+++ /dev/null
-package org.argeo.cms.desktop.mini;
-
-import java.net.MalformedURLException;
-import java.net.URL;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.browser.Browser;
-import org.eclipse.swt.browser.LocationEvent;
-import org.eclipse.swt.browser.LocationListener;
-import org.eclipse.swt.browser.TitleListener;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.FillLayout;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-
-public class MiniBrowser {
- private URL url;
- private Text addressT;
- private Browser browser;
-
- public MiniBrowser(Composite parent, int style) {
- parent.setLayout(new GridLayout());
-
- Composite toolBar = new Composite(parent, SWT.NONE);
- toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- toolBar.setLayout(new FillLayout());
- addressT = new Text(toolBar, SWT.SINGLE | SWT.BORDER);
- // addressT.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- addressT.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e) {
- setUrl(addressT.getText().trim());
- }
- });
-
- browser = new Browser(parent, SWT.WEBKIT);
- browser.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- browser.addLocationListener(new LocationListener() {
-
- @Override
- public void changing(LocationEvent event) {
- }
-
- @Override
- public void changed(LocationEvent event) {
- try {
- MiniBrowser.this.url = new URL(browser.getUrl());
- addressT.setText(url.toString());
- } catch (MalformedURLException e) {
- addressT.setText(e.getMessage());
- throw new IllegalArgumentException("Cannot interpet new URL", e);
-
- }
- }
- });
- }
-
- public void setUrl(URL url) {
- this.url = url;
- if (addressT != null)
- addressT.setText(url.toString());
- if (browser != null)
- browser.setUrl(url.toString());
- }
-
- public void setUrl(String url) {
- try {
- setUrl(new URL(url));
- } catch (MalformedURLException e) {
- // try with http
- try {
- setUrl(new URL("http://"+url));
- return;
- } catch (MalformedURLException e1) {
- // nevermind...
- }
- throw new IllegalArgumentException("Cannot interpret URL " + url, e);
- }
- }
-
- public void addTitleListener(TitleListener titleListener) {
- browser.addTitleListener(titleListener);
- }
-
- public static void main(String[] args) {
- Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
- Shell shell = new Shell(display, SWT.SHELL_TRIM);
-
- MiniBrowser miniBrowser = new MiniBrowser(shell, SWT.NONE);
- miniBrowser.addTitleListener(e -> shell.setText(e.title));
- String url = args.length > 0 ? args[0] : "http://www.argeo.org";
- miniBrowser.setUrl(url);
-
- shell.open();
- shell.setSize(new Point(800, 480));
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
-}
+++ /dev/null
-package org.argeo.cms.desktop.mini;
-
-import java.io.IOException;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.MouseAdapter;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.FillLayout;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.program.Program;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Table;
-import org.eclipse.swt.widgets.TableItem;
-import org.eclipse.swt.widgets.Text;
-
-public class MiniExplorer {
- private Path url;
- private Text addressT;
- private Table browser;
-
- private boolean showHidden = false;
-
- public MiniExplorer(Composite parent, int style) {
- parent.setLayout(new GridLayout());
-
- Composite toolBar = new Composite(parent, SWT.NONE);
- toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- toolBar.setLayout(new FillLayout());
- addressT = new Text(toolBar, SWT.SINGLE | SWT.BORDER);
- // addressT.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- addressT.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e) {
- setUrl(addressT.getText().trim());
- }
- });
- browser = createTable(parent, this.url);
-
- }
-
- public void setUrl(Path url) {
- this.url = url;
- if (addressT != null)
- addressT.setText(url.toString());
- if (browser != null) {
- Composite parent = browser.getParent();
- browser.dispose();
- browser = createTable(parent, this.url);
- parent.layout(true, true);
- }
- }
-
- protected Table createTable(Composite parent, Path path) {
- Table table = new Table(parent, SWT.BORDER);
- table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- table.addMouseListener(new MouseAdapter() {
-
- @Override
- public void mouseDoubleClick(MouseEvent e) {
- Point pt = new Point(e.x, e.y);
- TableItem item = table.getItem(pt);
- Path path = (Path) item.getData();
- if (Files.isDirectory(path)) {
- setUrl(path);
- } else {
- Program.launch(path.toString());
- }
- }
- });
-
- if (path != null) {
- if (path.getParent() != null) {
- TableItem parentTI = new TableItem(table, SWT.NONE);
- parentTI.setText("..");
- parentTI.setData(path.getParent());
- }
-
- try {
- // directories
- DirectoryStream<Path> ds = Files.newDirectoryStream(url, p -> Files.isDirectory(p) && isShown(p));
- ds.forEach(p -> {
- TableItem ti = new TableItem(table, SWT.NONE);
- ti.setText(p.getFileName().toString() + "/");
- ti.setData(p);
- });
- // files
- ds = Files.newDirectoryStream(url, p -> !Files.isDirectory(p) && isShown(p));
- ds.forEach(p -> {
- TableItem ti = new TableItem(table, SWT.NONE);
- ti.setText(p.getFileName().toString());
- ti.setData(p);
- });
- } catch (IOException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- }
- return table;
- }
-
- protected boolean isShown(Path path) {
- if (showHidden)
- return true;
- try {
- return !Files.isHidden(path);
- } catch (IOException e) {
- throw new IllegalArgumentException("Cannot check " + path, e);
- }
- }
-
- public void setUrl(String url) {
- setUrl(Paths.get(url));
- }
-
- public static void main(String[] args) {
- Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
- Shell shell = new Shell(display, SWT.SHELL_TRIM);
-
- MiniExplorer miniBrowser = new MiniExplorer(shell, SWT.NONE);
- String url = args.length > 0 ? args[0] : System.getProperty("user.home");
- miniBrowser.setUrl(url);
-
- shell.open();
- shell.setSize(new Point(800, 480));
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
-}
+++ /dev/null
-package org.argeo.cms.desktop.mini;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.ImageLoader;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.layout.RowLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Canvas;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.FileDialog;
-import org.eclipse.swt.widgets.Shell;
-
-public class MiniImageViewer implements PaintListener {
- private URL url;
- private Canvas area;
-
- private Image image;
-
- public MiniImageViewer(Composite parent, int style) {
- parent.setLayout(new GridLayout());
-
- Composite toolBar = new Composite(parent, SWT.NONE);
- toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- toolBar.setLayout(new RowLayout());
- Button load = new Button(toolBar, SWT.FLAT);
- load.setText("\u2191");// up arrow
- load.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- FileDialog fileDialog = new FileDialog(area.getShell());
- String path = fileDialog.open();
- if (path != null) {
- setUrl(path);
- }
- }
-
- });
-
- area = new Canvas(parent, SWT.NONE);
- area.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- area.addPaintListener(this);
- }
-
- protected void load(URL url) {
- try {
- ImageLoader imageLoader = new ImageLoader();
- ImageData[] data = imageLoader.load(url.openStream());
- image = new Image(area.getDisplay(), data[0]);
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
-
- @Override
- public void paintControl(PaintEvent e) {
- e.gc.drawImage(image, 0, 0);
-
- }
-
- protected Path url2path(URL url) {
- try {
- Path path = Paths.get(url.toURI());
- return path;
- } catch (URISyntaxException e) {
- throw new IllegalStateException("Cannot convert " + url + " to uri", e);
- }
- }
-
- public void setUrl(URL url) {
- this.url = url;
- if (area != null)
- load(this.url);
- }
-
- public void setUrl(String url) {
- try {
- setUrl(new URL(url));
- } catch (MalformedURLException e) {
- // try with http
- try {
- setUrl(new URL("file://" + url));
- return;
- } catch (MalformedURLException e1) {
- // nevermind...
- }
- throw new IllegalArgumentException("Cannot interpret URL " + url, e);
- }
- }
-
- public static void main(String[] args) {
- Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
- Shell shell = new Shell(display, SWT.SHELL_TRIM);
-
- MiniImageViewer miniBrowser = new MiniImageViewer(shell, SWT.NONE);
- String url = args.length > 0 ? args[0] : "";
- if (!url.trim().equals("")) {
- miniBrowser.setUrl(url);
- shell.setText(url);
- } else {
- shell.setText("*");
- }
-
- shell.open();
- shell.setSize(new Point(800, 480));
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
-}
+++ /dev/null
-package org.argeo.cms.desktop.mini;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.StringTokenizer;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.events.KeyListener;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
-import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.GC;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Canvas;
-import org.eclipse.swt.widgets.Caret;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-
-public class MiniTerminal implements KeyListener, PaintListener {
-
- private Canvas area;
- private Caret caret;
-
- private StringBuffer buf = new StringBuffer("");
- private StringBuffer userInput = new StringBuffer("");
- private List<String> history = new ArrayList<>();
-
- private Point charExtent = null;
- private int charsPerLine = 0;
- private String[] lines = new String[0];
- private List<String> logicalLines = new ArrayList<>();
