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