-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer (Development Version 2.4.1)\r
- * Copyright (C) 2009 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
- * \r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- * \r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- * \r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\r
- */\r
-package jalview.util;\r
-\r
-import java.util.*;\r
-import java.util.List;\r
-\r
-import java.awt.*;\r
-import java.awt.event.*;\r
-import javax.swing.*;\r
-import javax.swing.event.*;\r
-import javax.swing.table.*;\r
-\r
-/**\r
- * TableSorter is a decorator for TableModels; adding sorting functionality to a\r
- * supplied TableModel. TableSorter does not store or copy the data in its\r
- * TableModel; instead it maintains a map from the row indexes of the view to\r
- * the row indexes of the model. As requests are made of the sorter (like\r
- * getValueAt(row, col)) they are passed to the underlying model after the row\r
- * numbers have been translated via the internal mapping array. This way, the\r
- * TableSorter appears to hold another copy of the table with the rows in a\r
- * different order. <p/> TableSorter registers itself as a listener to the\r
- * underlying model, just as the JTable itself would. Events recieved from the\r
- * model are examined, sometimes manipulated (typically widened), and then\r
- * passed on to the TableSorter's listeners (typically the JTable). If a change\r
- * to the model has invalidated the order of TableSorter's rows, a note of this\r
- * is made and the sorter will resort the rows the next time a value is\r
- * requested. <p/> When the tableHeader property is set, either by using the\r
- * setTableHeader() method or the two argument constructor, the table header may\r
- * be used as a complete UI for TableSorter. The default renderer of the\r
- * tableHeader is decorated with a renderer that indicates the sorting status of\r
- * each column. In addition, a mouse listener is installed with the following\r
- * behavior:\r
- * <ul>\r
- * <li> Mouse-click: Clears the sorting status of all other columns and advances\r
- * the sorting status of that column through three values: {NOT_SORTED,\r
- * ASCENDING, DESCENDING} (then back to NOT_SORTED again).\r
- * <li> SHIFT-mouse-click: Clears the sorting status of all other columns and\r
- * cycles the sorting status of the column through the same three values, in the\r
- * opposite order: {NOT_SORTED, DESCENDING, ASCENDING}.\r
- * <li> CONTROL-mouse-click and CONTROL-SHIFT-mouse-click: as above except that\r
- * the changes to the column do not cancel the statuses of columns that are\r
- * already sorting - giving a way to initiate a compound sort.\r
- * </ul>\r
- * <p/> This is a long overdue rewrite of a class of the same name that first\r
- * appeared in the swing table demos in 1997.\r
- * \r
- * @author Philip Milne\r
- * @author Brendon McLean\r
- * @author Dan van Enckevort\r
- * @author Parwinder Sekhon\r
- * @version 2.0 02/27/04\r
- */\r
-\r
-public class TableSorter extends AbstractTableModel\r
-{\r
- protected TableModel tableModel;\r
-\r
- public static final int DESCENDING = -1;\r
-\r
- public static final int NOT_SORTED = 0;\r
-\r
- public static final int ASCENDING = 1;\r
-\r
- private static Directive EMPTY_DIRECTIVE = new Directive(-1, NOT_SORTED);\r
-\r
- public static final Comparator COMPARABLE_COMAPRATOR = new Comparator()\r
- {\r
- public int compare(Object o1, Object o2)\r
- {\r
- return ((Comparable) o1).compareTo(o2);\r
- }\r
- };\r
-\r
- public static final Comparator LEXICAL_COMPARATOR = new Comparator()\r
- {\r
- public int compare(Object o1, Object o2)\r
- {\r
- return o1.toString().compareTo(o2.toString());\r
- }\r
- };\r
-\r
- private Row[] viewToModel;\r