-
- private Font mono;
- private Charset charset;
-
- private Path currentDir;
- private Path homeDir;
- private String host = "localhost";
- private String username;
-
- private boolean running = false;
- private OutputStream stdIn = null;
-
- public MiniTerminal(Composite parent, int style) {
- charset = StandardCharsets.UTF_8;
-
- Display display = parent.getDisplay();
- // Linux-specific
- mono = new Font(display, "Monospace", 10, SWT.NONE);
-
- parent.setLayout(new GridLayout());
- area = new Canvas(parent, SWT.NONE);
- area.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- caret = new Caret(area, SWT.NONE);
- area.setCaret(caret);
-
- area.addKeyListener(this);
- area.addPaintListener(this);
-
- username = System.getProperty("user.name");
- try {
- host = InetAddress.getLocalHost().getHostName();
- if (host.indexOf('.') > 0)
- host = host.substring(0, host.indexOf('.'));
- } catch (UnknownHostException e) {
- host = "localhost";
- }
- homeDir = Paths.get(System.getProperty("user.home"));
- currentDir = homeDir;
-
- buf = new StringBuffer(prompt());
- }
-
- @Override
- public void keyPressed(KeyEvent e) {
- }
-
- @Override
- public void keyReleased(KeyEvent e) {
- if (e.keyLocation != 0)
- return;// weird characters
- // System.out.println(e.character);
- if (e.keyCode == 0xd) {// return
- markLogicalLine();
- if (!running)
- processUserInput();
- // buf.append(prompt());
- } else if (e.keyCode == 0x8) {// delete
- if (userInput.length() == 0)
- return;
- userInput.setLength(userInput.length() - 1);
- if (!running && buf.length() > 0)
- buf.setLength(buf.length() - 1);
- } else {
- // if (!running)
- buf.append(e.character);
- userInput.append(e.character);
- }
-
- if (area.isDisposed())
- return;
- area.redraw();
- // System.out.println("Append " + e);
-
- if (running) {
- if (stdIn != null) {
- try {
- stdIn.write(Character.toString(e.character).getBytes(charset));
- } catch (IOException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- }
- }
- }
-
- protected String prompt() {
- String fileName = currentDir.equals(homeDir) ? "~" : currentDir.getFileName().toString();
- String end = username.equals("root") ? "]# " : "]$ ";
- return "[" + username + "@" + host + " " + fileName + end;
- }
-
- private void displayPrompt() {
- buf.append(prompt() + userInput);
- }
-
- protected void markLogicalLine() {
- String str = buf.toString().trim();
- logicalLines.add(str);
- buf = new StringBuffer("");
- }
-
- private void processUserInput() {
- String cmd = userInput.toString();
- userInput = new StringBuffer("");
- processUserInput(cmd);
- history.add(cmd);
- }
-
- protected void processUserInput(String input) {
- try {
- StringTokenizer st = new StringTokenizer(input);
- List<String> args = new ArrayList<>();
- while (st.hasMoreTokens())
- args.add(st.nextToken());
- if (args.size() == 0) {
- displayPrompt();
- return;
- }
-
- // change directory
- if (args.get(0).equals("cd")) {
- if (args.size() == 1) {
- setPath(homeDir);
- } else {
- Path newPath = currentDir.resolve(args.get(1));
- if (!Files.exists(newPath) || !Files.isDirectory(newPath)) {
- println(newPath + ": No such file or directory");
- return;
- }
- setPath(newPath);
- }
- displayPrompt();
- return;
- }
- // show current directory
- else if (args.get(0).equals("pwd")) {
- println(currentDir);
- displayPrompt();
- return;
- }
- // exit
- else if (args.get(0).equals("exit")) {
- println("logout");
- area.getShell().dispose();
- return;
- }
-
- ProcessBuilder pb = new ProcessBuilder(args);
- pb.redirectErrorStream(true);
- pb.directory(currentDir.toFile());
-// Process process = Runtime.getRuntime().exec(input, null, currentPath.toFile());
- Process process = pb.start();
-
- stdIn = process.getOutputStream();
- Thread readOut = new Thread("Read out") {
- @Override
- public void run() {
- running = true;
- try (BufferedReader in = new BufferedReader(
- new InputStreamReader(process.getInputStream(), charset))) {
- String line = null;
- while ((line = in.readLine()) != null) {
- println(line);
- }
- } catch (IOException e) {
- println(e.getMessage());
- }
- stdIn = null;
- displayPrompt();
- running = false;
- }
- };
- readOut.start();
- } catch (IOException e) {
- println(e.getMessage());
- displayPrompt();
- }
- }
-
- protected int linesForLogicalLine(char[] line) {
- return line.length / charsPerLine + 1;
- }
-
- protected void println(Object line) {
- buf.append(line);
- markLogicalLine();
- }
-
- protected void refreshLines(int charPerLine, int nbrOfLines) {
- if (lines.length != nbrOfLines) {
- lines = new String[nbrOfLines];
- Arrays.fill(lines, null);
- }
- if (this.charsPerLine != charPerLine)
- this.charsPerLine = charPerLine;
-
- int currentLine = nbrOfLines - 1;
- // current line
- if (buf.length() > 0) {
- lines[currentLine] = buf.toString();
- } else {
- lines[currentLine] = "";
- }
- currentLine--;
-
- logicalLines: for (int i = logicalLines.size() - 1; i >= 0; i--) {
- char[] logicalLine = logicalLines.get(i).toCharArray();
- int linesNeeded = linesForLogicalLine(logicalLine);
- for (int j = linesNeeded - 1; j >= 0; j--) {
- int from = j * charPerLine;
- int to = j == linesNeeded - 1 ? from + charPerLine : Math.min(from + charPerLine, logicalLine.length);
- lines[currentLine] = new String(Arrays.copyOfRange(logicalLine, from, to));
-// System.out.println("Set line " + currentLine + " to : " + lines[currentLine]);
- currentLine--;
- if (currentLine < 0)
- break logicalLines;
- }
- }
- }
-
- @Override
- public void paintControl(PaintEvent e) {
- GC gc = e.gc;
- gc.setFont(mono);
- if (charExtent == null)
- charExtent = gc.textExtent("a");
-
- Point areaSize = area.getSize();
- int charPerLine = areaSize.x / charExtent.x;
- int nbrOfLines = areaSize.y / charExtent.y;
- refreshLines(charPerLine, nbrOfLines);
-
- for (int i = 0; i < lines.length; i++) {
- String line = lines[i];
- if (line != null)
- gc.drawString(line, 0, i * charExtent.y);
- }
-// String toDraw = buf.toString();
-// gc.drawString(toDraw, 0, 0);
-// area.setCaret(caret);
- }
-
- public void setPath(String path) {
- this.currentDir = Paths.get(path);
- }
-
- public void setPath(Path path) {
- this.currentDir = path;
- }
-
- public static void main(String[] args) {
- Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
- Shell shell = new Shell(display, SWT.SHELL_TRIM);
-
- MiniTerminal miniBrowser = new MiniTerminal(shell, SWT.NONE);
- String url = args.length > 0 ? args[0] : System.getProperty("user.home");
- miniBrowser.setPath(url);
-
- shell.open();
- shell.setSize(new Point(800, 480));
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
-}
+++ /dev/null
-package org.argeo.cms.desktop.mini;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.net.MalformedURLException;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.layout.RowLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.FileDialog;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-
-public class MiniTextEditor {
- private URL url;
- private Text text;
-
- public MiniTextEditor(Composite parent, int style) {
- parent.setLayout(new GridLayout());
-
- Composite toolBar = new Composite(parent, SWT.NONE);
- toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- toolBar.setLayout(new RowLayout());
- Button load = new Button(toolBar, SWT.FLAT);
- load.setText("\u2191");// up arrow
- load.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- FileDialog fileDialog = new FileDialog(text.getShell());
- String path = fileDialog.open();
- if (path != null) {
- setUrl(path);
- }
- }
-
- });
-
- Button save = new Button(toolBar, SWT.FLAT);
- save.setText("\u2193");// down arrow
- // save.setText("\u1F609");// emoji
- save.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- save(url);
- }
-
- });
-
- text = new Text(parent, SWT.WRAP | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
- text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- }
-
- protected void load(URL url) {
- text.setText("");
- // TODO deal with encoding and binary data
- try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream(), StandardCharsets.UTF_8))) {
- String line = null;
- while ((line = in.readLine()) != null) {
- text.append(line + "\n");
- }
- text.setEditable(true);
- } catch (IOException e) {
- if (e instanceof FileNotFoundException) {
- Path path = url2path(url);
- try {
- Files.createFile(path);
- load(url);
- return;
- } catch (IOException e1) {
- e = e1;
- }
- }
- text.setText(e.getMessage());
- text.setEditable(false);
- e.printStackTrace();
- // throw new IllegalStateException("Cannot load " + url, e);
- }
- }
-
- protected Path url2path(URL url) {
- try {
- Path path = Paths.get(url.toURI());
- return path;
- } catch (URISyntaxException e) {
- throw new IllegalStateException("Cannot convert " + url + " to uri", e);
- }
- }
-
- protected void save(URL url) {
- if (!url.getProtocol().equals("file"))
- throw new IllegalArgumentException(url.getProtocol() + " protocol is not supported for write");
- Path path = url2path(url);
- try (BufferedWriter out = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(path)))) {
- out.write(text.getText());
- } catch (IOException e) {
- throw new IllegalStateException("Cannot save " + url + " to " + path, e);
- }
- }
-
- public void setUrl(URL url) {
- this.url = url;
- if (text != null)
- load(url);
- }
-
- public void setUrl(String url) {
- try {
- setUrl(new URL(url));
- } catch (MalformedURLException e) {
- // try with http
- try {
- setUrl(new URL("file://" + url));
- return;
- } catch (MalformedURLException e1) {
- // nevermind...
