public BaseEditor GetEditor(PropertyDescriptor pd, GridRow parentRow)
{
//try to find a custom editor
//TODO: Find a way to provide a IWindowsFormsEditorService so this can work directly
//for now, substitute GTK#-based editors
/*
UITypeEditor UITypeEd = (UITypeEditor) pd.GetEditor(typeof (System.Drawing.Design.UITypeEditor));//first, does it have custom editors?
if (UITypeEd != null)
if (surrogates.Contains(UITypeEd.GetType ()))
return instantiateEditor((Type) surrogates[UITypeEd.GetType()], parentRow);
*/
//does a registered GTK# editor support this natively?
Type editType = pd.PropertyType;
if (editors.Contains (editType))
return instantiateEditor ((Type) editors[editType], parentRow);
//editors that edit derived types
foreach (DictionaryEntry de in inheritingEditors)
if (editType.IsSubclassOf((Type) de.Key))
return instantiateEditor ((Type) de.Value, parentRow);
//special cases
if (editType.IsEnum)
return new EnumEditor (parentRow);
//collections with items of single type that aren't just objects
if(editType.GetInterface ("IList") != null) {
PropertyInfo member = editType.GetProperty ("Item");
if (member != null)
if (member.PropertyType != typeof (object))
return new CollectionEditor (parentRow, member.PropertyType);
}
//TODO: support simple SWF collection editor derivatives that just override Types available
// and reflect protected Type[] NewItemTypes {get;} to get types
//if (UITypeEd is System.ComponentModel.Design.CollectionEditor)
// ((System.ComponentModel.Design.CollectionEditor)UITypeEd).
//can we use a type converter with a built-in editor?
TypeConverter tc = pd.Converter;
//TODO: build this functionality into the grid
if (tc.GetType () == typeof (ExpandableObjectConverter)) {
return new ExpandableObjectEditor (parentRow);
}
//This is a temporary workaround *and* and optimisation
//First, most unknown types will be most likely to convert to/from strings
//Second, System.Web.UI.WebControls/UnitConverter.cs dies on non-strings
if (tc.CanConvertFrom (typeof (string)) && tc.CanConvertTo (typeof(string)))
return new StringEditor (parentRow);
foreach (DictionaryEntry editor in editors)
if (tc.CanConvertFrom((Type) editor.Key) && tc.CanConvertTo((Type) editor.Key))
return instantiateEditor((Type) editor.Value, parentRow);
foreach (DictionaryEntry de in inheritingEditors)
if (tc.CanConvertFrom((Type) de.Key) && tc.CanConvertTo((Type) de.Key))
return instantiateEditor((Type) de.Value, parentRow);
//nothing found - just display type
return new DefaultEditor (parentRow);
}
public EnumEditor(GridRow parentRow)
: base(parentRow)
{
if (!parentRow.PropertyDescriptor.PropertyType.IsEnum)
throw new Exception ("property is not an enum");
}
private BaseEditor instantiateEditor(Type type, GridRow parentRow)
{
ConstructorInfo ctor = type.GetConstructor( new Type[] { typeof (GridRow) });
return (BaseEditor) ctor.Invoke(new object[] { parentRow });
}
public PropertyValueChangedEventArgs(GridRow changedItem, object oldValue, object newValue)
{
this.changedItem = changedItem;
this.oldValue = oldValue;
this.newValue = newValue;
}
public BaseEditor GetEditor(PropertyDescriptor pd, GridRow parentRow)
{
//try to find a custom editor
//TODO: Find a way to provide a IWindowsFormsEditorService so this can work directly
//for now, substitute GTK#-based editors
/*
* UITypeEditor UITypeEd = (UITypeEditor) pd.GetEditor(typeof (System.Drawing.Design.UITypeEditor));//first, does it have custom editors?
* if (UITypeEd != null)
* if (surrogates.Contains(UITypeEd.GetType ()))
* return instantiateEditor((Type) surrogates[UITypeEd.GetType()], parentRow);
*/
//does a registered GTK# editor support this natively?
