private static void OnIsPositiveSequenceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataGridExtend dg = GetCurrentGrid(d);
List <DataGridColumnHeader> columnHeaders = GetVisualChildCollection <DataGridColumnHeader>(dg);
foreach (var item in columnHeaders)
{
ControlTemplate ct = item.Template;
Path pAscending = ct.FindName("pAscending", item) as Path;
Path pDescending = ct.FindName("pDescending", item) as Path;
pAscending.Visibility = Visibility.Collapsed;
pDescending.Visibility = Visibility.Collapsed;
}
DataGridColumnHeader colHeader = GetCurrentSortColumn(d) as DataGridColumnHeader;
ControlTemplate template = colHeader.Template;
if ((bool)e.NewValue == true)
{
Path pAscending = template.FindName("pAscending", colHeader) as Path;
pAscending.Visibility = Visibility.Visible;
}
else if ((bool)e.NewValue == false)
{
Path pDescending = template.FindName("pDescending", colHeader) as Path;
pDescending.Visibility = Visibility.Visible;
}
}
public static void OnFilteredItemsSourceChanged(object sender, DependencyPropertyChangedEventArgs e)
{
DataGridExtend g = sender as DataGridExtend;
if (g != null)
{
try
{
//if (e.NewValue == null)
// return;
Type srcT = e.NewValue.GetType().GetInterfaces().First(i => i.Name.StartsWith("IEnumerable"));
g.FilterType = srcT.GetGenericArguments().First();
g.ItemsSource = (IEnumerable)e.NewValue;
//g.Filters = new List<ColumnFilterControl>();
g.CanUserFilter = false;
if (g.Filters != null)
{
foreach (var filter in g.Filters)
{
filter.ResetControl();
}
}
if (DataLoadFinshEvent != null)
{
DataLoadFinshEvent(null, null);
}
}
catch (Exception ex)
{
}
}
}
public OptionColumnInfo(DataGridColumn column, DataGridExtend grid)
{
if (column == null)
return;
Column = column;
if (column is DataGridTemplateColumn)
{
var boundColumn = column as DataGridTemplateColumn;
if (boundColumn != null)
{
DataTemplate dt = boundColumn.CellTemplate as DataTemplate;
if (dt != null)
{
if (dt.DataType != null)
{
string dataType = dt.DataType.ToString();
TemplateColumnType templateType = (TemplateColumnType)Enum.Parse(typeof(TemplateColumnType), dataType);
System.Windows.Data.Binding binding = new Binding();
switch (templateType)
{
case TemplateColumnType.HyperLink:
StackPanel sp = dt.LoadContent() as StackPanel;
TextBlock tb = sp.Children[3] as TextBlock;
InlineUIContainer il = tb.Inlines.FirstInline as InlineUIContainer;
Label lbl = il.Child as Label;
Run r = lbl.Content as Run;
binding = BindingOperations.GetBinding(r, Run.TextProperty);
break;
case TemplateColumnType.TextBlock:
TextBlock tb1 = dt.LoadContent() as TextBlock;
binding = BindingOperations.GetBinding(tb1, TextBlock.TextProperty);
break;
case TemplateColumnType.CheckBox:
CheckBox cb = new CheckBox();
if (dt.LoadContent() is CheckBox)
{
cb = dt.LoadContent() as CheckBox;
}
else if(dt.LoadContent() is Grid)
{
Grid gd = dt.LoadContent() as Grid;
if (gd.Children.Count > 1)
{
cb = gd.Children[1] as CheckBox;
}
}
if (cb.IsThreeState)
{
IsSpecialState = true;
binding = BindingOperations.GetBinding(cb, CheckBox.ContentProperty);
}
else
{
binding = BindingOperations.GetBinding(cb, CheckBox.IsCheckedProperty);
}
break;
case TemplateColumnType.MultiComboBox:
try
{
MultiComboBox multiCbb = dt.LoadContent() as MultiComboBox;
binding = BindingOperations.GetBinding(multiCbb, MultiComboBox.TextProperty);
}
catch (Exception ex)
{
binding = null;
}
break;
case TemplateColumnType.ComboBox:
Grid gd2 = dt.LoadContent() as Grid;
ComboBox com = gd2.Children[0] as ComboBox;
if (!string.IsNullOrWhiteSpace(com.DisplayMemberPath))
{
binding = BindingOperations.GetBinding(com, ComboBox.SelectedItemProperty);
StringPath = com.DisplayMemberPath;
}
else
{
binding = BindingOperations.GetBinding(com, ComboBox.SelectedItemProperty);
}
break;
}
if (binding != null && binding.Path != null && !string.IsNullOrWhiteSpace(binding.Path.Path))
{
System.Reflection.PropertyInfo propInfo = null;
if (!string.IsNullOrWhiteSpace(StringPath))
{
System.Reflection.PropertyInfo propInfo2 = null;
if (grid.FilterType != null)
propInfo2 = grid.FilterType.GetProperty(binding.Path.Path);
propInfo = propInfo2.PropertyType.GetProperty(StringPath);
}
else
{
if (grid.FilterType != null)
propInfo = grid.FilterType.GetProperty(binding.Path.Path);
}
//if (propInfo != null)
//{
IsValid = propInfo != null ? true : false;
PropertyPath = binding.Path.Path;
Converter = binding.Converter;
PropertyType = propInfo != null ? propInfo.PropertyType : typeof(string);
if (Converter != null)
{
PropertyConvertType = Converter.Convert(null, null, null, null).GetType();
}
ConverterCultureInfo = binding.ConverterCulture;
ConverterParameter = binding.ConverterParameter;
//}
//else
//{
//}
}
}
}
}
else if (column.SortMemberPath != null && column.SortMemberPath.Length > 0)
{
PropertyPath = column.SortMemberPath;
PropertyType = grid.FilterType.GetProperty(column.SortMemberPath).PropertyType;
}
}
else
{
var boundColumn = column as DataGridBoundColumn;
if (boundColumn != null)
{
System.Windows.Data.Binding binding = boundColumn.Binding as System.Windows.Data.Binding;
if (binding.Path == null)
return;
if (binding != null && !string.IsNullOrWhiteSpace(binding.Path.Path))
{
System.Reflection.PropertyInfo propInfo = null;
if (grid.FilterType != null)
propInfo = grid.FilterType.GetProperty(binding.Path.Path);
if (propInfo != null)
{
IsValid = true;
PropertyPath = binding.Path.Path;
Converter = binding.Converter;
PropertyType = propInfo != null ? propInfo.PropertyType : typeof(string);
if (Converter != null)
{
PropertyConvertType = Converter.Convert(null, null, null, null) == null ? null : Converter.Convert(null, null, null, null).GetType();
}
ConverterCultureInfo = binding.ConverterCulture;
ConverterParameter = binding.ConverterParameter;
}
else
{
//if (System.Diagnostics.Debugger.IsAttached && System.Diagnostics.Debugger.IsLogging())
// System.Diagnostics.Debug.WriteLine("Jib.WPF.Controls.DataGrid.JibGrid: BindingExpression path error: '{0}' property not found on '{1}'", binding.Path.Path, boundObjectType.ToString());
}
}
}
else if (column.SortMemberPath != null && column.SortMemberPath.Length > 0)
{
PropertyPath = column.SortMemberPath;
PropertyType = grid.FilterType.GetProperty(column.SortMemberPath).PropertyType;
}
}
}
public static void SetCurrentGrid(DependencyObject obj, DataGridExtend value)
{
obj.SetValue(CurrentGridProperty, value);
}
