private void draggableBorder_MyMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
DraggableBorder draggableBorder = sender as DraggableBorder;
Canvas parentCanvas = draggableBorder.Parent as Canvas;
//置顶
Canvas.SetZIndex(draggableBorder, 1);
//捕获鼠标
draggableBorder.CaptureMouse();
this.startPoint = Mouse.GetPosition(draggableBorder);
if (this.canvasBorderList.Contains(draggableBorder))
{
this.canvasBorderList.Remove(draggableBorder);
}
if (parentCanvas.Children.Contains(this.hithLightRectangle))
{
parentCanvas.Children.Remove(this.hithLightRectangle);
}
if (this.hithLightRectangle == null)
{
this.hithLightRectangle = Utils.ControlLayoutHelper.DrawRoundRect(parentCanvas, draggableBorder.RectangleGeometry.Rect);
}
if (!parentCanvas.Children.Contains(this.hithLightRectangle))
{
parentCanvas.Children.Add(this.hithLightRectangle);
}
this.PutHighLightRectangle(parentCanvas, this.hithLightRectangle, draggableBorder.RectangleGeometry.Rect);
}
private void InitDraggableBorder(DraggableBorder draggableBorder, int index)
{
draggableBorder.Index = index;
draggableBorder.MyDragEvent += draggableBorder_MyDragEvent;
draggableBorder.MyMouseLeftButtonDown += draggableBorder_MyMouseLeftButtonDown;
draggableBorder.MyMouseLeftButtonUp += draggableBorder_MyMouseLeftButtonUp;
draggableBorder.MyMouseDownClick += draggableBorder_MyMouseDownClick;
//添加右键菜单
ContextMenu contextMenu = new ContextMenu();
MenuItem deleteMenuItem = new MenuItem();
deleteMenuItem.Header = "删除";
deleteMenuItem.Click += (sender1, e1) =>
{
Canvas parentCanvas = draggableBorder.Parent as Canvas;
if (parentCanvas.Children.Contains(draggableBorder))
{
parentCanvas.Children.Remove(draggableBorder);
if (this.canvasBorderList.Contains(draggableBorder))
{
this.canvasBorderList.Remove(draggableBorder);
}
if (this.boardKeyCodes.ContainsKey(draggableBorder.KeyCode))
{
this.boardKeyCodes.Remove(draggableBorder.KeyCode);
}
}
};
contextMenu.Items.Add(deleteMenuItem);
MenuItem resizeMenuItem = new MenuItem();
resizeMenuItem.Header = "设置大小";
resizeMenuItem.Click += (sender1, e1) =>
{
//设置属性
DragControlHelper.SetIsEditable(draggableBorder, true); //允许编辑
DragControlHelper.SetIsSelectable(draggableBorder, true); //允许选中
DragControlHelper.SetIsAutoResetES(draggableBorder, true); //焦点回到Canvas取消编辑状态
//引发TargetElementChanged事件
this.PreviewCanvas.Focus();
this.UICommon_DragControlHelper.TargetElement = draggableBorder;
draggableBorder.Focus();
};
contextMenu.Items.Add(resizeMenuItem);
draggableBorder.ContextMenu = contextMenu;
Canvas.SetZIndex(draggableBorder, 0);
}
private void InitDraggableBorders(Canvas previewCanvas)
{
this.canvasBorderList = Utils.ControlSearchHelper.GetChildControls <DraggableBorder>(previewCanvas, "");
//初始化预览面板
for (int i = 0; i < this.canvasBorderList.Count; i++)
{
DraggableBorder draggableBorder = this.canvasBorderList[i];
InitDraggableBorder(draggableBorder, i);
}
}
private void ClearDraggableBorders(Canvas parentCanvas)
{
UIElement[] elements = new UIElement[parentCanvas.Children.Count];
parentCanvas.Children.CopyTo(elements, 0);
foreach (var element in elements)
{
DraggableBorder border = element as DraggableBorder;
if (border != null && parentCanvas.Children.Contains(border))
{
parentCanvas.Children.Remove(border);
}
}
}
private void UICommon_DragControlHelper_DragCompleted(object Sender, DragChangedEventArgs e)
{
//System.Console.WriteLine((Sender as DragControlHelper).TargetElement);
