+++ /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.layout;
-
-import java.util.ArrayList;
-
-import jexer.TWidget;
-import jexer.event.TResizeEvent;
-
-/**
- * BoxLayoutManager repositions child widgets based on the order they are
- * added to the parent widget and desired orientation.
- */
-public class BoxLayoutManager implements LayoutManager {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * If true, orient vertically. If false, orient horizontally.
- */
- private boolean vertical = true;
-
- /**
- * Current width.
- */
- private int width = 0;
-
- /**
- * Current height.
- */
- private int height = 0;
-
- /**
- * Widgets being managed.
- */
- private ArrayList<TWidget> children = new ArrayList<TWidget>();
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor.
- *
- * @param width the width of the parent widget
- * @param height the height of the parent widget
- * @param vertical if true, arrange widgets vertically
- */
- public BoxLayoutManager(final int width, final int height,
- final boolean vertical) {
-
- this.width = width;
- this.height = height;
- this.vertical = vertical;
- }
-
- // ------------------------------------------------------------------------
- // LayoutManager ----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Process the parent widget's resize event, and resize/reposition child
- * widgets.
- *
- * @param resize resize event
- */
- public void onResize(final TResizeEvent resize) {
- if (resize.getType() == TResizeEvent.Type.WIDGET) {
- width = resize.getWidth();
- height = resize.getHeight();
- layoutChildren();
- }
- }
-
- /**
- * Add a child widget to manage.
- *
- * @param child the widget to manage
- */
- public void add(final TWidget child) {
- children.add(child);
- layoutChildren();
- }
-
- /**
- * Remove a child widget from those managed by this LayoutManager.
- *
- * @param child the widget to remove
- */
- public void remove(final TWidget child) {
- children.remove(child);
- layoutChildren();
- }
-
- /**
- * Reset a child widget's original/preferred size.
- *
- * @param child the widget to manage
- */
- public void resetSize(final TWidget child) {
- // NOP
- }
-
- // ------------------------------------------------------------------------
- // BoxLayoutManager -------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Resize/reposition child widgets based on horizontal/vertical
- * arrangement.
- */
- private void layoutChildren() {
- if (children.size() == 0) {
- return;
- }
- if (vertical) {
- int widgetHeight = Math.max(1, height / children.size());
- int leftoverHeight = height % children.size();
- for (int i = 0; i < children.size() - 1; i++) {
- TWidget child = children.get(i);
- child.setDimensions(child.getX(), i * widgetHeight,
- width, widgetHeight);
- }
- TWidget child = children.get(children.size() - 1);
- child.setDimensions(child.getX(),
- (children.size() - 1) * widgetHeight, width,
- widgetHeight + leftoverHeight);
- } else {
- int widgetWidth = Math.max(1, width / children.size());
- int leftoverWidth = width % children.size();
- for (int i = 0; i < children.size() - 1; i++) {
- TWidget child = children.get(i);
- child.setDimensions(i * widgetWidth, child.getY(),
- widgetWidth, height);
- }
- TWidget child = children.get(children.size() - 1);
- child.setDimensions((children.size() - 1) * widgetWidth,
- child.getY(), widgetWidth + leftoverWidth, height);
- }
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff