/// <summary>
/// Отправка данных в буфер обмена
/// </summary>
/// <param name="data"></param>
public static void SendToClipboard(ClipboardBufferData data)
{
// копируем в буфер обмена
System.Windows.Forms.IDataObject dataObj = new DataObject();
dataObj.SetData(clipboard_format.Name, false, data);
Clipboard.SetDataObject(dataObj, false);
}
private void TreeViewExplorer_MouseMove(object sender, MouseEventArgs e)
{
TreeViewItem item = TreeViewExtensions.GetNearestContainer(e.OriginalSource as UIElement);
if ((e.LeftButton == MouseButtonState.Pressed) && (item != null))
{
var mousePos = e.GetPosition(null);
var diff = startPoint - mousePos;
if (Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
{
if (selectedItems.Count != 0)
{
List <ProjectElementBase> elements = new List <ProjectElementBase>();
foreach (TreeViewItem i in selectedItems)
{
if (i != null)
{
ProjectElementBase elem = i.Tag as ProjectElementBase;
elements.Add(elem);
}
}
if (ClipboardBufferData.CheckGroupValid(elements) != GroupType.IllegalGroup)
{
var dragData = new DataObject(new ClipboardBufferData(ClipboardOperationType.Cut, elements));
DragDrop.DoDragDrop(TreeViewExplorer, dragData, DragDropEffects.Move | DragDropEffects.None);
}
}
}
}
}
private void Copy_Executed(object sender, ExecutedRoutedEventArgs e)
{
if (selectedItems.Count != 0)
{
List <ProjectElementBase> elements = new List <ProjectElementBase>();
foreach (TreeViewItem i in selectedItems)
{
if (i != null)
{
ProjectElementBase elem = i.Tag as ProjectElementBase;
elements.Add(elem);
}
}
ClipboardBufferData data = new ClipboardBufferData(ClipboardOperationType.Copy, elements);
if (ClipboardBufferData.CanSendToClipboard(data))
{
ClipboardBufferData.SendToClipboard(data);
}
foreach (TreeViewItem i in selectedItems)
{
if (i != null)
{
ProjectElementBase elem = i.Tag as ProjectElementBase;
elem.Copy_Executed(sender, e);
}
}
}
}
private bool CanPaste(ClipboardBufferData data)
{
bool res1 = (data.GroupType == GroupType.ProjectElements);
if (res1 == false)
{
return(false);
}
foreach (ProjectElementBase paste_elem in data.Elements)
{
if (paste_elem is ProjectFolder)
{
foreach (ProjectElementBase child in (paste_elem as ProjectFolder).GetProjectFilesRecursive())
{
if (child.Path == Path)
{
return(false);
}
}
}
}
foreach (ProjectElementBase elem in Childrens)
{
foreach (ProjectElementBase paste_elem in data.Elements)
{
if ((paste_elem.Path.Equals(elem.Path)) || (paste_elem.Path.Equals(Path)))
{
return(false);
}
}
}
return(true);
}
private void Paste(ClipboardBufferData data)
{
if (data.GroupType == GroupType.ProjectElements)
{
try
{
//1. В зависимости от операции - переместить или скопировать элементы физически
if (data.OperationType == ClipboardOperationType.Copy)
{
CopyElementsToCurrentFolder(data);
}
if (data.OperationType == ClipboardOperationType.Cut)
{
MoveElementsToCurrentFolder(data);
}
//2. Добавление элементов в текущую папку(логически)
Project.Compiler.UpdateFileList();
SchematixCore.Core.UpdateExplorerPanel();
}
catch (System.IO.IOException ex)
{
Schematix.Core.Logger.Log.Error("Paste error.", ex);
System.Windows.MessageBox.Show(string.Format("Paste error.\n", ex.Message), "File system error ocurred", System.Windows.MessageBoxButton.OK);
}
}
}
private void TreeViewExplorer_Drop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(ClipboardBufferData)))
{
ClipboardBufferData data = e.Data.GetData(typeof(ClipboardBufferData)) as ClipboardBufferData;
Point currentPosition = e.GetPosition(TreeViewExplorer);
TreeViewItem item = TreeViewExtensions.GetNearestContainer(e.OriginalSource as UIElement);
//Можно ли вставить данные сюда?
if (item == null)
{
return;
}
var elem = item.Tag as ProjectElementBase;
if (elem == null)
{
return;
}
if (elem is IDropable)
{
(elem as IDropable).Drop(data);
}
}
}
private void TreeViewExplorer_DragOver(object sender, DragEventArgs e)
{
try
{
Point currentPosition = e.GetPosition(TreeViewExplorer);
if ((Math.Abs(currentPosition.X - startPoint.X) > SystemParameters.MinimumHorizontalDragDistance) ||
(Math.Abs(currentPosition.Y - startPoint.Y) > SystemParameters.MinimumVerticalDragDistance))
{
// Verify that this is a valid drop and then store the drop target
TreeViewItem item = TreeViewExtensions.GetNearestContainer(e.OriginalSource as UIElement);
//Можно ли вставить данные сюда?