-\r
- private int[] modelToView;\r
-\r
- private JTableHeader tableHeader;\r
-\r
- private MouseListener mouseListener;\r
-\r
- private TableModelListener tableModelListener;\r
-\r
- private Map columnComparators = new HashMap();\r
-\r
- private List sortingColumns = new ArrayList();\r
-\r
- public TableSorter()\r
- {\r
- this.mouseListener = new MouseHandler();\r
- this.tableModelListener = new TableModelHandler();\r
- }\r
-\r
- public TableSorter(TableModel tableModel)\r
- {\r
- this();\r
- setTableModel(tableModel);\r
- }\r
-\r
- public TableSorter(TableModel tableModel, JTableHeader tableHeader)\r
- {\r
- this();\r
- setTableHeader(tableHeader);\r
- setTableModel(tableModel);\r
- }\r
-\r
- private void clearSortingState()\r
- {\r
- viewToModel = null;\r
- modelToView = null;\r
- }\r
-\r
- public TableModel getTableModel()\r
- {\r
- return tableModel;\r
- }\r
-\r
- public void setTableModel(TableModel tableModel)\r
- {\r
- if (this.tableModel != null)\r
- {\r
- this.tableModel.removeTableModelListener(tableModelListener);\r
- }\r
-\r
- this.tableModel = tableModel;\r
- if (this.tableModel != null)\r
- {\r
- this.tableModel.addTableModelListener(tableModelListener);\r
- }\r
-\r
- clearSortingState();\r
- fireTableStructureChanged();\r
- }\r
-\r
- public JTableHeader getTableHeader()\r
- {\r
- return tableHeader;\r
- }\r
-\r
- public void setTableHeader(JTableHeader tableHeader)\r
- {\r
- if (this.tableHeader != null)\r
- {\r
- this.tableHeader.removeMouseListener(mouseListener);\r
- TableCellRenderer defaultRenderer = this.tableHeader\r
- .getDefaultRenderer();\r
- if (defaultRenderer instanceof SortableHeaderRenderer)\r
- {\r
- this.tableHeader\r
- .setDefaultRenderer(((SortableHeaderRenderer) defaultRenderer).tableCellRenderer);\r
- }\r
- }\r
- this.tableHeader = tableHeader;\r
- if (this.tableHeader != null)\r
- {\r
- this.tableHeader.addMouseListener(mouseListener);\r
- this.tableHeader.setDefaultRenderer(new SortableHeaderRenderer(\r
- this.tableHeader.getDefaultRenderer()));\r
- }\r
- }\r
-\r
- public boolean isSorting()\r
- {\r
- return sortingColumns.size() != 0;\r
- }\r
-\r
- private Directive getDirective(int column)\r
- {\r
- for (int i = 0; i < sortingColumns.size(); i++)\r
- {\r
- Directive directive = (Directive) sortingColumns.get(i);\r
- if (directive.column == column)\r
- {\r
- return directive;\r
- }\r
- }\r
- return EMPTY_DIRECTIVE;\r
- }\r
-\r
- public int getSortingStatus(int column)\r
- {\r
- return getDirective(column).direction;\r
- }\r
-\r
- private void sortingStatusChanged()\r
- {\r
- clearSortingState();\r
- fireTableDataChanged();\r
- if (tableHeader != null)\r
- {\r
- tableHeader.repaint();\r
- }\r
- }\r
-\r
- public void setSortingStatus(int column, int status)\r
- {\r
- Directive directive = getDirective(column);\r
- if (directive != EMPTY_DIRECTIVE)\r
- {\r
- sortingColumns.remove(directive);\r
- }\r
- if (status != NOT_SORTED)\r
- {\r
- sortingColumns.add(new Directive(column, status));\r
- }\r
- sortingStatusChanged();\r
- }\r
-\r
- protected Icon getHeaderRendererIcon(int column, int size)\r
- {\r
- Directive directive = getDirective(column);\r
- if (directive == EMPTY_DIRECTIVE)\r
- {\r
- return null;\r
- }\r
- return new Arrow(directive.direction == DESCENDING, size,\r
- sortingColumns.indexOf(directive));\r
- }\r
-\r
- private void cancelSorting()\r
- {\r
- sortingColumns.clear();\r
- sortingStatusChanged();\r
- }\r
-\r
- public void setColumnComparator(Class type, Comparator comparator)\r
- {\r
- if (comparator == null)\r
- {\r
- columnComparators.remove(type);\r
- }\r
- else\r
- {\r
- columnComparators.put(type, comparator);\r
- }\r
- }\r
-\r
- protected Comparator getComparator(int column)\r
- {\r
- Class columnType = tableModel.getColumnClass(column);\r
