git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@172 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

8 files changed, 202 insertions, 7 deletions

diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIFacade.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIFacade.java
index c7032f90..87982c79 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIFacade.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIFacade.java
@@ -89,6 +89,7 @@ public interface BKUGUIFacade {
   public static final String BUTTON_SAVE = "button.save";
   public static final String BUTTON_CLOSE = "button.close";
   public static final String SAVE_HASHDATAINPUT_PREFIX = "save.hashdatainput.prefix";
+  public static final String ALT_HELP = "alt.help";
 
   public void init(Container contentPane, Locale locale, URL background, ActionListener helpListener);
 
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/DefaultHelpListener.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/DefaultHelpListener.java
new file mode 100644
index 00000000..ba968a48
--- /dev/null
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/DefaultHelpListener.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package at.gv.egiz.bku.gui;
+
+import java.applet.AppletContext;
+import java.net.URL;
+import java.util.Locale;
+import javax.swing.SwingUtilities;
+
+/**
+ * 
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public class DefaultHelpListener extends AbstractHelpListener {
+
+  protected AppletContext ctx;
+
+  public DefaultHelpListener(AppletContext ctx, URL helpURL, Locale locale) {
+    super(helpURL, locale);
+    this.ctx = ctx;
+  }
+
+  public DefaultHelpListener(URL helpURL, Locale locale) {
+    super(helpURL, locale);
+    this.ctx = null;
+  }
+
+  @Override
+  public void showDocument(final URL helpURL, final String helpTopic) throws Exception {
+    log.debug("schedule help dialog");
+    
+    SwingUtilities.invokeLater(new Runnable() {
+
+        @Override
+        public void run() {
+          
+          log.debug("show help dialog");
+          
+          if (ctx == null) {
+            HelpViewer.showHelpDialog(helpURL, helpTopic, messages);
+      
+          } else {
+            HelpViewer.showHelpDialog(ctx, helpURL, helpTopic, messages);
+          }
+        }
+      });
+  }
+}
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HashDataViewer.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HashDataViewer.java
index 8883098a..31887bde 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HashDataViewer.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HashDataViewer.java
@@ -16,6 +16,7 @@
  */
 package at.gv.egiz.bku.gui;
 
+import at.gv.egiz.bku.gui.html.RestrictedHTMLEditorKit;
 import at.gv.egiz.stal.HashDataInput;
 import java.awt.Component;
 import java.awt.Container;
@@ -23,6 +24,7 @@ import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.Frame;
+import java.awt.Image;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
@@ -47,6 +49,11 @@ import javax.swing.JScrollPane;
 import javax.swing.LayoutStyle;
 import javax.swing.text.Document;
 import javax.swing.text.EditorKit;
+import javax.swing.text.Element;
+import javax.swing.text.ViewFactory;
+import javax.swing.text.html.HTML;
+import javax.swing.text.html.HTMLEditorKit;
+import javax.swing.text.html.ImageView;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
@@ -184,11 +191,14 @@ public class HashDataViewer extends JDialog
     }
 
     JEditorPane viewer = new JEditorPane();
-    viewer.setEditable(false);
-    viewer.setContentType(mimeType);
+    
     if ("text/plain".equals(mimeType)) {
       viewer.setFont(new Font(PLAINTEXT_FONT, viewer.getFont().getStyle(), viewer.getFont().getSize()));
+//    } else if ("text/html".equals(mimeType)) {
+//      viewer.setEditorKitForContentType("text/html", new RestrictedHTMLEditorKit());
     }
+    viewer.setEditable(false);
+    viewer.setContentType(mimeType);
 
     EditorKit editorKit = viewer.getEditorKit();
     Document document = editorKit.createDefaultDocument();
@@ -220,6 +230,7 @@ public class HashDataViewer extends JDialog
     if (helpListener != null) {
       JLabel helpLabel = new JLabel();
       helpLabel.setIcon(new ImageIcon(getClass().getResource(BKUGUIFacade.HELP_IMG)));
+      helpLabel.getAccessibleContext().setAccessibleName(messages.getString(BKUGUIFacade.ALT_HELP));
       helpLabel.addMouseListener(new MouseAdapter() {
 
         @Override
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java
index 42ca2090..173254e7 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/HelpViewer.java
@@ -16,7 +16,6 @@
  */
 package at.gv.egiz.bku.gui;
 
-import at.gv.egiz.bku.gui.*;
 import java.applet.AppletContext;
 import java.awt.Component;
 import java.awt.Container;
@@ -30,7 +29,6 @@ import java.net.URL;
 import java.text.MessageFormat;
 import java.util.ResourceBundle;
 import javax.swing.GroupLayout;
-import javax.swing.ImageIcon;
 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JEditorPane;
@@ -136,6 +134,7 @@ public class HelpViewer extends JDialog
     final JEditorPane viewer = new JEditorPane();
     viewer.setEditable(false);
     try {
+      viewer.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
       viewer.setPage(helpURL);
       viewer.addHyperlinkListener(new HyperlinkListener() {
 
