/// <summary>
/// Propagates a page list request down the hierarchy of docking elements.
/// </summary>
/// <param name="state">Request that should result in pages collection being modified.</param>
/// <param name="pages">Pages collection for modification by the docking elements.</param>
public override void PropogatePageList(DockingPropogatePageList state, KryptonPageCollection pages)
{
switch (state)
{
case DockingPropogatePageList.All:
case DockingPropogatePageList.Docked:
case DockingPropogatePageList.Floating:
case DockingPropogatePageList.Filler:
{
// If the request relevant to this space control?
if ((state == DockingPropogatePageList.All) || (state == DockingPropogatePageList.Filler))
{
// Process each page inside the navigator
for (int i = DockableNavigatorControl.Pages.Count - 1; i >= 0; i--)
{
// Only add real pages and not placeholders
KryptonPage page = DockableNavigatorControl.Pages[i];
if ((page != null) && !(page is KryptonStorePage))
{
pages.Add(page);
}
}
}
}
break;
}
// Let base class perform standard processing
base.PropogatePageList(state, pages);
}
/// <summary>
/// Is this target a match for the provided screen position.
/// </summary>
/// <param name="screenPt">Position in screen coordinates.</param>
/// <param name="dragEndData">Data to be dropped at destination.</param>
/// <returns>True if a match; otherwise false.</returns>
public override bool IsMatch(Point screenPt, PageDragEndData dragEndData)
{
// First time around...
if (_visibleNotDraggedPages == -1)
{
// If pages are being dragged from this cell
if (dragEndData.Navigator == Cell)
{
// Create list of all the visible pages in the cell
KryptonPageCollection visiblePages = new KryptonPageCollection();
foreach (KryptonPage page in Cell.Pages)
{
if (page.LastVisibleSet)
{
visiblePages.Add(page);
}
}
// Remove all those that are being dragged
foreach (KryptonPage page in dragEndData.Pages)
{
visiblePages.Remove(page);
}
// Cache number of visible pages in target that are not part of the dragging set
_visibleNotDraggedPages = visiblePages.Count;
}
else
{
// Pages not coming from this cell so we always allow the cell edge targets
_visibleNotDraggedPages = int.MaxValue;
}
}
// If the drop leaves at least 1 page in the navigator then allow drag to edge
if (_visibleNotDraggedPages >= 1)
{
return(base.IsMatch(screenPt, dragEndData));
}
else
{
return(false);
}
}
/// <summary>
/// Propagates a page list request down the hierarchy of docking elements.
/// </summary>
/// <param name="state">Request that should result in pages collection being modified.</param>
/// <param name="pages">Pages collection for modification by the docking elements.</param>
public override void PropogatePageList(DockingPropogatePageList state, KryptonPageCollection pages)
{
switch (state)
{
case DockingPropogatePageList.All:
case DockingPropogatePageList.AutoHidden:
for (int i = AutoHiddenGroupControl.Pages.Count - 1; i >= 0; i--)
{
// Only add real pages and not just placeholders
KryptonPage page = AutoHiddenGroupControl.Pages[i];
if ((page != null) && !(page is KryptonStorePage))
{
// Remember the real page is inside a proxy!
KryptonAutoHiddenProxyPage proxyPage = (KryptonAutoHiddenProxyPage)page;
pages.Add(proxyPage.Page);
}
}
break;
}
}
/// <summary>
/// Propogates a page list request down the hierarchy of docking elements.
/// </summary>
/// <param name="state">Request that should result in pages collection being modified.</param>
/// <param name="pages">Pages collection for modification by the docking elements.</param>
public override void PropogatePageList(DockingPropogatePageList state, KryptonPageCollection pages)
{
switch (state)
{
case DockingPropogatePageList.All:
case DockingPropogatePageList.Docked:
case DockingPropogatePageList.Floating:
case DockingPropogatePageList.Filler:
{
// If the request relevant to this space control?
if ((state == DockingPropogatePageList.All) ||
((state == DockingPropogatePageList.Docked) && (ClearStoreAction == DockingPropogateAction.ClearDockedStoredPages)) ||
((state == DockingPropogatePageList.Floating) && (ClearStoreAction == DockingPropogateAction.ClearFloatingStoredPages)) ||
((state == DockingPropogatePageList.Filler) && (ClearStoreAction == DockingPropogateAction.ClearFillerStoredPages)))
{
// Process each cell in turn
KryptonWorkspaceCell cell = SpaceControl.FirstCell();
while (cell != null)
{
// Process each page inside the cell
for (int i = cell.Pages.Count - 1; i >= 0; i--)
{
// Only add real pages and not placeholders
KryptonPage page = cell.Pages[i];
if ((page != null) && !(page is KryptonStorePage))
{
pages.Add(page);
}
}
cell = SpaceControl.NextCell(cell);
}
}
}
break;
}
// Let base class perform standard processing
base.PropogatePageList(state, pages);
}
/// <summary>
/// Propagates a request for drag targets down the hierarchy of docking elements.
