private void RotateThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.designerItem = DataContext as ContentControl;
if (this.designerItem != null)
{
//this.canvas = VisualTreeHelper.GetParent(this.designerItem) as Canvas;
this.canvas = WpfTreeHelper.FindUpVisualTree <Canvas>(this.designerItem);
if (this.canvas != null)
{
this.centerPoint = this.designerItem.TranslatePoint(
new Point(this.designerItem.Width * this.designerItem.RenderTransformOrigin.X,
this.designerItem.Height * this.designerItem.RenderTransformOrigin.Y),
this.canvas);
Point startPoint = Mouse.GetPosition(this.canvas);
this.startVector = Point.Subtract(startPoint, this.centerPoint);
this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
if (this.rotateTransform == null)
{
this.designerItem.RenderTransform = new RotateTransform(0);
this.initialAngle = 0;
}
else
{
this.initialAngle = this.rotateTransform.Angle;
}
}
}
}
private List <ScrollViewer> GetMixedGroupScrollViewers()
{
List <ScrollViewer> scrollViewers = new List <ScrollViewer>();
try
{
var items = PatternTwoList.Items;
foreach (var item in items)
{
var grid = PatternTwoList.ItemContainerGenerator.ContainerFromItem(item);
if (grid != null)
{
ScrollViewer scroll = WpfTreeHelper.FindChild <ScrollViewer>(grid);
if (scroll == null)
{
continue;
}
scrollViewers.Add(scroll);
}
}
}
catch (Exception)
{
return(null);
}
return(scrollViewers);
}
private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.designerItem = this.DataContext as ContentControl;
if (this.designerItem != null)
{
//this.canvas = VisualTreeHelper.GetParent(this.designerItem) as Canvas;
this.canvas = WpfTreeHelper.FindUpVisualTree <Canvas>(this.designerItem);
if (this.canvas != null)
{
this.transformOrigin = this.designerItem.RenderTransformOrigin;
//TODO: We need to get ALL render transforms applied by all parents
this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
//rotateTransform = Utils.WpfTreeHelper.GetRotationTree(designerItem) as RotateTransform;
if (this.rotateTransform != null)
{
this.angle = this.rotateTransform.Angle * Math.PI / 180.0;
}
else
{
this.angle = 0.0d;
}
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.canvas);
if (adornerLayer != null)
{
this.adorner = new SizeAdorner(this.designerItem);
adornerLayer.Add(this.adorner);
}
}
}
}
protected override void Invoke(object parameter)
{
if (TargetControl == null || ScrollViewer == null)
{
throw new ArgumentNullException($"{ScrollViewer} or {TargetControl} cannot be null");
}
// 检查指定的控件是否在指定的 ScrollViewer 中
// TODO: 这里只是指定离它最近的 ScrollViewer，并没有继续向上找
var container = WpfTreeHelper.FindParentControl <ScrollViewer>(TargetControl);
if (container == null || container != ScrollViewer)
{
throw new Exception("The TargetControl is not in the target ScrollViewer");
}
// 获取要定位之前 ScrollViewer 目前的滚动位置
var currentScrollPosition = ScrollViewer.VerticalOffset;
var point = new Point(0, currentScrollPosition);
// 计算出目标位置并滚动
var targetPosition = TargetControl.TransformToVisual(ScrollViewer).Transform(point);
ScrollViewer.ScrollToVerticalOffset(targetPosition.Y);
}
/// <summary>
/// ay 2015-05-23 15:34:08 增加,不需要查找子容器
/// </summary>
/// <param name="container"></param>
/// <param name="item"></param>
/// <returns></returns>
public static TreeViewItem GetTreeViewItem2(ItemsControl container, object item)
{
if (container != null)
{
if (container.DataContext == item)
{
return(container as TreeViewItem);
}
// Expand the current container
if (container is TreeViewItem && !((TreeViewItem)container).IsExpanded)
{
container.SetValue(TreeViewItem.IsExpandedProperty, true);
}
// Try to generate the ItemsPresenter and the ItemsPanel.