- Comparator comparator = (Comparator) columnComparators.get(columnType);\r
- if (comparator != null)\r
- {\r
- return comparator;\r
- }\r
- if (Comparable.class.isAssignableFrom(columnType))\r
- {\r
- return COMPARABLE_COMAPRATOR;\r
- }\r
- return LEXICAL_COMPARATOR;\r
- }\r
-\r
- private Row[] getViewToModel()\r
- {\r
- if (viewToModel == null)\r
- {\r
- int tableModelRowCount = tableModel.getRowCount();\r
- viewToModel = new Row[tableModelRowCount];\r
- for (int row = 0; row < tableModelRowCount; row++)\r
- {\r
- viewToModel[row] = new Row(row);\r
- }\r
-\r
- if (isSorting())\r
- {\r
- Arrays.sort(viewToModel);\r
- }\r
- }\r
- return viewToModel;\r
- }\r
-\r
- public int modelIndex(int viewIndex)\r
- {\r
- return getViewToModel()[viewIndex].modelIndex;\r
- }\r
-\r
- private int[] getModelToView()\r
- {\r
- if (modelToView == null)\r
- {\r
- int n = getViewToModel().length;\r
- modelToView = new int[n];\r
- for (int i = 0; i < n; i++)\r
- {\r
- modelToView[modelIndex(i)] = i;\r
- }\r
- }\r
- return modelToView;\r
- }\r
-\r
- // TableModel interface methods\r
-\r
- public int getRowCount()\r
- {\r
- return (tableModel == null) ? 0 : tableModel.getRowCount();\r
- }\r
-\r
- public int getColumnCount()\r
- {\r
- return (tableModel == null) ? 0 : tableModel.getColumnCount();\r
- }\r
-\r
- public String getColumnName(int column)\r
- {\r
- return tableModel.getColumnName(column);\r
- }\r
-\r
- public Class getColumnClass(int column)\r
- {\r
- return tableModel.getColumnClass(column);\r
- }\r
-\r
- public boolean isCellEditable(int row, int column)\r
- {\r
- return tableModel.isCellEditable(modelIndex(row), column);\r
- }\r
-\r
- public Object getValueAt(int row, int column)\r
- {\r
- return tableModel.getValueAt(modelIndex(row), column);\r
- }\r
-\r
- public void setValueAt(Object aValue, int row, int column)\r
- {\r
- tableModel.setValueAt(aValue, modelIndex(row), column);\r
- }\r
-\r
- // Helper classes\r
-\r
- private class Row implements Comparable\r
- {\r
- private int modelIndex;\r
-\r
- public Row(int index)\r
- {\r
- this.modelIndex = index;\r
- }\r
-\r
- public int compareTo(Object o)\r
- {\r
- int row1 = modelIndex;\r
- int row2 = ((Row) o).modelIndex;\r
-\r
- for (Iterator it = sortingColumns.iterator(); it.hasNext();)\r
- {\r
- Directive directive = (Directive) it.next();\r
- int column = directive.column;\r
- Object o1 = tableModel.getValueAt(row1, column);\r
- Object o2 = tableModel.getValueAt(row2, column);\r
-\r
- int comparison = 0;\r
- // Define null less than everything, except null.\r
- if (o1 == null && o2 == null)\r
- {\r
- comparison = 0;\r
- }\r
- else if (o1 == null)\r
- {\r
- comparison = -1;\r
- }\r
- else if (o2 == null)\r
- {\r
- comparison = 1;\r
- }\r
- else\r
- {\r
- comparison = getComparator(column).compare(o1, o2);\r
- }\r
- if (comparison != 0)\r
- {\r
- return directive.direction == DESCENDING ? -comparison\r
- : comparison;\r
- }\r
- }\r
- return 0;\r
- }\r
- }\r
-\r
- private class TableModelHandler implements TableModelListener\r
- {\r
- public void tableChanged(TableModelEvent e)\r
- {\r
- // If we're not sorting by anything, just pass the event along.\r
- if (!isSorting())\r
- {\r
- clearSortingState();\r
- fireTableChanged(e);\r
- return;\r
- }\r
-\r
- // If the table structure has changed, cancel the sorting; the\r
- // sorting columns may have been either moved or deleted from\r
- // the model.\r
- if (e.getFirstRow() == TableModelEvent.HEADER_ROW)\r
- {\r
- cancelSorting();\r
- fireTableChanged(e);\r
- return;\r
- }\r
-\r
- // We can map a cell event through to the view without widening\r
- // when the following conditions apply:\r
- //\r
- // a) all the changes are on one row (e.getFirstRow() == e.getLastRow())\r
- // and,\r
- // b) all the changes are in one column (column !=\r
