void HandleColumnsOrItemsSourceChanged()
{
if (Columns != null)
{
//todo: make a different one for when we activate the smooth mode.
List <KanBanColumn> columns = (List <KanBanColumn>)(IEnumerable <KanBanColumn>) Columns.ToList(); //calling ToList so we do not modify the original list.
// Add the "Unclassified" Column:
KanBanColumn unclassifiedColumn = new KanBanColumn()
{
Header = "Unclassified",
HeaderTemplate = ColumnHeaderTemplate
};
columns.Add(unclassifiedColumn);
// Create a ViewModel for each Column:
ObservableCollection <ColumnViewModel> columnViewModels = new ObservableCollection <ColumnViewModel>();
foreach (KanBanColumn column in columns)
{
column._kanBanControl = this;
columnViewModels.Add(new ColumnViewModel(column, ItemTemplate));
}
_kanBanViewModel.Columns = null;
_kanBanViewModel.Columns = columnViewModels;
SetItemsInViewModelColumns(columnViewModels);
} //todo: else put everything in an "UNCLASSIFIED" column
}
public ColumnViewModel(KanBanColumn column, DataTemplate itemTemplate)
{
ColumnDefinition = column;
ItemTemplate = itemTemplate;
OpenContextMenuColumnModification_Command = new OpenContextMenuColumnModificationCommand(this);
ItemDrop_Command = new ItemDropCommand(this);
ShowMore_Command = new ShowMoreCommand(this);
}
public void Execute(object parameter)
{
var childWindow = new EditKanBanColumnChildWindow();
KanBanColumn newColumn = new KanBanColumn()
{
Header = "", Id = ""
};
childWindow.DataContext = newColumn;
childWindow.Closed += EditKanBanColumnChildWindow_Closed;
childWindow.Show();
}
internal void MenuItemEditColumn_Click(object sender, RoutedEventArgs e)
{
var childWindow = new EditKanBanColumnChildWindow();
KanBanColumn dummyColumn = new KanBanColumn()
{
Header = ColumnDefinition.Header, Id = ColumnDefinition.Id
};
childWindow.DataContext = dummyColumn;
childWindow.Closed += EditKanBanColumnChildWindow_Closed;
childWindow.Show();
((ContextMenu)((MenuItem)sender).Tag).IsOpen = false;
}
private void EditKanBanColumnChildWindow_Closed(object sender, EventArgs e)
{
EditKanBanColumnChildWindow cw = (EditKanBanColumnChildWindow)sender;
if (cw.DialogResult == true)
{
KanBanColumn dummyColumn = (KanBanColumn)cw.DataContext;
ColumnDefinition.Header = dummyColumn.Header;
if (ColumnDefinition.Id != dummyColumn.Id)
{
ColumnDefinition.Id = dummyColumn.Id;
//force a refresh of the KanBanControl:
var columns = ColumnDefinition._kanBanControl.Columns;
ColumnDefinition._kanBanControl.Columns = null;
ColumnDefinition._kanBanControl.Columns = columns;
}
}
}
private void EditKanBanColumnChildWindow_Closed(object sender, EventArgs e)
{
EditKanBanColumnChildWindow cw = (EditKanBanColumnChildWindow)sender;
if (cw.DialogResult == true)
{
//Get the newly created Column's informations:
KanBanColumn newColumn = (KanBanColumn)cw.DataContext;
if (_kanBanControl.ColumnHeaderTemplate != null)
{
newColumn.HeaderTemplate = _kanBanControl.ColumnHeaderTemplate;
}
//Add the newly created Column to the columns of the KanBanControl and force a refresh
var columns = _kanBanControl.Columns;
_kanBanControl.Columns = null;
columns.Add(newColumn);
_kanBanControl.Columns = columns;
}
}