Java tutorial
/* ********************************************************************** ** ** Copyright notice ** ** ** ** (c) 2005-2009 RSSOwl Development Team ** ** http://www.rssowl.org/ ** ** ** ** All rights reserved ** ** ** ** This program and the accompanying materials are made available under ** ** the terms of the Eclipse Public License v1.0 which accompanies this ** ** distribution, and is available at: ** ** http://www.rssowl.org/legal/epl-v10.html ** ** ** ** A copy is found in the file epl-v10.html and important notices to the ** ** license from the team is found in the textfile LICENSE.txt distributed ** ** in this package. ** ** ** ** This copyright notice MUST APPEAR in all copies of the file! ** ** ** ** Contributors: ** ** RSSOwl Development Team - initial API and implementation ** ** ** ** ********************************************************************** */ package org.rssowl.ui.internal.dialogs.preferences; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.jface.viewers.CheckboxTreeViewer; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.ITreeViewerListener; import org.eclipse.jface.viewers.TreeExpansionEvent; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.BusyIndicator; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Spinner; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.rssowl.core.Owl; import org.rssowl.core.internal.persist.pref.DefaultPreferences; import org.rssowl.core.persist.IFolder; import org.rssowl.core.persist.IFolderChild; import org.rssowl.core.persist.INewsBin; import org.rssowl.core.persist.dao.DynamicDAO; import org.rssowl.core.persist.dao.IFolderDAO; import org.rssowl.core.persist.pref.IPreferenceScope; import org.rssowl.core.util.CoreUtils; import org.rssowl.ui.internal.ApplicationWorkbenchWindowAdvisor; import org.rssowl.ui.internal.Controller; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.dialogs.NewsFiltersListDialog; import org.rssowl.ui.internal.util.LayoutUtils; import org.rssowl.ui.internal.views.explorer.BookMarkLabelProvider; import org.rssowl.ui.internal.views.explorer.BookMarkSorter; import java.util.Arrays; import java.util.Collection; import java.util.HashSet; import java.util.List; import java.util.Set; /** * @author bpasero */ public class NotifierPreferencesPage extends PreferencePage implements IWorkbenchPreferencePage { /** ID of the Page */ public static String ID = "org.rssowl.ui.NotifierPreferences"; //$NON-NLS-1$ private IPreferenceScope fGlobalScope = Owl.getPreferenceService().getGlobalScope(); private Button fNotificationOnlyFromTray; private Button fShowNotificationPopup; private Button fLimitNotificationCheck; private Spinner fLimitNotificationSpinner; private CheckboxTreeViewer fViewer; private Button fDeselectAll; private Button fSelectAll; private Button fLimitNotifierToSelectionCheck; private Spinner fAutoCloseNotifierSpinner; private Button fAutoCloseNotifierCheck; private Button fShowExcerptCheck; private Button fCloseNotifierOnOpen; private Button fFadeNotifierCheck; private LocalResourceManager fResources = new LocalResourceManager(JFaceResources.getResources()); /** Leave for reflection */ public NotifierPreferencesPage() { setImageDescriptor(OwlUI.getImageDescriptor("icons/elcl16/notification.gif")); //$NON-NLS-1$ } /** * @param title */ public NotifierPreferencesPage(String title) { super(title); } /* * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { } /* * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(Composite parent) { super.createControl(parent); updateApplyEnablement(false); } /* * @see org.eclipse.jface.dialogs.DialogPage#dispose() */ @Override public void dispose() { super.dispose(); fResources.dispose(); } /* * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { Composite container = createComposite(parent); /* Misc. Options */ createNotificationOptions(container); /* Info Container */ Composite infoContainer = new Composite(container, SWT.None); infoContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); infoContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0)); Label infoImg = new Label(infoContainer, SWT.NONE); infoImg.setImage(OwlUI.getImage(fResources, "icons/obj16/info.gif")); //$NON-NLS-1$ infoImg.