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111 lines
3.8 KiB
111 lines
3.8 KiB
/*************************************************************************************
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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.Linq;
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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 DocumentPaneTabPanel : Panel
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{
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#region Constructors
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public DocumentPaneTabPanel()
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{
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this.FlowDirection = System.Windows.FlowDirection.LeftToRight;
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}
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#endregion
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#region Overrides
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protected override Size MeasureOverride( Size availableSize )
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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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Size desideredSize = new Size();
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foreach( FrameworkElement child in Children )
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{
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child.Measure( new Size( double.PositiveInfinity, double.PositiveInfinity ) );
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desideredSize.Width += child.DesiredSize.Width;
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desideredSize.Height = Math.Max( desideredSize.Height, child.DesiredSize.Height );
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}
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return new Size( Math.Min( desideredSize.Width, availableSize.Width ), desideredSize.Height );
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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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var offset = 0.0;
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var skipAllOthers = false;
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foreach( TabItem doc in visibleChildren )
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{
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var layoutContent = doc.Content as LayoutContent;
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if( skipAllOthers || offset + doc.DesiredSize.Width > finalSize.Width )
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{
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if( layoutContent.IsSelected && !doc.IsVisible )
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{
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var parentContainer = layoutContent.Parent as ILayoutContainer;
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var parentSelector = layoutContent.Parent as ILayoutContentSelector;
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var parentPane = layoutContent.Parent as ILayoutPane;
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int contentIndex = parentSelector.IndexOf( layoutContent );
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if( contentIndex > 0 &&
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parentContainer.ChildrenCount > 1 )
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{
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parentPane.MoveChild( contentIndex, 0 );
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parentSelector.SelectedContentIndex = 0;
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return ArrangeOverride( finalSize );
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}
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}
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doc.Visibility = System.Windows.Visibility.Hidden;
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skipAllOthers = true;
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}
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else
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{
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doc.Visibility = System.Windows.Visibility.Visible;
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doc.Arrange( new Rect( offset, 0.0, doc.DesiredSize.Width, finalSize.Height ) );
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offset += doc.ActualWidth + doc.Margin.Left + doc.Margin.Right;
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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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// LayoutDocumentTabItem.IsDraggingItem())
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//{
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// var contentModel = LayoutDocumentTabItem.GetDraggingItem().Model;
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// var manager = contentModel.Root.Manager;
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// LayoutDocumentTabItem.ResetDraggingItem();
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// System.Diagnostics.Trace.WriteLine("OnMouseLeave()");
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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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#endregion
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}
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}
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