// --- handler ---
private void HandleWorkspaceTreeAfterSelect(object sender, TreeViewEventArgs e)
{
UpdateMemoListBox();
if (!_inited)
{
/// ShowDialog()内で必ずこのメソッドが呼ばれるための措置
/// これをやっておかないと初期状態でノートを選択した状態にならない
if (UriUtil.IsMemoUri(_defaultUri))
{
Uri = _defaultUri;
}
_inited = true;
}
UpdateOkButtonEnabled();
}
// ------------------------------
// private
// ------------------------------
private void ShowPreview(Link link, Point loc)
{
if (link != null && UriUtil.IsMemoUri(link.Uri))
{
var info = UriUtil.GetMemoInfo(link.Uri);
if (info != null)
{
var bmp = default(Bitmap);
if (_app.IsLoadedMemo(info))
{
/// Loadされていればそのcanvasからbitmapを作る
var content = _app.FindPageContent(info);
bmp = MemoOutlineUtil.CreateOutline(content.EditorCanvas);
}
else
{
bmp = MemoOutlineUtil.LoadOrSaveAndLoadOutline(info);
}
DisposePreviewPopup();
var canvas = Host.Site.EditorCanvas;
var bounds = _Figure.Bounds;
var screen = Screen.FromRectangle(bounds);
var outline = new OutlinePreviewControl(screen, info.Title, bmp, 1f);
_previewPopup = new Popup(outline);
/// AutoClose = falseにしておかないとPopupにフォーカスを取られてしまう
_previewPopup.AutoClose = false;
_previewPopup.Tag = bmp;
var locDelta = 20;
var locOnScreen = canvas.PointToScreen(canvas.TranslateToControlPoint(loc));
var preferredSize = outline.GetPreferredSize(new Size(int.MaxValue, int.MaxValue));
var isEnoughLowerSpace = preferredSize.Height < screen.WorkingArea.Height - (locOnScreen.Y + locDelta) - 2;
var isLocUpper = locOnScreen.Y <= screen.WorkingArea.Height / 2;
var y = 0;
if (isEnoughLowerSpace || isLocUpper)
{
outline.MaxHeight = screen.WorkingArea.Height - (locOnScreen.Y + locDelta) - 2;
y = locOnScreen.Y + locDelta;
}
else
{
outline.MaxHeight = locOnScreen.Y - locDelta - 2;
y = locOnScreen.Y - locDelta - Math.Min(preferredSize.Height, outline.MaxHeight);
}
var isEnoughRighterSpace = preferredSize.Width < screen.WorkingArea.Width - (locOnScreen.X + locDelta) - 2;
var isLocLefter = locOnScreen.X <= screen.WorkingArea.Width / 2;
var x = 0;
if (isEnoughRighterSpace || isLocLefter)
{
outline.MaxWidth = screen.WorkingArea.Width - (locOnScreen.X + locDelta) - 2;
x = locOnScreen.X + locDelta;
}
else
{
outline.MaxWidth = locOnScreen.X - locDelta - 2;
x = locOnScreen.X - locDelta - Math.Min(preferredSize.Width, outline.MaxWidth);
}
_previewPopup.Show(new Point(x, y));
}
}
}
