private Telerik.Windows.Controls.GridViewColumnCollection CreateColumns()
{
int columnCount = 1000;
int rowCount = 1000000;
Items = new ObservableCollection<MyObject>(from i in Enumerable.Range(0, rowCount) select new MyObject(i));
MyConverter converter = new MyConverter();
Telerik.Windows.Controls.GridViewColumnCollection columns = new Telerik.Windows.Controls.GridViewColumnCollection();
for (int i = 0; i < columnCount; i++)
{
GridViewDataColumn column = new GridViewDataColumn();
column.Header = string.Format("Column {0}", i);
column.IsReadOnly = true;
column.ShowFieldFilters = false;
column.Width = 150;
Binding binding = new Binding("ID");
binding.Converter = converter;
binding.ConverterParameter = i;
column.DataMemberBinding = binding;
columns.Add(column);
}
return columns;
}
/// <summary>
/// The generated columns for grid.
/// </summary>
/// <returns>
/// The <see cref="GridViewColumnCollection"/>.
/// </returns>
private GridViewColumnCollection GeneratedColumnsForGrid()
{
if (MembersTable == null)
{
return null;
}
var columns = new GridViewColumnCollection();
/*
// Toggle Row Details.
if (!string.IsNullOrEmpty(RowDetailTemplateKey))
{
GridViewToggleRowDetailsColumn toggleColumn = new GridViewToggleRowDetailsColumn();
toggleColumn.SetBinding(GridViewToggleRowDetailsColumn.IsVisibleProperty, new Binding
{
Path = new PropertyPath("IsShowToggleRowDetail"),
Mode = BindingMode.TwoWay
});
columns.Add(toggleColumn);
}
*/
// Get Data Template for Columns
DataTemplate columnSelectedHoverTemplate = (DataTemplate)Application.Current.Resources["ColumnSelectedHoverTemplate"];
DataTemplate columnCheckedTemplate = (DataTemplate)Application.Current.Resources["ColumnCheckedTemplate"];
DataTemplate columnRadioTemplate = (DataTemplate)Application.Current.Resources["ColumnRadioSelectedHoverTemplate"];
DataTemplate columnEditDelSelectedHoverTemplate = (DataTemplate)Application.Current.Resources["ColumnEditDelSelectedHoverTemplate"];
foreach (var dcolumn in MembersTable.Columns)
{
var gridColumn = new GridViewDataColumn { Header = dcolumn.Header, UniqueName = dcolumn.ColumnName };
DynamicColumn customColumn = GridColumns.FirstOrDefault(d => d.ColumnName == dcolumn.ColumnName);
var path = gridColumn.DataMemberBinding.Path.Path;
gridColumn.DataMemberBinding = new Binding
{
Path = new PropertyPath(path),
Mode = BindingMode.TwoWay
};
if (customColumn != null)
{
// Set Data Template for Columns
if (customColumn.IsSelectedColumn && columnSelectedHoverTemplate != null)
{
gridColumn.CellTemplate = columnSelectedHoverTemplate;
}
if (customColumn.IsRadioSelectedColumn && columnRadioTemplate != null)
{
gridColumn.CellTemplate = columnRadioTemplate;
}
if (customColumn.Width != 0)
{
gridColumn.Width = customColumn.Width;
}
if (customColumn.MinWidth != 0)
{
gridColumn.MinWidth = customColumn.MinWidth;
}
if (customColumn.DataFormatString != null)
{
gridColumn.DataFormatString = customColumn.DataFormatString;
}
if (!this.IsGridReadOnly)
{
gridColumn.IsReadOnly = customColumn.IsReadOnly;
}
gridColumn.TextAlignment = customColumn.TextAlignment;
gridColumn.HeaderTextAlignment = customColumn.HeaderTextAlignment;
if (FilteringGenerate)
{
switch (customColumn.FilteringTemplate)
{
case RadGridViewEnum.FilteringDataList:
gridColumn.IsFilterable = true;
gridColumn.FilterMemberPath = gridColumn.UniqueName;
//// column.DataMemberBinding = column.UniqueName;
gridColumn.FilteringControl = new FilteringDataList
{
ItemsSource = customColumn.FilteringDataSource,
IsMultiSelect = true,
Title = customColumn.FilteringTitle
};
break;
case RadGridViewEnum.TextFieldFilter:
gridColumn.IsFilterable = true;
gridColumn.FilterMemberPath = gridColumn.UniqueName;
gridColumn.FilteringControl = new TextFieldFilter
{
AllOperators1 = customColumn.AllOperators,
AllOperators2 = customColumn.AllOperators,
AllLogicalOperator = customColumn.LogicalOperators,
IsNumber = false
};
break;
case RadGridViewEnum.FilteringComparision:
gridColumn.IsFilterable = true;
gridColumn.FilterMemberPath = gridColumn.UniqueName;
gridColumn.FilteringControl = new FilteringComparision
{
AllOperators1 = customColumn.AllOperators,
AllOperators2 = customColumn.AllOperators,
AllLogicalOperator = customColumn.LogicalOperators,
IsNumber = false
};
break;
case RadGridViewEnum.TextFieldDataListFilter:
gridColumn.IsFilterable = true;
gridColumn.FilterMemberPath = gridColumn.UniqueName;
gridColumn.FilteringControl = new TextFieldDataListFilter
{
ItemsSource = customColumn.FilteringDataSource,
IsMultiSelect = true,
Title = customColumn.FilteringTitle,
AllOperators1 = customColumn.AllOperators,
AllOperators2 = customColumn.AllOperators,
AllLogicalOperator = customColumn.LogicalOperators,
IsNumber = false
};
break;
default:
gridColumn.IsFilterable = false;
break;
}
}
else
{
gridColumn.IsFilterable = false;
}
switch (customColumn.ColumnTemplate)
{
case RadGridViewEnum.ColumnCheckedTemplate:
if (columnCheckedTemplate != null)
{
gridColumn.CellTemplate = columnCheckedTemplate;
}
else
{
gridColumn.CellTemplate = columnRadioTemplate;
}
break;
case RadGridViewEnum.ColumnRadioSelectedHoverTemplate:
if (customColumn.IsRadioSelectedColumn)
{
gridColumn.CellTemplate = columnRadioTemplate;
}
break;
case RadGridViewEnum.ColumnSelectedHoverTemplate:
break;
case RadGridViewEnum.ColumnEditDelSelectedHoverTemplate:
if (columnEditDelSelectedHoverTemplate != null)
{
gridColumn.CellTemplate = columnEditDelSelectedHoverTemplate;
}
break;
}
}
columns.Add(gridColumn);
}
return columns;
}
