franta-hg@0: package cz.frantovo.gui.tabulky;
franta-hg@0:
franta-hg@0:
franta-hg@0: import java.awt.Component;
franta-hg@0: import java.awt.event.MouseAdapter;
franta-hg@0: import java.awt.event.MouseEvent;
franta-hg@0: import java.awt.event.MouseListener;
franta-hg@0: import java.util.ArrayList;
franta-hg@0: import java.util.Arrays;
franta-hg@0: import java.util.Comparator;
franta-hg@0: import java.util.HashMap;
franta-hg@0: import java.util.Iterator;
franta-hg@0: import java.util.List;
franta-hg@0: import java.util.Map;
franta-hg@0:
franta-hg@0: import javax.swing.Icon;
franta-hg@0: import javax.swing.ImageIcon;
franta-hg@0: import javax.swing.JLabel;
franta-hg@0: import javax.swing.JTable;
franta-hg@0: import javax.swing.event.TableModelEvent;
franta-hg@0: import javax.swing.event.TableModelListener;
franta-hg@0: import javax.swing.table.AbstractTableModel;
franta-hg@0: import javax.swing.table.JTableHeader;
franta-hg@0: import javax.swing.table.TableCellRenderer;
franta-hg@0: import javax.swing.table.TableColumnModel;
franta-hg@0: import javax.swing.table.TableModel;
franta-hg@0:
franta-hg@0: /**
franta-hg@0: * Tato t��da p�id�v� tabulce funk�nost �azen� podle v�ce sloupc�. Skute�n�
franta-hg@0: * model obsahuj�c� data sta�� obalit touto t��dou + je pot�eba nastavit:
franta-hg@0: * tableSorterModel.setTableHeader(table.getTableHeader());
franta-hg@0: *
franta-hg@0: * Jednodu��� ale je pou��vat t��du cz.ebanka.util.table.JTable, kter� v�echno
franta-hg@0: * �e�� za v�s.
franta-hg@0: *
franta-hg@0: * Tento TableSorterModel je zalo�en na p�vodn�m TableSorter od autor�: Philip
franta-hg@0: * Milne, Brendon McLean, Dan van Enckevort a Parwinder Sekhon.
franta-hg@0: *
franta-hg@0: * J� jsem p�idal hez�� grafick� �ipky v z�hlav� tabulky
franta-hg@0: *
franta-hg@0: *
franta-hg@0: * @author František Kučera
franta-hg@0: */
franta-hg@0:
franta-hg@0: public class TableSorterModel extends AbstractTableModel {
franta-hg@0:
franta-hg@0: private static final long serialVersionUID = 7902301859145867387L;
franta-hg@0:
franta-hg@0: protected TableModel tableModel;
franta-hg@0:
franta-hg@0: public static final int DESCENDING = -1;
franta-hg@0:
franta-hg@0: public static final int NOT_SORTED = 0;
franta-hg@0:
franta-hg@0: public static final int ASCENDING = 1;
franta-hg@0:
franta-hg@0: private static Directive EMPTY_DIRECTIVE = new Directive( -1,
franta-hg@0: NOT_SORTED);
franta-hg@0:
franta-hg@0: public static final Comparator COMPARABLE_COMAPRATOR = new Comparator() {
franta-hg@0:
franta-hg@0: public int compare (Object o1,
franta-hg@0: Object o2)
franta-hg@0: {
franta-hg@0: return ((Comparable) o1).compareTo(o2);
franta-hg@0: }
franta-hg@0: };
franta-hg@0:
franta-hg@0: public static final Comparator LEXICAL_COMPARATOR = new Comparator() {
franta-hg@0:
franta-hg@0: public int compare (Object o1,
franta-hg@0: Object o2)
franta-hg@0: {
franta-hg@0: return o1.toString().compareTo(o2.toString());
franta-hg@0: }
franta-hg@0: };
franta-hg@0:
franta-hg@0: private Row[] viewToModel;
franta-hg@0:
franta-hg@0: private int[] modelToView;
franta-hg@0:
franta-hg@0: private JTableHeader tableHeader;
franta-hg@0:
franta-hg@0: private MouseListener mouseListener;
franta-hg@0:
franta-hg@0: private TableModelListener tableModelListener;
franta-hg@0:
franta-hg@0: private Map columnComparators = new HashMap();
franta-hg@0:
franta-hg@0: private List sortingColumns = new ArrayList();
franta-hg@0:
franta-hg@0: private ImageIcon headerIconDown = new ImageIcon(getClass().getResource("/cz/frantovo/gui/tabulky/dolu.png"));
franta-hg@0:
franta-hg@0: private ImageIcon headerIconUp = new ImageIcon(getClass().getResource("/cz/frantovo/gui/tabulky/nahoru.png"));
franta-hg@0:
franta-hg@0: public TableSorterModel ()
