Skip to main content
summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java')
-rwxr-xr-xexamples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java175
1 files changed, 0 insertions, 175 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 f48f46ea51..0000000000
--- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/javaviewer/JavaViewer.java
+++ /dev/null
@@ -1,175 +0,0 @@
-package org.eclipse.swt.examples.javaviewer;
-
-/*
- * Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
- * This file is made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-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.CASCADE);
- item.setText (resources.getString("Open_menuitem"));
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- openFile();
- }
- });
-
- // Close
- item = new MenuItem (menu, SWT.PUSH);
- item.setText (resources.getString("Close_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.setSize(500, 400);
- 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.open ();
- return shell;
-}
-
-void openFile() {
- final String textString;
- if (fileDialog == null) {
- fileDialog = new FileDialog(shell, SWT.OPEN);
- }
-
- fileDialog.setFilterExtensions(new String[] {"*.java", "*.*"});
- fileDialog.open();
- String name = fileDialog.getFileName();
-
- if ((name == null) || (name.length() == 0)) return;
-
- File file = new File(fileDialog.getFilterPath(), 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 ();
-}
-}

Back to the top