X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTText.java;h=22bc4b89051d31e586a60b91a274b55d3292bade;hb=edcd53bbbba9f94e21f43fd03d3a2febcc2b1564;hp=c57e8846ace8b8ee160d250147333bd63723ab76;hpb=56661844475522242093c8858ceb20fb15589da5;p=nikiroo-utils.git diff --git a/src/jexer/TText.java b/src/jexer/TText.java deleted file mode 100644 index c57e884..0000000 --- a/src/jexer/TText.java +++ /dev/null @@ -1,379 +0,0 @@ -/* - * Jexer - Java Text User Interface - * - * The MIT License (MIT) - * - * Copyright (C) 2017 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 static jexer.TKeypress.kbDown; -import static jexer.TKeypress.kbEnd; -import static jexer.TKeypress.kbHome; -import static jexer.TKeypress.kbLeft; -import static jexer.TKeypress.kbPgDn; -import static jexer.TKeypress.kbPgUp; -import static jexer.TKeypress.kbRight; -import static jexer.TKeypress.kbUp; - -import java.util.LinkedList; -import java.util.List; - -import jexer.bits.CellAttributes; -import jexer.event.TKeypressEvent; -import jexer.event.TMouseEvent; - -/** - * TText implements a simple scrollable text area. It reflows automatically on - * resize. - */ -public final class TText extends TScrollableWidget { - - /** - * Available text justifications. - */ - public enum Justification { - /** - * Left-justified text. - */ - LEFT, - - /** - * Centered text. - */ - CENTER, - - /** - * Right-justified text. - */ - RIGHT, - - /** - * Fully-justified text. - */ - FULL, - } - - /** - * How to justify the text. - */ - private Justification justification = Justification.LEFT; - - /** - * Text to display. - */ - private String text; - - /** - * Text converted to lines. - */ - private List lines; - - /** - * Text color. - */ - private String colorKey; - - /** - * Maximum width of a single line. - */ - private int maxLineWidth; - - /** - * Number of lines between each paragraph. - */ - private int lineSpacing = 1; - - /** - * Set the text. - * - * @param text new text to display - */ - public void setText(final String text) { - this.text = text; - reflowData(); - } - - /** - * Get the text. - * - * @return the text - */ - public String getText() { - return text; - } - - /** - * Convenience method used by TWindowLoggerOutput. - * - * @param line new line to add - */ - public void addLine(final String line) { - if (text.length() == 0) { - text = line; - } else { - text += "\n\n"; - text += line; - } - reflowData(); - } - - /** - * Recompute the bounds for the scrollbars. - */ - private void computeBounds() { - maxLineWidth = 0; - for (String line : lines) { - if (line.length() > maxLineWidth) { - maxLineWidth = line.length(); - } - } - - vScroller.setTopValue(0); - vScroller.setBottomValue((lines.size() - getHeight()) + 1); - if (vScroller.getBottomValue() < 0) { - vScroller.setBottomValue(0); - } - if (vScroller.getValue() > vScroller.getBottomValue()) { - vScroller.setValue(vScroller.getBottomValue()); - } - - hScroller.setLeftValue(0); - hScroller.setRightValue((maxLineWidth - getWidth()) + 1); - if (hScroller.getRightValue() < 0) { - hScroller.setRightValue(0); - } - if (hScroller.getValue() > hScroller.getRightValue()) { - hScroller.setValue(hScroller.getRightValue()); - } - } - - /** - * Set justification. - * - * @param justification LEFT, CENTER, RIGHT, or FULL - */ - public void setJustification(final Justification justification) { - this.justification = justification; - reflowData(); - } - - /** - * Left-justify the text. - */ - public void leftJustify() { - justification = Justification.LEFT; - reflowData(); - } - - /** - * Center-justify the text. - */ - public void centerJustify() { - justification = Justification.CENTER; - reflowData(); - } - - /** - * Right-justify the text. - */ - public void rightJustify() { - justification = Justification.RIGHT; - reflowData(); - } - - /** - * Fully-justify the text. - */ - public void fullJustify() { - justification = Justification.FULL; - reflowData(); - } - - /** - * Resize text and scrollbars for a new width/height. - */ - @Override - public void reflowData() { - // Reset the lines - lines.clear(); - - // Break up text into paragraphs - String[] paragraphs = text.split("\n\n"); - for (String p : paragraphs) { - switch (justification) { - case LEFT: - lines.addAll(jexer.bits.StringJustifier.left(p, - getWidth() - 1)); - break; - case CENTER: - lines.addAll(jexer.bits.StringJustifier.center(p, - getWidth() - 1)); - break; - case RIGHT: - lines.addAll(jexer.bits.StringJustifier.right(p, - getWidth() - 1)); - break; - case FULL: - lines.addAll(jexer.bits.StringJustifier.full(p, - getWidth() - 1)); - break; - } - - for (int i = 0; i < lineSpacing; i++) { - lines.add(""); - } - } - computeBounds(); - } - - /** - * Public constructor. - * - * @param parent parent widget - * @param text text on the screen - * @param x column relative to parent - * @param y row relative to parent - * @param width width of text area - * @param height height of text area - */ - public TText(final TWidget parent, final String text, final int x, - final int y, final int width, final int height) { - - this(parent, text, x, y, width, height, "ttext"); - } - - /** - * Public constructor. - * - * @param parent parent widget - * @param text text on the screen - * @param x column relative to parent - * @param y row relative to parent - * @param width width of text area - * @param height height of text area - * @param colorKey ColorTheme key color to use for foreground - * text. Default is "ttext". - */ - public TText(final TWidget parent, final String text, final int x, - final int y, final int width, final int height, - final String colorKey) { - - // Set parent and window - super(parent, x, y, width, height); - - this.text = text; - this.colorKey = colorKey; - - lines = new LinkedList(); - - vScroller = new TVScroller(this, getWidth() - 1, 0, getHeight() - 1); - hScroller = new THScroller(this, 0, getHeight() - 1, getWidth() - 1); - reflowData(); - } - - /** - * Draw the text box. - */ - @Override - public void draw() { - // Setup my color - CellAttributes color = getTheme().getColor(colorKey); - - int begin = vScroller.getValue(); - int topY = 0; - for (int i = begin; i < lines.size(); i++) { - String line = lines.get(i); - if (hScroller.getValue() < line.length()) { - line = line.substring(hScroller.getValue()); - } else { - line = ""; - } - String formatString = "%-" + Integer.toString(getWidth() - 1) + "s"; - getScreen().putStringXY(0, topY, String.format(formatString, line), - color); - topY++; - - if (topY >= (getHeight() - 1)) { - break; - } - } - - // Pad the rest with blank lines - for (int i = topY; i < (getHeight() - 1); i++) { - getScreen().hLineXY(0, i, getWidth() - 1, ' ', color); - } - - } - - /** - * Handle mouse press events. - * - * @param mouse mouse button press event - */ - @Override - public void onMouseDown(final TMouseEvent mouse) { - if (mouse.isMouseWheelUp()) { - vScroller.decrement(); - return; - } - if (mouse.isMouseWheelDown()) { - vScroller.increment(); - return; - } - - // Pass to children - super.onMouseDown(mouse); - } - - /** - * Handle keystrokes. - * - * @param keypress keystroke event - */ - @Override - public void onKeypress(final TKeypressEvent keypress) { - if (keypress.equals(kbLeft)) { - hScroller.decrement(); - } else if (keypress.equals(kbRight)) { - hScroller.increment(); - } else if (keypress.equals(kbUp)) { - vScroller.decrement(); - } else if (keypress.equals(kbDown)) { - vScroller.increment(); - } else if (keypress.equals(kbPgUp)) { - vScroller.bigDecrement(); - } else if (keypress.equals(kbPgDn)) { - vScroller.bigIncrement(); - } else if (keypress.equals(kbHome)) { - vScroller.toTop(); - } else if (keypress.equals(kbEnd)) { - vScroller.toBottom(); - } else { - // Pass other keys (tab etc.) on - super.onKeypress(keypress); - } - } - -}