private void _tree_DragDrop(object sender, DragEventArgs e)
{
bool needRebuild = false;
if (e.Data.GetDataPresent(typeof(ExternalCommand)))
{
ExternalCommand command = (ExternalCommand)e.Data.GetData(typeof(ExternalCommand));
if (e.Effect == DragDropEffects.Move)
{
if (_nodeWhereToDrop != null)
{
Command newInstance = command.Clone().Instance;
InsertCommandIntoTree((TreeNodeData)_nodeWhereToDrop.Tag, newInstance);
needRebuild = true;
}
}
}
if (e.Data.GetDataPresent(typeof(TreeNodeData)))
{
TreeNodeData data = (TreeNodeData)e.Data.GetData(typeof(TreeNodeData));
if (e.Effect == DragDropEffects.Move || e.Effect == DragDropEffects.Copy)
{
if (_nodeWhereToDrop != null)
{
Command cmd = data.Command;
if (e.Effect == DragDropEffects.Copy)
{
cmd = data.Command.Copy();
}
ExternalCommand command = new ExternalCommand(cmd);
TreeNodeData dataWhereToDrop = (TreeNodeData)_nodeWhereToDrop.Tag;
if (data.Node.HasNested(dataWhereToDrop.Node))
{
return;
}
bool commandMoved = InsertCommandIntoTree(dataWhereToDrop, command.Instance);
needRebuild = commandMoved;
if (commandMoved && e.Effect == DragDropEffects.Move)
{
data.Node.Remove();
}
}
}
}
if (e.Data.GetDataPresent("FileDrop"))
{
if (e.Effect == DragDropEffects.Move)
{
if (_nodeWhereToDrop != null)
{
string[] fileNames = (string[])e.Data.GetData("FileDrop");
GinMetaData metadata = GinMetaData.GetInstance();
bool applyToAllCommands = false;
ExternalCommand selectedCommand = null;
int lastIndex = -1;
for (int i = 0; i < fileNames.Length; i++)
{
string fileName = fileNames[i];
ExternalCommand[] commands = metadata.GetAssumedCommands(fileName);
if (commands.Length == 0)
{
return;
}
if (commands.Length == 1)
{
InsertCommandIntoTree((TreeNodeData)_nodeWhereToDrop.Tag, commands[0].Instance);
needRebuild = true;
return;
}
if (commands.Length > 1)
{
ChooseDroppedCommandForm form = new ChooseDroppedCommandForm();
form.InitDroppedCommands(commands);
if (form.ShowDialog() == DialogResult.OK)
{
InsertCommandIntoTree((TreeNodeData)_nodeWhereToDrop.Tag, form.SelectedExternalCommand.Instance);
needRebuild = true;
applyToAllCommands = form.ApplyToAllCommands;
if (applyToAllCommands)
{
selectedCommand = form.SelectedExternalCommand;
lastIndex = i;
break;
}
}
}
}
if (applyToAllCommands)
{
for (int i = lastIndex + 1; i < fileNames.Length; i++)
{
string fileName = fileNames[i];
InsertCommandIntoTree((TreeNodeData)_nodeWhereToDrop.Tag, selectedCommand.Instance);
needRebuild = true;
}
}
}
}
}
if (needRebuild)
{
((TreeNodeData)_rootNode.Nodes[0].Tag).Node.Rebuild(true);
}
}
