Files
WPFToolkit/Src/Xceed.Wpf.AvalonDock/Controls/AnchorablePaneTabPanel.cs
2024-02-23 07:03:56 -05:00

108 lines
3.8 KiB
C#

/*************************************************************************************
Extended WPF Toolkit
Copyright (C) 2007-2013 Xceed Software Inc.
This program is provided to you under the terms of the Microsoft Public
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
For more features, controls, and fast professional support,
pick up the Plus Edition at http://xceed.com/wpf_toolkit
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
***********************************************************************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls;
using System.Windows;
using Xceed.Wpf.AvalonDock.Layout;
namespace Xceed.Wpf.AvalonDock.Controls
{
public class AnchorablePaneTabPanel : Panel
{
public AnchorablePaneTabPanel()
{
FlowDirection = System.Windows.FlowDirection.LeftToRight;
}
protected override Size MeasureOverride(Size availableSize)
{
double totWidth = 0;
double maxHeight = 0;
var visibleChildren = Children.Cast<UIElement>().Where(ch => ch.Visibility != System.Windows.Visibility.Collapsed);
foreach (FrameworkElement child in visibleChildren)
{
child.Measure(new Size(double.PositiveInfinity, availableSize.Height));
totWidth += child.DesiredSize.Width;
maxHeight = Math.Max(maxHeight, child.DesiredSize.Height);
}
if (totWidth > availableSize.Width)
{
double childFinalDesideredWidth = availableSize.Width / visibleChildren.Count();
foreach (FrameworkElement child in visibleChildren)
{
child.Measure(new Size(childFinalDesideredWidth, availableSize.Height));
}
}
return new Size(Math.Min(availableSize.Width, totWidth), maxHeight);
}
protected override Size ArrangeOverride(Size finalSize)
{
var visibleChildren = Children.Cast<UIElement>().Where(ch => ch.Visibility != System.Windows.Visibility.Collapsed);
double finalWidth = finalSize.Width;
double desideredWidth = visibleChildren.Sum(ch => ch.DesiredSize.Width);
double offsetX = 0.0;
if (finalWidth > desideredWidth)
{
foreach (FrameworkElement child in visibleChildren)
{
double childFinalWidth = child.DesiredSize.Width ;
child.Arrange(new Rect(offsetX, 0, childFinalWidth, finalSize.Height));
offsetX += childFinalWidth;
}
}
else
{
double childFinalWidth = finalWidth / visibleChildren.Count();
foreach (FrameworkElement child in visibleChildren)
{
child.Arrange(new Rect(offsetX, 0, childFinalWidth, finalSize.Height));
offsetX += childFinalWidth;
}
}
return finalSize;
}
protected override void OnMouseLeave(System.Windows.Input.MouseEventArgs e)
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed &&
LayoutAnchorableTabItem.IsDraggingItem())
{
var contentModel = LayoutAnchorableTabItem.GetDraggingItem().Model as LayoutAnchorable;
var manager = contentModel.Root.Manager;
LayoutAnchorableTabItem.ResetDraggingItem();
manager.StartDraggingFloatingWindowForContent(contentModel);
}
base.OnMouseLeave(e);
}
}
}