- // TableModelEvent.ALL_COLUMNS) and,\r
- // c) we are not sorting on that column (getSortingStatus(column) ==\r
- // NOT_SORTED) and,\r
- // d) a reverse lookup will not trigger a sort (modelToView != null)\r
- //\r
- // Note: INSERT and DELETE events fail this test as they have column ==\r
- // ALL_COLUMNS.\r
- //\r
- // The last check, for (modelToView != null) is to see if modelToView\r
- // is already allocated. If we don't do this check; sorting can become\r
- // a performance bottleneck for applications where cells\r
- // change rapidly in different parts of the table. If cells\r
- // change alternately in the sorting column and then outside of\r
- // it this class can end up re-sorting on alternate cell updates -\r
- // which can be a performance problem for large tables. The last\r
- // clause avoids this problem.\r
- int column = e.getColumn();\r
- if (e.getFirstRow() == e.getLastRow()\r
- && column != TableModelEvent.ALL_COLUMNS\r
- && getSortingStatus(column) == NOT_SORTED\r
- && modelToView != null)\r
- {\r
- int viewIndex = getModelToView()[e.getFirstRow()];\r
- fireTableChanged(new TableModelEvent(TableSorter.this, viewIndex,\r
- viewIndex, column, e.getType()));\r
- return;\r
- }\r
-\r
- // Something has happened to the data that may have invalidated the row\r
- // order.\r
- clearSortingState();\r
- fireTableDataChanged();\r
- return;\r
- }\r
- }\r
-\r
- private class MouseHandler extends MouseAdapter\r
- {\r
- public void mouseClicked(MouseEvent e)\r
- {\r
- JTableHeader h = (JTableHeader) e.getSource();\r
- TableColumnModel columnModel = h.getColumnModel();\r
- int viewColumn = columnModel.getColumnIndexAtX(e.getX());\r
- int column = columnModel.getColumn(viewColumn).getModelIndex();\r
- if (column != -1)\r
- {\r
- int status = getSortingStatus(column);\r
- if (!e.isControlDown())\r
- {\r
- cancelSorting();\r
- }\r
- // Cycle the sorting states through {NOT_SORTED, ASCENDING, DESCENDING}\r
- // or\r
- // {NOT_SORTED, DESCENDING, ASCENDING} depending on whether shift is\r
- // pressed.\r
- status = status + (e.isShiftDown() ? -1 : 1);\r
- status = (status + 4) % 3 - 1; // signed mod, returning {-1, 0, 1}\r
- setSortingStatus(column, status);\r
- }\r
- }\r
- }\r
-\r
- private static class Arrow implements Icon\r
- {\r
- private boolean descending;\r
-\r
- private int size;\r
-\r
- private int priority;\r
-\r
- public Arrow(boolean descending, int size, int priority)\r
- {\r
- this.descending = descending;\r
- this.size = size;\r
- this.priority = priority;\r
- }\r
-\r
- public void paintIcon(Component c, Graphics g, int x, int y)\r
- {\r
- Color color = c == null ? Color.GRAY : c.getBackground();\r
- // In a compound sort, make each succesive triangle 20%\r
- // smaller than the previous one.\r
- int dx = (int) (size / 2 * Math.pow(0.8, priority));\r
- int dy = descending ? dx : -dx;\r
- // Align icon (roughly) with font baseline.\r
- y = y + 5 * size / 6 + (descending ? -dy : 0);\r
- int shift = descending ? 1 : -1;\r
- g.translate(x, y);\r
-\r
- // Right diagonal.\r
- g.setColor(color.darker());\r
- g.drawLine(dx / 2, dy, 0, 0);\r
- g.drawLine(dx / 2, dy + shift, 0, shift);\r
-\r
- // Left diagonal.\r
- g.setColor(color.brighter());\r
- g.drawLine(dx / 2, dy, dx, 0);\r
- g.drawLine(dx / 2, dy + shift, dx, shift);\r
-\r
- // Horizontal line.\r
- if (descending)\r
- {\r
- g.setColor(color.darker().darker());\r
- }\r
- else\r
- {\r
- g.setColor(color.brighter().brighter());\r
- }\r
- g.drawLine(dx, 0, 0, 0);\r
-\r
- g.setColor(color);\r
- g.translate(-x, -y);\r
- }\r
-\r
- public int getIconWidth()\r
- {\r
- return size;\r
- }\r
-\r
- public int getIconHeight()\r
- {\r
- return size;\r
- }\r
- }\r
-\r
- private class SortableHeaderRenderer implements TableCellRenderer\r
- {\r
