5093 initial change of Html viewer to use JavaFx

Core/src/org/sleuthkit/autopsy/contentviewers/HtmlPanel.form

@@ -16,41 +16,24 @@
   <Layout>
     <DimensionLayout dim="0">
       <Group type="103" groupAlignment="0" attributes="0">
-          <Component id="htmlScrollPane" pref="300" max="32767" attributes="0"/>
           <Group type="102" attributes="0">
               <Component id="showImagesToggleButton" min="-2" max="-2" attributes="0"/>
-              <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
+              <EmptySpace min="0" pref="203" max="32767" attributes="0"/>
           </Group>
+          <Component id="htmlScrollPane" max="32767" attributes="0"/>
       </Group>
     </DimensionLayout>
     <DimensionLayout dim="1">
       <Group type="103" groupAlignment="0" attributes="0">
           <Group type="102" alignment="0" attributes="0">
               <Component id="showImagesToggleButton" min="-2" max="-2" attributes="0"/>
-              <EmptySpace max="-2" attributes="0"/>
+              <EmptySpace min="-2" max="-2" attributes="0"/>
-              <Component id="htmlScrollPane" pref="71" max="32767" attributes="0"/>
+              <Component id="htmlScrollPane" pref="74" max="32767" attributes="0"/>
           </Group>
       </Group>
     </DimensionLayout>
   </Layout>
   <SubComponents>
-    <Container class="javax.swing.JScrollPane" name="htmlScrollPane">
-      <Properties>
-        <Property name="verticalScrollBarPolicy" type="int" value="22"/>
-      </Properties>
-      <AuxValues>
-        <AuxValue name="autoScrollPane" type="java.lang.Boolean" value="true"/>
-      </AuxValues>
-
-      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
-      <SubComponents>
-        <Component class="javax.swing.JTextPane" name="htmlbodyTextPane">
-          <Properties>
-            <Property name="editable" type="boolean" value="false"/>
-          </Properties>
-        </Component>
-      </SubComponents>
-    </Container>
     <Component class="javax.swing.JToggleButton" name="showImagesToggleButton">
       <Properties>
         <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
@@ -61,5 +44,9 @@
         <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="showImagesToggleButtonActionPerformed"/>
       </Events>
     </Component>
+    <Container class="javax.swing.JScrollPane" name="htmlScrollPane">
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
+    </Container>
   </SubComponents>
 </Form>

Core/src/org/sleuthkit/autopsy/contentviewers/HtmlPanel.java

@@ -18,6 +18,10 @@
  */
 package org.sleuthkit.autopsy.contentviewers;
 
+import javafx.application.Platform;
+import javafx.scene.web.WebView;
+import javafx.embed.swing.JFXPanel;
+import javafx.scene.Scene;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.openide.util.NbBundle.Messages;
@@ -29,16 +33,23 @@ import org.openide.util.NbBundle.Messages;
 final class HtmlPanel extends javax.swing.JPanel {
 
     private static final long serialVersionUID = 1L;
-    
+    private WebView webView;
     private String htmlText;
+    private JFXPanel jfxPanel = new JFXPanel();
 
     /**
      * Creates new form HtmlViewerPanel
      */
     HtmlPanel() {
         initComponents();
-        
+        //wjs
-        Utilities.configureTextPaneAsHtml(htmlbodyTextPane);
+        Platform.runLater(() -> {
+            webView = new WebView();
+            webView.getEngine().setJavaScriptEnabled(false);
+            Scene scene = new Scene(webView);
+            jfxPanel.setScene(scene);
+            htmlScrollPane.setViewportView(jfxPanel);
+        });
     }
 
     /**
@@ -55,21 +66,13 @@ final class HtmlPanel extends javax.swing.JPanel {
      * Clear the HTML in the text pane and disable the show/hide button.
      */
     void reset() {
-        htmlbodyTextPane.setText("");
+        //wjs
+        Platform.runLater(() -> {
+            webView.getEngine().loadContent("");
+        });
         showImagesToggleButton.setEnabled(false);
     }
 