- }
- throw new IllegalArgumentException("Cannot interpret URL " + url, e);
- }
- }
-
- public static void main(String[] args) {
- Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
- Shell shell = new Shell(display, SWT.SHELL_TRIM);
-
- MiniTextEditor miniBrowser = new MiniTextEditor(shell, SWT.NONE);
- String url = args.length > 0 ? args[0] : "";
- if (!url.trim().equals("")) {
- miniBrowser.setUrl(url);
- shell.setText(url);
- } else {
- shell.setText("*");
- }
-
- shell.open();
- shell.setSize(new Point(800, 480));
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
-}
--- /dev/null
+package org.argeo.swt.desktop;
+
+import java.util.Observable;
+import java.util.function.BiFunction;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.browser.LocationAdapter;
+import org.eclipse.swt.browser.LocationEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/** A minimalistic web browser based on {@link Browser}. */
+public class MiniBrowser implements BiFunction<Composite, MiniBrowser.Context, Control> {
+ @Override
+ public Control apply(Composite parent, MiniBrowser.Context context) {
+ parent.setLayout(new GridLayout());
+ Control toolBar = createToolBar(parent, context);
+ toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ Control body = createBody(parent, context);
+ body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ return body;
+ }
+
+ public Control createToolBar(Composite parent, MiniBrowser.Context context) {
+ Composite toolBar = new Composite(parent, SWT.NONE);
+ toolBar.setLayout(new FillLayout());
+ Text addressT = new Text(toolBar, SWT.SINGLE | SWT.BORDER);
+ addressT.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent e) {
+ String url = addressT.getText().trim();
+ context.setUrl(url);
+ }
+ });
+ context.addObserver((o, v) -> addressT.setText(((Context) o).getUrl().toString()));
+ return toolBar;
+ }
+
+ public Control createBody(Composite parent, MiniBrowser.Context context) {
+ Browser browser = new Browser(parent, SWT.WEBKIT);
+ browser.addLocationListener(new LocationAdapter() {
+ @Override
+ public void changing(LocationEvent event) {
+ if (!context.getUrl().equals(event.location))
+ context.setUrl(event.location);
+ }
+ });
+ browser.addTitleListener(e -> context.setTitle(e.title));
+ context.addObserver((o, v) -> {
+ String url = ((Context) o).getUrl();
+ if (!url.equals(browser.getUrl()))
+ browser.setUrl(url.toString());
+ });
+ return browser;
+ }
+
+ /** The observable context of this web browser. */
+ public static class Context extends Observable {
+ private String url;
+ private String title = "";
+
+ public void setUrl(String url) {
+ this.url = url;
+ System.out.println(url);
+ setChanged();
+ notifyObservers(url);
+ }
+
+ public String getUrl() {
+ return url;
+ }
+
+ public String getTitle() {
+ return title;
+ }
+
+ public void setTitle(String title) {
+ this.title = title;
+ setChanged();
+ notifyObservers(title);
+ }
+
+ }
+
+ public static void main(String[] args) {
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell = new Shell(display, SWT.SHELL_TRIM);
+
+ MiniBrowser miniBrowser = new MiniBrowser();
+ MiniBrowser.Context context = new MiniBrowser.Context();
+ miniBrowser.apply(shell, context);
+ context.addObserver((o, v) -> shell.setText(((Context) o).getTitle()));
+ String url = args.length > 0 ? args[0] : "http://www.argeo.org";
+ context.setUrl(url);
+
+ shell.open();
+ shell.setSize(new Point(800, 480));
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
--- /dev/null
+package org.argeo.swt.desktop;
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.program.Program;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.swt.widgets.Text;
+
+public class MiniExplorer {
+ private Path url;
+ private Text addressT;
+ private Table browser;
+
+ private boolean showHidden = false;
+
+ public MiniExplorer(Composite parent, int style) {
+ parent.setLayout(new GridLayout());
+
+ Composite toolBar = new Composite(parent, SWT.NONE);
+ toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ toolBar.setLayout(new FillLayout());
+ addressT = new Text(toolBar, SWT.SINGLE | SWT.BORDER);
+ // addressT.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ addressT.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent e) {
+ setUrl(addressT.getText().trim());
+ }
+ });
+ browser = createTable(parent, this.url);
+
+ }
+
+ public void setUrl(Path url) {
+ this.url = url;
+ if (addressT != null)
+ addressT.setText(url.toString());
+ if (browser != null) {
+ Composite parent = browser.getParent();
+ browser.dispose();
+ browser = createTable(parent, this.url);
+ parent.layout(true, true);
+ }
+ }
+
+ protected Table createTable(Composite parent, Path path) {
+ Table table = new Table(parent, SWT.BORDER);
+ table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ table.addMouseListener(new MouseAdapter() {
+
+ @Override
+ public void mouseDoubleClick(MouseEvent e) {
