Java tutorial
/* * Copyright (c) 2004-2011 Marco Maccaferri and others. * 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.eclipse.org/legal/epl-v10.html * * Contributors: * Marco Maccaferri - initial API and implementation */ package org.eclipsetrader.ui.internal.views; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.net.URI; import java.util.Date; import java.util.HashSet; import java.util.Set; import org.eclipse.core.databinding.observable.list.IListChangeListener; import org.eclipse.core.databinding.observable.list.ListChangeEvent; import org.eclipse.core.databinding.observable.list.ListDiffVisitor; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.GroupMarker; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerDropAdapter; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.DND; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.dnd.TransferData; import org.eclipse.swt.events.ControlAdapter; import org.eclipse.swt.events.ControlEvent; import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.ImageData; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IMemento; import org.eclipse.ui.ISaveablePart; import org.eclipse.ui.IViewSite; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.PartInitException; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.actions.ActionFactory; import org.eclipse.ui.part.ViewPart; import org.eclipse.ui.themes.ITheme; import org.eclipse.ui.themes.IThemeManager; import org.eclipsetrader.core.instruments.ISecurity; import org.eclipsetrader.core.markets.MarketPricingEnvironment; import org.eclipsetrader.core.repositories.IRepositoryRunnable; import org.eclipsetrader.core.repositories.IRepositoryService; import org.eclipsetrader.core.views.IEditableDataProvider; import org.eclipsetrader.core.views.IWatchList; import org.eclipsetrader.core.views.IWatchListElement; import org.eclipsetrader.core.views.WatchList; import org.eclipsetrader.ui.UIConstants; import org.eclipsetrader.ui.internal.UIActivator; import org.eclipsetrader.ui.internal.ats.ViewColumn; import org.eclipsetrader.ui.navigator.RepositoryObjectTransfer; import org.eclipsetrader.ui.navigator.SecurityObjectTransfer; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; public class WatchListView extends ViewPart implements ISaveablePart { public static final String VIEW_ID = "org.eclipsetrader.ui.views.watchlist"; //$NON-NLS-1$ private static final String K_VIEWS = "Views"; //$NON-NLS-1$ private static final String K_URI = "uri"; //$NON-NLS-1$ private static final String K_SORT_COLUMN = "sortColumn"; //$NON-NLS-1$ private static final String K_SORT_DIRECTION = "sortDirection"; //$NON-NLS-1$ private static final String COLUMNS_SECTION = "columns"; //$NON-NLS-1$ private URI uri; WatchList watchList; private TableViewer viewer; WatchListViewModel model; private WatchListViewTickDecorator tickDecorator; private Action deleteAction; private Action settingsAction; private IDialogSettings dialogSettings; private IDialogSettings columnsSection; private IRepositoryService repositoryService; private MarketPricingEnvironment pricingEnvironment; private Color evenRowsColor; private Color oddRowsColor; private Color positiveTickColor; private Color negativeTickColor; private int sortColumn = 0; private int sortDirection = SWT.UP; IPreferenceStore preferenceStore; IThemeManager themeManager; private ControlAdapter columnControlListener = new ControlAdapter() { @Override public void controlResized(ControlEvent e) { TableColumn tableColumn = (TableColumn) e.widget; if (dialogSettings != null) { IDialogSettings columnsSection = dialogSettings.getSection(COLUMNS_SECTION); if (columnsSection == null) { columnsSection = dialogSettings.addNewSection(COLUMNS_SECTION); } columnsSection.put(tableColumn.getText(), tableColumn.getWidth()); } } }; private SelectionAdapter columnSelectionAdapter = new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { TableColumn tableColumn = (TableColumn) e.widget; Table table = tableColumn.getParent(); sortColumn = tableColumn.getParent().indexOf(tableColumn); if (table.getSortColumn() == tableColumn) { sortDirection = sortDirection == SWT.UP ? SWT.DOWN : SWT.UP; } else { sortDirection = SWT.UP; table.setSortColumn(table.getColumn(sortColumn)); } table.setSortDirection(sortDirection); WatchListViewColumn column = model.getColumns().get(sortColumn); dialogSettings.put(K_SORT_COLUMN, column.getId()); dialogSettings.put(K_SORT_DIRECTION, sortDirection == SWT.UP ? 1 : -1); viewer.refresh(); updateBackgrounds(); } }; private final PropertyChangeListener modelChangeListener = new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { if (WatchListViewModel.PROP_NAME.equals(evt.getPropertyName())) { setPartName((String) evt.getNewValue()); } else if (WatchListViewModel.PROP_DIRTY.equals(evt.getPropertyName())) { firePropertyChange(PROP_DIRTY); } } }; private final IPropertyChangeListener preferencesChangeListener = new IPropertyChangeListener() { @Override public void propertyChange(org.eclipse.jface.util.PropertyChangeEvent event) { if (UIActivator.PREFS_WATCHLIST_ALTERNATE_BACKGROUND.equals(event.getProperty())) { boolean enabled = ((Boolean) event.getNewValue()).booleanValue(); tickDecorator.setRowColors(evenRowsColor, enabled ? oddRowsColor : evenRowsColor); updateBackgrounds(); } else if (UIActivator.PREFS_WATCHLIST_ENABLE_TICK_DECORATORS.equals(event.getProperty())) { boolean enabled = ((Boolean) event.getNewValue()).booleanValue(); tickDecorator.setEnabled(enabled); } else if (UIActivator.PREFS_WATCHLIST_DRAW_TICK_OUTLINE.equals(event.getProperty())) { boolean enabled = ((Boolean) event.getNewValue()).booleanValue(); tickDecorator.setDrawOutline(enabled); } else if (UIActivator.PREFS_WATCHLIST_FADE_TO_BACKGROUND.equals(event.getProperty())) { boolean enabled = ((Boolean) event.getNewValue()).booleanValue(); tickDecorator.setFadeEffect(enabled); } else if (UIActivator.PREFS_WATCHLIST_POSITIVE_TICK_COLOR.equals(event.getProperty())) { if (positiveTickColor != null) { positiveTickColor.dispose(); positiveTickColor = null; } RGB rgb = (RGB) event.getNewValue(); if (rgb != null) { positiveTickColor = new Color(Display.getDefault(), rgb); } tickDecorator.setTickColors(positiveTickColor, negativeTickColor); } else if (UIActivator.PREFS_WATCHLIST_NEGATIVE_TICK_COLOR.equals(event.getProperty())) { if (negativeTickColor != null) { negativeTickColor.dispose(); negativeTickColor = null; } RGB rgb = (RGB) event.getNewValue(); if (rgb != null) { negativeTickColor = new Color(Display.getDefault(), rgb); } tickDecorator.setTickColors(positiveTickColor, negativeTickColor); } else if (IThemeManager.CHANGE_CURRENT_THEME.equals(event.getProperty())) { ITheme oldTheme = (ITheme) event.getOldValue(); if (oldTheme != null) { oldTheme.removePropertyChangeListener(preferencesChangeListener); } if (positiveTickColor != null) { positiveTickColor.dispose(); positiveTickColor = null; } if (negativeTickColor != null) { negativeTickColor.dispose(); negativeTickColor = null; } ITheme newTheme = (ITheme) event.getOldValue(); if (newTheme != null) { RGB rgb = newTheme.getColorRegistry().getRGB(UIActivator.PREFS_WATCHLIST_POSITIVE_TICK_COLOR); if (rgb != null) { positiveTickColor = new Color(Display.getDefault(), rgb); } rgb = newTheme.getColorRegistry().getRGB(UIActivator.PREFS_WATCHLIST_NEGATIVE_TICK_COLOR); if (rgb != null) { negativeTickColor = new Color(Display.getDefault(), rgb); } newTheme.addPropertyChangeListener(preferencesChangeListener); } tickDecorator.setTickColors(positiveTickColor, negativeTickColor); } } }; public WatchListView() { } /* (non-Javadoc) * @see org.eclipse.ui.part.ViewPart#init(org.eclipse.ui.IViewSite, org.eclipse.ui.IMemento) */ @Override public void init(IViewSite site, IMemento memento) throws PartInitException { super.init(site, memento); ImageRegistry imageRegistry = UIActivator.getDefault().getImageRegistry(); BundleContext bundleContext = UIActivator.getDefault().getBundle().getBundleContext(); ServiceReference<IRepositoryService> serviceReference = bundleContext .getServiceReference(IRepositoryService.class); repositoryService = bundleContext.getService(serviceReference); try { dialogSettings = UIActivator.getDefault().getDialogSettings().getSection(K_VIEWS) .getSection(site.getSecondaryId()); uri = new URI(dialogSettings.get(K_URI)); IWatchList watchList = repositoryService.getWatchListFromURI(uri); if (watchList instanceof WatchList) { this.watchList = (WatchList) watchList; } } catch (Exception e) { if (uri == null || watchList == null) { throw new PartInitException(NLS.bind(Messages.WatchListView_UnableToLoadView, new Object[] { uri != null ? uri.toString() : "" //$NON-NLS-1$ }), e); } } if (uri == null || watchList == null) { throw new PartInitException(NLS.bind(Messages.WatchListView_UnableToLoadView, new Object[] { uri != null ? uri.toString() : "" })); } columnsSection = dialogSettings.getSection(COLUMNS_SECTION); if (columnsSection == null) { columnsSection = dialogSettings.addNewSection(COLUMNS_SECTION); } preferenceStore = UIActivator.getDefault().getPreferenceStore(); pricingEnvironment = new MarketPricingEnvironment(UIActivator.getDefault().getMarketService()); deleteAction = new Action(Messages.WatchListView_Delete) { @Override public void run() { IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); if (selection.size() != 0) { model.getObservableItems().removeAll(selection.toList()); } } }; deleteAction.setImageDescriptor(imageRegistry.getDescriptor(UIConstants.DELETE_EDIT_ICON)); deleteAction.setDisabledImageDescriptor(imageRegistry.getDescriptor(UIConstants.DELETE_EDIT_DISABLED_ICON)); deleteAction.setId(ActionFactory.DELETE.getId()); deleteAction.setActionDefinitionId("org.eclipse.ui.edit.delete"); //$NON-NLS-1$ deleteAction.setEnabled(false); settingsAction = new SettingsAction(site.getShell(), this); IActionBars actionBars = site.getActionBars(); actionBars.setGlobalActionHandler(settingsAction.getId(), settingsAction); actionBars.setGlobalActionHandler(deleteAction.getId(), deleteAction); actionBars.updateActionBars(); } /* (non-Javadoc) * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite) */ @Override public void createPartControl(Composite parent) { setPartName(watchList.getName()); model = new WatchListViewModel(watchList, pricingEnvironment); createViewer(parent); initializeContextMenu(); applyPreferences(); if (sortColumn >= viewer.getTable().getColumnCount()) { sortColumn = 0; sortDirection = SWT.UP; } if (sortColumn < viewer.getTable().getColumnCount()) { viewer.getTable().setSortDirection(sortDirection); viewer.getTable().setSortColumn(viewer.getTable().getColumn(sortColumn)); } viewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { deleteAction.setEnabled(!event.getSelection().isEmpty()); } }); viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { SecurityObjectTransfer.getInstance(), RepositoryObjectTransfer.getInstance(), }, new ViewerDropAdapter(viewer) { @Override public boolean validateDrop(Object target, int operation, TransferData transferType) { return SecurityObjectTransfer.getInstance().isSupportedType(transferType) || RepositoryObjectTransfer.getInstance().isSupportedType(transferType); } @Override public boolean performDrop(Object data) { final IAdaptable[] contents = (IAdaptable[]) data; for (int i = 0; i < contents.length; i++) { ISecurity security = (ISecurity) contents[i].getAdapter(ISecurity.class); if (security != null) { pricingEnvironment.addSecurity(security); model.add(security); } } return true; } }); model.addPropertyChangeListener(WatchListViewModel.PROP_DIRTY, modelChangeListener); preferenceStore.addPropertyChangeListener(preferencesChangeListener); getSite().setSelectionProvider(viewer); Job job = new Job(watchList.getName() + " Startup") { //$NON-NLS-1$ @Override protected IStatus run(IProgressMonitor monitor) { Set<ISecurity> list = new HashSet<ISecurity>(); for (IWatchListElement element : watchList.getItems()) { list.add(element.getSecurity()); } pricingEnvironment.addSecurities(list.toArray(new ISecurity[list.size()])); model.init(); return Status.OK_STATUS; } }; job.setUser(false); job.schedule(); } TableViewer createViewer(Composite parent) { viewer = new TableViewer(parent, SWT.MULTI | SWT.FULL_SELECTION); viewer.getTable().setHeaderVisible(true); viewer.getTable().setLinesVisible(false); final ObservableListContentProvider contentProvider = new ObservableListContentProvider(); viewer.setContentProvider(contentProvider); tickDecorator = new WatchListViewTickDecorator(contentProvider.getKnownElements()); int index = 0; for (WatchListViewColumn column : model.getColumns()) { createViewerColumn(column, tickDecorator); if (dialogSettings != null) { if (column.getId().equals(dialogSettings.get(K_SORT_COLUMN))) { sortColumn = index; } } index++; } model.getObservableColumns().addListChangeListener(new IListChangeListener() { @Override public void handleListChange(ListChangeEvent event) { event.diff.accept(new ListDiffVisitor() { @Override public void handleAdd(int index, Object element) { WatchListViewColumn column = (WatchListViewColumn) element; createViewerColumn(index, column, tickDecorator); if (dialogSettings != null && column.getId().equals(dialogSettings.get(K_SORT_COLUMN))) { sortColumn = index; viewer.getTable().setSortDirection(sortDirection); viewer.getTable().setSortColumn(viewer.getTable().getColumn(sortColumn)); } } @Override public void handleRemove(int index, Object element) { WatchListViewColumn column = (WatchListViewColumn) element; if (dialogSettings != null && column.getId().equals(dialogSettings.get(K_SORT_COLUMN))) { sortColumn = -1; } TableColumn tableColumn = viewer.getTable().getColumn(index); tableColumn.dispose(); } }); viewer.refresh(); updateBackgrounds(); } }); viewer.setSorter(new ViewerSorter() { @Override public int compare(Viewer viewer, Object e1, Object e2) { if (sortColumn < 0 || sortColumn >= model.getColumns().size()) { return 0; } String propertyName = model.getColumns().get(sortColumn).getId(); IAdaptable v1 = (IAdaptable) ((WatchListViewItem) e1).getValue(propertyName); IAdaptable v2 = (IAdaptable) ((WatchListViewItem) e2).getValue(propertyName); if (sortDirection == SWT.DOWN) { v1 = (IAdaptable) ((WatchListViewItem) e2).getValue(propertyName); v2 = (IAdaptable) ((WatchListViewItem) e1).getValue(propertyName); } return compareValues(v1, v2); } }); viewer.setInput(model.getObservableItems()); model.getObservableItems().addListChangeListener(new IListChangeListener() { @Override public void handleListChange(ListChangeEvent event) { Display.getDefault().asyncExec(new Runnable() { @Override public void run() { updateBackgrounds(); } }); } }); viewer.getControl().addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(DisposeEvent e) { tickDecorator.dispose(); } }); return viewer; } private void createViewerColumn(WatchListViewColumn column, WatchListViewTickDecorator tickDecorator) { createViewerColumn(-1, column, tickDecorator); } private void createViewerColumn(int index, final WatchListViewColumn column, WatchListViewTickDecorator tickDecorator) { int alignment = SWT.LEFT; Class<?>[] type = column.getDataProviderFactory().getType(); if (type != null && type.length != 0) { if (type[0] == Long.class || type[0] == Double.class || type[0] == Date.class) { alignment = SWT.RIGHT; } if (type[0] == Image.class || type[0] == ImageData.class) { alignment = SWT.CENTER; } } final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, alignment, index); viewerColumn.getColumn() .setText(column.getName() != null ? column.getName() : column.getDataProviderFactory().getName()); int width = columnsSection != null && columnsSection.get(viewerColumn.getColumn().getText()) != null ? columnsSection.getInt(viewerColumn.getColumn().getText()) : 100; viewerColumn.getColumn().setWidth(width); viewerColumn.getColumn().addControlListener(columnControlListener); viewerColumn.getColumn().addSelectionListener(columnSelectionAdapter); viewerColumn.setLabelProvider(tickDecorator.createCellLabelProvider(column.getId())); if (column.getDataProvider() instanceof IEditableDataProvider) { viewerColumn.setEditingSupport(new WatchListColumEditingSupport(viewer, (IEditableDataProvider) column.getDataProvider(), column.getId())); } final PropertyChangeListener propertyChangeListener = new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { String text = (String) evt.getNewValue(); if (text == null) { WatchListViewColumn source = (WatchListViewColumn) evt.getSource(); text = source.getDataProviderFactory().getName(); } viewerColumn.getColumn().setText(text); } }; column.addPropertyChangeListener(ViewColumn.PROP_NAME, propertyChangeListener); viewerColumn.getColumn().addDisposeListener(new DisposeListener() { @Override public void widgetDisposed(DisposeEvent e) { column.removePropertyChangeListener(ViewColumn.PROP_NAME, propertyChangeListener); } }); } @SuppressWarnings({ "unchecked", "rawtypes" }) protected int compareValues(IAdaptable v1, IAdaptable v2) { Number n1 = (Number) (v1 != null ? v1.getAdapter(Number.class) : null); Number n2 = (Number) (v2 != null ? v2.getAdapter(Number.class) : null); if (n1 != null && n2 != null) { if (n1.doubleValue() < n2.doubleValue()) { return -1; } if (n1.doubleValue() > n2.doubleValue()) { return 1; } return 0; } if (n1 != null && n2 == null) { return 1; } if (n1 == null && n2 != null) { return -1; } Comparable c1 = (Comparable) (v1 != null ? v1.getAdapter(Comparable.class) : null); Comparable c2 = (Comparable) (v2 != null ? v2.getAdapter(Comparable.class) : null); if (c1 != null && c2 != null) { return c1.compareTo(c2); } if (c1 != null && c2 == null) { return 1; } if (c1 == null && c2 != null) { return -1; } return 0; } private void initializeContextMenu() { MenuManager menuMgr = new MenuManager("#popupMenu", "popupMenu"); //$NON-NLS-1$ //$NON-NLS-2$ menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(IMenuManager menuManager) { menuManager.add(new Separator("group.new")); //$NON-NLS-1$ menuManager.add(new GroupMarker("group.goto")); //$NON-NLS-1$ menuManager.add(new Separator("group.open")); //$NON-NLS-1$ menuManager.add(new GroupMarker("group.openWith")); //$NON-NLS-1$ menuManager.add(new Separator("group.trade")); //$NON-NLS-1$ menuManager.add(new GroupMarker("group.tradeWith")); //$NON-NLS-1$ menuManager.add(new Separator("group.show")); //$NON-NLS-1$ menuManager.add(new Separator("group.edit")); //$NON-NLS-1$ menuManager.add(new GroupMarker("group.reorganize")); //$NON-NLS-1$ menuManager.add(new GroupMarker("group.port")); //$NON-NLS-1$ menuManager.add(new Separator("group.generate")); //$NON-NLS-1$ menuManager.add(new Separator("group.search")); //$NON-NLS-1$ menuManager.add(new Separator("group.build")); //$NON-NLS-1$ menuManager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); menuManager.add(new Separator("group.properties")); //$NON-NLS-1$ menuManager.appendToGroup("group.edit", deleteAction); //$NON-NLS-1$ } }); viewer.getControl().setMenu(menuMgr.createContextMenu(viewer.getControl())); getSite().registerContextMenu(menuMgr, getSite().getSelectionProvider()); } private void applyPreferences() { RGB rgb = Display.getDefault().getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB(); if (rgb.red > 0) { rgb.red--; } if (rgb.green > 0) { rgb.green--; } if (rgb.blue > 0) { rgb.blue--; } evenRowsColor = new Color(Display.getDefault(), rgb); rgb = Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_LIGHT_SHADOW).getRGB(); if (rgb.red > 0) { rgb.red--; } if (rgb.green > 0) { rgb.green--; } if (rgb.blue > 0) { rgb.blue--; } oddRowsColor = new Color(Display.getDefault(), rgb); themeManager = PlatformUI.getWorkbench().getThemeManager(); themeManager.addPropertyChangeListener(preferencesChangeListener); ITheme theme = themeManager.getCurrentTheme(); if (theme != null) { rgb = theme.getColorRegistry().getRGB(UIActivator.PREFS_WATCHLIST_POSITIVE_TICK_COLOR); if (rgb != null) { positiveTickColor = new Color(Display.getDefault(), rgb); } rgb = theme.getColorRegistry().getRGB(UIActivator.PREFS_WATCHLIST_NEGATIVE_TICK_COLOR); if (rgb != null) { negativeTickColor = new Color(Display.getDefault(), rgb); } theme.addPropertyChangeListener(preferencesChangeListener); } tickDecorator.setRowColors(evenRowsColor, preferenceStore.getBoolean(UIActivator.PREFS_WATCHLIST_ALTERNATE_BACKGROUND) ? oddRowsColor : evenRowsColor); tickDecorator.setTickColors(positiveTickColor, negativeTickColor); tickDecorator.setDrawOutline(preferenceStore.getBoolean(UIActivator.PREFS_WATCHLIST_DRAW_TICK_OUTLINE)); tickDecorator.setFadeEffect(preferenceStore.getBoolean(UIActivator.PREFS_WATCHLIST_FADE_TO_BACKGROUND)); tickDecorator.setEnabled(preferenceStore.getBoolean(UIActivator.PREFS_WATCHLIST_ENABLE_TICK_DECORATORS)); updateBackgrounds(); } private void updateBackgrounds() { TableItem[] tableItem = viewer.getTable().getItems(); if (preferenceStore.getBoolean(UIActivator.PREFS_WATCHLIST_ALTERNATE_BACKGROUND)) { for (int i = 0; i < tableItem.length; i++) { tableItem[i].setBackground((i & 1) != 0 ? oddRowsColor : evenRowsColor); } } else { for (int i = 0; i < tableItem.length; i++) { tableItem[i].setBackground(evenRowsColor); } } } /* (non-Javadoc) * @see org.eclipse.ui.part.WorkbenchPart#setFocus() */ @Override public void setFocus() { viewer.getControl().setFocus(); } /* (non-Javadoc) * @see org.eclipse.ui.part.WorkbenchPart#dispose() */ @Override public void dispose() { BundleContext bundleContext = UIActivator.getDefault().getBundle().getBundleContext(); bundleContext.ungetService(bundleContext.getServiceReference(IRepositoryService.class)); preferenceStore.removePropertyChangeListener(preferencesChangeListener); pricingEnvironment.dispose(); tickDecorator.dispose(); evenRowsColor.dispose(); oddRowsColor.dispose(); if (positiveTickColor != null) { positiveTickColor.dispose(); } if (negativeTickColor != null) { negativeTickColor.dispose(); } super.dispose(); } /* (non-Javadoc) * @see org.eclipse.ui.ISaveablePart#doSave(org.eclipse.core.runtime.IProgressMonitor) */ @Override public void doSave(IProgressMonitor monitor) { model.commit(); final IRepositoryService repositoryService = UIActivator.getDefault().getRepositoryService(); IStatus status = repositoryService.runInService(new IRepositoryRunnable() { @Override public IStatus run(IProgressMonitor monitor) throws Exception { repositoryService.saveAdaptable(new IAdaptable[] { watchList }); return Status.OK_STATUS; } }, monitor); if (status == Status.OK_STATUS) { model.setDirty(false); } } /* (non-Javadoc) * @see org.eclipse.ui.ISaveablePart#doSaveAs() */ @Override public void doSaveAs() { } /* (non-Javadoc) * @see org.eclipse.ui.ISaveablePart#isDirty() */ @Override public boolean isDirty() { return model.isDirty(); } /* (non-Javadoc) * @see org.eclipse.ui.ISaveablePart#isSaveAsAllowed() */ @Override public boolean isSaveAsAllowed() { return false; } /* (non-Javadoc) * @see org.eclipse.ui.ISaveablePart#isSaveOnCloseNeeded() */ @Override public boolean isSaveOnCloseNeeded() { return model.isDirty(); } /* (non-Javadoc) * @see org.eclipse.ui.part.WorkbenchPart#getAdapter(java.lang.Class) */ @Override @SuppressWarnings({ "unchecked", "rawtypes" }) public Object getAdapter(Class adapter) { if (adapter.isAssignableFrom(IWatchList.class)) { return watchList; } if (adapter.isAssignableFrom(model.getClass())) { return model; } if (watchList != null) { Object obj = watchList.getAdapter(adapter); if (obj != null) { return obj; } } return super.getAdapter(adapter); } }