@Override
public void update(Cell changed) {
if (!spreadSheet.getModified().contains(this)) {
spreadSheet.getModified().add(this);
setValue(new vInvalid(expression));
for (Cell cell : referThis) cell.update(this);
}
}
@Override
public int hashCode() {
int result = spreadSheet != null ? spreadSheet.hashCode() : 0;
result = 31 * result + (location != null ? location.hashCode() : 0);
result = 31 * result + (expression != null ? expression.hashCode() : 0);
result = 31 * result + (isModified ? 1 : 0);
return result;
}
public void setExpression(String expression) {
if (expression.startsWith("=")) expression = expression.replaceFirst("=", "");
for (CellImpl cell : thisRefer) {
cell.referThis.remove(this);
}
this.thisRefer.clear();
this.expression = expression;
setValue(new vInvalid(expression));
spreadSheet.getModified().add(this);
for (Location location : SpreadsheetImpl.getReferredLocation(expression)) {
CellImpl cell = spreadSheet.InsertCellIfNotExistAt(location);
thisRefer.add(cell);
cell.referThis.add(this);
}
for (Cell cell : referThis) cell.update(this);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CellImpl cell = (CellImpl) o;
if (isModified != cell.isModified) return false;
if (spreadSheet != null ? !spreadSheet.equals(cell.spreadSheet) : cell.spreadSheet != null)
return false;
if (location != null ? !location.equals(cell.location) : cell.location != null) return false;
if (expression != null ? !expression.equals(cell.expression) : cell.expression != null)
return false;
return true;
}
