protected override void OnBeforeContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams state, CefMenuModel model)
{
for (var index = model.Count - 1; index >= 0; index--)
{
var nCmd = model.GetCommandIdAt(index);
if (!ContextMenuHelper.IsEdition(nCmd) && !ContextMenuHelper.IsUserDefined(nCmd))
{
model.Remove(nCmd);
}
}
if (WinFormium.Runtime.IsDebuggingMode && (state.ContextMenuType & CefContextMenuTypeFlags.Editable) != CefContextMenuTypeFlags.Editable)
{
if (model.Count > 0)
{
model.AddSeparator();
}
model.AddItem((int)((CefMenuId)ContextMenuHelper.MenuIdentifier.MENU_ID_SHOW_DEVTOOLS), Resources.Messages.ContextMenu_ShowDevTools);
model.AddItem((int)((CefMenuId)ContextMenuHelper.MenuIdentifier.MENU_ID_HIDE_DEVTOOLS), Resources.Messages.ContextMenu_CloseDevTools);
}
var e = new BeforeContextMenuEventArgs(frame, state, model);
_owner.InvokeIfRequired(() => _owner.OnBeforeContextMenu(e));
}
protected override void OnBeforeContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams menuParams, CefMenuModel model)
{
var count = model.Count;
if (count > 0)
{
for (int i = 0; i < count; i++)
{
var commandId = (CefMenuId)model.GetCommandIdAt(i);
switch (commandId)
{
case CefMenuId.Undo:
case CefMenuId.Redo:
case CefMenuId.Cut:
case CefMenuId.Copy:
case CefMenuId.Paste:
case CefMenuId.Delete:
case CefMenuId.SelectAll:
case CefMenuId.Find:
break;
default:
break;
}
}
}
if (AppHelper.EnableDevtools)
{
model.Remove((int)CefMenuId.Print);
model.Remove((int)CefMenuId.ViewSource);
if (model.Count >= 1)
{
model.RemoveAt(model.Count - 1);
}
model.AddItem(SHOW_DEV_TOOLS, "&Show DevTools");
}
else
{
model.Clear(); // 禁用右键菜单
}
//model.InsertItemAt(model.Count > 0 ? 1 : 0, (int)CefMenuId.ReloadNocache, "Refresh");
//model.AddSeparator();
//model.AddItem(SHOW_DEV_TOOLS, "&Show DevTools");
//model.AddItem(INSPECT_ELEMENT, "Inspect element");
//CefMenuModel submenu = model.AddSubMenu(0, "Submenu Test");
//submenu.AddItem((int)CefMenuId.Copy, "Copy");
//submenu.AddItem((int)CefMenuId.Paste, "Paste");
//submenu.SetColorAt(submenu.Count - 1, CefMenuColorType.Text, CefColor.FromArgb((int)Colors.Blue.ToUint32()));
//submenu.AddCheckItem(0, "Checked Test");
//submenu.SetCheckedAt(submenu.Count - 1, true);
//submenu.AddRadioItem(0, "Radio Off", 0);
//submenu.AddRadioItem(0, "Radio On", 1);
//submenu.SetCheckedAt(submenu.Count - 1, true);
}
private void Build(CefMenuModel model, MenuItemCollection menu)
{
CefColor color = default;
int count = model.Count;
for (int i = 0; i < count; i++)
{
MenuItem menuItem;
switch (model.GetTypeAt(i))
{
case CefMenuItemType.Separator:
menu.Add(new MenuSeparatorItem());
continue;
case CefMenuItemType.Check:
menuItem = new MenuItem();
//menuItem.CheckOnClick = true;
//menuItem.Checked = model.IsCheckedAt(i);
break;
case CefMenuItemType.Radio:
menuItem = new MenuItem();
//menuItem.Checked = model.IsCheckedAt(i);
break;
case CefMenuItemType.Command:
menuItem = new MenuItem();
break;
case CefMenuItemType.Submenu:
menuItem = new MenuItem();
if (model.IsEnabledAt(i))
{
//menuItem.DropDownItemClicked += Menu_ItemClicked;
Build(model.GetSubMenuAt(i), menuItem.Items);
}
break;
default:
continue;
}
menuItem.Text = model.GetLabelAt(i).Replace("&", "");
menuItem.Click += Menu_ItemClicked;
menuItem.Enabled = model.IsEnabledAt(i);
//menuItem.Tag = model.GetCommandIdAt(i);
MenuItemsTags.Add(menuItem, model.GetCommandIdAt(i));
//menuItem.ForeColor = model.GetColorAt(i, CefMenuColorType.Text, ref color) ? Color.FromArgb(color.ToArgb()) : SystemColors.ControlText;
menu.Add(menuItem);
}
}
private static void CopyItems(CefMenuModel model, MenuModelItem[] dest)
{
for (int i = 0; i < dest.Length; i++)
{
var item = new MenuModelItem
{
Command = model.GetCommandIdAt(i),
Label = model.GetLabelAt(i),
Type = model.GetTypeAt(i),
Group = model.GetGroupIdAt(i),
Visible = model.IsVisibleAt(i),
Enabled = model.IsEnabledAt(i),
Checked = model.IsCheckedAt(i),
};
CefColor color = default;
item.Colors = new CefColor[(int)CefMenuColorType.Count];
for (int j = 0; j < item.Colors.Length; j++)
{
item.Colors[j] = model.GetColorAt(i, (CefMenuColorType)j, ref color) ? color : default;
}
int keycode = 0, alt = 0, ctrl = 0, shift = 0;
if (model.GetAcceleratorAt(i, ref keycode, ref shift, ref ctrl, ref alt))
{
item.Accelerator = new Accelerator {
KeyCode = keycode, Alt = alt != 0, Ctrl = ctrl != 0, Shift = shift != 0
};
}
if (item.Type == CefMenuItemType.Submenu)
{
CefMenuModel submenu = model.GetSubMenuAt(i);
var items = new MenuModelItem[submenu.Count];
CopyItems(submenu, items);
item.SubMenu = new MenuModel(items)
{
IsSubMenu = true
};
}
dest[i] = item;
}
}