/// </summary>
/// <param name="floatingWindow">Reference to window being dragged.</param>
/// <param name="dragData">Set of pages being dragged.</param>
/// <param name="targets">Collection of drag targets.</param>
public override void PropogateDragTargets(KryptonFloatingWindow floatingWindow,
PageDragEndData dragData,
DragTargetList targets)
{
// Create list of the pages that are allowed to be dropped into this workspace
KryptonPageCollection pages = new KryptonPageCollection();
foreach (KryptonPage page in dragData.Pages)
{
if (page.AreFlagsSet(KryptonPageFlags.DockingAllowWorkspace))
{
pages.Add(page);
}
}
// Do we have any pages left for dragging?
if (pages.Count > 0)
{
DragTargetList workspaceTargets = DockableWorkspaceControl.GenerateDragTargets(new PageDragEndData(this, pages), KryptonPageFlags.DockingAllowWorkspace);
targets.AddRange(workspaceTargets.ToArray());
}
}
/// <summary>
/// Perform docking element specific actions for loading a child xml.
/// </summary>
/// <param name="xmlReader">Xml reader object.</param>
/// <param name="pages">Collection of available pages.</param>
/// <param name="child">Optional reference to existing child docking element.</param>
protected override void LoadChildDockingElement(XmlReader xmlReader,
KryptonPageCollection pages,
IDockingElement child)
{
KryptonDockingManager manager = DockingManager;
// Is it the expected xml element name?
if (xmlReader.Name != "KP")
{
throw new ArgumentException("Element name 'KP' was expected but found '" + xmlReader.Name + "' instead.");
}
// Get the unique name of the page
string uniqueName = xmlReader.GetAttribute("UN");
string boolStore = xmlReader.GetAttribute("S");
string boolVisible = xmlReader.GetAttribute("V");
KryptonPage page;
// If the entry is for just a placeholder...
if (CommonHelper.StringToBool(boolStore))
{
// Recreate the requested store page and append
page = new KryptonStorePage(uniqueName, "AutoHiddenGroup");
AutoHiddenGroupControl.Pages.Add(page);
}
else
{
// Can we find a provided page to match the incoming layout?
page = pages[uniqueName];
if (page == null)
{
// Generate event so developer can create and supply the page now
RecreateLoadingPageEventArgs args = new RecreateLoadingPageEventArgs(uniqueName);
manager.RaiseRecreateLoadingPage(args);
if (!args.Cancel)
{
page = args.Page;
// Add recreated page to the looking dictionary
if ((page != null) && (pages[page.UniqueName] == null))
{
pages.Add(page);
}
}
}
if (page != null)
{
// Use the loaded visible state
page.Visible = CommonHelper.StringToBool(boolVisible);
// Create a proxy around the page and append it
KryptonAutoHiddenProxyPage proxyPage = new KryptonAutoHiddenProxyPage(page);
AutoHiddenGroupControl.Pages.Add(proxyPage);
}
}
if (!xmlReader.Read())
{
throw new ArgumentException("An element was expected but could not be read in.");
}
if (xmlReader.Name != "CPD")
{
throw new ArgumentException("Expected 'CPD' element was not found");
}
bool finished = xmlReader.IsEmptyElement;
// Generate event so custom data can be loaded and/or the page to be added can be modified
DockPageLoadingEventArgs pageLoading = new DockPageLoadingEventArgs(manager, xmlReader, page);
manager.RaisePageLoading(pageLoading);
// Read everything until we get the end of custom data marker
while (!finished)
{
// Check it has the expected name
if (xmlReader.NodeType == XmlNodeType.EndElement)
{
finished = (xmlReader.Name == "CPD");
}
if (!finished)
{
if (!xmlReader.Read())
{
throw new ArgumentException("An element was expected but could not be read in.");
}
}
}
if (!xmlReader.Read())
{
throw new ArgumentException("An element was expected but could not be read in.");
}
}
/// <summary>
/// Propogates a request for drag targets down the hierarchy of docking elements.