- private TableCellRenderer tableCellRenderer;\r
-\r
- public SortableHeaderRenderer(TableCellRenderer tableCellRenderer)\r
- {\r
- this.tableCellRenderer = tableCellRenderer;\r
- }\r
-\r
- public Component getTableCellRendererComponent(JTable table,\r
- Object value, boolean isSelected, boolean hasFocus, int row,\r
- int column)\r
- {\r
- Component c = tableCellRenderer.getTableCellRendererComponent(table,\r
- value, isSelected, hasFocus, row, column);\r
- if (c instanceof JLabel)\r
- {\r
- JLabel l = (JLabel) c;\r
- l.setHorizontalTextPosition(JLabel.LEFT);\r
- int modelColumn = table.convertColumnIndexToModel(column);\r
- l\r
- .setIcon(getHeaderRendererIcon(modelColumn, l.getFont()\r
- .getSize()));\r
- }\r
- return c;\r
- }\r
- }\r
-\r
- private static class Directive\r
- {\r
- private int column;\r
-\r
- private int direction;\r
-\r
- public Directive(int column, int direction)\r
- {\r
- this.column = column;\r
- this.direction = direction;\r
- }\r
- }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
+ * Copyright (C) 2015 The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.util;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.swing.Icon;
+import javax.swing.JLabel;
+import javax.swing.JTable;
+import javax.swing.event.TableModelEvent;
+import javax.swing.event.TableModelListener;
+import javax.swing.table.AbstractTableModel;
+import javax.swing.table.JTableHeader;
+import javax.swing.table.TableCellRenderer;
+import javax.swing.table.TableColumnModel;
+import javax.swing.table.TableModel;
+
+/**
+ * TableSorter is a decorator for TableModels; adding sorting functionality to a
+ * supplied TableModel. TableSorter does not store or copy the data in its
+ * TableModel; instead it maintains a map from the row indexes of the view to
+ * the row indexes of the model. As requests are made of the sorter (like
+ * getValueAt(row, col)) they are passed to the underlying model after the row
+ * numbers have been translated via the internal mapping array. This way, the
+ * TableSorter appears to hold another copy of the table with the rows in a
+ * different order.
+ * <p/>
+ * TableSorter registers itself as a listener to the underlying model, just as
+ * the JTable itself would. Events recieved from the model are examined,
+ * sometimes manipulated (typically widened), and then passed on to the
+ * TableSorter's listeners (typically the JTable). If a change to the model has
+ * invalidated the order of TableSorter's rows, a note of this is made and the
+ * sorter will resort the rows the next time a value is requested.
+ * <p/>
+ * When the tableHeader property is set, either by using the setTableHeader()
+ * method or the two argument constructor, the table header may be used as a
+ * complete UI for TableSorter. The default renderer of the tableHeader is
+ * decorated with a renderer that indicates the sorting status of each column.
+ * In addition, a mouse listener is installed with the following behavior:
+ * <ul>
+ * <li>Mouse-click: Clears the sorting status of all other columns and advances
+ * the sorting status of that column through three values: {NOT_SORTED,
+ * ASCENDING, DESCENDING} (then back to NOT_SORTED again).
+ * <li>SHIFT-mouse-click: Clears the sorting status of all other columns and
+ * cycles the sorting status of the column through the same three values, in the
+ * opposite order: {NOT_SORTED, DESCENDING, ASCENDING}.
+ * <li>CONTROL-mouse-click and CONTROL-SHIFT-mouse-click: as above except that
+ * the changes to the column do not cancel the statuses of columns that are
+ * already sorting - giving a way to initiate a compound sort.
+ * </ul>
+ * <p/>
+ * This is a long overdue rewrite of a class of the same name that first
+ * appeared in the swing table demos in 1997.
