/// <summary>
/// Given the specified key-Type mapping of required editors, this method
/// will dispose all currently active editors that are no longer needed.
/// </summary>
/// <param name="requiredEditors"></param>
private void DisposeObsoleteEditors(IReadOnlyDictionary <string, Type> requiredEditors)
{
// Gather all property editors for keys we no longer need or that don't match the required type.
List <string> obsoleteParameterEditors = new List <string>();
foreach (var pair in this.parameterEditors)
{
Type requiredType;
if (requiredEditors.TryGetValue(pair.Key, out requiredType))
{
if (pair.Value.EditedType == requiredType)
{
continue;
}
}
obsoleteParameterEditors.Add(pair.Key);
}
// Dispose all previously gathered editors. This is a two-step process,
// because we can't modify a collection while iterating it.
foreach (string key in obsoleteParameterEditors)
{
PropertyEditor editor = this.parameterEditors[key];
this.parameterEditors.Remove(key);
this.RemovePropertyEditor(editor);
editor.Dispose();
}
}
protected void UpdateElementEditors(IList[] values)
{
PropertyInfo indexer = typeof(IList).GetProperty("Item");
int visibleElementCount = values.Where(o => o != null).Min(o => (int)o.Count);
bool showOffset = false;
if (visibleElementCount > 10)
{
this.offset = Math.Min(this.offset, visibleElementCount - 10);
this.offsetEditor.Maximum = visibleElementCount - 10;
visibleElementCount = 10;
showOffset = true;
}
else
{
this.offset = 0;
}
if (this.sizeEditor.ParentEditor == null)
{
this.AddPropertyEditor(this.sizeEditor, 0);
}
if (showOffset && this.offsetEditor.ParentEditor == null)
{
this.AddPropertyEditor(this.offsetEditor, 1);
}
else if (!showOffset && this.offsetEditor.ParentEditor != null)
{
this.RemovePropertyEditor(this.offsetEditor);
}
this.internalEditors = showOffset ? 2 : 1;
this.BeginUpdate();
// Add missing editors
Type elementType = GetIListElementType(this.EditedType);
Type reflectedArrayType = PropertyEditor.ReflectDynamicType(elementType, values.Select(a => GetIListElementType(a.GetType())));
for (int i = this.internalEditors; i < visibleElementCount + this.internalEditors; i++)
{
int elementIndex = i - this.internalEditors + this.offset;
Type reflectedElementType = PropertyEditor.ReflectDynamicType(
reflectedArrayType,
values.Where(v => v != null).Select(v => indexer.GetValue(v, new object[] { elementIndex })));
PropertyEditor elementEditor;
// Retrieve and Update existing editor
if (i < this.Children.Count())
{
elementEditor = this.Children.ElementAt(i);
if (elementEditor.EditedType != reflectedElementType)
{
// If the editor has the wrong type, we'll need to create a new one
PropertyEditor oldEditor = elementEditor;
elementEditor = this.ParentGrid.CreateEditor(reflectedElementType, this);
this.AddPropertyEditor(elementEditor, oldEditor);
this.RemovePropertyEditor(oldEditor);
oldEditor.Dispose();
this.ParentGrid.ConfigureEditor(elementEditor);
}
}
// Create a new editor
else
{
elementEditor = this.ParentGrid.CreateEditor(reflectedElementType, this);
this.AddPropertyEditor(elementEditor);
this.ParentGrid.ConfigureEditor(elementEditor);
}
elementEditor.Getter = this.CreateElementValueGetter(indexer, elementIndex);
elementEditor.Setter = this.CreateElementValueSetter(indexer, elementIndex);
elementEditor.PropertyName = "[" + elementIndex + "]";
}
// Remove overflowing editors
for (int i = this.Children.Count() - (this.internalEditors + 1); i >= visibleElementCount; i--)
{
PropertyEditor child = this.Children.Last();
this.RemovePropertyEditor(child);
}
this.EndUpdate();
}
protected void UpdateElementEditors(IDictionary[] values)
{
PropertyInfo indexer = typeof(IDictionary).GetProperty("Item");
int visibleElementCount = values.Where(o => o != null).Min(o => (int)o.Count);
bool showOffset = false;
if (visibleElementCount > 10)
{
this.offset = Math.Min(this.offset, visibleElementCount - 10);
this.offsetEditor.Maximum = visibleElementCount - 10;
visibleElementCount = 10;
showOffset = true;
}
else
{
this.offset = 0;
}
if (this.addKeyEditor.ParentEditor == null)
{
this.AddPropertyEditor(this.addKeyEditor, 0);
}
if (showOffset && this.offsetEditor.ParentEditor == null)
{
this.AddPropertyEditor(this.offsetEditor, 1);
}
else if (!showOffset && this.offsetEditor.ParentEditor != null)
{
this.RemovePropertyEditor(this.offsetEditor);
}
this.internalEditors = showOffset ? 2 : 1;
// Determine which keys are currently displayed
int elemIndex = 0;
this.displayedKeys = new object[visibleElementCount];
foreach (object key in values.Where(o => o != null).First().Keys)
{
if (elemIndex >= this.offset)
{
this.displayedKeys[elemIndex - this.offset] = key;
}
elemIndex++;
if (elemIndex >= this.offset + visibleElementCount)
{
break;
}
}
this.BeginUpdate();
// Add missing editors
Type dictValueType = GetIDictionaryValueType(this.EditedType);
Type reflectedDictValueType = PropertyEditor.ReflectDynamicType(dictValueType, values.Select(a => GetIDictionaryValueType(a.GetType())));
for (int i = this.internalEditors; i < visibleElementCount + this.internalEditors; i++)
{
object elementKey = this.displayedKeys[i - this.internalEditors];
Type reflectedElementValueType = PropertyEditor.ReflectDynamicType(
reflectedDictValueType,
values.Where(v => v != null).Select(v => indexer.GetValue(v, new object[] { elementKey })));
PropertyEditor elementEditor;
// Retrieve and Update existing editor
if (i < this.Children.Count())
{
elementEditor = this.Children.ElementAt(i);
if (elementEditor.EditedType != reflectedElementValueType)
{
// If the editor has the wrong type, we'll need to create a new one
PropertyEditor oldEditor = elementEditor;
elementEditor = this.ParentGrid.CreateEditor(reflectedElementValueType, this);
this.AddPropertyEditor(elementEditor, oldEditor);
this.RemovePropertyEditor(oldEditor);
oldEditor.Dispose();
this.ParentGrid.ConfigureEditor(elementEditor);
}
}
// Create a new editor
else
{
elementEditor = this.ParentGrid.CreateEditor(reflectedElementValueType, this);
this.AddPropertyEditor(elementEditor);
this.ParentGrid.ConfigureEditor(elementEditor);
if (!elementEditor.Hints.HasFlag(HintFlags.HasButton))
{
elementEditor.Hints |= HintFlags.HasButton | HintFlags.ButtonEnabled;
elementEditor.ButtonPressed += this.elementEditor_ButtonPressed;
}
}
elementEditor.Getter = this.CreateElementValueGetter(indexer, elementKey);
elementEditor.Setter = this.CreateElementValueSetter(indexer, elementKey);
elementEditor.PropertyName = "[" + elementKey.ToString() + "]";
}
// Remove overflowing editors
for (int i = this.Children.Count() - (this.internalEditors + 1); i >= visibleElementCount; i--)
{
PropertyEditor child = this.Children.Last();
this.RemovePropertyEditor(child);
child.ButtonPressed -= this.elementEditor_ButtonPressed;
}
this.EndUpdate();
}