringFormat))
{
return((value is DateTime) ? Convert.ToDateTime(value).ToString(binding.StringFormat) : string.Format(binding.StringFormat, value));
}
#endif
return(value);
}
/// <summary>
/// Invokes to get Formatted value from Binding properties
/// </summary>
/// <param name="provider">ItemPropertiesProvider</param>
/// <param name="converter">IValueConverter</param>
/// <param name="parameter">Converter Parameter</param>
/// <param name="language">Converter Language</param>
/// <param name="targetNullValue">TargetNullValue</param>
/// <param name="value">value</param>
/// <returns>formatted value</returns>
internal static object GetConvertedValue(this ItemPropertiesProvider provider, IValueConverter converter, object parameter, string language, object targetNullValue, object value)
{
if (converter != null)
{
return(converter.Convert(value, null, parameter, language));
}
if (value == null && targetNullValue != DependencyProperty.UnsetValue)
{
return(targetNullValue);
}
return(value);
}
/// <summary>
/// Invokes to get ConvertBack value from Binding
/// </summary>
/// <param name="provider">Property access provider</param>
/// <param name="binding">Binding</param>
/// <param name="value">Value</param>
/// <returns>formatted value</returns>
internal static object GetConvertBackValue(this ItemPropertiesProvider provider, Binding binding, object value)
{
#if UWP
if (binding.Converter != null)
{
return(binding.Converter.ConvertBack(value, null, binding.ConverterParameter, binding.ConverterLanguage));
}
#else
if (binding.Converter != null)
{
return(binding.Converter.ConvertBack(value, null, binding.ConverterParameter, binding.ConverterCulture));
}
#endif
return(value);
}
/// <summary>
/// Initialize the ComboBoxAdv with required fields.
/// </summary>
/// <param name="uiElement">The ComboBoxAdv that loaded in Edit mode.</param>
/// <param name="dataColumn">The DataColumn that loads the ComboBoxAdv.</param>
protected virtual void InitializeEditBinding(ComboBoxAdv uiElement, DataColumnBase dataColumn)
{
var comboBoxColumn = dataColumn.GridColumn as GridComboBoxColumn;
if (this.DataGrid != null && this.DataGrid.View != null)
{
provider = this.DataGrid.View.GetPropertyAccessProvider();
}
var itemSource = this.GetItemsSource(dataColumn.GridColumn);
if (uiElement.DisplayMemberPath == string.Empty)
{
uiElement.DisplayMemberPath = "DisplayText";
}
uiElement.ItemsSource = itemSource;
uiElement.SelectedItems = null;
}
protected override ItemPropertiesProvider CreateItemPropertiesProvider()
{
if (this.IsDynamicBound)
{
propertyAccessProvider = new GridDynamicPropertiesProvider(this, dataGrid);
return(propertyAccessProvider);
}
if (this.IsXElementBound)
{
propertyAccessProvider = new GridXElementAttributesProvider(this, dataGrid);
}
else
{
propertyAccessProvider = new GridItemPropertiesProvider(this, dataGrid);
}
return(propertyAccessProvider);
}