franta-hg@0: {
franta-hg@0: this.mouseListener = new MouseHandler();
franta-hg@0: this.tableModelListener = new TableModelHandler();
franta-hg@0: }
franta-hg@0:
franta-hg@0: public TableSorterModel (TableModel tableModel)
franta-hg@0: {
franta-hg@0: this();
franta-hg@0: setTableModel(tableModel);
franta-hg@0: }
franta-hg@0:
franta-hg@0: public TableSorterModel (TableModel tableModel,
franta-hg@0: JTableHeader tableHeader)
franta-hg@0: {
franta-hg@0: this();
franta-hg@0: setTableHeader(tableHeader);
franta-hg@0: setTableModel(tableModel);
franta-hg@0: }
franta-hg@0:
franta-hg@0: private void clearSortingState ()
franta-hg@0: {
franta-hg@0: viewToModel = null;
franta-hg@0: modelToView = null;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public TableModel getTableModel ()
franta-hg@0: {
franta-hg@0: return tableModel;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void setTableModel (TableModel tableModel)
franta-hg@0: {
franta-hg@0: if (this.tableModel != null) {
franta-hg@0: this.tableModel.removeTableModelListener(tableModelListener);
franta-hg@0: }
franta-hg@0:
franta-hg@0: this.tableModel = tableModel;
franta-hg@0: if (this.tableModel != null) {
franta-hg@0: this.tableModel.addTableModelListener(tableModelListener);
franta-hg@0: }
franta-hg@0:
franta-hg@0: clearSortingState();
franta-hg@0: fireTableStructureChanged();
franta-hg@0: }
franta-hg@0:
franta-hg@0: public JTableHeader getTableHeader ()
franta-hg@0: {
franta-hg@0: return tableHeader;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void setTableHeader (JTableHeader tableHeader)
franta-hg@0: {
franta-hg@0: if (this.tableHeader != null) {
franta-hg@0: this.tableHeader.removeMouseListener(mouseListener);
franta-hg@0: TableCellRenderer defaultRenderer = this.tableHeader.getDefaultRenderer();
franta-hg@0: if (defaultRenderer instanceof SortableHeaderRenderer) {
franta-hg@0: this.tableHeader.setDefaultRenderer(((SortableHeaderRenderer) defaultRenderer).tableCellRenderer);
franta-hg@0: }
franta-hg@0: }
franta-hg@0: this.tableHeader = tableHeader;
franta-hg@0: if (this.tableHeader != null) {
franta-hg@0: this.tableHeader.addMouseListener(mouseListener);
franta-hg@0: this.tableHeader.setDefaultRenderer(new SortableHeaderRenderer(this.tableHeader.getDefaultRenderer()));
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: public boolean isSorting ()
franta-hg@0: {
franta-hg@0: return sortingColumns.size() != 0;
franta-hg@0: }
franta-hg@0:
franta-hg@0: private Directive getDirective (int column)
franta-hg@0: {
franta-hg@0: for (int i = 0; i < sortingColumns.size(); i++) {
franta-hg@0: Directive directive = (Directive) sortingColumns.get(i);
franta-hg@0: if (directive.column == column) {
franta-hg@0: return directive;
franta-hg@0: }
franta-hg@0: }
franta-hg@0: return EMPTY_DIRECTIVE;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public int getSortingStatus (int column)
franta-hg@0: {
franta-hg@0: return getDirective(column).direction;
franta-hg@0: }
franta-hg@0:
franta-hg@0: private void sortingStatusChanged ()
franta-hg@0: {
franta-hg@0: clearSortingState();
franta-hg@0: fireTableDataChanged();
franta-hg@0: if (tableHeader != null) {
franta-hg@0: tableHeader.repaint();
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void setSortingStatus (int column,
franta-hg@0: int status)
franta-hg@0: {
franta-hg@0: Directive directive = getDirective(column);
franta-hg@0: if (directive != EMPTY_DIRECTIVE) {
franta-hg@0: sortingColumns.remove(directive);
franta-hg@0: }
franta-hg@0: if (status != NOT_SORTED) {
franta-hg@0: sortingColumns.add(new Directive(column,
franta-hg@0: status));
franta-hg@0: }
franta-hg@0: sortingStatusChanged();
franta-hg@0: }
franta-hg@0:
franta-hg@0: protected Icon getHeaderRendererIcon (int column,