var elem = item.Tag as ProjectElementBase;
ClipboardBufferData data = e.Data.GetData(typeof(ClipboardBufferData)) as ClipboardBufferData;
e.Effects = ((elem is IDropable) && ((elem as IDropable).CanDrop(data))) ? DragDropEffects.Move : DragDropEffects.None;
e.Handled = true;
return;
}
e.Effects = DragDropEffects.None;
e.Handled = true;
return;
}
catch (Exception)
{
}
}
private void Copy_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (selectedItems.Count != 0)
{
List <ProjectElementBase> elements = new List <ProjectElementBase>();
foreach (TreeViewItem i in selectedItems)
{
if (i != null)
{
ProjectElementBase elem = i.Tag as ProjectElementBase;
elements.Add(elem);
}
}
e.CanExecute = (ClipboardBufferData.CheckGroupValid(elements) != GroupType.IllegalGroup);
foreach (TreeViewItem i in selectedItems)
{
if (i != null)
{
ProjectElementBase elem = i.Tag as ProjectElementBase;
elem.Copy_CanExecute(sender, e);
}
}
}
}
public override void Paste_Executed(object sender, ExecutedRoutedEventArgs e)
{
if (ClipboardBufferData.CanGetFromClipboard() == true)
{
ClipboardBufferData data = ClipboardBufferData.GetFromClipboard();
Paste(data);
}
}
/// <summary>
/// Получение данных с буфера обмена
/// </summary>
/// <returns></returns>
public static ClipboardBufferData GetFromClipboard()
{
IDataObject dataObj = Clipboard.GetDataObject();
ClipboardBufferData data = null;
if (dataObj.GetDataPresent(clipboard_format.Name))
{
data = dataObj.GetData(clipboard_format.Name) as ClipboardBufferData;
}
return(data);
}
/// <summary>
/// Можно ли получить данные с буфера обмена
/// </summary>
/// <returns></returns>
public static bool CanGetFromClipboard()
{
IDataObject dataObj = Clipboard.GetDataObject();
bool res = dataObj.GetDataPresent(clipboard_format.Name);
if (res == true)
{
ClipboardBufferData data = dataObj.GetData(clipboard_format.Name) as ClipboardBufferData;
dataObj.SetData(clipboard_format.Name, data);
}
return(res);
}
public override void Paste_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (ClipboardBufferData.CanGetFromClipboard() == true)
{
ClipboardBufferData data = ClipboardBufferData.GetFromClipboard();
ClipboardBufferData.SendToClipboard(data);
bool res = CanPaste(data);
if (res == true)
{
e.CanExecute = true;
}
}
}
private void Paste(ClipboardBufferData data)
{
if (data.GroupType == GroupType.ProjectsAndSolutionsFolder)
{
//1. Удаление элементов (логически)
foreach (ProjectElementBase elem in data.Elements)
{
RemoveElementFromSolution(elem.Path, SchematixCore.Core.Solution);
}
//2. Добавление элементов в текущую папку(логически)
AddElementRange(data.Elements);
}
SchematixCore.Core.UpdateExplorerPanel();
}
/// <summary>
/// Скопировать элементы в текущую папку
/// </summary>
/// <param name="data"></param>
private void CopyElementsToCurrentFolder(ClipboardBufferData data)
{
foreach (ProjectElementBase elem in data.Elements)
{
if (elem is ProjectFolder)
{
FileOperations.DirectoryCopy((elem as ProjectFolder), this);
}
else
{
if (elem is ProjectElement)
{
FileOperations.FileCopy((elem as ProjectElement), this);
}
}
}
}
/// <summary>
/// Переместить элементы в текущую папку
/// </summary>
/// <param name="data"></param>
private void MoveElementsToCurrentFolder(ClipboardBufferData data)
{
foreach (ProjectElementBase elem in data.Elements)
{
RemoveElementFromSolution(elem.Path, SchematixCore.Core.Solution);
if (elem is ProjectFolder)
{
FileOperations.DirectoryMove((elem as ProjectFolder), this);
}
else
{
if (elem is ProjectElement)
{
FileOperations.FileMove((elem as ProjectElement), this);
}
}
}
}
public bool CanDrop(ClipboardBufferData data)
{
return(CanPaste(data));
}
/// <summary>
/// Возможно ли отправить данные в буфер обмена
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static bool CanSendToClipboard(ClipboardBufferData data)
{
return(IsSerializable(data));
}
public void Drop(ClipboardBufferData data)
{
rootFolder.Drop(data);
}
public void Drop(ClipboardBufferData data)
{
Paste(data);
}
public bool CanDrop(ClipboardBufferData data)
{
return(rootFolder.CanDrop(data));
}