/// <summary>
/// Handles the FormClosing event of the UCNavigationMenu control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="FormClosingEventArgs"/> instance containing the event data.</param>
void UCNavigationMenu_FormClosing(object sender, FormClosingEventArgs e)
{
FrmAnchor frm = sender as FrmAnchor;
if (m_lstAnchors.ContainsValue(frm))
{
foreach (var item in m_lstAnchors)
{
if (item.Value == frm)
{
m_lstAnchors.Remove(item.Key);
return;
}
}
}
}
/// <summary>
/// Handles the MouseEnter event of the lbl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
void lbl_MouseEnter(object sender, EventArgs e)
{
Label lbl = sender as Label;
var menu = lbl.Tag as NavigationMenuItemExt;
foreach (var item in m_lstAnchors)
{
m_lstAnchors[item.Key].Hide();
}
if (menu.ShowControl != null)
{
if (!m_lstAnchors.ContainsKey(menu))
{
m_lstAnchors[menu] = new FrmAnchor(lbl, menu.ShowControl);
}
m_lstAnchors[menu].Show(this);
m_lstAnchors[menu].Size = menu.ShowControl.Size;
}
}
/// <summary>
/// Handles the MouseEnter event of the lbl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
void lbl_MouseEnter(object sender, EventArgs e)
{
if (!IsExpand)
{
Label lbl = sender as Label;
var menu = lbl.Tag as NavigationMenuItemExt;
foreach (var item in m_lstAnchors)
{
m_lstAnchors[item.Key].Hide();
}
if (menu.ShowControl != null)
{
if (!m_lstAnchors.ContainsKey(menu))
{
m_lstAnchors[menu] = new FrmAnchor(panMenu, menu.ShowControl, isNotFocus: false);
}
m_lstAnchors[menu].BackColor = this.BackColor;
m_lstAnchors[menu].Show(this);
m_lstAnchors[menu].Size = new Size(this.panChilds.Width, expandHeight - mainMenuHeight);
}
}
}
/// <summary>
/// Shows the more menu.
/// </summary>
/// <param name="lbl">The label.</param>
private void ShowMoreMenu(Label lbl)
{
var menu = (NavigationMenuItem)lbl.Tag;
if (CheckShow(menu))
{
if (menu.Items != null && menu.Items.Length > 0)
{
Panel panel = new Panel();
panel.BackColor = Color.White;
panel.Paint += panel_Paint;
panel.Padding = new System.Windows.Forms.Padding(1);
Size size = GetItemsSize(menu.Items);
var height = size.Height * menu.Items.Length + 2;
height += menu.Items.Count(p => p.HasSplitLintAtTop);//分割线
if (size.Width < lbl.Width)
{
size.Width = lbl.Width;
}
panel.Size = new Size(size.Width, height);
foreach (var item in menu.Items)
{
if (item.HasSplitLintAtTop)
{
UCSplitLine_H line = new UCSplitLine_H();
line.Dock = DockStyle.Top;
panel.Controls.Add(line);
line.BringToFront();
}
Label _lbl = new Label();
_lbl.Font = Font;
_lbl.ForeColor = this.BackColor;
_lbl.AutoSize = false;
_lbl.TextAlign = ContentAlignment.MiddleCenter;
_lbl.Height = size.Height;
_lbl.Text = item.Text;
_lbl.Dock = DockStyle.Top;
_lbl.BringToFront();
_lbl.Paint += lbl_Paint;
_lbl.MouseEnter += lbl_MouseEnter;
_lbl.Tag = item;
_lbl.Click += lbl_Click;
_lbl.Size = new System.Drawing.Size(size.Width, size.Height);
panel.Controls.Add(_lbl);
_lbl.BringToFront();
}
Point point = Point.Empty;
if (menu.ParentItem != null)
{
Point p = lbl.Parent.PointToScreen(lbl.Location);
if (p.X + lbl.Width + panel.Width > Screen.PrimaryScreen.Bounds.Width)
{
point = new Point(-1 * panel.Width - 2, -1 * lbl.Height);
}
else
{
point = new Point(panel.Width + 2, -1 * lbl.Height);
}
}
m_lstAnchors[menu] = new FrmAnchor(lbl, panel, point);
m_lstAnchors[menu].FormClosing += UCNavigationMenu_FormClosing;
m_lstAnchors[menu].Show(this);
m_lstAnchors[menu].Size = new Size(size.Width, height);
}
}
}