protected virtual void OnSelectedIndexChanging(SelectedIndexChangingEventArgs e)
{
if (SelectedIndexChanging != null)
SelectedIndexChanging(this, e);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (this.Controls.Count > 0)
{
int result = -1;
Rectangle smartButtonRectangle;
CommonObjects.ButtonState smartButtonState;
GetSmartButtonHitTest(e.Location, out smartButtonRectangle,
out smartButtonState, out result);
switch (result)
{
/*** Is on the SmartCloseButton. ***/
case 0:
NeoTabPage stp = this.SelectedTab;
if (stp.IsCloseable)
Remove(stp);
break;
/*** Is on the SmartDropDownButton. ***/
case 1:
ContextMenuStrip dropDownMenu = new ContextMenuStrip();
Point menuLocation = PointToScreen(new Point(smartButtonRectangle.Left, smartButtonRectangle.Bottom));
using (DropDownButtonClickedEventArgs ea =
new DropDownButtonClickedEventArgs(dropDownMenu, menuLocation))
{
// Fire a Notification Event.
OnDropDownButtonClicked(ea);
}
break;
/*** Is not found! ***/
default:
if (this.Controls.Count > 1)
{
int itemIndex = -1;
Rectangle itemRectangle;
CommonObjects.ButtonState itemState;
NeoTabPage tabItem = GetHitTest(e.Location,
out itemRectangle, out itemState, out itemIndex);
if (tabItem != null && tabItem.IsSelectable)
{
bool isAvailable = true;
switch (renderer.NeoTabPageItemsSide)
{
case TabPageLayout.Top:
case TabPageLayout.Bottom:
if (itemRectangle.Right >=
(smartButtonRectangle.IsEmpty ? DisplayRectangle.Right : smartButtonRectangle.Left))
isAvailable = false;
break;
default:
if (itemRectangle.Bottom >=
(smartButtonRectangle.IsEmpty ? DisplayRectangle.Bottom : smartButtonRectangle.Top))
isAvailable = false;
break;
}
if (isAvailable)
{
if (selectedIndex != itemIndex)
{
using (SelectedIndexChangingEventArgs ea =
new SelectedIndexChangingEventArgs(tabItem, itemIndex))
{
// Fire a Notification Event.
OnSelectedIndexChanging(ea);
if (!ea.Cancel)
this.SelectedIndex = ea.TabPageIndex;
}
}
else
{
if (!DesignMode && AllowDrop)
{
// Starts a drag & drop operation for currently selected tab page.
BeginDragDrop(tabItem, itemRectangle,
CommonObjects.ButtonState.Pressed, itemIndex);
}
}
}
}
}
break;
}
}
}
}
protected override bool ProcessMnemonic(char charCode)
{
for (int i = 0; i < this.Controls.Count; i++)
{
NeoTabPage tp = TabPages[i] as NeoTabPage;
if (IsMnemonic(charCode, tp.Text))
{
if (tp.IsSelectable && selectedIndex != i)
{
using (SelectedIndexChangingEventArgs e =
new SelectedIndexChangingEventArgs(tp, i))
{
// Fire a Notification Event.
OnSelectedIndexChanging(e);
if (!e.Cancel)
this.SelectedIndex = e.TabPageIndex;
}
}
break;
}
}
return base.ProcessMnemonic(charCode);
}
/// <summary>
/// Selects a tab page with a specified index of the tab.
/// </summary>
/// <param name="tabPageIndex">Index of the tab to select</param>
private void OnNavigateTabPage(int tabPageIndex)
{
if (tabPageIndex == selectedIndex || this.Controls.Count <= 1)
return;
if (tabPageIndex > this.Controls.Count - 1)
tabPageIndex = 0;
else if (tabPageIndex < 0)
tabPageIndex = this.Controls.Count - 1;
try
{
NeoTabPage selectingTabPage = TabPages[tabPageIndex] as NeoTabPage;
if (selectingTabPage == null || !selectingTabPage.IsSelectable)
return;
using (SelectedIndexChangingEventArgs e =
new SelectedIndexChangingEventArgs(selectingTabPage, tabPageIndex))
{
// Fire a Notification Event.
OnSelectedIndexChanging(e);
if (!e.Cancel)
this.SelectedIndex = e.TabPageIndex;
}
}
catch (ArgumentOutOfRangeException)
{ ;}
}