franta-hg@0: int size)
franta-hg@0: {
franta-hg@0: Directive directive = getDirective(column);
franta-hg@0: if (directive == EMPTY_DIRECTIVE) {
franta-hg@0: return null;
franta-hg@0: }
franta-hg@0:
franta-hg@0: if (directive.direction == DESCENDING) {
franta-hg@0: return headerIconDown;
franta-hg@0: } else {
franta-hg@0: return headerIconUp;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private void cancelSorting ()
franta-hg@0: {
franta-hg@0: sortingColumns.clear();
franta-hg@0: sortingStatusChanged();
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void setColumnComparator (Class type,
franta-hg@0: Comparator comparator)
franta-hg@0: {
franta-hg@0: if (comparator == null) {
franta-hg@0: columnComparators.remove(type);
franta-hg@0: } else {
franta-hg@0: columnComparators.put(type,
franta-hg@0: comparator);
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: protected Comparator getComparator (int column)
franta-hg@0: {
franta-hg@0: Class columnType = tableModel.getColumnClass(column);
franta-hg@0: Comparator comparator = (Comparator) columnComparators.get(columnType);
franta-hg@0: if (comparator != null) {
franta-hg@0: return comparator;
franta-hg@0: }
franta-hg@0: if (Comparable.class.isAssignableFrom(columnType)) {
franta-hg@0: return COMPARABLE_COMAPRATOR;
franta-hg@0: }
franta-hg@0: return LEXICAL_COMPARATOR;
franta-hg@0: }
franta-hg@0:
franta-hg@0: private Row[] getViewToModel ()
franta-hg@0: {
franta-hg@0: if (viewToModel == null) {
franta-hg@0: int tableModelRowCount = tableModel.getRowCount();
franta-hg@0: viewToModel = new Row[tableModelRowCount];
franta-hg@0: for (int row = 0; row < tableModelRowCount; row++) {
franta-hg@0: viewToModel[row] = new Row(row);
franta-hg@0: }
franta-hg@0:
franta-hg@0: if (isSorting()) {
franta-hg@0: Arrays.sort(viewToModel);
franta-hg@0: }
franta-hg@0: }
franta-hg@0: return viewToModel;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public int modelIndex (int viewIndex)
franta-hg@0: {
franta-hg@0: if (viewIndex > -1 && viewIndex < getViewToModel().length) {
franta-hg@0: return getViewToModel()[viewIndex].modelIndex;
franta-hg@0: } else {
franta-hg@0: return -1;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private int[] getModelToView ()
franta-hg@0: {
franta-hg@0: if (modelToView == null) {
franta-hg@0: int n = getViewToModel().length;
franta-hg@0: modelToView = new int[n];
franta-hg@0: for (int i = 0; i < n; i++) {
franta-hg@0: modelToView[modelIndex(i)] = i;
franta-hg@0: }
franta-hg@0: }
franta-hg@0: return modelToView;
franta-hg@0: }
franta-hg@0:
franta-hg@0: // Metody rozhran� TableModel
franta-hg@0:
franta-hg@0: public int getRowCount ()
franta-hg@0: {
franta-hg@0: return (tableModel == null) ? 0 : tableModel.getRowCount();
franta-hg@0: }
franta-hg@0:
franta-hg@0: public int getColumnCount ()
franta-hg@0: {
franta-hg@0: return (tableModel == null) ? 0 : tableModel.getColumnCount();
franta-hg@0: }
franta-hg@0:
franta-hg@0: public String getColumnName (int column)
franta-hg@0: {
franta-hg@0: return tableModel.getColumnName(column);
franta-hg@0: }
franta-hg@0:
franta-hg@0: public Class getColumnClass (int column)
franta-hg@0: {
franta-hg@0: return tableModel.getColumnClass(column);
franta-hg@0: }
franta-hg@0:
franta-hg@0: public boolean isCellEditable (int row,
franta-hg@0: int column)
franta-hg@0: {
franta-hg@0: return tableModel.isCellEditable(modelIndex(row),
franta-hg@0: column);
franta-hg@0: }
franta-hg@0:
franta-hg@0: public Object getValueAt (int row,
franta-hg@0: int column)
franta-hg@0: {
franta-hg@0: return tableModel.getValueAt(modelIndex(row),
franta-hg@0: column);
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void setValueAt (Object aValue,
franta-hg@0: int row,
