dockpanelpersist.cs

Fireball.CodeEditor is an source code editor control derived from the best compona SyntaxBox Control

				xmlOut.WriteEndElement();
			}
			xmlOut.WriteEndElement();	//	</FloatWindows>
			
			xmlOut.WriteEndElement();

			if (!upstream)
			{
				xmlOut.WriteEndDocument();
				xmlOut.Close();
			}
			else
				xmlOut.Flush();
		}

		public static void LoadFromXml(DockContainer dockPanel, string filename, DeserializeDockContent deserializeContent)
		{
			FileStream fs = new FileStream(filename, FileMode.Open);
			try
			{
				LoadFromXml(dockPanel, fs, deserializeContent);
			}
			finally
			{
				fs.Close();
			}
		}

		public static void LoadFromXml(DockContainer dockPanel, Stream stream, DeserializeDockContent deserializeContent)
		{
			LoadFromXml(dockPanel, stream, deserializeContent, true);
		}

		public static void LoadFromXml(DockContainer dockPanel, Stream stream, DeserializeDockContent deserializeContent, bool closeStream)
		{

			if (dockPanel.Contents.Count != 0)
				throw new InvalidOperationException(ResourceHelper.GetString("DockPanel.LoadFromXml.AlreadyInitialized"));

			EnumConverter dockStateConverter = new EnumConverter(typeof(DockState));
			EnumConverter dockAlignmentConverter = new EnumConverter(typeof(DockAlignment));
			RectangleConverter rectConverter = new RectangleConverter();

			XmlTextReader xmlIn = new XmlTextReader(stream);
			xmlIn.WhitespaceHandling = WhitespaceHandling.None;
			xmlIn.MoveToContent();

			while (!xmlIn.Name.Equals("DockPanel"))
			{
				if (!MoveToNextElement(xmlIn))
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
			}

			string formatVersion = xmlIn.GetAttribute("FormatVersion");
			if (!IsFormatVersionValid(formatVersion))
				throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidFormatVersion"));

			DockPanelStruct dockPanelStruct = new DockPanelStruct();
			dockPanelStruct.DockLeftPortion = Convert.ToDouble(xmlIn.GetAttribute("DockLeftPortion"), CultureInfo.InvariantCulture);
			dockPanelStruct.DockRightPortion = Convert.ToDouble(xmlIn.GetAttribute("DockRightPortion"), CultureInfo.InvariantCulture);
			dockPanelStruct.DockTopPortion = Convert.ToDouble(xmlIn.GetAttribute("DockTopPortion"), CultureInfo.InvariantCulture);
			dockPanelStruct.DockBottomPortion = Convert.ToDouble(xmlIn.GetAttribute("DockBottomPortion"), CultureInfo.InvariantCulture);
			dockPanelStruct.IndexActiveDocumentPane = Convert.ToInt32(xmlIn.GetAttribute("ActiveDocumentPane"));
			dockPanelStruct.IndexActivePane = Convert.ToInt32(xmlIn.GetAttribute("ActivePane"));

			// Load Contents
			MoveToNextElement(xmlIn);
			if (xmlIn.Name != "Contents")
				throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
			int countOfContents = Convert.ToInt32(xmlIn.GetAttribute("Count"));
			ContentStruct[] contents = new ContentStruct[countOfContents];
			MoveToNextElement(xmlIn);
			for (int i=0; i<countOfContents; i++)
			{
				int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
				if (xmlIn.Name != "Content" || id != i)
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));

				contents[i].PersistString = xmlIn.GetAttribute("PersistString");
				contents[i].AutoHidePortion = Convert.ToDouble(xmlIn.GetAttribute("AutoHidePortion"), CultureInfo.InvariantCulture);
				contents[i].IsHidden = Convert.ToBoolean(xmlIn.GetAttribute("IsHidden"));
				contents[i].IsFloat = Convert.ToBoolean(xmlIn.GetAttribute("IsFloat"));
				MoveToNextElement(xmlIn);
			}

