private void GanttChartDataGrid_PreviewMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
Point controlPosition = e.GetPosition(GanttChartDataGrid);
Point contentPosition = e.GetPosition(GanttChartDataGrid.ChartContentElement);
DateTime dateTime = GanttChartDataGrid.GetDateTime(contentPosition.X);
GanttChartItem itemRow = GanttChartDataGrid.GetItemAt(contentPosition.Y);
GanttChartItem item = null;
PredecessorItem predecessorItem = null;
FrameworkElement frameworkElement = e.OriginalSource as FrameworkElement;
if (frameworkElement != null)
{
item = frameworkElement.DataContext as GanttChartItem;
DependencyArrowLine.LineSegment dependencyLine = frameworkElement.DataContext as DependencyArrowLine.LineSegment;
if (dependencyLine != null)
{
predecessorItem = dependencyLine.Parent.DataContext as PredecessorItem;
}
}
if (controlPosition.X < GanttChartDataGrid.ActualWidth - GanttChartDataGrid.GanttChartView.ActualWidth)
{
return;
}
string message = String.Empty;
if (controlPosition.Y < GanttChartDataGrid.HeaderHeight)
{
message = string.Format("You have clicked the chart scale header at date and time {0:g}.", dateTime);
}
else if (item != null && item.HasChildren)
{
message = string.Format("You have clicked the summary task item '{0}' at date and time {1:g}.", item, dateTime < item.Start ? item.Start : (dateTime > item.Finish ? item.Finish : dateTime));
}
else if (item != null && item.IsMilestone)
{
message = string.Format("You have clicked the milestone task item '{0}' at date and time {1:g}.", item, item.Start);
}
else if (item != null)
{
message = string.Format("You have clicked the standard task item '{0}' at date and time {1:g}.", item, dateTime > item.Finish ? item.Finish : dateTime);
}
else if (predecessorItem != null)
{
message = string.Format("You have clicked the task dependency line between '{0}' and '{1}'.", predecessorItem.DependentItem, predecessorItem.Item);
}
else if (itemRow != null)
{
message = string.Format("You have clicked at date and time {0:g} within the row of item '{1}'.", dateTime, itemRow);
}
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 SetDependencyColorButton_Click(object sender, RoutedEventArgs e)
{
PredecessorItem predecessorItem = PertChartView.Items[2].Predecessors[0];
DlhSoft.Windows.Controls.Pert.PertChartView.SetDependencyLineStroke(predecessorItem, Resources["CustomDependencyLineStroke"] as Brush);
DlhSoft.Windows.Controls.Pert.PertChartView.SetDependencyTextForeground(predecessorItem, Resources["CustomDependencyLineStroke"] as Brush);
}
private void SetCriticalPathHighlighting(PredecessorItem predecessorItem, bool isHighlighted)
{
DlhSoft.Windows.Controls.Pert.PertChartView.SetDependencyLineStroke(predecessorItem, isHighlighted ? Resources["CustomDependencyLineStroke"] as Brush : PertChartView.DependencyLineStroke);
DlhSoft.Windows.Controls.Pert.PertChartView.SetDependencyTextForeground(predecessorItem, isHighlighted ? Resources["CustomDependencyLineStroke"] as Brush : PertChartView.DependencyTextForeground);
}
/// <summary>
/// Supprime un prédecesseur de l'élément.
/// </summary>
/// <param name="item">Le <see cref="PredecessorItem"/>.</param>
private void DeletePredecessorItem(PredecessorItem item)
{
_currentUpdatingPredecessors = item.DependentItem.Predecessors;
item.DependentItem.Predecessors.Remove(item);
_currentUpdatingPredecessors = null;
}