Examples with Controller gate.Controller used on opensource projects

Example 1 with Controller

use of gate.Controller in project gate-core by GateNLP.

the class MainFrame method initListeners.

protected void initListeners() {
    Gate.getCreoleRegister().addCreoleListener(this);
    Gate.getCreoleRegister().addPluginListener(this);
    resourcesTree.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                // shows in the central tabbed pane, the selected resources
                // in the resource tree when the Enter key is pressed
                (new ShowSelectedResourcesAction()).actionPerformed(null);
            } else if (e.getKeyCode() == KeyEvent.VK_DELETE) {
                // close selected resources from GATE
                (new CloseSelectedResourcesAction()).actionPerformed(null);
            } else if (e.getKeyCode() == KeyEvent.VK_DELETE && e.getModifiers() == InputEvent.SHIFT_DOWN_MASK) {
                // close recursively selected resources from GATE
                (new CloseRecursivelySelectedResourcesAction()).actionPerformed(null);
            }
        }
    });
    resourcesTree.addMouseListener(new MouseAdapter() {

        @Override
        public void mousePressed(MouseEvent e) {
            TreePath path = resourcesTree.getClosestPathForLocation(e.getX(), e.getY());
            if (e.isPopupTrigger() && !resourcesTree.isPathSelected(path)) {
                // if right click outside the selection then reset selection
                resourcesTree.getSelectionModel().setSelectionPath(path);
            }
            processMouseEvent(e);
        }

        @Override
        public void mouseReleased(MouseEvent e) {
            processMouseEvent(e);
        }

        @Override
        public void mouseClicked(MouseEvent e) {
            processMouseEvent(e);
        }

