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SourceCode/SharedResources/Panuon.WPF.UI.Internal/Controls/TabControlPanel.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,197 @@ | ||
| using System; | ||
| using System.Data; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using System.Windows.Controls.Primitives; | ||
| using System.Windows.Media.Media3D; | ||
|
|
||
| namespace Panuon.WPF.UI.Internal | ||
| { | ||
| class TabControlPanel | ||
| : Panel | ||
| { | ||
| #region Properties | ||
|
|
||
| #region HeaderPanelAlignment | ||
| public TabControlHeaderPanelAlignment HeaderPanelAlignment | ||
| { | ||
| get { return (TabControlHeaderPanelAlignment)GetValue(HeaderPanelAlignmentProperty); } | ||
| set { SetValue(HeaderPanelAlignmentProperty, value); } | ||
| } | ||
|
|
||
| public static readonly DependencyProperty HeaderPanelAlignmentProperty = | ||
| DependencyProperty.Register("HeaderPanelAlignment", typeof(TabControlHeaderPanelAlignment), typeof(TabControlPanel), new FrameworkPropertyMetadata(TabControlHeaderPanelAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsArrange)); | ||
| #endregion | ||
|
|
||
| #region Orientation | ||
| public Orientation Orientation | ||
| { | ||
| get { return (Orientation)GetValue(OrientationProperty); } | ||
| set { SetValue(OrientationProperty, value); } | ||
| } | ||
|
|
||
| public static readonly DependencyProperty OrientationProperty = | ||
| DependencyProperty.Register("Orientation", typeof(Orientation), typeof(TabControlPanel), new FrameworkPropertyMetadata(Orientation.Vertical, FrameworkPropertyMetadataOptions.AffectsArrange)); | ||
| #endregion | ||
|
|
||
| #endregion | ||
|
|
||
| protected override Size MeasureOverride(Size constraint) | ||
| { | ||
| var width = 0d; | ||
| var height = 0d; | ||
| foreach (FrameworkElement child in Children) | ||
| { | ||
| child.Measure(constraint); | ||
| if (child is ScrollViewer scrollViewer) | ||
| { | ||
| var tabPanel = scrollViewer.Content as TabPanel; | ||
| tabPanel.Measure(constraint); | ||
| switch (Orientation) | ||
| { | ||
| case Orientation.Vertical: | ||
| height += tabPanel.DesiredSize.Height; | ||
| break; | ||
| case Orientation.Horizontal: | ||
| width += tabPanel.DesiredSize.Width; | ||
| break; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| switch (Orientation) | ||
| { | ||
| case Orientation.Vertical: | ||
| height += child.DesiredSize.Height; | ||
| break; | ||
| case Orientation.Horizontal: | ||
| width += child.DesiredSize.Width; | ||
| break; | ||
| } | ||
| } | ||
| switch (Orientation) | ||
| { | ||
| case Orientation.Vertical: | ||
| width = Math.Max(width, child.DesiredSize.Width); | ||
| break; | ||
| case Orientation.Horizontal: | ||
| height = Math.Max(height, child.DesiredSize.Height); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| switch (Orientation) | ||
| { | ||
| case Orientation.Vertical: | ||
| return new Size(width, double.IsInfinity(constraint.Height) | ||
| ? height | ||
| : constraint.Height); | ||
| default: | ||
| return new Size(double.IsInfinity(constraint.Width) | ||
| ? width | ||
| : constraint.Width, height); | ||
| } | ||
| } | ||
|
|
||
| protected override Size ArrangeOverride(Size arrangeSize) | ||
| { | ||
| var ccFront = Children[0]; | ||
| var bdrFront = Children[1]; | ||
| var scrollViewer = (ScrollViewer)Children[2]; | ||
| var bdrEnd = Children[3]; | ||
| var ccEnd = Children[4]; | ||
|
|
||
| switch (Orientation) | ||
| { | ||
| case Orientation.Vertical: | ||
| var contentHeight = (scrollViewer.Content as TabPanel).DesiredSize.Height; | ||
| SetCurrentValue(ContentWidthOrHeightProperty, contentHeight); | ||
|
|
||
| var top = 0d; | ||
| var scrollViewerHeight = Math.Max(0, arrangeSize.Height - ccFront.DesiredSize.Height - ccEnd.DesiredSize.Height); | ||
| if(contentHeight + ccFront.DesiredSize.Height + ccFront.DesiredSize.Height < arrangeSize.Height) | ||
| { | ||
| switch (HeaderPanelAlignment) | ||
| { | ||
| case TabControlHeaderPanelAlignment.Stretch: | ||
| break; | ||
| case TabControlHeaderPanelAlignment.Front: | ||
| scrollViewerHeight = Math.Min(scrollViewerHeight, contentHeight); | ||
| break; | ||
| case TabControlHeaderPanelAlignment.Center: | ||
| scrollViewerHeight = Math.Min(scrollViewerHeight, contentHeight); | ||
