private void UpdateContainerHelper()
{
// Keep a backup of the template element and initialize the
// new helper with it.
ItemsControl childrenItemsControl = null;
if (_containerHelper != null)
{
childrenItemsControl = _containerHelper.ChildrenItemsControl;
_containerHelper.ClearHelper();
if (_containerHelper is ObjectContainerHelperBase)
{
// If the actual AdvancedOptionMenu is the default menu for selected object,
// remove it. Otherwise, it is a custom menu provided by the user.
// This "default" menu is only valid for the SelectedObject[s] case. Otherwise,
// it is useless and we must remove it.
//var defaultAdvancedMenu = ( ContextMenu )this.FindResource( PropertyGrid.SelectedObjectAdvancedOptionsMenuKey );
//if( this.AdvancedOptionsMenu == defaultAdvancedMenu )
//{
this.AdvancedOptionsMenu = null;
//}
}
}
_containerHelper = new ObjectContainerHelper(this, SelectedObject);
(( ObjectContainerHelper )_containerHelper).GenerateProperties();
_containerHelper.ChildrenItemsControl = childrenItemsControl;
// Since the template will bind on this property and this property
// will be different when the property parent is updated.
this.Notify(this.PropertyChanged, () => this.Properties);
}
internal PropertyItemBase()
{
_containerHelper = new ObjectContainerHelper(this, null);
this.GotFocus += new RoutedEventHandler(PropertyItemBase_GotFocus);
AddHandler(PropertyItemsControl.PreparePropertyItemEvent, new PropertyItemEventHandler(OnPreparePropertyItemInternal));
AddHandler(PropertyItemsControl.ClearPropertyItemEvent, new PropertyItemEventHandler(OnClearPropertyItemInternal));
}
public override void ClearChildrenPropertyItem(PropertyItemBase propertyItem, object item)
{
if (propertyItem.Editor != null &&
ContainerHelperBase.GetIsGenerated(propertyItem.Editor))
{
propertyItem.Editor = null;
}
base.ClearChildrenPropertyItem(propertyItem, item);
}
private void RebuildEditor(PropertyItem propertyItem)
{
ObjectContainerHelperBase objectContainerHelperBase = propertyItem.ContainerHelper as ObjectContainerHelperBase;
//Re-build the editor to update this propertyItem
FrameworkElement editor = objectContainerHelperBase.GenerateChildrenEditorElement(propertyItem);
if (editor != null)
{
// Tag the editor as generated to know if we should clear it.
ContainerHelperBase.SetIsGenerated(editor, true);
propertyItem.Editor = editor;
}
}
public override void PrepareChildrenPropertyItem(PropertyItemBase propertyItem, object item)
{
_isPreparingItemFlag = true;
base.PrepareChildrenPropertyItem(propertyItem, item);
if (propertyItem.Editor == null)
{
FrameworkElement editor = this.GenerateChildrenEditorElement(( PropertyItem )propertyItem);
if (editor != null)
{
// Tag the editor as generated to know if we should clear it.
ContainerHelperBase.SetIsGenerated(editor, true);
propertyItem.Editor = editor;
}
}
_isPreparingItemFlag = false;
}
internal void RebuildEditor()
{
var objectContainerHelperBase = this.ContainerHelper as ObjectContainerHelperBase;
//Re-build the editor to update this propertyItem
var editor = objectContainerHelperBase.GenerateChildrenEditorElement(this);
if (editor != null)
{
// Tag the editor as generated to know if we should clear it.
ContainerHelperBase.SetIsGenerated(editor, true);
this.Editor = editor;
//Update Source of binding and Validation of PropertyItem to update
var be = this.GetBindingExpression(PropertyItem.ValueProperty);
if (be != null)
{
be.UpdateSource();
this.SetRedInvalidBorder(be);
}
}
}
private void UpdateContainerHelper()
{
// Keep a backup of the template element and initialize the
// new helper with it.
ItemsControl childrenItemsControl = null;
if( _containerHelper != null )
{
childrenItemsControl = _containerHelper.ChildrenItemsControl;
_containerHelper.ClearHelper();
if( _containerHelper is ObjectContainerHelperBase )
{
// If the actual AdvancedOptionMenu is the default menu for selected object,
// remove it. Otherwise, it is a custom menu provided by the user.
// This "default" menu is only valid for the SelectedObject[s] case. Otherwise,
// it is useless and we must remove it.
var defaultAdvancedMenu = ( ContextMenu )this.FindResource( PropertyGrid.SelectedObjectAdvancedOptionsMenuKey );
if( this.AdvancedOptionsMenu == defaultAdvancedMenu )
{
this.AdvancedOptionsMenu = null;
}
}
}
_containerHelper = new ObjectContainerHelper( this, SelectedObject );
( ( ObjectContainerHelper )_containerHelper ).GenerateProperties();
_containerHelper.ChildrenItemsControl = childrenItemsControl;
// Since the template will bind on this property and this property
// will be different when the property parent is updated.
this.Notify( this.PropertyChanged, () => this.Properties );
}
