This code shows some table cell editors for SWT
it's not complete, but you can get a hint
it's not complete, but you can get a hint
1 2 import java.util.HashMap; 3 import java.util.Random; 4 5 import org.eclipse.swt.SWT; 6 import org.eclipse.swt.custom.TableEditor; 7 import org.eclipse.swt.events.ModifyEvent; 8 import org.eclipse.swt.events.ModifyListener; 9 import org.eclipse.swt.events.SelectionAdapter; 10 import org.eclipse.swt.events.SelectionEvent; 11 import org.eclipse.swt.graphics.Color; 12 import org.eclipse.swt.graphics.Image; 13 import org.eclipse.swt.graphics.Point; 14 import org.eclipse.swt.graphics.RGB; 15 import org.eclipse.swt.graphics.Rectangle; 16 import org.eclipse.swt.layout.FillLayout; 17 import org.eclipse.swt.widgets.Button; 18 import org.eclipse.swt.widgets.ColorDialog; 19 import org.eclipse.swt.widgets.Control; 20 import org.eclipse.swt.widgets.Display; 21 import org.eclipse.swt.widgets.Event; 22 import org.eclipse.swt.widgets.Listener; 23 import org.eclipse.swt.widgets.Shell; 24 import org.eclipse.swt.widgets.Table; 25 import org.eclipse.swt.widgets.TableColumn; 26 import org.eclipse.swt.widgets.TableItem; 27 import org.eclipse.swt.widgets.Text; 28 29 public class TableTester { 30 31 private Display display; 32 private Shell shell; 33 private HashMap<String, Image> hashImages; 34 private Table table; 35 36 private Color GRAY; 37 private Color WHITE; 38 private int EDITABLECOLUMN; 39 40 public TableTester() { 41 display = new Display(); 42 shell = new Shell(display); 43 44 init(); 45 createGUI(); 46 47 shell.open(); 48 49 while(!shell.isDisposed()) { 50 if(!display.readAndDispatch()) { 51 display.sleep(); 52 } 53 } 54 } 55 56 private void init() { 57 hashImages = new HashMap<String, Image>(); 58 hashImages.put("help", new Image(display, "C:\\Programme\\eclipse\\workspace\\TestSwt\\src\\icons\\help.png")); 59 hashImages.put("about", new Image(display, "C:\\Programme\\eclipse\\workspace\\TestSwt\\src\\icons\\about_kde.png")); 60 61 GRAY = new Color(display, 220, 220, 220); 62 WHITE = new Color(display, 255, 255, 255); 63 } 64 65 private void createGUI() { 66 shell.setLayout(new FillLayout()); 67 shell.setText("TableTester"); 68 69 shell.setImage(hashImages.get("about")); 70 71 table = new Table(shell, SWT.SINGLE | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.H_SCROLL | SWT.VIRTUAL); 72 table.setHeaderVisible(true); 73 table.setLinesVisible(true); 74 75 table.addListener (SWT.MouseDown, new Listener () { 76 public void handleEvent (Event event) { 77 Rectangle clientArea = table.getClientArea (); 78 Point selectedPoint = new Point (event.x, event.y); 79 int index = table.getTopIndex (); 80 while (index < table.getItemCount ()) { 81 boolean visible = false; 82 TableItem item = table.getItem (index); 83 for (int i=0; i < table.getColumnCount(); i++) { 84 Rectangle rect = item.getBounds (i); 85 if (rect.contains (selectedPoint)) { 86 // System.out.println ("Item " + index + "-" + i); 87 EDITABLECOLUMN = i; 88 } 89 if (!visible && rect.intersects (clientArea)) { 90 visible = true; 91 } 92 } 93 if (!visible) return; 94 index++; 95 } 96 } 97 }); 98 99 final TableEditor editor = new TableEditor(table); 100 //The editor must have the same size as the cell and must 101 //not be any smaller than 50 pixels. 102 editor.horizontalAlignment = SWT.LEFT; 103 editor.grabHorizontal = true; 104 editor.minimumWidth = 50; 105 106 table.addSelectionListener(new SelectionAdapter() { 107 public void widgetSelected(SelectionEvent e) { 108 // Clean up any previous editor control 109 Control oldEditor = editor.getEditor(); 110 if (oldEditor != null) oldEditor.dispose(); 111 112 // Identify the selected row 113 TableItem item = (TableItem)e.item; 114 if (item == null) { 115 return; 116 } 117 118 // The control that will be the editor must be a child of the Table 119 if(EDITABLECOLUMN == 0) { // boolean 120 if("true".equalsIgnoreCase(item.getText())) { 121 final Button newEditor = new Button(table, SWT.CHECK); 122 newEditor.setText("Click to change"); 123 newEditor.setSelection(true); 124 newEditor.addSelectionListener(new SelectionAdapter() { 125 public void widgetSelected(SelectionEvent e) { 126 editor.getItem().setText("" + newEditor.getSelection()); 127 } 128 }); 129 newEditor.setFocus(); 130 editor.setEditor(newEditor, item, EDITABLECOLUMN); 131 } else { 132 final Button newEditor = new Button(table, SWT.CHECK); 133 newEditor.setText("Click to change"); 134 newEditor.setSelection(false); 135 newEditor.addSelectionListener(new SelectionAdapter() { 136 public void widgetSelected(SelectionEvent e) { 137 editor.getItem().setText("" + newEditor.getSelection()); 138 } 139 }); 140 newEditor.setFocus(); 141 editor.setEditor(newEditor, item, EDITABLECOLUMN); 142 } 143 } else if(EDITABLECOLUMN == 3) { // password string 144 Button newEditor = new Button(table, SWT.NONE); 145 newEditor.setText("Generate"); 146 newEditor.addSelectionListener(new SelectionAdapter() { 147 public void widgetSelected(SelectionEvent e) { 148 String s = Utilities.getRandomString(12, true, true, true, true); 149 editor.getItem().setText(EDITABLECOLUMN, s); 150 } 151 }); 152 newEditor.setFocus(); 153 editor.setEditor(newEditor, item, EDITABLECOLUMN); 154 } else if(EDITABLECOLUMN == 4) { // color 155 ColorDialog newEditor = new ColorDialog(shell, SWT.NONE); 156 String[] data = item.getText(EDITABLECOLUMN).split(","); 157 newEditor.setRGB(new RGB(Integer.parseInt(data[0].trim()), 158 Integer.parseInt(data[1].trim()), 159 Integer.parseInt(data[2].trim()))); 160 RGB rgb = newEditor.open(); 161 item.setText(EDITABLECOLUMN, rgb.red + "," + rgb.green + "," + rgb.blue); 162 } else { 163 Text newEditor = new Text(table, SWT.NONE); 164 newEditor.setText(item.getText(EDITABLECOLUMN)); 165 newEditor.addModifyListener(new ModifyListener() { 166 public void modifyText(ModifyEvent me) { 167 Text text = (Text)editor.getEditor(); 168 editor.getItem().setText(EDITABLECOLUMN, text.getText()); 169 } 170 }); 171 newEditor.selectAll(); 172 newEditor.setFocus(); 173 editor.setEditor(newEditor, item, EDITABLECOLUMN); 174 } 175 } 176 }); 177 178 fillWithData(); 179 } 180 181 private void fillWithData() { 182 TableColumn col = new TableColumn(table, SWT.NONE); 183 col.setText("boolean"); 184 col.setWidth(100); 185 186 col = new TableColumn(table, SWT.NONE); 187 col.setText("Integer"); 188 col.setWidth(100); 189 190 col = new TableColumn(table, SWT.NONE); 191 col.setText("Float"); 192 col.setWidth(100); 193 194 col = new TableColumn(table, SWT.NONE); 195 col.setText("Password"); 196 col.setWidth(100); 197 198 col = new TableColumn(table, SWT.NONE); 199 col.setText("Color"); 200 col.setWidth(100); 201 202 TableItem row; 203 Random r = new Random(System.nanoTime()); 204 for (int i = 0; i < 1000; i++) { 205 row = new TableItem(table, SWT.NONE); 206 row.setText(new String[] { 207 "" + r.nextBoolean(), 208 "" + r.nextInt(), 209 "" + r.nextFloat(), 210 "" + Utilities.getRandomString(12, true, true, true, true), 211 "" + r.nextInt(255) + "," + r.nextInt(255) + "," + r.nextInt(255)}); 212 row.setBackground((i % 2 == 0) ? WHITE : GRAY); 213 } 214 } 215 216 public static void main(String[] args) { 217 new TableTester(); 218 } 219 }
