/// <summary>
/// Creates an icon for a button that displays a list of all tabs.
/// </summary>
protected Point[] CreateAllTabsButtonIcon(TabViewLayout layout, Rectangle rect, int size)
{
if (layout == TabViewLayout.Vertical)
{
return(VectorIcons.DownArrow(rect, size));
}
else
{
return(VectorIcons.RightArrow(rect, size));
}
}
/// <summary>
/// Creates a rectangle for the tab bar.
/// </summary>
public Rectangle CreateTabsBarRect(TabViewLayout layout, int size)
{
if (layout == TabViewLayout.Vertical)
{
return(new Rectangle(0, 0, size, this.Height));
}
else
{
return(new Rectangle(0, 0, this.Width, size));
}
}
/// <summary>
/// Updates the layout and causes rendering.
/// </summary>
public virtual void UpdateLayout()
{
TabViewLayout layout = TabsBarLayout;
tabsBarRect = CreateTabsBarRect(layout, tabsBarSize);
tabsBarSeparatorRect = CreateTabsBarSeparatorRect(layout, tabsBarRect, tabsBarSeparatorSize);
allTabsButtonRect = CreateAllTabsButtonRect(layout, tabsBarRect, allTabsButtonSize);
allTabsButtonIcon = CreateAllTabsButtonIcon(layout, allTabsButtonRect, allTabsIconSize);
UpdateTabsBarLayout();
UpdatePanelsLayout();
this.Invalidate();
}
/// <summary>
/// Creates a rectangle for a button that displays a list of all tabs.
/// </summary>
public Rectangle CreateAllTabsButtonRect(TabViewLayout layout, Rectangle tabsBar, int size)
{
if (layout == TabViewLayout.Vertical)
{
return(new Rectangle(
tabsBar.Left, tabsBar.Bottom - size,
tabsBar.Width, size));
}
else
{
return(new Rectangle(
tabsBar.Right - size, tabsBar.Top,
size, tabsBar.Height));
}
}
/// <summary>
/// Creates a rectangle for the line that separates the tab bar and the tab view.
/// </summary>
public virtual Rectangle CreateTabsBarSeparatorRect(TabViewLayout layout, Rectangle tabsBar, int size)
{
if (layout == TabViewLayout.Vertical)
{
return(new Rectangle(
tabsBar.Right, tabsBar.Top,
size, tabsBar.Height));
}
else
{
return(new Rectangle(
tabsBar.Left, tabsBar.Bottom,
tabsBar.Width, size));
}
}
/// <summary>
/// Returns the number of tabs that fit on the tab bar.
/// </summary>
protected virtual private int GetDisplayedTabs(List <TabData> tabs, Rectangle tabsBar, TabViewLayout layout)
{
int displayedTabs = -1;
if (layout == TabViewLayout.Vertical)
{
for (int i = 0; i < tabs.Count; i++)
{
if (tabs[i].tabRect.Bottom > tabsBar.Bottom)
{
displayedTabs = i;
break;
}
}
}
else
{
for (int i = 0; i < tabs.Count; i++)
{
if (tabs[i].tabRect.Right > tabsBar.Right)
{
displayedTabs = i;
break;
}
}
}
if (displayedTabs > 0)
{
Rectangle previewTabRect = tabs[displayedTabs - 1].tabRect;
if (layout == TabViewLayout.Vertical)
{
if (previewTabRect.Bottom > allTabsButtonRect.Top)
{
displayedTabs--;
}
}
else
{
if (previewTabRect.Right > allTabsButtonRect.Left)
{
displayedTabs--;
}
}
}
return(displayedTabs);
}