			// Load Panes
			if (xmlIn.Name != "Panes")
				throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
			int countOfPanes = Convert.ToInt32(xmlIn.GetAttribute("Count"));
			PaneStruct[] panes = new PaneStruct[countOfPanes];
			MoveToNextElement(xmlIn);
			for (int i=0; i<countOfPanes; i++)
			{
				int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
				if (xmlIn.Name != "Pane" || id != i)
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));

				panes[i].DockState = (DockState)dockStateConverter.ConvertFrom(xmlIn.GetAttribute("DockState"));
				panes[i].IndexActiveContent = Convert.ToInt32(xmlIn.GetAttribute("ActiveContent"));
				panes[i].ZOrderIndex = -1;

				MoveToNextElement(xmlIn);
				if (xmlIn.Name != "Contents")
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
				int countOfPaneContents = Convert.ToInt32(xmlIn.GetAttribute("Count"));
				panes[i].IndexContents = new int[countOfPaneContents];
				MoveToNextElement(xmlIn);
				for (int j=0; j<countOfPaneContents; j++)
				{
					int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
					if (xmlIn.Name != "Content" || id2 != j)
						throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));

					panes[i].IndexContents[j] = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
					MoveToNextElement(xmlIn);
				}
			}

			// Load DockWindows
			if (xmlIn.Name != "DockWindows")
				throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
			int countOfDockWindows = dockPanel.DockWindows.Count;
			DockWindowStruct[] dockWindows = new DockWindowStruct[countOfDockWindows];
			MoveToNextElement(xmlIn);
			for (int i=0; i<countOfDockWindows; i++)
			{
				int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
				if (xmlIn.Name != "DockWindow" || id != i)
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));

				dockWindows[i].DockState = (DockState)dockStateConverter.ConvertFrom(xmlIn.GetAttribute("DockState"));
				dockWindows[i].ZOrderIndex = Convert.ToInt32(xmlIn.GetAttribute("ZOrderIndex"));
				MoveToNextElement(xmlIn);
				if (xmlIn.Name != "DockList")
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
				int countOfDockList = Convert.ToInt32(xmlIn.GetAttribute("Count"));
				dockWindows[i].DockList = new DockListItem[countOfDockList];
				MoveToNextElement(xmlIn);
				for (int j=0; j<countOfDockList; j++)
				{
					int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
					if (xmlIn.Name != "Pane" || id2 != j)
						throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
					dockWindows[i].DockList[j].IndexPane = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
					dockWindows[i].DockList[j].IndexPrevPane = Convert.ToInt32(xmlIn.GetAttribute("PrevPane"));
					dockWindows[i].DockList[j].Alignment = (DockAlignment)dockAlignmentConverter.ConvertFrom(xmlIn.GetAttribute("Alignment"));
					dockWindows[i].DockList[j].Proportion = Convert.ToDouble(xmlIn.GetAttribute("Proportion"), CultureInfo.InvariantCulture);
					MoveToNextElement(xmlIn);
				}
			}

			// Load FloatWindows
			if (xmlIn.Name != "FloatWindows")
				throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
			int countOfFloatWindows = Convert.ToInt32(xmlIn.GetAttribute("Count"));
			FloatWindowStruct[] floatWindows = new FloatWindowStruct[countOfFloatWindows];
			MoveToNextElement(xmlIn);
			for (int i=0; i<countOfFloatWindows; i++)
			{
				int id = Convert.ToInt32(xmlIn.GetAttribute("ID"));
				if (xmlIn.Name != "FloatWindow" || id != i)
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));

