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Improve and optimize the codes of active content for floating windows
* Remove the codes of active content in the floating windows * Add a common class LayoutFloatingWindowControlHelper for active/inactive the content when floating window is active or inactive
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172 changes: 172 additions & 0 deletions
172
source/Components/AvalonDock/Controls/LayoutFloatingWindowControlHelper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Windows; | ||
| using System.Windows.Input; | ||
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| using AvalonDock.Layout; | ||
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| namespace AvalonDock.Controls | ||
| { | ||
| internal static class LayoutFloatingWindowControlHelper | ||
| { | ||
| private const string Excp_NotSupportedFloatingWindowType = "Not Supported Floating Window Type: {0}"; | ||
|
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| public static void ActiveTheContentOfSinglePane<T>(T fwc, bool isActive) where T : LayoutFloatingWindowControl | ||
| { | ||
| ILayoutContentSelector selector = null; | ||
| if (fwc is LayoutAnchorableFloatingWindowControl) | ||
| { | ||
| selector = fwc.Model | ||
| .Descendents() | ||
| .OfType<LayoutAnchorablePane>() | ||
| .FirstOrDefault(p => p.ChildrenCount > 0 && p.SelectedContent != null); | ||
| } | ||
| else if (fwc is LayoutDocumentFloatingWindowControl) | ||
| { | ||
| selector = fwc.Model | ||
| .Descendents() | ||
| .OfType<LayoutDocumentPane>() | ||
| .FirstOrDefault(p => p.ChildrenCount > 0 && p.SelectedContent != null); | ||
| } | ||
| else | ||
| { | ||
| throw new NotSupportedException(string.Format(Excp_NotSupportedFloatingWindowType, fwc.GetType())); | ||
| } | ||
|
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||
| if (selector != null) | ||
| { | ||
| selector.SelectedContent.IsActive = isActive; | ||
| } | ||
| else | ||
| { | ||
| // When the floating tool window is mixed with the floating document window | ||
| // and the document pane in the floating document window is dragged out. | ||
|
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| // Only the Tool panes is left in the floating document window. | ||
| // The Children Count is greater than 0 and the Selected Content is null. | ||
|
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| // Then we only need to activate the last active content. | ||
| ActiveTheLastActivedContent(fwc, isActive); | ||
| } | ||
| } | ||
|
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| public static void ActiveTheContentOfMultiPane<T>(T fwc, bool isActive) where T : LayoutFloatingWindowControl | ||
| { | ||
| if (isActive) | ||
| { | ||
| if (fwc is LayoutAnchorableFloatingWindowControl) | ||
| { | ||
| var paneControl = GetLayoutControlByMousePosition<LayoutAnchorablePaneControl>(fwc); | ||
| if (paneControl != null && paneControl.Model is LayoutAnchorablePane pane) | ||
| { | ||
| if (pane.SelectedContent != null) | ||
| pane.SelectedContent.IsActive = true; | ||
| else | ||
| ActiveTheLastActivedContentOfPane(pane); | ||
|
|
||
| return; | ||
| } | ||
| } | ||
| else if (fwc is LayoutDocumentFloatingWindowControl) | ||
| { | ||
| var paneControl = GetLayoutControlByMousePosition<LayoutDocumentPaneControl>(fwc); | ||
| if (paneControl != null && paneControl.Model is LayoutDocumentPane pane) | ||
| { | ||
| if (pane.SelectedContent != null) | ||
| pane.SelectedContent.IsActive = true; | ||
| else | ||
| ActiveTheLastActivedContentOfPane(pane); | ||
|
|
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| return; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| throw new NotSupportedException(string.Format(Excp_NotSupportedFloatingWindowType, fwc.GetType())); | ||
| } | ||
| } | ||
|
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| ActiveTheLastActivedContent(fwc, isActive); | ||
| } | ||
|
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| public static void ActiveTheLastActivedContent(LayoutFloatingWindowControl fwc, bool isActive) | ||
| { | ||
| var items = fwc.Model.Descendents().OfType<LayoutContent>().ToList(); | ||
| var index = IndexOfLastActivedContent(items); | ||
| if (index != -1) | ||
| { | ||
| items[index].IsActive = isActive; | ||
| } | ||
| } | ||
|
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| public static void ActiveTheLastActivedContentOfPane(LayoutAnchorablePane anchorablePane) | ||
| { | ||
| var index = IndexOfLastActivedContent(anchorablePane.Children); | ||
| if (index != -1) | ||
| { | ||
| anchorablePane.SelectedContentIndex = index; | ||
| if (!anchorablePane.SelectedContent.IsActive) | ||
| { | ||
| anchorablePane.SelectedContent.IsActive = true; | ||
| } | ||
| } | ||
| } | ||
|
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| public static void ActiveTheLastActivedContentOfPane(LayoutDocumentPane documentPane) | ||
| { | ||
| var index = IndexOfLastActivedContent(documentPane.Children); | ||
| if (index != -1) | ||
| { | ||
| documentPane.SelectedContentIndex = index; | ||
| if (!documentPane.SelectedContent.IsActive) | ||
| { | ||
| documentPane.SelectedContent.IsActive = true; | ||
| } | ||
| } | ||
| } | ||
|
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| private static T GetLayoutControlByMousePosition<T>(LayoutFloatingWindowControl fwc) where T : FrameworkElement, ILayoutControl | ||
| { | ||
| var mousePosition = fwc.PointToScreenDPI(Mouse.GetPosition(fwc)); | ||
| var rootVisual = ((LayoutFloatingWindowControl.FloatingWindowContentHost)fwc.Content).RootVisual; | ||
|
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| foreach (var areaHost in rootVisual.FindVisualChildren<T>()) | ||
| { | ||
| var rect = areaHost.GetScreenArea(); | ||
| if (rect.Contains(mousePosition)) | ||
| { | ||
| return areaHost; | ||
| } | ||
| } | ||
|
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| return null; | ||
| } | ||
|
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| private static int IndexOfLastActivedContent<T>(IList<T> list) where T : LayoutContent | ||
| { | ||
| if (list.Count > 0) | ||
| { | ||
| var index = 0; | ||
| if (list.Count > 1) | ||
| { | ||
| var tmpTimeStamp = list[0].LastActivationTimeStamp; | ||
| for (var i = 1; i < list.Count; i++) | ||
| { | ||
| var item = list[i]; | ||
| if (item.LastActivationTimeStamp > tmpTimeStamp) | ||
| { | ||
| tmpTimeStamp = item.LastActivationTimeStamp; | ||
| index = i; | ||
| } | ||
| } | ||
| } | ||
|
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| return index; | ||
| } | ||
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| return -1; | ||
| } | ||
| } | ||
| } |