/// <summary>
/// Sets the tooltip text on the specified item, from the specified action.
/// </summary>
/// <param name="item"></param>
/// <param name="action"></param>
internal static void SetTooltipText(ToolStripItem item, IAction action)
{
var actionTooltip = action.Tooltip;
if (string.IsNullOrEmpty(actionTooltip))
{
actionTooltip = (action.Label ?? string.Empty).Replace("&", "");
}
var clickAction = action as IClickAction;
if (clickAction == null || clickAction.KeyStroke == XKeys.None)
{
item.ToolTipText = actionTooltip;
return;
}
var keyCode = clickAction.KeyStroke & XKeys.KeyCode;
var builder = new StringBuilder();
builder.Append(actionTooltip);
if (keyCode != XKeys.None)
{
if (builder.Length > 0)
{
builder.AppendLine();
}
builder.AppendFormat("{0}: ", SR.LabelKeyboardShortcut);
builder.Append(XKeysConverter.Format(clickAction.KeyStroke));
}
item.ToolTipText = builder.ToString();
}
private bool ValidateClickActionKeyStroke(AbstractActionModelTreeLeafClickAction node, XKeys keys)
{
// if we're just synchronizing key strokes due to another key stroke set action, short the validation request
if (_updatingKeyStrokes)
{
return(true);
}
// if the key stroke is the empty value, it is always allowed
if (keys == XKeys.None)
{
return(true);
}
// if the key stroke contains only modifiers and no key, it is never allowed
if ((keys & XKeys.Modifiers) != 0 && (keys & XKeys.KeyCode) == 0)
{
return(false);
}
// if the action is not part of the viewer component then it is handled by the desktop and must be modified
if (GetActionsById(_imageViewer.ExportedActions, node.ActionId).Count == 0 && (keys & XKeys.Modifiers) == 0)
{
return(false);
}
// if the key stroke is a value reserved by built-in viewer operations, then it cannot be allowed
if (_reservedKeystrokes.Contains(keys))
{
var message = string.Format(SR.MessageKeyStrokeReserved, XKeysConverter.Format(keys));
Host.DesktopWindow.ShowMessageBox(message, MessageBoxActions.Ok);
return(false);
}
// check for other assignments to the same key stroke and confirm the action if there are pre-existing assignments
if (_keyStrokeMap.IsAssignedToOther(keys, node.ActionId))
{
IList <AbstractActionModelTreeLeafAction> actions = _actionMap[_keyStrokeMap[keys]];
if (actions.Count > 0)
{
string message = string.Format(SR.MessageKeyStrokeAlreadyAssigned, XKeysConverter.Format(keys), actions[0].Label);
DialogBoxAction result = base.Host.DesktopWindow.ShowMessageBox(message, MessageBoxActions.YesNo);
if (result != DialogBoxAction.Yes)
{
return(false);
}
}
}
return(true);
}
