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Reimplement FindChild and add FindChildrenStartWith #367

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Reimplement FindChild and add FindChildrenStartWith #367

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44 changes: 29 additions & 15 deletions ClientGUI/INItializableWindow.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,29 +26,43 @@ public INItializableWindow(WindowManager windowManager) : base(windowManager)
/// instead of the window's name.
/// </summary>
protected string IniNameOverride { get; set; }
private bool VisitChild(IEnumerable<XNAControl> list, Func<XNAControl, bool> judge)
{
foreach (XNAControl child in list)
{
bool stop = judge(child);
if (stop) return true;
stop = VisitChild(child.Children, judge);
if (stop) return true;
}
return false;
}

public T FindChild<T>(string childName, bool optional = false) where T : XNAControl
{
T child = FindChild<T>(Children, childName);
if (child == null && !optional)
XNAControl result = null;
VisitChild(new List<XNAControl>() { this }, control =>
{
if (control.Name != childName) return false;
result = control;
return true;
});
if (result == null && !optional)
throw new KeyNotFoundException("Could not find required child control: " + childName);

return child;
return (T)result;
}

private T FindChild<T>(IEnumerable<XNAControl> list, string controlName) where T : XNAControl
public List<T> FindChildrenStartWith<T>(string prefix) where T : XNAControl
{
foreach (XNAControl child in list)
List<T> result = new List<T>();
VisitChild(new List<XNAControl>() { this }, (control) =>
{
if (child.Name == controlName)
return (T)child;

T childOfChild = FindChild<T>(child.Children, controlName);
if (childOfChild != null)
return childOfChild;
}

return null;
if (string.IsNullOrEmpty(prefix) ||
!string.IsNullOrEmpty(control.Name) && control.Name.StartsWith(prefix))
result.Add((T)control);
return false;
});
return result;
}

/// <summary>
Expand Down