TSK-270 Provide Hit Navigation in keyword search results

- initial version, index/scrolling needs to be more precise

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/Bundle.properties

@@ -7,3 +7,10 @@ KeywordSearchTopComponent.filesIndexedNameLabel.text=Files indexed:
 KeywordSearchTopComponent.filesIndexedValLabel.text=-
 KeywordSearchTopComponent.filesIndexedNameLabel.AccessibleContext.accessibleName=Files indexed:
 KeywordSearchTopComponent.filesIndexedValLabel.AccessibleContext.accessibleName=-
+ExtractedContentPanel.hitLabel.text=Hit:
+ExtractedContentPanel.hitCountLabel.text=-
+ExtractedContentPanel.hitOfLabel.text=of
+ExtractedContentPanel.hitTotalLabel.text=-
+ExtractedContentPanel.hitButtonsLabel.text=Hit
+ExtractedContentPanel.hitPreviousButton.text=
+ExtractedContentPanel.hitNextButton.text=

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/ExtractedContentFind.java

@@ -0,0 +1,167 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2011 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * 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 org.sleuthkit.autopsy.keywordsearch;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.apache.commons.lang.StringEscapeUtils;
+
+
+public class ExtractedContentFind {
+    
+    private static final Logger logger = Logger.getLogger(ExtractedContentFind.class.getName());
+    
+    ExtractedContentFind(ExtractedContentViewer viewer) {
+        this.viewer = viewer;
+        findIndex = new HashMap<MarkupSource, ArrayList<Long>>();
+        curIndex = new HashMap<MarkupSource, Integer>();
+    }
+    
+    private HashMap<MarkupSource, ArrayList<Long>>findIndex;
+    private HashMap<MarkupSource, Integer>curIndex;
+    private ExtractedContentViewer viewer;
+    
+    public static int INDEX_INITIALIZED = -1;
+    public static int INDEX_NOT_FOUND = -2;
+    
+    public int getCurrentIndexTotal(MarkupSource source) {
+        ArrayList<Long> index = indexSource(source);
+        return index.size();
+    }
+    
+    public int getCurrentIndexI(MarkupSource source) {
+        indexSource(source);
+        Integer curI = curIndex.get(source);
+        if (curI != null)
+            return curI;
+        else return -1;      
+    }
+    
+    /**
+     * get next line number corresponding to indexed match, no wrapping
+     * requires call to hasNext() first
+     * or INDEX_NOT_FOUND if no next hit
+     * @param source
+     * @return line number where match occurs
+     */
+    public long getNext(MarkupSource source) {
+        ArrayList<Long> index = indexSource(source);
+        int total = index.size();
+        int cur = curIndex.get(source);
+        if (total == 0 || cur == total -1) return INDEX_NOT_FOUND;
+        ++cur;
+        //update curIndex location
+        curIndex.put(source, cur);
+        return index.get(cur);
+    }
+    
+    /**
+     * 
+     * @param source
+     * @return true if the source has next hit
+     */
+    public boolean hasNext(MarkupSource source) {
+        ArrayList<Long> index = indexSource(source);
+        int total = index.size();
+        int cur = curIndex.get(source);
+        if (total == 0) return false;
+        else if (cur == INDEX_INITIALIZED) return true;
+        else if (cur == total - 1)
+            return false;
+        return true;
+    }
+    
+    /**
+     * 
+     * @param source
+     * @return true if the source has previous hit
+     */
+    public boolean hasPrevious(MarkupSource source) {
+        ArrayList<Long> index = indexSource(source);
+        int total = index.size();
+        int cur = curIndex.get(source);
+        if (total == 0) return false;
+        else if (cur == INDEX_INITIALIZED) return false;
+        else if (cur == 0) return false;
+        return true;
+    }
+    
+       /**
+     * get previous line number corresponding to indexed match, no wrapping
+     * requires call to hasPrevious() first
+     * or INDEX_NOT_FOUND if no previous hit
+     * @param source
+     * @return line number where match occurs
+     */
+    public long getPrevious(MarkupSource source) {
+       ArrayList<Long> index = indexSource(source);
+        int total = index.size();
+        int cur = curIndex.get(source);
+        if (total == 0 || cur == 0) return INDEX_NOT_FOUND;
+        --cur;
+        //update curIndex location
+        curIndex.put(source, cur);
+        return index.get(cur);    
+    }
+    
+    /**
+     * Add MarkupSource to find functionality, or return if already exists for that source.
+     * @param source MarkupSource to add to find
+     */
+    private ArrayList<Long> indexSource(MarkupSource source) {
+        //return if already indexed
+        ArrayList<Long> indexed = findIndex.get(source);
+        if (indexed != null || source.isSearchable() == false)
+            return indexed;
+        
+        indexed = new ArrayList<Long>();
+        String markup = source.getMarkup();   
+
+        //logger.log(Level.INFO,markup); 
+        final String indexSearchTok = source.getSearchToken();
+        if (indexSearchTok == null || indexSearchTok.equals("")) {
+            return indexed;
+        }
+        final int indexSearchTokLen = indexSearchTok.length();
+        long docOffset = 0;
+        long index = -1;
+       
+        while ((index = markup.indexOf(indexSearchTok, (int)docOffset)) >= 0) {
+            //TODO check if (int) cast above presents limitation for large files
+            
+            //calculate and store index stripping all markup for scrolling to work properly
+            //need to map index to content with no html
+            //try cheat: compensata fot highlight tags (might be other things, such as escape chars)
+            //perfectly we'd scan both documents at same time and map index from one to another
+            indexed.add(index);
+            docOffset = index + indexSearchTokLen; //next offset past the keyword
+        }     
+        //add indices to index collection
+        findIndex.put(source, indexed);
+        //add current for tracking
+        curIndex.put(source, INDEX_INITIALIZED);
+        
+        return indexed;
+    }
+    
+    
+}

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/ExtractedContentPanel.form

@@ -17,7 +17,21 @@
     <DimensionLayout dim="0">
       <Group type="103" groupAlignment="0" attributes="0">
           <Group type="102" alignment="1" attributes="0">
-              <EmptySpace pref="334" max="32767" attributes="0"/>
+              <EmptySpace max="-2" attributes="0"/>
+              <Component id="hitLabel" min="-2" max="-2" attributes="0"/>
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Component id="hitCountLabel" min="-2" pref="12" max="-2" attributes="0"/>
+              <EmptySpace max="-2" attributes="0"/>
+              <Component id="hitOfLabel" min="-2" max="-2" attributes="0"/>
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Component id="hitTotalLabel" min="-2" pref="18" max="-2" attributes="0"/>
+              <EmptySpace min="-2" pref="41" max="-2" attributes="0"/>
+              <Component id="hitButtonsLabel" min="-2" max="-2" attributes="0"/>
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Component id="hitPreviousButton" min="-2" pref="23" max="-2" attributes="0"/>
+              <EmptySpace max="-2" attributes="0"/>
+              <Component id="hitNextButton" min="-2" pref="23" max="-2" attributes="0"/>
+              <EmptySpace pref="125" max="32767" attributes="0"/>
               <Component id="sourceComboBox" min="-2" max="-2" attributes="0"/>
               <EmptySpace max="-2" attributes="0"/>
           </Group>
@@ -27,9 +41,20 @@
     <DimensionLayout dim="1">
       <Group type="103" groupAlignment="0" attributes="0">
           <Group type="102" alignment="0" attributes="0">
-              <Component id="sourceComboBox" min="-2" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="0" attributes="0">
+                  <Group type="103" groupAlignment="3" attributes="0">
+                      <Component id="sourceComboBox" alignment="3" min="-2" max="-2" attributes="0"/>
+                      <Component id="hitLabel" alignment="3" min="-2" max="-2" attributes="0"/>
+                      <Component id="hitButtonsLabel" alignment="3" min="-2" max="-2" attributes="0"/>
+                      <Component id="hitOfLabel" alignment="3" min="-2" max="-2" attributes="0"/>
+                      <Component id="hitTotalLabel" alignment="3" min="-2" max="-2" attributes="0"/>
+                      <Component id="hitCountLabel" alignment="3" min="-2" max="-2" attributes="0"/>
+                  </Group>
+                  <Component id="hitPreviousButton" min="-2" pref="23" max="-2" attributes="0"/>
+                  <Component id="hitNextButton" min="-2" pref="23" max="-2" attributes="0"/>
+              </Group>
               <EmptySpace max="-2" attributes="0"/>
-              <Component id="jScrollPane1" pref="274" max="32767" attributes="0"/>
+              <Component id="jScrollPane1" pref="271" max="32767" attributes="0"/>
           </Group>
       </Group>
     </DimensionLayout>
@@ -62,5 +87,60 @@
         </Property>
       </Properties>
     </Component>
+    <Component class="javax.swing.JLabel" name="hitLabel">
+      <Properties>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="hitCountLabel">
+      <Properties>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitCountLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="hitOfLabel">
+      <Properties>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitOfLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="hitTotalLabel">
+      <Properties>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitTotalLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="hitButtonsLabel">
+      <Properties>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitButtonsLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="hitPreviousButton">
+      <Properties>
+        <Property name="icon" type="javax.swing.Icon" editor="org.netbeans.modules.form.editors2.IconEditor">
+          <Image iconType="3" name="/org/sleuthkit/autopsy/keywordsearch/arrow_left.gif"/>
+        </Property>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitPreviousButton.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="hitNextButton">
+      <Properties>
+        <Property name="icon" type="javax.swing.Icon" editor="org.netbeans.modules.form.editors2.IconEditor">
+          <Image iconType="3" name="/org/sleuthkit/autopsy/keywordsearch/arrow_right.gif"/>
+        </Property>
+        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+          <ResourceString bundle="org/sleuthkit/autopsy/keywordsearch/Bundle.properties" key="ExtractedContentPanel.hitNextButton.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+        </Property>
+      </Properties>
+    </Component>
   </SubComponents>
 </Form>