        protected void processMouseEvent(MouseEvent e) {
            // where inside the tree?
            int x = e.getX();
            int y = e.getY();
            TreePath path = resourcesTree.getClosestPathForLocation(x, y);
            JPopupMenu popup = null;
            Handle handle = null;
            if (path != null) {
                Object value = path.getLastPathComponent();
                if (value == resourcesTreeRoot) {
                // no default item for this menu
                } else if (value == applicationsRoot) {
                    appsPopup = new XJPopupMenu();
                    LiveMenu appsMenu = new LiveMenu(LiveMenu.APP);
                    appsMenu.setText("Create New Application");
                    appsMenu.setIcon(MainFrame.getIcon("applications"));
                    appsPopup.add(appsMenu);
                    appsPopup.add(new ReadyMadeMenu());
                    appsPopup.add(new XJMenuItem(new LoadResourceFromFileAction(), MainFrame.this));
                    RecentAppsMenu recentApps = new RecentAppsMenu();
                    if (recentApps.getMenuComponentCount() > 0)
                        appsPopup.add(recentApps);
                    popup = appsPopup;
                } else if (value == languageResourcesRoot) {
                    popup = lrsPopup;
                } else if (value == processingResourcesRoot) {
                    popup = prsPopup;
                } else if (value == datastoresRoot) {
                    popup = dssPopup;
                } else {
                    value = ((DefaultMutableTreeNode) value).getUserObject();
                    if (value instanceof Handle) {
                        handle = (Handle) value;
                        fileChooser.setResource(handle.getTarget().getClass().getName());
                        if (e.isPopupTrigger()) {
                            popup = handle.getPopup();
                        }
                    }
                }
            }
            // popup menu
            if (e.isPopupTrigger()) {
                if (resourcesTree.getSelectionCount() > 1) {
                    // multiple selection in tree
                    popup = new XJPopupMenu();
                    // add a close all action
                    popup.add(new XJMenuItem(new CloseSelectedResourcesAction(), MainFrame.this));
                    // add a close recursively all action
                    TreePath[] selectedPaths = resourcesTree.getSelectionPaths();
                    for (TreePath selectedPath : selectedPaths) {
                        Object userObject = ((DefaultMutableTreeNode) selectedPath.getLastPathComponent()).getUserObject();
                        if (userObject instanceof NameBearerHandle && ((NameBearerHandle) userObject).getTarget() instanceof Controller) {
                            // there is at least one application
                            popup.add(new XJMenuItem(new CloseRecursivelySelectedResourcesAction(), MainFrame.this));
                            break;
                        }
                    }
                    // add a show all action
                    selectedPaths = resourcesTree.getSelectionPaths();
                    for (TreePath selectedPath : selectedPaths) {
                        Object userObject = ((DefaultMutableTreeNode) selectedPath.getLastPathComponent()).getUserObject();
                        if (userObject instanceof Handle && (!((Handle) userObject).viewsBuilt() || (mainTabbedPane.indexOfComponent(((Handle) userObject).getLargeView()) == -1))) {
                            // there is at least one resource not shown
                            popup.add(new XJMenuItem(new ShowSelectedResourcesAction(), MainFrame.this));
                            break;
                        }
                    }
                    // add a hide all action
                    selectedPaths = resourcesTree.getSelectionPaths();
                    for (TreePath selectedPath : selectedPaths) {
                        Object userObject = ((DefaultMutableTreeNode) selectedPath.getLastPathComponent()).getUserObject();
                        if (userObject instanceof Handle && ((Handle) userObject).viewsBuilt() && ((Handle) userObject).getLargeView() != null && (mainTabbedPane.indexOfComponent(((Handle) userObject).getLargeView()) != -1)) {
                            // there is at least one resource shown
                            popup.add(new XJMenuItem(new CloseViewsForSelectedResourcesAction(), MainFrame.this));
                            break;
                        }
                    }
                    popup.show(resourcesTree, e.getX(), e.getY());
                } else if (popup != null) {
                    if (handle != null) {
                        // add a close action
                        if (handle instanceof NameBearerHandle) {
                            popup.insert(new XJMenuItem(((NameBearerHandle) handle).getCloseAction(), MainFrame.this), 0);
                        }
                        // if application then add a close recursively action
                        if (handle instanceof NameBearerHandle && handle.getTarget() instanceof Controller) {
                            popup.insert(new XJMenuItem(((NameBearerHandle) handle).getCloseRecursivelyAction(), MainFrame.this), 1);
                        }
                        // add a show/hide action
                        if (handle.viewsBuilt() && handle.getLargeView() != null && (mainTabbedPane.indexOfComponent(handle.getLargeView()) != -1)) {
                            popup.insert(new XJMenuItem(new CloseViewAction(handle), MainFrame.this), 2);
                        } else {
                            popup.insert(new XJMenuItem(new ShowResourceAction(handle), MainFrame.this), 2);
                        }
                        // add a rename action
                        popup.insert(new XJMenuItem(new RenameResourceAction(path), MainFrame.this), 3);
                        // add a help action
                        if (handle instanceof NameBearerHandle) {
                            popup.insert(new XJMenuItem(new HelpOnItemTreeAction((NameBearerHandle) handle), MainFrame.this), 4);
                        }
                    }
                    popup.show(resourcesTree, e.getX(), e.getY());
                }
            } else if (e.getID() == MouseEvent.MOUSE_CLICKED && e.getClickCount() == 2 && handle != null) {
                // double click - show the resource
                select(handle);
            }
        }
    });
    resourcesTree.addTreeSelectionListener(new TreeSelectionListener() {

        @Override
        public void valueChanged(TreeSelectionEvent e) {
            if (!Gate.getUserConfig().getBoolean(MainFrame.class.getName() + ".treeselectview")) {
                return;
            }
            // the resource tree selection
            if (resourcesTree.getSelectionPaths() != null && resourcesTree.getSelectionPaths().length == 1) {
                Object value = e.getPath().getLastPathComponent();
                Object object = ((DefaultMutableTreeNode) value).getUserObject();
                if (object instanceof Handle && ((Handle) object).viewsBuilt() && (mainTabbedPane.indexOfComponent(((Handle) object).getLargeView()) != -1)) {
                    select((Handle) object);
                }
            }
        }
    });
    // define keystrokes action bindings at the level of the main window
    InputMap inputMap = ((JComponent) this.getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(KeyStroke.getKeyStroke("control F4"), "Close resource");
    inputMap.put(KeyStroke.getKeyStroke("shift F4"), "Close recursively");
    inputMap.put(KeyStroke.getKeyStroke("control H"), "Hide");
    inputMap.put(KeyStroke.getKeyStroke("control shift H"), "Hide all");
    inputMap.put(KeyStroke.getKeyStroke("control S"), "Save As XML");
    // TODO: remove when Swing will take care of the context menu key
    if (inputMap.get(KeyStroke.getKeyStroke("CONTEXT_MENU")) == null) {
        inputMap.put(KeyStroke.getKeyStroke("CONTEXT_MENU"), "Show context menu");
    }
    ActionMap actionMap = ((JComponent) instance.getContentPane()).getActionMap();
    actionMap.put("Show context menu", new AbstractAction() {