-    /**
-     * Guarantee the HTML text has 'html' and 'body' tags.
-     * 
-     * @param htmlText The HTML text
-     * 
-     * @return The HTML text with the 'html' and 'body' tags applied.
-     */
-    private String wrapInHtmlBody(String htmlText) {
-        return "<html><body>" + htmlText + "</body></html>";
-    }
-
     /**
      * Cleans out input HTML string
      *
@@ -93,22 +96,26 @@ final class HtmlPanel extends javax.swing.JPanel {
     @Messages({
         "HtmlPanel_showImagesToggleButton_show=Show Images",
         "HtmlPanel_showImagesToggleButton_hide=Hide Images",
-        "Html_text_display_error=The HTML text cannot be displayed, it may not be correctly formed HTML.",
+        "Html_text_display_error=The HTML text cannot be displayed, it may not be correctly formed HTML.",})
-    })
     private void refresh() {
         if (false == htmlText.isEmpty()) {
             try {
                 if (showImagesToggleButton.isSelected()) {
                     showImagesToggleButton.setText(Bundle.HtmlPanel_showImagesToggleButton_hide());
-                    this.htmlbodyTextPane.setText(wrapInHtmlBody(htmlText));
+                    Platform.runLater(() -> {
+                        webView.getEngine().loadContent("JUST A STRING");
+                    });
                 } else {
                     showImagesToggleButton.setText(Bundle.HtmlPanel_showImagesToggleButton_show());
-                    this.htmlbodyTextPane.setText(wrapInHtmlBody(cleanseHTML(htmlText)));
+                    Platform.runLater(() -> {
+                        webView.getEngine().loadContent(cleanseHTML("JUST A STRING"));
+                    });
                 }
                 showImagesToggleButton.setEnabled(true);
-                htmlbodyTextPane.setCaretPosition(0); 
+            } catch (Exception ignored) {
-            } catch(Exception ex) {
+                Platform.runLater(() -> {
-                this.htmlbodyTextPane.setText(wrapInHtmlBody(Bundle.Html_text_display_error()));
+                    webView.getEngine().loadContent(Bundle.Html_text_display_error());
+                });
             }
         }
     }
@@ -122,14 +129,8 @@ final class HtmlPanel extends javax.swing.JPanel {
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
     private void initComponents() {
 
-        htmlScrollPane = new javax.swing.JScrollPane();
-        htmlbodyTextPane = new javax.swing.JTextPane();
         showImagesToggleButton = new javax.swing.JToggleButton();
-
+        htmlScrollPane = new javax.swing.JScrollPane();
-        htmlScrollPane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
-
-        htmlbodyTextPane.setEditable(false);
-        htmlScrollPane.setViewportView(htmlbodyTextPane);
 
         org.openide.awt.Mnemonics.setLocalizedText(showImagesToggleButton, org.openide.util.NbBundle.getMessage(HtmlPanel.class, "HtmlPanel.showImagesToggleButton.text")); // NOI18N
         showImagesToggleButton.addActionListener(new java.awt.event.ActionListener() {
@@ -142,17 +143,17 @@ final class HtmlPanel extends javax.swing.JPanel {
         this.setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addComponent(htmlScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 300, Short.MAX_VALUE)
             .addGroup(layout.createSequentialGroup()
                 .addComponent(showImagesToggleButton)
-                .addGap(0, 0, Short.MAX_VALUE))
+                .addGap(0, 203, Short.MAX_VALUE))
+            .addComponent(htmlScrollPane)
         );
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addComponent(showImagesToggleButton)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(htmlScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 71, Short.MAX_VALUE))
+                .addComponent(htmlScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 74, Short.MAX_VALUE))
         );
     }// </editor-fold>//GEN-END:initComponents
 
@@ -163,7 +164,6 @@ final class HtmlPanel extends javax.swing.JPanel {
 
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JScrollPane htmlScrollPane;
-    private javax.swing.JTextPane htmlbodyTextPane;
     private javax.swing.JToggleButton showImagesToggleButton;
     // End of variables declaration//GEN-END:variables
 }