+ Point pt = new Point(e.x, e.y);
+ TableItem item = table.getItem(pt);
+ Path path = (Path) item.getData();
+ if (Files.isDirectory(path)) {
+ setUrl(path);
+ } else {
+ Program.launch(path.toString());
+ }
+ }
+ });
+
+ if (path != null) {
+ if (path.getParent() != null) {
+ TableItem parentTI = new TableItem(table, SWT.NONE);
+ parentTI.setText("..");
+ parentTI.setData(path.getParent());
+ }
+
+ try {
+ // directories
+ DirectoryStream<Path> ds = Files.newDirectoryStream(url, p -> Files.isDirectory(p) && isShown(p));
+ ds.forEach(p -> {
+ TableItem ti = new TableItem(table, SWT.NONE);
+ ti.setText(p.getFileName().toString() + "/");
+ ti.setData(p);
+ });
+ // files
+ ds = Files.newDirectoryStream(url, p -> !Files.isDirectory(p) && isShown(p));
+ ds.forEach(p -> {
+ TableItem ti = new TableItem(table, SWT.NONE);
+ ti.setText(p.getFileName().toString());
+ ti.setData(p);
+ });
+ } catch (IOException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ }
+ return table;
+ }
+
+ protected boolean isShown(Path path) {
+ if (showHidden)
+ return true;
+ try {
+ return !Files.isHidden(path);
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Cannot check " + path, e);
+ }
+ }
+
+ public void setUrl(String url) {
+ setUrl(Paths.get(url));
+ }
+
+ public static void main(String[] args) {
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell = new Shell(display, SWT.SHELL_TRIM);
+
+ MiniExplorer miniBrowser = new MiniExplorer(shell, SWT.NONE);
+ String url = args.length > 0 ? args[0] : System.getProperty("user.home");
+ miniBrowser.setUrl(url);
+
+ shell.open();
+ shell.setSize(new Point(800, 480));
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
--- /dev/null
+package org.argeo.swt.desktop;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.ImageLoader;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
+
+public class MiniImageViewer implements PaintListener {
+ private URL url;
+ private Canvas area;
+
+ private Image image;
+
+ public MiniImageViewer(Composite parent, int style) {
+ parent.setLayout(new GridLayout());
+
+ Composite toolBar = new Composite(parent, SWT.NONE);
+ toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ toolBar.setLayout(new RowLayout());
+ Button load = new Button(toolBar, SWT.FLAT);
+ load.setText("\u2191");// up arrow
+ load.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetSelected(SelectionEvent e) {
+ FileDialog fileDialog = new FileDialog(area.getShell());
+ String path = fileDialog.open();
+ if (path != null) {
+ setUrl(path);
+ }
+ }
+
+ });
+
+ area = new Canvas(parent, SWT.NONE);
+ area.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ area.addPaintListener(this);
+ }
+
+ protected void load(URL url) {
+ try {
+ ImageLoader imageLoader = new ImageLoader();
+ ImageData[] data = imageLoader.load(url.openStream());
+ image = new Image(area.getDisplay(), data[0]);
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public void paintControl(PaintEvent e) {
+ e.gc.drawImage(image, 0, 0);
+
+ }
+
+ protected Path url2path(URL url) {
+ try {
+ Path path = Paths.get(url.toURI());
+ return path;
+ } catch (URISyntaxException e) {
+ throw new IllegalStateException("Cannot convert " + url + " to uri", e);
+ }
+ }
+
+ public void setUrl(URL url) {
+ this.url = url;
+ if (area != null)
+ load(this.url);
+ }
+
+ public void setUrl(String url) {
+ try {
+ setUrl(new URL(url));
+ } catch (MalformedURLException e) {
+ // try with http
+ try {
+ setUrl(new URL("file://" + url));
+ return;
+ } catch (MalformedURLException e1) {
+ // nevermind...
+ }
+ throw new IllegalArgumentException("Cannot interpret URL " + url, e);
+ }
+ }
+
+ public static void main(String[] args) {
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell = new Shell(display, SWT.SHELL_TRIM);
+
+ MiniImageViewer miniBrowser = new MiniImageViewer(shell, SWT.NONE);
+ String url = args.length > 0 ? args[0] : "";
+ if (!url.trim().equals("")) {
+ miniBrowser.setUrl(url);
+ shell.setText(url);
+ } else {
+ shell.setText("*");
+ }
+
+ shell.open();
+ shell.setSize(new Point(800, 480));
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
--- /dev/null
+package org.argeo.swt.desktop;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Caret;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+public class MiniTerminal implements KeyListener, PaintListener {
+
+ private Canvas area;
+ private Caret caret;
+
+ private StringBuffer buf = new StringBuffer("");
+ private StringBuffer userInput = new StringBuffer("");
+ private List<String> history = new ArrayList<>();
+
+ private Point charExtent = null;
+ private int charsPerLine = 0;
+ private String[] lines = new String[0];
+ private List<String> logicalLines = new ArrayList<>();
+
+ private Font mono;
+ private Charset charset;
+
+ private Path currentDir;
+ private Path homeDir;
+ private String host = "localhost";
+ private String username;
+
