private void GraphView_DragDrop(object sender, DragEventArgs e) { if (e.Data.GetDataPresent("WindowsForms10PersistentObject", false)) { BaseTreeNode sourceNode = e.Data.GetData("WindowsForms10PersistentObject") as BaseTreeNode; if (sourceNode != null) { FunctionTreeNode functionTreeNode = sourceNode as FunctionTreeNode; if (functionTreeNode != null) { AddFunction(functionTreeNode.Item, null); } else { ShortcutTreeNode shortcutTreeNode = sourceNode as ShortcutTreeNode; if (shortcutTreeNode != null) { AddFunction(shortcutTreeNode.Item.GetReference() as Function, null); } } } } }
/// <summary> /// Accepts a drop event /// </summary> /// <param name="sourceNode"></param> public override void AcceptDrop(BaseTreeNode sourceNode) { { if (sourceNode is ShortcutTreeNode) { ShortcutTreeNode shortcut = sourceNode as ShortcutTreeNode; if (shortcut.Item.Dictionary == Item.Dictionary) { Shortcut otherShortcut = (Shortcut)shortcut.Item.Duplicate(); Item.appendShortcuts(otherShortcut); shortcut.Delete(); } } else if (sourceNode is ShortcutFolderTreeNode) { ShortcutFolderTreeNode folder = sourceNode as ShortcutFolderTreeNode; if (folder.Item.Dictionary == Item.Dictionary) { ShortcutFolder otherFolder = (ShortcutFolder)folder.Item.Duplicate(); Item.appendFolders(otherFolder); folder.Delete(); } } else if (sourceNode is RuleTreeNode) { RuleTreeNode rule = sourceNode as RuleTreeNode; if (rule.Item.Dictionary == Item.Dictionary) { Shortcut shortcut = (Shortcut)acceptor.getFactory().createShortcut(); shortcut.CopyFrom(rule.Item); Item.appendShortcuts(shortcut); } } else if (sourceNode is FunctionTreeNode) { FunctionTreeNode function = sourceNode as FunctionTreeNode; if (function.Item.Dictionary == Item.Dictionary) { Shortcut shortcut = (Shortcut)acceptor.getFactory().createShortcut(); shortcut.CopyFrom(function.Item); Item.appendShortcuts(shortcut); } } else if (sourceNode is ProcedureTreeNode) { ProcedureTreeNode procedure = sourceNode as ProcedureTreeNode; if (procedure.Item.Dictionary == Item.Dictionary) { Shortcut shortcut = (Shortcut)acceptor.getFactory().createShortcut(); shortcut.CopyFrom(procedure.Item); Item.appendShortcuts(shortcut); } } else if (sourceNode is VariableTreeNode) { VariableTreeNode variable = sourceNode as VariableTreeNode; if (variable.Item.Dictionary == Item.Dictionary) { Shortcut shortcut = (Shortcut)acceptor.getFactory().createShortcut(); shortcut.CopyFrom(variable.Item); Item.appendShortcuts(shortcut); } } } }