protected void drawBottomSpace(GC gc) {
Rectangle r = getClientArea();
if (m_Model.getRowCount() > 0) {
r.y =
m_Model.getFirstRowHeight()
+ (m_Model.getFixedRowCount() - 1 + m_RowsVisible) * m_Model.getRowHeight()
+ 1;
}
gc.setBackground(getBackground());
gc.fillRectangle(r);
gc.fillRectangle(getLastColumnRight() + 2, 0, r.width, r.height);
if (m_Model.getRowCount() > 0) {
if (flatStyleSpecified)
// gc.setForeground(this.getBackground());
gc.setForeground(m_Display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
else gc.setForeground(m_Display.getSystemColor(SWT.COLOR_WIDGET_DARK_SHADOW));
// Linke Schattenlinie
gc.drawLine(0, 0, 0, r.y - 1);
}
if (!flatStyleSpecified) gc.setForeground(this.getBackground());
else gc.setForeground(m_Display.getSystemColor(SWT.COLOR_WHITE));
// Untere Abschlusslinie
gc.drawLine(0, r.y - 1, getLastColumnRight() + 1, r.y - 1);
// Rechte Abschlusslinie
gc.drawLine(getLastColumnRight() + 1, 0, getLastColumnRight() + 1, r.y - 1);
}
protected void onKeyDown(KeyEvent e) {
boolean focusChanged = false;
int newFocusRow = m_FocusRow;
int newFocusCol = m_FocusCol;
if (m_Model == null) return;
if ((e.character == ' ') || (e.character == '\r')) {
openEditorInFocus();
return;
} else if (e.keyCode == SWT.HOME) {
newFocusCol = m_Model.getFixedColumnCount();
if (newFocusRow == -1) newFocusRow = m_Model.getFixedRowCount();
focusChanged = true;
} else if (e.keyCode == SWT.END) {
newFocusCol = m_Model.getColumnCount() - 1;
if (newFocusRow == -1) newFocusRow = m_Model.getFixedRowCount();
focusChanged = true;
} else if (e.keyCode == SWT.ARROW_LEFT) {
if (!m_RowSelectionMode) {
if (newFocusCol > m_Model.getFixedColumnCount()) newFocusCol--;
}
focusChanged = true;
} else if (e.keyCode == SWT.ARROW_RIGHT) {
if (!m_RowSelectionMode) {
if (newFocusCol == -1) {
newFocusCol = m_Model.getFixedColumnCount();
newFocusRow = m_Model.getFixedRowCount();
} else if (newFocusCol < m_Model.getColumnCount() - 1) newFocusCol++;
}
focusChanged = true;
} else if (e.keyCode == SWT.ARROW_DOWN) {
if (newFocusRow == -1) {
newFocusRow = m_Model.getFixedRowCount();
newFocusCol = m_Model.getFixedColumnCount();
} else if (newFocusRow < m_Model.getRowCount() - 1) newFocusRow++;
focusChanged = true;
} else if (e.keyCode == SWT.ARROW_UP) {
if (newFocusRow > m_Model.getFixedRowCount()) newFocusRow--;
focusChanged = true;
} else if (e.keyCode == SWT.PAGE_DOWN) {
newFocusRow += m_RowsVisible - 1;
if (newFocusRow >= m_Model.getRowCount()) newFocusRow = m_Model.getRowCount() - 1;
if (newFocusCol == -1) newFocusCol = m_Model.getFixedColumnCount();
focusChanged = true;
} else if (e.keyCode == SWT.PAGE_UP) {
newFocusRow -= m_RowsVisible - 1;
if (newFocusRow < m_Model.getFixedRowCount()) newFocusRow = m_Model.getFixedRowCount();
if (newFocusCol == -1) newFocusCol = m_Model.getFixedColumnCount();
focusChanged = true;
}
if (focusChanged) {
focusCell(newFocusCol, newFocusRow, e.stateMask);
if (!isCellFullyVisible(m_FocusCol, m_FocusRow)) scrollToFocus();
}
}
/**
* Returns the number of the row that is present at position y or -1, if out of area.
*
* @param y
* @return int
*/
public int calcRowNum(int y) {
if (m_Model == null) return -1;
if (y < m_Model.getFirstRowHeight()) return (m_Model.getFixedRowCount() == 0 ? m_TopRow : 0);
y -= m_Model.getFirstRowHeight();
int row = 1 + (y / m_Model.getRowHeight());
if ((row < 0) || (row >= m_Model.getRowCount())) return -1;
if (row >= m_Model.getFixedRowCount()) return m_TopRow + row - m_Model.getFixedRowCount();
return row;
}
/**
* Selects the given cell. If scroll is true, it scrolls to show this cell if neccessary. In Row
* Selection Mode, the given row is selected and a scroll to the given column is done. Does
* nothing if the cell does not exist.
