Ejemplo n.º 1
0
        public void RestoreToPanel()
        {
            DockPanel.SuspendLayout(true);

            IDockContent activeContent = DockPanel.ActiveContent;

            for (int i = DisplayingContents.Count - 1; i >= 0; i--)
            {
                IDockContent content = DisplayingContents[i];
                if (content.DockHandler.CheckDockState(false) != DockState.Unknown)
                {
                    content.DockHandler.IsFloat = false;
                }
            }

            DockPanel.ResumeLayout(true, true);
        }
Ejemplo n.º 2
0
        public DockPane Float()
        {
            DockPanel.SuspendLayout(true);

            IDockContent activeContent = ActiveContent;

            DockPane floatPane = GetFloatPaneFromContents();

            if (floatPane == null)
            {
                IDockContent firstContent = GetFirstContent(DockState.Float);
                if (firstContent == null)
                {
                    DockPanel.ResumeLayout(true, true);
                    return(null);
                }
                floatPane = DockPanel.DockPaneFactory.CreateDockPane(firstContent, DockState.Float, true);
            }
            SetVisibleContentsToPane(floatPane, activeContent);

            DockPanel.ResumeLayout(true, true);
            return(floatPane);
        }
Ejemplo n.º 3
0
        public void Show(DockPanel dockPanel, Rectangle floatWindowBounds)
        {
            if (dockPanel == null)
            {
                throw(new ArgumentNullException(DockPanelSuite.Properties.Resources.DockContentHandler_Show_NullDockPanel));
            }

            dockPanel.SuspendLayout(true);

            DockPanel = dockPanel;
            if (FloatPane == null)
            {
                IsHidden  = true;                       // to reduce the screen flicker
                FloatPane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Float, false);
                FloatPane.FloatWindow.StartPosition = FormStartPosition.Manual;
            }

            FloatPane.FloatWindow.Bounds = floatWindowBounds;

            Show(dockPanel, DockState.Float);
            Activate();

            dockPanel.ResumeLayout(true, true);
        }
Ejemplo n.º 4
0
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == (int)Win32.Msgs.WM_NCLBUTTONDOWN)
            {
                if (IsDisposed)
                {
                    return;
                }

                uint result = NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
                if (result == 2 && DockPanel.AllowEndUserDocking && this.AllowEndUserDocking)                   // HITTEST_CAPTION
                {
                    Activate();
                    m_dockPanel.BeginDrag(this);
                }
                else
                {
                    base.WndProc(ref m);
                }

                return;
            }
            else if (m.Msg == (int)Win32.Msgs.WM_NCRBUTTONDOWN)
            {
                uint result = NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
                if (result == 2)        // HITTEST_CAPTION
                {
                    DockPane theOnlyPane = (VisibleNestedPanes.Count == 1) ? VisibleNestedPanes[0] : null;
                    if (theOnlyPane != null && theOnlyPane.ActiveContent != null)
                    {
                        theOnlyPane.ShowTabPageContextMenu(this, PointToClient(Control.MousePosition));
                        return;
                    }
                }

                base.WndProc(ref m);
                return;
            }
            else if (m.Msg == (int)Win32.Msgs.WM_CLOSE)
            {
                if (NestedPanes.Count == 0)
                {
                    base.WndProc(ref m);
                    return;
                }

                for (int i = NestedPanes.Count - 1; i >= 0; i--)
                {
                    DockContentCollection contents = NestedPanes[i].Contents;
                    for (int j = contents.Count - 1; j >= 0; j--)
                    {
                        IDockContent content = contents[j];
                        if (content.DockHandler.DockState != DockState.Float)
                        {
                            continue;
                        }

                        if (!content.DockHandler.CloseButton)
                        {
                            continue;
                        }

                        if (content.DockHandler.HideOnClose)
                        {
                            content.DockHandler.Hide();
                        }
                        else
                        {
                            content.DockHandler.Close();
                        }
                    }
                }

                return;
            }
            else if (m.Msg == (int)Win32.Msgs.WM_NCLBUTTONDBLCLK)
            {
                uint result = NativeMethods.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
                if (result != 2)        // HITTEST_CAPTION
                {
                    base.WndProc(ref m);
                    return;
                }