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/ExtractedContentPanel.java

@@ -18,10 +18,19 @@
  */
 package org.sleuthkit.autopsy.keywordsearch;
 
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.event.ActionListener;
 import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JViewport;
+import javax.swing.SwingUtilities;
+import org.apache.commons.logging.Log;
 
 /**
  * Panel displays HTML content sent to ExtractedContentViewer, and provides
@@ -29,9 +38,12 @@ import java.util.List;
  */
 class ExtractedContentPanel extends javax.swing.JPanel {
 
+    private static Logger logger = Logger.getLogger(ExtractedContentPanel.class.getName());
+
     ExtractedContentPanel() {
         initComponents();
-        
+
+        initControls();
         extractedTextPane.setContentType("text/html");
 
         sourceComboBox.addItemListener(new ItemListener() {
@@ -59,6 +71,13 @@ class ExtractedContentPanel extends javax.swing.JPanel {
         jScrollPane1 = new javax.swing.JScrollPane();
         extractedTextPane = new javax.swing.JTextPane();
         sourceComboBox = new javax.swing.JComboBox();
+        hitLabel = new javax.swing.JLabel();
+        hitCountLabel = new javax.swing.JLabel();
+        hitOfLabel = new javax.swing.JLabel();
+        hitTotalLabel = new javax.swing.JLabel();
+        hitButtonsLabel = new javax.swing.JLabel();
+        hitPreviousButton = new javax.swing.JButton();
+        hitNextButton = new javax.swing.JButton();
 
         extractedTextPane.setEditable(false);
         extractedTextPane.setAutoscrolls(false);
@@ -66,12 +85,42 @@ class ExtractedContentPanel extends javax.swing.JPanel {
 
         sourceComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
 
+        hitLabel.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitLabel.text")); // NOI18N
+
+        hitCountLabel.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitCountLabel.text")); // NOI18N
+
+        hitOfLabel.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitOfLabel.text")); // NOI18N
+
+        hitTotalLabel.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitTotalLabel.text")); // NOI18N
+
+        hitButtonsLabel.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitButtonsLabel.text")); // NOI18N
+
+        hitPreviousButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/sleuthkit/autopsy/keywordsearch/arrow_left.gif"))); // NOI18N
+        hitPreviousButton.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitPreviousButton.text")); // NOI18N
+
+        hitNextButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/org/sleuthkit/autopsy/keywordsearch/arrow_right.gif"))); // NOI18N
+        hitNextButton.setText(org.openide.util.NbBundle.getMessage(ExtractedContentPanel.class, "ExtractedContentPanel.hitNextButton.text")); // NOI18N
+
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
         this.setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                .addContainerGap(334, Short.MAX_VALUE)
+                .addContainerGap()
+                .addComponent(hitLabel)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addComponent(hitCountLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 12, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                .addComponent(hitOfLabel)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addComponent(hitTotalLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 18, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addGap(41, 41, 41)
+                .addComponent(hitButtonsLabel)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addComponent(hitPreviousButton, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                .addComponent(hitNextButton, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 125, Short.MAX_VALUE)
                 .addComponent(sourceComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addContainerGap())
             .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
@@ -79,18 +128,33 @@ class ExtractedContentPanel extends javax.swing.JPanel {
         layout.setVerticalGroup(
             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
-                .addComponent(sourceComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                        .addComponent(sourceComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                        .addComponent(hitLabel)
+                        .addComponent(hitButtonsLabel)
+                        .addComponent(hitOfLabel)
+                        .addComponent(hitTotalLabel)
+                        .addComponent(hitCountLabel))
+                    .addComponent(hitPreviousButton, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
+                    .addComponent(hitNextButton, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 274, Short.MAX_VALUE))
+                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 271, Short.MAX_VALUE))
         );
     }// </editor-fold>//GEN-END:initComponents
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JTextPane extractedTextPane;
+    private javax.swing.JLabel hitButtonsLabel;
+    private javax.swing.JLabel hitCountLabel;
+    private javax.swing.JLabel hitLabel;
+    private javax.swing.JButton hitNextButton;
+    private javax.swing.JLabel hitOfLabel;
+    private javax.swing.JButton hitPreviousButton;
+    private javax.swing.JLabel hitTotalLabel;
     private javax.swing.JScrollPane jScrollPane1;
     private javax.swing.JComboBox sourceComboBox;
     // End of variables declaration//GEN-END:variables
 
-    
     /**
      * Set the available sources (selects the first source in the list by
      * default)
@@ -109,8 +173,105 @@ class ExtractedContentPanel extends javax.swing.JPanel {
         }
     }
 