+ private boolean running = false;
+ private OutputStream stdIn = null;
+
+ public MiniTerminal(Composite parent, int style) {
+ charset = StandardCharsets.UTF_8;
+
+ Display display = parent.getDisplay();
+ // Linux-specific
+ mono = new Font(display, "Monospace", 10, SWT.NONE);
+
+ parent.setLayout(new GridLayout());
+ area = new Canvas(parent, SWT.NONE);
+ area.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ caret = new Caret(area, SWT.NONE);
+ area.setCaret(caret);
+
+ area.addKeyListener(this);
+ area.addPaintListener(this);
+
+ username = System.getProperty("user.name");
+ try {
+ host = InetAddress.getLocalHost().getHostName();
+ if (host.indexOf('.') > 0)
+ host = host.substring(0, host.indexOf('.'));
+ } catch (UnknownHostException e) {
+ host = "localhost";
+ }
+ homeDir = Paths.get(System.getProperty("user.home"));
+ currentDir = homeDir;
+
+ buf = new StringBuffer(prompt());
+ }
+
+ @Override
+ public void keyPressed(KeyEvent e) {
+ }
+
+ @Override
+ public void keyReleased(KeyEvent e) {
+ if (e.keyLocation != 0)
+ return;// weird characters
+ // System.out.println(e.character);
+ if (e.keyCode == 0xd) {// return
+ markLogicalLine();
+ if (!running)
+ processUserInput();
+ // buf.append(prompt());
+ } else if (e.keyCode == 0x8) {// delete
+ if (userInput.length() == 0)
+ return;
+ userInput.setLength(userInput.length() - 1);
+ if (!running && buf.length() > 0)
+ buf.setLength(buf.length() - 1);
+ } else {
+ // if (!running)
+ buf.append(e.character);
+ userInput.append(e.character);
+ }
+
+ if (area.isDisposed())
+ return;
+ area.redraw();
+ // System.out.println("Append " + e);
+
+ if (running) {
+ if (stdIn != null) {
+ try {
+ stdIn.write(Character.toString(e.character).getBytes(charset));
+ } catch (IOException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ }
+ }
+ }
+
+ protected String prompt() {
+ String fileName = currentDir.equals(homeDir) ? "~" : currentDir.getFileName().toString();
+ String end = username.equals("root") ? "]# " : "]$ ";
+ return "[" + username + "@" + host + " " + fileName + end;
+ }
+
+ private void displayPrompt() {
+ buf.append(prompt() + userInput);
+ }
+
+ protected void markLogicalLine() {
+ String str = buf.toString().trim();
+ logicalLines.add(str);
+ buf = new StringBuffer("");
+ }
+
+ private void processUserInput() {
+ String cmd = userInput.toString();
+ userInput = new StringBuffer("");
+ processUserInput(cmd);
+ history.add(cmd);
+ }
+
+ protected void processUserInput(String input) {
+ try {
+ StringTokenizer st = new StringTokenizer(input);
+ List<String> args = new ArrayList<>();
+ while (st.hasMoreTokens())
+ args.add(st.nextToken());
+ if (args.size() == 0) {
+ displayPrompt();
+ return;
+ }
+
+ // change directory
+ if (args.get(0).equals("cd")) {
+ if (args.size() == 1) {
+ setPath(homeDir);
+ } else {
+ Path newPath = currentDir.resolve(args.get(1));
+ if (!Files.exists(newPath) || !Files.isDirectory(newPath)) {
+ println(newPath + ": No such file or directory");
+ return;
+ }
+ setPath(newPath);
+ }
+ displayPrompt();
+ return;
+ }
+ // show current directory
+ else if (args.get(0).equals("pwd")) {
+ println(currentDir);
+ displayPrompt();
+ return;
+ }
+ // exit
+ else if (args.get(0).equals("exit")) {
+ println("logout");
+ area.getShell().dispose();
+ return;
+ }
+
+ ProcessBuilder pb = new ProcessBuilder(args);
+ pb.redirectErrorStream(true);
+ pb.directory(currentDir.toFile());
+// Process process = Runtime.getRuntime().exec(input, null, currentPath.toFile());
+ Process process = pb.start();
+
+ stdIn = process.getOutputStream();
+ Thread readOut = new Thread("Read out") {
+ @Override
+ public void run() {
+ running = true;
+ try (BufferedReader in = new BufferedReader(
+ new InputStreamReader(process.getInputStream(), charset))) {
+ String line = null;
+ while ((line = in.readLine()) != null) {
+ println(line);
+ }
+ } catch (IOException e) {
+ println(e.getMessage());
+ }
+ stdIn = null;
+ displayPrompt();
+ running = false;
+ }
+ };
+ readOut.start();
+ } catch (IOException e) {
+ println(e.getMessage());
+ displayPrompt();
+ }
+ }
+
+ protected int linesForLogicalLine(char[] line) {
+ return line.length / charsPerLine + 1;
+ }
+
+ protected void println(Object line) {
+ buf.append(line);
+ markLogicalLine();
+ }
+
+ protected void refreshLines(int charPerLine, int nbrOfLines) {
+ if (lines.length != nbrOfLines) {
+ lines = new String[nbrOfLines];
+ Arrays.fill(lines, null);
+ }
+ if (this.charsPerLine != charPerLine)
+ this.charsPerLine = charPerLine;
+
+ int currentLine = nbrOfLines - 1;
+ // current line
+ if (buf.length() > 0) {
+ lines[currentLine] = buf.toString();
+ } else {
+ lines[currentLine] = "";
+ }
+ currentLine--;
+
+ logicalLines: for (int i = logicalLines.size() - 1; i >= 0; i--) {
+ char[] logicalLine = logicalLines.get(i).toCharArray();
+ int linesNeeded = linesForLogicalLine(logicalLine);
+ for (int j = linesNeeded - 1; j >= 0; j--) {