+ *
+ * @author Philip Milne
+ * @author Brendon McLean
+ * @author Dan van Enckevort
+ * @author Parwinder Sekhon
+ * @version 2.0 02/27/04
+ */
+
+public class TableSorter extends AbstractTableModel
+{
+ protected TableModel tableModel;
+
+ public static final int DESCENDING = -1;
+
+ public static final int NOT_SORTED = 0;
+
+ public static final int ASCENDING = 1;
+
+ private static Directive EMPTY_DIRECTIVE = new Directive(-1, NOT_SORTED);
+
+ public static final Comparator COMPARABLE_COMAPRATOR = new Comparator()
+ {
+ public int compare(Object o1, Object o2)
+ {
+ return ((Comparable) o1).compareTo(o2);
+ }
+ };
+
+ public static final Comparator LEXICAL_COMPARATOR = new Comparator()
+ {
+ public int compare(Object o1, Object o2)
+ {
+ return o1.toString().compareTo(o2.toString());
+ }
+ };
+
+ private Row[] viewToModel;
+
+ private int[] modelToView;
+
+ private JTableHeader tableHeader;
+
+ private MouseListener mouseListener;
+
+ private TableModelListener tableModelListener;
+
+ private Map columnComparators = new HashMap();
+
+ private List sortingColumns = new ArrayList();
+
+ public TableSorter()
+ {
+ this.mouseListener = new MouseHandler();
+ this.tableModelListener = new TableModelHandler();
+ }
+
+ public TableSorter(TableModel tableModel)
+ {
+ this();
+ setTableModel(tableModel);
+ }
+
+ public TableSorter(TableModel tableModel, JTableHeader tableHeader)
+ {
+ this();
+ setTableHeader(tableHeader);
+ setTableModel(tableModel);
+ }
+
+ private void clearSortingState()
+ {
+ viewToModel = null;
+ modelToView = null;
+ }
+
+ public TableModel getTableModel()
+ {
+ return tableModel;
+ }
+
+ public void setTableModel(TableModel tableModel)
+ {
+ if (this.tableModel != null)
+ {
+ this.tableModel.removeTableModelListener(tableModelListener);
+ }
+
+ this.tableModel = tableModel;
+ if (this.tableModel != null)
+ {
+ this.tableModel.addTableModelListener(tableModelListener);
+ }
+
+ clearSortingState();
+ fireTableStructureChanged();
+ }
+
+ public JTableHeader getTableHeader()
+ {
+ return tableHeader;
+ }
+
+ public void setTableHeader(JTableHeader tableHeader)
+ {
+ if (this.tableHeader != null)
+ {
+ this.tableHeader.removeMouseListener(mouseListener);
+ TableCellRenderer defaultRenderer = this.tableHeader
+ .getDefaultRenderer();
+ if (defaultRenderer instanceof SortableHeaderRenderer)
+ {
+ this.tableHeader
+ .setDefaultRenderer(((SortableHeaderRenderer) defaultRenderer).tableCellRenderer);
+ }
+ }
+ this.tableHeader = tableHeader;
+ if (this.tableHeader != null)
+ {
+ this.tableHeader.addMouseListener(mouseListener);
+ this.tableHeader.setDefaultRenderer(new SortableHeaderRenderer(
+ this.tableHeader.getDefaultRenderer()));
+ }
+ }
+
+ public boolean isSorting()
+ {
+ return sortingColumns.size() != 0;
+ }
+
+ private Directive getDirective(int column)
+ {
+ for (int i = 0; i < sortingColumns.size(); i++)
+ {
+ Directive directive = (Directive) sortingColumns.get(i);
+ if (directive.column == column)
+ {
+ return directive;
+ }
+ }
+ return EMPTY_DIRECTIVE;
+ }
+
+ public int getSortingStatus(int column)
+ {
+ return getDirective(column).direction;
+ }
+
+ private void sortingStatusChanged()
+ {
+ clearSortingState();
+ fireTableDataChanged();
+ if (tableHeader != null)
+ {
+ tableHeader.repaint();
+ }
+ }
+
+ public void setSortingStatus(int column, int status)
+ {
+ Directive directive = getDirective(column);
+ if (directive != EMPTY_DIRECTIVE)
+ {
+ sortingColumns.remove(directive);
+ }
+ if (status != NOT_SORTED)
+ {
+ sortingColumns.add(new Directive(column, status));
+ }
+ sortingStatusChanged();
+ }
+
+ protected Icon getHeaderRendererIcon(int column, int size)
+ {
+ Directive directive = getDirective(column);
+ if (directive == EMPTY_DIRECTIVE)
+ {
+ return null;
+ }
+ return new Arrow(directive.direction == DESCENDING, size,
+ sortingColumns.indexOf(directive));
+ }
+
+ private void cancelSorting()
+ {
+ sortingColumns.clear();
+ sortingStatusChanged();
+ }
+
+ public void setColumnComparator(Class type, Comparator comparator)
+ {
+ if (comparator == null)
+ {
+ columnComparators.remove(type);
+ }
+ else
+ {
+ columnComparators.put(type, comparator);
+ }
+ }
+
+ protected Comparator getComparator(int column)
+ {
+ Class columnType = tableModel.getColumnClass(column);