// by calling ApplyTemplate. Note that in the
// virtualizing case even if the item is marked
// expanded we still need to do this step in order to
// regenerate the visuals because they may have been virtualized away.
container.ApplyTemplate();
ItemsPresenter itemsPresenter =
(ItemsPresenter)container.Template.FindName("ItemsHost", container);
if (itemsPresenter != null)
{
itemsPresenter.ApplyTemplate();
}
else
{
// The Tree template has not named the ItemsPresenter,
// so walk the descendents and find the child.
itemsPresenter = WpfTreeHelper.FindVisualChild <ItemsPresenter>(container);
if (itemsPresenter == null)
{
container.UpdateLayout();
itemsPresenter = WpfTreeHelper.FindVisualChild <ItemsPresenter>(container);
}
}
Panel itemsHostPanel = (Panel)VisualTreeHelper.GetChild(itemsPresenter, 0);
// Ensure that the generator for this panel has been created.
UIElementCollection children = itemsHostPanel.Children;
MyVirtualizingStackPanel virtualizingPanel =
itemsHostPanel as MyVirtualizingStackPanel;
for (int i = 0, count = container.Items.Count; i < count; i++)
{
TreeViewItem subContainer = (TreeViewItem)container.ItemContainerGenerator.ContainerFromIndex(i);
if (subContainer.DataContext == item)
{
subContainer.IsExpanded = false;
return(subContainer as TreeViewItem);
}
}
}
return(null);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
bd = GetTemplateChild("SelectTen") as Border;
ContentPresenter cp = GetTemplateChild("contentPresenter") as ContentPresenter;
_EditContent = GetTemplateChild("contentPresenter1") as ContentPresenter;
if (_column.IsNotNull() && _column.Formatter.IsNotNull())
{
var _b = BindingOperations.GetBinding(cp, ContentPresenter.ContentProperty);
Binding newbind = new Binding {
Converter = _column.Formatter, Path = _b.Path, Mode = _b.Mode, RelativeSource = _b.RelativeSource
};
BindingOperations.ClearBinding(cp, ContentPresenter.ContentProperty);
BindingOperations.SetBinding(cp, ContentPresenter.ContentProperty, newbind);
}
cp.ApplyTemplate();
tb = WpfTreeHelper.FindChild <AyText>(cp);
if (tb.IsNotNull())
{
tb.TextWrapping = CellTextWrapping;
if (CellCharacterEllipsis == TextTrimming.CharacterEllipsis)
{
ToolTip tt = new System.Windows.Controls.ToolTip();
AyText ttb = new AyText();
ttb.SetBinding(AyText.TextProperty, new Binding {
Source = cp.Content
});
tt.Content = ttb;
tb.ToolTip = tt;
if (dpd != null)
{
dpd.AddValueChanged(tb, ActualWidthPropertyChangedHandler);
}
if (tb.ActualWidth < tb.DesiredSize.Width)
{
tt.Visibility = Visibility.Visible;
}
else
{
tt.Visibility = Visibility.Collapsed;
}
}
tb.TextTrimming = CellCharacterEllipsis;
}
}
/// <summary>
/// Initializes a new instance of the AutoScroller class.
/// </summary>
/// <param name="itemsControl">The ItemsControl that is scrolled.</param>
/// <exception cref="ArgumentNullException">itemsControl is null.</exception>
public AutoScroller(ItemsControl itemsControl)
{
if (itemsControl == null)
{
throw new ArgumentNullException("itemsControl");
}
this.itemsControl = itemsControl;
this.scrollViewer = WpfTreeHelper.FindChild <ScrollViewer>(itemsControl);
this.scrollViewer.ScrollChanged += this.OnScrollChanged;
this.scrollContent = WpfTreeHelper.FindChild <ScrollContentPresenter>(this.scrollViewer);
this.autoScroll.Tick += delegate { this.PreformScroll(); };
this.autoScroll.Interval = TimeSpan.FromMilliseconds(GetRepeatRate());
}
private bool Register()
{
this.listBox.UpdateLayout();
this.scrollContent = WpfTreeHelper.FindChild <ScrollContentPresenter>(this.listBox);
if (this.scrollContent != null)
{
this.autoScroller = new AutoScroller(this.listBox);
this.autoScroller.OffsetChanged += this.OnOffsetChanged;
var d = GetSelectionBrush(this.listBox);
this.selectionRect = new AyTableViewSelectionAdorner(this.scrollContent, d);
this.scrollContent.AdornerLayer.Add(this.selectionRect);
this.selector = new AyTableViewItemsControlSelector(this.listBox);
this.listBox.PreviewMouseLeftButtonDown += this.OnPreviewMouseLeftButtonDown;
this.listBox.MouseLeftButtonUp += this.OnMouseLeftButtonUp;
this.listBox.MouseMove += this.OnMouseMove;
}
return(this.scrollContent != null);
}
private void AyTreeViewItemCollapsed(object sender, RoutedEventArgs e)
{
TreeViewItem tvi = e.OriginalSource as TreeViewItem;
//tvi.IsExpanded = false;
if (tvi != null && tvi.Items.Count > 0)
{
itemhost = WpfTreeHelper.GetChildObject <ItemsPresenter>(tvi, "ItemsHost");
// double targetHeight = 0;
////添加动画
foreach (var item in tvi.Items)
{
AyTreeViewItemModel temp = item as AyTreeViewItemModel;
if (temp.RelativeItem != null)
{
temp.ParentCategory.IsExpanded = false;
break;
}
}
if (itemhost != null)
{
itemhost.Visibility = Visibility.Visible;
DoubleAnimationUsingKeyFrames HeightKey = new DoubleAnimationUsingKeyFrames();
HeightKey.Duration = new Duration(TimeSpan.FromMilliseconds(ExpandedTime));
HeightKey.FillBehavior = FillBehavior.Stop;
EasingDoubleKeyFrame HeightKey0 = new EasingDoubleKeyFrame(itemhost.ActualHeight, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0)));
EasingDoubleKeyFrame HeightKey1 = new EasingDoubleKeyFrame(0);
HeightKey1.EasingFunction = easyOut;
HeightKey.KeyFrames.Add(HeightKey0);
HeightKey.KeyFrames.Add(HeightKey1);
HeightKey.Completed += HeightKey_Completed;
itemhost.BeginAnimation(ItemsPresenter.HeightProperty, HeightKey);
}
}
e.Handled = true;
}
private static void ExecuteSetters(AyVisualState item, FrameworkElement w)
{
Window _parentWindow = null;
if (w is Window)
{
_parentWindow = w as Window;
}
else
{
_parentWindow = Window.GetWindow(w);
}
UserControl _parentUserControl = null;
if (w is UserControl)
{
_parentUserControl = w as UserControl;
}
else
{
_parentUserControl = WpfTreeHelper.FindParentControl <UserControl>(w);
}
Page _parentPage = null;
if (w is Page)
{
_parentPage = w as Page;
}
else
{
_parentPage = WpfTreeHelper.FindParentControl <Page>(w);
}
foreach (var setter2 in item.Setters)
{
if (setter2 is DataSetter)
{
var setter = setter2 as DataSetter;
if (setter.TargetName != null)
{
switch (setter.Scope)
{
case DataSetterScope.Current:
var _CurrentFind = w.FindName(setter.TargetName) as UIElement;
if (_CurrentFind != null)
{
_CurrentFind.SetValue(setter.Property, setter.Value);
}
break;
case DataSetterScope.ParentWindow:
if (_parentWindow != null)
{
var _ParentWindowFind = _parentWindow.FindName(setter.TargetName) as UIElement;
if (_ParentWindowFind != null)
{
_ParentWindowFind.SetValue(setter.Property, setter.Value);
}
}
break;
case DataSetterScope.ParentPage:
if (_parentPage != null)
{
var _ParentPageFind = _parentPage.FindName(setter.TargetName) as UIElement;
if (_ParentPageFind != null)
{
_ParentPageFind.SetValue(setter.Property, setter.Value);
}
}
break;
}
}
}
else if (setter2 is ResourceSetter)
{
var setter = setter2 as ResourceSetter;
if (setter.TargetName != null)
{
switch (setter.Scope)
{
case ResourceSetterScope.FindInPageResource:
if (_parentPage != null)
{
var _resources = _parentPage.Resources;
_resources[setter.TargetName] = Convert.ChangeType(setter.ResourceValue, setter.ResourceType);
}
break;
case ResourceSetterScope.FindInApplicationResource:
if (_parentPage != null)
{
var _resources = Application.Current.Resources;
_resources[setter.TargetName] = Convert.ChangeType(setter.ResourceValue, setter.ResourceType);
}
break;
case ResourceSetterScope.FindInWindowResource:
if (_parentPage != null)
{
var _resources = _parentWindow.Resources;
_resources[setter.TargetName] = Convert.ChangeType(setter.ResourceValue, setter.ResourceType);
}
break;
case ResourceSetterScope.FindInUserControlResource:
if (_parentPage != null)
{
var _resources = _parentUserControl.Resources;
