示例#1
0
        /// <summary>
        /// 
        /// </summary>
        /// <param name="context"></param>
        private void InitializeDrop(EditorContext context)
        {
            containerControl.AllowDrop = true;

            containerControl.DragEnter +=
                (s, e) =>
                {
                    if (!e.Data.GetDataPresent(DataFormats.FileDrop)
                        && !e.Data.GetDataPresent(typeof(XGroup))
                        && !e.Data.GetDataPresent(typeof(Record))
                        && !e.Data.GetDataPresent(typeof(ShapeStyle)))
                    {
                        e.Effects = DragDropEffects.None;
                        e.Handled = true;
                    }
                };

            containerControl.Drop +=
                (s, e) =>
                {
                    if (e.Data.GetDataPresent(DataFormats.FileDrop))
                    {
                        try
                        {
                            var files = (string[])e.Data.GetData(DataFormats.FileDrop);
                            if (context.Drop(files))
                            {
                                e.Handled = true;
                            }
                        }
                        catch (Exception ex)
                        {
                            if (context.Editor.Log != null)
                            {
                                context.Editor.Log.LogError("{0}{1}{2}",
                                    ex.Message,
                                    Environment.NewLine,
                                    ex.StackTrace);
                            }
                        }
                    }

                    if (e.Data.GetDataPresent(typeof(XGroup)))
                    {
                        try
                        {
                            var group = e.Data.GetData(typeof(XGroup)) as XGroup;
                            if (group != null)
                            {
                                var p = e.GetPosition(containerControl);
                                context.DropAsClone(group, p.X, p.Y);
                                e.Handled = true;
                            }
                        }
                        catch (Exception ex)
                        {
                            if (context.Editor.Log != null)
                            {
                                context.Editor.Log.LogError("{0}{1}{2}",
                                    ex.Message,
                                    Environment.NewLine,
                                    ex.StackTrace);
                            }
                        }
                    }

                    if (e.Data.GetDataPresent(typeof(Record)))
                    {
                        try
                        {
                            var record = e.Data.GetData(typeof(Record)) as Record;
                            if (record != null)
                            {
                                var p = e.GetPosition(containerControl);
                                context.Drop(record, p.X, p.Y);
                                e.Handled = true;
                            }
                        }
                        catch (Exception ex)
                        {
                            if (context.Editor.Log != null)
                            {
                                context.Editor.Log.LogError("{0}{1}{2}",
                                    ex.Message,
                                    Environment.NewLine,
                                    ex.StackTrace);
                            }
                        }
                    }

                    if (e.Data.GetDataPresent(typeof(ShapeStyle)))
                    {
                        try
                        {
                            var style = e.Data.GetData(typeof(ShapeStyle)) as ShapeStyle;
                            if (style != null)
                            {
                                var p = e.GetPosition(containerControl);
                                context.Drop(style, p.X, p.Y);
                                e.Handled = true;
                            }
                        }
                        catch (Exception ex)
                        {
                            if (context.Editor.Log != null)
                            {
                                context.Editor.Log.LogError("{0}{1}{2}",
                                    ex.Message,
                                    Environment.NewLine,
                                    ex.StackTrace);
                            }
                        }
                    }
                };
        }