/// <summary>
/// This is the only method that does more than just calling the delegate functions
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider,
object value)
{
if (delegateEditor == null)
{
return(value);
}
object retval;
//tricky: Avoid passing VALUE_UNDEFINED to the delegateEditor (can lead to exception)
// => map to null, if null is returned, we know that we canceled the editor
// if OTOH, NULL_VALUE_SELECTED is set, we know that the button has been clicked.
//this is really evil, but since we cannot override delegateEditor's EditValue
//in a generic way, we use this work around
//todo: find a better solution!
//todo: control this via editor attribute
if (value == OptionItem.VALUE_UNDEFINED)
{
retval = delegateEditor.EditValue(context, provider, null);
if (retval == null)
{
//editing has been canceled
retval = OptionItem.VALUE_UNDEFINED;
}
}
else
{
retval = delegateEditor.EditValue(context, provider, value);
}
return(retval);
}
public void DefaultValues()
{
Assert.AreSame(graphics, editor.EditValue(null, graphics), "EditValue(2)");
Assert.AreSame(graphics, editor.EditValue(null, null, graphics), "EditValue(3)");
Assert.AreEqual(UITypeEditorEditStyle.None, editor.GetEditStyle(), "GetEditStyle()");
Assert.AreEqual(UITypeEditorEditStyle.None, editor.GetEditStyle(null), "GetEditStyle(null)");
Assert.IsFalse(editor.GetPaintValueSupported(), "GetPaintValueSupported()");
Assert.IsFalse(editor.GetPaintValueSupported(null), "GetPaintValueSupported(null)");
Assert.IsFalse(editor.IsDropDownResizable, "IsDropDownResizable");
}
protected override void OnDoubleClick(EventArgs e)
{
if (uieditor != null)
{
Value = uieditor.EditValue(this, Value);
}
else
{
editor.Visible = true;
editor.Focus();
}
Invalidate();
base.OnDoubleClick(e);
}
//===========================================================================
#region ** private members
private void DoDropDown()
{
// fire event as usual
base.OnDropDown(EventArgs.Empty);
// if this is a popup, hide editing area
if (_editor.GetEditStyle() == UITypeEditorEditStyle.Modal)
{
Bounds = Rectangle.Empty;
}
// show editor and get the new value
_dropped = true;
_value = _editor.EditValue((IServiceProvider)this, _value);
// force the drop down to close
DrawMode = DrawMode.Normal;
DrawMode = DrawMode.OwnerDrawFixed;
if (!IsDisposed)
{
DroppedDown = false;
}
Capture = false;
// fire OnLeave so grid knows we're done
base.OnLeave(EventArgs.Empty);
}
/// <include file='doc\ImageCollectionEditor.uex' path='docs/doc[@for="ImageCollectionEditor.CreateInstance"]/*' />
/// <devdoc>
/// <para>Creates an instance of the specified type in the collection.</para>
/// </devdoc>
protected override object CreateInstance(Type type)
{
UITypeEditor editor = (UITypeEditor)TypeDescriptor.GetEditor(typeof(Image), typeof(UITypeEditor));
Image image = (Image)editor.EditValue(this.Context, null);
return(image);
}
/// <summary>
/// Invokes the editor for the items of the designed ImageListView.