+ Comparator comparator = (Comparator) columnComparators.get(columnType);
+ if (comparator != null)
+ {
+ return comparator;
+ }
+ if (Comparable.class.isAssignableFrom(columnType))
+ {
+ return COMPARABLE_COMAPRATOR;
+ }
+ return LEXICAL_COMPARATOR;
+ }
+
+ private Row[] getViewToModel()
+ {
+ if (viewToModel == null)
+ {
+ int tableModelRowCount = tableModel.getRowCount();
+ viewToModel = new Row[tableModelRowCount];
+ for (int row = 0; row < tableModelRowCount; row++)
+ {
+ viewToModel[row] = new Row(row);
+ }
+
+ if (isSorting())
+ {
+ Arrays.sort(viewToModel);
+ }
+ }
+ return viewToModel;
+ }
+
+ public int modelIndex(int viewIndex)
+ {
+ return getViewToModel()[viewIndex].modelIndex;
+ }
+
+ private int[] getModelToView()
+ {
+ if (modelToView == null)
+ {
+ int n = getViewToModel().length;
+ modelToView = new int[n];
+ for (int i = 0; i < n; i++)
+ {
+ modelToView[modelIndex(i)] = i;
+ }
+ }
+ return modelToView;
+ }
+
+ // TableModel interface methods
+
+ public int getRowCount()
+ {
+ return (tableModel == null) ? 0 : tableModel.getRowCount();
+ }
+
+ public int getColumnCount()
+ {
+ return (tableModel == null) ? 0 : tableModel.getColumnCount();
+ }
+
+ public String getColumnName(int column)
+ {
+ return tableModel.getColumnName(column);
+ }
+
+ public Class getColumnClass(int column)
+ {
+ return tableModel.getColumnClass(column);
+ }
+
+ public boolean isCellEditable(int row, int column)
+ {
+ return tableModel.isCellEditable(modelIndex(row), column);
+ }
+
+ public Object getValueAt(int row, int column)
+ {
+ return tableModel.getValueAt(modelIndex(row), column);
+ }
+
+ public void setValueAt(Object aValue, int row, int column)
+ {
+ tableModel.setValueAt(aValue, modelIndex(row), column);
+ }
+
+ // Helper classes
+
+ private class Row implements Comparable
+ {
+ private int modelIndex;
+
+ public Row(int index)
+ {
+ this.modelIndex = index;
+ }
+
+ public int compareTo(Object o)
+ {
+ int row1 = modelIndex;
+ int row2 = ((Row) o).modelIndex;
+
+ for (Iterator it = sortingColumns.iterator(); it.hasNext();)
+ {
+ Directive directive = (Directive) it.next();
+ int column = directive.column;
+ Object o1 = tableModel.getValueAt(row1, column);
+ Object o2 = tableModel.getValueAt(row2, column);
+
+ int comparison = 0;
+ // Define null less than everything, except null.
+ if (o1 == null && o2 == null)
+ {
+ comparison = 0;
+ }
+ else if (o1 == null)
+ {
+ comparison = -1;
+ }
+ else if (o2 == null)
+ {
+ comparison = 1;
+ }
+ else
+ {
+ comparison = getComparator(column).compare(o1, o2);
+ }
+ if (comparison != 0)
+ {
+ return directive.direction == DESCENDING ? -comparison
+ : comparison;
+ }
+ }
+ return 0;
+ }
+ }
+
+ private class TableModelHandler implements TableModelListener
+ {
+ public void tableChanged(TableModelEvent e)
+ {
+ // If we're not sorting by anything, just pass the event along.
+ if (!isSorting())
+ {
+ clearSortingState();
+ fireTableChanged(e);
+ return;
+ }
+
+ // If the table structure has changed, cancel the sorting; the
+ // sorting columns may have been either moved or deleted from
+ // the model.
+ if (e.getFirstRow() == TableModelEvent.HEADER_ROW)
+ {
+ cancelSorting();
+ fireTableChanged(e);
+ return;
+ }
+
+ // We can map a cell event through to the view without widening
+ // when the following conditions apply:
+ //
+ // a) all the changes are on one row (e.getFirstRow() == e.getLastRow())
+ // and,
+ // b) all the changes are in one column (column !=
+ // TableModelEvent.ALL_COLUMNS) and,
+ // c) we are not sorting on that column (getSortingStatus(column) ==
+ // NOT_SORTED) and,
+ // d) a reverse lookup will not trigger a sort (modelToView != null)
+ //
+ // Note: INSERT and DELETE events fail this test as they have column ==
+ // ALL_COLUMNS.
+ //
+ // The last check, for (modelToView != null) is to see if modelToView
+ // is already allocated. If we don't do this check; sorting can become
+ // a performance bottleneck for applications where cells
+ // change rapidly in different parts of the table. If cells
+ // change alternately in the sorting column and then outside of
+ // it this class can end up re-sorting on alternate cell updates -
+ // which can be a performance problem for large tables. The last
+ // clause avoids this problem.