        @Override
        public void actionPerformed(ActionEvent e) {
            KeyboardFocusManager focusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
            // get the current focused component
            Component focusedComponent = focusManager.getFocusOwner();
            if (focusedComponent != null) {
                Point menuLocation = null;
                Rectangle selectionRectangle = null;
                if (focusedComponent instanceof JTable && ((JTable) focusedComponent).getSelectedRowCount() > 0) {
                    // selection in a JTable
                    JTable table = (JTable) focusedComponent;
                    selectionRectangle = table.getCellRect(table.getSelectionModel().getLeadSelectionIndex(), table.convertColumnIndexToView(table.getSelectedColumn()), false);
                } else if (focusedComponent instanceof JTree && ((JTree) focusedComponent).getSelectionCount() > 0) {
                    // selection in a JTree
                    JTree tree = (JTree) focusedComponent;
                    selectionRectangle = tree.getRowBounds(tree.getSelectionModel().getLeadSelectionRow());
                } else {
                    // for other component set the menu location at the top left corner
                    menuLocation = new Point(focusedComponent.getX() - 1, focusedComponent.getY() - 1);
                }
                if (menuLocation == null) {
                    // menu location at the bottom left of the JTable or JTree
                    menuLocation = new Point(new Double(selectionRectangle.getMinX() + 1).intValue(), new Double(selectionRectangle.getMaxY() - 1).intValue());
                }
                // generate a right/button 3/popup menu mouse click
                focusedComponent.dispatchEvent(new MouseEvent(focusedComponent, MouseEvent.MOUSE_PRESSED, e.getWhen(), MouseEvent.BUTTON3_DOWN_MASK, menuLocation.x, menuLocation.y, 1, true, MouseEvent.BUTTON3));
            }
        }
    });
    mainTabbedPane.getModel().addChangeListener(new ChangeListener() {

        @Override
        public void stateChanged(ChangeEvent e) {
            // find the handle in the resources tree for the main view
            JComponent largeView = (JComponent) mainTabbedPane.getSelectedComponent();
            Enumeration<?> nodesEnum = resourcesTreeRoot.preorderEnumeration();
            boolean done = false;
            DefaultMutableTreeNode node = resourcesTreeRoot;
            while (!done && nodesEnum.hasMoreElements()) {
                node = (DefaultMutableTreeNode) nodesEnum.nextElement();
                done = node.getUserObject() instanceof Handle && ((Handle) node.getUserObject()).viewsBuilt() && ((Handle) node.getUserObject()).getLargeView() == largeView;
            }
            ActionMap actionMap = ((JComponent) instance.getContentPane()).getActionMap();
            if (done) {
                Handle handle = (Handle) node.getUserObject();
                if (Gate.getUserConfig().getBoolean(MainFrame.class.getName() + ".viewselecttree")) {
                    // synchronise the selection in the tabbed pane with
                    // the one in the resources tree
                    TreePath nodePath = new TreePath(node.getPath());
                    resourcesTree.setSelectionPath(nodePath);
                    resourcesTree.scrollPathToVisible(nodePath);
                }
                lowerScroll.getViewport().setView(handle.getSmallView());
                // redefine MainFrame actionMaps for the selected tab
                JComponent resource = (JComponent) mainTabbedPane.getSelectedComponent();
                actionMap.put("Close resource", resource.getActionMap().get("Close resource"));
                actionMap.put("Close recursively", resource.getActionMap().get("Close recursively"));
                actionMap.put("Hide", new CloseViewAction(handle));
                actionMap.put("Hide all", new HideAllAction());
                actionMap.put("Save As XML", resource.getActionMap().get("Save As XML"));
            } else {
                // the selected item is not a resource (maybe the log area?)
                lowerScroll.getViewport().setView(null);
                // disabled actions on the selected tabbed pane
                actionMap.put("Close resource", null);
                actionMap.put("Close recursively", null);
                actionMap.put("Hide", null);
                actionMap.put("Hide all", null);
                actionMap.put("Save As XML", null);
            }
        }
    });
    mainTabbedPane.addMouseListener(new MouseAdapter() {