DraggableBorder targetObj = (Sender as DragControlHelper).TargetElement as DraggableBorder;
if (targetObj != null && targetObj.Width != targetObj.RectangleGeometry.Rect.Width ||
targetObj.Height != targetObj.RectangleGeometry.Rect.Height)
{
//draggableBorder支持拖动改变大小，修正RectangleGeometry
targetObj.RectangleGeometry = new RectangleGeometry()
{
Rect = new Rect(Canvas.GetLeft(targetObj), Canvas.GetTop(targetObj), targetObj.Width, targetObj.Height)
};
}
}
private void Button_Add_Click(object sender, RoutedEventArgs e)
{
KeyInputDialog dialog = new KeyInputDialog("按键设置", "请按下按键：", -1, "");
dialog.OKButton.Click += (s1, e1) =>
{
if (dialog.KeyCode != -1 && !string.IsNullOrEmpty(dialog.KeyText))
{
if (this.boardKeyCodes.ContainsKey(dialog.KeyCode))
{
DialogTip warningDialog = new DialogTip("警告", "该按键已经设置。");
warningDialog.ShowDialog();
return;
}
Size insertBoardSize = new Size(GRID_SIZE * dialog.WidthGridCount + (dialog.WidthGridCount - 1) * GRID_INTERVAL,
GRID_SIZE * dialog.HeightGridCount + (dialog.HeightGridCount - 1) * GRID_INTERVAL);
Point insertLocation = Utils.ControlLayoutHelper.SearchInsertLocation(this.PreviewCanvas, insertBoardSize, GRID_INTERVAL);
if (insertLocation.X == -1 || insertLocation.Y == -1)
{
DialogTip warningDialog = new DialogTip("警告", "没有合适的位置插入按钮。");
warningDialog.ShowDialog();
return;
}
//绘制Border
Rect borderRect = new Rect(insertLocation.X, insertLocation.Y, insertBoardSize.Width, insertBoardSize.Height);
ButtonDefinition bDef = new ButtonDefinition(dialog.KeyCode, dialog.KeyText, borderRect);
DraggableBorder draggableBorder = Utils.ControlLayoutHelper.DrawBorderOnCanvas(this, this.PreviewCanvas, bDef);
this.InitDraggableBorder(draggableBorder, this.DraggableBorderIndex++);
this.canvasBorderList.Add(draggableBorder);
this.boardKeyCodes.Add(dialog.KeyCode, dialog.KeyText);
}
dialog.Close();
};
dialog.ShowDialog();
}
public void Get_Region_For_Single_Click(Point p)
{
TouchCanvas tc = new TouchCanvas();
DraggableBorder db1 = new DraggableBorder();
DraggableBorder db2 = new DraggableBorder();
DraggableBorder db3 = new DraggableBorder();
InteractiveBorder ib = new InteractiveBorder();
tc.Background = new SolidColorBrush(Colors.WhiteSmoke);
db1.Background = new SolidColorBrush(Colors.SlateBlue);
db2.Background = new SolidColorBrush(Colors.SlateGray);
db3.Background = new SolidColorBrush(Colors.Tomato);
ib.Background = new SolidColorBrush(Colors.Red);
tc.Width = 300;
tc.Height = 200;
db1.Width = 50;
db1.Height = 50;
db2.Width = 50;
db2.Height = 50;
db3.Width = 50;
db3.Height = 50;
ib.Width = 10;
ib.Height = 10;
tc.Children.Add(db1);
tc.Children.Add(db2);
tc.Children.Add(db3);
tc.Children.Add(ib);
Canvas.SetLeft(db1, 25);
Canvas.SetTop(db1, 100);
Canvas.SetLeft(db2, 100);
Canvas.SetTop(db2, 100);
Canvas.SetLeft(db3, 175);
Canvas.SetTop(db3, 100);
Canvas.SetTop(ib, 0);
Canvas.SetRight(ib, 0);
PrimaryCanvas.Children.Add(tc);
Canvas.SetLeft(tc, p.X);
Canvas.SetTop(tc, p.Y);
TouchInputManager.AddTouchContactDownHandler(ib, new TouchContactEventHandler(Kill_Building_Popup));
}
private void PutControl(DraggableBorder draggableBorder)
{
double left = Canvas.GetLeft(draggableBorder);
double top = Canvas.GetTop(draggableBorder);
Storyboard storyboard = new Storyboard();
DoubleAnimation animation = CreateAnimation(left, draggableBorder.RectangleGeometry.Rect.Left, draggableBorder, "(Canvas.Left)");
storyboard.Children.Add(animation);
animation = CreateAnimation(top, draggableBorder.RectangleGeometry.Rect.Top, draggableBorder, "(Canvas.Top)");