+ int from = j * charPerLine;
+ int to = j == linesNeeded - 1 ? from + charPerLine : Math.min(from + charPerLine, logicalLine.length);
+ lines[currentLine] = new String(Arrays.copyOfRange(logicalLine, from, to));
+// System.out.println("Set line " + currentLine + " to : " + lines[currentLine]);
+ currentLine--;
+ if (currentLine < 0)
+ break logicalLines;
+ }
+ }
+ }
+
+ @Override
+ public void paintControl(PaintEvent e) {
+ GC gc = e.gc;
+ gc.setFont(mono);
+ if (charExtent == null)
+ charExtent = gc.textExtent("a");
+
+ Point areaSize = area.getSize();
+ int charPerLine = areaSize.x / charExtent.x;
+ int nbrOfLines = areaSize.y / charExtent.y;
+ refreshLines(charPerLine, nbrOfLines);
+
+ for (int i = 0; i < lines.length; i++) {
+ String line = lines[i];
+ if (line != null)
+ gc.drawString(line, 0, i * charExtent.y);
+ }
+// String toDraw = buf.toString();
+// gc.drawString(toDraw, 0, 0);
+// area.setCaret(caret);
+ }
+
+ public void setPath(String path) {
+ this.currentDir = Paths.get(path);
+ }
+
+ public void setPath(Path path) {
+ this.currentDir = path;
+ }
+
+ public static void main(String[] args) {
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell = new Shell(display, SWT.SHELL_TRIM);
+
+ MiniTerminal miniBrowser = new MiniTerminal(shell, SWT.NONE);
+ String url = args.length > 0 ? args[0] : System.getProperty("user.home");
+ miniBrowser.setPath(url);
+
+ shell.open();
+ shell.setSize(new Point(800, 480));
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
--- /dev/null
+package org.argeo.swt.desktop;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+public class MiniTextEditor {
+ private URL url;
+ private Text text;
+
+ public MiniTextEditor(Composite parent, int style) {
+ parent.setLayout(new GridLayout());
+
+ Composite toolBar = new Composite(parent, SWT.NONE);
+ toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ toolBar.setLayout(new RowLayout());
+ Button load = new Button(toolBar, SWT.FLAT);
+ load.setText("\u2191");// up arrow
+ load.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetSelected(SelectionEvent e) {
+ FileDialog fileDialog = new FileDialog(text.getShell());
+ String path = fileDialog.open();
+ if (path != null) {
+ setUrl(path);
+ }
+ }
+
+ });
+
+ Button save = new Button(toolBar, SWT.FLAT);
+ save.setText("\u2193");// down arrow
+ // save.setText("\u1F609");// emoji
+ save.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetSelected(SelectionEvent e) {
+ save(url);
+ }
+
+ });
+
+ text = new Text(parent, SWT.WRAP | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
+ text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ }
+
+ protected void load(URL url) {
+ text.setText("");
+ // TODO deal with encoding and binary data
+ try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream(), StandardCharsets.UTF_8))) {
+ String line = null;
+ while ((line = in.readLine()) != null) {
+ text.append(line + "\n");
+ }
+ text.setEditable(true);
+ } catch (IOException e) {
+ if (e instanceof FileNotFoundException) {
+ Path path = url2path(url);
+ try {
+ Files.createFile(path);
+ load(url);
+ return;
+ } catch (IOException e1) {
+ e = e1;
+ }
+ }
+ text.setText(e.getMessage());
+ text.setEditable(false);
+ e.printStackTrace();
+ // throw new IllegalStateException("Cannot load " + url, e);
+ }
+ }
+
+ protected Path url2path(URL url) {
+ try {
+ Path path = Paths.get(url.toURI());
+ return path;
+ } catch (URISyntaxException e) {
+ throw new IllegalStateException("Cannot convert " + url + " to uri", e);
+ }
+ }
+
+ protected void save(URL url) {
+ if (!url.getProtocol().equals("file"))
+ throw new IllegalArgumentException(url.getProtocol() + " protocol is not supported for write");
+ Path path = url2path(url);
+ try (BufferedWriter out = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(path)))) {
+ out.write(text.getText());
+ } catch (IOException e) {
+ throw new IllegalStateException("Cannot save " + url + " to " + path, e);
+ }
+ }
+
+ public void setUrl(URL url) {
+ this.url = url;
+ if (text != null)
+ load(url);
+ }
+
+ public void setUrl(String url) {
+ try {
+ setUrl(new URL(url));
+ } catch (MalformedURLException e) {
+ // try with http
+ try {
+ setUrl(new URL("file://" + url));
+ return;
+ } catch (MalformedURLException e1) {
+ // nevermind...
+ }
+ throw new IllegalArgumentException("Cannot interpret URL " + url, e);
+ }
+ }
+
+ public static void main(String[] args) {
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell = new Shell(display, SWT.SHELL_TRIM);
+
+ MiniTextEditor miniBrowser = new MiniTextEditor(shell, SWT.NONE);
+ String url = args.length > 0 ? args[0] : "";
+ if (!url.trim().equals("")) {
+ miniBrowser.setUrl(url);
+ shell.setText(url);
+ } else {
+ shell.setText("*");
+ }
+
+ shell.open();
+ shell.setSize(new Point(800, 480));
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
projects / lgpl / argeo-commons.git / commitdiff