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; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; 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.Shell; import org.rssowl.core.connection.SyncConnectionException; import org.rssowl.core.util.CoreUtils; import org.rssowl.core.util.DateUtils; import org.rssowl.core.util.StringUtils; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.actions.ImportAction; import org.rssowl.ui.internal.services.SyncService; import org.rssowl.ui.internal.services.SyncService.SyncStatus; import org.rssowl.ui.internal.util.BrowserUtils; import org.rssowl.ui.internal.util.LayoutUtils; import java.text.DateFormat; import java.util.Date; /** * Dialog to show Synchronization Status from the {@link SyncService}. * * @author bpasero */ public class SynchronizationStatusDialog extends TitleAreaDialog { private LocalResourceManager fResources; private final SyncStatus fStatus; private final DateFormat fDateFormat = OwlUI.getShortDateFormat(); private final DateFormat fTimeFormat = OwlUI.getShortTimeFormat(); /** * @param parentShell the parent shell * @param status the synchronization status to show */ public SynchronizationStatusDialog(Shell parentShell, SyncStatus status) { super(parentShell); fStatus = status; fResources = new LocalResourceManager(JFaceResources.getResources()); } /* * @see org.eclipse.jface.dialogs.TrayDialog#close() */ @Override public boolean close() { fResources.dispose(); return super.close(); } /* * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell) */ @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(Messages.SynchronizationStatusDialog_SYNC_STATUS); } /* * @see org.eclipse.jface.dialogs.TitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite) */ @Override protected Control createDialogArea(Composite parent) { /* Composite to hold all components */ Composite composite = new Composite((Composite) super.createDialogArea(parent), SWT.NONE); composite.setLayout(LayoutUtils.createGridLayout(1, 5, 10)); composite.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* Title */ setTitle(Messages.SynchronizationStatusDialog_SYNC_STATUS); /* Title Image */ setTitleImage(OwlUI.getImage(fResources, "/icons/wizban/reader_wiz.png")); //$NON-NLS-1$ /* Title Message */ if (fStatus == null) setMessage(Messages.SynchronizationStatusDialog_NO_STATUS_AVAILABLE, IMessageProvider.INFORMATION); else if (fStatus.isOK()) setMessage(Messages.SynchronizationStatusDialog_LAST_SYNC_OK, IMessageProvider.INFORMATION); else setMessage(Messages.SynchronizationStatusDialog_LAST_SYNC_ERROR, IMessageProvider.ERROR); /* Dialog Message Link */ Link dialogMessageLink = new Link(composite, SWT.WRAP); dialogMessageLink.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); boolean isToday = fStatus != null ? DateUtils.isAfterIncludingToday(new Date(fStatus.getTime()), DateUtils.getToday().getTimeInMillis()) : false; DateFormat format = isToday ? fTimeFormat : fDateFormat; /* a) Never Synchronized */ if (fStatus == null) { dialogMessageLink.setText(Messages.SynchronizationStatusDialog_NO_STATUS_MSG); dialogMessageLink.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { close(); ImportAction action = new ImportAction(); action.openWizardDefault(getParentShell()); } }); } /* b) Synchronized OK */ else if (fStatus.isOK()) { if (fStatus.getItemCount() == 1) dialogMessageLink.setText(NLS.bind(Messages.SynchronizationStatusDialog_LAST_SYNC_OK_MSG, format.format(fStatus.getTime()), fStatus.getTotalItemCount())); else dialogMessageLink.setText(NLS.bind(Messages.SynchronizationStatusDialog_LAST_SYNC_OK_MSG_N, new Object[] { fStatus.getItemCount(), format.format(fStatus.getTime()), fStatus.getTotalItemCount() })); } /* c) Synchronization ERROR */ else { final String userUrl = (fStatus.getException() instanceof SyncConnectionException) ? ((SyncConnectionException) fStatus.getException()).getUserUrl() : null; /* Google provided link to solve the issue */ if (StringUtils.isSet(userUrl)) { dialogMessageLink.setText(NLS.bind(Messages.SynchronizationStatusDialog_LAST_SYNC_ERROR_MSG_LINK, format.format(fStatus.getTime()), fStatus.getException().getMessage())); dialogMessageLink.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { BrowserUtils.openLinkExternal(userUrl); } }); } /* Other general connection issue */ else { dialogMessageLink.setText(NLS.bind(Messages.SynchronizationStatusDialog_LAST_SYNC_ERROR_MSG, format.format(fStatus.getTime()), CoreUtils.toMessage(fStatus.getException()))); } } /* Spacer */ new Label(composite, SWT.NONE); /* Holder for the separator to the OK and Cancel buttons */ Composite sepHolder = new Composite(parent, SWT.NONE); sepHolder.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); sepHolder.setLayout(LayoutUtils.createGridLayout(1, 0, 0)); /* Separator */ Label separator = new Label(sepHolder, SWT.SEPARATOR | SWT.HORIZONTAL); separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); applyDialogFont(composite); return composite; } /* * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite) */ @Override protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); getButton(IDialogConstants.OK_ID).setFocus(); } /* * @see org.eclipse.jface.dialogs.Dialog#initializeBounds() */ @Override protected void initializeBounds() { super.initializeBounds(); Point bestSize = getShell().computeSize(convertHorizontalDLUsToPixels(OwlUI.MIN_DIALOG_WIDTH_DLU), SWT.DEFAULT); Point location = getInitialLocation(bestSize); getShell().setBounds(location.x, location.y, bestSize.x, bestSize.y); } }