private void ListViewDragDelta(Object sender, DragDeltaEventArgs e)
{
Thumb senderAsThumb = e.OriginalSource as Thumb;
GridViewColumnHeader header = senderAsThumb.TemplatedParent as GridViewColumnHeader;
if (header == null)
{
return;
}
ListViewExColumn column = header.Column as ListViewExColumn;
if (column != null)
{
Double minWidth = column.MinWidth;
Double maxWidth = column.MaxWidth;
if (Double.IsNaN(minWidth) == false)
{
if (header.Column.ActualWidth < minWidth)
{
header.Column.Width = minWidth;
}
}
if (Double.IsNaN(maxWidth) == false)
{
if (header.Column.ActualWidth > maxWidth)
{
header.Column.Width = maxWidth;
}
}
}
}
private void SetConfig(ListViewExConfig config)
{
for (int i = 0; i < PART_gridView.Columns.Count; i++)
{
foreach (ColumnConfig item in config.Columns)
{
if (i == item.Index)
{
ListViewExColumn column = (ListViewExColumn)PART_gridView.Columns[i];
if (item.Visible == true)
{
column.SaveWidth = item.Width;
column.Visible = true;
column.Width = item.Width;
}
else
{
column.SaveWidth = item.Width;
column.Visible = false;
}
} // end if (найдена текущая колонка
} // end foreach (перебор конфигурации колонок)
} // end foreach (перебор текущих колонок)
}
private ListViewExConfig GetConfig()
{
ListViewExConfig config = new ListViewExConfig();
for (int i = 0; i < PART_gridView.Columns.Count; i++)
{
ListViewExColumn column = (ListViewExColumn)PART_gridView.Columns[i];
ColumnConfig item = new ColumnConfig();
item.Index = i;
item.Name = (String)column.Header;
if (column.Visible == true)
{
item.Visible = true;
item.Width = column.ActualWidth;
}
else
{
item.Visible = false;
item.Width = column.SaveWidth;
}
config.Columns.Add(item);
}
return(config);
}
private void SetCheckContextMenu(ListViewExColumn column, Boolean value)
{
foreach (MenuItem item in _headerMenu.Items)
{
ListViewExColumn itemColumn = (ListViewExColumn)item.Tag;
if (column == itemColumn)
{
item.IsChecked = value;
return;
}
}
}
private void ColumnHeaderClickedHandler(Object sender, RoutedEventArgs e)
{
GridViewColumnHeader headerClicked = e.OriginalSource as GridViewColumnHeader;
ListSortDirection direction;
if (headerClicked != null)
{
if (_lastHeaderClicked != null)
{
_lastHeaderClicked.Column.HeaderTemplate = null;
}
if (headerClicked != _lastHeaderClicked)
{
direction = ListSortDirection.Ascending;
}
else
{
if (_lastDirection == ListSortDirection.Ascending)
{
direction = ListSortDirection.Descending;
}
else
{
direction = ListSortDirection.Ascending;
}
}
ListViewExColumn column = headerClicked.Column as ListViewExColumn;
if (column != null)
{
ColumnSort(column, direction);
if (direction == ListSortDirection.Ascending)
{
headerClicked.Column.HeaderTemplate =
Resources["HeaderTemplateArrowUp"] as DataTemplate;
}
else
{
headerClicked.Column.HeaderTemplate =
Resources["HeaderTemplateArrowDown"] as DataTemplate;
}
_lastHeaderClicked = headerClicked;
_lastDirection = direction;
}
}
}
private void OnHeaderMenuClick(Object sender, RoutedEventArgs e)
{
MenuItem item = sender as MenuItem;
if (item != null)
{
ListViewExColumn column = (ListViewExColumn)item.Tag;
if (item.IsChecked)
{
column.Visible = true;
}
else
{
column.Visible = false;
}
e.Handled = true;
}
}
private void ColumnSort(ListViewExColumn column, ListSortDirection direction)
{
if (_sorter != null)
{
_sorter.Direction = direction;
_sorter.ColumnName = column.Name;
ListCollectionView view = (ListCollectionView)CollectionViewSource.GetDefaultView(PART_listView.ItemsSource);
view.CustomSort = _sorter;
view.Refresh();
}
else
{
ICollectionView view = CollectionViewSource.GetDefaultView(PART_listView.ItemsSource);
if (view != null)
{
view.SortDescriptions.Clear();
SortDescription sortDesc = new SortDescription(column.Header as String, direction);
view.SortDescriptions.Add(sortDesc);
view.Refresh();
}
}
}
