/**
* Returns the image stored at the given column index in the receiver, or null if the image has
* not been set or if the column does not exist.
*
* @param index the column index
* @return the image stored at the given column index in the receiver
* @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 Image getImage(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
return getImageInternal(index);
}
private int getSpacing(final int index) {
int result = 0;
if (parent.hasColumnImages(index)) {
result = parent.getCellSpacing();
}
return result;
}
/**
* Gets the image indent.
*
* @return the indent
* @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 int getImageIndent() {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
// [rh] The only method to manipulate the image indent (setImageIndent) is
// deprecated and thus not implemented, therefore we can safely return 0
return 0;
}
final void clear() {
data = null;
checked = false;
grayed = false;
parent.updateScrollBars();
if ((parent.style & SWT.VIRTUAL) != 0) {
cached = false;
parent.redraw();
}
}
private int getHeight(final int index) {
int result = 0;
int columnCount = parent.getColumnCount();
boolean singleColumn = index == 0 && columnCount == 0;
boolean columnInRange = index >= 0 && index < columnCount;
if (singleColumn || columnInRange) {
result = parent.getItemHeight();
}
return result;
}
/**
* Returns the text stored at the given column index in the receiver, or empty string if the text
* has not been set.
*
* @param index the column index
* @return the text stored at the given column index in the receiver
* @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 String getText(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
String result = "";
if (data != null && index >= 0 && index < data.length && data[index] != null) {
result = data[index].text;
}
return result;
}
/**
* Returns <code>true</code> if the receiver is grayed, and false otherwise. When the parent does
* not have the <code>CHECK</code> style, return false.
*
* @return the grayed state of the checkbox
* @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 boolean getGrayed() {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
boolean result = false;
if ((parent.style & SWT.CHECK) != 0) {
result = grayed;
}
return result;
}
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;
}
/**
* Returns the foreground color that the receiver will use to draw.
*
* @return the receiver's foreground color
* @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 Color getForeground() {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
Color result;
if (foreground == null) {
result = parent.getForeground();
} else {
result = foreground;
}
return result;
}
/**
* Returns the font that the receiver will use to paint textual information for this item.
*
* @return the receiver's font
* @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 Font getFont() {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
Font result;
if (font == null) {
result = parent.getFont();
} else {
result = font;
}
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);
}
/**
* Sets the font that the receiver will use to paint textual information for this item to the font
* specified by the argument, or to the default font for that kind of control if the argument is
* null.
*
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @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 void setFont(final Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
if (!equals(this.font, font)) {
this.font = font;
markCached();
if (parent.getColumnCount() == 0) {
parent.updateScrollBars();
}
parent.redraw();
}
}
/**
* Returns the font that the receiver will use to paint textual information for the specified cell
* in this item.
*
* @param index the column index
* @return the receiver's font
* @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 Font getFont(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
Font result = getFont();
if (data != null
&& index >= 0
&& index < data.length
&& data[index] != null
&& data[index].font != null) {
result = data[index].font;
}
return result;
}
/**
* Sets the font that the receiver will use to paint textual information for the specified cell in
* this item to the font specified by the argument, or to the default font for that kind of
* control if the argument is null.
*
* @param index the column index
* @param font the new font (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @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 void setFont(final int index, final Font font) {
checkWidget();
if (font != null && font.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!equals(font, data[index].font)) {
data[index].font = font;
markCached();
parent.redraw();
}
}
}
/**
* Returns the foreground color at the given column index in the receiver.
*
* @param index the column index
* @return the foreground color
* @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 Color getForeground(final int index) {
checkWidget();
if (!parent.checkData(this, parent.indexOf(this))) {
error(SWT.ERROR_WIDGET_DISPOSED);
}
Color result = getForeground();
if (data != null
&& index >= 0
&& index < data.length
&& data[index] != null
&& data[index].foreground != null) {
result = data[index].foreground;
}
return result;
}
/**
* Sets the foreground color at the given column index in the receiver to the color specified by
* the argument, or to the default system color for the item if the argument is null.
*
* @param index the column index
* @param color the new color (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @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 void setForeground(final int index, final Color color) {
checkWidget();
if (color != null && color.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!equals(data[index].foreground, color)) {
data[index].foreground = color;
markCached();
parent.redraw();
}
}
}
private int getImageWidth(final int index) {
int result = 0;
Image image = getImage(index);
if (image != null) {
result = parent.getItemImageSize().x;
}
return result;
}
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;
}
final void removeData(final int index) {
if (data != null && parent.getColumnCount() > 1) {
Data[] newData = new Data[data.length - 1];
System.arraycopy(data, 0, newData, 0, index);
int offSet = data.length - index - 1;
System.arraycopy(data, index + 1, newData, index, offSet);
data = newData;
}
}
/**
* Sets the receiver's text at a column
*
* @param index the column index
* @param text the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @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 void setText(final int index, final String text) {
checkWidget();
if (text == null) {
SWT.error(SWT.ERROR_NULL_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!text.equals(data[index].text)) {
data[index].text = text;
markCached();
if (parent.getColumnCount() == 0) {
parent.updateScrollBars();
}
parent.redraw();
}
}
}
/**
* Sets the receiver's foreground color to the color specified by the argument, or to the default
* system color for the item if the argument is null.
*
* @param color the new color (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @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 void setForeground(final Color color) {
checkWidget();
if (color != null && color.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
if (!equals(foreground, color)) {
foreground = color;
markCached();
parent.redraw();
}
}
/**
* 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 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);
}
/**
* Sets the receiver's image at a column.
*
* @param index the column index
* @param image the new image
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed
* </ul>
*
* @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 void setImage(final int index, final Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!equals(data[index].image, image)) {
parent.updateColumnImageCount(index, data[index].image, image);
data[index].image = image;
parent.updateItemImageSize(image);
markCached();
if (parent.getColumnCount() == 0) {
parent.updateScrollBars();
}
parent.redraw();
}
}
}
private int getColumnWidth(final int index) {
TableColumn column = parent.getColumn(index);
return column.getWidth() - getCheckWidth(index);
}
private int getTop(final int itemIndex) {
int relativeItemIndex = itemIndex - parent.getTopIndex();
int headerHeight = parent.getHeaderHeight();
int itemHeight = parent.getItemHeight();
return headerHeight + relativeItemIndex * itemHeight;
}
final int getCheckWidth(final int index) {
return parent.getCheckWidth(index);
}
final int getPackWidth(final int index) {
return getImageWidth(index)
+ getSpacing(index)
+ getTextWidth(index)
+ parent.getCellPadding().width;
}
void releaseParent() {
parent.destroyItem(this, parent.indexOf(this));
}
