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; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.ProgressMonitorDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.layout.LayoutConstants; import org.eclipse.jface.resource.JFaceColors; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.util.LayoutUtils; /** * A Dialog that is shown to the user to report progress on startup of RSSOwl * (e.g. when performing defragmentation of the database). * * @author bpasero */ public class StartupProgressDialog extends ProgressMonitorDialog { private LocalResourceManager fResources; public StartupProgressDialog() { super(null); 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(final Shell shell) { super.configureShell(shell); shell.setText("RSSOwl"); //$NON-NLS-1$ shell.setCursor(shell.getDisplay().getSystemCursor(SWT.CURSOR_APPSTARTING)); /* Images not initialized yet */ Image img_16x16 = OwlUI.getImage(fResources, "icons/product/16x16.png"); //$NON-NLS-1$ Image img_32x32 = OwlUI.getImage(fResources, "icons/product/32x32.png"); //$NON-NLS-1$ Image img_48x48 = OwlUI.getImage(fResources, "icons/product/48x48.png"); //$NON-NLS-1$ Image img_64x64 = OwlUI.getImage(fResources, "icons/product/64x64.png"); //$NON-NLS-1$ Image img_128x128 = OwlUI.getImage(fResources, "icons/product/128x128.png"); //$NON-NLS-1$ shell.setImages(new Image[] { img_16x16, img_32x32, img_48x48, img_64x64, img_128x128 }); } /* * @see org.eclipse.jface.dialogs.IconAndMessageDialog#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { initializeDialogUnits(parent); parent.setLayout(LayoutUtils.createGridLayout(1, 0, 0, 0, 0, false)); GridDataFactory.fillDefaults().grab(true, true).applyTo(parent); /* Title Area */ Composite titleArea = new Composite(parent, SWT.None); titleArea.setLayout(LayoutUtils.createGridLayout(2, 0, 0, 0, 0, false)); titleArea.setBackground(JFaceColors.getBannerBackground(parent.getDisplay())); GridDataFactory.fillDefaults().grab(true, true).applyTo(titleArea); createTitleArea(titleArea); /* Content Area */ Composite contentArea = new Composite(parent, SWT.NONE); Point defaultSpacing = LayoutConstants.getSpacing(); GridLayoutFactory.fillDefaults().margins(LayoutConstants.getMargins()) .spacing(defaultSpacing.x * 2, defaultSpacing.y).numColumns(2).applyTo(contentArea); GridDataFactory.fillDefaults().grab(true, true).applyTo(contentArea); createDialogAndButtonArea(contentArea); return parent; } private void createTitleArea(Composite parent) { Composite messageContainer = new Composite(parent, SWT.NONE); messageContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); messageContainer.setLayout(LayoutUtils.createGridLayout(1)); messageContainer.setBackground(parent.getBackground()); /* Title Message */ Label titleMessage = new Label(messageContainer, SWT.NONE); titleMessage.setFont(JFaceResources.getBannerFont()); titleMessage.setText(Messages.StartupProgressDialog_PROGRESS_INFO); titleMessage.setBackground(parent.getBackground()); /* Title Footer */ Label titleFooter = new Label(messageContainer, SWT.NONE); titleFooter.setText(Messages.StartupProgressDialog_PROGRESS_MESSAGE); titleFooter.setFont(JFaceResources.getDialogFont()); titleFooter.setBackground(parent.getBackground()); GridData data = new GridData(SWT.FILL, SWT.BEGINNING, true, false); data.horizontalIndent = 10; data.verticalIndent = 5; titleFooter.setLayoutData(data); /* RSSOwl Logo */ Label imageLabel = new Label(parent, SWT.None); imageLabel.setImage(OwlUI.getImage(fResources, "icons/wizban/welcome_wiz.gif")); //$NON-NLS-1$ imageLabel.setBackground(parent.getBackground()); /* Separator */ Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL); separator.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1)); separator.setBackground(parent.getBackground()); } /* * @see org.eclipse.jface.dialogs.ProgressMonitorDialog#getImage() */ @Override protected Image getImage() { return null; } /* * @see org.eclipse.jface.dialogs.ProgressMonitorDialog#createCancelButton(org.eclipse.swt.widgets.Composite) */ @Override protected void createCancelButton(Composite parent) { cancel = createButton(parent, IDialogConstants.CANCEL_ID, Messages.StartupProgressDialog_SKIP, true); setOperationCancelButtonEnabled(enableCancelButton); } /* * @see org.eclipse.jface.dialogs.Dialog#getInitialLocation(org.eclipse.swt.graphics.Point) */ @Override protected Point getInitialLocation(Point initialSize) { Rectangle displayBounds = Display.getDefault().getPrimaryMonitor().getBounds(); Point shellSize = getInitialSize(); int x = displayBounds.x + (displayBounds.width - shellSize.x) >> 1; int y = displayBounds.y + (displayBounds.height - shellSize.y) >> 1; return new Point(x, y); } /* * @see org.eclipse.jface.dialogs.ProgressMonitorDialog#getInitialSize() */ @Override protected Point getInitialSize() { int minWidth = 380; //Do not overlap with splash width (400 pixels) int minHeight = getShell().computeSize(minWidth, SWT.DEFAULT).y; return new Point(minWidth, minHeight); } }