franta-hg@0: int column)
franta-hg@0: {
franta-hg@0: tableModel.setValueAt(aValue,
franta-hg@0: modelIndex(row),
franta-hg@0: column);
franta-hg@0: }
franta-hg@0:
franta-hg@0: // Pomocn� t��dy
franta-hg@0:
franta-hg@0: private class Row implements Comparable {
franta-hg@0:
franta-hg@0: private int modelIndex;
franta-hg@0:
franta-hg@0: public Row (int index)
franta-hg@0: {
franta-hg@0: this.modelIndex = index;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public int compareTo (Object o)
franta-hg@0: {
franta-hg@0: int row1 = modelIndex;
franta-hg@0: int row2 = ((Row) o).modelIndex;
franta-hg@0:
franta-hg@0: for (Iterator it = sortingColumns.iterator(); it.hasNext();) {
franta-hg@0: Directive directive = (Directive) it.next();
franta-hg@0: int column = directive.column;
franta-hg@0: Object o1 = tableModel.getValueAt(row1,
franta-hg@0: column);
franta-hg@0: Object o2 = tableModel.getValueAt(row2,
franta-hg@0: column);
franta-hg@0:
franta-hg@0: int comparison = 0;
franta-hg@0: // Define null less than everything, except
franta-hg@0: // null.
franta-hg@0: if (o1 == null && o2 == null) {
franta-hg@0: comparison = 0;
franta-hg@0: } else if (o1 == null) {
franta-hg@0: comparison = -1;
franta-hg@0: } else if (o2 == null) {
franta-hg@0: comparison = 1;
franta-hg@0: } else {
franta-hg@0: comparison = getComparator(column).compare(o1,
franta-hg@0: o2);
franta-hg@0: }
franta-hg@0: if (comparison != 0) {
franta-hg@0: return directive.direction == DESCENDING ? -comparison : comparison;
franta-hg@0: }
franta-hg@0: }
franta-hg@0: return 0;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private class TableModelHandler implements TableModelListener {
franta-hg@0:
franta-hg@0: public void tableChanged (TableModelEvent e)
franta-hg@0: {
franta-hg@0: // If we're not sorting by anything, just pass the event
franta-hg@0: // along.
franta-hg@0: if ( !isSorting()) {
franta-hg@0: clearSortingState();
franta-hg@0: fireTableChanged(e);
franta-hg@0: return;
franta-hg@0: }
franta-hg@0:
franta-hg@0: // If the table structure has changed, cancel the
franta-hg@0: // sorting; the
franta-hg@0: // sorting columns may have been either moved or deleted
franta-hg@0: // from
franta-hg@0: // the model.
franta-hg@0: if (e.getFirstRow() == TableModelEvent.HEADER_ROW) {
franta-hg@0: cancelSorting();
franta-hg@0: fireTableChanged(e);
franta-hg@0: return;
franta-hg@0: }
franta-hg@0:
franta-hg@0: // We can map a cell event through to the view without
franta-hg@0: // widening
franta-hg@0: // when the following conditions apply:
franta-hg@0: //
franta-hg@0: // a) all the changes are on one row (e.getFirstRow() ==
franta-hg@0: // e.getLastRow()) and,
franta-hg@0: // b) all the changes are in one column (column !=
franta-hg@0: // TableModelEvent.ALL_COLUMNS) and,
franta-hg@0: // c) we are not sorting on that column
franta-hg@0: // (getSortingStatus(column) == NOT_SORTED) and,
franta-hg@0: // d) a reverse lookup will not trigger a sort
franta-hg@0: // (modelToView != null)
franta-hg@0: //
franta-hg@0: // Note: INSERT and DELETE events fail this test as they
franta-hg@0: // have column == ALL_COLUMNS.
franta-hg@0: //
franta-hg@0: // The last check, for (modelToView != null) is to see
franta-hg@0: // if modelToView
franta-hg@0: // is already allocated. If we don't do this check;
franta-hg@0: // sorting can become
franta-hg@0: // a performance bottleneck for applications where cells
franta-hg@0: // change rapidly in different parts of the table. If
franta-hg@0: // cells
franta-hg@0: // change alternately in the sorting column and then
franta-hg@0: // outside of
franta-hg@0: // it this class can end up re-sorting on alternate cell
franta-hg@0: // updates -
franta-hg@0: // which can be a performance problem for large tables.
