+++ /dev/null
-/*
- * 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 java.io.File;
-import java.io.IOException;
-import java.util.Scanner;
-
-import jexer.TApplication;
-import jexer.TEditorWidget;
-import jexer.THScroller;
-import jexer.TScrollableWindow;
-import jexer.TVScroller;
-import jexer.TWidget;
-import jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.event.TCommandEvent;
-import jexer.event.TKeypressEvent;
-import jexer.event.TMouseEvent;
-import jexer.event.TResizeEvent;
-import static jexer.TCommand.*;
-import static jexer.TKeypress.*;
-
-/**
- * TEditorWindow is a basic text file editor.
- */
-public class TEditorWindow extends TScrollableWindow {
-
- /**
- * Hang onto my TEditor so I can resize it with the window.
- */
- private TEditorWidget editField;
-
- /**
- * The fully-qualified name of the file being edited.
- */
- private String filename = "";
-
- /**
- * Setup other fields after the editor is created.
- */
- private void setupAfterEditor() {
- hScroller = new THScroller(this, 17, getHeight() - 2, getWidth() - 20);
- vScroller = new TVScroller(this, getWidth() - 2, 0, getHeight() - 2);
- setMinimumWindowWidth(25);
- setMinimumWindowHeight(10);
- setTopValue(1);
- setBottomValue(editField.getMaximumRowNumber());
- setLeftValue(1);
- setRightValue(editField.getMaximumColumnNumber());
-
- statusBar = newStatusBar("Editor");
- statusBar.addShortcutKeypress(kbF1, cmHelp, "Help");
- statusBar.addShortcutKeypress(kbF2, cmSave, "Save");
- statusBar.addShortcutKeypress(kbF3, cmOpen, "Open");
- statusBar.addShortcutKeypress(kbF10, cmMenu, "Menu");
- }
-
- /**
- * Public constructor sets window title.
- *
- * @param parent the main application
- * @param title the window title
- */
- public TEditorWindow(final TApplication parent, final String title) {
-
- super(parent, title, 0, 0, parent.getScreen().getWidth(),
- parent.getScreen().getHeight() - 2, RESIZABLE);
-
- editField = addEditor("", 0, 0, getWidth() - 2, getHeight() - 2);
- setupAfterEditor();
- }
-
- /**
- * Public constructor sets window title and contents.
- *
- * @param parent the main application
- * @param title the window title, usually a filename
- * @param contents the data for the editing window, usually the file data
- */
- public TEditorWindow(final TApplication parent, final String title,
- final String contents) {
-
- super(parent, title, 0, 0, parent.getScreen().getWidth(),
- parent.getScreen().getHeight() - 2, RESIZABLE);
-
- filename = title;
- editField = addEditor(contents, 0, 0, getWidth() - 2, getHeight() - 2);
- setupAfterEditor();
- }
-
- /**
- * Public constructor opens a file.
- *
- * @param parent the main application
- * @param file the file to open
- * @throws IOException if a java.io operation throws
- */
- public TEditorWindow(final TApplication parent,
- final File file) throws IOException {
-
- super(parent, file.getName(), 0, 0, parent.getScreen().getWidth(),
- parent.getScreen().getHeight() - 2, RESIZABLE);
-
- filename = file.getName();
- String contents = readFileData(file);
- editField = addEditor(contents, 0, 0, getWidth() - 2, getHeight() - 2);
- setupAfterEditor();
- }
-
- /**
- * Public constructor.
- *
- * @param parent the main application
- */
- public TEditorWindow(final TApplication parent) {
- this(parent, "New Text Document");
- }
-
- /**
- * Read file data into a string.
- *
- * @param file the file to open
- * @return the file contents
- * @throws IOException if a java.io operation throws
- */
- private String readFileData(final File file) throws IOException {
- StringBuilder fileContents = new StringBuilder();
- Scanner scanner = new Scanner(file);
- String EOL = System.getProperty("line.separator");
-
- try {
- while (scanner.hasNextLine()) {
- fileContents.append(scanner.nextLine() + EOL);
- }
- return fileContents.toString();
- } finally {
- scanner.close();
- }
- }
-
- /**
- * Read file data into a string.
- *
- * @param filename the file to open
- * @return the file contents
- * @throws IOException if a java.io operation throws
- */
- private String readFileData(final String filename) throws IOException {
- return readFileData(new File(filename));
- }
-
- /**
- * Draw the window.
- */
- @Override
- public void draw() {
- // Draw as normal.
- super.draw();
-
- // Add the row:col on the bottom row
- CellAttributes borderColor = getBorder();
- String location = String.format(" %d:%d ",
- editField.getEditingRowNumber(),
- editField.getEditingColumnNumber());
- int colon = location.indexOf(':');
- putStringXY(10 - colon, getHeight() - 1, location, borderColor);
-
- if (editField.isDirty()) {
- putCharXY(2, getHeight() - 1, GraphicsChars.OCTOSTAR, borderColor);
- }
- }
-
- /**
- * Check if a mouse press/release/motion event coordinate is over the
- * editor.