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); Link infoText = new Link(infoContainer, SWT.WRAP); infoText.setText(Messages.NotifierPreferencesPage_NOTIFIER_TIP); infoText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); infoText.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { NewsFiltersListDialog dialog = NewsFiltersListDialog.getVisibleInstance(); if (dialog == null) { dialog = new NewsFiltersListDialog(getShell()); dialog.setBlockOnOpen(false); dialog.open(); } else { dialog.getShell().forceActive(); if (dialog.getShell().getMinimized()) dialog.getShell().setMinimized(false); } } }); applyDialogFont(container); /* Enable Apply Button on Selection Changes */ OwlUI.runOnSelection(new Runnable() { public void run() { updateApplyEnablement(true); } }, container); return container; } private void createNotifierViewer(Composite container) { /* Check Button to enable Limitation */ fLimitNotifierToSelectionCheck = new Button(container, SWT.CHECK); fLimitNotifierToSelectionCheck.setText(Messages.NotifierPreferencesPage_SHOW_FOR_SELECTED); fLimitNotifierToSelectionCheck .setSelection(fGlobalScope.getBoolean(DefaultPreferences.LIMIT_NOTIFIER_TO_SELECTION)); fLimitNotifierToSelectionCheck.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { setLimitNotificationEnabled(fLimitNotifierToSelectionCheck.getSelection()); } }); /* Viewer to select particular Folders/Marks */ fViewer = new CheckboxTreeViewer(container, SWT.BORDER); fViewer.setAutoExpandLevel(2); fViewer.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); ((GridData) fViewer.getTree().getLayoutData()).heightHint = 190; fViewer.getTree().setData(ApplicationWorkbenchWindowAdvisor.FOCUSLESS_SCROLL_HOOK, new Object()); /* Sort by Name if set so */ if (Owl.getPreferenceService().getGlobalScope().getBoolean(DefaultPreferences.BE_SORT_BY_NAME)) { BookMarkSorter sorter = new BookMarkSorter(); sorter.setType(BookMarkSorter.Type.SORT_BY_NAME); fViewer.setComparator(sorter); } /* ContentProvider */ fViewer.setContentProvider(new ITreeContentProvider() { public Object[] getElements(Object inputElement) { Collection<IFolder> rootFolders = CoreUtils.loadRootFolders(); return rootFolders.toArray(); } public Object[] getChildren(Object parentElement) { if (parentElement instanceof IFolder) { IFolder folder = (IFolder) parentElement; return folder.getChildren().toArray(); } return new Object[0]; } public Object getParent(Object element) { if (element instanceof IFolder) { IFolder folder = (IFolder) element; return folder.getParent(); } return null; } public boolean hasChildren(Object element) { if (element instanceof IFolder) { IFolder folder = (IFolder) element; return !folder.isEmpty(); } return false; } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); /* LabelProvider */ fViewer.setLabelProvider(new BookMarkLabelProvider(false, true)); /* Viewer Filter */ fViewer.addFilter(new ViewerFilter() { @Override public boolean select(Viewer viewer, Object parentElement, Object element) { return !(element instanceof INewsBin); } }); /* Listen on Doubleclick */ fViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection selection = (IStructuredSelection) event.getSelection(); IFolder folder = selection.getFirstElement() instanceof IFolder ? (IFolder) selection.getFirstElement() : null; /* Expand / Collapse Folder */ if (folder != null && !folder.isEmpty()) { boolean expandedState = !fViewer.getExpandedState(folder); fViewer.setExpandedState(folder, expandedState); if (expandedState && fViewer.getChecked(folder)) setChildsChecked(folder, true, true); } } }); /* Dummy Input */ fViewer.setInput(new Object()); /* Set Checked Elements */ Collection<IFolder> rootFolders = DynamicDAO.getDAO(IFolderDAO.class).loadRoots(); for (IFolder folder : rootFolders) { setCheckedElements(folder, false); } /* Update Checks on Selection */ fViewer.getTree().addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (e.detail == SWT.CHECK) { TreeItem item = (TreeItem) e.item; setChildsChecked((IFolderChild) item.getData(), item.getChecked(), false); if (!item.getChecked()) setParentsChecked((IFolderChild) item.getData(), false); } } }); /* Update Checks on Expand */ fViewer.addTreeListener(new ITreeViewerListener() { public void treeExpanded(TreeExpansionEvent event) { boolean isChecked = fViewer.getChecked(event.getElement()); if (isChecked) setChildsChecked((IFolderChild) event.getElement(), isChecked, false); } public void treeCollapsed(TreeExpansionEvent event) { } }); /* Select All / Deselect All */ Composite buttonContainer = new Composite(container, SWT.NONE); buttonContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0)); buttonContainer.