                DockPanel.SuspendLayout(true);

                // Restore to panel
                foreach (DockPane pane in NestedPanes)
                {
                    if (pane.DockState != DockState.Float)
                    {
                        continue;
                    }
                    pane.RestoreToPanel();
                }


                DockPanel.ResumeLayout(true, true);
                return;
            }
            else if (m.Msg == WM_CHECKDISPOSE)
            {
                if (NestedPanes.Count == 0)
                {
                    Dispose();
                }

                return;
            }

            base.WndProc(ref m);
        }
Ejemplo n.º 5
0
            public static void LoadFromXml(DockPanel dockPanel, Stream stream, DeserializeDockContent deserializeContent, bool closeStream)
            {
                if (dockPanel.Contents.Count != 0)
                    throw new InvalidOperationException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_AlreadyInitialized);

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

                while (!xmlIn.Name.Equals("DockPanel"))
                {
                    if (!MoveToNextElement(xmlIn))
                        throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                }

                string formatVersion = xmlIn.GetAttribute("FormatVersion");
                if (!IsFormatVersionValid(formatVersion))
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.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"), CultureInfo.InvariantCulture);
                dockPanelStruct.IndexActivePane = Convert.ToInt32(xmlIn.GetAttribute("ActivePane"), CultureInfo.InvariantCulture);

                // Load Contents
                MoveToNextElement(xmlIn);
                if (xmlIn.Name != "Contents")
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                ContentStruct[] contents = LoadContents(xmlIn);

                // Load Panes
                if (xmlIn.Name != "Panes")
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                PaneStruct[] panes = LoadPanes(xmlIn);

                // Load DockWindows
                if (xmlIn.Name != "DockWindows")
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                DockWindowStruct[] dockWindows = LoadDockWindows(xmlIn, dockPanel);

                // Load FloatWindows
                if (xmlIn.Name != "FloatWindows")
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                FloatWindowStruct[] floatWindows = LoadFloatWindows(xmlIn);

                if (closeStream)
                    xmlIn.Close();

                dockPanel.SuspendLayout(true);

                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++)
                {
                    IDockContent 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++)
                    {
                        IDockContent 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].NestedPanes.Length; j++)
                    {
                        DockWindow dw = dockPanel.DockWindows[dockWindows[i].DockState];
                        int indexPane = dockWindows[i].NestedPanes[j].IndexPane;
                        DockPane pane = dockPanel.Panes[indexPane];
                        int indexPrevPane = dockWindows[i].NestedPanes[j].IndexPrevPane;
                        DockPane prevPane = (indexPrevPane == -1) ? dw.NestedPanes.GetDefaultPreviousPane(pane) : dockPanel.Panes[indexPrevPane];
                        DockAlignment alignment = dockWindows[i].NestedPanes[j].Alignment;
                        double proportion = dockWindows[i].NestedPanes[j].Proportion;
                        pane.DockTo(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].NestedPanes.Length; j++)
                    {
                        int indexPane = floatWindows[i].NestedPanes[j].IndexPane;
                        DockPane pane = dockPanel.Panes[indexPane];
                        if (j == 0)
                            fw = dockPanel.FloatWindowFactory.CreateFloatWindow(dockPanel, pane, floatWindows[i].Bounds);
                        else
                        {
                            int indexPrevPane = floatWindows[i].NestedPanes[j].IndexPrevPane;
                            DockPane prevPane = indexPrevPane == -1 ? null : dockPanel.Panes[indexPrevPane];
                            DockAlignment alignment = floatWindows[i].NestedPanes[j].Alignment;
                            double proportion = floatWindows[i].NestedPanes[j].Proportion;
                            pane.DockTo(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++)
                {
                    IDockContent 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++)
                {
                    IDockContent 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();

                dockPanel.ResumeLayout(true, true);
            }
Ejemplo n.º 6
0
        public void Show(DockPanel dockPanel, Rectangle floatWindowBounds)
        {
            if (dockPanel == null)
                throw(new ArgumentNullException(DockPanelSuite.Properties.Resources.DockContentHandler_Show_NullDockPanel));

            dockPanel.SuspendLayout(true);

