From f263dd53d355be86e5845b53d09b037bbcdc72cd Mon Sep 17 00:00:00 2001
From: ray <ray@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Tue, 9 Jul 2002 17:48:23 +0000
Subject: [PATCH] moved in from other realms

git-svn-id: https://samskivert.googlecode.com/svn/trunk@791 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 .../com/samskivert/swing/JInternalDialog.java | 84 +++++++++++++++++++
 .../com/samskivert/swing/SafeScrollPane.java  | 27 ++++++
 2 files changed, 111 insertions(+)
 create mode 100644 projects/samskivert/src/java/com/samskivert/swing/JInternalDialog.java
 create mode 100644 projects/samskivert/src/java/com/samskivert/swing/SafeScrollPane.java

diff --git a/projects/samskivert/src/java/com/samskivert/swing/JInternalDialog.java b/projects/samskivert/src/java/com/samskivert/swing/JInternalDialog.java
new file mode 100644
index 00000000..88f1aa6d
--- /dev/null
+++ b/projects/samskivert/src/java/com/samskivert/swing/JInternalDialog.java
@@ -0,0 +1,84 @@
+//
+// $Id: JInternalDialog.java,v 1.1 2002/07/09 17:48:23 ray Exp $
+
+package com.samskivert.swing;
+
+import java.awt.Component;
+
+import javax.swing.JComponent;
+import javax.swing.JFrame;
+import javax.swing.JInternalFrame;
+import javax.swing.JLayeredPane;
+
+/**
+ * Used for displaying dialogs internally. Be sure to use {@link
+ * #showDialog} and {@link #dismissDialog} to show and hide these dialogs
+ * because they need to do some extra fiddling that the regular show and
+ * hide wouldn't do.
+ */
+public class JInternalDialog extends JInternalFrame
+{
+    /**
+     * Creates a dialog that will display itself in the layered pane of
+     * the frame that contains the supplied component.
+     */
+    public JInternalDialog (JComponent friend)
+    {
+        this(JLayeredPane.getLayeredPaneAbove(friend));
+    }
+
+    /**
+     * Creates a dialog that will display itself in the layered pane of
+     * the supplied frame.
+     */
+    public JInternalDialog (JFrame frame)
+    {
+        this(frame.getLayeredPane());
+    }
+
+    /**
+     * Creates a dialog that will display itself in the specified layered
+     * pane.
+     */
+    public JInternalDialog (JLayeredPane parent)
+    {
+        _parent = parent;
+    }
+
+    /**
+     * Adds this dialog to its parent and shows it.
+     */
+    public void showDialog ()
+    {
+        _parent.add(this, JLayeredPane.PALETTE_LAYER);
+        setVisible(true);
+    }
+
+    /**
+     * Hides this dialog and removes it from its parent.
+     */
+    public void dismissDialog ()
+    {
+        setVisible(false);
+        _parent.remove(this);
+    }
+
+    /**
+     * Scans up the interface hierarchy looking for the {@link
+     * JInternalDialog} that contains the supplied child component and
+     * dismisses it.
+     */
+    public static void dismissDialog (Component child)
+    {
+        if (child == null) {
+            return;
+        } else if (child instanceof JInternalDialog) {
+            ((JInternalDialog)child).dismissDialog();
+        } else {
+            dismissDialog(child.getParent());
+        }
+    }
+
+    /** Our parent. */
+    protected JLayeredPane _parent;
+}
diff --git a/projects/samskivert/src/java/com/samskivert/swing/SafeScrollPane.java b/projects/samskivert/src/java/com/samskivert/swing/SafeScrollPane.java
new file mode 100644
index 00000000..2c3606ba
--- /dev/null
+++ b/projects/samskivert/src/java/com/samskivert/swing/SafeScrollPane.java
@@ -0,0 +1,27 @@
+//
+// $Id: SafeScrollPane.java,v 1.1 2002/07/09 17:48:23 ray Exp $
+
+package com.samskivert.swing;
+
+import java.awt.Component;
+
+import javax.swing.JScrollPane;
+import javax.swing.JViewport;
+
+/**
+ * A scroll pane that is safe to use in frame managed views.
+ */
+public class SafeScrollPane extends JScrollPane
+{
+    public SafeScrollPane (Component view)
+    {
+        super(view);
+    }
+
+    protected JViewport createViewport ()
+    {
+        JViewport vp = new JViewport();
+        vp.setScrollMode(JViewport.SIMPLE_SCROLL_MODE);
+        return vp;
+    }
+}