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| import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.Function;
import javax.swing.table.AbstractTableModel;
public class ArrayListTableModel<T> extends AbstractTableModel {
private static final long serialVersionUID = 1L;
private final List<T> rows = new ArrayList<>();
private final Set<T> modified = new HashSet<>();
private final Column<T, ?>[] columns;
public ArrayListTableModel(Column<T, ?>... columns) {
this.columns = Arrays.copyOf(columns, columns.length);
}
public ArrayListTableModel(List<T> rows, Column<T, ?>... columns) {
this(columns);
this.rows.addAll(rows);
}
@Override
public int getRowCount() {
return rows.size();
}
public boolean isEmpty() {
return rows.isEmpty();
}
@Override
public int getColumnCount() {
return columns.length;
}
@Override
public String getColumnName(int columnIndex) {
return columns[columnIndex].getName();
}
@Override
public Class<?> getColumnClass(int columnIndex) {
return columns[columnIndex].getDataClass();
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
return columns[columnIndex].getValue(rows.get(rowIndex));
}
@Override
public void setValueAt(Object value, int rowIndex, int columnIndex) {
columns[columnIndex].setValue(rows.get(rowIndex), value);
modified.add(rows.get(rowIndex));
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columns[columnIndex].isEditable();
}
public void addRow(T data) {
insertRow(rows.size(), data);
}
public void setRow(int row, T data) {
rows.set(row, data);
fireTableRowsUpdated(row, row);
}
public void insertRow(int row, T data) {
rows.add(row, data);
fireTableRowsInserted(row, row);
}
public void removeRow(int row) {
rows.remove(row);
fireTableRowsDeleted(row, row);
}
public void remove(T data) {
int row = rows.indexOf(data);
if ( row>=0 ) {
removeRow(row);
}
}
public void addRows(T data, T...dataArray) {
int first = rows.size();
rows.add(first, data);
int last = first;
for(T d : dataArray) {
last=rows.size();
rows.add(last, d);
}
fireTableRowsInserted(first, last);
}
public void addRows(Collection<T> data) {
if ( !data.isEmpty() ) {
int first = rows.size();
int last = first;
for(T d : data) {
last=rows.size();
rows.add(last, d);
}
fireTableRowsInserted(first, last);
}
}
public void removeRows(int first, int last) {
last = Math.min(rows.size()-1,last);
if ( first<=last ) {
rows.subList(first, last+1).clear();
fireTableRowsDeleted(first, last);
}
}
public void clearRows() {
if ( !rows.isEmpty() ) {
int first = 0;
int last = rows.size()-1;
rows.clear();
fireTableRowsDeleted(first, last);
}
}
public void setRows(T data, T...dataArray) {
clearRows();
int first = rows.size();
rows.add(first, data);
int last = first;
for(T d : dataArray) {
last=rows.size();
rows.add(last, d);
}
fireTableRowsInserted(first, last);
}
public void reset() {
modified.clear();
}
public Collection<T> getRows() {
return new ArrayList<>(rows);
}
public Collection<T> modifiedRows() {
return new HashSet<>(modified);
}
public static class Column<T, C> {
private String name;
private Function<T, C> getter;
private BiConsumer<T, C> setter;
private Class<C> dataClass;
public Column(String name, Class<C> dataClass, Function<T, C> getter) {
this(name, dataClass, getter, null);
}
public Class<?> getDataClass() {
return dataClass;
}
public Column(String name, Class<C> dataClass, Function<T, C> getter, BiConsumer<T, C> setter) {
this.name = name;
this.dataClass = dataClass;
this.getter = getter;
this.setter = setter;
}
public boolean isEditable() {
return setter != null;
}
public String getName() {
return name;
}
public C getValue(T elem) {
return getter.apply(elem);
}
public void setValue(T elem, Object value) {
if (setter != null) {
setter.accept(elem, dataClass.cast(value));
}
}
}
} |
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