+++ /dev/null
-/**
- * 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;
-
-/**
- * TRadioGroup is a collection of TRadioButtons with a box and label.
- */
-public final class TRadioGroup extends TWidget {
-
- /**
- * Label for this radio button group.
- */
- private String label;
-
- /**
- * Only one of my children can be selected.
- */
- private TRadioButton selectedButton = null;
-
- /**
- * Get the radio button ID that was selected.
- *
- * @return ID of the selected button, or 0 if no button is selected
- */
- public int getSelected() {
- if (selectedButton == null) {
- return 0;
- }
- return selectedButton.getId();
- }
-
- /**
- * Set the new selected radio button. Note package private access.
- *
- * @param button new button that became selected
- */
- void setSelected(final TRadioButton button) {
- assert (button.isSelected());
- if (selectedButton != null) {
- selectedButton.setSelected(false);
- }
- selectedButton = button;
- }
-
- /**
- * Public constructor.
- *
- * @param parent parent widget
- * @param x column relative to parent
- * @param y row relative to parent
- * @param label label to display on the group box
- */
- public TRadioGroup(final TWidget parent, final int x, final int y,
- final String label) {
-
- // Set parent and window
- super(parent, x, y, label.length() + 4, 2);
-
- this.label = label;
- }
-
- /**
- * Draw a radio button with label.
- */
- @Override
- public void draw() {
- CellAttributes radioGroupColor;
-
- if (isAbsoluteActive()) {
- radioGroupColor = getTheme().getColor("tradiogroup.active");
- } else {
- radioGroupColor = getTheme().getColor("tradiogroup.inactive");
- }
-
- getScreen().drawBox(0, 0, getWidth(), getHeight(),
- radioGroupColor, radioGroupColor, 3, false);
-
- getScreen().hLineXY(1, 0, label.length() + 2, ' ', radioGroupColor);
- getScreen().putStringXY(2, 0, label, radioGroupColor);
- }
-
- /**
- * Convenience function to add a radio button to this group.
- *
- * @param label label to display next to (right of) the radiobutton
- * @return the new radio button
- */
- public TRadioButton addRadioButton(final String label) {
- int buttonX = 1;
- int buttonY = getChildren().size() + 1;
- if (label.length() + 4 > getWidth()) {
- setWidth(label.length() + 7);
- }
- setHeight(getChildren().size() + 3);
- return new TRadioButton(this, buttonX, buttonY, label,
- getChildren().size() + 1);
- }
-
-}