_resources[setter.TargetName] = Convert.ChangeType(setter.ResourceValue, setter.ResourceType);
}
break;
}
}
}
}
}
/// <summary>
/// 每个时常都是一样的,暂定200
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AyTreeViewItemExpanded(object sender, RoutedEventArgs e)
{
TreeViewItem tvi = e.OriginalSource as TreeViewItem;
if (tvi != null && tvi.Items.Count > 0)
{
int executeTime = 0;//执行time误差
int durationTime = 300;
double targetHeight = 0;
int expandNode = 0;
//添加动画
foreach (var item in tvi.Items)
{
AyTreeViewItemModel temp = item as AyTreeViewItemModel;
temp.ParentCategory.IsExpanded = true;
if (temp.RelativeItem == null)
{
temp.RelativeItem = TreeViewHelper.GetTreeViewItem2(tvi, temp);
}
expandNode += GetTreeViewItemCount(temp);
if (IsNeedMoveAndOpacity)
{
if (temp.RelativeItem != null)
{
temp.RelativeItem.Opacity = 0;
}
}
}
targetHeight += (TreeViewItemHeight + OtherBorderTreeViewHeight) * expandNode;//计算当前展开的有多少个item
//set itemhost的高度
var itemhost = WpfTreeHelper.GetChildObject <ItemsPresenter>(tvi, "ItemsHost");
if (itemhost != null)
{
itemhost.Visibility = Visibility.Visible;
DoubleAnimationUsingKeyFrames HeightKey = new DoubleAnimationUsingKeyFrames();
HeightKey.FillBehavior = FillBehavior.Stop;
EasingDoubleKeyFrame HeightKey0 = new EasingDoubleKeyFrame(0, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0)));
HeightKey.KeyFrames.Add(HeightKey0);
if (IsNeedMoveAndOpacity)
{
EasingDoubleKeyFrame HeightKey1 = new EasingDoubleKeyFrame(targetHeight, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(ExpandedTime)), easyOut);
HeightKey.KeyFrames.Add(HeightKey1);
}
else
{
EasingDoubleKeyFrame HeightKey1 = new EasingDoubleKeyFrame(targetHeight, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(ExpandedTime)));
HeightKey.KeyFrames.Add(HeightKey1);
}
itemhost.BeginAnimation(ItemsPresenter.HeightProperty, null);
itemhost.BeginAnimation(ItemsPresenter.HeightProperty, HeightKey);
}
if (IsNeedMoveAndOpacity)
{
int index = 0;
int endIndex = tvi.Items.Count;
//添加动画
foreach (var item in tvi.Items)
{
AyTreeViewItemModel temp = item as AyTreeViewItemModel;
if (temp.RelativeItem != null)
{
index++;
DoubleAnimationUsingKeyFrames OpacityKey = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame opacityKey10 = new EasingDoubleKeyFrame(0, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0)));
EasingDoubleKeyFrame opacityKey0 = new EasingDoubleKeyFrame(0, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(executeTime)));
EasingDoubleKeyFrame opacityKey1 = new EasingDoubleKeyFrame(1, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(executeTime + durationTime)));
opacityKey1.EasingFunction = easyIn;
OpacityKey.KeyFrames.Add(opacityKey0);
OpacityKey.KeyFrames.Add(opacityKey1);
ThicknessAnimationUsingKeyFrames MarginKey = new ThicknessAnimationUsingKeyFrames();
var tempThickness = GetTargetThickness(temp.Depth);
MarginKey.KeyFrames.Add(new EasingThicknessKeyFrame(new Thickness(0, 0, 0, 0), KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0))));
MarginKey.KeyFrames.Add(new EasingThicknessKeyFrame(new Thickness(0, 0, 0, 0), KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(executeTime))));
MarginKey.KeyFrames.Add(new EasingThicknessKeyFrame(tempThickness, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(executeTime + durationTime))));
opacityKey1.EasingFunction = easyIn;
temp.RelativeItem.BeginAnimation(TreeViewItem.OpacityProperty, null);
temp.RelativeItem.BeginAnimation(TreeViewItem.OpacityProperty, OpacityKey);
temp.RelativeItem.BeginAnimation(TreeViewItem.PaddingProperty, null);
temp.RelativeItem.BeginAnimation(TreeViewItem.PaddingProperty, MarginKey);
OpacityKey = null;
MarginKey = null;
executeTime += 30;
if (endIndex == index)
{
temp.RelativeItem.BringIntoView();
}
}
}
executeTime = 0;
}
}
e.Handled = true;
}