*
* @param col
* @param row
* @param scroll
*/
public void setSelection(int col, int row, boolean scroll) {
if (col < m_Model.getColumnCount()
&& col >= m_Model.getFixedColumnCount()
&& row < m_Model.getRowCount()
&& row >= m_Model.getFixedRowCount()) {
focusCell(col, row, 0);
if (scroll) {
scrollToFocus();
}
}
}
protected void drawCell(GC gc, int col, int row) {
if ((row < 0) || (row >= m_Model.getRowCount())) {
return;
}
Rectangle rect = getCellRect(col, row);
m_Model
.getCellRenderer(col, row)
.drawCell(
gc,
rect,
col,
row,
m_Model.getContentAt(col, row),
showAsSelected(col, row),
col < m_Model.getFixedColumnCount() || row < m_Model.getFixedRowCount(),
col == m_ClickColumnIndex && row == m_ClickRowIndex);
}
protected void doCalculations() {
if (m_Model == null) {
ScrollBar sb = getHorizontalBar();
if (sb != null) {
sb.setMinimum(0);
sb.setMaximum(1);
sb.setPageIncrement(1);
sb.setThumb(1);
sb.setSelection(1);
}
sb = getVerticalBar();
if (sb != null) {
sb.setMinimum(0);
sb.setMaximum(1);
sb.setPageIncrement(1);
sb.setThumb(1);
sb.setSelection(1);
}
return;
}
int m_HeaderHeight = m_Model.getFirstRowHeight();
int m_RowHeight = m_Model.getRowHeight();
Rectangle rect = getClientArea();
if (m_LeftColumn < m_Model.getFixedColumnCount()) {
m_LeftColumn = m_Model.getFixedColumnCount();
}
if (m_TopRow < m_Model.getFixedRowCount()) {
m_TopRow = m_Model.getFixedRowCount();
}
int fixedWidth = getFixedWidth();
int fixedHeight = m_HeaderHeight + (m_Model.getFixedRowCount() - 1) * m_Model.getRowHeight();
m_ColumnsVisible = 0;
m_ColumnsFullyVisible = 0;
if (m_Model.getColumnCount() > m_Model.getFixedColumnCount()) {
int runningWidth = getColumnLeft(m_LeftColumn);
for (int col = m_LeftColumn; col < m_Model.getColumnCount(); col++) {
if (runningWidth < rect.width + rect.x) m_ColumnsVisible++;
runningWidth += m_Model.getColumnWidth(col);
if (runningWidth < rect.width + rect.x) m_ColumnsFullyVisible++;
else break;
}
}
ScrollBar sb = getHorizontalBar();
if (sb != null) {
if (m_Model.getColumnCount() <= m_Model.getFixedColumnCount()) {
sb.setMinimum(0);
sb.setMaximum(1);
sb.setPageIncrement(1);
sb.setThumb(1);
sb.setSelection(1);
} else {
sb.setMinimum(m_Model.getFixedColumnCount());
sb.setMaximum(m_Model.getColumnCount());
sb.setIncrement(1);
sb.setPageIncrement(2);
sb.setThumb(m_ColumnsFullyVisible);
sb.setSelection(m_LeftColumn);
}
}
m_RowsFullyVisible = Math.max(0, (rect.height - fixedHeight) / m_RowHeight);
m_RowsFullyVisible =
Math.min(m_RowsFullyVisible, m_Model.getRowCount() - m_Model.getFixedRowCount());
m_RowsFullyVisible = Math.max(0, m_RowsFullyVisible);
m_RowsVisible = m_RowsFullyVisible + 1;
if (m_TopRow + m_RowsFullyVisible > m_Model.getRowCount()) {
m_TopRow = Math.max(m_Model.getFixedRowCount(), m_Model.getRowCount() - m_RowsFullyVisible);
}
if (m_TopRow + m_RowsFullyVisible >= m_Model.getRowCount()) {
m_RowsVisible--;
}
sb = getVerticalBar();
if (sb != null) {
if (m_Model.getRowCount() <= m_Model.getFixedRowCount()) {
sb.setMinimum(0);
sb.setMaximum(1);
sb.setPageIncrement(1);
sb.setThumb(1);
sb.setSelection(1);
} else {
sb.setMinimum(m_Model.getFixedRowCount());
sb.setMaximum(m_Model.getRowCount());
sb.setPageIncrement(m_RowsVisible);
sb.setIncrement(1);
sb.setThumb(m_RowsFullyVisible);
sb.setSelection(m_TopRow);
}
}
}
