/// <summary>
/// Flips to the component that was added to this layout with the
/// specified <code>name</code>, using <code>addLayoutComponent</code>.
/// If no such component exists, then nothing happens. </summary>
/// <param name="parent"> the parent container in which to do the layout </param>
/// <param name="name"> the component name </param>
/// <seealso cref= java.awt.CardLayout#addLayoutComponent(java.awt.Component, java.lang.Object) </seealso>
public virtual void Show(Container parent, String name)
{
lock (parent.TreeLock)
{
CheckLayout(parent);
Component next = null;
int ncomponents = Vector.Count;
for (int i = 0; i < ncomponents; i++)
{
Card card = (Card)Vector[i];
if (card.Name.Equals(name))
{
next = card.Comp;
CurrentCard = i;
break;
}
}
if ((next != null) && !next.Visible)
{
ncomponents = parent.ComponentCount;
for (int i = 0; i < ncomponents; i++)
{
Component comp = parent.GetComponent(i);
if (comp.Visible)
{
comp.Visible = false;
break;
}
}
next.Visible = true;
parent.Validate();
}
}
}
internal virtual void ShowDefaultComponent(Container parent)
{
if (parent.ComponentCount > 0)
{
CurrentCard = 0;
parent.GetComponent(0).Visible = true;
parent.Validate();
}
}
/// <summary>
/// Flips to the previous card of the specified container. If the
/// currently visible card is the first one, this method flips to the
/// last card in the layout. </summary>
/// <param name="parent"> the parent container in which to do the layout </param>
/// <seealso cref= java.awt.CardLayout#next </seealso>
public virtual void Previous(Container parent)
{
lock (parent.TreeLock)
{
CheckLayout(parent);
int ncomponents = parent.ComponentCount;
for (int i = 0; i < ncomponents; i++)
{
Component comp = parent.GetComponent(i);
if (comp.Visible)
{
comp.Visible = false;
CurrentCard = ((i > 0) ? i - 1 : ncomponents - 1);
comp = parent.GetComponent(CurrentCard);
comp.Visible = true;
parent.Validate();
return;
}
}
ShowDefaultComponent(parent);
}
}
/// <summary>
/// Flips to the last card of the container. </summary>
/// <param name="parent"> the parent container in which to do the layout </param>
/// <seealso cref= java.awt.CardLayout#first </seealso>
public virtual void Last(Container parent)
{
lock (parent.TreeLock)
{
CheckLayout(parent);
int ncomponents = parent.ComponentCount;
for (int i = 0; i < ncomponents; i++)
{
Component comp = parent.GetComponent(i);
if (comp.Visible)
{
comp.Visible = false;
break;
}
}
if (ncomponents > 0)
{
CurrentCard = ncomponents - 1;
parent.GetComponent(CurrentCard).Visible = true;
parent.Validate();
}
}
}