				floatWindows[i].Bounds = (Rectangle)rectConverter.ConvertFromInvariantString(xmlIn.GetAttribute("Bounds"));
				floatWindows[i].AllowRedocking = Convert.ToBoolean(xmlIn.GetAttribute("AllowRedocking"));
				floatWindows[i].ZOrderIndex = Convert.ToInt32(xmlIn.GetAttribute("ZOrderIndex"));
				MoveToNextElement(xmlIn);
				if (xmlIn.Name != "DockList")
					throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
				int countOfDockList = Convert.ToInt32(xmlIn.GetAttribute("Count"));
				floatWindows[i].DockList = new DockListItem[countOfDockList];
				MoveToNextElement(xmlIn);
				for (int j=0; j<countOfDockList; j++)
				{
					int id2 = Convert.ToInt32(xmlIn.GetAttribute("ID"));
					if (xmlIn.Name != "Pane" || id2 != j)
						throw new ArgumentException(ResourceHelper.GetString("DockPanel.LoadFromXml.InvalidXmlFormat"));
					floatWindows[i].DockList[j].IndexPane = Convert.ToInt32(xmlIn.GetAttribute("RefID"));
					floatWindows[i].DockList[j].IndexPrevPane = Convert.ToInt32(xmlIn.GetAttribute("PrevPane"));
					floatWindows[i].DockList[j].Alignment = (DockAlignment)dockAlignmentConverter.ConvertFrom(xmlIn.GetAttribute("Alignment"));
					floatWindows[i].DockList[j].Proportion = Convert.ToDouble(xmlIn.GetAttribute("Proportion"), CultureInfo.InvariantCulture);
					MoveToNextElement(xmlIn);
				}
			}

			if (closeStream)
				xmlIn.Close();
					
			dockPanel.DockLeftPortion = dockPanelStruct.DockLeftPortion;
			dockPanel.DockRightPortion = dockPanelStruct.DockRightPortion;
			dockPanel.DockTopPortion = dockPanelStruct.DockTopPortion;
			dockPanel.DockBottomPortion = dockPanelStruct.DockBottomPortion;

			// Set DockWindow ZOrders
			int prevMaxDockWindowZOrder = int.MaxValue;
			for (int i=0; i<dockWindows.Length; i++)
			{
				int maxDockWindowZOrder = -1;
				int index = -1;
				for (int j=0; j<dockWindows.Length; j++)
				{
					if (dockWindows[j].ZOrderIndex > maxDockWindowZOrder && dockWindows[j].ZOrderIndex < prevMaxDockWindowZOrder)
					{
						maxDockWindowZOrder = dockWindows[j].ZOrderIndex;
						index = j;
					}
				}

				dockPanel.DockWindows[dockWindows[index].DockState].BringToFront();
				prevMaxDockWindowZOrder = maxDockWindowZOrder;
			}

			// Create Contents
			for (int i=0; i<contents.Length; i++)
			{
				IDockableWindow content = deserializeContent(contents[i].PersistString);
				if (content == null)
					content = new DummyContent();
				content.DockHandler.DockPanel = dockPanel;
				content.DockHandler.AutoHidePortion = contents[i].AutoHidePortion;
				content.DockHandler.IsHidden = true;
				content.DockHandler.IsFloat = contents[i].IsFloat;
			}

			// Create panes
			for (int i=0; i<panes.Length; i++)
			{
				DockPane pane = null;
				for (int j=0; j<panes[i].IndexContents.Length; j++)
				{
					IDockableWindow content = dockPanel.Contents[panes[i].IndexContents[j]];
					if (j==0)
						pane = dockPanel.DockPaneFactory.CreateDockPane(content, panes[i].DockState, false);
					else if (panes[i].DockState == DockState.Float)
						content.DockHandler.FloatPane = pane;
					else
						content.DockHandler.PanelPane = pane;
				}
			}

			// Assign Panes to DockWindows
			for (int i=0; i<dockWindows.Length; i++)
			{
				for (int j=0; j<dockWindows[i].DockList.Length; j++)
				{
					DockWindow dw = dockPanel.DockWindows[dockWindows[i].DockState];
					int indexPane = dockWindows[i].DockList[j].IndexPane;
					DockPane pane = dockPanel.Panes[indexPane];
					int indexPrevPane = dockWindows[i].DockList[j].IndexPrevPane;
					DockPane prevPane = (indexPrevPane == -1) ? dw.DockList.GetDefaultPrevPane(pane) : dockPanel.Panes[indexPrevPane];
					DockAlignment alignment = dockWindows[i].DockList[j].Alignment;
					double proportion = dockWindows[i].DockList[j].Proportion;
					pane.AddToDockList(dw, prevPane, alignment, proportion);
					if (panes[indexPane].DockState == dw.DockState)
						panes[indexPane].ZOrderIndex = dockWindows[i].ZOrderIndex;
				}
			}

