Start splitting into maven modules

1 files changed, 187 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/gui/panels/SliderInputPanel.java b/base/src/main/java/bjc/utils/gui/panels/SliderInputPanel.java
new file mode 100644
index 0000000..e6a6da4
--- /dev/null
+++ b/base/src/main/java/bjc/utils/gui/panels/SliderInputPanel.java
@@ -0,0 +1,187 @@
+package bjc.utils.gui.panels;
+
+import java.text.ParseException;
+import java.util.function.Consumer;
+
+import javax.swing.JFormattedTextField;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+
+import bjc.utils.gui.layout.HLayout;
+
+/**
+ * A simple input panel for a slider-controlled value and a manual-input field
+ * for setting the slider
+ *
+ * @author ben
+ *
+ */
+public class SliderInputPanel extends JPanel {
+	private final class NumberFormatter extends JFormattedTextField.AbstractFormatter {
+		private static final long serialVersionUID = -4448291795913908270L;
+
+		private final int	minValue;
+		private final int	maxValue;
+
+		private final int initValue;
+
+		public NumberFormatter(final SliderSettings settings) {
+			minValue = settings.minValue;
+			maxValue = settings.maxValue;
+
+			initValue = settings.initValue;
+		}
+
+		@Override
+		public Object stringToValue(final String text) throws ParseException {
+			try {
+				final int val = Integer.parseInt(text);
+
+				if (val < minValue)
+					throw new ParseException("Value must be greater than " + minValue, 0);
+				else if (val > maxValue)
+					throw new ParseException("Value must be smaller than " + maxValue, 0);
+				else return val;
+			} catch (final NumberFormatException nfex) {
+				final ParseException pex = new ParseException("Value must be a valid integer", 0);
+
+				pex.initCause(nfex);
+
+				throw pex;
+			}
+		}
+
+		@Override
+		public String valueToString(final Object value) throws ParseException {
+			if (value == null) return Integer.toString(initValue);
+
+			return Integer.toString((Integer) value);
+		}
+	}
+
+	/**
+	 * Represents the settings for a slider
+	 *
+	 * @author ben
+	 *
+	 */
+	public static class SliderSettings {
+		/**
+		 * The minimum value of the slider
+		 */
+		public final int	minValue;
+		/**
+		 * The maximum value of the slider
+		 */
+		public final int	maxValue;
+
+		/**
+		 * The initial value of the slider
+		 */
+		public final int initValue;
+
+		/**
+		 * Create a new slider settings, with the initial value in the
+		 * middle
+		 *
+		 * @param min
+		 *                The minimum value of the slider
+		 * @param max
+		 *                The maximum value of the slider
+		 */
+		public SliderSettings(final int min, final int max) {
+			this(min, max, (min + max) / 2);
+		}
+
+		/**
+		 * Create a new set of slider sttings
+		 *
+		 * @param min
+		 *                The minimum slider value
+		 * @param max
+		 *                The maximum slider value
+		 * @param init
+		 *                Th initial slider value
+		 */
+		public SliderSettings(final int min, final int max, final int init) {
+			minValue = min;
+			maxValue = max;
+
+			initValue = init;
+		}
+	}
+
+	private static final long		serialVersionUID	= 2956394160569961404L;
+	private final JSlider			slider;
+	private final JFormattedTextField	field;
+
+	/**
+	 * Create a new slider input panel
+	 *
+	 * @param lab
+	 *                The label for the field
+	 * @param settings
+	 *                The settings for slider values
+	 * @param majorTick
+	 *                The setting for where to place big ticks
+	 * @param minorTick
+	 *                The setting for where to place small ticks
+	 * @param action
+	 *                The action to execute for a given value
+	 */
+	public SliderInputPanel(final String lab, final SliderSettings settings, final int majorTick,
+			final int minorTick, final Consumer<Integer> action) {
+		setLayout(new HLayout(3));
+
+		final JLabel label = new JLabel(lab);
+
+		slider = new JSlider(settings.minValue, settings.maxValue, settings.initValue);
+		field = new JFormattedTextField(new NumberFormatter(settings));
+
+		slider.setMajorTickSpacing(majorTick);
+		slider.setMinorTickSpacing(minorTick);
+		slider.setPaintTicks(true);
+		slider.setPaintLabels(true);
+
+		slider.addChangeListener((event) -> {
+			if (slider.getValueIsAdjusting()) {
+				// Do nothing
+			} else {
+				final int val = slider.getValue();
+
+				field.setValue(val);
+
+				action.accept(val);
+			}
+		});
+
+		field.setFocusLostBehavior(JFormattedTextField.COMMIT_OR_REVERT);
+		field.setColumns(15);
+		field.addPropertyChangeListener("value", (event) -> {
+			final Object value = field.getValue();
+
+			if (value == null) {
+				// Do nothing
+			} else {
+				slider.setValue((Integer) value);
+			}
+		});
+
+		add(label);
+		add(slider);
+		add(field);
+	}
+
+	/**
+	 * Reset the values in this panel to a specified value
+	 *
+	 * @param value
+	 *                The value to reset the fields to
+	 */
+	public void resetValues(final int value) {
+		slider.setValue(value);
+
+		field.setValue(value);
+	}
+}