        @Override
        public void mousePressed(MouseEvent e) {
            processMouseEvent(e);
        }

        @Override
        public void mouseReleased(MouseEvent e) {
            processMouseEvent(e);
        }

        protected void processMouseEvent(MouseEvent e) {
            if (e.isPopupTrigger()) {
                int index = mainTabbedPane.getIndexAt(e.getPoint());
                if (index != -1) {
                    JComponent view = (JComponent) mainTabbedPane.getComponentAt(index);
                    Enumeration<?> nodesEnum = resourcesTreeRoot.preorderEnumeration();
                    boolean done = false;
                    DefaultMutableTreeNode node = resourcesTreeRoot;
                    while (!done && nodesEnum.hasMoreElements()) {
                        node = (DefaultMutableTreeNode) nodesEnum.nextElement();
                        done = node.getUserObject() instanceof Handle && ((Handle) node.getUserObject()).viewsBuilt() && ((Handle) node.getUserObject()).getLargeView() == view;
                    }
                    if (done) {
                        Handle handle = (Handle) node.getUserObject();
                        JPopupMenu popup = handle.getPopup();
                        // add a hide action
                        CloseViewAction cva = new CloseViewAction(handle);
                        XJMenuItem menuItem = new XJMenuItem(cva, MainFrame.this);
                        popup.insert(menuItem, 0);
                        // add a hide all action
                        if (mainTabbedPane.getTabCount() > 2) {
                            HideAllAction haa = new HideAllAction();
                            menuItem = new XJMenuItem(haa, MainFrame.this);
                            popup.insert(menuItem, 1);
                        }
                        popup.show(mainTabbedPane, e.getX(), e.getY());
                    }
                }
            }
        }
    });
    addComponentListener(new ComponentAdapter() {

        @Override
        public void componentShown(ComponentEvent e) {
            leftSplit.setDividerLocation(0.7);
        }

        @Override
        public void componentResized(ComponentEvent e) {
            // resize proportionally the status bar elements
            int width = MainFrame.this.getWidth();
            statusBar.setPreferredSize(new Dimension(width * 65 / 100, statusBar.getPreferredSize().height));
            progressBar.setPreferredSize(new Dimension(width * 20 / 100, progressBar.getPreferredSize().height));
            progressBar.setMinimumSize(new Dimension(80, 0));
            globalProgressBar.setPreferredSize(new Dimension(width * 10 / 100, globalProgressBar.getPreferredSize().height));
            globalProgressBar.setMinimumSize(new Dimension(80, 0));
        }
    });
    // blink the messages tab when new information is displayed
    logArea.getDocument().addDocumentListener(new javax.swing.event.DocumentListener() {

        @Override
        public void insertUpdate(javax.swing.event.DocumentEvent e) {
            changeOccured();
        }

        @Override
        public void removeUpdate(javax.swing.event.DocumentEvent e) {
            changeOccured();
        }

        @Override
        public void changedUpdate(javax.swing.event.DocumentEvent e) {
        }

        protected void changeOccured() {
            logHighlighter.highlight();
        }
    });
    logArea.addPropertyChangeListener("document", new PropertyChangeListener() {

        @Override
        public void propertyChange(PropertyChangeEvent evt) {
            // add the document listener
            logArea.getDocument().addDocumentListener(new javax.swing.event.DocumentListener() {

                @Override
                public void insertUpdate(javax.swing.event.DocumentEvent e) {
                    changeOccured();
                }

                @Override
                public void removeUpdate(javax.swing.event.DocumentEvent e) {
                    changeOccured();
                }

                @Override
                public void changedUpdate(javax.swing.event.DocumentEvent e) {
                    changeOccured();
                }

                protected void changeOccured() {
                    logHighlighter.highlight();
                }
            });
        }
    });
    Gate.getListeners().put("gate.event.StatusListener", MainFrame.this);
    Gate.getListeners().put("gate.event.ProgressListener", MainFrame.this);
    if (Gate.runningOnMac()) {
        // mac-specific initialisation
        initMacListeners();
    }
}

Example 2 with Controller

use of gate.Controller in project gate-core by GateNLP.

the class MainFrame method resourceLoaded.

