// Control area commands.
private void AddNewButton_Click(object sender, RoutedEventArgs e)
{
LoadChartItem item = new LoadChartItem {
Content = "New Resource"
};
item.GanttChartItems.Add(new AllocationItem {
Content = "New Task", Start = DateTime.Today, Finish = DateTime.Today.AddDays(1)
});
LoadChartDataGrid.Items.Add(item);
LoadChartDataGrid.SelectedItem = item;
LoadChartDataGrid.ScrollTo(item.GanttChartItems[0]);
}
private void LoadChartDataGrid_PreviewMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
Point controlPosition = e.GetPosition(LoadChartDataGrid);
Point contentPosition = e.GetPosition(LoadChartDataGrid.ChartContentElement);
DateTime dateTime = LoadChartDataGrid.GetDateTime(contentPosition.X);
LoadChartItem itemRow = LoadChartDataGrid.GetItemAt(contentPosition.Y) as LoadChartItem;
AllocationItem item = null;
FrameworkElement frameworkElement = e.OriginalSource as FrameworkElement;
if (frameworkElement != null)
{
item = frameworkElement.DataContext as AllocationItem;
}
if (controlPosition.X < LoadChartDataGrid.ActualWidth - LoadChartDataGrid.GanttChartView.ActualWidth)
{
return;
}
string message = String.Empty;
if (controlPosition.Y < LoadChartDataGrid.HeaderHeight)
{
message = string.Format("You have clicked the chart scale header at date and time {0:g}.", dateTime);
}
else if (item != null)
{
message = string.Format("You have clicked the allocation item '{0}' of resource item '#{1}' at date and time {2:g}.", item, itemRow.ActualDisplayRowIndex + 1, dateTime > item.Finish ? item.Finish : dateTime);
}
else if (itemRow != null)
{
message = string.Format("You have clicked at date and time {0:g} within the row of item '#{1}'.", dateTime, itemRow.ActualDisplayRowIndex + 1);
}
else
{
message = string.Format("You have clicked at date and time {0:g} within an empty area of the chart.", dateTime);
}
NotificationsTextBox.AppendText(string.Format("{0}{1}", NotificationsTextBox.Text.Length > 0 ? "\n" : string.Empty, message));
NotificationsTextBox.ScrollToEnd();
}
private void ExportImageButton_Click(object sender, RoutedEventArgs e)
{
LoadChartDataGrid.Export((Action) delegate
{
SaveFileDialog saveFileDialog = new SaveFileDialog {
Title = "Export Image To", Filter = "PNG image files|*.png"
};
if (saveFileDialog.ShowDialog() != true)
{
return;
}
BitmapSource bitmapSource = LoadChartDataGrid.GetExportBitmapSource(96 * 2);
using (Stream stream = saveFileDialog.OpenFile())
{
PngBitmapEncoder pngBitmapEncoder = new PngBitmapEncoder();
pngBitmapEncoder.Frames.Add(BitmapFrame.Create(bitmapSource));
pngBitmapEncoder.Save(stream);
}
});
}
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
List <LoadChartItem> items = new List <LoadChartItem>();
foreach (LoadChartItem item in LoadChartDataGrid.GetSelectedItems())
{
items.Add(item);
}
if (items.Count <= 0)
{
MessageBox.Show("Cannot delete the selected item(s) as the selection is empty; select an item first.", "Information", MessageBoxButton.OK);
return;
}
items.Reverse();
// LoadChartDataGrid.BeginInit();
foreach (LoadChartItem item in items)
{
LoadChartDataGrid.Items.Remove(item);
}
// LoadChartDataGrid.EndInit();
}
private void PrintButton_Click(object sender, RoutedEventArgs e)
{
LoadChartDataGrid.Print("LoadChartDataGrid Sample Document");
}