/// </summary>
/// <param name="floatingWindow">Reference to window being dragged.</param>
/// <param name="dragData">Set of pages being dragged.</param>
/// <param name="targets">Collection of drag targets.</param>
public override void PropogateDragTargets(KryptonFloatingWindow floatingWindow,
PageDragEndData dragData,
DragTargetList targets)
{
if (DockspaceControl.CellVisibleCount > 0)
{
// Create list of the pages that are allowed to be dropped into this dockspace
KryptonPageCollection pages = new KryptonPageCollection();
foreach (KryptonPage page in dragData.Pages)
if (page.AreFlagsSet(KryptonPageFlags.DockingAllowDocked))
pages.Add(page);
// Do we have any pages left for dragging?
if (pages.Count > 0)
{
DragTargetList dockspaceTargets = DockspaceControl.GenerateDragTargets(new PageDragEndData(this, pages), KryptonPageFlags.DockingAllowDocked);
targets.AddRange(dockspaceTargets.ToArray());
}
}
}
/// <summary>
/// Is this target a match for the provided screen position.
/// </summary>
/// <param name="screenPt">Position in screen coordinates.</param>
/// <param name="dragEndData">Data to be dropped at destination.</param>
/// <returns>True if a match; otherwise false.</returns>
public override bool IsMatch(Point screenPt, PageDragEndData dragEndData)
{
// First time around...
if (_visibleNotDraggedPages == -1)
{
// If pages are being dragged from this cell
if (dragEndData.Navigator == _cell)
{
// Create list of all the visible pages in the cell
KryptonPageCollection visiblePages = new KryptonPageCollection();
foreach (KryptonPage page in _cell.Pages)
if (page.LastVisibleSet)
visiblePages.Add(page);
// Remove all those that are being dragged
foreach (KryptonPage page in dragEndData.Pages)
visiblePages.Remove(page);
// Cache number of visible pages in target that are not part of the dragging set
_visibleNotDraggedPages = visiblePages.Count;
}
else
{
// Pages not coming from this cell so we always allow the cell edge targets
_visibleNotDraggedPages = int.MaxValue;
}
}
// If the drop leaves at least 1 page in the navigator then allow drag to edge
if (_visibleNotDraggedPages >= 1)
return base.IsMatch(screenPt, dragEndData);
else
return false;
}
/// <summary>
/// Propogates a page list request down the hierarchy of docking elements.
/// </summary>
/// <param name="state">Request that should result in pages collection being modified.</param>
/// <param name="pages">Pages collection for modification by the docking elements.</param>
public override void PropogatePageList(DockingPropogatePageList state, KryptonPageCollection pages)
{
switch (state)
{
case DockingPropogatePageList.All:
case DockingPropogatePageList.Docked:
case DockingPropogatePageList.Floating:
case DockingPropogatePageList.Filler:
{
// If the request relevant to this space control?
if ((state == DockingPropogatePageList.All) ||
((state == DockingPropogatePageList.Docked) && (ClearStoreAction == DockingPropogateAction.ClearDockedStoredPages)) ||
((state == DockingPropogatePageList.Floating) && (ClearStoreAction == DockingPropogateAction.ClearFloatingStoredPages)) ||
((state == DockingPropogatePageList.Filler) && (ClearStoreAction == DockingPropogateAction.ClearFillerStoredPages)))
{
// Process each cell in turn
KryptonWorkspaceCell cell = SpaceControl.FirstCell();
while (cell != null)
{
// Process each page inside the cell
for (int i = cell.Pages.Count - 1; i >= 0; i--)
{
// Only add real pages and not placeholders
KryptonPage page = cell.Pages[i];
if ((page != null) && !(page is KryptonStorePage))
pages.Add(page);
}
cell = SpaceControl.NextCell(cell);
}
}
}
break;
}
// Let base class perform standard processing
base.PropogatePageList(state, pages);
}
/// <summary>
/// Perform docking element specific actions for loading a child xml.
/// </summary>
/// <param name="xmlReader">Xml reader object.</param>
/// <param name="pages">Collection of available pages.</param>
/// <param name="child">Optional reference to existing child docking element.</param>
protected override void LoadChildDockingElement(XmlReader xmlReader,
KryptonPageCollection pages,
IDockingElement child)
{
KryptonDockingManager manager = DockingManager;
// Is it the expected xml element name?
if (xmlReader.Name != "KP")
throw new ArgumentException("Element name 'KP' was expected but found '" + xmlReader.Name + "' instead.");
// Get the unique name of the page
string uniqueName = xmlReader.GetAttribute("UN");
string boolStore = xmlReader.GetAttribute("S");
string boolVisible = xmlReader.GetAttribute("V");
KryptonPage page = null;
// If the entry is for just a placeholder...
if (CommonHelper.StringToBool(boolStore))
{
// Recreate the requested store page and append
page = new KryptonStorePage(uniqueName, "AutoHiddenGroup");
AutoHiddenGroupControl.Pages.Add(page);
}
else
{
// Can we find a provided page to match the incoming layout?
