X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2FWizardLayout.java;fp=src%2Ftim%2Fprune%2Fgui%2FWizardLayout.java;h=1a5a8f1b8d2b1193bbdf8eb1128efffd4e7b2f38;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/WizardLayout.java b/src/tim/prune/gui/WizardLayout.java
new file mode 100644
index 0000000..1a5a8f1
--- /dev/null
+++ b/src/tim/prune/gui/WizardLayout.java
@@ -0,0 +1,102 @@
+package tim.prune.gui;
+
+import java.awt.CardLayout;
+import java.awt.Component;
+import javax.swing.JPanel;
+
+/**
+ * Layout class enhancing the regular card layout to add the ability to
+ * see which is the current card, how many cards there are, previous / next etc
+ */
+public class WizardLayout extends CardLayout
+{
+	private JPanel _panel = null;
+	private int    _currentCard = 0;
+	private int    _numCards = 0;
+
+	/**
+	 * Constructor
+	 * @param inPanel panel controlled by this layout
+	 */
+	public WizardLayout(JPanel inPanel)
+	{
+		super();
+		_panel = inPanel;
+		_panel.setLayout(this);
+	}
+
+	/**
+	 * Add a card to this layout
+	 * @param inCard
+	 */
+	public void addCard(Component inCard)
+	{
+		_panel.add(inCard, "card" + _numCards);
+		_numCards++;
+	}
+
+	/**
+	 * @return current card index (from 0)
+	 */
+	public int getCurrentCardIndex() {
+		return _currentCard;
+	}
+
+	/**
+	 * Go to the first card
+	 */
+	public void showFirstCard()
+	{
+		first(_panel);
+		_currentCard = 0;
+	}
+
+	/**
+	 * Go to the next card
+	 */
+	public void showNextCard()
+	{
+		if (_currentCard < (_numCards-1))
+		{
+			next(_panel);
+			_currentCard++;
+		}
+	}
+
+	/**
+	 * Go to the previous card
+	 */
+	public void showPreviousCard()
+	{
+		if (_currentCard > 0)
+		{
+			previous(_panel);
+			_currentCard--;
+		}
+	}
+
+	/**
+	 * @return true if this is the first card
+	 */
+	public boolean isFirstCard() {
+		return _currentCard == 0;
+	}
+
+	/**
+	 * @return true if this is the last card
+	 */
+	public boolean isLastCard() {
+		return _currentCard == (_numCards-1);
+	}
+
+	/**
+	 * @param inIndex index (from 0) of the card to show
+	 */
+	public void showCard(int inIndex)
+	{
+		if (inIndex >= 0 && inIndex < _numCards) {
+			show(_panel, "card" + inIndex);
+			_currentCard = inIndex;
+		}
+	}
+}