Type editType = pd.PropertyType;
if (editors.Contains(editType))
{
return(instantiateEditor((Type)editors[editType], parentRow));
}
//editors that edit derived types
foreach (DictionaryEntry de in inheritingEditors)
{
if (editType.IsSubclassOf((Type)de.Key))
{
return(instantiateEditor((Type)de.Value, parentRow));
}
}
//special cases
if (editType.IsEnum)
{
return(new EnumEditor(parentRow));
}
//collections with items of single type that aren't just objects
if (editType.GetInterface("IList") != null)
{
PropertyInfo member = editType.GetProperty("Item");
if (member != null)
{
if (member.PropertyType != typeof(object))
{
return(new CollectionEditor(parentRow, member.PropertyType));
}
}
}
//TODO: support simple SWF collection editor derivatives that just override Types available
// and reflect protected Type[] NewItemTypes {get;} to get types
//if (UITypeEd is System.ComponentModel.Design.CollectionEditor)
// ((System.ComponentModel.Design.CollectionEditor)UITypeEd).
//can we use a type converter with a built-in editor?
TypeConverter tc = pd.Converter;
//TODO: build this functionality into the grid
if (tc.GetType() == typeof(ExpandableObjectConverter))
{
return(new ExpandableObjectEditor(parentRow));
}
//This is a temporary workaround *and* and optimisation
//First, most unknown types will be most likely to convert to/from strings
//Second, System.Web.UI.WebControls/UnitConverter.cs dies on non-strings
if (tc.CanConvertFrom(typeof(string)) && tc.CanConvertTo(typeof(string)))
{
return(new StringEditor(parentRow));
}
foreach (DictionaryEntry editor in editors)
{
if (tc.CanConvertFrom((Type)editor.Key) && tc.CanConvertTo((Type)editor.Key))
{
return(instantiateEditor((Type)editor.Value, parentRow));
}
}
foreach (DictionaryEntry de in inheritingEditors)
{
if (tc.CanConvertFrom((Type)de.Key) && tc.CanConvertTo((Type)de.Key))
{
return(instantiateEditor((Type)de.Value, parentRow));
}
}
//nothing found - just display type
return(new DefaultEditor(parentRow));
}
private BaseEditor instantiateEditor(Type type, GridRow parentRow)
{
ConstructorInfo ctor = type.GetConstructor(new Type[] { typeof(GridRow) });
return((BaseEditor)ctor.Invoke(new object[] { parentRow }));
}
private Table BuildTable(ArrayList arr)
{
//create new table
Table table = new Table (Convert.ToUInt32 (arr.Count), 2, false);
table.ColumnSpacing = 1;
table.RowSpacing = 1;
table.BorderWidth = 0;
UInt32 currentRow = 0;
for (int i = 0; i < arr.Count; i++) {
PropertyDescriptor pd = (PropertyDescriptor) arr[i];
//create item
//TODO: expand children of expandable objects with no editor. Use ExpandableObjectConverter?
GridRow newRow = new GridRow (this, pd);
if (newRow.IsValidProperty) {
table.Attach (newRow.LabelWidget, 0, 1, currentRow, currentRow + 1, AttachOptions.Fill, AttachOptions.Fill, 0, 0);
table.Attach (newRow.ValueWidget, 1, 2, currentRow, currentRow + 1, AttachOptions.Expand | AttachOptions.Fill, AttachOptions.Fill, 0, 0);
currentRow += 1;
Rows.Add (newRow);
if (newRow.PropertyDescriptor == SelectedTab.GetDefaultProperty (this.CurrentObject))
this.SelectedRow = newRow;
}
}
return table;
}
public void OnPropertyValueChanged(GridRow changedItem, object oldValue, object newValue)
{
if (PropertyValueChanged != null)
PropertyValueChanged (this, new PropertyValueChangedEventArgs (changedItem, oldValue, newValue));
}