+    /**
+     * 
+     * @return currently available sources on the panel
+     */
+    public List<MarkupSource> getSources() {
+        ArrayList<MarkupSource> sources = new ArrayList<MarkupSource>();
+        for (int i = 0; i < sourceComboBox.getItemCount(); ++i) {
+            sources.add((MarkupSource) sourceComboBox.getItemAt(i));
+        }
+        return sources;
+    }
+
+    /**
+     * 
+     * @return currently selected Source
+     */
+    public MarkupSource getSelectedSource() {
+        return (MarkupSource) sourceComboBox.getSelectedItem();
+    }
+
     private void setPanelText(String text) {
         extractedTextPane.setText(text);
         extractedTextPane.setCaretPosition(0);
+        logger.log(Level.INFO, extractedTextPane.getText());
+    }
+
+    private void initControls() {
+        hitPreviousButton.setEnabled(false);
+        hitNextButton.setEnabled(false);
+    }
+
+    /**
+     * 
+     * @param offset to scroll to
+     */
+    public void scrollTo(int offset) {
+        //extractedTextPane.setCaretPosition(offset);
+        //
+        JViewport viewport = (JViewport) SwingUtilities.getAncestorOfClass(JViewport.class, extractedTextPane);
+        if (viewport == null) {
+            return;
+        }
+        int height = viewport.getExtentSize().height;
+        try {
+            Rectangle viewRectangle = extractedTextPane.modelToView(offset);
+            if (viewRectangle == null) {
+                return;
+            }
+            int y = viewRectangle.y - height / 2;
+            y = Math.max(0, y);
+            y = Math.min(y, extractedTextPane.getHeight() - height);
+            viewport.setViewPosition(new Point(0, y));
+        } catch (javax.swing.text.BadLocationException ex) {
+            logger.log(Level.WARNING, "Failed scrolling to index " + offset);
+        }
+
+    }
+
+    /**
+     * 
+     * @param current, current hit to update the display with
+     */
+    public void updateCurrentDisplay(int current) {
+        hitCountLabel.setText(Integer.toString(current));
+    }
+
+    /**
+     * 
+     * @param total total number of hits to update the display with
+     */
+    public void updateTotalDisplay(int total) {
+        hitTotalLabel.setText(Integer.toString(total));
+    }
+
+    /**
+     * enable previous hit control
+     * @param enable whether to enable or disable
+     */
+    public void enablePrevControl(boolean enable) {
+        hitPreviousButton.setEnabled(enable);
+    }
+
+    /**
+     * enable previous hit control
+     * @param enable whether to enable or disable
+     */
+    public void enableNextControl(boolean enable) {
+        hitNextButton.setEnabled(enable);
+    }
+
+    public void addPrevControlListener(ActionListener l) {
+        hitPreviousButton.addActionListener(l);
+    }
+
+    public void addNextControlListener(ActionListener l) {
+        hitNextButton.addActionListener(l);
+    }
+
+    public void addSourceComboControlListener(ActionListener l) {
+        sourceComboBox.addActionListener(l);
     }
 }

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/ExtractedContentViewer.java

@@ -19,6 +19,8 @@
 package org.sleuthkit.autopsy.keywordsearch;
 
 import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -43,8 +45,10 @@ public class ExtractedContentViewer implements DataContentViewer {
 
     private static final Logger logger = Logger.getLogger(ExtractedContentViewer.class.getName());
     private ExtractedContentPanel panel;
+    private ExtractedContentFind find;
 
     public ExtractedContentViewer() {
+        find = new ExtractedContentFind(this);
     }
 
     @Override
@@ -64,7 +68,7 @@ public class ExtractedContentViewer implements DataContentViewer {
 
 
         if (solrHasContent(selectedNode)) {
-            
+
             sources.add(new MarkupSource() {
 
                 @Override
@@ -82,8 +86,18 @@ public class ExtractedContentViewer implements DataContentViewer {
                 public String toString() {
                     return "Extracted Content";
                 }
+
+                @Override
+                public boolean isSearchable() {
+                    return false;
+                }
+
+                @Override
+                public String getSearchToken() {
+                    return "";
+                }
             });
-            
+
         }
 
         // first source will be the default displayed
@@ -104,6 +118,9 @@ public class ExtractedContentViewer implements DataContentViewer {
     public Component getComponent() {
         if (panel == null) {
             panel = new ExtractedContentPanel();
+            panel.addPrevControlListener(new PrevFindActionListener());
+            panel.addNextControlListener(new NextFindActionListener());
+            panel.addSourceComboControlListener(new SourceChangeActionListener());
         }
         return panel;
     }
@@ -123,7 +140,7 @@ public class ExtractedContentViewer implements DataContentViewer {
 
