Add color icons to label list #21

Author: junichi11

src/main/java/com/junichi11/netbeans/modules/github/issues/ui/AttributesListCellRenderer.java

@@ -94,6 +94,7 @@ public Component getListCellRendererComponent(JList<?> list, Object value, int i
         } else if (value instanceof Label) {
             Label label = (Label) value;
             text = label.getName();
+            icon = new ColorIcon(String.format("#%s", label.getColor())); // NOI18N
         }
         if (text == null) {
             text = " "; // NOI18N

src/main/java/com/junichi11/netbeans/modules/github/issues/ui/ColorIcon.java

@@ -0,0 +1,95 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2015 Oracle and/or its affiliates. All rights reserved.
+ *
+ * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
+ * Other names may be trademarks of their respective owners.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common
+ * Development and Distribution License("CDDL") (collectively, the
+ * "License"). You may not use this file except in compliance with the
+ * License. You can obtain a copy of the License at
+ * http://www.netbeans.org/cddl-gplv2.html
+ * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
+ * specific language governing permissions and limitations under the
+ * License.  When distributing the software, include this License Header
+ * Notice in each file and include the License file at
+ * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the GPL Version 2 section of the License file that
+ * accompanied this code. If applicable, add the following below the
+ * License Header, with the fields enclosed by brackets [] replaced by
+ * your own identifying information:
+ * "Portions Copyrighted [year] [name of copyright owner]"
+ *
+ * If you wish your version of this file to be governed by only the CDDL
+ * or only the GPL Version 2, indicate your decision by adding
+ * "[Contributor] elects to include this software in this distribution
+ * under the [CDDL or GPL Version 2] license." If you do not indicate a
+ * single choice of license, a recipient has the option to distribute
+ * your version of this file under either the CDDL, the GPL Version 2 or
+ * to extend the choice of license to its licensees as provided above.
+ * However, if you add GPL Version 2 code and therefore, elected the GPL
+ * Version 2 license, then the option applies only if the new code is
+ * made subject to such option by the copyright holder.
+ *
+ * Contributor(s):
+ *
+ * Portions Copyrighted 2015 Sun Microsystems, Inc.
+ */
+package com.junichi11.netbeans.modules.github.issues.ui;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import javax.swing.Icon;
+
+/**
+ *
+ * @author junichi11
+ */
+final class ColorIcon implements Icon {
+
+    private final int width;
+    private final int height;
+
+    private final String color;
+
+    public ColorIcon(String color) {
+        this(16, 16, color);
+    }
+
+    public ColorIcon(int width, int height, String color) {
+        this.width = width;
+        this.height = height;
+        this.color = color;
+    }
+
+    @Override
+    public void paintIcon(Component component, Graphics g, int x, int y) {
+        int h = component.getHeight();
+        int defaultSize = h - y * 2;
+        Graphics2D g2d = (Graphics2D) g.create();
+        g2d.setColor(Color.decode(color));
+        if (defaultSize < height) {
+            g2d.fillRect(x, y, width, height);
+        } else {
+            g2d.fillRect(x, y, defaultSize, defaultSize);
+        }
+        g2d.dispose();
+    }
+
+    @Override
+    public int getIconWidth() {
+        return width;
+    }
+
+    @Override
+    public int getIconHeight() {
+        return height;
+    }
+
+}