+ int column = e.getColumn();
+ if (e.getFirstRow() == e.getLastRow()
+ && column != TableModelEvent.ALL_COLUMNS
+ && getSortingStatus(column) == NOT_SORTED
+ && modelToView != null)
+ {
+ int viewIndex = getModelToView()[e.getFirstRow()];
+ fireTableChanged(new TableModelEvent(TableSorter.this, viewIndex,
+ viewIndex, column, e.getType()));
+ return;
+ }
+
+ // Something has happened to the data that may have invalidated the row
+ // order.
+ clearSortingState();
+ fireTableDataChanged();
+ return;
+ }
+ }
+
+ private class MouseHandler extends MouseAdapter
+ {
+ public void mouseClicked(MouseEvent e)
+ {
+ JTableHeader h = (JTableHeader) e.getSource();
+ TableColumnModel columnModel = h.getColumnModel();
+ int viewColumn = columnModel.getColumnIndexAtX(e.getX());
+ int column = columnModel.getColumn(viewColumn).getModelIndex();
+ if (column != -1)
+ {
+ int status = getSortingStatus(column);
+ if (!e.isControlDown())
+ {
+ cancelSorting();
+ }
+ // Cycle the sorting states through {NOT_SORTED, ASCENDING, DESCENDING}
+ // or
+ // {NOT_SORTED, DESCENDING, ASCENDING} depending on whether shift is
+ // pressed.
+ status = status + (e.isShiftDown() ? -1 : 1);
+ status = (status + 4) % 3 - 1; // signed mod, returning {-1, 0, 1}
+ setSortingStatus(column, status);
+ }
+ }
+ }
+
+ private static class Arrow implements Icon
+ {
+ private boolean descending;
+
+ private int size;
+
+ private int priority;
+
+ public Arrow(boolean descending, int size, int priority)
+ {
+ this.descending = descending;
+ this.size = size;
+ this.priority = priority;
+ }
+
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ Color color = c == null ? Color.GRAY : c.getBackground();
+ // In a compound sort, make each succesive triangle 20%
+ // smaller than the previous one.
+ int dx = (int) (size / 2 * Math.pow(0.8, priority));
+ int dy = descending ? dx : -dx;
+ // Align icon (roughly) with font baseline.
+ y = y + 5 * size / 6 + (descending ? -dy : 0);
+ int shift = descending ? 1 : -1;
+ g.translate(x, y);
+
+ // Right diagonal.
+ g.setColor(color.darker());
+ g.drawLine(dx / 2, dy, 0, 0);
+ g.drawLine(dx / 2, dy + shift, 0, shift);
+
+ // Left diagonal.
+ g.setColor(color.brighter());
+ g.drawLine(dx / 2, dy, dx, 0);
+ g.drawLine(dx / 2, dy + shift, dx, shift);
+
+ // Horizontal line.
+ if (descending)
+ {
+ g.setColor(color.darker().darker());
+ }
+ else
+ {
+ g.setColor(color.brighter().brighter());
+ }
+ g.drawLine(dx, 0, 0, 0);
+
+ g.setColor(color);
+ g.translate(-x, -y);
+ }
+
+ public int getIconWidth()
+ {
+ return size;
+ }
+
+ public int getIconHeight()
+ {
+ return size;
+ }
+ }
+
+ private class SortableHeaderRenderer implements TableCellRenderer
+ {
+ private TableCellRenderer tableCellRenderer;
+
+ public SortableHeaderRenderer(TableCellRenderer tableCellRenderer)
+ {
+ this.tableCellRenderer = tableCellRenderer;
+ }
+
+ public Component getTableCellRendererComponent(JTable table,
+ Object value, boolean isSelected, boolean hasFocus, int row,
+ int column)
+ {
+ Component c = tableCellRenderer.getTableCellRendererComponent(table,
+ value, isSelected, hasFocus, row, column);
+ if (c instanceof JLabel)
+ {
+ JLabel l = (JLabel) c;
+ l.setHorizontalTextPosition(JLabel.LEFT);
+ int modelColumn = table.convertColumnIndexToModel(column);
+ l.setIcon(getHeaderRendererIcon(modelColumn, l.getFont().getSize()));
+ }
+ return c;
+ }
+ }
+
+ private static class Directive
+ {
+ private int column;
+
+ private int direction;
+
+ public Directive(int column, int direction)
+ {
+ this.column = column;
+ this.direction = direction;
+ }
+ }
+}
git://source.jalview.org / jalview.git / blobdiff