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);
}
}
/**
* Add component
*
* @param component Component added
* @param column Column where component is added
* @param slotIndex Index inside column
*/
protected void addComponent(
Component component, ColumnLayoutState.ColumnState column, int slotIndex) {
super.addComponent(component);
if (slotIndex < 0 || column.children.size() <= slotIndex) {
column.children.add(component);
} else {
column.children.add(slotIndex, component);
}
}
@Override
public void removeComponent(Component component) {
ColumnLayoutState.ColumnState column = findColumn(component);
if (column == null) {
return;
}
column.children.remove(component);
super.removeComponent(component);
}
/**
* Sets the layout constraint of the given figure. The constraints can only be of type {@link
* Rectangle}.
*
* @see LayoutManager#setConstraint(IFigure, Object)
* @since 2.0
*/
public void setConstraint(IFigure figure, Object newConstraint) {
super.setConstraint(figure, newConstraint);
if (newConstraint != null) constraints.put(figure, newConstraint);
}
/** @see LayoutManager#remove(IFigure) */
public void remove(IFigure figure) {
super.remove(figure);
constraints.remove(figure);
}
@Override
public void removeAllComponents() {
getState().columns.clear();
super.removeAllComponents();
}
