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Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java')
-rwxr-xr-x | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java deleted file mode 100755 index c31f57b8e3..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java +++ /dev/null @@ -1,184 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2007 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.examples.javaviewer; - - -import org.eclipse.swt.*; -import org.eclipse.swt.custom.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; -import java.util.*; -import java.io.*; -import java.text.*; - -/** - */ -public class JavaViewer { - Shell shell; - StyledText text; - JavaLineStyler lineStyler = new JavaLineStyler(); - FileDialog fileDialog; - static ResourceBundle resources = ResourceBundle.getBundle("examples_javaviewer"); - -Menu createFileMenu() { - Menu bar = shell.getMenuBar (); - Menu menu = new Menu (bar); - MenuItem item; - - // Open - item = new MenuItem (menu, SWT.PUSH); - item.setText (resources.getString("Open_menuitem")); - item.setAccelerator(SWT.MOD1 + 'O'); - item.addSelectionListener(new SelectionAdapter() { - public void widgetSelected(SelectionEvent event) { - openFile(); - } - }); - - // Exit - item = new MenuItem (menu, SWT.PUSH); - item.setText (resources.getString("Exit_menuitem")); - item.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent e) { - menuFileExit (); - } - }); - return menu; -} - -void createMenuBar () { - Menu bar = new Menu (shell, SWT.BAR); - shell.setMenuBar (bar); - - MenuItem fileItem = new MenuItem (bar, SWT.CASCADE); - fileItem.setText (resources.getString("File_menuitem")); - fileItem.setMenu (createFileMenu ()); - -} - -void createShell (Display display) { - shell = new Shell (display); - shell.setText (resources.getString("Window_title")); - GridLayout layout = new GridLayout(); - layout.numColumns = 1; - shell.setLayout(layout); - shell.addShellListener (new ShellAdapter () { - public void shellClosed (ShellEvent e) { - lineStyler.disposeColors(); - text.removeLineStyleListener(lineStyler); - } - }); -} -void createStyledText() { - text = new StyledText (shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); - GridData spec = new GridData(); - spec.horizontalAlignment = GridData.FILL; - spec.grabExcessHorizontalSpace = true; - spec.verticalAlignment = GridData.FILL; - spec.grabExcessVerticalSpace = true; - text.setLayoutData(spec); - text.addLineStyleListener(lineStyler); - text.setEditable(false); - Color bg = Display.getDefault().getSystemColor(SWT.COLOR_GRAY); - text.setBackground(bg); -} - -void displayError(String msg) { - MessageBox box = new MessageBox(shell, SWT.ICON_ERROR); - box.setMessage(msg); - box.open(); -} - -public static void main (String [] args) { - Display display = new Display(); - JavaViewer example = new JavaViewer (); - Shell shell = example.open (display); - while (!shell.isDisposed ()) - if (!display.readAndDispatch ()) display.sleep (); - display.dispose (); -} - -public Shell open (Display display) { - createShell (display); - createMenuBar (); - createStyledText (); - shell.setSize(500, 400); - shell.open (); - return shell; -} - -void openFile() { - if (fileDialog == null) { - fileDialog = new FileDialog(shell, SWT.OPEN); - } - - fileDialog.setFilterExtensions(new String[] {"*.java", "*.*"}); - String name = fileDialog.open(); - - open(name); -} - -void open(String name) { - final String textString; - - if ((name == null) || (name.length() == 0)) return; - - File file = new File(name); - if (!file.exists()) { - String message = MessageFormat.format(resources.getString("Err_file_no_exist"), new String[] {file.getName()}); - displayError(message); - return; - } - - try { - FileInputStream stream= new FileInputStream(file.getPath()); - try { - Reader in = new BufferedReader(new InputStreamReader(stream)); - char[] readBuffer= new char[2048]; - StringBuffer buffer= new StringBuffer((int) file.length()); - int n; - while ((n = in.read(readBuffer)) > 0) { - buffer.append(readBuffer, 0, n); - } - textString = buffer.toString(); - stream.close(); - } - catch (IOException e) { - // Err_file_io - String message = MessageFormat.format(resources.getString("Err_file_io"), new String[] {file.getName()}); - displayError(message); - return; - } - } - catch (FileNotFoundException e) { - String message = MessageFormat.format(resources.getString("Err_not_found"), new String[] {file.getName()}); - displayError(message); - return; - } - // Guard against superfluous mouse move events -- defer action until later - Display display = text.getDisplay(); - display.asyncExec(new Runnable() { - public void run() { - text.setText(textString); - } - }); - - // parse the block comments up front since block comments can go across - // lines - inefficient way of doing this - lineStyler.parseBlockComments(textString); -} - -void menuFileExit () { - shell.close (); -} -} |