From 53eecbf8e0e0755e614d29996450a62dabeb7dd3 Mon Sep 17 00:00:00 2001
From: Robert Greene <robgreene@users.sourceforge.net>
Date: Mon, 8 Dec 2003 05:06:24 +0000
Subject: [PATCH] Very early file viewer. Only displays images and no other
 options are implemented.

---
 .../ui/swt/FileViewerWindow.java              | 144 ++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 src/com/webcodepro/applecommander/ui/swt/FileViewerWindow.java

diff --git a/src/com/webcodepro/applecommander/ui/swt/FileViewerWindow.java b/src/com/webcodepro/applecommander/ui/swt/FileViewerWindow.java
new file mode 100644
index 0000000..374b857
--- /dev/null
+++ b/src/com/webcodepro/applecommander/ui/swt/FileViewerWindow.java
@@ -0,0 +1,144 @@
+/*
+ * 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();
+	}
+}