/// <summary>
/// Init.
/// </summary>
/// <param name="link">the context menu</param>
public HtmlContextMenuEventArgs(RContextMenu contextMenu)
{
_contextMenu = contextMenu;
}
/// <summary>
/// Show context menu clicked on given rectangle.
/// </summary>
/// <param name="parent">the parent control to show the context menu on</param>
/// <param name="rect">the rectangle that was clicked to show context menu</param>
/// <param name="link">the link that was clicked to show context menu on</param>
public void ShowContextMenu(RControl parent, CssRect rect, CssBox link)
{
try
{
DisposeContextMenu();
_parentControl = parent;
_currentRect = rect;
_currentLink = link;
_contextMenu = _htmlContainer.Adapter.GetContextMenu();
if (rect != null)
{
bool isVideo = false;
if (link != null)
{
isVideo = link is CssBoxFrame && ((CssBoxFrame)link).IsVideo;
var linkExist = !string.IsNullOrEmpty(link.HrefLink);
_contextMenu.AddItem(isVideo ? _openVideo : _openLink, linkExist, OnOpenLinkClick);
if (_htmlContainer.IsSelectionEnabled)
{
_contextMenu.AddItem(isVideo ? _copyVideoUrl : _copyLink, linkExist, OnCopyLinkClick);
}
_contextMenu.AddDivider();
}
if (rect.IsImage && !isVideo)
{
_contextMenu.AddItem(_saveImage, rect.Image != null, OnSaveImageClick);
if (_htmlContainer.IsSelectionEnabled)
{
_contextMenu.AddItem(_copyImageLink, !string.IsNullOrEmpty(_currentRect.OwnerBox.GetAttribute("src")), OnCopyImageLinkClick);
_contextMenu.AddItem(_copyImage, rect.Image != null, OnCopyImageClick);
}
_contextMenu.AddDivider();
}
if (_htmlContainer.IsSelectionEnabled)
{
_contextMenu.AddItem(_copy, rect.Selected, OnCopyClick);
}
}
if (_htmlContainer.IsSelectionEnabled)
{
_contextMenu.AddItem(_selectAll, true, OnSelectAllClick);
}
if (_contextMenu.ItemsCount > 0)
{
_contextMenu.RemoveLastDivider();
_contextMenu.Show(parent, parent.MouseLocation);
}
}
catch (Exception ex)
{
_htmlContainer.ReportError(HtmlRenderErrorType.ContextMenu, "Failed to show context menu", ex);
}
}
/// <summary>
/// Dispose of the last used context menu.
/// </summary>
private void DisposeContextMenu()
{
try
{
if (_contextMenu != null)
_contextMenu.Dispose();
_contextMenu = null;
_parentControl = null;
_currentRect = null;
_currentLink = null;
}
catch
{ }
}
/// <summary>
/// Handle context menu customisation by the caller
/// </summary>
/// <param name="contextMenu">the context menu to customise</param>
internal void HandleContextMenuInvoked(RContextMenu contextMenu)
{
EventHandler<HtmlContextMenuEventArgs> contextMenuHandler = ContextMenuInvoked;
if (contextMenuHandler != null)
{
var args = new HtmlContextMenuEventArgs(contextMenu);
try
{
contextMenuHandler(this, args);
}
catch (Exception ex)
{
throw new Exception("Error in context menu intercept", ex);
}
}
}
