public void addLayoutComponent(Component comp, Object constraints) {
GridConstraints c = (GridConstraints) constraints;
int row = c.getRow();
int rowSpan = c.getRowSpan();
int rowCount = this.getRowCount();
if (row >= 0 && row < rowCount) {
if (row + rowSpan - 1 >= rowCount) {
throw new IllegalArgumentException(
"wrong row span: " + rowSpan + "; row=" + row + " rowCount=" + rowCount);
} else {
int column = c.getColumn();
int colSpan = c.getColSpan();
int columnCount = this.getColumnCount();
if (column >= 0 && column < columnCount) {
if (column + colSpan - 1 >= columnCount) {
throw new IllegalArgumentException(
"wrong col span: "
+ colSpan
+ "; column="
+ column
+ " columnCount="
+ columnCount);
} else {
super.addLayoutComponent(comp, constraints);
}
} else {
throw new IllegalArgumentException("wrong column: " + column);
}
}
} else {
throw new IllegalArgumentException("wrong row: " + row);
}
}
