private void buttonExpandRetract_Click(YamuiButtonImage sender, EventArgs e)
{
if (_isExpanded)
{
YamuiList.ForceAllToCollapse();
}
else
{
YamuiList.ForceAllToExpand();
}
_isExpanded = !_isExpanded;
FilterBox.ExtraButtonsList[0].BackGrndImage = _isExpanded ? Resources.Resources.Collapse : Resources.Resources.Expand;
}
/// <summary>
/// Redirect mouse wheel to the list
/// </summary>
protected override void OnMouseWheel(MouseEventArgs e)
{
YamuiList.DoScroll(e.Delta);
base.OnMouseWheel(e);
}
private void DrawContent()
{
// init menu form
ShowInTaskbar = false;
StartPosition = FormStartPosition.Manual;
Controls.Clear();
// evaluates the width needed to draw the control
var maxWidth = MenuList.Select(item => item.Level * 8 + TextRenderer.MeasureText(item.SubText ?? "", FontManager.GetFont(FontFunction.Small)).Width + TextRenderer.MeasureText(item.DisplayText ?? "", FontManager.GetStandardFont()).Width).Concat(new[] { 0 }).Max();
maxWidth += MenuList.Exists(item => item.SubText != null) ? 10 : 0;
maxWidth += (MenuList.Exists(item => item.ItemImage != null) ? 35 : 8) + 30;
if (FormMaxSize.Width > 0)
{
maxWidth = maxWidth.ClampMax(FormMaxSize.Width);
}
if (FormMinSize.Width > 0)
{
maxWidth = maxWidth.ClampMin(FormMinSize.Width);
}
Width = maxWidth;
int yPos = BorderWidth;
// title
HtmlLabel title = null;
if (HtmlTitle != null)
{
title = new HtmlLabel {
Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right,
Location = new Point(BorderWidth, yPos),
AutoSizeHeightOnly = true,
Width = Width - BorderWidth * 2,
BackColor = Color.Transparent,
Text = HtmlTitle,
IsSelectionEnabled = false,
IsContextMenuEnabled = false,
Enabled = false
};
yPos += title.Height;
}
// display filter box?
if (DisplayFilterBox)
{
FilterBox.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
FilterBox.Location = new Point(BorderWidth, yPos + 5);
FilterBox.Size = new Size(Width - BorderWidth * 2, 20);
FilterBox.Padding = new Padding(5, 0, 5, 0);
if (MenuList.Exists(item => item.CanExpand))
{
_isExpanded = MenuList.Exists(item => item.IsExpanded);
FilterBox.ExtraButtons = new List <YamuiFilterBox.YamuiFilterBoxButton> {
new YamuiFilterBox.YamuiFilterBoxButton {
Image = _isExpanded ? Resources.Resources.Collapse : Resources.Resources.Expand,
OnClic = buttonExpandRetract_Click,
ToolTip = "Toggle <b>Expand/Collapse</b>"
}
};
}
yPos += 30;
}
// list
Padding = new Padding(BorderWidth, yPos, BorderWidth, BorderWidth);
YamuiList.NoCanExpandItem = !MenuList.Exists(item => item.CanExpand);
YamuiList.Dock = DockStyle.Fill;
if (!DisplayNbItems)
{
YamuiList.BottomHeight = 0;
}
YamuiList.SetItems(MenuList.Cast <ListItem>().ToList());
YamuiList.MouseDown += YamuiListOnMouseDown;
YamuiList.EnterPressed += YamuiListOnEnterPressed;
YamuiList.RowClicked += YamuiListOnRowClicked;
yPos += YamuiList.Items.Count.ClampMin(1) * YamuiList.RowHeight;
if (YamuiList.Items.Count > 0)
{
var selectedIdx = YamuiList.Items.Cast <YamuiMenuItem>().ToList().FindIndex(item => item.IsSelectedByDefault);
if (selectedIdx > 0)
{
YamuiList.SelectedItemIndex = selectedIdx;
}
}
// add controls
if (title != null)
{
Controls.Add(title);
}
if (DisplayFilterBox)
{
FilterBox.Initialize(YamuiList);
Controls.Add(FilterBox);
}
Controls.Add(YamuiList);
// Size the form
var height = yPos + BorderWidth + (DisplayNbItems ? YamuiList.BottomHeight : 0);
if (FormMaxSize.Height > 0)
{
height = height.ClampMax(FormMaxSize.Height);
}
if (FormMinSize.Height > 0)
{
height = height.ClampMin(FormMinSize.Height);
}
Size = new Size(maxWidth, height);
// position / size
Location = ParentWindowRectangle.Width > 0 ? GetBestCenteredPosition(ParentWindowRectangle) : (AutocompletionLineHeight != 0 ? GetBestAutocompPosition(SpawnLocation, AutocompletionLineHeight) : GetBestMenuPosition(SpawnLocation));
ResizeFormToFitScreen();
MinimumSize = Size;
// default focus
if (DisplayFilterBox)
{
FilterBox.ClearAndFocusFilter();
}
else
{
ActiveControl = YamuiList;
}
// Filter?
if (!string.IsNullOrEmpty(InitialFilterString) && DisplayFilterBox)
{
FilterBox.Text = InitialFilterString;
}
// So that the OnKeyDown event of this form is executed before the HandleKeyDown event of the control focused
KeyPreview = true;
}
