- return viewToModel;\r
- }\r
-\r
- public int modelIndex(int viewIndex) {\r
- return getViewToModel()[viewIndex].modelIndex;\r
- }\r
-\r
- private int[] getModelToView() {\r
- if (modelToView == null) {\r
- int n = getViewToModel().length;\r
- modelToView = new int[n];\r
- for (int i = 0; i < n; i++) {\r
- modelToView[modelIndex(i)] = i;\r
- }\r
- }\r
- return modelToView;\r
- }\r
-\r
- // TableModel interface methods\r
-\r
- public int getRowCount() {\r
- return (tableModel == null) ? 0 : tableModel.getRowCount();\r
- }\r
-\r
- public int getColumnCount() {\r
- return (tableModel == null) ? 0 : tableModel.getColumnCount();\r
- }\r
-\r
- public String getColumnName(int column) {\r
- return tableModel.getColumnName(column);\r
- }\r
-\r
- public Class getColumnClass(int column) {\r
- return tableModel.getColumnClass(column);\r
- }\r
-\r
- public boolean isCellEditable(int row, int column) {\r
- return tableModel.isCellEditable(modelIndex(row), column);\r
- }\r
-\r
- public Object getValueAt(int row, int column) {\r
- return tableModel.getValueAt(modelIndex(row), column);\r
- }\r
-\r
- public void setValueAt(Object aValue, int row, int column) {\r
- tableModel.setValueAt(aValue, modelIndex(row), column);\r
- }\r
-\r
- // Helper classes\r
-\r
- private class Row implements Comparable {\r
- private int modelIndex;\r
-\r
- public Row(int index) {\r
- this.modelIndex = index;\r
- }\r
-\r
- public int compareTo(Object o) {\r
- int row1 = modelIndex;\r
- int row2 = ((Row) o).modelIndex;\r
-\r
- for (Iterator it = sortingColumns.iterator(); it.hasNext();) {\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
- comparison = 0;\r
- } else if (o1 == null) {\r
- comparison = -1;\r
- } else if (o2 == null) {\r
- comparison = 1;\r
- } else {\r
- comparison = getComparator(column).compare(o1, o2);\r
- }\r
- if (comparison != 0) {\r
- return directive.direction == DESCENDING ? -comparison : comparison;\r
- }\r
- }\r
- return 0;\r
- }\r
- }\r
-\r
- private class TableModelHandler implements TableModelListener {\r
- public void tableChanged(TableModelEvent e) {\r
- // If we're not sorting by anything, just pass the event along.\r
- if (!isSorting()) {\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
- 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()) and,\r
- // b) all the changes are in one column (column != TableModelEvent.ALL_COLUMNS) and,\r
- // c) we are not sorting on that column (getSortingStatus(column) == 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 == 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
- int viewIndex = getModelToView()[e.getFirstRow()];\r
- fireTableChanged(new TableModelEvent(TableSorter.this,\r
- viewIndex, viewIndex,\r
- column, e.getType()));\r
- return;\r
- }\r
-\r
- // Something has happened to the data that may have invalidated the row order.\r
- clearSortingState();\r
- fireTableDataChanged();\r
- return;\r
- }\r
- }\r
-\r
- private class MouseHandler extends MouseAdapter {\r
- public void mouseClicked(MouseEvent e) {\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
- int status = getSortingStatus(column);\r
- if (!e.isControlDown()) {\r
- cancelSorting();\r
- }\r
- // Cycle the sorting states through {NOT_SORTED, ASCENDING, DESCENDING} or\r
- // {NOT_SORTED, DESCENDING, ASCENDING} depending on whether shift is 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
- private boolean descending;\r
- private int size;\r
- private int priority;\r
-\r
- public Arrow(boolean descending, int size, int priority) {\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
- 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
- g.setColor(color.darker().darker());\r
- } else {\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
- return size;\r
- }\r
-\r
- public int getIconHeight() {\r
- return size;\r
- }\r
- }\r
-\r
- private class SortableHeaderRenderer implements TableCellRenderer {\r
- private TableCellRenderer tableCellRenderer;\r
-\r
- public SortableHeaderRenderer(TableCellRenderer tableCellRenderer) {\r
- this.tableCellRenderer = tableCellRenderer;\r
- }\r
-\r
- public Component getTableCellRendererComponent(JTable table,\r
- Object value,\r
- boolean isSelected,\r
- boolean hasFocus,\r
- int row,\r
- int column) {\r
- Component c = tableCellRenderer.getTableCellRendererComponent(table,\r
- value, isSelected, hasFocus, row, column);\r
- if (c instanceof JLabel) {\r
- JLabel l = (JLabel) c;\r
- l.setHorizontalTextPosition(JLabel.LEFT);\r
- int modelColumn = table.convertColumnIndexToModel(column);\r
- l.setIcon(getHeaderRendererIcon(modelColumn, l.getFont().getSize()));\r
- }\r
- return c;\r
- }\r
- }\r
-\r
- private static class Directive {\r
- private int column;\r
- private int direction;\r
-\r
- public Directive(int column, int direction) {\r
- this.column = column;\r
- this.direction = direction;\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