Support Gradle alongside SSJB

This makes builds faster, simpler and better automated but still keeps
Cuchaz happy. :)

1 files changed, 64 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/gui/BoxHighlightPainter.java b/src/cuchaz/enigma/gui/BoxHighlightPainter.java
new file mode 100644
index 0000000..e5e0557
--- /dev/null
+++ b/src/cuchaz/enigma/gui/BoxHighlightPainter.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Lesser General Public
+ * License v3.0 which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/lgpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.gui;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Rectangle;
+import java.awt.Shape;
+
+import javax.swing.text.BadLocationException;
+import javax.swing.text.Highlighter;
+import javax.swing.text.JTextComponent;
+
+public abstract class BoxHighlightPainter implements Highlighter.HighlightPainter {
+        
+        private Color m_fillColor;
+        private Color m_borderColor;
+        
+        protected BoxHighlightPainter(Color fillColor, Color borderColor) {
+                m_fillColor = fillColor;
+                m_borderColor = borderColor;
+        }
+        
+        @Override
+        public void paint(Graphics g, int start, int end, Shape shape, JTextComponent text) {
+                Rectangle bounds = getBounds(text, start, end);
+                
+                // fill the area
+                if (m_fillColor != null) {
+                        g.setColor(m_fillColor);
+                        g.fillRoundRect(bounds.x, bounds.y, bounds.width, bounds.height, 4, 4);
+                }
+                
+                // draw a box around the area
+                g.setColor(m_borderColor);
+                g.drawRoundRect(bounds.x, bounds.y, bounds.width, bounds.height, 4, 4);
+        }
+        
+        protected static Rectangle getBounds(JTextComponent text, int start, int end) {
+                try {
+                        // determine the bounds of the text
+                        Rectangle bounds = text.modelToView(start).union(text.modelToView(end));
+                        
+                        // adjust the box so it looks nice
+                        bounds.x -= 2;
+                        bounds.width += 2;
+                        bounds.y += 1;
+                        bounds.height -= 2;
+                        
+                        return bounds;
+                } catch (BadLocationException ex) {
+                        // don't care... just return something
+                        return new Rectangle(0, 0, 0, 0);
+                }
+        }
+}