Java tutorial
import java.util.ArrayList; import java.util.List; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.CheckboxCellEditor; import org.eclipse.jface.viewers.ColorCellEditor; import org.eclipse.jface.viewers.ComboBoxCellEditor; import org.eclipse.jface.viewers.ICellModifier; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.window.ApplicationWindow; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.RGB; 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.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Item; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; public class MainClass extends ApplicationWindow { public static final String NAME = "Name"; public static final String MALE = "Male?"; public static final String AGE = "Age Range"; public static final String SHIRT_COLOR = "Shirt Color"; public static final String[] PROPS = { NAME, MALE, AGE, SHIRT_COLOR }; private java.util.List studentList = new ArrayList(); public MainClass() { super(null); setBlockOnOpen(true); open(); Display.getCurrent().dispose(); } protected void configureShell(Shell shell) { super.configureShell(shell); shell.setText("Person Editor"); shell.setSize(400, 400); } protected Control createContents(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(new GridLayout(1, false)); Button newPerson = new Button(composite, SWT.PUSH); newPerson.setText("Create New Person"); final TableViewer tv = new TableViewer(composite, SWT.FULL_SELECTION); tv.setContentProvider(new PersonContentProvider()); tv.setLabelProvider(new StudentLabelProvider()); tv.setInput(studentList); Table table = tv.getTable(); table.setLayoutData(new GridData(GridData.FILL_BOTH)); new TableColumn(table, SWT.CENTER).setText(NAME); new TableColumn(table, SWT.CENTER).setText(MALE); new TableColumn(table, SWT.CENTER).setText(AGE); new TableColumn(table, SWT.CENTER).setText(SHIRT_COLOR); for (int i = 0, n = table.getColumnCount(); i < n; i++) { table.getColumn(i).pack(); } table.setHeaderVisible(true); table.setLinesVisible(true); newPerson.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { Student p = new Student(); p.setName("Name"); p.setMale(true); p.setAgeRange(Integer.valueOf("0")); p.setShirtColor(new RGB(255, 0, 0)); studentList.add(p); tv.refresh(); } }); CellEditor[] editors = new CellEditor[4]; editors[0] = new TextCellEditor(table); editors[1] = new CheckboxCellEditor(table); editors[2] = new ComboBoxCellEditor(table, AgeRange.INSTANCES, SWT.READ_ONLY); editors[3] = new ColorCellEditor(table); tv.setColumnProperties(PROPS); tv.setCellModifier(new StudentCellModifier(tv)); tv.setCellEditors(editors); return composite; } public static void main(String[] args) { new MainClass(); } } class StudentCellModifier implements ICellModifier { private Viewer viewer; public StudentCellModifier(Viewer viewer) { this.viewer = viewer; } public boolean canModify(Object element, String property) { return true; } public Object getValue(Object element, String property) { Student p = (Student) element; if (MainClass.NAME.equals(property)) return p.getName(); else if (MainClass.MALE.equals(property)) return Boolean.valueOf(p.isMale()); else if (MainClass.AGE.equals(property)) return p.getAgeRange(); else if (MainClass.SHIRT_COLOR.equals(property)) return p.getShirtColor(); else return null; } public void modify(Object element, String property, Object value) { if (element instanceof Item) element = ((Item) element).getData(); Student p = (Student) element; if (MainClass.NAME.equals(property)) p.setName((String) value); else if (MainClass.MALE.equals(property)) p.setMale(((Boolean) value).booleanValue()); else if (MainClass.AGE.equals(property)) p.setAgeRange((Integer) value); else if (MainClass.SHIRT_COLOR.equals(property)) p.setShirtColor((RGB) value); viewer.refresh(); } } class PersonContentProvider implements IStructuredContentProvider { public Object[] getElements(Object inputElement) { return ((List) inputElement).toArray(); } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } } class Student { private String name; private boolean male; private Integer ageRange; private RGB shirtColor; public Integer getAgeRange() { return ageRange; } public void setAgeRange(Integer ageRange) { this.ageRange = ageRange; } public boolean isMale() { return male; } public void setMale(boolean male) { this.male = male; } public String getName() { return name; } public void setName(String name) { this.name = name; } public RGB getShirtColor() { return shirtColor; } public void setShirtColor(RGB shirtColor) { this.shirtColor = shirtColor; } } class StudentLabelProvider implements ITableLabelProvider { public Image getColumnImage(Object element, int columnIndex) { return null; } public String getColumnText(Object element, int columnIndex) { Student person = (Student) element; switch (columnIndex) { case 0: return person.getName(); case 1: return Boolean.toString(person.isMale()); case 2: return AgeRange.INSTANCES[person.getAgeRange().intValue()]; case 3: return person.getShirtColor().toString(); } return null; } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } } class AgeRange { public static final String NONE = ""; public static final String BABY = "0 - 3"; public static final String TODDLER = "4 - 7"; public static final String CHILD = "8 - 12"; public static final String TEENAGER = "13 - 19"; public static final String ADULT = "20 - ?"; public static final String[] INSTANCES = { NONE, BABY, TODDLER, CHILD, TEENAGER, ADULT }; }