storyboard.Children.Add(animation);
storyboard.Completed += (sender1, e1) =>
{
storyboard.Stop();
storyboard = null;
Canvas.SetLeft(draggableBorder, draggableBorder.RectangleGeometry.Rect.Left);
Canvas.SetTop(draggableBorder, draggableBorder.RectangleGeometry.Rect.Top);
//取消置顶
Canvas.SetZIndex(draggableBorder, 0);
};
storyboard.Begin();
}
private void draggableBorder_MyMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
DraggableBorder draggableBorder = sender as DraggableBorder;
Canvas parentCanvas = draggableBorder.Parent as Canvas;
//释放鼠标
draggableBorder.ReleaseMouseCapture();
//取消置顶
//Canvas.SetZIndex(draggableBorder, 0);
this.PutControl(draggableBorder);
if (!this.canvasBorderList.Contains(draggableBorder))
{
this.canvasBorderList.Add(draggableBorder);
}
if (parentCanvas.Children.Contains(this.hithLightRectangle))
{
parentCanvas.Children.Remove(this.hithLightRectangle);
}
this.hithLightRectangle = null;
}
private void draggableBorder_MyDragEvent(object sender, MouseEventArgs e)
{
DraggableBorder draggableBorder = sender as DraggableBorder;
Canvas parentCanvas = draggableBorder.Parent as Canvas;
double borderLeft = draggableBorder.CurrentLocation.X - this.startPoint.X;
double borderTop = draggableBorder.CurrentLocation.Y - this.startPoint.Y;
Canvas.SetLeft(draggableBorder, borderLeft);
Canvas.SetTop(draggableBorder, borderTop);
//计算当前拖动位置应该归属的块
double gridLeft = Canvas.GetLeft(this.hithLightRectangle);
double gridTop = Canvas.GetTop(this.hithLightRectangle);
if ((borderLeft - gridLeft) >= (GRID_SIZE + GRID_INTERVAL))
{
gridLeft += (GRID_SIZE + GRID_INTERVAL);
}
else if ((borderLeft - gridLeft) <= -(GRID_SIZE + GRID_INTERVAL))
{
gridLeft -= (GRID_SIZE + GRID_INTERVAL);
}
if ((borderTop - gridTop) >= (GRID_SIZE + GRID_INTERVAL))
{
gridTop += (GRID_SIZE * 2 + GRID_INTERVAL * 2);
}
else if ((borderTop - gridTop) <= -(GRID_SIZE + GRID_INTERVAL))
{
gridTop -= (GRID_SIZE * 2 + GRID_INTERVAL * 2);
}
Rect gridRect = new Rect(gridLeft, gridTop, draggableBorder.Width, draggableBorder.Height);
this.PutHighLightRectangle(parentCanvas, this.hithLightRectangle, gridRect);
//判断是否允许放置在当前位置，不合法则不显示
bool isAllowHighLight = this.canvasBorderList.All(x => !this.IsBorderOverlap(gridRect, x.RectangleGeometry.Rect)) &&
gridLeft >= 0 && gridLeft + draggableBorder.Width <= this.PreviewCanvas.Width &&
gridTop >= 0 && gridTop + draggableBorder.Height <= this.PreviewCanvas.Height;
if (isAllowHighLight)
{
if (!parentCanvas.Children.Contains(this.hithLightRectangle))
{
parentCanvas.Children.Add(this.hithLightRectangle);
}
draggableBorder.RectangleGeometry = new RectangleGeometry()
{
Rect = gridRect
};
}
else
{
if (parentCanvas.Children.Contains(this.hithLightRectangle))
{
parentCanvas.Children.Remove(this.hithLightRectangle);
}
}
//计算Border中心点位置
Point point = new Point(borderLeft + draggableBorder.Width / 2, borderTop + draggableBorder.Height / 2);
DraggableBorder coverBorder = null;
if (draggableBorder.ParentControl.Equals(this.PreviewCanvas))
{
coverBorder = canvasBorderList.Find(p => p.RectangleGeometry.FillContains(point));
}
if (coverBorder != null && !coverBorder.Equals(draggableBorder))
{
if (draggableBorder.RenderSize == coverBorder.RenderSize)
{
//元素大小相同的情况下可以交换位置，否则不可交换
RectangleGeometry tempRect = coverBorder.RectangleGeometry;
coverBorder.RectangleGeometry = draggableBorder.RectangleGeometry;
draggableBorder.RectangleGeometry = tempRect;
this.PutControl(coverBorder);
}
}
}