# This patch file was generated by NetBeans IDE
# Following Index: paths are relative to: /home/matthias/NetBeansProjects/core-main
# This patch can be applied using context Tools: Patch action on respective folder.
# It uses platform neutral UTF-8 encoding and \n newlines.
# Above lines and this line are ignored by the patching process.
Index: db.dataview/src/org/netbeans/modules/db/dataview/table/ResultSetCellRenderer.java
--- db.dataview/src/org/netbeans/modules/db/dataview/table/ResultSetCellRenderer.java Base (BASE)
+++ db.dataview/src/org/netbeans/modules/db/dataview/table/ResultSetCellRenderer.java Locally Modified (Based On LOCAL)
@@ -49,6 +49,8 @@
 import java.sql.Clob;
 import java.sql.SQLException;
 import java.text.SimpleDateFormat;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JTable;
@@ -233,27 +235,54 @@
     }
 }
 
-class ClobCellRenderer extends SQLConstantsCellRenderer {
+class ClobCellRenderer extends CellFocusCustomRenderer {
     @Override
     public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
         if (!(value instanceof Clob)) {
             throw new IllegalArgumentException("ClobCellRenderer can only be used for Blobs");
         }
+        
+        Clob clobValue = (Clob) value;
+        
+        StringBuilder contentPart = new StringBuilder();
+        StringBuilder clobDescription = new StringBuilder("<CLOB ");
+        
         try {
-            Long size = ((Clob) value).length();
-            StringBuilder stringValue = new StringBuilder();
-            stringValue.append("<CLOB ");
+            long size = clobValue.length();
+            
             if(size < 1000) {
-                stringValue.append(String.format("%1$d Chars", size));
+                clobDescription.append(String.format("%1$d Chars", size));
             } else if ( size < 1000000) {
-                stringValue.append(String.format("%1$d kChars", size / 1000));
+                clobDescription.append(String.format("%1$d kChars", size / 1000));
             } else {
-                stringValue.append(String.format("%1$d MChars", size / 1000000));
+                clobDescription.append(String.format("%1$d MChars", size / 1000000));
             }
-            stringValue.append(">");
-            return super.getTableCellRendererComponent(table, stringValue.toString(), isSelected, hasFocus, row, column);
         } catch (SQLException ex) {
-            return super.getTableCellRendererComponent(table, "<CLOB of unkown size>", isSelected, hasFocus, row, column);
+            clobDescription.append("of unknown size");
         }
+        clobDescription.append(">");
+        
+        try {
+            long size = clobValue.length();
+            long retrievalCount = Math.min(size, 255);
+            String sampleContent = clobValue.getSubString(1, (int) retrievalCount);
+            contentPart.append(sampleContent.replaceAll("[\n\r]+", " "));
+            if(size > 255) {
+                contentPart.append(" [...]");
     }
+        } catch (SQLException ex) {
+            Logger.getLogger(this.getClass().getName()).log(Level.INFO,
+                    "Failed to retrieve CLOB content",
+                    ex);
+            contentPart.append(clobDescription.toString());
 }
+        
+        Component renderer = super.getTableCellRendererComponent(table, contentPart.toString(), isSelected, hasFocus, row, column);
+        
+        if(renderer instanceof JComponent) {
+            ((JComponent) renderer).setToolTipText(clobDescription.toString());
+        }
+        
+        return renderer;
+    }
+}
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