         return !sources.isEmpty() || solrHasContent(node);
     }
-    
+
     @Override
     public boolean isPreferred(ContentNode node) {
         return isSupported(node);
@@ -177,4 +194,89 @@ public class ExtractedContentViewer implements DataContentViewer {
         String content = (String) solrCore.query(q).getResults().get(0).getFieldValue("content");
         return content;
     }
+
+    class NextFindActionListener implements ActionListener {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            MarkupSource source = panel.getSelectedSource();
+            if (find.hasNext(source)) {
+                long indexVal = find.getNext(source);
+                logger.log(Level.INFO, "INDEX NEXT: " + indexVal);
+                
+                //scroll
+                panel.scrollTo((int)indexVal);
+
+                //update display
+                panel.updateCurrentDisplay(find.getCurrentIndexI(source) + 1);
+                panel.updateTotalDisplay(find.getCurrentIndexTotal(source));
+
+                //update controls if needed
+                if (!find.hasNext(source)) {
+                    panel.enableNextControl(false);
+                }
+                if (find.hasPrevious(source)) {
+                    panel.enablePrevControl(true);
+                }
+            }
+        }
+    }
+
+    class PrevFindActionListener implements ActionListener {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            MarkupSource source = panel.getSelectedSource();
+            if (find.hasPrevious(source)) {
+                long indexVal = find.getPrevious(source);
+                logger.log(Level.INFO, "INDEX PREVIOUS: " + indexVal);
+                //scroll
+                panel.scrollTo((int)indexVal);
+
+                //update display
+                panel.updateCurrentDisplay(find.getCurrentIndexI(source) + 1);
+                panel.updateTotalDisplay(find.getCurrentIndexTotal(source));
+
+                //update controls if needed
+                if (!find.hasPrevious(source)) {
+                    panel.enablePrevControl(false);
+                }
+                if (find.hasNext(source)) {
+                    panel.enableNextControl(true);
+                }
+            }
+        }
+    }
+
+    class SourceChangeActionListener implements ActionListener {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            MarkupSource source = panel.getSelectedSource();
+
+            //setup find buttons
+
+            if (source != null && source.isSearchable()) {
+                panel.updateCurrentDisplay(find.getCurrentIndexI(source) + 1);
+                panel.updateTotalDisplay(find.getCurrentIndexTotal(source));
+
+                if (find.hasNext(source)) {
+                    panel.enableNextControl(true);
+                } else {
+                    panel.enableNextControl(false);
+                }
+
+                if (find.hasPrevious(source)) {
+                    panel.enablePrevControl(true);
+                } else {
+                    panel.enablePrevControl(false);
+                }
+            } else {
+                panel.enableNextControl(false);
+                panel.enablePrevControl(false);
+            }
+
+
+        }
+    }
 }

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/HighlightedMatchesSource.java

@@ -33,6 +33,9 @@ import org.sleuthkit.datamodel.Content;
 class HighlightedMatchesSource implements MarkupSource {
 
     private static final Logger logger = Logger.getLogger(HighlightedMatchesSource.class.getName());
+    private static final String HIGHLIGHT_PRE = "<span style=\"background:yellow\">";
+    private static final String HIGHLIGHT_POST = "</span>";
+    
     Content content;
     String solrQuery;
     Core solrCore;
@@ -54,8 +57,8 @@ class HighlightedMatchesSource implements MarkupSource {
         q.setQuery(solrQuery);
         q.addFilterQuery("id:" + content.getId());
         q.addHighlightField("content");
-        q.setHighlightSimplePre("<span style=\"background:yellow\">");
-        q.setHighlightSimplePost("</span>");
+        q.setHighlightSimplePre(HIGHLIGHT_PRE);
+        q.setHighlightSimplePost(HIGHLIGHT_POST);
         q.setHighlightFragsize(0); // don't fragment the highlight
 
         try {
@@ -76,4 +79,14 @@ class HighlightedMatchesSource implements MarkupSource {
     public String toString() {
         return "Search Matches";
     }
+    
+    @Override
+    public boolean isSearchable() {
+        return true;
+    }
+    
+    @Override
+    public String getSearchToken() {
+        return HIGHLIGHT_PRE;
+    }
 }

KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/MarkupSource.java

@@ -29,6 +29,19 @@ public interface MarkupSource {
      * components can handle in their setText() method.
      */
     String getMarkup();
+    
+    /**
+     * 
+     * @return true if markup is marked to be searchable
+     */
+    boolean isSearchable();
+    
+    /**
+     * If searchable markup, returns search token, otherwise return empty string
+     * TODO pull up into SearchableMarkupSource abstract class
+     * @return 
+     */
+    String getSearchToken();
 
     /**
      * @return title of markup source