/// ------------------------------------------------------------------------------------
private bool GetAreAppropriateEditorsAlreadyVisible(ICollection <Type> desiredEditorTypes)
{
// SP-823: The editor is being replaced instead of being reused, resulting in incorrect control tab order
//return TabPages.Cast<TabPage>().All(tp =>
// (from object ctrl in tp.Controls select desiredEditorTypes.Contains(ctrl)).FirstOrDefault());
return(TabPages.Cast <TabPage>().All(tp =>
(from object ctrl in tp.Controls select desiredEditorTypes.Contains(ctrl.GetType())).FirstOrDefault()));
}
protected override void OnMouseLeave(EventArgs e)
{
State = MouseStates.Normal;
if (TabPages.Cast <TabPage>().Any(Tab => Tab.DisplayRectangle.Contains(_mouseLocation)))
{
Invalidate();
}
base.OnMouseLeave(e);
}
protected override void OnMouseMove(MouseEventArgs e)
{
_mouseLocation = e.Location;
if (TabPages.Cast <TabPage>().Any(Tab => Tab.DisplayRectangle.Contains(e.Location)))
{
Invalidate();
}
Invalidate();
base.OnMouseMove(e);
}
// http://stackoverflow.com/questions/1849801/c-sharp-winform-how-to-set-the-base-color-of-a-tabcontrol-not-the-tabpage
protected override void OnDrawItem(DrawItemEventArgs e)
{
// fill in the whole rect
using (SolidBrush br = new SolidBrush(Color.Black))
{
e.Graphics.FillRectangle(br, ClientRectangle);
}
// draw the tabs
for (int i = 0; i < TabPages.Count; ++i)
{
TabPage tab = TabPages[i];
// Get the text area of the current tab
RectangleF tabTextArea = (RectangleF)GetTabRect(i);
tabTextArea.Width *= e.Graphics.DpiX / 96f;
tabTextArea.Height *= e.Graphics.DpiY / 96f;
// draw the background
var tabColor = SelectedTab == tab ? SelectedTabBackColor : TabBackColor;
using (SolidBrush br = new SolidBrush(tabColor))
{
e.Graphics.FillRectangle(br, tabTextArea);
}
// draw the border
using (Pen p = new Pen(TabBorderColor))
{
e.Graphics.DrawRectangle(p, tabTextArea.X, tabTextArea.Y, tabTextArea.Width, tabTextArea.Height);
}
// draw the tab header text
var textColor = SelectedTab == tab ? SelectedTabForeColor : TabForeColor;
using (SolidBrush brush = new SolidBrush(textColor))
{
var sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(tab.Text, Font, brush, tabTextArea, sf);
}
}
// draw the tab underline (same color as border)
var bottom = TabPages.Cast <TabPage>().MaxOrDefault(t => GetTabRect(TabPages.IndexOf(t)).Bottom);
using (Pen p = new Pen(TabBorderColor, 5))
{
e.Graphics.DrawLine(p, ClientRectangle.Left, bottom, ClientRectangle.Right, bottom);
}
}
void Instance_ActiveSearchServiceChanged(object sender, EventArgs e)
{
if (ServerManager.Instance.ActiveSearchService != null)
{
var tab = TabPages.Cast <MultiEngineTab>().FirstOrDefault(s => s.EngineUI.RawEngines.Contains(ServerManager.Instance.ActiveSearchService));
if (tab != null)
{
base.SelectedTab = tab;
}
}
else
{
base.SelectedIndex = 0;
}
}
private void SearchProvider_DisabledChanged(object sender, EventArgs e)
{
var provider = sender as IResourceProvider;
if (provider.Disabled)
{
//禁用了。
this.TabPages.Cast <MultiEngineTab>().Where(s => s.Providers.Length == 1 && s.Providers[0] == provider).ToArray().ForEach(s => TabPages.Remove(s));
}
else
{
//已启用
if (!TabPages.Cast <MultiEngineTab>().Any(s => s.Providers.Contains(provider)))
{
new MultiEngineTab(this, provider);
}
}
}
protected override void OnControlAdded(ControlEventArgs e)
{
base.OnControlAdded(e);
// recompute tab widths
int maxTabLength = TabPages.Cast <TabPage>()
.Select(currentPage => TextRenderer.MeasureText(currentPage.Text, Font).Width + Padding.X + Padding.X + CloseButtonPadding)
.DefaultIfEmpty(0)
.Max();
var newItemWidth = Math.Max(maxTabLength, ItemSize.Width);
var newItemSize = new Size(newItemWidth, ItemSize.Height);
if (ItemSize != newItemSize)
{
ItemSize = newItemSize;
}
}
private TabPage FindByText(string text)
{
return(TabPages.Cast <TabPage>().FirstOrDefault(tp => tp.Text == text));
}
