public virtual void SaveState(string fileName)
{
Settings.Reset();
if (grid != null)
{
if (grid.Columns != null)
{
Settings.ColumnSettings.Clear();
foreach (GridViewColumn column in grid.Columns)
{
if (column is GridViewDataColumn)
{
GridViewDataColumn dataColumn = (GridViewDataColumn)column;
ColumnSetting setting = new ColumnSetting();
setting.PropertyName = dataColumn.DataMemberBinding.Path.Path;
setting.UniqueName = dataColumn.UniqueName;
setting.Header = dataColumn.Header;
setting.Width = dataColumn.ActualWidth;
setting.DisplayIndex = dataColumn.DisplayIndex;
Settings.ColumnSettings.Add(setting);
}
}
}
//if (grid.FilterDescriptors != null)
//{
// Settings.FilterSettings.Clear();
// foreach (IColumnFilterDescriptor cfd in grid.FilterDescriptors.OfType<IColumnFilterDescriptor>())
// {
// FilterSetting setting = new FilterSetting();
// if (!(cfd.FieldFilter.Filter1.Value == FilterDescriptor.UnsetValue)) {
// setting.Filter1 = new Telerik.Windows.Data.FilterDescriptor();
// setting.Filter1.Member = cfd.FieldFilter.Filter1.Member;
// setting.Filter1.Operator = cfd.FieldFilter.Filter1.Operator;
// setting.Filter1.Value = cfd.FieldFilter.Filter1.Value;
// setting.Filter1.MemberType = null;
// }
// if (!(cfd.FieldFilter.Filter2.Value == FilterDescriptor.UnsetValue)) {
// setting.Filter2 = new Telerik.Windows.Data.FilterDescriptor();
// setting.Filter2.Member = cfd.FieldFilter.Filter2.Member;
// setting.Filter2.Operator = cfd.FieldFilter.Filter2.Operator;
// setting.Filter2.Value = cfd.FieldFilter.Filter2.Value;
// setting.Filter2.MemberType = null;
// }
// foreach (Telerik.Windows.Data.FilterDescriptor fd in cfd.DistinctFilter.FilterDescriptors.OfType<Telerik.Windows.Data.FilterDescriptor>()) {
// if (fd.Value == FilterDescriptor.UnsetValue) {
// continue;
// }
// Telerik.Windows.Data.FilterDescriptor newFd = new Telerik.Windows.Data.FilterDescriptor();
// newFd.Member = fd.Member;
// newFd.Operator = fd.Operator;
// newFd.Value = fd.Value;
// newFd.MemberType = null;
// setting.SelectedDistinctValues.Add(newFd);
// }
// setting.PropertyName = cfd.Column.DataMemberBinding.Path.Path;
// Settings.FilterSettings.Add(setting);
// }
//}
if (grid.SortDescriptors != null)
{
Settings.SortSettings.Clear();
foreach (var d in grid.SortDescriptors)
{
SortSetting setting = new SortSetting();
if (d is ColumnSortDescriptor)
{
var dg = d as ColumnSortDescriptor;
setting.PropertyName = dg.Column.SortMemberPath ?? dg.Column.UniqueName;
}
else
{
setting.PropertyName = (d as SortDescriptor).Member;
}
setting.SortDirection = d.SortDirection;
Settings.SortSettings.Add(setting);
}
}
if (grid.GroupDescriptors != null)
{
Settings.GroupSettings.Clear();
foreach (var d in grid.GroupDescriptors)
{
GroupSetting setting = new GroupSetting();
if (d is ColumnGroupDescriptor)
{
var gd = d as ColumnGroupDescriptor;
setting.PropertyName = gd.Column.GroupMemberPath ?? gd.Column.UniqueName;
setting.SortDirection = gd.SortDirection;
setting.DisplayContent = gd.DisplayContent;
}
else
{
var gd = d as GroupDescriptor;
setting.PropertyName = gd.Member;
setting.SortDirection = gd.SortDirection;
setting.DisplayContent = gd.DisplayContent;
}
Settings.GroupSettings.Add(setting);
}
}
Settings.FrozenColumnCount = grid.FrozenColumnCount;
}
Settings.Save(fileName);
}
public void LoadStateCore()
{
if (this.grid != null)
{
grid.FrozenColumnCount = Settings.FrozenColumnCount;
if (Settings.ColumnSettings.Count > 0)
{
foreach (ColumnSetting setting in Settings.ColumnSettings)
{
ColumnSetting currentSetting = setting;
GridViewDataColumn column = (from c in grid.Columns.OfType <GridViewDataColumn>()
where c.UniqueName == currentSetting.UniqueName
select c).FirstOrDefault();
if (column != null)
{
if (currentSetting.DisplayIndex != null && currentSetting.DisplayIndex.Value < grid.Columns.Count)
{
column.DisplayIndex = currentSetting.DisplayIndex.Value;
}
if (setting.Width != null)
{
column.Width = new GridViewLength(setting.Width.Value);
}
}
}
}
using (grid.DeferRefresh()) {
if (Settings.SortSettings.Count > 0)
{
grid.SortDescriptors.Clear();
foreach (SortSetting setting in Settings.SortSettings)
{
Telerik.Windows.Data.SortDescriptor d = new Telerik.Windows.Data.SortDescriptor();
d.Member = setting.PropertyName;
d.SortDirection = setting.SortDirection;
grid.SortDescriptors.Add(d);
}
}
if (Settings.GroupSettings.Count > 0)
{
grid.GroupDescriptors.Clear();
foreach (GroupSetting setting in Settings.GroupSettings)
{
Telerik.Windows.Data.GroupDescriptor d = new Telerik.Windows.Data.GroupDescriptor();
d.Member = setting.PropertyName;
d.SortDirection = setting.SortDirection;
d.DisplayContent = setting.DisplayContent;
grid.GroupDescriptors.Add(d);
}
}
if (Settings.FilterSettings.Count > 0)
{
foreach (FilterSetting setting in Settings.FilterSettings)
{
FilterSetting currentSetting = setting;
GridViewDataColumn matchingColumn =
(from column in grid.Columns.OfType <GridViewDataColumn>()
where column.DataMemberBinding.Path.Path == currentSetting.PropertyName
select column).FirstOrDefault();
//if (matchingColumn != null) {
// ColumnFilterDescriptor cfd = new ColumnFilterDescriptor(matchingColumn);
// if (setting.Filter1 != null) {
// cfd.FieldFilter.Filter1.Member = setting.Filter1.Member;
// cfd.FieldFilter.Filter1.Operator = setting.Filter1.Operator;
// cfd.FieldFilter.Filter1.Value = setting.Filter1.Value;
// }
// if (setting.Filter2 != null) {
// cfd.FieldFilter.Filter2.Member = setting.Filter2.Member;
// cfd.FieldFilter.Filter2.Operator = setting.Filter2.Operator;
// cfd.FieldFilter.Filter2.Value = setting.Filter2.Value;
// }
// foreach (Telerik.Windows.Data.FilterDescriptor descriptor in setting.SelectedDistinctValues) {
// cfd.DistinctFilter.FilterDescriptors.Add(descriptor);
// }
// this.grid.FilterDescriptors.Add(cfd);
//}
}
}
}
}
}
