/// <inheritdoc />
public async Task ExecuteUserActionAsync()
{
var openPicker = new FileOpenPicker();
openPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
openPicker.FileTypeFilter.Add(".json");
openPicker.ViewMode = PickerViewMode.List;
StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
string jsonString = await FileIO.ReadTextAsync(file);
List <PaintBase> newShapeList = DeserializeJsonSave(jsonString);
// Clear undo, redo and master list
UndoStack.Clear();
RedoStack.Clear();
ShapeList.Clear();
// Add deserialized master list to main page
ShapeList.AddRange(newShapeList);
// Send draw and update list commands to main page
_page.Draw();
_page.UpdateList();
}
}
internal void PastSelected()
{
try
{
List <Shape> copyShapes = (List <Shape>)MyDeSerialize();
ShapeList.AddRange(copyShapes);
}catch (Exception e)
{
}
}
/// <summary>
/// Разгрупиране формите.
/// </summary>
public void UnGroup()
{
for (int i = 0; i < Selection.Count; i++)
{
if (Selection[i] is GroupShape)
{
var ungroupedShapes = (Selection[i] as GroupShape).SubItems;
ShapeList.AddRange(ungroupedShapes);
ShapeList.RemoveAt(ShapeList.IndexOf(Selection[i]));
Selection.AddRange(ungroupedShapes);
Selection.RemoveAt(i);
i -= 1;
}
}
}
/// <inheritdoc />
public Task ExecuteUserActionAsync()
{
if (UndoStack.Count > 0)
{
List <PaintBase> newState = UndoStack.Pop();
RedoStack.Push(ShapeList.DeepCopy());
ShapeList.Clear();
ShapeList.AddRange(newState);
_page.Draw();
_page.UpdateList();
}
return(Task.CompletedTask);
}
public void PasteShape()
{
if (_copiedShape != null)
{
if (_copiedShape is GroupShape gs)
{
var shapes = gs.CopyShapes();
ShapeList.AddRange(shapes);
}
else
{
var newShape = _copiedShape.Copy();
ShapeList.Add(newShape);
Select(newShape);
}
}
}
public void ReGroup()
{
for (int i = 0; i < Selection.Count; i++)
{
if (Selection[i].GetType().Equals(typeof(GroupShapeImpl)))
{
GroupShapeImpl group = (GroupShapeImpl)Selection[i];
ShapeList.AddRange(group.SubItem);
group.SubItem.Clear();
Selection[i] = null;
group = null;
ShapeList.Remove(Selection[i]);
Selection.Remove(Selection[i]);
}
}
GC.Collect();
}
public void UnGroup()
{
for (int i = 0; i < Selection.Count; i++)
{
if (Selection[i].GetType().Equals(typeof(GroupShape)))
{
GroupShape group = (GroupShape)Selection[i];
ShapeList.AddRange(group.SubItems);
group.SubItems.Clear();
ShapeList.Remove(group);
Selection[i] = null;
group = null;
ShapeList.Remove(Selection[i]);
Selection.Remove(Selection[i]);
}
}
Selection = new List <Shape>();
}
/// <inheritdoc />
public Task ExecuteUserActionAsync()
{
if (RedoStack.Count > 0)
{
// Pop prior state from stack
List <PaintBase> newState = RedoStack.Pop();
// Push current state onto the undo stack
UndoStack.Push(ShapeList.DeepCopy());
// Add prior state as current state
ShapeList.Clear();
ShapeList.AddRange(newState);
_page.Draw();
_page.UpdateList();
}
return(Task.CompletedTask);
}
internal void UnGroupSelectedShapes()
{
for (int i = 0; i < Selection.Count; i++)
{
if (Selection[i].GetType().Equals(typeof(GroupShape)))
{
GroupShape gs = (GroupShape)Selection[i];
ShapeList.AddRange(gs.Shapes);
Selection.AddRange(gs.Shapes);
gs.Shapes.Clear();
gs.Rectangle = new RectangleF();
Selection[i] = null;
gs = null;
ShapeList.Remove(Selection[i]);
Selection.Remove(Selection[i]);
}
}
}
internal void PasteSelected()
{
List <Shape> copy = (List <Shape>)MyDeSerialize();
ShapeList.AddRange(copy);
}
