private int getTextWidth(final int index) {
int result = 0;
String text = getText(index);
if (text.length() > 0) {
result = Graphics.stringExtent(parent.getFont(), text).x;
}
return result;
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent.
*
* @return the receiver's bounding 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>
*
* @since 1.3
*/
public Rectangle getBounds() {
checkWidget();
Rectangle result = new Rectangle(0, 0, 0, 0);
int index = parent.indexOf(this);
if (index != -1) {
int selectionIndex = parent.getSelectionIndex();
boolean selected = index == selectionIndex;
Rectangle padding = parent.getItemPadding(selected);
String text = getText();
if (text != null) {
Point extent = Graphics.stringExtent(parent.getFont(), text);
result.width = extent.x;
result.height = extent.y;
}
Image image = getImage();
if (image != null) {
Rectangle imageSize = image.getBounds();
result.width += imageSize.width + IMAGE_TEXT_SPACING;
result.height = Math.max(result.height, imageSize.height);
}
result.width += 2 * ITEM_BORDER + padding.width;
result.height += ITEM_BORDER + padding.height;
if (selected) {
result.height += SELECTED_ITEM_BORDER;
}
if (selectionIndex != -1) {
if (index + 1 == selectionIndex || index - 1 == selectionIndex) {
result.width -= ITEM_BORDER;
}
}
if (isBarTop()) {
if (index != selectionIndex) {
result.y += SELECTED_ITEM_BORDER;
}
} else {
result.y = parent.getBounds().height - 2 * parent.getBorderWidth() - result.height;
if (index != selectionIndex) {
result.y -= SELECTED_ITEM_BORDER;
}
}
if (index > 0) {
TabItem leftItem = parent.getItem(index - 1);
Rectangle leftItemBounds = leftItem.getBounds();
result.x = leftItemBounds.x + leftItemBounds.width + TABS_SPACING;
if (index == selectionIndex || index - 1 == selectionIndex) {
result.x -= TABS_SPACING;
}
}
}
return result;
}
/**
* Returns a rectangle describing the size and location relative to its parent of the text at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding text 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 getTextBounds(final int index) {
checkWidget();
int itemIndex = parent.indexOf(this);
if (!parent.checkData(this, itemIndex)) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
int left = 0;
int top = 0;
int width = 0;
Rectangle cellPadding = parent.getCellPadding();
if (index == 0 && parent.getColumnCount() == 0) {
int imageWidth = 0;
int spacing = 0;
if (parent.hasColumnImages(0)) {
imageWidth = parent.getItemImageSize().x;
spacing = getSpacing(0);
}
left = getLeft(0) + cellPadding.x + imageWidth + spacing;
top = getTop(itemIndex);
Font font = getFont();
width = Graphics.stringExtent(font, getText(0)).x;
} else if (itemIndex != -1 && index < parent.getColumnCount()) {
int imageWidth = 0;
if (parent.hasColumnImages(index)) {
imageWidth = parent.getItemImageSize().x;
}
int spacing = getSpacing(index);
left = getLeft(index) + cellPadding.x + imageWidth + spacing;
top = getTop(itemIndex);
width = getColumnWidth(index) - cellPadding.width - imageWidth - spacing;
if (width < 0) {
width = 0;
}
}
int height = getHeight(index);
return new Rectangle(left, top, width, height);
}