/**
* 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;
}
/**
* Returns a rectangle describing the size and location relative to its parent of an image 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 image 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 getImageBounds(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
int itemIndex = parent.indexOf(this);
Rectangle cellPadding = parent.getCellPadding();
int left = getLeft(index) + cellPadding.x;
int top = getTop(itemIndex);
int width = getImageWidth(index);
int height = getHeight(index);
return new Rectangle(left, top, width, height);
}
/**
* 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);
}
final int getPackWidth(final int index) {
return getImageWidth(index)
+ getSpacing(index)
+ getTextWidth(index)
+ parent.getCellPadding().width;
}