			// Create float windows
			for (int i=0; i<floatWindows.Length; i++)
			{
				FloatWindow fw = null;
				for (int j=0; j<floatWindows[i].DockList.Length; j++)
				{
					int indexPane = floatWindows[i].DockList[j].IndexPane;
					DockPane pane = dockPanel.Panes[indexPane];
					if (j == 0)
						fw = dockPanel.FloatWindowFactory.CreateFloatWindow(dockPanel, pane, floatWindows[i].Bounds);
					else
					{
						int indexPrevPane = floatWindows[i].DockList[j].IndexPrevPane;
						DockPane prevPane = indexPrevPane == -1 ? null : dockPanel.Panes[indexPrevPane];
						DockAlignment alignment = floatWindows[i].DockList[j].Alignment;
						double proportion = floatWindows[i].DockList[j].Proportion;
						pane.AddToDockList(fw, prevPane, alignment, proportion);
						if (panes[indexPane].DockState == fw.DockState)
							panes[indexPane].ZOrderIndex = floatWindows[i].ZOrderIndex;
					}
				}
			}

			// sort IDockContent by its Pane's ZOrder
			int[] sortedContents = null;
			if (contents.Length > 0)
			{
				sortedContents = new int[contents.Length];
				for (int i=0; i<contents.Length; i++)
					sortedContents[i] = i;

				int lastDocument = contents.Length;
				for (int i=0; i<contents.Length - 1; i++)
				{
					for (int j=i+1; j<contents.Length; j++)
					{
						DockPane pane1 = dockPanel.Contents[sortedContents[i]].DockHandler.Pane;
						int ZOrderIndex1 = pane1 == null ? 0 : panes[dockPanel.Panes.IndexOf(pane1)].ZOrderIndex;
						DockPane pane2 = dockPanel.Contents[sortedContents[j]].DockHandler.Pane;
						int ZOrderIndex2 = pane2 == null ? 0 : panes[dockPanel.Panes.IndexOf(pane2)].ZOrderIndex;
						if (ZOrderIndex1 > ZOrderIndex2)
						{
							int temp = sortedContents[i];
							sortedContents[i] = sortedContents[j];
							sortedContents[j] = temp;
						}
					}
				}
			}

			// show non-document IDockContent first to avoid screen flickers
			for (int i=0; i<contents.Length; i++)
			{
				IDockableWindow content = dockPanel.Contents[sortedContents[i]];
				if (content.DockHandler.Pane != null && content.DockHandler.Pane.DockState != DockState.Document)
					content.DockHandler.IsHidden = contents[sortedContents[i]].IsHidden;
			}

			// after all non-document IDockContent, show document IDockContent
			for (int i=0; i<contents.Length; i++)
			{
				IDockableWindow content = dockPanel.Contents[sortedContents[i]];
				if (content.DockHandler.Pane != null && content.DockHandler.Pane.DockState == DockState.Document)
					content.DockHandler.IsHidden = contents[sortedContents[i]].IsHidden;
			}

			for (int i=0; i<panes.Length; i++)
				dockPanel.Panes[i].ActiveContent = panes[i].IndexActiveContent == -1 ? null : dockPanel.Contents[panes[i].IndexActiveContent];

			if (dockPanelStruct.IndexActiveDocumentPane != -1)
				dockPanel.Panes[dockPanelStruct.IndexActiveDocumentPane].Activate();

			if (dockPanelStruct.IndexActivePane != -1)
				dockPanel.Panes[dockPanelStruct.IndexActivePane].Activate();

			for (int i=dockPanel.Contents.Count-1; i>=0; i--)
				if (dockPanel.Contents[i] is DummyContent)
					dockPanel.Contents[i].DockHandler.Form.Close();
		}

		private static bool MoveToNextElement(XmlTextReader xmlIn)
		{
			if (!xmlIn.Read())
				return false;

			while (xmlIn.NodeType == XmlNodeType.EndElement)
			{
				if (!xmlIn.Read())
					return false;
			}

			return true;
		}

		private static bool IsFormatVersionValid(string formatVersion)
		{
			if (formatVersion == ConfigFileVersion)
				return true;

			foreach (string s in CompatibleConfigFileVersions)
				if (s == formatVersion)
					return true;

			return false;
		}
	}
}