/// </summary>
public void EditItems()
{
// IComponentChangeService is used to pass change notifications to the designer
IComponentChangeService ccs = (IComponentChangeService)GetService(typeof(IComponentChangeService));
// Get the collection editor
itemProperty = GetPropertyByName("Items");
UITypeEditor editor = (UITypeEditor)itemProperty.GetEditor(typeof(UITypeEditor));
object value = imageListView.Items;
// Notify the designers of the change
if (ccs != null)
{
ccs.OnComponentChanging(imageListView, itemProperty);
}
// Edit the value
value = editor.EditValue(this, this, value);
imageListView.Items = (ImageListView.ImageListViewItemCollection)value;
// Notify the designers of the change
if (ccs != null)
{
ccs.OnComponentChanged(imageListView, itemProperty, null, null);
}
designerService.Refresh(Component);
}
public static object EditValue(ComponentDesigner designer, object objectToChange, string propName)
{
// Get PropertyDescriptor
PropertyDescriptor descriptor = TypeDescriptor.GetProperties(objectToChange)[propName];
// Create a Context
EditorServiceContext context = new EditorServiceContext(designer, descriptor);
// Get Editor
UITypeEditor editor = descriptor.GetEditor(typeof(UITypeEditor)) as UITypeEditor;
// Get value to edit
object value = descriptor.GetValue(objectToChange);
// Edit value
object newValue = editor.EditValue(context, context, value);
if (newValue != value)
{
try
{
descriptor.SetValue(objectToChange, newValue);
}
catch (CheckoutException)
{
}
}
return(newValue);
}
protected override void OnMouseClick(DataGridViewCellMouseEventArgs e)
{
Point cellLocation = DataGridView.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, false).Location;
cellLocation.Offset(e.Location);
if (buttonBounds.Contains(cellLocation))
{
UITypeEditor editor = OwningDesignerColumn.GetBoundPropertyEditor();
if (editor != null && editor.GetEditStyle() == UITypeEditorEditStyle.Modal)
{
ITypeDescriptorContext context = new TypeDescriptorContext(DataGridView.Site, OwningDesignerColumn.GetBoundProperty(), this);
object value = GetValue(e.RowIndex);
value = editor.EditValue(context, DataGridView.Site, value);
SetValue(e.RowIndex, value);
}
// Notify the grid the cell was modified
DataGridView.NotifyCurrentCellDirty(true);
DataGridView.NotifyCurrentCellDirty(false);
}
else
{
base.OnMouseClick(e);
}
}
/// <summary>
/// 编辑数据
/// </summary>
/// <param name="context">参数</param>
/// <param name="provider">参数</param>
/// <param name="value">旧数据</param>
/// <returns>编辑后的新数据</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (editor != null)
{
XColorValue xc = value as XColorValue;
Color oldColor = xc == null ? Color.Empty : xc.Value;
Color newColor = (Color)editor.EditValue(context, provider, oldColor);
if (oldColor.Equals(newColor) == false)
{
return(new XColorValue(newColor));
}
else
{
return(value);
}
}
else
{
using (ColorDialog dlg = new ColorDialog())
{
XColorValue xc = value as XColorValue;
if (xc != null)
{
dlg.Color = xc.Value;
if (dlg.ShowDialog() == DialogResult.OK)
{
return(new XColorValue(dlg.Color));
}
}
}
}
return(value);
}
/// <summary>
/// </summary>
/// <param name="owner">form owner for the UI Dialog</param>
/// <param name="component">the class instance to edit</param>
/// <param name="propertyName">property name to edit (must have the Editor attribute)</param>
/// <remarks></remarks>
public static void ShowEditor(IWin32Window owner, object component, string propertyName)
{
PropertyDescriptor property = TypeDescriptor.GetProperties(RuntimeHelpers.GetObjectValue(component))[propertyName];
if (property == null)
{
throw new ArgumentException(nameof(propertyName));
}
UITypeEditor editor = (UITypeEditor)property.GetEditor(typeof(UITypeEditor));
if (editor == null)
{
throw new NotImplementedException("Unsupported UIEditor Type");
}
if (!(editor.GetType().IsSubclassOf(typeof(EnhancedCollectionEditor)) | editor.GetType().IsSubclassOf(typeof(CollectionEditor))))
{
throw new NotImplementedException("Unsupported UIEditor Type");
}
RunTimeUIEdTools.RunTimeTypeEdit runTimeTypeEdit = new RunTimeUIEdTools.RunTimeTypeEdit(owner, RuntimeHelpers.GetObjectValue(component), property);
object objectValue1 = RuntimeHelpers.GetObjectValue(property.GetValue(RuntimeHelpers.GetObjectValue(component)));
