X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTDirectoryList.java;h=322ff5c4e5cb493f93cf356716117d2274156d26;hb=edcd53bbbba9f94e21f43fd03d3a2febcc2b1564;hp=3a09bf38bc74dc1dda026f4089dde593fee94a32;hpb=0d47c5460c8e9d1198928308767a63ad35f46eb8;p=nikiroo-utils.git diff --git a/src/jexer/TDirectoryList.java b/src/jexer/TDirectoryList.java deleted file mode 100644 index 3a09bf3..0000000 --- a/src/jexer/TDirectoryList.java +++ /dev/null @@ -1,313 +0,0 @@ -/** - * 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 java.io.File; -import java.util.ArrayList; -import java.util.List; - -import jexer.bits.CellAttributes; -import jexer.event.TKeypressEvent; -import jexer.event.TMouseEvent; -import static jexer.TKeypress.*; - -/** - * TDirectoryList shows the files within a directory. - */ -public class TDirectoryList extends TWidget { - - /** - * Files in the directory. - */ - private List files; - - /** - * Selected file. - */ - private int selectedFile = -1; - - /** - * Root path containing files to display. - */ - public File path; - - /** - * Vertical scrollbar. - */ - private TVScroller vScroller; - - /** - * Horizontal scrollbar. - */ - private THScroller hScroller; - - /** - * Maximum width of a single line. - */ - private int maxLineWidth; - - /** - * The action to perform when the user selects an item. - */ - private TAction action = null; - - /** - * Perform user selection action. - */ - public void dispatch() { - assert (selectedFile >= 0); - assert (selectedFile < files.size()); - if (action != null) { - action.DO(); - } - } - - /** - * Format one of the entries for drawing on the screen. - * - * @param index index into files - * @return the line to draw - */ - private String renderFile(int index) { - File file = files.get(index); - String name = file.getName(); - if (name.length() > 20) { - name = name.substring(0, 17) + "..."; - } - return String.format("%-20s %5dk", name, (file.length() / 1024)); - } - - /** - * Resize for a new width/height. - */ - public void reflow() { - - // Reset the lines - selectedFile = -1; - maxLineWidth = 0; - files.clear(); - - // Build a list of files in this directory - File [] newFiles = path.listFiles(); - for (int i = 0; i < newFiles.length; i++) { - if (newFiles[i].getName().startsWith(".")) { - continue; - } - if (newFiles[i].isDirectory()) { - continue; - } - files.add(newFiles[i]); - } - - for (int i = 0; i < files.size(); i++) { - String line = renderFile(i); - if (line.length() > maxLineWidth) { - maxLineWidth = line.length(); - } - } - - // Start at the top - if (vScroller == null) { - vScroller = new TVScroller(this, getWidth() - 1, 0, - getHeight() - 1); - } else { - vScroller.setX(getWidth() - 1); - vScroller.setHeight(getHeight() - 1); - } - vScroller.setBottomValue(files.size() - getHeight() - 1); - vScroller.setTopValue(0); - vScroller.setValue(0); - if (vScroller.getBottomValue() < 0) { - vScroller.setBottomValue(0); - } - vScroller.setBigChange(getHeight() - 1); - - // Start at the left - if (hScroller == null) { - hScroller = new THScroller(this, 0, getHeight() - 1, - getWidth() - 1); - } else { - hScroller.setY(getHeight() - 1); - hScroller.setWidth(getWidth() - 1); - } - hScroller.setRightValue(maxLineWidth - getWidth() + 1); - hScroller.setLeftValue(0); - hScroller.setValue(0); - if (hScroller.getRightValue() < 0) { - hScroller.setRightValue(0); - } - hScroller.setBigChange(getWidth() - 1); - } - - /** - * Public constructor. - * - * @param parent parent widget - * @param path directory path, must be a directory - * @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 TDirectoryList(final TWidget parent, final String path, final int x, - final int y, final int width, final int height) { - - this(parent, path, x, y, width, height, null); - } - - /** - * Public constructor. - * - * @param parent parent widget - * @param path directory path, must be a directory - * @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 action action to perform when an item is selected - */ - public TDirectoryList(final TWidget parent, final String path, final int x, - final int y, final int width, final int height, final TAction action) { - - this.path = new File(path); - this.action = action; - files = new ArrayList(); - reflow(); - } - - /** - * Draw the files list. - */ - @Override - public void draw() { - CellAttributes color = null; - int begin = vScroller.getValue(); - int topY = 0; - for (int i = begin; i < files.size() - 1; i++) { - String line = renderFile(i); - if (hScroller.getValue() < line.length()) { - line = line.substring(hScroller.getValue()); - } else { - line = ""; - } - if (i == selectedFile) { - color = getTheme().getColor("tdirectorylist.selected"); - } else if (isAbsoluteActive()) { - color = getTheme().getColor("tdirectorylist"); - } else { - color = getTheme().getColor("tdirectorylist.inactive"); - } - 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; - } - - if ((mouse.getX() < getWidth() - 1) - && (mouse.getY() < getHeight() - 1)) { - if (vScroller.getValue() + mouse.getY() < files.size()) { - selectedFile = vScroller.getValue() + mouse.getY(); - } - path = files.get(selectedFile); - dispatch(); - return; - } - - // Pass to children - super.onMouseDown(mouse); - } - - /** - * Handle mouse release events. - * - * @param mouse mouse button release event - */ - @Override - public void onMouseUp(final TMouseEvent mouse) { - // 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); - } - } - -}