| using System; |
| using System.Collections; |
| using System.Collections.Generic; |
| using System.Collections.ObjectModel; |
|
|
| namespace WeifenLuo.WinFormsUI.Docking |
| { |
| public class DockContentCollection : ReadOnlyCollection<IDockContent> |
| { |
| private static List<IDockContent> _emptyList = new List<IDockContent>(0); |
|
|
| internal DockContentCollection() |
| : base(new List<IDockContent>()) |
| { |
| } |
|
|
| internal DockContentCollection(DockPane pane) |
| : base(_emptyList) |
| { |
| m_dockPane = pane; |
| } |
|
|
| private DockPane m_dockPane = null; |
| private DockPane DockPane |
| { |
| get { return m_dockPane; } |
| } |
|
|
| public new IDockContent this[int index] |
| { |
| get |
| { |
| if (DockPane == null) |
| return Items[index] as IDockContent; |
| else |
| return GetVisibleContent(index); |
| } |
| } |
|
|
| internal int Add(IDockContent content) |
| { |
| #if DEBUG |
| if (DockPane != null) |
| throw new InvalidOperationException(); |
| #endif |
|
|
| if (Contains(content)) |
| return IndexOf(content); |
|
|
| Items.Add(content); |
| return Count - 1; |
| } |
|
|
| internal void AddAt(IDockContent content, int index) |
| { |
| #if DEBUG |
| if (DockPane != null) |
| throw new InvalidOperationException(); |
| #endif |
|
|
| if (index < 0 || index > Items.Count - 1) |
| return; |
|
|
| if (Contains(content)) |
| return; |
|
|
| Items.Insert(index, content); |
| } |
|
|
| public new bool Contains(IDockContent content) |
| { |
| if (DockPane == null) |
| return Items.Contains(content); |
| else |
| return (GetIndexOfVisibleContents(content) != -1); |
| } |
|
|
| public new int Count |
| { |
| get |
| { |
| if (DockPane == null) |
| return base.Count; |
| else |
| return CountOfVisibleContents; |
| } |
| } |
|
|
| public new int IndexOf(IDockContent content) |
| { |
| if (DockPane == null) |
| { |
| if (!Contains(content)) |
| return -1; |
| else |
| return Items.IndexOf(content); |
| } |
| else |
| return GetIndexOfVisibleContents(content); |
| } |
|
|
| internal void Remove(IDockContent content) |
| { |
| if (DockPane != null) |
| throw new InvalidOperationException(); |
|
|
| if (!Contains(content)) |
| return; |
|
|
| Items.Remove(content); |
| } |
|
|
| private int CountOfVisibleContents |
| { |
| get |
| { |
| #if DEBUG |
| if (DockPane == null) |
| throw new InvalidOperationException(); |
| #endif |
|
|
| int count = 0; |
| foreach (IDockContent content in DockPane.Contents) |
| { |
| if (content.DockHandler.DockState == DockPane.DockState) |
| count++; |
| } |
| return count; |
| } |
| } |
|
|
| private IDockContent GetVisibleContent(int index) |
| { |
| #if DEBUG |
| if (DockPane == null) |
| throw new InvalidOperationException(); |
| #endif |
|
|
| int currentIndex = -1; |
| foreach (IDockContent content in DockPane.Contents) |
| { |
| if (content.DockHandler.DockState == DockPane.DockState) |
| currentIndex++; |
|
|
| if (currentIndex == index) |
| return content; |
| } |
| throw (new ArgumentOutOfRangeException()); |
| } |
|
|
| private int GetIndexOfVisibleContents(IDockContent content) |
| { |
| #if DEBUG |
| if (DockPane == null) |
| throw new InvalidOperationException(); |
| #endif |
|
|
| if (content == null) |
| return -1; |
|
|
| int index = -1; |
| foreach (IDockContent c in DockPane.Contents) |
| { |
| if (c.DockHandler.DockState == DockPane.DockState) |
| { |
| index++; |
|
|
| if (c == content) |
| return index; |
| } |
| } |
| return -1; |
| } |
| } |
| } |
|
|