@@ -165,7 +164,7 @@ public class HelpViewer extends JDialog
       String p = messages.getString(BKUGUIFacade.ERR_VIEWER);
       viewer.setText(MessageFormat.format(p, new Object[]{ex.getMessage()}));
     }
-
+    viewer.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
     JScrollPane scrollPane = new JScrollPane(viewer);
     scrollPane.setPreferredSize(viewer.getPreferredSize());
     scrollPane.setAlignmentX(LEFT_ALIGNMENT);
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ImagePanel.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ImagePanel.java
index 1185cf53..271c0b65 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ImagePanel.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/ImagePanel.java
@@ -24,8 +24,8 @@ import javax.swing.ImageIcon;
 import javax.swing.JPanel;
 
 /**
- *
- * @author clemens
+ * 
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
  */
 public class ImagePanel extends JPanel {
 
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java
index a810d34c..bb568b75 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java
@@ -158,6 +158,11 @@ public class SimpleGUI implements BKUGUIFacade {
       if (background == null) {
         background = this.getClass().getResource(DEFAULT_BACKGROUND);
       }
+      if ("file".equals(background.getProtocol())) {
+        log.warn("local background image not allowed: " + background);
+        background = this.getClass().getResource(DEFAULT_BACKGROUND);
+      }
+      log.debug("loading background " + background);
       contentPanel = new ImagePanel(background);
 
 //        contentPanel.setBorder(new TitledBorder("content"));
@@ -179,6 +184,7 @@ public class SimpleGUI implements BKUGUIFacade {
         
         helpLabel = new JLabel();
         helpLabel.setIcon(new ImageIcon(getClass().getResource(HELP_IMG))); 
+        helpLabel.getAccessibleContext().setAccessibleName(messages.getString(ALT_HELP));
         helpLabel.addMouseListener(helpListener);
         helpLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
         
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedHTMLEditorKit.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedHTMLEditorKit.java
new file mode 100644
index 00000000..680bf1a4
--- /dev/null
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedHTMLEditorKit.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package at.gv.egiz.bku.gui.html;
+
+import javax.swing.text.Element;
+import javax.swing.text.StyleConstants;
+import javax.swing.text.View;
+import javax.swing.text.html.HTML;
+import javax.swing.text.html.HTMLEditorKit;
+
+/**
+ *
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public class RestrictedHTMLEditorKit extends HTMLEditorKit {
+  
+ 
+  public static class RestrictedHTMLFactory extends HTMLFactory {
+
+    @Override
+    public View create(Element elem) {
+      Object o =
+        elem.getAttributes().getAttribute(StyleConstants.NameAttribute);
+      if (o instanceof HTML.Tag) {
+        HTML.Tag kind = (HTML.Tag) o;
+        if (kind == HTML.Tag.IMG)
+          return new RestrictedImageView(elem);
+      }
+      return super.create( elem );
+    }
+
+  }
+
+}
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedImageView.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedImageView.java
new file mode 100644
index 00000000..b1aa35db
--- /dev/null
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/html/RestrictedImageView.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package at.gv.egiz.bku.gui.html;
+
+import javax.swing.text.Element;
+import javax.swing.text.html.HTML;
+import javax.swing.text.html.ImageView;
+
+/**
+ *
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+/**
+   * ImageViewer.refreshImage() (and loadImage()) is private :-(
+   */
+  public class RestrictedImageView extends ImageView {
+
+    public RestrictedImageView(Element elem) {
+      super(elem);
+    }
+
+//    @Override
+//    public Image getImage() {
+//      int s = state;
+//        if ((s & RELOAD_IMAGE_FLAG) != 0) {
+//            refreshImage();
+//        }
+//        s = state;
+//        if ((s & RELOAD_FLAG) != 0) {
+//            synchronized(this) {
+//                state = (state | RELOAD_FLAG) ^ RELOAD_FLAG;
+//            }
+//            setPropertiesFromAttributes();
+//        }
+//      return super.getImage();
+//    }
+    
+    /**
+     * check whether this URL corresponds to the data URI scheme 
+     * (and the referenced content is directly included in the document).
+     * @return
+     */
+    private boolean isDataURI() {
+      String src = (String)getElement().getAttributes().
+                             getAttribute(HTML.Attribute.SRC);
+      if (src == null) {
+        return false;
+      }
+
+      return src.toLowerCase().startsWith("data");
+    }
+  }
\ No newline at end of file