+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3. Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ * Copyright (C) 2015 Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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 Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+
+/**
+ * TProgressBar implements a simple progress bar.
+ */
+public final class TProgressBar extends TWidget {
+
+ /**
+ * Value that corresponds to 0% progress.
+ */
+ private int minValue = 0;
+
+ /**
+ * Get the value that corresponds to 0% progress.
+ *
+ * @return the value that corresponds to 0% progress
+ */
+ public int getMinValue() {
+ return minValue;
+ }
+
+ /**
+ * Set the value that corresponds to 0% progress.
+ *
+ * @param minValue the value that corresponds to 0% progress
+ */
+ public void setMinValue(final int minValue) {
+ this.minValue = minValue;
+ }
+
+ /**
+ * Value that corresponds to 100% progress.
+ */
+ private int maxValue = 100;
+
+ /**
+ * Get the value that corresponds to 100% progress.
+ *
+ * @return the value that corresponds to 100% progress
+ */
+ public int getMaxValue() {
+ return maxValue;
+ }
+
+ /**
+ * Set the value that corresponds to 100% progress.
+ *
+ * @param maxValue the value that corresponds to 100% progress
+ */
+ public void setMaxValue(final int maxValue) {
+ this.maxValue = maxValue;
+ }
+
+ /**
+ * Current value of the progress.
+ */
+ private int value = 0;
+
+ /**
+ * Get the current value of the progress.
+ *
+ * @return the current value of the progress
+ */
+ public int getValue() {
+ return value;
+ }
+
+ /**
+ * Set the current value of the progress.
+ *
+ * @param value the current value of the progress
+ */
+ public void setValue(final int value) {
+ this.value = value;
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of progress bar
+ * @param value initial value of percent complete
+ */
+ public TProgressBar(final TWidget parent, final int x, final int y,
+ final int width, final int value) {
+
+ // Set parent and window
+ super(parent, false);
+
+ setX(x);
+ setY(y);
+ setHeight(1);
+ setWidth(width);
+ this.value = value;
+ }
+
+ /**
+ * Draw a static progress bar.
+ */
+ @Override
+ public void draw() {
+ CellAttributes completeColor = getTheme().getColor("tprogressbar.complete");
+ CellAttributes incompleteColor = getTheme().getColor("tprogressbar.incomplete");
+
+ float progress = ((float)value - minValue) / ((float)maxValue - minValue);
+ int progressInt = (int)(progress * 100);
+ int progressUnit = 100 / (getWidth() - 2);
+
+ getScreen().putCharXY(0, 0, GraphicsChars.CP437[0xC3], incompleteColor);
+ for (int i = 0; i < getWidth() - 2; i++) {
+ float iProgress = (float)i / (getWidth() - 2);
+ int iProgressInt = (int)(iProgress * 100);
+ if (iProgressInt <= progressInt - progressUnit) {
+ getScreen().putCharXY(i + 1, 0, GraphicsChars.BOX,
+ completeColor);
+ } else {
+ getScreen().putCharXY(i + 1, 0, GraphicsChars.SINGLE_BAR,
+ incompleteColor);
+ }
+ }
+ if (value >= maxValue) {
+ getScreen().putCharXY(getWidth() - 2, 0, GraphicsChars.BOX,
+ completeColor);
+ } else {
+ getScreen().putCharXY(getWidth() - 2, 0, GraphicsChars.SINGLE_BAR,
+ incompleteColor);
+ }
+ getScreen().putCharXY(getWidth() - 1, 0, GraphicsChars.CP437[0xB4],
+ incompleteColor);
+ }
+
+}