inital plugin from webtools project

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.monitor.ui / src / net / sourceforge / phpdt / monitor / ui / internal / viewers / ImageViewer.java

diff --git a/archive/net.sourceforge.phpeclipse.monitor.ui/src/net/sourceforge/phpdt/monitor/ui/internal/viewers/ImageViewer.java b/archive/net.sourceforge.phpeclipse.monitor.ui/src/net/sourceforge/phpdt/monitor/ui/internal/viewers/ImageViewer.java
new file mode 100644 (file)
index 0000000..b8d5bb4
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+++ b/archive/net.sourceforge.phpeclipse.monitor.ui/src/net/sourceforge/phpdt/monitor/ui/internal/viewers/ImageViewer.java
@@ -0,0 +1,95 @@
+/**********************************************************************
+ * Copyright (c) 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are 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
+ *
+ * Contributors:
+ *    IBM - Initial API and implementation
+ **********************************************************************/
+package net.sourceforge.phpdt.monitor.ui.internal.viewers;
+
+import java.io.ByteArrayInputStream;
+
+import net.sourceforge.phpdt.monitor.ui.IContentViewer;
+import net.sourceforge.phpdt.monitor.ui.internal.MonitorUIPlugin;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+/**
+ * An image viewer.
+ */
+public class ImageViewer implements IContentViewer {
+       protected Composite rootComp;
+       protected Composite viewerComp;
+       protected Label messageLabel;
+
+       /* (non-Javadoc)
+        * @see net.sourceforge.phpdt.monitor.ui.IContentViewer#init(Composite)
+        */
+       public void init(Composite parent) {
+               rootComp = parent;
+               
+               viewerComp = new Composite(parent, SWT.NONE);
+               GridLayout layout = new GridLayout();
+               layout.numColumns = 1;
+               layout.marginHeight = 0;
+               layout.marginWidth = 0;
+               viewerComp.setLayout(layout);
+               GridData data = new GridData(GridData.FILL_BOTH);
+               viewerComp.setLayoutData(data);
+
+               messageLabel = new Label(viewerComp, SWT.NONE);
+               messageLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_BEGINNING));
+       }
+       
+       /* (non-Javadoc)
+        * @see net.sourceforge.phpdt.monitor.ui.IContentViewer#setContent()
+        */
+       public void setContent(byte[] b) {
+               if (b == null || b.length == 0) {
+                       messageLabel.setText("<" + MonitorUIPlugin.getResource("%imageViewInvalid") + ">");
+               } else {
+                       byte cr = '\r';
+                       byte lf = '\n';
+                       int trimFront = 0;
+                       int trimBack = 0;
+                       int len = b.length - 1;
+                       while(b[trimFront] == cr || b[trimFront] == lf)
+                               trimFront++;
+                       while(b[len - trimBack] == cr || b[len - trimBack] == lf)
+                               trimBack++;
+                               
+                       if (trimFront + trimBack > 0) {
+                               byte[] temp = b;
+                               b = new byte[temp.length - trimBack - trimFront];
+                               for(int i = trimFront; i < temp.length - trimBack; i++) {
+                                       b[i - trimFront] = temp[i];
+                               }
+                       }
+                       try {
+                               ImageData imgD = new ImageData(new ByteArrayInputStream(b));
+                               Image img = new Image(null, imgD);
+                               messageLabel.setImage(img);
+                       } catch(Exception e) {
+                               messageLabel.setText("<" + MonitorUIPlugin.getResource("%imageViewInvalid") + ">");
+                       }
+               }
+               
+               viewerComp.layout(true);
+       }
+       
+       /* (non-Javadoc)
+        * @see net.sourceforge.phpdt.monitor.ui.IContentViewer#dispose()
+        */
+       public void dispose() {
+               viewerComp.dispose();
+       }
+}
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