void tableMouseDown(Event event) {
if (isDisposed() || !isVisible()) return;
Point pt = new Point(event.x, event.y);
int lineWidth = table.getLinesVisible() ? table.getGridLineWidth() : 0;
TableItem item = table.getItem(pt);
if ((table.getStyle() & SWT.FULL_SELECTION) != 0) {
if (item == null) return;
} else {
int start = item != null ? table.indexOf(item) : table.getTopIndex();
int end = table.getItemCount();
Rectangle clientRect = table.getClientArea();
for (int i = start; i < end; i++) {
TableItem nextItem = table.getItem(i);
Rectangle rect = nextItem.getBounds(0);
if (pt.y >= rect.y && pt.y < rect.y + rect.height + lineWidth) {
item = nextItem;
break;
}
if (rect.y > clientRect.y + clientRect.height) return;
}
if (item == null) return;
}
TableColumn newColumn = null;
int columnCount = table.getColumnCount();
if (columnCount == 0) {
if ((table.getStyle() & SWT.FULL_SELECTION) == 0) {
Rectangle rect = item.getBounds(0);
rect.width += lineWidth;
rect.height += lineWidth;
if (!rect.contains(pt)) return;
}
} else {
for (int i = 0; i < columnCount; i++) {
Rectangle rect = item.getBounds(i);
rect.width += lineWidth;
rect.height += lineWidth;
if (rect.contains(pt)) {
newColumn = table.getColumn(i);
break;
}
}
if (newColumn == null) {
if ((table.getStyle() & SWT.FULL_SELECTION) == 0) return;
newColumn = table.getColumn(0);
}
}
setRowColumn(item, newColumn, true);
setFocus();
return;
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent at a
* column in the table.
*
* @param index the index that specifies the column
* @return the receiver's bounding column rectangle
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public Rectangle getBounds(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
Rectangle result;
int columnCount = parent.getColumnCount();
if (columnCount > 0 && (index < 0 || index >= columnCount)) {
result = new Rectangle(0, 0, 0, 0);
} else {
Rectangle textBounds = getTextBounds(index);
int left = getLeft(index);
int itemIndex = parent.indexOf(this);
int top = getTop(itemIndex);
int width = 0;
if (index == 0 && columnCount == 0) {
Rectangle imageBounds = getImageBounds(index);
int spacing = getSpacing(index);
int paddingWidth = parent.getCellPadding().width;
width = imageBounds.width + spacing + textBounds.width + paddingWidth;
} else if (index >= 0 && index < columnCount) {
width = parent.getColumn(index).getWidth() - getCheckWidth(index);
}
int height = getHeight(index);
result = new Rectangle(left, top, width, height);
}
return result;
}
private void sort(int column) {
if (table.getItemCount() <= 1) return;
TableItem[] items = table.getItems();
String[][] data = new String[items.length][table.getColumnCount()];
for (int i = 0; i < items.length; i++) {
for (int j = 0; j < table.getColumnCount(); j++) {
data[i][j] = items[i].getText(j);
}
}
Arrays.sort(data, new RowComparator(column));
if (lastSortColumn != column) {
table.setSortColumn(table.getColumn(column));
table.setSortDirection(SWT.DOWN);
for (int i = 0; i < data.length; i++) {
items[i].setText(data[i]);
}
lastSortColumn = column;
} else {
// reverse order if the current column is selected again
table.setSortDirection(SWT.UP);
int j = data.length - 1;
for (int i = 0; i < data.length; i++) {
items[i].setText(data[j--]);
}
lastSortColumn = -1;
}
}
private int getLeft(final int index) {
int result = 0;
int columnCount = parent.getColumnCount();
if (index == 0 && columnCount == 0) {
result = getCheckWidth(index) - parent.leftOffset;
} else if (index >= 0 && index < columnCount) {
// TODO [rh] consider applying the leftOffset already in Column#getLeft()
int columnLeft = parent.getColumn(index).getLeft();
result = getCheckWidth(index) + columnLeft - parent.leftOffset;
}
return result;
}
private int getColumnWidth(final int index) {
TableColumn column = parent.getColumn(index);
return column.getWidth() - getCheckWidth(index);
}
void setRowColumn(int row, int column, boolean notify) {
TableItem item = row == -1 ? null : table.getItem(row);
TableColumn col = column == -1 || table.getColumnCount() == 0 ? null : table.getColumn(column);
setRowColumn(item, col, notify);
}