page = pages[uniqueName];
if (page == null)
{
// Generate event so developer can create and supply the page now
RecreateLoadingPageEventArgs args = new RecreateLoadingPageEventArgs(uniqueName);
manager.RaiseRecreateLoadingPage(args);
if (!args.Cancel)
{
page = args.Page;
// Add recreated page to the looking dictionary
if ((page != null) && (pages[page.UniqueName] == null))
pages.Add(page);
}
}
if (page != null)
{
// Use the loaded visible state
page.Visible = CommonHelper.StringToBool(boolVisible);
// Create a proxy around the page and append it
KryptonAutoHiddenProxyPage proxyPage = new KryptonAutoHiddenProxyPage(page);
AutoHiddenGroupControl.Pages.Add(proxyPage);
}
}
if (!xmlReader.Read())
throw new ArgumentException("An element was expected but could not be read in.");
if (xmlReader.Name != "CPD")
throw new ArgumentException("Expected 'CPD' element was not found");
bool finished = xmlReader.IsEmptyElement;
// Generate event so custom data can be loaded and/or the page to be added can be modified
DockPageLoadingEventArgs pageLoading = new DockPageLoadingEventArgs(manager, xmlReader, page);
manager.RaisePageLoading(pageLoading);
// Read everything until we get the end of custom data marker
while (!finished)
{
// Check it has the expected name
if (xmlReader.NodeType == XmlNodeType.EndElement)
finished = (xmlReader.Name == "CPD");
if (!finished)
{
if (!xmlReader.Read())
throw new ArgumentException("An element was expected but could not be read in.");
}
}
if (!xmlReader.Read())
throw new ArgumentException("An element was expected but could not be read in.");
}
/// <summary>
/// Propogates a page list request down the hierarchy of docking elements.
/// </summary>
/// <param name="state">Request that should result in pages collection being modified.</param>
/// <param name="pages">Pages collection for modification by the docking elements.</param>
public override void PropogatePageList(DockingPropogatePageList state, KryptonPageCollection pages)
{
switch (state)
{
case DockingPropogatePageList.All:
case DockingPropogatePageList.AutoHidden:
for (int i = AutoHiddenGroupControl.Pages.Count - 1; i >= 0; i--)
{
// Only add real pages and not just placeholders
KryptonPage page = AutoHiddenGroupControl.Pages[i];
if ((page != null) && !(page is KryptonStorePage))
{
// Remember the real page is inside a proxy!
KryptonAutoHiddenProxyPage proxyPage = (KryptonAutoHiddenProxyPage)page;
pages.Add(proxyPage.Page);
}
}
break;
}
}
/// <summary>
/// Generate an implementation of the IDragPageNotify class that will be used to handle the drag/drop operation.
/// </summary>
/// <param name="screenPoint">Screen point of the mouse for the drag operation.</param>
/// <param name="elementOffset">Offset from top left of element causing the drag.</param>
/// <param name="c">Control that started the drag operation.</param>
/// <param name="window">Reference to floating window element that should be dragged.</param>
public virtual void DoDragDrop(Point screenPoint, Point elementOffset, Control c, KryptonDockingFloatingWindow window)
{
// Cannot drag a null reference
if (window == null)
throw new ArgumentNullException("window");
// Create a list of all the visible pages inside the floating window
KryptonPageCollection pages = new KryptonPageCollection();
KryptonWorkspaceCell cell = window.FloatspaceElement.FloatspaceControl.FirstVisibleCell();
while (cell != null)
{
foreach (KryptonPage page in cell.Pages)
if (!(page is KryptonStorePage) && page.LastVisibleSet)
pages.Add(page);
cell = window.FloatspaceElement.FloatspaceControl.NextVisibleCell(cell);
}
// If it actually has any visible contents to be moved
if (pages.Count > 0)
{
// Create docking specific drag manager for moving the pages around
DockingDragManager dragManager = new DockingDragManager(this, null);
dragManager.FloatingWindow = window.FloatingWindow;
dragManager.FloatingWindowOffset = elementOffset;
// Set the window location before it is shown otherwise we see a brief flash as it appears at the
// existing location and then it moves to the correct location based on the screen mouse position
dragManager.FloatingWindow.Location = new Point(screenPoint.X - elementOffset.X, screenPoint.Y - elementOffset.Y);
// Add ourself as a source of drag targets and then begin the dragging process
dragManager.DragTargetProviders.Add(new DockingDragTargetProvider(this, dragManager.FloatingWindow, pages));
dragManager.DragStart(screenPoint, new PageDragEndData(this, pages));
}
}