object objectValue2 = RuntimeHelpers.GetObjectValue(editor.EditValue((ITypeDescriptorContext)runTimeTypeEdit, (IServiceProvider)runTimeTypeEdit, RuntimeHelpers.GetObjectValue(objectValue1)));
if (property.IsReadOnly)
{
return;
}
property.SetValue(RuntimeHelpers.GetObjectValue(component), RuntimeHelpers.GetObjectValue(objectValue2));
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
UITypeEditor editor = (UITypeEditor)context.PropertyDescriptor.GetEditor(typeof(UITypeEditor));
EditorRuntimeServiceProvider serviceProvider = new EditorRuntimeServiceProvider(context);
return(editor.EditValue(serviceProvider, serviceProvider, value));
}
/// <summary>
/// Execute the Editor for the property with the given name
/// </summary>
/// <param name="propertyName">The name for the property to be edited</param>
public void ExecuteUiEditor(string propertyName)
{
GridItem item = getGridItem(propertyName);
if (item == null)
{
// error: Failed to find the property
Console.WriteLine("Failed to find the property in the PropertyGrid:" + propertyName);
throw new Exception("Failed to find the property in the PropertyGrid:" + propertyName);
}
else
{
// set the property as the selected grid item
propertyGrid.SelectedGridItem = item;
// get the selected item and object of the property grid
GridItem selectedItem = propertyGrid.SelectedGridItem;
object selectedObject = SelectedObject;
// get the property in the selected item
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(SelectedObject);
PropertyDescriptor property = properties[propertyName];
// call the editor of the selected item
UITypeEditor editor = (UITypeEditor)selectedItem.PropertyDescriptor.GetEditor(typeof(UITypeEditor));
object newValue = editor.EditValue((ITypeDescriptorContext)selectedItem, (IServiceProvider)selectedItem, selectedItem.Value);
// set the proprty to the new value returned by the editor
property.SetValue(selectedObject, newValue);
}
}
private bool EditRoleGroupsChangeCallback(object context)
{
PropertyDescriptor propDesc = (PropertyDescriptor)context;
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
UITypeEditor editor = (UITypeEditor)propDesc.GetEditor(typeof(UITypeEditor));
return(editor.EditValue(new System.Web.UI.Design.WebControls.TypeDescriptorContext(service, propDesc, base.Component), new WindowsFormsEditorServiceHelper(this), propDesc.GetValue(base.Component)) != null);
}
public void InvokeTemplateDialog()
{
PropertyDescriptor prop = TypeDescriptor.GetProperties(this.Component)["Workbook"];
UITypeEditor editor = prop.GetEditor(typeof(UITypeEditor)) as UITypeEditor;
EditorServiceContext context = new EditorServiceContext(designer, prop);
editor.EditValue(context, prop.GetValue(this.Component));
}
public override object EditValue(ITypeDescriptorContext context,
IServiceProvider provider,
object value)
{
ITypeDescriptorContext wrappedContext = new TypeDescriptorContext(context, actualInstance);
return(uiTypeEditor.EditValue(wrappedContext, provider, value));
}
// Method that is target of a DesignerActionMethodItem.
// It calls the string collection editor.
public void EditNames()
{
PropertyDescriptor itemsPropertyDescriptor = GetPropertyByName("Items");
TypeDescriptionContext context = new TypeDescriptionContext(linkedControl, itemsPropertyDescriptor);
UITypeEditor editor = (UITypeEditor)itemsPropertyDescriptor.GetEditor(typeof(UITypeEditor));
itemsPropertyDescriptor.SetValue(linkedControl, editor.EditValue(context, context, linkedControl.Items));
}
protected override void OnDoubleClick(EventArgs e)
{
base.OnDoubleClick(e);
UITypeEditor imageEditor = (UITypeEditor)TypeDescriptor.GetEditor(typeof(Image), typeof(UITypeEditor));
_serviceContext.SetInstance(this, TypeDescriptor.GetProperties(this)["Image"]);
this.Image = imageEditor.EditValue(_serviceContext, _serviceContext, this.Image) as Image;
}
private void EditVideoMap(VideoMap map)
{
PropertyDescriptor pd = TypeDescriptor.GetProperties(map)["Lines"];
UITypeEditor editor = (UITypeEditor)pd.GetEditor(typeof(UITypeEditor));
RuntimeServiceProvider serviceProvider = new RuntimeServiceProvider();
editor.EditValue(serviceProvider, serviceProvider, map.Lines);
LoadListBox();
}
private void OpenDropDownEditor()
{
if (m_isEditing)
{
return;
}
try
{
m_isEditing = true;
object oldValue, value;
var oldContext = m_context;
// Alan Beckus: save references to all the required objects to perform the transaction.
// Because EditValue(...) enters modal loop using Application.DonEvent()
// consequently selectedObjects, transaction and event m_context itself can change
// before returning from EditValue(...).
// note: previous attempt to solve this issue was to cache selected objects inside
// m_context but it failed to solve the issue because the cache was cleared
// by PropertyView before it can be used.
List <object> selection = new List <object>(m_context.SelectedObjects);
var transactionContext = m_context.TransactionContext;
var descriptor = m_context.Descriptor;
oldValue = m_context.GetValue();
UITypeEditor editor = WinFormsPropertyUtils.GetUITypeEditor(m_descriptor, this);
// Bring up the editor which can cause Bind() to be called, so make sure that we use the
// correct context and selection after this EditValue call.
value = editor.EditValue(this, this, oldValue);
transactionContext.DoTransaction(delegate
{
foreach (object selectedObject in selection)
{
PropertyUtils.SetProperty(selectedObject, descriptor, value);
}
}, string.Format("Edit: {0}".Localize(), descriptor.DisplayName));
// notify that we just changed a value
NotifyPropertyEdit(oldValue, value);
// Refresh text box, paint rect
if (oldContext == m_context)
{
SetTextBoxFromProperty();
EnableTextBox();
}
Invalidate();
}
finally
{
m_isEditing = false;
}
}
public override object EditValue(ITypeDescriptorContext context,
IServiceProvider provider, object value)
{
if (context != null)
{
return(_parentEditor.EditValue(CreateContext(context), provider, value));
}
return(base.EditValue(context, provider, value));
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
UITypeEditor editor = lookUpEditor(context);
if (editor != null)
{
return(editor.EditValue(context, provider, value));
}
return(base.EditValue(context, provider, value));
}
internal static T EditValue <T>(this UITypeEditor editor, T value) where T : class
{
var runtimeServiceProvider = new RuntimeUIServiceProvider();
object obj = editor.EditValue(runtimeServiceProvider, runtimeServiceProvider, value);
if (typeof(T) == typeof(string))
{
return(obj?.ToString() as T);
}
return((T)obj);
}
/// <summary>
/// Invokes the editor for the columns of the designed ImageListView.
/// </summary>
public void EditColumns()
{
// TODO: Column editing cannot be undone in the designer.
property = TypeDescriptor.GetProperties(imageListView)["Columns"];
UITypeEditor editor = (UITypeEditor)property.GetEditor(typeof(UITypeEditor));
object value = imageListView.Columns;// property.GetValue(imageListView);
value = editor.EditValue(this, this, value);
SetProperty("Columns", value);
designerService.Refresh(Component);
}
private void OnEditSharedEditors(object sender, EventArgs e)
{
PropertyDescriptor propdef = TypeDescriptor.GetProperties(Control)["RowTemplateList"];
if (propdef == null)
{
return;
}
UITypeEditor editor = (UITypeEditor)propdef.GetEditor(typeof(UITypeEditor));
RuntimeServiceProvider serviceProvider =
new RuntimeServiceProvider(this.Control, this.Component, propdef);
editor.EditValue(serviceProvider, serviceProvider, propdef.GetValue(this.Control));
}
public static void EditValue(IWin32Window owner, object component, string propertyName)
{
PropertyDescriptor prop = TypeDescriptor.GetProperties(component)[propertyName];
if (prop == null) throw new ArgumentException("propertyName");
UITypeEditor editor = (UITypeEditor)prop.GetEditor(typeof(UITypeEditor));
MyHelper ctx = new MyHelper(owner, component, prop);
if (editor != null && editor.GetEditStyle(ctx) == UITypeEditorEditStyle.Modal)
{
object value = prop.GetValue(component);
value = editor.EditValue(ctx, ctx, value);
if (!prop.IsReadOnly)
{
prop.SetValue(component, value);
}
}
}
private void OpenDropDownEditor()
{
try
{
m_isEditing = true;
PropertyEditorControlContext oldContext = m_context;
object oldValue, value;
try
{
// Certain property editing controls like the FlagsUITypeEditor's private CheckedListBox will
// not lose focus until the user clicks away, and the user's click may change the
// PropertyEditorControlContext's selection, so let's temporarily freeze the selection.
