/// <summary>
/// 'Expander' is part of the toggle button defined in the XAML that shows the [+] or [-]
/// sign when there are items under the current watch variable that can be inspected.
/// To maximise efficiency, the expansion of items must happen only when the expander is clicked
/// when showing [+]. This generated the child items from the Virtual Machine.
/// </summary>
/// <param name="sender"> The sender is the Toggle Button</param>
/// <param name="e"></param>
private void OnExpanderClicked(object sender, RoutedEventArgs e)
{
if (null == inspectionData) // Not possible...
{
return; // ... but, just to be sure.
}
Logger.LogInfo("Insepction-OnExpanderClicked", "OnExpanderClicked");
ToggleButton expanderToggle = (ToggleButton)sender;
// The parent we are trying to locate here is the InspectionViewItem. The
// expander is buried beneath several layers of stackpanels and grids under the Item
// and therefore we have to make numerous calls to find the InspectionViewItem.
InspectionViewItem parent = (InspectionViewItem)VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent(expanderToggle))))));
// expanderToggle.IsChecked == true means the [+] --> [-]
if (expanderToggle.IsChecked == true)
{
parent.IsExpanded = false;
InspectionData selectedData = (InspectionData)parent.DataContext;
inspectionData.ExpandInspection(selectedData);
// If there is a large amount of data, the user may have to wait.
// This is indicated by updating the mouse cursor.
Mouse.SetCursor(Cursors.Wait);
parent.IsSelected = true;
parent.IsExpanded = true;
selectedData.IsExpanded = true;
CheckExpansion(inspectionData.Data);
inspectionToolTip.Items.Refresh();
DoExpansion(inspectionData.Data);
Mouse.SetCursor(Cursors.Arrow);
// In the tooltip, the width of items may vary and the user cannot adjust the width
// of the datagrid. Therefore there must be a way top retrieve the maximum width of each column
// and adjust the setting so that the Inspection Values are not blocked for the user
colName.Width = inspectionData.MaxNameWidth();
colValue.Width = inspectionData.MaxValueWidth();
this.Width = colName.Width + colValue.Width;
}
}
/// <summary>
/// 'Expander' is part of the toggle button defined in the XAML that shows the [+] or [-]
/// sign when there are items under the current watch variable that can be inspected.
/// To maximise efficiency, the expansion of items must happen only when the expander is clicked
/// when showing [+]. This generated the child items from the Virtual Machine.
/// </summary>
/// <param name="sender"> The sender is the Toggle Button</param>
/// <param name="e"></param>
private void OnExpanderClicked(object sender, RoutedEventArgs e)
{
ToggleButton expanderToggle = (ToggleButton)sender;
if (null == expanderToggle)
{
return;
}
// The parent we are trying to locate here is the InspectionViewItem. The
// expander is buried beneath several layers of stackpanels and grids under the Item
// and therefore we have to make numerous calls to find the InspectionViewItem.
InspectionViewItem parent = (InspectionViewItem)VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent
(VisualTreeHelper.GetParent(expanderToggle))))));
object data = ((null == parent) ? null : parent.DataContext);
InspectionData selectedData = data as InspectionData;
if (null == selectedData)
{
return;
}
// expanderToggle.IsChecked == true means the [+] --> [-]
if (expanderToggle.IsChecked == true)
{
parent.IsExpanded = false;
dataCollection.ExpandInspection(selectedData);
parent.IsExpanded = true;
UpdateExpansionStates();
inspectionView.Items.Refresh();
DoExpansion(dataCollection.Data);
#if false
parent.IsExpanded = false;
InspectionData selectedData = (InspectionData)parent.DataContext;
dataCollection.ExpandInspection(selectedData);
// If there is a large amount of data, the user may have to wait.
// This is indicated by updating the mouse cursor.
Mouse.SetCursor(Cursors.Wait);
parent.IsSelected = true;
parent.IsExpanded = true;
selectedData.IsExpanded = true;
UpdateExpansionStates();
inspectionView.Items.Refresh();
DoExpansion(dataCollection.Data);
Mouse.SetCursor(Cursors.Arrow);
#endif
}
// Select the item that is currently being expanded/collapsed.
InspectionViewItem itemToSelect = ContainerFromItem(selectedData);
if (null != itemToSelect)
{
itemToSelect.IsSelected = true;
}
}