@Override
public void resourceLoaded(CreoleEvent e) {
    final Resource res = e.getResource();
    if (Gate.getHiddenAttribute(res.getFeatures()) || res instanceof VisualResource)
        return;
    // SwingUtilities.invokeLater(new Runnable() {
    // @Override
    // public void run() {
    NameBearerHandle handle = null;
    if (res instanceof Controller) {
        handle = new NameBearerHandle(res, MainFrame.this);
        DefaultMutableTreeNode node = new DefaultMutableTreeNode(handle, false);
        resourcesTreeModel.insertNodeInto(node, applicationsRoot, 0);
    } else if (res instanceof ProcessingResource) {
        handle = new NameBearerHandle(res, MainFrame.this);
        DefaultMutableTreeNode node = new DefaultMutableTreeNode(handle, false);
        resourcesTreeModel.insertNodeInto(node, processingResourcesRoot, 0);
    } else if (res instanceof LanguageResource) {
        handle = new NameBearerHandle(res, MainFrame.this);
        DefaultMutableTreeNode node = new DefaultMutableTreeNode(handle, false);
        resourcesTreeModel.insertNodeInto(node, languageResourcesRoot, 0);
    }
    if (handle != null)
        handle.addProgressListener(MainFrame.this);
    if (handle != null)
        handle.addStatusListener(MainFrame.this);
// }
// });
// JPopupMenu popup = handle.getPopup();
// 
// // Create a CloseViewAction and a menu item based on it
// CloseViewAction cva = new CloseViewAction(handle);
// XJMenuItem menuItem = new XJMenuItem(cva, this);
// // Add an accelerator ATL+F4 for this action
// menuItem.setAccelerator(KeyStroke.getKeyStroke(
// KeyEvent.VK_H, ActionEvent.CTRL_MASK));
// popup.insert(menuItem, 1);
// popup.insert(new JPopupMenu.Separator(), 2);
// 
// popup.insert(new XJMenuItem(
// new RenameResourceAction(
// new TreePath(resourcesTreeModel.getPathToRoot(node))),
// MainFrame.this) , 3);
// 
// // Put the action command in the component's action map
// if (handle.getLargeView() != null)
// handle.getLargeView().getActionMap().put("Hide current
// view",cva);
// 
}

Example 3 with Controller

use of gate.Controller in project gate-core by GateNLP.

the class MainFrame method resourceUnloaded.

// resourceLoaded();
@Override
public void resourceUnloaded(CreoleEvent e) {
    final Resource res = e.getResource();
    if (Gate.getHiddenAttribute(res.getFeatures()))
        return;
    Runnable runner = new Runnable() {

        @Override
        public void run() {
            DefaultMutableTreeNode node;
            DefaultMutableTreeNode parent = null;
            if (res instanceof Controller) {
                parent = applicationsRoot;
            } else if (res instanceof ProcessingResource) {
                parent = processingResourcesRoot;
            } else if (res instanceof LanguageResource) {
                parent = languageResourcesRoot;
            }
            if (parent != null) {
                Enumeration<?> children = parent.children();
                while (children.hasMoreElements()) {
                    node = (DefaultMutableTreeNode) children.nextElement();
                    if (((NameBearerHandle) node.getUserObject()).getTarget() == res) {
                        resourcesTreeModel.removeNodeFromParent(node);
                        Handle handle = (Handle) node.getUserObject();
                        if (handle.viewsBuilt()) {
                            if (mainTabbedPane.indexOfComponent(handle.getLargeView()) != -1)
                                mainTabbedPane.remove(handle.getLargeView());
                            if (lowerScroll.getViewport().getView() == handle.getSmallView())
                                lowerScroll.getViewport().setView(null);
                        }
                        handle.cleanup();
                        return;
                    }
                }
            }
        }
    };
    SwingUtilities.invokeLater(runner);
}

Example 4 with Controller

use of gate.Controller in project gate-core by GateNLP.

the class NameBearerHandle method buildStaticPopupItems.

