components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/HintTextField.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/HintTextField.java Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,250 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.swing;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.text.Document;
+import com.oracle.solaris.vp.util.misc.finder.Finder;
+import com.oracle.solaris.vp.util.swing.layout.*;
+
+@SuppressWarnings({"serial"})
+public class HintTextField extends JTextField implements FocusListener {
+ //
+ // Static data
+ //
+
+ public static final ImageIcon ICON_FIND =
+ Finder.getIcon("images/textfield/find.png");
+
+ //
+ // Instance data
+ //
+
+ private String hint;
+ private Icon icon;
+ private int iconTextGap;
+ private int horizontalAlignment;
+
+ private Rectangle iconR = new Rectangle();
+ private Rectangle textR = new Rectangle();
+ private Rectangle viewR = new Rectangle();
+
+ //
+ // Constructors
+ //
+
+ public HintTextField() {
+ init();
+ }
+
+ public HintTextField(Document doc, String text, int columns) {
+ super(doc, text, columns);
+ init();
+ }
+
+ public HintTextField(int columns) {
+ super(columns);
+ init();
+ }
+
+ public HintTextField(String text) {
+ super(text);
+ init();
+ }
+
+ public HintTextField(String text, int columns) {
+ super(text, columns);
+ init();
+ }
+
+ //
+ // FocusListener methods
+ //
+
+ @Override
+ public synchronized void focusGained(FocusEvent e) {
+ repaint();
+ }
+
+ @Override
+ public synchronized void focusLost(FocusEvent e) {
+ repaint();
+ }
+
+ //
+ // JComponent methods
+ //
+
+ @Override
+ protected void paintComponent(Graphics g) {
+ super.paintComponent(g);
+
+ Icon icon = getHintIcon();
+ String hint = getHintText();
+
+ // Display hint only if...
+ if (!isFocusOwner() && getText().isEmpty() &&
+ (icon != null || (hint != null && !hint.isEmpty()))) {
+
+ Insets insets = getInsets();
+ FontMetrics metrics = getFontMetrics(getFont());
+
+ int gap = getIconTextGap();
+ if (gap < 0) {
+ gap = metrics.charWidth('e');
+ }
+
+ int horizontalAlignment = getHintHorizontalAlignment();
+
+ viewR.x = insets.left;
+ viewR.y = insets.top;
+ viewR.width = getWidth() - (insets.left + insets.right);
+ viewR.height = getHeight() - (insets.top + insets.bottom);
+ iconR.x = iconR.y = iconR.width = iconR.height = 0;
+ textR.x = textR.y = textR.width = textR.height = 0;
+
+ String clippedHint = SwingUtilities.layoutCompoundLabel(
+ this, metrics, hint, icon, SwingConstants.CENTER,
+ horizontalAlignment, SwingConstants.CENTER,
+ SwingConstants.RIGHT, viewR, iconR, textR, gap);
+
+ if (clippedHint != null) {
+ // Turn on anti-aliasing if appropriate
+ GUIUtil.setAARendering((Graphics2D)g);
+
+ g.setColor(UIManager.getColor("TextField.inactiveForeground"));
+ g.drawString(clippedHint, textR.x,
+ textR.y + metrics.getAscent());
+ }
+
+ if (icon != null) {
+ icon.paintIcon(this, g, iconR.x, iconR.y);
+ }
+ }
+ }
+
+ //
+ // HintTextField methods
+ //
+
+ public String getHintText() {
+ return hint;
+ }
+
+ public void setHintText(String hint) {
+ this.hint = hint;
+ repaint();
+ }
+
+ public Icon getHintIcon() {
+ return icon;
+ }
+
+ public void setHintIcon(Icon icon) {
+ this.icon = icon;
+ repaint();
+ }
+
+ public int getIconTextGap() {
+ return iconTextGap;
+ }
+
+ public void setIconTextGap(int iconTextGap) {
+ this.iconTextGap = iconTextGap;
+ repaint();
+ }
+
+ public int getHintHorizontalAlignment() {
+ return horizontalAlignment;
+ }
+
+ public void setHintHorizontalAlignment(int horizontalAlignment) {
+ this.horizontalAlignment = horizontalAlignment;
+ repaint();
+ }
+
+ //
+ // Private methods
+ //
+
+ private void init() {
+ setIconTextGap(4);
+ setHintHorizontalAlignment(getHorizontalAlignment());
+ setBackground(Color.white);
+ addFocusListener(this);
+ }
+
+ //
+ // Static methods
+ //
+
+ public static void main(String[] args) {
+ HintTextField field = new HintTextField();
+ field.setHintText("icon and text");
+ field.setHintIcon(ICON_FIND);
+
+ HintTextField field2 = new HintTextField();
+ field2.setHintText("text only");
+ field2.setHintIcon(null);
+ field2.setColumns(12);
+
+ HintTextField field3 = new HintTextField();
+ field3.setHintText("opaque");
+ field3.setHintIcon(null);
+ field3.setColumns(12);
+ field3.setOpaque(false);
+
+ HintTextField field4 = new HintTextField();
+ field4.setHintText("centered");
+ field4.setHintIcon(null);
+ field4.setColumns(12);
+ field4.setHintHorizontalAlignment(SwingConstants.CENTER);
+
+ HintTextField field5 = new HintTextField();
+ field5.setHintText("right");
+ field5.setHintIcon(null);
+ field5.setColumns(12);
+ field5.setHintHorizontalAlignment(SwingConstants.RIGHT);
+
+ JPanel panel = new JPanel(new ColumnLayout(VerticalAnchor.FILL));
+ panel.setBorder(GUIUtil.getEmptyBorder());
+
+ ColumnLayoutConstraint c = new ColumnLayoutConstraint(
+ HorizontalAnchor.FILL, GUIUtil.getGap(), 1);
+ panel.add(field, c);
+ panel.add(field2, c);
+ panel.add(field3, c);
+ panel.add(field4, c);
+ panel.add(field5, c);
+
+ JFrame frame = new JFrame();
+ frame.getContentPane().add(panel);
+ frame.pack();
+ frame.setVisible(true);
+ }
+}