            DockPanel = dockPanel;
            if (FloatPane == null)
            {
                IsHidden = true;	// to reduce the screen flicker
                FloatPane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Float, false);
                FloatPane.FloatWindow.StartPosition = FormStartPosition.Manual;
            }

            FloatPane.FloatWindow.Bounds = floatWindowBounds;

            Show(dockPanel, DockState.Float);
            Activate();

            dockPanel.ResumeLayout(true, true);
        }
Ejemplo n.º 7
0
        public void Show(DockPanel dockPanel, DockState dockState)
        {
            if (dockPanel == null)
                throw(new ArgumentNullException(DockPanelSuite.Properties.Resources.DockContentHandler_Show_NullDockPanel));

            if (dockState == DockState.Unknown || dockState == DockState.Hidden)
                throw(new ArgumentException(DockPanelSuite.Properties.Resources.DockContentHandler_Show_InvalidDockState));

            dockPanel.SuspendLayout(true);

            DockPanel = dockPanel;

            if (dockState == DockState.Float && FloatPane == null)
                Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Float, true);
            else if (PanelPane == null)
            {
                DockPane paneExisting = null;
                foreach (DockPane pane in DockPanel.Panes)
                    if (pane.DockState == dockState)
                    {
                        paneExisting = pane;
                        break;
                    }

                if (paneExisting == null)
                    Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, dockState, true);
                else
                    Pane = paneExisting;
            }

            DockState = dockState;
            Activate();

            dockPanel.ResumeLayout(true, true);
        }
Ejemplo n.º 8
0
        internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
        {
            if (IsSuspendSetDockState)
            {
                return;
            }

            if (DockPanel == null && visibleState != DockState.Unknown)
            {
                throw new InvalidOperationException(DockPanelSuite.Properties.Resources.DockContentHandler_SetDockState_NullPanel);
            }

            if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !IsDockStateValid(visibleState)))
            {
                throw new InvalidOperationException(DockPanelSuite.Properties.Resources.DockContentHandler_SetDockState_InvalidState);
            }

            DockPanel dockPanel = DockPanel;

            if (dockPanel != null)
            {
                dockPanel.SuspendLayout(true);
            }

            SuspendSetDockState();

            DockState oldDockState = DockState;

            if (m_isHidden != isHidden || oldDockState == DockState.Unknown)
            {
                m_isHidden = isHidden;
            }
            m_visibleState = visibleState;
            m_dockState    = isHidden ? DockState.Hidden : visibleState;

            if (visibleState == DockState.Unknown)
            {
                Pane = null;
            }
            else
            {
                m_isFloat = (m_visibleState == DockState.Float);

                if (Pane == null)
                {
                    Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
                }
                else if (Pane.DockState != visibleState)
                {
                    if (Pane.Contents.Count == 1)
                    {
                        Pane.SetDockState(visibleState);
                    }
                    else
                    {
                        Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
                    }
                }
            }

            if (Form.ContainsFocus)
            {
                if (DockState == DockState.Hidden || DockState == DockState.Unknown)
                {
                    DockPanel.ContentFocusManager.GiveUpFocus(Content);
                }
            }

            SetPaneAndVisible(Pane);

            if (oldPane != null && !oldPane.IsDisposed && oldDockState == oldPane.DockState)
            {
                RefreshDockPane(oldPane);
            }

            if (Pane != null && DockState == Pane.DockState)
            {
                if ((Pane != oldPane) ||
                    (Pane == oldPane && oldDockState != oldPane.DockState))
                {
                    RefreshDockPane(Pane);
                }
            }

            if (oldDockState != DockState)
            {
                if (DockState == DockState.Hidden || DockState == DockState.Unknown ||
                    DockHelper.IsDockStateAutoHide(DockState))
                {
                    DockPanel.ContentFocusManager.RemoveFromList(Content);
                }
                else
                {
                    DockPanel.ContentFocusManager.AddToList(Content);
                }

