private void delete_item_Click(object sender, RoutedEventArgs e)
{
property_grid_property to_delete_property = ((property_grid_property)((FrameworkElement)sender).DataContext);
int count = to_delete_property.property_owners.Count;
for (int i = 0; i < count; ++i)
{
((IList)to_delete_property.property_owners[i]).RemoveAt(
((property_grid_item_property_descriptor)to_delete_property.descriptors[i]).item_index
);
}
Int32 index = to_delete_property.property_parent.sub_properties.IndexOf(to_delete_property);
var properties = to_delete_property.property_parent.sub_properties;
for (int i = index + 1; i < properties.Count; ++i)
{
foreach (property_grid_item_property_descriptor desc in properties[i].descriptors)
{
desc.decrease_item_index();
}
}
to_delete_property.property_parent.sub_properties.RemoveAt(index);
}
internal void on_sub_property_changed(property_grid_property prop, Object old_value)
{
if (sub_property_value_changed != null)
{
sub_property_value_changed(this, new property_grid_value_changed_event_args(prop, old_value));
}
}
public override bool can_edit(property_grid_property property)
{
if (property.descriptors[0].PropertyType == edited_type)
{
return(true);
}
return(false);
}
public override bool can_edit(property_grid_property property)
{
if (edited_type.IsAssignableFrom(property.descriptors[0].PropertyType))
{
property.is_expandable_item = true;
return(true);
}
return(false);
}
internal ObservableCollection <property_grid_property> get_properties_from_collection_objects(Object[] objects)
{
var properties = new ObservableCollection <property_grid_property>();
Boolean is_first_object = true;
foreach (Object obj in objects)
{
IList collection = (IList)obj;
for (int i = 0; i < collection.Count; ++i)
{
String item_name = "item";
property_grid_property prop;
if (is_first_object)
{
prop = new property_grid_property(this);
properties.Add(prop);
}
else
{
prop = properties[i];
}
if (!is_first_object && prop.descriptors[0].PropertyType != collection[i].GetType())
{
continue;
}
property_grid_item_property_descriptor descriptor = new property_grid_item_property_descriptor(item_name, i, collection);
prop.name = item_name;
prop.descriptors.Add(descriptor);
prop.property_owners.Add(collection);
prop.is_collection_item = true;
prop.default_values.Add(prop.get_property_value(descriptor, obj));
Object old_val = prop.get_property_value(prop.descriptors[0], prop.property_owners[0]);
Object new_val = prop.get_property_value(descriptor, obj);
if ((old_val != null && new_val != null) && !old_val.Equals(new_val))
{
prop.is_multiple_values = true;
}
}
is_first_object = false;
}
return(properties);
}
/// <summary>
/// Describes whether the property be modified by this editor
/// </summary>
/// <param name="node"> Property that need to check </param>
/// <returns> Returns true if node can be modified by this editor, otherwise false </returns>
public override Boolean can_edit(property_grid_property property)
{
foreach (var attribute in property.descriptors[0].Attributes)
{
if (attribute.GetType() == edited_attribute_type)
{
if (converter == null)
{
return(true);
}
return((Boolean)converter.Convert(attribute, typeof(Boolean), null, null));
}
}
return(false);
}
public property_grid_value_changed_event_args(property_grid_property prop, Object old_value)
{
changed_property = prop;
this.old_value = old_value;
}
public virtual Boolean can_edit(property_grid_property property)
{
return(false);
}
internal ObservableCollection <property_grid_property> get_properties_from_class_objects(Object[] objects)
{
var properties = new ObservableCollection <property_grid_property>();
Boolean is_first_object = true;
var properties_set = new Dictionary <String, Int32>();
var new_properties_set = new HashSet <String>();
var to_remove_keys = new List <Int32>();
foreach (Object obj in objects)
{
new_properties_set.Clear();
to_remove_keys.Clear();
var collection = TypeDescriptor.GetProperties(obj);
foreach (PropertyDescriptor descriptor in collection)
{
if (m_browsable_attributes.Count > 0 && !is_match_for_attributes(descriptor))
{
continue;
}
if (!is_first_object && !properties_set.ContainsKey(descriptor.DisplayName))
{
continue;
}
property_grid_property prop;
if (is_first_object)
{
prop = new property_grid_property(this);
properties.Add(prop);
properties_set.Add(descriptor.DisplayName, properties.Count - 1);
}
else
{
prop = properties[properties_set[descriptor.DisplayName]];
}
if (!is_first_object && prop.descriptors[0].PropertyType != descriptor.PropertyType)
{
continue;
}
prop.name = descriptor.DisplayName;
prop.descriptors.Add(descriptor);
prop.property_owners.Add(obj);
prop.default_values.Add(prop.get_property_value(descriptor, obj));
Object old_val = prop.get_property_value(prop.descriptors[0], prop.property_owners[0]);
Object new_val = prop.get_property_value(descriptor, obj);
if ((old_val != null && new_val != null) && !old_val.Equals(new_val))
{
prop.is_multiple_values = true;
}
new_properties_set.Add(descriptor.DisplayName);
}
if (!is_first_object)
{
foreach (var entry in properties_set)
{
if (!new_properties_set.Contains(entry.Key))
{
to_remove_keys.Add(entry.Value);
}
}
for (int i = to_remove_keys.Count - 1; i >= 0; --i)
{
properties_set.Remove(properties[to_remove_keys[i]].name);
properties.RemoveAt(to_remove_keys[i]);
}
}
is_first_object = false;
}
return(properties);
}