| top = (arrangeSize.Height - ccFront.DesiredSize.Height - scrollViewerHeight - ccEnd.DesiredSize.Height) / 2; | ||
| break; | ||
| case TabControlHeaderPanelAlignment.End: | ||
| scrollViewerHeight = Math.Min(scrollViewerHeight, contentHeight); | ||
| top = arrangeSize.Height - ccFront.DesiredSize.Height - scrollViewerHeight - ccEnd.DesiredSize.Height; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| ccFront.Arrange(new Rect(0, top, arrangeSize.Width, ccFront.DesiredSize.Height)); | ||
| bdrFront.Arrange(new Rect(0, top, arrangeSize.Width, ccFront.DesiredSize.Height)); | ||
| top += ccFront.DesiredSize.Height; | ||
|
|
||
| scrollViewer.Height = scrollViewerHeight; | ||
| scrollViewer.Arrange(new Rect(0, top, arrangeSize.Width, scrollViewerHeight)); | ||
|
|
||
| top += scrollViewerHeight; | ||
| bdrEnd.Arrange(new Rect(0, top, arrangeSize.Width, ccEnd.DesiredSize.Height)); | ||
| ccEnd.Arrange(new Rect(0, top, arrangeSize.Width, ccEnd.DesiredSize.Height)); | ||
| break; | ||
| default: | ||
| var contentWidth = (scrollViewer.Content as TabPanel).DesiredSize.Width; | ||
| SetCurrentValue(ContentWidthOrHeightProperty, contentWidth); | ||
|
|
||
| var left = 0d; | ||
| var scrollViewerWidth = Math.Max(0, arrangeSize.Width - ccFront.DesiredSize.Width - ccEnd.DesiredSize.Width); | ||
|
|
||
| if (contentWidth + ccFront.DesiredSize.Width + ccFront.DesiredSize.Width < arrangeSize.Width) | ||
| { | ||
| switch (HeaderPanelAlignment) | ||
| { | ||
| case TabControlHeaderPanelAlignment.Stretch: | ||
| break; | ||
| case TabControlHeaderPanelAlignment.Front: | ||
| scrollViewerWidth = Math.Min(scrollViewerWidth, contentWidth); | ||
| break; | ||
| case TabControlHeaderPanelAlignment.Center: | ||
| scrollViewerWidth = Math.Min(scrollViewerWidth, contentWidth); | ||
| left = (arrangeSize.Width - ccFront.DesiredSize.Width - scrollViewerWidth - ccEnd.DesiredSize.Width) / 2; | ||
| break; | ||
| case TabControlHeaderPanelAlignment.End: | ||
| scrollViewerWidth = Math.Min(scrollViewerWidth, contentWidth); | ||
| left = arrangeSize.Width - ccFront.DesiredSize.Width - scrollViewerWidth - ccEnd.DesiredSize.Width; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| ccFront.Arrange(new Rect(left, 0, ccFront.DesiredSize.Width, arrangeSize.Height)); | ||
| bdrFront.Arrange(new Rect(left, 0, ccFront.DesiredSize.Width, arrangeSize.Height)); | ||
| left += ccFront.DesiredSize.Width; | ||
|
|
||
| scrollViewer.Width = scrollViewerWidth; | ||
| scrollViewer.Arrange(new Rect(left, 0, scrollViewerWidth, arrangeSize.Height)); | ||
|
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| left += scrollViewerWidth; | ||
| bdrEnd.Arrange(new Rect(left, 0, ccEnd.DesiredSize.Width, arrangeSize.Height)); | ||
| ccEnd.Arrange(new Rect(left, 0, ccEnd.DesiredSize.Width, arrangeSize.Height)); | ||
| break; | ||
| } | ||
|
|
||
| return arrangeSize; | ||
| } | ||
|
|
||
| public double ContentWidthOrHeight | ||
| { | ||
| get { return (double)GetValue(ContentWidthOrHeightProperty); } | ||
| set { SetValue(ContentWidthOrHeightProperty, value); } | ||
| } | ||
|
|
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| public static readonly DependencyProperty ContentWidthOrHeightProperty = | ||
| DependencyProperty.Register("ContentWidthOrHeight", typeof(double), typeof(TabControlPanel)); | ||
|
|
||
|
|
||
| } | ||
| } |
26 changes: 26 additions & 0 deletions
26
...dResources/Panuon.WPF.UI.Internal/Converters/TabControlScrollButtonVisibilityConverter.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| using System; | ||
| using System.Globalization; | ||
| using System.Windows; | ||
|
|
||
| namespace Panuon.WPF.UI.Internal.Converters | ||
| { | ||
| class TabControlScrollButtonVisibilityConverter | ||
| : OneWayMultiValueConverterBase | ||
| { | ||
| public override object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) | ||
| { | ||
| var actualWidth = (double)values[0]; | ||
| var containerWidth = (double)values[1]; | ||
| var frontWidth = (double)values[2]; | ||
| var endWidth = (double)values[3]; | ||
| var contentWidth = containerWidth + frontWidth + endWidth; | ||
|
|
||
| if(contentWidth > actualWidth | ||
| && Math.Abs(actualWidth - contentWidth) > 1) | ||
| { | ||
| return Visibility.Visible; | ||
| } | ||
| return Visibility.Collapsed; | ||
| } | ||
| } | ||
| } |
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