X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Fjvcard%2Ftui%2Fpanes%2FMainContent.java;h=26cd7cb8ae330797e8394f27eb831762480241ac;hb=5ad0e17e7fea1c602cb2638a006424af9c7e33e8;hp=df8731366b37d788e2ab5ff86258e018221fb4da;hpb=fae07ea7af01c64ca1a858db75a615555318d5e2;p=jvcard.git

diff --git a/src/be/nikiroo/jvcard/tui/panes/MainContent.java b/src/be/nikiroo/jvcard/tui/panes/MainContent.java
index df87313..26cd7cb 100644
--- a/src/be/nikiroo/jvcard/tui/panes/MainContent.java
+++ b/src/be/nikiroo/jvcard/tui/panes/MainContent.java
@@ -1,5 +1,6 @@
 package be.nikiroo.jvcard.tui.panes;
 
+import java.io.IOException;
 import java.util.List;
 
 import be.nikiroo.jvcard.tui.KeyAction;
@@ -30,12 +31,28 @@ abstract public class MainContent extends Panel {
 	}
 
 	/**
-	 * The title to display instead of the application name, or NULL for the
+	 * The kind of data displayed by this {@link MainContent}.
+	 * 
+	 * @return the kind of data displayed
+	 */
+	abstract public KeyAction.DataType getDataType();
+
+	/**
+	 * Returns the list of actions and the keys that are bound to it.
+	 * 
+	 * @return the list of actions
+	 */
+	abstract public List<KeyAction> getKeyBindings();
+
+	/**
+	 * The title to display in addition to the application name, or NULL for the
 	 * default application name.
 	 * 
 	 * @return the title or NULL
 	 */
-	abstract public String getTitle();
+	public String getTitle() {
+		return null;
+	}
 
 	/**
 	 * Returns an error message ready to be displayed if we should ask something
@@ -43,39 +60,54 @@ abstract public class MainContent extends Panel {
 	 * 
 	 * @return an error message or NULL
 	 */
-	abstract public String getExitWarning();
+	public String getExitWarning() {
+		return null;
+	}
 
 	/**
-	 * The {@link KeyAction#Mode} that links to this {@link MainContent}.
+	 * Move the active cursor (not the text cursor, but the currently active
+	 * item).
+	 * 
+	 * @param x
+	 *            the horizontal move (&lt; 0 for left, &gt; 0 for right)
+	 * @param y
+	 *            the vertical move (&lt; 0 for up, &gt; 0 for down)
 	 * 
-	 * @return the linked mode
+	 * @return the error message to display if any
 	 */
-	abstract public KeyAction.Mode getMode();
+	public String move(int x, int y) {
+		return null;
+	}
 
 	/**
-	 * The kind of data displayed by this {@link MainContent}.
+	 * Return the number of items in this {@link MainContent}, or -1 if this
+	 * {@link MainContent} is not countable.
 	 * 
-	 * @return the kind of data displayed
+	 * @return -1 or the number of present items
 	 */
-	abstract public KeyAction.DataType getDataType();
+	public int getCount() {
+		return -1;
+	}
 
 	/**
-	 * Returns the list of actions and the keys that are bound to it.
-	 * 
-	 * @return the list of actions
+	 * Refresh the display according to the actual data (this method should be
+	 * called when the data changed).
 	 */
-	abstract public List<KeyAction> getKeyBindings();
+	public void refreshData() {
+		invalidate();
+	}
 
 	/**
-	 * Move the active cursor (not the text cursor, but the currently active
-	 * item).
+	 * Wake up call when the content is popped-back into view. You should call
+	 * this method when you exit a previous content and come back to this one.
 	 * 
-	 * @param x
-	 *            the horizontal move (&lt; 0 for left, &gt; 0 for right)
-	 * @param y
-	 *            the vertical move (&lt; 0 for up, &gt; 0 for down)
+	 * @return a message to display, or NULL
 	 * 
-	 * @return the error message to display if any
+	 * @throws IOException
+	 *             in case of error (the message of the {@link IOException} will
+	 *             be displayed to the user)
 	 */
-	abstract public String move(int x, int y);
+	public String wakeup() throws IOException {
+		return null;
+	}
 }