/// <summary>
/// Accordion section was Expanded (aka selected)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnExpanderExpanded(object sender, RoutedEventArgs e)
{
if (currentlyExpandedExpander != null)
{
Expander expanderLoosing = currentlyExpandedExpander as Expander;
expanderLoosing.IsExpanded = false;
SetRowHeight(currentlyExpandedExpander, GridUnitType.Auto);
}
currentlyExpandedExpander = sender as Expander;
SetRowHeight(sender, GridUnitType.Star);
if (Expanded != null)
{
Expanded.Invoke(currentlyExpandedExpander.Content, e);
}
QuickFilterControl qf = WpfHelper.FindDescendantElement(currentlyExpandedExpander, nameIdOfQuickFilter) as QuickFilterControl;
if (qf != null)
{
qf.Visibility = System.Windows.Visibility.Visible;
}
}
/// <summary>
/// Accordion section was collapsed, in order words is not longer the selected section
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnExpanderCollapsed(object sender, RoutedEventArgs e)
{
if (currentlyExpandedExpander != null)
{
QuickFilterControl qf = WpfHelper.FindDescendantElement(currentlyExpandedExpander, nameIdOfQuickFilter) as QuickFilterControl;
if (qf != null)
{
qf.Visibility = System.Windows.Visibility.Collapsed;
}
}
currentlyExpandedExpander = null;
SetRowHeight(sender, GridUnitType.Auto);
}
public void Add(string header, string id, object content, bool searchBox)
{
//-----------------------------------------------------------------
// The new accordion section is build using an Expander
//
Expander expanderToAdd = new Expander();
// Set dynamic reference to style so theme can be switched.
expanderToAdd.SetResourceReference(FrameworkElement.StyleProperty, "AccordionExpander");
expanderToAdd.Name = id;
expanderToAdd.IsExpanded = false;
expanderToAdd.Margin = new Thickness(0, 0, 0, 3);
// The expander header is a Grid with 2 columns
Grid expanderHeader = new Grid();
expanderHeader.Name = "MyHeader";
ColumnDefinition col1 = new ColumnDefinition();
expanderHeader.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Auto)
});
expanderHeader.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
//-----------------------------------------------------------------
// First column contains the Title of the accordion section
//
TextBlock headerText = new TextBlock();
headerText.Text = header;
Grid.SetColumn(headerText, 0);
expanderHeader.Children.Add(headerText);
//-----------------------------------------------------------------
// Second column contains the "Quick-Filter" control
//
if (searchBox)
{
QuickFilterControl qf = new QuickFilterControl();
qf.FilterValueChanged += new QuickFilterControl.QuickFilterValueChanged(OnFilterValueChanged);
qf.Name = nameIdOfQuickFilter;
qf.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
qf.VerticalAlignment = System.Windows.VerticalAlignment.Center;
Grid.SetColumn(qf, 1);
expanderHeader.Children.Add(qf);
qf.Visibility = System.Windows.Visibility.Collapsed;
}
else
{
IContainerStatus iCS = content as IContainerStatus;
if (iCS != null)
{
TextBlock tb = new TextBlock();
tb.Name = nameIdOfStatusControl;
tb.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
tb.TextAlignment = TextAlignment.Right;
tb.VerticalAlignment = System.Windows.VerticalAlignment.Center;
tb.Margin = new Thickness(5, 0, 0, 0);
tb.Visibility = System.Windows.Visibility.Visible;
Grid.SetColumn(tb, 1);
expanderHeader.Children.Add(tb);
iCS.SetTextBlock(tb);
}
}
//-----------------------------------------------------------------
// Set the expander header to be this new Grid we just created
expanderToAdd.Header = expanderHeader;
//-----------------------------------------------------------------
// Now set the content of the expander
//
expanderToAdd.Content = content as UIElement;
expanderToAdd.Expanded += new RoutedEventHandler(OnExpanderExpanded);
expanderToAdd.Collapsed += new RoutedEventHandler(OnExpanderCollapsed);
expanderToAdd.SizeChanged += new SizeChangedEventHandler(OnExpanderToAdd_SizeChanged);
//-----------------------------------------------------------------
// Add a new row to contain the new Accordion section
//
this.MainGrid.RowDefinitions.Count();
RowDefinition rd = new RowDefinition();
rd.Height = new GridLength(1, GridUnitType.Auto);
this.MainGrid.RowDefinitions.Add(rd);
// and the new Expender to the Accordion Section
int lastRow = this.MainGrid.Children.Add(expanderToAdd);
Grid.SetRow(expanderToAdd, lastRow);
}
