public ItemPropertiesDescriptor( ItemContent content )
{
myOwner = content;
if ( content.Properties != null )
{
myProperties = content.Properties;
}
else
{
myProperties = new ItemPropertyCollection();
}
}
internal string Save()
{
var container = new ItemContent();
var innerContent = Content;
try
{
Content = null;
container.Content = innerContent;
container.Properties = Properties;
return XamlWriter.Save( container );
}
finally
{
container.Content = null;
container.Properties = null;
Content = innerContent;
}
}
private void Group_Executed( object sender, ExecutedRoutedEventArgs e )
{
var items = from item in this.SelectionService.CurrentSelection.OfType<DesignerItem>()
where item.ParentID == Guid.Empty
select item;
Rect rect = GetBoundingRectangle( items );
var groupItem = new DesignerItem();
groupItem.IsGroup = true;
groupItem.Width = rect.Width;
groupItem.Height = rect.Height;
Canvas.SetLeft( groupItem, rect.Left );
Canvas.SetTop( groupItem, rect.Top );
var itemContent = new ItemContent();
// TODO: copy does NOT work
// itemContent.Properties = new ItemPropertyCollection( items.SelectMany( item => ((ItemContent)item.Content).Properties ) );
groupItem.Content = itemContent;
Canvas.SetZIndex( groupItem, Children.Count );
Children.Add( groupItem );
foreach( var item in items )
{
item.ParentID = groupItem.ID;
}
SelectionService.SelectItem( this, groupItem );
}
// backward compatibility code
private void UpgradeItemContent( ItemContent content )
{
if( content.Properties.Any( p => p.ElementName == "ClassName" ) )
{
( ( Border )content.Content ).Name = "Body";
content.Properties.Add( new ItemProperty { ElementName = "Body", ElementProperty = "Background", DisplayName = "Fill", IsComponentName = false } );
return;
}
if( content.Properties.Any( p => p.ElementName == "ObjectName" ) )
{
( ( Border )content.Content ).Name = "Body";
content.Properties.Add( new ItemProperty { ElementName = "Body", ElementProperty = "Background", DisplayName = "Fill", IsComponentName = false } );
return;
}
if( content.Properties.Any( p => p.ElementName == "Question" ) )
{
var grid = ( Grid )content.Content;
var path = grid.Children.OfType<System.Windows.Shapes.Path>().Single();
path.Name = "Body";
content.Properties.Add( new ItemProperty { ElementName = "Body", ElementProperty = "Fill", DisplayName = "Fill", IsComponentName = false } );
return;
}
}
public static ItemContentTemplate Create( ItemContent template )
{
var blob = template.Save();
return new ItemContentTemplate( blob );
}