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); fSelectAll = new Button(buttonContainer, SWT.PUSH); fSelectAll.setText(Messages.NotifierPreferencesPage_SELECT_ALL); Dialog.applyDialogFont(fSelectAll); setButtonLayoutData(fSelectAll); fSelectAll.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { OwlUI.setAllChecked(fViewer.getTree(), true); } }); fDeselectAll = new Button(buttonContainer, SWT.PUSH); fDeselectAll.setText(Messages.NotifierPreferencesPage_DESELECT_ALL); Dialog.applyDialogFont(fDeselectAll); setButtonLayoutData(fDeselectAll); fDeselectAll.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { OwlUI.setAllChecked(fViewer.getTree(), false); } }); setLimitNotificationEnabled(fLimitNotifierToSelectionCheck.getSelection()); } private void setCheckedElements(IFolderChild entity, boolean parentChecked) { /* Check for Preference */ IPreferenceScope prefs = Owl.getPreferenceService().getEntityScope(entity); if (prefs.getBoolean(DefaultPreferences.ENABLE_NOTIFIER)) { if (!parentChecked) { setParentsExpanded(entity); parentChecked = true; } fViewer.setChecked(entity, true); setChildsChecked(entity, true, true); } /* Check for Childs */ if (entity instanceof IFolder) { List<IFolderChild> children = ((IFolder) entity).getChildren(); for (IFolderChild child : children) { setCheckedElements(child, parentChecked); } } } private void setParentsExpanded(IFolderChild folderChild) { IFolder parent = folderChild.getParent(); if (parent != null) { fViewer.setExpandedState(parent, true); setParentsExpanded(parent); } } private void setLimitNotificationEnabled(boolean selection) { fViewer.getTree().setEnabled(selection); fSelectAll.setEnabled(selection); fDeselectAll.setEnabled(selection); } private void setChildsChecked(IFolderChild folderChild, boolean checked, boolean onlyExpanded) { if (folderChild instanceof IFolder && (!onlyExpanded || fViewer.getExpandedState(folderChild))) { List<IFolderChild> children = ((IFolder) folderChild).getChildren(); for (IFolderChild child : children) { fViewer.setChecked(child, checked); setChildsChecked(child, checked, onlyExpanded); } } } private void setParentsChecked(IFolderChild folderChild, boolean checked) { IFolder parent = folderChild.getParent(); if (parent != null) { fViewer.setChecked(parent, checked); setParentsChecked(parent, checked); } } private void createNotificationOptions(Composite container) { Composite notificationGroup = new Composite(container, SWT.None); notificationGroup.setLayout(LayoutUtils.createGridLayout(1, 0, 0)); notificationGroup.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* General */ { Label label = new Label(notificationGroup, SWT.NONE); label.setText(Messages.NotifierPreferencesPage_GENERAL); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(notificationGroup, SWT.None); group.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* Limit number of Items showing in Notification */ Composite limitItemsContainer = new Composite(group, SWT.None); limitItemsContainer.setLayout(LayoutUtils.createGridLayout(3, 0, 0, 0, 2, false)); int notificationLimit = fGlobalScope.getInteger(DefaultPreferences.LIMIT_NOTIFICATION_SIZE); fLimitNotificationCheck = new Button(limitItemsContainer, SWT.CHECK); fLimitNotificationCheck.setText(Messages.NotifierPreferencesPage_SHOW_MAX_NEWS_START); fLimitNotificationCheck.setSelection(notificationLimit >= 0); fLimitNotificationCheck.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fLimitNotificationSpinner.setEnabled(fLimitNotificationCheck.getSelection()); } }); fLimitNotificationSpinner = new Spinner(limitItemsContainer, SWT.BORDER); fLimitNotificationSpinner.setMinimum(1); fLimitNotificationSpinner.setMaximum(30); fLimitNotificationSpinner.setEnabled(fLimitNotificationCheck.getSelection()); if (notificationLimit > 0) fLimitNotificationSpinner.setSelection(notificationLimit); else fLimitNotificationSpinner.setSelection(notificationLimit * -1); label = new Label(limitItemsContainer, SWT.None); label.setText(Messages.NotifierPreferencesPage_SHOW_MAX_NEWS_END); /* Full Content */ fShowExcerptCheck = new Button(group, SWT.CHECK); fShowExcerptCheck.setText(Messages.NotifierPreferencesPage_SHOW_EXCERPT); fShowExcerptCheck.setSelection(fGlobalScope.getBoolean(DefaultPreferences.SHOW_EXCERPT_IN_NOTIFIER)); /* Only from Tray */ fNotificationOnlyFromTray = new Button(group, SWT.CHECK); fNotificationOnlyFromTray.setText(Messages.NotifierPreferencesPage_SHOW_WHEN_MINIMIZED); fNotificationOnlyFromTray.setSelection( fGlobalScope.getBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP_ONLY_WHEN_MINIMIZED)); /* Animate Notifier */ fFadeNotifierCheck = new Button(group, SWT.CHECK); fFadeNotifierCheck.setText(Messages.NotifierPreferencesPage_ANIMATE_NOTIFIER); fFadeNotifierCheck.setSelection(fGlobalScope.getBoolean(DefaultPreferences.FADE_NOTIFIER)); /* Close Notifier when opening Item */ fCloseNotifierOnOpen = new Button(group, SWT.CHECK); fCloseNotifierOnOpen.setText(Messages.NotifierPreferencesPage_CLOSE_NOTIFIER_ON_OPEN); fCloseNotifierOnOpen.setSelection(fGlobalScope.getBoolean(DefaultPreferences.CLOSE_NOTIFIER_ON_OPEN)); /* Auto Close Notifier */ Composite autoCloseContainer = new Composite(group, SWT.None); autoCloseContainer.setLayout(LayoutUtils.createGridLayout(3, 0, 0, 0, 2, false)); fAutoCloseNotifierCheck = new Button(autoCloseContainer, SWT.CHECK); fAutoCloseNotifierCheck.setText(Messages.NotifierPreferencesPage_CLOSE_AUTOMATICALLY); fAutoCloseNotifierCheck .setSelection(!fGlobalScope.getBoolean(DefaultPreferences.STICKY_NOTIFICATION_POPUP)); fAutoCloseNotifierCheck.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fAutoCloseNotifierSpinner.setEnabled(fAutoCloseNotifierCheck.getSelection()); } }); int notificationAutoCloseValue = fGlobalScope .getInteger(DefaultPreferences.AUTOCLOSE_NOTIFICATION_VALUE); fAutoCloseNotifierSpinner = new Spinner(autoCloseContainer, SWT.BORDER); fAutoCloseNotifierSpinner.setMinimum(1); fAutoCloseNotifierSpinner.setMaximum(99); fAutoCloseNotifierSpinner.setEnabled(fAutoCloseNotifierCheck.getSelection()); fAutoCloseNotifierSpinner.setSelection(notificationAutoCloseValue); label = new Label(autoCloseContainer, SWT.None); label.setText(Messages.NotifierPreferencesPage_SECONDS); } /* Incoming News */ { Label label = new Label(notificationGroup, SWT.NONE); label.setText(Messages.NotifierPreferencesPage_NOTIFICATION_FOR_INCOMING_NEWS); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(notificationGroup, SWT.None); group.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* Show Notification Popup */ fShowNotificationPopup = new Button(group, SWT.CHECK); fShowNotificationPopup.setText(Messages.NotifierPreferencesPage_SHOW_NOTIFIER); fShowNotificationPopup .setSelection(fGlobalScope.getBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP)); fShowNotificationPopup.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { setLimitNotificationEnabled(fLimitNotifierToSelectionCheck.getSelection()); } }); /* Viewer to select Folders/Marks for the Notifier */ createNotifierViewer(group); } } private Composite createComposite(Composite parent) { Composite composite = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.marginWidth = 0; layout.marginHeight = 0; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); composite.setFont(parent.getFont()); return composite; } /* * @see org.eclipse.jface.preference.PreferencePage#performOk() */ @Override public boolean performOk() { fGlobalScope.putBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP, fShowNotificationPopup.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP_ONLY_WHEN_MINIMIZED, fNotificationOnlyFromTray.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.FADE_NOTIFIER, fFadeNotifierCheck.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.SHOW_EXCERPT_IN_NOTIFIER, fShowExcerptCheck.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.CLOSE_NOTIFIER_ON_OPEN, fCloseNotifierOnOpen.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.STICKY_NOTIFICATION_POPUP, !fAutoCloseNotifierCheck.getSelection()); fGlobalScope.putInteger(DefaultPreferences.AUTOCLOSE_NOTIFICATION_VALUE, fAutoCloseNotifierSpinner.getSelection()); if (fLimitNotificationCheck.getSelection()) fGlobalScope.putInteger(DefaultPreferences.LIMIT_NOTIFICATION_SIZE, fLimitNotificationSpinner.getSelection()); else fGlobalScope.putInteger(DefaultPreferences.LIMIT_NOTIFICATION_SIZE, fLimitNotificationSpinner.getSelection() * -1); fGlobalScope.putBoolean(DefaultPreferences.LIMIT_NOTIFIER_TO_SELECTION, fLimitNotifierToSelectionCheck.getSelection()); /* Entity Scopes from Selected Elements */ if (fLimitNotifierToSelectionCheck.getSelection()) { Collection<IFolder> rootFolders = DynamicDAO.getDAO(IFolderDAO.class).loadRoots(); List<?> checkedElements = Arrays.asList(fViewer.getCheckedElements()); final Set<IFolderChild> entitiesToSave = new HashSet<IFolderChild>(); for (IFolder folder : rootFolders) { boolean checked = checkedElements.contains(folder); performOk(folder, checkedElements, entitiesToSave, checked); } /* Save */ BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() { public void run() { /* Save Entities */ DynamicDAO.saveAll(entitiesToSave); /* Inform Notification Service */ if (!entitiesToSave.isEmpty()) Controller.getDefault().getNotificationService().notifySettingsChanged(); } }); } return super.performOk(); } private void performOk(IFolderChild entity, List<?> checkedElements, Set<IFolderChild> entitiesToSave, boolean parentChecked) { IPreferenceScope prefs = Owl.getPreferenceService().getEntityScope(entity); boolean save = false; /* Folder */ boolean checked = checkedElements.contains(entity) || parentChecked; /* Now Checked and previously not */ if (checked && !prefs.getBoolean(DefaultPreferences.ENABLE_NOTIFIER)) { prefs.putBoolean(DefaultPreferences.ENABLE_NOTIFIER, true); save = true; } /* Now unchecked but previously checked */ else if (!checked && prefs.getBoolean(DefaultPreferences.ENABLE_NOTIFIER)) { prefs.delete(DefaultPreferences.ENABLE_NOTIFIER); save = true; } /* Remember to save if required */ if (save) entitiesToSave.add(entity); /* Childs */ if (entity instanceof IFolder) { List<IFolderChild> children = ((IFolder) entity).getChildren(); for (IFolderChild child : children) { performOk(child, checkedElements, entitiesToSave, checked); } } } /* * @see org.eclipse.jface.preference.PreferencePage#performApply() */ @Override protected void performApply() { super.performApply(); updateApplyEnablement(false); } /* * @see org.eclipse.jface.preference.PreferencePage#performDefaults() */ @Override protected void performDefaults() { super.performDefaults(); IPreferenceScope defaultScope = Owl.getPreferenceService().getDefaultScope(); fShowNotificationPopup.setSelection(defaultScope.getBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP)); fNotificationOnlyFromTray.setSelection( defaultScope.getBoolean(DefaultPreferences.SHOW_NOTIFICATION_POPUP_ONLY_WHEN_MINIMIZED)); fFadeNotifierCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.FADE_NOTIFIER)); fShowExcerptCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.SHOW_EXCERPT_IN_NOTIFIER)); fCloseNotifierOnOpen.setSelection(defaultScope.getBoolean(DefaultPreferences.CLOSE_NOTIFIER_ON_OPEN)); fAutoCloseNotifierCheck .setSelection(!defaultScope.getBoolean(DefaultPreferences.STICKY_NOTIFICATION_POPUP)); fAutoCloseNotifierSpinner .setSelection(defaultScope.getInteger(DefaultPreferences.AUTOCLOSE_NOTIFICATION_VALUE)); fAutoCloseNotifierSpinner.setEnabled(fAutoCloseNotifierCheck.getSelection()); /* Show a maximum of N News */ int limitNotificationValue = defaultScope.getInteger(DefaultPreferences.LIMIT_NOTIFICATION_SIZE); fLimitNotificationCheck.setSelection(limitNotificationValue >= 0); if (limitNotificationValue >= 0) fLimitNotificationSpinner.setSelection(limitNotificationValue); fLimitNotificationCheck.setEnabled(fShowNotificationPopup.getSelection()); fLimitNotificationSpinner.setEnabled(fShowNotificationPopup.getSelection()); /* Limit to Selected Elements */ fLimitNotifierToSelectionCheck .setSelection(defaultScope.getBoolean(DefaultPreferences.LIMIT_NOTIFIER_TO_SELECTION)); setLimitNotificationEnabled(fLimitNotifierToSelectionCheck.getSelection()); updateApplyEnablement(true); } private void updateApplyEnablement(boolean enable) { Button applyButton = getApplyButton(); if (applyButton != null && !applyButton.isDisposed() && applyButton.isEnabled() != enable) applyButton.setEnabled(enable); } }