| /* |
| * 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 org.apache.log4j.chainsaw.components.elements.sorttable; |
| |
| import java.awt.Color; |
| import java.awt.event.InputEvent; |
| import java.awt.event.MouseEvent; |
| import java.awt.event.MouseListener; |
| import javax.swing.JTable; |
| import javax.swing.table.JTableHeader; |
| import javax.swing.table.TableColumnModel; |
| import org.apache.log4j.chainsaw.ChainsawColumns; |
| import org.apache.log4j.chainsaw.SortTableModel; |
| import org.apache.log4j.chainsaw.helper.SwingHelper; |
| |
| /** |
| * A Sortable JTable implementation that allows a user to click on a |
| * specific Column and have the row information sorted by that column. |
| * |
| * @author Claude Duguay |
| * @author Scott Deboy <sdeboy@apache.org> |
| */ |
| public class JSortTable extends JTable implements MouseListener { |
| protected int sortedColumnIndex = -1; |
| protected boolean sortedColumnAscending = true; |
| private String sortedColumn; |
| private int lastSelectedColumn = -1; |
| |
| public JSortTable(SortTableModel model) { |
| super(model); |
| initSortHeader(); |
| } |
| |
| public void changeSelection(int rowIndex, int columnIndex, boolean toggle, boolean extend) { |
| // selection of the msg field causes rendering to flash...skip over it |
| int colToSelect = columnIndex; |
| // CHAINSAW columns are 1-based indexes |
| if (columnIndex + 1 == ChainsawColumns.INDEX_MESSAGE_COL_NAME) { |
| colToSelect = lastSelectedColumn < columnIndex ? columnIndex + 1 : columnIndex - 1; |
| super.changeSelection(rowIndex, colToSelect, toggle, extend); |
| } else { |
| super.changeSelection(rowIndex, columnIndex, toggle, extend); |
| } |
| lastSelectedColumn = colToSelect; |
| } |
| |
| protected void initSortHeader() { |
| JTableHeader header = getTableHeader(); |
| header.setBackground(Color.WHITE); |
| header.setDefaultRenderer(new SortHeaderRenderer()); |
| header.addMouseListener(this); |
| } |
| |
| public int getSortedColumnIndex() { |
| return sortedColumnIndex; |
| } |
| |
| public void updateSortedColumn() { |
| if (sortedColumn != null) { |
| try { |
| sortedColumnIndex = columnModel.getColumnIndex(sortedColumn); |
| getTableHeader().resizeAndRepaint(); |
| } catch (IllegalArgumentException ie) { // nothing...column is not in the model |
| setSortedColumnIndex(-1); |
| } |
| } |
| } |
| |
| public void setSortedColumnIndex(int index) { |
| sortedColumnIndex = index; |
| if (sortedColumnIndex > -1) { |
| SortTableModel model = (SortTableModel) getModel(); |
| model.sortColumn(sortedColumnIndex, sortedColumnAscending); |
| } |
| getTableHeader().resizeAndRepaint(); |
| } |
| |
| // Allow synchronous updates if already on the EDT |
| private void scrollTo(final int row, final int col) { |
| SwingHelper.invokeOnEDT(() -> { |
| final int currentRow = getSelectedRow(); |
| if ((row > -1) && (row < getRowCount())) { |
| try { |
| // get the requested row off of the bottom and top of the screen by making the 5 rows around the |
| // requested row visible |
| // if new past current row, scroll to display the 20th row past new selected row |
| scrollRectToVisible(getCellRect(row, col, true)); |
| if (row > currentRow) { |
| scrollRectToVisible(getCellRect(row + 5, col, true)); |
| } |
| if (row < currentRow) { |
| scrollRectToVisible(getCellRect(row - 5, col, true)); |
| } |
| scrollRectToVisible(getCellRect(row, col, true)); |
| setRowSelectionInterval(row, row); |
| } catch (IllegalArgumentException iae) { |
| // ignore..out of bounds |
| } |
| } |
| }); |
| } |
| |
| public void scrollToRow(int row) { |
| scrollTo(row, columnAtPoint(getVisibleRect().getLocation())); |
| } |
| |
| public boolean isSortedColumnAscending() { |
| return sortedColumnAscending; |
| } |
| |
| public void mouseClicked(MouseEvent event) { |
| |
| if (event.getClickCount() < 2 || event.isPopupTrigger()) { |
| return; |
| } else if (event.getClickCount() > 1 && ((event.getModifiers() & InputEvent.BUTTON2_MASK) > 0)) { |
| return; |
| } |
| |
| TableColumnModel colModel = getColumnModel(); |
| int index = colModel.getColumnIndexAtX(event.getX()); |
| int modelIndex = colModel.getColumn(index).getModelIndex(); |
| SortTableModel model = (SortTableModel) getModel(); |
| |
| if (model.isSortable(modelIndex)) { |
| // toggle ascension, if already sorted |
| if (sortedColumnIndex == index) { |
| sortedColumnAscending = !sortedColumnAscending; |
| } |
| |
| sortedColumnIndex = index; |
| sortedColumn = colModel.getColumn(index).getHeaderValue().toString(); |
| model.sortColumn(modelIndex, sortedColumnAscending); |
| getTableHeader().resizeAndRepaint(); |
| } |
| } |
| |
| public void mousePressed(MouseEvent event) {} |
| |
| public void mouseReleased(MouseEvent event) {} |
| |
| public void mouseEntered(MouseEvent event) {} |
| |
| public void mouseExited(MouseEvent event) {} |
| } |