- *
- * @param mouse a mouse-based event
- * @return whether or not the mouse is on the editor
- */
- private final boolean mouseOnEditor(final TMouseEvent mouse) {
- if ((mouse.getAbsoluteX() >= getAbsoluteX() + 1)
- && (mouse.getAbsoluteX() < getAbsoluteX() + getWidth() - 1)
- && (mouse.getAbsoluteY() >= getAbsoluteY() + 1)
- && (mouse.getAbsoluteY() < getAbsoluteY() + getHeight() - 1)
- ) {
- return true;
- }
- return false;
- }
-
- /**
- * Handle mouse press events.
- *
- * @param mouse mouse button press event
- */
- @Override
- public void onMouseDown(final TMouseEvent mouse) {
- // Use TWidget's code to pass the event to the children.
- super.onMouseDown(mouse);
-
- if (mouseOnEditor(mouse)) {
- // The editor might have changed, update the scollbars.
- setBottomValue(editField.getMaximumRowNumber());
- setVerticalValue(editField.getEditingRowNumber());
- setRightValue(editField.getMaximumColumnNumber());
- setHorizontalValue(editField.getEditingColumnNumber());
- } else {
- if (mouse.isMouseWheelUp() || mouse.isMouseWheelDown()) {
- // Vertical scrollbar actions
- editField.setEditingRowNumber(getVerticalValue());
- }
- }
- }
-
- /**
- * Handle mouse release events.
- *
- * @param mouse mouse button release event
- */
- @Override
- public void onMouseUp(final TMouseEvent mouse) {
- // Use TWidget's code to pass the event to the children.
- super.onMouseUp(mouse);
-
- if (mouse.isMouse1() && mouseOnVerticalScroller(mouse)) {
- // Clicked on vertical scrollbar
- editField.setEditingRowNumber(getVerticalValue());
- }
-
- // TODO: horizontal scrolling
- }
-
- /**
- * Method that subclasses can override to handle mouse movements.
- *
- * @param mouse mouse motion event
- */
- @Override
- public void onMouseMotion(final TMouseEvent mouse) {
- // Use TWidget's code to pass the event to the children.
- super.onMouseMotion(mouse);
-
- if (mouseOnEditor(mouse) && mouse.isMouse1()) {
- // The editor might have changed, update the scollbars.
- setBottomValue(editField.getMaximumRowNumber());
- setVerticalValue(editField.getEditingRowNumber());
- setRightValue(editField.getMaximumColumnNumber());
- setHorizontalValue(editField.getEditingColumnNumber());
- } else {
- if (mouse.isMouse1() && mouseOnVerticalScroller(mouse)) {
- // Clicked/dragged on vertical scrollbar
- editField.setEditingRowNumber(getVerticalValue());
- }
-
- // TODO: horizontal scrolling
- }
-
- }
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
- // Use TWidget's code to pass the event to the children.
- super.onKeypress(keypress);
-
- // The editor might have changed, update the scollbars.
- setBottomValue(editField.getMaximumRowNumber());
- setVerticalValue(editField.getEditingRowNumber());
- setRightValue(editField.getMaximumColumnNumber());
- setHorizontalValue(editField.getEditingColumnNumber());
- }
-
- /**
- * Handle window/screen resize events.
- *
- * @param event resize event
- */
- @Override
- public void onResize(final TResizeEvent event) {
- if (event.getType() == TResizeEvent.Type.WIDGET) {
- // Resize the text field
- TResizeEvent editSize = new TResizeEvent(TResizeEvent.Type.WIDGET,
- event.getWidth() - 2, event.getHeight() - 2);
- editField.onResize(editSize);
-
- // Have TScrollableWindow handle the scrollbars
- super.onResize(event);
- return;
- }
-
- // Pass to children instead
- for (TWidget widget: getChildren()) {
- widget.onResize(event);
- }
- }
-
- /**
- * Method that subclasses can override to handle posted command events.
- *
- * @param command command event
- */
- @Override
- public void onCommand(final TCommandEvent command) {
- if (command.equals(cmOpen)) {
- try {
- String filename = fileOpenBox(".");
- if (filename != null) {
- try {
- String contents = readFileData(filename);
- new TEditorWindow(getApplication(), filename, contents);
- } catch (IOException e) {
- messageBox("Error", "Error reading file: " +
- e.getMessage());
- }
- }
- } catch (IOException e) {
- messageBox("Error", "Error opening file dialog: " +
- e.getMessage());
- }
- return;
- }
-
- if (command.equals(cmSave)) {
- if (filename.length() > 0) {
- try {
- editField.saveToFilename(filename);
- } catch (IOException e) {
- messageBox("Error", "Error saving file: " + e.getMessage());
- }
- }
- return;
- }
-
- // Didn't handle it, let children get it instead
- super.onCommand(command);
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff