protected override void Attach()
{
_control = ControlObject as Menu;
List <MenuItem> items = new List <MenuItem>();
HeaderedItemsControlUtility.GetChildren(_control, items);
foreach (var element in items)
{
var item = element;
string text = HeaderedItemsControlUtility.GetItemText(item);
if (string.IsNullOrEmpty(text))
{
continue;
}
RoutedEventHandler opened = (s, e) =>
{
SubmenuOpened(item, new string[] { text });
};
item.SubmenuOpened += opened;
RoutedEventHandler click = (s, e) =>
{
Click(item, new string[] { text });
};
item.Click += click;
_detach.Add(() =>
{
item.SubmenuOpened -= opened;
item.Click -= click;
});
}
}
void Expanded(TreeViewItem parentItem, string[] texts)
{
AddSentence(new TokenName(), ".GetItem(" + MakeGetArgs(texts) + ").EmulateChangeExpanded(true",
new TokenAsync(CommaType.Non), ");");
RoutedEventHandler closedForGenerate = null;
closedForGenerate = (s, ee) =>
{
Collapsed(parentItem, texts);
parentItem.Collapsed -= closedForGenerate;
};
parentItem.Collapsed += closedForGenerate;
parentItem.Dispatcher.BeginInvoke((MyAction) delegate
{
List <TreeViewItem> items = new List <TreeViewItem>();
HeaderedItemsControlUtility.GetChildren(parentItem, items);
foreach (var element in items)
{
var item = element;
string text = HeaderedItemsControlUtility.GetItemText(item);
if (string.IsNullOrEmpty(text))
{
continue;
}
List <string> nextTexts = new List <string>(texts);
nextTexts.Add(text);
RoutedEventHandler opened = (s, e) =>
{
Expanded(item, nextTexts.ToArray());
};
item.Expanded += opened;
RoutedEventHandler click = (s, e) =>
{
SelectedChanged(item, nextTexts.ToArray());
};
item.Selected += click;
item.Unselected += click;
RoutedEventHandler closed = null;
closed = (s, ee) =>
{
item.Expanded -= opened;
item.Selected -= click;
item.Unselected -= click;
parentItem.Collapsed -= closed;
};
parentItem.Collapsed += closed;
}
});
}
void AttachChildren(int[] indices, string[] texts, ItemsControl itemsControl)
{
//仮想化対応 50ミリ周期でイベントハンドリングしていないTreeViewItemを監視する
//初回はすぐに実行されるようにする
var timer = new System.Windows.Forms.Timer {
Interval = 1
};
int[] next = null;
System.Windows.Forms.MethodInvoker eventConnection = () =>
{
timer.Interval = 50;
//子要素取得
var exists = GetTreeChildren(itemsControl, next, out var notExists);
foreach (var item in exists)
{
string text = HeaderedItemsControlUtility.GetItemText(item.Value);
List <int> nextIndices = new List <int>(indices);
List <string> nextTexts = new List <string>(texts);
nextIndices.Add(item.Key);
nextTexts.Add(text);
EventConnection(item.Value, false, IsTextKey, nextIndices.ToArray(), nextTexts.ToArray());
}
//仮想化でまだ存在していない要素があればそれを監視させる
next = notExists;
//全てアタッチしたら終了
if (next.Length == 0)
{
timer?.Stop();
}
};
//タイマ処理
timer.Tick += (_, __) =>
{
try
{
eventConnection();
}
catch
{
timer.Stop();
}
};
timer.Start();
}
void SubmenuOpened(MenuItem parentItem, string[] texts)
{
parentItem.Dispatcher.BeginInvoke((MyAction) delegate
{
List <MenuItem> items = new List <MenuItem>();
HeaderedItemsControlUtility.GetChildren(parentItem, items);
foreach (var element in items)
{
var item = element;
string text = HeaderedItemsControlUtility.GetItemText(item);
if (string.IsNullOrEmpty(text))
{
continue;
}
List <string> nextTexts = new List <string>(texts);
nextTexts.Add(text);
RoutedEventHandler opened = (s, e) =>
{
SubmenuOpened(item, nextTexts.ToArray());
};
item.SubmenuOpened += opened;
RoutedEventHandler click = (s, e) =>
{
Click(item, nextTexts.ToArray());
};
item.Click += click;
RoutedEventHandler closed = null;
closed = (s, ee) =>
{
item.SubmenuOpened -= opened;
item.Click -= click;
parentItem.SubmenuClosed -= closed;
};
parentItem.SubmenuClosed += closed;
}
});
}
void AttachChildren(Visual parent, List <MenuItem> attachedChildren, string[] texts)
{
List <MenuItem> items = new List <MenuItem>();
HeaderedItemsControlUtility.GetChildren(parent, items);
foreach (var element in items)
{
var item = element;
string text = HeaderedItemsControlUtility.GetItemText(item);
if (string.IsNullOrEmpty(text))
{
continue;
}
List <string> nextTexts = new List <string>(texts);
nextTexts.Add(text);
//まだイベントにアタッチしてない場合
if (!attachedChildren.Contains(item))
{
attachedChildren.Add(item);
RoutedEventHandler click = (s, e) =>
{
Click(item, nextTexts.ToArray());
};
item.Click += click;
_detach.Add(() =>
{
item.Click -= click;
});
}
//子アイテムにアタッチ
AttachChildren(item, attachedChildren, nextTexts.ToArray());
}
}
static TreeViewItem GetItemEx(TreeView tree, ItemsControl parent, string[] headerTexts, int index)
{
for (int i = 0; i < parent.Items.Count; i++)
{
var item = GetItemAndScrollIntoView(tree, parent, i);
var text = HeaderedItemsControlUtility.GetItemText(item);
if (text == headerTexts[index])
{
if (index == headerTexts.Length - 1)
{
item.BringIntoView();
return(item);
}
else
{
ShowNextItem(item);
return(GetItemEx(tree, item, headerTexts, index + 1));
}
}
}
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
public override bool ConvertChildClientPoint(ref System.Drawing.Point clientPointWinForms, out string childUIObject)
{
childUIObject = string.Empty;
var clientPoint = new Point(clientPointWinForms.X, clientPointWinForms.Y);
//指定座標の要素取得
var hitElement = PointUtility.GetPosElement(clientPoint, _control);
if (hitElement == null)
{
return(false);
}
//TreeItemをたどる
var items = new List <TreeViewItem>();
foreach (var x in TreeUtilityInTarget.VisualTree(hitElement, TreeRunDirection.Ancestors))
{
if (Equals(x, _control))
{
break;
}
var item = x as TreeViewItem;
if (item != null)
{
items.Add(item);
}
}
if (items.Count == 0)
{
return(false);
}
//座標変換
var screenPos = _control.PointToScreen(clientPoint);
var childPoint = items[0].PointFromScreen(screenPos);
clientPointWinForms.X = (int)childPoint.X;
clientPointWinForms.Y = (int)childPoint.Y;
//子取得用文字列作成
items.Reverse();
var texts = new List <string>();
foreach (var x in items)
{
texts.Add(HeaderedItemsControlUtility.GetItemText(x));
}
var indices = new List <int>();
ItemsControl itemsControl = _control;
foreach (var x in items)
{
indices.Add(itemsControl.ItemContainerGenerator.IndexFromContainer(x));
itemsControl = x;
}
childUIObject = $".GetItem({MakeGetArgs(IsTextKey, indices.ToArray(), texts.ToArray())})";
return(true);
}