                OnDockStateChanged(EventArgs.Empty);
            }
            ResumeSetDockState();

            if (dockPanel != null)
            {
                dockPanel.ResumeLayout(true, true);
            }
        }
Ejemplo n.º 9
0
        private void InternalConstruct(IDockContent content, DockState dockState, bool flagBounds, Rectangle floatWindowBounds, DockPane prevPane, DockAlignment alignment, double proportion, bool show)
        {
            if (dockState == DockState.Hidden || dockState == DockState.Unknown)
            {
                throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPane_SetDockState_InvalidState);
            }

            if (content == null)
            {
                throw new ArgumentNullException(DockPanelSuite.Properties.Resources.DockPane_Constructor_NullContent);
            }

            if (content.DockHandler.DockPanel == null)
            {
                throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPane_Constructor_NullDockPanel);
            }


            SuspendLayout();
            SetStyle(ControlStyles.Selectable, false);

            m_isFloat = (dockState == DockState.Float);

            m_contents           = new DockContentCollection();
            m_displayingContents = new DockContentCollection(this);
            m_dockPanel          = content.DockHandler.DockPanel;
            m_dockPanel.AddPane(this);

            m_splitter = new SplitterControl(this);

            m_nestedDockingStatus = new NestedDockingStatus(this);

            m_captionControl  = DockPanel.DockPaneCaptionFactory.CreateDockPaneCaption(this);
            m_tabStripControl = DockPanel.DockPaneStripFactory.CreateDockPaneStrip(this);
            Controls.AddRange(new Control[] { m_captionControl, m_tabStripControl });

            DockPanel.SuspendLayout(true);
            if (flagBounds)
            {
                FloatWindow = DockPanel.FloatWindowFactory.CreateFloatWindow(DockPanel, this, floatWindowBounds);
            }
            else if (prevPane != null)
            {
                DockTo(prevPane.NestedPanesContainer, prevPane, alignment, proportion);
            }

            SetDockState(dockState);
            if (show)
            {
                content.DockHandler.Pane = this;
            }
            else if (this.IsFloat)
            {
                content.DockHandler.FloatPane = this;
            }
            else
            {
                content.DockHandler.PanelPane = this;
            }

            ResumeLayout();
            DockPanel.ResumeLayout(true, true);
        }
Ejemplo n.º 10
0
        private void RefreshStateChange(INestedPanesContainer oldContainer, DockState oldDockState)
        {
            lock (this)
            {
                if (IsRefreshStateChangeSuspended)
                {
                    return;
                }

                SuspendRefreshStateChange();
            }

            DockPanel.SuspendLayout(true);

            IDockContent contentFocused = GetFocusedContent();

            if (contentFocused != null)
            {
                DockPanel.SaveFocus();
            }
            SetParent();

            if (ActiveContent != null)
            {
                ActiveContent.DockHandler.SetDockState(ActiveContent.DockHandler.IsHidden, DockState, ActiveContent.DockHandler.Pane);
            }
            foreach (IDockContent content in Contents)
            {
                if (content.DockHandler.Pane == this)
                {
                    content.DockHandler.SetDockState(content.DockHandler.IsHidden, DockState, content.DockHandler.Pane);
                }
            }

            if (oldContainer != null)
            {
                Control oldContainerControl = (Control)oldContainer;
                if (oldContainer.DockState == oldDockState && !oldContainerControl.IsDisposed)
                {
                    oldContainerControl.PerformLayout();
                }
            }
            if (DockHelper.IsDockStateAutoHide(oldDockState))
            {
                DockPanel.RefreshActiveAutoHideContent();
            }

            if (NestedPanesContainer.DockState == DockState)
            {
                ((Control)NestedPanesContainer).PerformLayout();
            }
            if (DockHelper.IsDockStateAutoHide(DockState))
            {
                DockPanel.RefreshActiveAutoHideContent();
            }

            if (DockHelper.IsDockStateAutoHide(oldDockState) ||
                DockHelper.IsDockStateAutoHide(DockState))
            {
                DockPanel.RefreshAutoHideStrip();
                DockPanel.PerformLayout();
            }

            ResumeRefreshStateChange();

            if (contentFocused != null)
            {
                contentFocused.DockHandler.Activate();
            }

