/// <summary>
/// Default constructor
/// </summary>
public RibbonGroupBox()
{
this.ToolTip = new ToolTip();
((ToolTip)this.ToolTip).Template = null;
this.CoerceValue(ContextMenuProperty);
this.Focusable = false;
this.Loaded += this.OnLoaded;
this.Unloaded += this.OnUnloaded;
this.updateChildSizesItemContainerGeneratorAction = new ItemContainerGeneratorAction(this.ItemContainerGenerator, this.UpdateChildSizes);
}
private void Refresh()
{
if (this.needsRefresh == false)
{
return;
}
this.needsRefresh = false;
if (this.itemContainerGeneratorAction == null)
{
this.itemContainerGeneratorAction = new ItemContainerGeneratorAction((ItemContainerGenerator)this.ItemContainerGenerator, this.Refresh);
}
// Clear currently used group containers
// and supply with new generated ones
foreach (var galleryGroupContainer in this.galleryGroupContainers)
{
BindingOperations.ClearAllBindings(galleryGroupContainer);
this.visualCollection.Remove(galleryGroupContainer);
}
this.galleryGroupContainers.Clear();
// Gets filters
var filter = this.Filter?.Split(',');
var dictionary = new Dictionary<string, GalleryGroupContainer>();
foreach (UIElement item in this.InternalChildren)
{
if (item == null)
{
continue;
}
// Resolve group name
string propertyValue = null;
if (this.GroupByAdvanced == null)
{
propertyValue = this.ItemContainerGenerator == null
? this.GetPropertyValueAsString(item)
: this.GetPropertyValueAsString(this.ItemContainerGenerator.GetItemContainerGeneratorForPanel(this).ItemFromContainer(item));
}
else
{
propertyValue = this.ItemContainerGenerator == null
? this.GroupByAdvanced(item)
: this.GroupByAdvanced(this.ItemContainerGenerator.GetItemContainerGeneratorForPanel(this).ItemFromContainer(item));
}
if (propertyValue == null)
{
propertyValue = "Undefined";
}
// Make invisible if it is not in filter
if (this.IsGrouped
&& filter != null
&& filter.Contains(propertyValue) == false)
{
item.Visibility = Visibility.Collapsed;
continue;
}
// Make all not filtered items visible
item.Visibility = Visibility.Visible;
// To put all items in one group in case of IsGrouped = False
if (this.IsGrouped == false)
{
propertyValue = "Undefined";
}
if (dictionary.ContainsKey(propertyValue) == false)
{
var galleryGroupContainer = new GalleryGroupContainer
{
Header = propertyValue
};
RibbonControl.Bind(this, galleryGroupContainer, "GroupStyle", GroupStyleProperty, BindingMode.OneWay);
RibbonControl.Bind(this, galleryGroupContainer, "Orientation", GalleryGroupContainer.OrientationProperty, BindingMode.OneWay);
RibbonControl.Bind(this, galleryGroupContainer, "ItemWidth", GalleryGroupContainer.ItemWidthProperty, BindingMode.OneWay);
RibbonControl.Bind(this, galleryGroupContainer, "ItemHeight", GalleryGroupContainer.ItemHeightProperty, BindingMode.OneWay);
RibbonControl.Bind(this, galleryGroupContainer, "MaxItemsInRow", GalleryGroupContainer.MaxItemsInRowProperty, BindingMode.OneWay);
RibbonControl.Bind(this, galleryGroupContainer, "MinItemsInRow", GalleryGroupContainer.MinItemsInRowProperty, BindingMode.OneWay);
dictionary.Add(propertyValue, galleryGroupContainer);
this.galleryGroupContainers.Add(galleryGroupContainer);
this.visualCollection.Add(galleryGroupContainer);
}
dictionary[propertyValue].Items.Add(new GalleryItemPlaceholder(item));
}
if ((this.IsGrouped == false || (this.GroupBy == null && this.GroupByAdvanced == null))
&& this.galleryGroupContainers.Count != 0)
{
// Make it without headers
this.galleryGroupContainers[0].IsHeadered = false;
}
this.InvalidateMeasure();
}