void unhookRowColumnListeners() {
if (column != null) {
column.removeListener(SWT.Dispose, disposeColumnListener);
column.removeListener(SWT.Move, resizeListener);
column.removeListener(SWT.Resize, resizeListener);
column = null;
}
if (row != null) {
row.removeListener(SWT.Dispose, disposeItemListener);
row = null;
}
}
void setRowColumn(TableItem row, TableColumn column, boolean notify) {
if (this.row == row && this.column == column) {
return;
}
if (this.row != null && this.row != row) {
this.row.removeListener(SWT.Dispose, disposeItemListener);
this.row = null;
}
if (this.column != null && this.column != column) {
this.column.removeListener(SWT.Dispose, disposeColumnListener);
this.column.removeListener(SWT.Move, resizeListener);
this.column.removeListener(SWT.Resize, resizeListener);
this.column = null;
}
if (row != null) {
if (this.row != row) {
this.row = row;
row.addListener(SWT.Dispose, disposeItemListener);
table.showItem(row);
}
if (this.column != column && column != null) {
this.column = column;
column.addListener(SWT.Dispose, disposeColumnListener);
column.addListener(SWT.Move, resizeListener);
column.addListener(SWT.Resize, resizeListener);
table.showColumn(column);
}
int columnIndex = column == null ? 0 : table.indexOf(column);
setBounds(row.getBounds(columnIndex));
redraw();
if (notify) {
notifyListeners(SWT.Selection, new Event());
}
}
getAccessible().setFocus(ACC.CHILDID_SELF);
}
void paint(Event event) {
if (row == null) return;
int columnIndex = column == null ? 0 : table.indexOf(column);
GC gc = event.gc;
gc.setBackground(getBackground());
gc.setForeground(getForeground());
gc.fillRectangle(event.x, event.y, event.width, event.height);
int x = 0;
Point size = getSize();
Image image = row.getImage(columnIndex);
if (image != null) {
Rectangle imageSize = image.getBounds();
int imageY = (size.y - imageSize.height) / 2;
gc.drawImage(image, x, imageY);
x += imageSize.width;
}
String text = row.getText(columnIndex);
if (text.length() > 0) {
Rectangle bounds = row.getBounds(columnIndex);
Point extent = gc.stringExtent(text);
// Temporary code - need a better way to determine table trim
String platform = SWT.getPlatform();
if ("win32".equals(platform)) { // $NON-NLS-1$
if (table.getColumnCount() == 0 || columnIndex == 0) {
x += 2;
} else {
int alignmnent = column.getAlignment();
switch (alignmnent) {
case SWT.LEFT:
x += 6;
break;
case SWT.RIGHT:
x = bounds.width - extent.x - 6;
break;
case SWT.CENTER:
x += (bounds.width - x - extent.x) / 2;
break;
}
}
} else {
if (table.getColumnCount() == 0) {
x += 5;
} else {
int alignmnent = column.getAlignment();
switch (alignmnent) {
case SWT.LEFT:
x += 5;
break;
case SWT.RIGHT:
x = bounds.width - extent.x - 2;
break;
case SWT.CENTER:
x += (bounds.width - x - extent.x) / 2 + 2;
break;
}
}
}
int textY = (size.y - extent.y) / 2;
gc.drawString(text, x, textY);
}
if (isFocusControl()) {
Display display = getDisplay();
gc.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
gc.drawFocus(0, 0, size.x, size.y);
}
}