+++ /dev/null
-/*
- * Jexer - Java Text User Interface
- *
- * The MIT License (MIT)
- *
- * Copyright (C) 2019 Kevin Lamonte
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * @author Kevin Lamonte [kevin.lamonte@gmail.com]
- * @version 1
- */
-package jexer;
-
-import jexer.bits.CellAttributes;
-import jexer.bits.StringUtils;
-
-/**
- * TRadioGroup is a collection of TRadioButtons with a box and label.
- */
-public class TRadioGroup extends TWidget {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Label for this radio button group.
- */
- private String label;
-
- /**
- * Only one of my children can be selected.
- */
- private TRadioButton selectedButton = null;
-
- /**
- * If true, one of the children MUST be selected. Note package private
- * access.
- */
- boolean requiresSelection = true;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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, StringUtils.width(label) + 4, 2);
-
- this.label = label;
- }
-
- // ------------------------------------------------------------------------
- // TWidget ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Override TWidget's width: we can only set width at construction time.
- *
- * @param width new widget width (ignored)
- */
- @Override
- public void setWidth(final int width) {
- // Do nothing
- }
-
- /**
- * Override TWidget's height: we can only set height at construction
- * time.
- *
- * @param height new widget height (ignored)
- */
- @Override
- public void setHeight(final int height) {
- // Do nothing
- }
-
- /**
- * 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");
- }
-
- drawBox(0, 0, getWidth(), getHeight(), radioGroupColor, radioGroupColor,
- 3, false);
-
- hLineXY(1, 0, StringUtils.width(label) + 2, ' ', radioGroupColor);
- putStringXY(2, 0, label, radioGroupColor);
- }
-
- // ------------------------------------------------------------------------
- // TRadioGroup ------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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 != button)) {
- selectedButton.setSelected(false);
- }
- selectedButton = button;
- }
-
- /**
- * Set the new selected radio button. 1-based.
- *
- * @param id ID of the selected button, or 0 to unselect
- */
- public void setSelected(final int id) {
- if ((id < 0) || (id > getChildren().size())) {
- return;
- }
-
- if (id == 0) {
- for (TWidget widget: getChildren()) {
- ((TRadioButton) widget).setSelected(false);
- }
- selectedButton = null;
- return;
- }
- assert ((id > 0) && (id <= getChildren().size()));
- TRadioButton button = (TRadioButton) (getChildren().get(id - 1));
- button.setSelected(true);
- selectedButton = button;
- }
-
- /**
- * 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 (StringUtils.width(label) + 4 > getWidth()) {
- super.setWidth(StringUtils.width(label) + 7);
- }
- super.setHeight(getChildren().size() + 3);
- TRadioButton button = new TRadioButton(this, buttonX, buttonY, label,
- getChildren().size() + 1);
-
- if (getParent().getLayoutManager() != null) {
- getParent().getLayoutManager().resetSize(this);
- }
-
- // Default to the first item on the list.
- activate(getChildren().get(0));
-
- return button;
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff