Java tutorial
/* ********************************************************************** ** ** Copyright notice ** ** ** ** (c) 2005-2011 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.fatal; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; 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.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.rssowl.core.persist.service.ProfileLockedException; import org.rssowl.core.util.StringUtils; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.dialogs.CustomWizardDialog; import org.rssowl.ui.internal.util.BrowserUtils; import org.rssowl.ui.internal.util.LayoutUtils; /** * Part of the {@link FatalErrorWizard} to give information on the fatal error. * * @author bpasero */ public class ErrorInfoPage extends WizardPage { private final IStatus fErrorStatus; private Menu fCopyMenu; private final boolean fHasNextPage; ErrorInfoPage(String pageName, IStatus errorStatus, boolean hasNextPage) { super(pageName, pageName, null); fErrorStatus = errorStatus; fHasNextPage = hasNextPage; } /* * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(Composite parent) { /* Title Image and Message */ setImageDescriptor(OwlUI.getImageDescriptor("icons/wizban/welcome_wiz.gif")); //$NON-NLS-1$ setMessage(Messages.ErrorInfoPage_RSSOWL_CRASH, IMessageProvider.WARNING); /* Container */ Composite container = new Composite(parent, SWT.NONE); container.setLayout(LayoutUtils.createGridLayout(1, 5, 5)); if (!fHasNextPage) ((GridLayout) container.getLayout()).marginBottom = 5; /* Error Details */ Label errorDetailsLabel = new Label(container, SWT.NONE); errorDetailsLabel.setText(Messages.ErrorInfoPage_ERROR_DETAILS); errorDetailsLabel.setFont(OwlUI.getBold(JFaceResources.DIALOG_FONT)); errorDetailsLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); String msg = null; /* Out of memory error */ if (fErrorStatus.getException() instanceof OutOfMemoryError) { if (StringUtils.isSet(fErrorStatus.getMessage())) msg = NLS.bind(Messages.ErrorInfoPage_OOM_ERROR_N, fErrorStatus.getMessage()); else msg = Messages.ErrorInfoPage_OOM_ERROR; } /* Profile Locked by another Instance */ else if (fErrorStatus.getException() instanceof ProfileLockedException) { if (StringUtils.isSet(fErrorStatus.getMessage())) msg = NLS.bind(Messages.ErrorInfoPage_LOCKED_ERROR_N, fErrorStatus.getMessage()); else msg = Messages.ErrorInfoPage_LOCKED_ERROR; } /* Any other error */ else { if (StringUtils.isSet(fErrorStatus.getMessage())) msg = NLS.bind(Messages.ErrorInfoPage_STARTUP_ERROR_N, fErrorStatus.getMessage()); else msg = Messages.ErrorInfoPage_STARTUP_ERROR; } final Label errorDetailsTextLabel = new Label(container, SWT.WRAP); errorDetailsTextLabel.setText(msg); errorDetailsTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); ((GridData) errorDetailsTextLabel.getLayoutData()).widthHint = 200; /* Context Menu to copy the error message */ fCopyMenu = new Menu(errorDetailsTextLabel.getShell(), SWT.POP_UP); MenuItem copyItem = new MenuItem(fCopyMenu, SWT.PUSH); copyItem.setText(Messages.ErrorInfoPage_COPY); copyItem.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { OwlUI.getClipboard(fCopyMenu.getDisplay()).setContents( new Object[] { errorDetailsTextLabel.getText() }, new Transfer[] { TextTransfer.getInstance() }); } }); errorDetailsTextLabel.setMenu(fCopyMenu); /* Report Crash (not for OutOfMemory and ProfileLockedException */ if (!(fErrorStatus.getException() instanceof ProfileLockedException) && !(fErrorStatus.getException() instanceof OutOfMemoryError)) { Label crashReportLabel = new Label(container, SWT.NONE); crashReportLabel.setText(Messages.ErrorInfoPage_LET_US_KNOW); crashReportLabel.setFont(OwlUI.getBold(JFaceResources.DIALOG_FONT)); crashReportLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); ((GridData) crashReportLabel.getLayoutData()).verticalIndent = 10; Link crashReportTextLabel = new Link(container, SWT.WRAP); crashReportTextLabel.setText(Messages.ErrorInfoPage_SEND_LOGS_ADVISE); crashReportTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); crashReportTextLabel.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { try { if ("save".equals(e.text)) //$NON-NLS-1$ OwlUI.saveCrashReport(getShell()); else BrowserUtils.sendErrorLog(); } catch (Throwable t) { setMessage(t.getMessage(), IMessageProvider.ERROR); } } }); } /* Further Steps */ { Label furtherStepsLabel = new Label(container, SWT.NONE); furtherStepsLabel.setText(Messages.ErrorInfoPage_FURTHER_STEPS); furtherStepsLabel.setFont(OwlUI.getBold(JFaceResources.DIALOG_FONT)); furtherStepsLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); ((GridData) furtherStepsLabel.getLayoutData()).verticalIndent = 10; Link moreInfoLabel = new Link(container, SWT.WRAP); if (fErrorStatus.getException() instanceof ProfileLockedException) moreInfoLabel.setText(Messages.ErrorInfoPage_LOCKED_PROFILE_ADVISE); else moreInfoLabel.setText(fHasNextPage ? Messages.ErrorInfoPage_NEXT_PAGE_ADVISE : Messages.ErrorInfoPage_GENERAL_ERROR_ADVISE); moreInfoLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); ((GridData) moreInfoLabel.getLayoutData()).widthHint = 200; moreInfoLabel.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { try { if ("faq".equals(e.text)) //$NON-NLS-1$ BrowserUtils.openFAQ(fErrorStatus); else if ("forum".equals(e.text)) //$NON-NLS-1$ BrowserUtils.openHelpForum(fErrorStatus); } catch (Throwable t) { setMessage(t.getMessage(), IMessageProvider.ERROR); } } }); } Dialog.applyDialogFont(container); setControl(container); } /* * @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean) */ @Override public void setVisible(boolean visible) { super.setVisible(visible); /* Transfer Focus to Buttons, otherwise a link is focussed which looks weird */ if (visible) { Button focusButton = ((CustomWizardDialog) getContainer()).getButton(IDialogConstants.NEXT_ID); if (focusButton == null) focusButton = ((CustomWizardDialog) getContainer()).getButton(IDialogConstants.FINISH_ID); if (focusButton != null) focusButton.setFocus(); } } /* * @see org.eclipse.jface.dialogs.DialogPage#dispose() */ @Override public void dispose() { super.dispose(); if (fCopyMenu != null && !fCopyMenu.isDisposed()) fCopyMenu.dispose(); } }