franta-hg@0: // The last
franta-hg@0: // clause avoids this problem.
franta-hg@0: int column = e.getColumn();
franta-hg@0: if (e.getFirstRow() == e.getLastRow() && column != TableModelEvent.ALL_COLUMNS && getSortingStatus(column) == NOT_SORTED
franta-hg@0: && modelToView != null) {
franta-hg@0: int viewIndex = getModelToView()[e.getFirstRow()];
franta-hg@0: fireTableChanged(new TableModelEvent(TableSorterModel.this,
franta-hg@0: viewIndex,
franta-hg@0: viewIndex,
franta-hg@0: column,
franta-hg@0: e.getType()));
franta-hg@0: return;
franta-hg@0: }
franta-hg@0:
franta-hg@0: // Something has happened to the data that may have
franta-hg@0: // invalidated the row order.
franta-hg@0: clearSortingState();
franta-hg@0: fireTableDataChanged();
franta-hg@0: return;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private class MouseHandler extends MouseAdapter {
franta-hg@0:
franta-hg@0: public void mouseClicked (MouseEvent e)
franta-hg@0: {
franta-hg@0: JTableHeader h = (JTableHeader) e.getSource();
franta-hg@0: TableColumnModel columnModel = h.getColumnModel();
franta-hg@0: int viewColumn = columnModel.getColumnIndexAtX(e.getX());
franta-hg@0: int column = columnModel.getColumn(viewColumn).getModelIndex();
franta-hg@0: if (column != -1) {
franta-hg@0: int status = getSortingStatus(column);
franta-hg@0: if ( !e.isControlDown()) {
franta-hg@0: cancelSorting();
franta-hg@0: }
franta-hg@0: // Cycle the sorting states through {NOT_SORTED,
franta-hg@0: // ASCENDING, DESCENDING} or
franta-hg@0: // {NOT_SORTED, DESCENDING, ASCENDING} depending
franta-hg@0: // on whether shift is pressed.
franta-hg@0: status = status + (e.isShiftDown() ? -1 : 1);
franta-hg@0: status = (status + 4) % 3 - 1; // signed mod,
franta-hg@0: // returning
franta-hg@0: // {-1, 0, 1}
franta-hg@0: setSortingStatus(column,
franta-hg@0: status);
franta-hg@0: }
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private class SortableHeaderRenderer implements TableCellRenderer {
franta-hg@0:
franta-hg@0: private TableCellRenderer tableCellRenderer;
franta-hg@0:
franta-hg@0: public SortableHeaderRenderer (TableCellRenderer tableCellRenderer)
franta-hg@0: {
franta-hg@0: this.tableCellRenderer = tableCellRenderer;
franta-hg@0: }
franta-hg@0:
franta-hg@0: public Component getTableCellRendererComponent (JTable table,
franta-hg@0: Object value,
franta-hg@0: boolean isSelected,
franta-hg@0: boolean hasFocus,
franta-hg@0: int row,
franta-hg@0: int column)
franta-hg@0: {
franta-hg@0: Component c = tableCellRenderer.getTableCellRendererComponent(table,
franta-hg@0: value,
franta-hg@0: isSelected,
franta-hg@0: hasFocus,
franta-hg@0: row,
franta-hg@0: column);
franta-hg@0: if (c instanceof JLabel) {
franta-hg@0: JLabel l = (JLabel) c;
franta-hg@0: l.setHorizontalTextPosition(JLabel.LEFT);
franta-hg@0: int modelColumn = table.convertColumnIndexToModel(column);
franta-hg@0: l.setIcon(getHeaderRendererIcon(modelColumn,
franta-hg@0: l.getFont().getSize()));
franta-hg@0: }
franta-hg@0: return c;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: private static class Directive {
franta-hg@0:
franta-hg@0: private int column;
franta-hg@0:
franta-hg@0: private int direction;
franta-hg@0:
franta-hg@0: public Directive (int column,
franta-hg@0: int direction)
franta-hg@0: {
franta-hg@0: this.column = column;
franta-hg@0: this.direction = direction;
franta-hg@0: }
franta-hg@0: }
franta-hg@0:
franta-hg@0: public void fireTableColumnUpdated (int index)
franta-hg@0: {
franta-hg@0: for (int i = 0; i < getRowCount(); i++) {
franta-hg@0: fireTableCellUpdated(i,
franta-hg@0: index);
franta-hg@0: }
franta-hg@0: }
franta-hg@0: }