protected void buildStaticPopupItems() {
    // build the static part of the popup
    staticPopupItems = new ArrayList<JComponent>();
    if (target instanceof ProcessingResource && !(target instanceof Controller)) {
        // actions for PRs (but not Controllers)
        staticPopupItems.add(null);
        staticPopupItems.add(new XJMenuItem(new ReloadAction(), sListenerProxy));
        staticPopupItems.add(new XJMenuItem(new ApplicationWithPRAction(), sListenerProxy));
    } else if (target instanceof LanguageResource) {
        // Language Resources
        staticPopupItems.add(null);
        if (target instanceof Document) {
            staticPopupItems.add(new XJMenuItem(new CreateCorpusForDocAction(), sListenerProxy));
        }
        if (target instanceof gate.TextualDocument) {
            staticPopupItems.add(null);
            staticPopupItems.add(new DocumentExportMenu(this));
        } else if (target instanceof Corpus) {
            corpusFiller = new CorpusFillerComponent();
            scfInputDialog = new SingleConcatenatedFileInputDialog();
            staticPopupItems.add(new XJMenuItem(new PopulateCorpusAction(), sListenerProxy));
            staticPopupItems.add(new XJMenuItem(new PopulateCorpusFromSingleConcatenatedFileAction(), sListenerProxy));
            staticPopupItems.add(null);
            staticPopupItems.add(new DocumentExportMenu(this));
        }
        if (((LanguageResource) target).getDataStore() != null) {
            // this item can be used only if the resource belongs to a
            // datastore
            staticPopupItems.add(new XJMenuItem(new SaveAction(), sListenerProxy));
        }
        if (!(target instanceof AnnotationSchema)) {
            staticPopupItems.add(new XJMenuItem(new SaveToAction(), sListenerProxy));
        }
    }
    if (target instanceof Controller) {
        // Applications
        staticPopupItems.add(null);
        if (target instanceof SerialAnalyserController) {
            staticPopupItems.add(new XJMenuItem(new MakeConditionalAction(), sListenerProxy));
        }
        staticPopupItems.add(new XJMenuItem(new DumpToFileAction(), sListenerProxy));
        staticPopupItems.add(new XJMenuItem(new ExportApplicationAction(), sListenerProxy));
    }
}

Example 5 with Controller

use of gate.Controller in project gate-core by GateNLP.

the class ControllerMetadataViewer method setTarget.

@Override
public void setTarget(Object target) {
    if (target == null)
        throw new NullPointerException("received a null target");
    if (!(target instanceof Controller))
        throw new IllegalArgumentException("not a controller");
    Controller controller = (Controller) target;
    if (!controller.getFeatures().containsKey("gate.app.MetadataURL"))
        throw new IllegalArgumentException("no gate.app.MetadataURL feature");
    try {
        URL metadata = (URL) controller.getFeatures().get("gate.app.MetadataURL");
        URL longDesc = new URL(metadata, "long-desc.html");
        URL iconDesc = new URL(metadata, "icon.png");
        Document document = builder.parse(metadata.openStream());
        Node text = document.getDocumentElement().getElementsByTagName("pipeline-name").item(0).getFirstChild();
        Font font = Gate.getUserConfig().getFont(GateConstants.TEXT_COMPONENTS_FONT);
        StringBuilder page = new StringBuilder();
        page.append("<!DOCTYPE html>");
        page.append("<html>");
        page.append("<head>");
        page.append("<style type='text/css'>body { font-family: ").append(font.getFamily()).append("; font-size: ").append(font.getSize()).append("pt }</style>");
        page.append("</head>");
        page.append("<body>");
        page.append("<h1><img style='vertical-align: middle;' src='").append(StringEscapeUtils.escapeHtml(iconDesc.toString())).append("'/> ").append(StringEscapeUtils.escapeHtml(text.getTextContent())).append("</h1>");
        page.append(IOUtils.toString(longDesc, "UTF-8"));
        page.append("</body></html>");
        // parse using NekoHTML
        HTMLConfiguration config = new HTMLConfiguration();
        // Force element names to lower case to match XHTML requirements
        // as that is what Flying Saucer expects
        config.setProperty("http://cyberneko.org/html/properties/names/elems", "lower");
        DOMParser htmlParser = new DOMParser(config);
        htmlParser.parse(new InputSource(new StringReader(page.toString())));
        display.setDocument(htmlParser.getDocument(), longDesc.toString());
    } catch (Exception e) {
        throw new IllegalArgumentException(e);
    }
}