private void Item_Click(object sender, Interactivity.RoutedEventArgs e)
{
MenuItem item = e.Source as MenuItem;
OutlookSection section = item.Tag as OutlookSection;
this.SelectedSection = section;
}
private void ApplyOverflowMenu()
{
ObservableCollection <object> overflowItems = new ObservableCollection <object>();
if (OverflowMenuItems.Count > 0)
{
foreach (object item in OverflowMenuItems)
{
overflowItems.Add(item);
}
}
bool separatorAdded = false;
int visibleButtons = _maximizedSections.Count + (IsMaximized ? _minimizedSections.Count : 0);
var items = Items.OfType <OutlookSection>().ToList();
if (items.Count > 0)
{
for (int i = visibleButtons; i < items.Count; i++)
{
OutlookSection section = items[i];
if (overflowItems.OfType <MenuItem>().Any(x => x.Tag == section))
{
continue;
}
if (!separatorAdded)
{
overflowItems.Add(new Separator());
separatorAdded = true;
}
MenuItem item = new MenuItem();
item.Width = section.Width;
item.Header = section.Header;
item.Foreground = new SolidColorBrush(Colors.Red);
Image image = new Image();
image.Source = section.Image;
item.Icon = image;
item.Tag = section;
item.Click += Item_Click;
overflowItems.Add(item);
}
}
//SetValue(OutlookBar.OverflowMenuItemsProperty, overflowItems);
OverflowMenuItems = overflowItems;
}
/// <summary>
/// Occurs when the SelectedSection has changed.
/// </summary>
protected virtual void OnSelectedSectionChanged(OutlookSection oldSection, OutlookSection newSection)
{
var items = Items.OfType <OutlookSection>().ToList();
for (int index = 0; index < items.Count; index++)
{
OutlookSection section = items[index];
bool selected = newSection == section;
section.IsSelected = newSection == section;
if (selected)
{
SelectedSectionIndex = index;
SectionContent = IsMaximized ? section.Content : null;
CollapsedSectionContent = IsMaximized ? null : section.Content;
}
}
RaiseEvent(new RoutedPropertyChangedEventArgs <OutlookSection>(oldSection, newSection, SelectedSectionChangedEvent));
//RaiseEvent(new RoutedEventArgs(SelectedSectionChangedEvent));
}
/// <summary>
/// applies the sections
/// </summary>
protected virtual void ApplySections()
{
if (this.IsInitialized)
{
_maximizedSections = new ObservableCollection <OutlookSection>();
_minimizedSections = new ObservableCollection <OutlookSection>();
int max = MaxNumberOfButtons;
int index = 0;
int selectedIndex = SelectedSectionIndex;
OutlookSection selectedContent = null;
int n = GetNumberOfMinimizedButtons();
foreach (OutlookSection e in Items.OfType <OutlookSection>())
{
((ISetLogicalParent)e).SetParent(null);
e.OutlookBar = this;
e.Height = ButtonHeight;
if (max-- > 0)
{
e.IsMaximized = true;
_maximizedSections.Add(e);
}
else
{
e.IsMaximized = false;
if (_minimizedSections.Count < n)
{
_minimizedSections.Add(e);
}
}
bool selected = index++ == selectedIndex;
e.IsSelected = selected;
if (selected)
{
selectedContent = e;
}
}
try
{
SetValue(MaximizedSectionsProperty, _maximizedSections);
}
catch
{
//already has parent exception
InvalidateVisual();
InvalidateMeasure();
InvalidateArrange();
}
try
{
SetValue(MinimizedSectionsProperty, _minimizedSections);
}
catch
{
//already has parent exception
}
SetValue(SelectedSectionProperty, selectedContent);
}
}
private void IsSelectedPropertyChanged(OutlookSection o, AvaloniaPropertyChangedEventArgs e)
{
o.OnSelectedPropertyChanged((bool)e.OldValue, (bool)e.NewValue);
}
