Add panel for component information.

diff --git a/src/main/java/net/pterodactylus/sonitus/gui/ComponentInfoPanel.java b/src/main/java/net/pterodactylus/sonitus/gui/ComponentInfoPanel.java
new file mode 100644 (file)
index 0000000..cd0b9e2
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sonitus/gui/ComponentInfoPanel.java
@@ -0,0 +1,183 @@
+/*
+ * Sonitus - ComponentInfoPanel.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sonitus.gui;
+
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import net.pterodactylus.sonitus.data.Controlled;
+import net.pterodactylus.sonitus.data.Controller;
+import net.pterodactylus.sonitus.data.FormatMetadata;
+import net.pterodactylus.sonitus.data.controller.Fader;
+import net.pterodactylus.sonitus.data.controller.Knob;
+import net.pterodactylus.sonitus.data.controller.Switch;
+
+import com.google.common.base.Optional;
+
+/**
+ * Panel that shows information about a {@link Controlled} component.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ComponentInfoPanel extends JPanel {
+
+       /** The name of the component. */
+       private final JLabel headerLabel = new JLabel();
+
+       /** The number of received input bytes. */
+       private final JLabel inputLabel = new JLabel();
+
+       /** The number of sent output bytes. */
+       private final JLabel outputLabel = new JLabel();
+
+       /** The current format metadata. */
+       private final JLabel formatLabel = new JLabel();
+
+       /**
+        * Creates a new component info panel.
+        *
+        * @param controlled
+        *              The component to display
+        */
+       public ComponentInfoPanel(Controlled controlled) {
+               super(new GridBagLayout());
+
+               setPreferredSize(new Dimension(400, 0));
+               createPanel(controlled);
+       }
+
+       //
+       // ACTIONS
+       //
+
+       /**
+        * Sets the number of received input bytes.
+        *
+        * @param input
+        *              The number of received input bytes
+        * @return This panel
+        */
+       public ComponentInfoPanel input(Optional<Long> input) {
+               if (input.isPresent()) {
+                       inputLabel.setText(format(input.get()));
+               } else {
+                       inputLabel.setText("");
+               }
+               return this;
+       }
+
+       /**
+        * Sets the number of sent output bytes.
+        *
+        * @param output
+        *              The number of sent output input bytes
+        * @return This panel
+        */
+       public ComponentInfoPanel output(Optional<Long> output) {
+               if (output.isPresent()) {
+                       outputLabel.setText(format(output.get()));
+               } else {
+                       outputLabel.setText("");
+               }
+               return this;
+       }
+
+       /**
+        * Sets the current format metadata.
+        *
+        * @param metadata
+        *              The format metadata
+        * @return This panel
+        */
+       public ComponentInfoPanel format(Optional<FormatMetadata> metadata) {
+               if (metadata.isPresent()) {
+                       formatLabel.setText(metadata.get().toString());
+               } else {
+                       formatLabel.setText("");
+               }
+               return this;
+       }
+
+       //
+       // PRIVATE METHODS
+       //
+
+       /**
+        * Creates the panel for the given controlled component.
+        *
+        * @param controlled
+        *              The controlled component
+        */
+       private void createPanel(Controlled controlled) {
+               setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
+
+               headerLabel.setText(controlled.name());
+               headerLabel.setFont(headerLabel.getFont().deriveFont(Font.BOLD));
+
+               int line = 0;
+               add(headerLabel, new GridBagConstraints(0, line++, 2, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
+               add(new JLabel("Input"), new GridBagConstraints(0, line, 1, 1, 0, 0, GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(18, 0, 0, 0), 0, 0));
+               add(inputLabel, new GridBagConstraints(1, line++, 1, 1, 1.0, 0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(18, 6, 0, 0), 0, 0));
+               add(new JLabel("Output"), new GridBagConstraints(0, line, 1, 1, 0, 0, GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(6, 0, 0, 0), 0, 0));
+               add(outputLabel, new GridBagConstraints(1, line++, 1, 1, 1.0, 0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 6, 0, 0), 0, 0));
+               add(new JLabel("Format"), new GridBagConstraints(0, line, 1, 1, 0, 0, GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(6, 0, 0, 0), 0, 0));
+               add(formatLabel, new GridBagConstraints(1, line++, 1, 1, 1.0, 0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 6, 0, 0), 0, 0));
+
+               /* add the controllers. */
+               for (Controller<?> controller : controlled.controllers()) {
+                       add(new JLabel(controller.name()), new GridBagConstraints(0, line, 1, 1, 0.0, 0.0, GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(6, 0, 0, 6), 0, 0));
+                       if (controller instanceof Fader) {
+                               add(new FaderPanel((Fader) controller), new GridBagConstraints(1, line++, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 0, 0, 0), 0, 0));
+                       } else if (controller instanceof Switch) {
+                               add(new SwitchPanel((Switch) controller), new GridBagConstraints(1, line++, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 0, 0, 0), 0, 0));
+                       } else if (controller instanceof Knob) {
+                               add(new KnobPanel((Knob) controller), new GridBagConstraints(1, line++, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 0, 0, 0), 0, 0));
+                       }
+               }
+
+               add(Box.createVerticalGlue(), new GridBagConstraints(1, line++, 2, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(6, 6, 0, 0), 0, 0));
+       }
+
+       /**
+        * Formats the number using SI prefixes so that a maximum of 3 digits are
+        * shown.
+        *
+        * @param number
+        *              The number to format
+        * @return The formatted number
+        */
+       private static String format(long number) {
+               String[] prefixes = { "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei" };
+               double shortenedNumber = number;
+               for (String prefix : prefixes) {
+                       if (shortenedNumber < 1000) {
+                               return String.format("%.1f %sB", shortenedNumber, prefix);
+                       }
+                       shortenedNumber /= 1024;
+               }
+               return String.format("%.1e B", (double) number);
+       }
+
+}