oldContext.CacheSelection();
oldValue = m_context.GetValue();
UITypeEditor editor = WinFormsPropertyUtils.GetUITypeEditor(m_descriptor, this);
// Bring up the editor which can cause Bind() to be called, so make sure that we use the
// correct context and selection after this EditValue call.
value = editor.EditValue(this, this, oldValue);
oldContext.SetValue(value);
}
finally
{
oldContext.ClearCachedSelection();
}
// notify that we just changed a value
NotifyPropertyEdit(oldValue, value);
// Refresh text box, paint rect
if (oldContext == m_context)
{
SetTextBoxFromProperty();
EnableTextBox();
}
Invalidate();
}
finally
{
m_isEditing = false;
}
}
public static object EditValue(ComponentDesigner designer, object objectToChange, string propName)
{
PropertyDescriptor prop = TypeDescriptor.GetProperties(objectToChange)[propName];
EditorServiceContext context = new EditorServiceContext(designer, prop);
UITypeEditor editor = prop.GetEditor(typeof(UITypeEditor)) as UITypeEditor;
object obj2 = prop.GetValue(objectToChange);
object obj3 = editor.EditValue(context, context, obj2);
if (obj3 != obj2)
{
try {
prop.SetValue(objectToChange, obj3);
}
catch (CheckoutException) {
}
}
return(obj3);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
UITypeEditor editor = this.GetActualEditor(context);
TypeConverter converter = this.actualConverter;
if (editor == null || converter == null)
{
return(value);
}
if (currProperty == null)
{
return(value);
}
object convertedValue;
if (value == null || value.GetType() != currProperty.PropertyType)
{
if (currProperty.PropertyType.IsValueType)
{
convertedValue = Activator.CreateInstance(currProperty.PropertyType);
}
else
{
convertedValue = null;
}
}
else
{
convertedValue = converter.ConvertFrom(value);
}
object res = value;
if (editor != null)
{
res = editor.EditValue(provider, convertedValue);
res = converter.ConvertTo(res, typeof(string));
}
return(res);
}
public Image OpenImageCollection()
{
object obj2 = this._propertyDescriptor.GetValue(this._component);
if (this._propertyDescriptor != null)
{
Image image = null;
UITypeEditor editor = this._propertyDescriptor.GetEditor(typeof(UITypeEditor)) as UITypeEditor;
if (editor != null)
{
image = (Image)editor.EditValue(this, this, obj2);
}
if (image != null)
{
return(image);
}
}
return((Image)obj2);
}
/// <summary>
/// Show the dialog
/// </summary>
public override void ShowDialog()
{
try
{
OnDialogOpen(EventArgs.Empty);
if (uiTypeEditor != null)
{
UITypeEditorEditStyle l_Style = uiTypeEditor.GetEditStyle();
if (l_Style == UITypeEditorEditStyle.DropDown ||
l_Style == UITypeEditorEditStyle.Modal)
{
object l_EditObject;
try
{
l_EditObject = Value;
}
catch
{
if (Validator != null)
{
l_EditObject = Validator.DefaultValue;
}
else
{
l_EditObject = null;
}
}
object tmp = uiTypeEditor.EditValue(this, l_EditObject);
Value = tmp;
}
}
OnDialogClosed(EventArgs.Empty);
}
catch (Exception ex)
{
LoggerManager.Log(LogLevels.Error, "Unexpected exception: " + ex.ToString());
MessageBox.Show(ex.Message, Application.ProductName + " build " + Application.ProductVersion,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
