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Very early file viewer. Only displays images and no other options

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are implemented.
This commit is contained in:
Robert Greene 2003-12-08 05:06:24 +00:00
parent 56a97ef7e5
commit 53eecbf8e0
1 changed files with 144 additions and 0 deletions
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src/com/webcodepro/applecommander/ui/swt/FileViewerWindow.java Normal file
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/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2003 by Robert Greene
* robgreene at users.sourceforge.net
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.webcodepro.applecommander.ui.swt;
import com.webcodepro.applecommander.storage.FileEntry;
import com.webcodepro.applecommander.storage.FileFilter;
import com.webcodepro.applecommander.storage.GraphicsFileFilter;
import java.io.ByteArrayInputStream;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
/**
* View a particular files content.
* <p>
* Date created: Dec 7, 2003
* @author: Rob Greene
*/
public class FileViewerWindow {
private Shell parentShell;
private ImageManager imageManager;
private Shell shell;
private FileEntry fileEntry;
private ScrolledComposite content;
/**
* Construct the file viewer window.
*/
public FileViewerWindow(Shell parentShell, FileEntry fileEntry, ImageManager imageManager) {
this.parentShell = shell;
this.fileEntry = fileEntry;
this.imageManager = imageManager;
}
/**
* Setup the File Viewer window and display (open) it.
*/
public void open() {
shell = new Shell(parentShell, SWT.SHELL_TRIM);
shell.setLayout(new FillLayout());
shell.setImage(imageManager.getDiskIcon());
shell.setText("File Viewer - " + fileEntry.getFilename());
shell.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent event) {
dispose(event);
}
});
content = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
FileFilter filter = fileEntry.getSuggestedFilter();
Color red = new Color(shell.getDisplay(), 255, 0, 0);
if (filter instanceof GraphicsFileFilter) {
byte[] imageBytes = filter.filter(fileEntry);
ByteArrayInputStream inputStream = new ByteArrayInputStream(imageBytes);
// final Image image = new Image(shell.getDisplay(), inputStream);
ImageLoader imageLoader = new ImageLoader();
ImageData[] imageData = imageLoader.load(inputStream);
final Image image = new Image(shell.getDisplay(), imageData[0]);
GridLayout layout = new GridLayout();
content.setLayout(layout);
GridData gridData = new GridData();
gridData.widthHint = imageData[0].width;
gridData.heightHint = imageData[0].height;
ImageCanvas imageCanvas = new ImageCanvas(content, SWT.NONE, image, gridData);
content.setContent(imageCanvas);
content.setExpandHorizontal(true);
content.setExpandVertical(true);
content.setMinWidth(imageData[0].width);
content.setMinHeight(imageData[0].height);
// ImageCanvas imageCanvas = new ImageCanvas(content, SWT.BORDER, image, gridData);
// imageCanvas.addListener(SWT.KeyUp, this);
// Canvas canvas = new Canvas (content, SWT.NONE);
// content.setContent(canvas);
// canvas.addPaintListener (new PaintListener () {
// public void paintControl (PaintEvent e) {
// e.gc.drawImage (image, 0, 0);
// }
// });
// Label label = new Label(content, SWT.NONE);
// label.setImage(image);
// content.setContent(label);
} else {
// Garbage:
final Composite c1 = new Composite(content, SWT.NONE);
content.setContent(c1);
c1.setBackground(red);
GridLayout layout = new GridLayout();
layout.numColumns = 4;
c1.setLayout(layout);
Button b1 = new Button (c1, SWT.PUSH);
b1.setText("first button");
c1.setSize(c1.computeSize(SWT.DEFAULT, SWT.DEFAULT));
}
shell.open();
}
/**
* Dispose of all shared resources.
*/
private void dispose(DisposeEvent event) {
System.gc();
}
}