modified look and feel to make timeline work on autopsy-linux

Core/src/org/sleuthkit/autopsy/corecomponents/Installer.java

@@ -31,6 +31,7 @@
 import org.openide.windows.WindowManager;
 import org.sleuthkit.autopsy.casemodule.StartupWindowProvider;
 import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.coreutils.ModuleSettings;
 
 /**
  * Manages this module's life cycle. Opens the startup dialog during startup.
@@ -72,6 +73,8 @@ public void uninstalled() {
     private void setLookAndFeel() {
         if (System.getProperty("os.name").toLowerCase().contains("mac")) { //NON-NLS
             setOSXLookAndFeel();
+        }else if (System.getProperty("os.name").toLowerCase().contains("nux")){
+            setUnixLookAndFeel();
         }
     }
 
@@ -111,4 +114,24 @@ private void setOSXLookAndFeel() {
             UIManager.put(entry.getKey(), entry.getValue());
         });
     }
+
+    private void setModuleSettings(String value) {
+        if (ModuleSettings.configExists("timeline")) {
+            ModuleSettings.setConfigSetting("timeline", "enable_timeline", value);
+        } else {
+            ModuleSettings.makeConfigFile("timeline");
+            ModuleSettings.setConfigSetting("timeline", "enable_timeline", value);
+        }
+    }
+
+    private void setUnixLookAndFeel(){
+        try {
+            UIManager.put("swing.boldMetal", Boolean.FALSE);
+            UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
+            setModuleSettings("true");
+        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
+            logger.log(Level.WARNING, "Error setting crossplatform look-and-feel, setting default look-and-feel",ex);
+            setModuleSettings("false");
+        }
+    }
 }

Core/src/org/sleuthkit/autopsy/timeline/OpenTimelineAction.java

@@ -36,6 +36,7 @@
 import org.sleuthkit.autopsy.core.Installer;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.coreutils.MessageNotifyUtil;
+import org.sleuthkit.autopsy.coreutils.ModuleSettings;
 import org.sleuthkit.autopsy.coreutils.ThreadConfined;
 import org.sleuthkit.datamodel.AbstractFile;
 import org.sleuthkit.datamodel.BlackboardArtifact;
@@ -97,7 +98,10 @@ public void performAction() {
                 }
             }
             setEnabled(false);
-        } else {
+        }else if("false".equals(ModuleSettings.getConfigSetting("timeline", "enable_timeline"))) {
+            Platform.runLater(PromptDialogManager::showTimeLineDisabledMessage);
+            setEnabled(false);
+        }else {
             showTimeline();
         }
     }

Core/src/org/sleuthkit/autopsy/timeline/PromptDialogManager.java

@@ -222,5 +222,20 @@ static void showTooManyFiles() {
         dialog.setHeaderText(Bundle.PromptDialogManager_showTooManyFiles_headerText());
         dialog.showAndWait();
     }
+
+    @NbBundle.Messages({
+        "PromptDialogManager.showTimeLineDisabledMessage.contentText="
+        + "Timeline functionality is not available for Linux yet."
+        + "  Timeline will be disabled. ",
+        "PromptDialogManager.showTimeLineDisabledMessage.headerText="})
+    static void showTimeLineDisabledMessage() {
+        Alert dialog = new Alert(Alert.AlertType.INFORMATION,
+                Bundle.PromptDialogManager_showTimeLineDisabledMessage_contentText(), ButtonType.OK);
+        dialog.initModality(Modality.APPLICATION_MODAL);
+        dialog.setTitle(Bundle.Timeline_dialogs_title());
+        setDialogIcons(dialog);
+        dialog.setHeaderText(Bundle.PromptDialogManager_showTimeLineDisabledMessage_headerText());
+        dialog.showAndWait();
+    }
 
 }