Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2011. 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: * Fizer Khan, Yasmine - initial API and implementation *******************************************************************************/ package edu.panimalar.ocr.ui.dialogs; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.swt.SWT; 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.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import edu.panimalar.ocr.ui.OCRFrameworkMessages; public class OCRSelectionDialog extends TitleAreaDialog { private Combo ocrCombo; private String ocrNames[]; private String selectedOCRName; public OCRSelectionDialog(Shell parentShell, String[] ocrNames) { super(parentShell); this.ocrNames = ocrNames; } @Override protected Control createContents(Composite parent) { Control contents = super.createContents(parent); setTitle("Select OCR"); setMessage("Select OCR by which the image will be read.", IMessageProvider.INFORMATION); return contents; } @Override protected Control createDialogArea(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); // select ocr label Label label = new Label(composite, SWT.NONE); label.setText(OCRFrameworkMessages.ReadImages_selectOCR); label.setFont(parent.getFont()); // Create combo box ocrCombo = new Combo(composite, SWT.BORDER); GridData data = new GridData(GridData.FILL_HORIZONTAL); ocrCombo.setLayoutData(data); ocrCombo.setFont(parent.getFont()); ocrCombo.setItems(ocrNames); ocrCombo.select(0); selectedOCRName = ocrNames[0]; ocrCombo.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { selectedOCRName = ocrCombo.getItem(ocrCombo.getSelectionIndex()); } }); return composite; } /** * Get selected OCR * * @return ocr */ public String getOCR() { return selectedOCRName; } }