/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ro.nextreports.designer.grid;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.LinkedHashSet;
/**
* Default implementation of <code>SelectionModel</code>.
*
* @author Decebal Suiu
*/
public class DefaultSelectionModel extends AbstractSelectionModel {
private LinkedHashSet<Cell> selectedCells;
private LinkedHashSet<Integer> selectedRows;
public DefaultSelectionModel() {
selectedCells = new LinkedHashSet<Cell>();
selectedRows = new LinkedHashSet<Integer>();
}
public boolean isSelected(int row, int column) {
for (Cell cell : selectedCells) {
if ((row == cell.getRow()) && (column == cell.getColumn())) {
return true;
}
}
return false;
}
public boolean isRowSelected(int row) {
for (Cell cell : selectedCells) {
if (row == cell.getRow()) {
return true;
}
}
return false;
}
public boolean isColumnSelected(int column) {
for (Cell cell : selectedCells) {
if (column == cell.getColumn()) {
return true;
}
}
return false;
}
public void clearSelection() {
selectedCells.clear();
selectedRows.clear();
}
public void emptySelection() {
selectedCells.clear();
selectedRows.clear();
fireEmptySelection();
}
public void addRootSelection() {
fireSelectionChanged(true);
}
public void addSelectionCell(Cell cell) {
selectedCells.add(cell);
fireSelectionChanged();
}
public void addSelectionRow(int row) {
selectedRows.add(row);
fireSelectionChanged();
}
public void removeSelectionCell(Cell cell) {
selectedCells.remove(cell);
fireSelectionChanged();
}
public void removeSelectionRow(int row) {
selectedRows.remove(row);
fireSelectionChanged();
}
public void addSelectionCells(List<Cell> cells) {
selectedCells.addAll(cells);
fireSelectionChanged();
}
public void addSelectionRows(List<Integer> rows) {
selectedRows.addAll(rows);
fireSelectionChanged();
}
public List<Cell> getSelectedCells() {
List<Cell> cells = new ArrayList<Cell>();
cells.addAll(selectedCells);
List<Cell> result = clone(cells);
Collections.sort(result, new Comparator<Cell>() {
public int compare(Cell c1, Cell c2) {
if (c1.getRow() == c2.getRow()) {
if (c1.getColumn() == c2.getColumn()) {
return 0;
} else {
return c1.getColumn() - c2.getColumn();
}
} else {
return c1.getRow() - c2.getRow();
}
}
});
return result;
}
private List<Cell> clone(List<Cell> list) {
List<Cell> result = new ArrayList<Cell>();
for(Cell cell : list) {
Cell newCell = new Cell(cell.getRow(), cell.getColumn());
result.add(cell);
}
return result;
}
public Cell getLastSelectedCell() {
if (selectedCells.size() != 0) {
List<Cell> cells = new ArrayList<Cell>();
cells.addAll(selectedCells);
return cells.get(cells.size()-1);
}
return null;
}
public Cell getSelectedCell() {
if (selectedCells.size() != 0) {
List<Cell> cells = new ArrayList<Cell>();
cells.addAll(selectedCells);
return cells.get(0);
}
return null;
}
public void setFirstCell(Cell cell) {
selectedCells.remove(cell);
LinkedHashSet<Cell> result = new LinkedHashSet<Cell>();
result.add(cell);
result.addAll(selectedCells);
selectedCells = result;
}
public void setLastCell(Cell cell) {
selectedCells.remove(cell);
selectedCells.add(cell);
}
public boolean isFullRowSelected(int row) {
for (Integer i : selectedRows) {
if (row == i.intValue()) {
return true;
}
}
return false;
}
public List<Integer> getSelectedRows() {
return new ArrayList<Integer>(selectedRows);
}
}