            DockPanel.ResumeLayout(true, true);

            if (oldDockState != DockState)
            {
                OnDockStateChanged(EventArgs.Empty);
            }
        }
Ejemplo n.º 11
0
 private void SuspendRefreshStateChange()
 {
     m_countRefreshStateChange++;
     DockPanel.SuspendLayout(true);
 }
Ejemplo n.º 12
0
            public static void LoadFromXml(DockPanel dockPanel, Stream stream, DeserializeDockContent deserializeContent, bool closeStream)
            {
                if (dockPanel.Contents.Count != 0)
                {
                    throw new InvalidOperationException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_AlreadyInitialized);
                }

                XmlTextReader xmlIn = new XmlTextReader(stream);

                xmlIn.WhitespaceHandling = WhitespaceHandling.None;
                xmlIn.MoveToContent();

                while (!xmlIn.Name.Equals("DockPanel"))
                {
                    if (!MoveToNextElement(xmlIn))
                    {
                        throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                    }
                }

                string formatVersion = xmlIn.GetAttribute("FormatVersion");

                if (!IsFormatVersionValid(formatVersion))
                {
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.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"), CultureInfo.InvariantCulture);
                dockPanelStruct.IndexActivePane         = Convert.ToInt32(xmlIn.GetAttribute("ActivePane"), CultureInfo.InvariantCulture);

                // Load Contents
                MoveToNextElement(xmlIn);
                if (xmlIn.Name != "Contents")
                {
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                }
                ContentStruct[] contents = LoadContents(xmlIn);

                // Load Panes
                if (xmlIn.Name != "Panes")
                {
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                }
                PaneStruct[] panes = LoadPanes(xmlIn);

                // Load DockWindows
                if (xmlIn.Name != "DockWindows")
                {
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                }
                DockWindowStruct[] dockWindows = LoadDockWindows(xmlIn, dockPanel);

                // Load FloatWindows
                if (xmlIn.Name != "FloatWindows")
                {
                    throw new ArgumentException(DockPanelSuite.Properties.Resources.DockPanel_LoadFromXml_InvalidXmlFormat);
                }
                FloatWindowStruct[] floatWindows = LoadFloatWindows(xmlIn);

                if (closeStream)
                {
                    xmlIn.Close();
                }

                dockPanel.SuspendLayout(true);

                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++)
                {
                    IDockContent 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++)
                    {
                        IDockContent 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].NestedPanes.Length; j++)
                    {
                        DockWindow    dw            = dockPanel.DockWindows[dockWindows[i].DockState];
                        int           indexPane     = dockWindows[i].NestedPanes[j].IndexPane;
                        DockPane      pane          = dockPanel.Panes[indexPane];
                        int           indexPrevPane = dockWindows[i].NestedPanes[j].IndexPrevPane;
                        DockPane      prevPane      = (indexPrevPane == -1) ? dw.NestedPanes.GetDefaultPreviousPane(pane) : dockPanel.Panes[indexPrevPane];
                        DockAlignment alignment     = dockWindows[i].NestedPanes[j].Alignment;
                        double        proportion    = dockWindows[i].NestedPanes[j].Proportion;
                        pane.DockTo(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].NestedPanes.Length; j++)
                    {
                        int      indexPane = floatWindows[i].NestedPanes[j].IndexPane;
                        DockPane pane      = dockPanel.Panes[indexPane];
                        if (j == 0)
                        {
                            fw = dockPanel.FloatWindowFactory.CreateFloatWindow(dockPanel, pane, floatWindows[i].Bounds);
                        }
                        else
                        {
                            int           indexPrevPane = floatWindows[i].NestedPanes[j].IndexPrevPane;
                            DockPane      prevPane      = indexPrevPane == -1 ? null : dockPanel.Panes[indexPrevPane];
                            DockAlignment alignment     = floatWindows[i].NestedPanes[j].Alignment;
                            double        proportion    = floatWindows[i].NestedPanes[j].Proportion;
                            pane.DockTo(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++)
                {
                    IDockContent 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++)
                {
                    IDockContent 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();
                    }
                }

                dockPanel.ResumeLayout(true, true);
            }