private void AnchorPointPanel_MouseEnter(object sender, MouseEventArgs e)
{
DoubleAnimation daV = new DoubleAnimation(0, 1, new Duration(TimeSpan.FromSeconds(1)));
var scrollBar = MyVisualTreeHelper.FindChild <ScrollBar>(this.scrollViewer, "PART_VerticalScrollBar");
scrollBar.BeginAnimation(UIElement.OpacityProperty, daV);
}
private void OverlayElementMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
_isMouseDown = true;
var canvas = MyVisualTreeHelper.GetParent <Canvas>(_draggedDeviceVisual);
_dragStartPoint = e.GetPosition(canvas);
canvas.CaptureMouse();
e.Handled = true;
}
private void DragStarted()
{
_isDragging = true;
var ui = (UIElement)MyVisualTreeHelper.GetParent <ContentPresenter>(_draggedDeviceVisual);
_dragStartLeft = DynamicCanvas.GetLeft(ui);
_dragStartTop = DynamicCanvas.GetTop(ui);
SelectElement(_draggedDeviceVisual);
_overlayElement.IsDragging = true;
}
/// <summary>
/// 为<see cref="FinanceListView"/>中的Controls注册Delegate(Refresh)
/// </summary>
private void AddDelegate()
{
for (int i = 0; i < FinanceListView.Items.Count; i++)
{
var container = FinanceListView.ContainerFromIndex(i);
FinanceItemTemplate item = MyVisualTreeHelper.SearchVisualTree <FinanceItemTemplate>(container);
if (item != null)
{
item.OnSubmitedSuccess += new FinanceItemTemplate.FinanceItemDelegate(Refresh);
}
}
}
/// <summary>
/// 隐藏最右边的线
/// </summary>
private void RemoveRightLine()
{
ListBoxItem item = (ListBoxItem)this.ItemContainerGenerator.ContainerFromIndex(this.Items.Count - 1);
if (item != null)
{
var border = MyVisualTreeHelper.FindChild <Border>(item, "PART_RightLine");
if (border != null)
{
border.Visibility = Visibility.Collapsed;
}
}
}
private void SegmentButton_Loaded(object sender, RoutedEventArgs e)
{
var borderList = MyVisualTreeHelper.FindVisualChildren <Border>(this, "PART_ButtonSpliteLine").ToList();
if (borderList != null)
{
for (int i = 0; i < borderList.Count; i++)
{
//隐藏最后一个分隔线
if (i == this.Items.Count - 1)
{
var border = borderList[i];
border.Visibility = Visibility.Collapsed;
}
}
}
int itemsCount = this.Items.Count;
if (itemsCount > 0)
{
var listboxitem = this.ItemContainerGenerator.ContainerFromIndex(0) as FrameworkElement;
var border = MyVisualTreeHelper.FindChild <Border>(listboxitem, "PART_ItemBorder");
if (border != null)
{
//如果控件只有一项的时候，需要重新设置边框的圆角
if (itemsCount == 1)
{
border.CornerRadius = new CornerRadius(5, 5, 5, 5);
}
else
{
if (this.SelectedIndex == 0)
{
border.CornerRadius = new CornerRadius(5, 0, 0, 5);
}
else if (this.SelectedIndex == itemsCount - 1)
{
border.CornerRadius = new CornerRadius(5, 5, 5, 5);
}
else
{
border.CornerRadius = new CornerRadius(0, 0, 0, 0);
}
}
}
}
}
private void DrawingAreaPreviewMouseMove(object sender, MouseEventArgs e)
{
if (_isMouseDown)
{
var canvas = MyVisualTreeHelper.GetParent <ItemsControl>((FrameworkElement)e.Source);
if ((_isDragging == false) && ((Math.Abs(e.GetPosition(canvas).X - _dragStartPoint.X) > SystemParameters.MinimumHorizontalDragDistance) ||
(Math.Abs(e.GetPosition(canvas).Y - _dragStartPoint.Y) > SystemParameters.MinimumVerticalDragDistance)))
{
DragStarted();
}
if (_isDragging)
{
DragMoved(canvas);
}
}
}
void OnListViewItem_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (e.Handled)
{
return;
}
ListViewItem item = MyVisualTreeHelper.FindParent <ListViewItem>((DependencyObject)e.OriginalSource);
if (item == null)
{
return;
}
if (item.Focusable && !item.IsFocused)
{
item.Focus();
}
}
private void DrawingAreaPreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
var vsender = MyVisualTreeHelper.GetParent(((FrameworkElement)e.OriginalSource), x => x.Focusable, x => x.DataContext is ISelectableElement);
if (vsender.Focusable && !_isDragging)
{
return;
}
if (_isMouseDown)
{
_isMouseDown = false;
}
if (_isDragging)
{
DragFinished(false);
e.Handled = true;
}
Mouse.Capture(null);
}
private void SegmentButton_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
int index = this.SelectedIndex;
var listboxitem = this.ItemContainerGenerator.ContainerFromIndex(index) as FrameworkElement;
var border = MyVisualTreeHelper.FindChild <Border>(listboxitem, "PART_ItemBorder");
if (border != null)
{
if (index == 0)
{
border.CornerRadius = new CornerRadius(5, 0, 0, 5);
}
else if (index == this.Items.Count - 1)
{
border.CornerRadius = new CornerRadius(0, 5, 5, 0);
}
else
{
border.CornerRadius = new CornerRadius(0, 0, 0, 0);
}
}
}
private void DragFinished(bool cancelled)
{
Mouse.Capture(null);
lock (_updaterLock)
{
if (_isDragging)
{
if (cancelled == false)
{
var ui = (UIElement)MyVisualTreeHelper.GetParent <ContentPresenter>(_draggedDeviceVisual);
DynamicCanvas.SetTop(ui, _dragStartTop + _overlayElement.TopOffset);
DynamicCanvas.SetLeft(ui, _dragStartLeft + _overlayElement.LeftOffset);
}
SelectElement(_draggedDeviceVisual);
_overlayElement.IsDragging = false;
}
_isDragging = false;
_isMouseDown = false;
}
}
private void DrawingAreaPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var vsender = MyVisualTreeHelper.GetParent(((FrameworkElement)e.OriginalSource), x => x.Focusable, x => x.DataContext is ISelectableElement);
if (vsender == null)
{
SelectElement(null);
return;
}
if (vsender.Focusable)
{
return;
}
var canvas = MyVisualTreeHelper.GetParent <ItemsControl>((FrameworkElement)e.Source);
_isMouseDown = true;
_dragStartPoint = e.GetPosition(canvas);
_draggedDeviceVisual = vsender;
SelectElement(vsender);
canvas.CaptureMouse();
e.Handled = true;
}
