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 GanttChartDataGrid_ItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.StartsWith("Actual") || e.PropertyName.StartsWith("Computed") || e.PropertyName.Contains("Index"))
{
return;
}
var item = sender as GanttChartItem;
string message = string.Format("Property '{0}' of item '{1}' has changed.", e.PropertyName, item);
NotificationsTextBox.AppendText(string.Format("{0}{1}", NotificationsTextBox.Text.Length > 0 ? "\n" : string.Empty, message));
NotificationsTextBox.ScrollToEnd();
}
private void ScheduleChartDataGrid_PreviewMouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
Point controlPosition = e.GetPosition(ScheduleChartDataGrid);
Point contentPosition = e.GetPosition(ScheduleChartDataGrid.ChartContentElement);
DateTime dateTime = ScheduleChartDataGrid.GetDateTime(contentPosition.X);
ScheduleChartItem itemRow = ScheduleChartDataGrid.GetItemAt(contentPosition.Y);
GanttChartItem item = null;
FrameworkElement frameworkElement = e.OriginalSource as FrameworkElement;
if (frameworkElement != null)
{
item = frameworkElement.DataContext as GanttChartItem;
}
if (controlPosition.X < ScheduleChartDataGrid.ActualWidth - ScheduleChartDataGrid.GanttChartView.ActualWidth)
{
return;
}
string message = String.Empty;
if (controlPosition.Y < ScheduleChartDataGrid.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 task item '{0}' assigned to resource item '{1}' at date and time {2:g}.", item, itemRow, 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);
}
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();
}
