| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.ui; |
| |
| import com.intellij.openapi.util.Pair; |
| |
| import javax.swing.*; |
| import javax.swing.event.ListSelectionEvent; |
| import javax.swing.event.ListSelectionListener; |
| import javax.swing.event.TableModelEvent; |
| import javax.swing.event.TableModelListener; |
| import javax.swing.table.TableColumnModel; |
| import javax.swing.table.TableModel; |
| import java.awt.*; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| |
| public class TableExpandableItemsHandler extends AbstractExpandableItemsHandler<TableCell, JTable> { |
| protected TableExpandableItemsHandler(final JTable table) { |
| super(table); |
| |
| final ListSelectionListener selectionListener = new ListSelectionListener() { |
| @Override |
| public void valueChanged(ListSelectionEvent e) { |
| if (e.getValueIsAdjusting()) return; |
| updateSelection(table); |
| } |
| }; |
| table.getSelectionModel().addListSelectionListener(selectionListener); |
| table.getColumnModel().getSelectionModel().addListSelectionListener(selectionListener); |
| |
| table.addPropertyChangeListener("selectionModel", new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| if (evt.getOldValue() != null) { |
| ((ListSelectionModel)evt.getOldValue()).removeListSelectionListener(selectionListener); |
| } |
| if (evt.getNewValue() != null) { |
| ((ListSelectionModel)evt.getNewValue()).addListSelectionListener(selectionListener); |
| } |
| } |
| }); |
| table.addPropertyChangeListener("columnModel", new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| if (evt.getOldValue() != null) { |
| ((TableColumnModel)evt.getOldValue()).getSelectionModel().removeListSelectionListener(selectionListener); |
| } |
| if (evt.getNewValue() != null) { |
| ((TableColumnModel)evt.getNewValue()).getSelectionModel().addListSelectionListener(selectionListener); |
| } |
| } |
| }); |
| |
| final TableModelListener modelListener = new TableModelListener() { |
| @Override |
| public void tableChanged(final TableModelEvent e) { |
| // This method may be called from TableModelListener (before selection model update) |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4730055 |
| SwingUtilities.invokeLater(new Runnable() { |
| @Override |
| public void run() { |
| updateSelection(table); |
| } |
| }); |
| } |
| }; |
| |
| if (table.getModel() != null) table.getModel().addTableModelListener(modelListener); |
| table.addPropertyChangeListener("model", new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| updateSelection(table); |
| |
| if (evt.getOldValue() != null) { |
| ((TableModel)evt.getOldValue()).removeTableModelListener(modelListener); |
| } |
| if (evt.getNewValue() != null) { |
| ((TableModel)evt.getNewValue()).addTableModelListener(modelListener); |
| } |
| } |
| }); |
| } |
| |
| private void updateSelection(JTable table) { |
| int row = table.getSelectedRowCount() == 1 ? table.getSelectedRow() : -1; |
| int column = table.getSelectedColumnCount() == 1 ? table.getSelectedColumn() : -1; |
| handleSelectionChange((row == -1 || column == -1) ? null : new TableCell(row, column)); |
| } |
| |
| private Rectangle getCellRect(TableCell tableCellKey) { |
| return myComponent.getCellRect(tableCellKey.row, tableCellKey.column, false); |
| } |
| |
| public Pair<Component, Rectangle> getCellRendererAndBounds(TableCell key) { |
| Rectangle cellRect = getCellRect(key); |
| |
| int modelColumnIndex = myComponent.convertColumnIndexToModel(key.column); |
| final int modelRowIndex = myComponent.convertRowIndexToModel(key.row); |
| TableModel model = myComponent.getModel(); |
| if (key.row < 0 || key.row >= model.getRowCount() || key.column < 0 || key.column >= model.getColumnCount()) { |
| return null; |
| } |
| |
| Component renderer = myComponent |
| .getCellRenderer(key.row, key.column) |
| .getTableCellRendererComponent(myComponent, |
| model.getValueAt(modelRowIndex, modelColumnIndex), |
| myComponent.getSelectionModel().isSelectedIndex(key.row), |
| myComponent.hasFocus(), |
| key.row, key.column); |
| cellRect.width = renderer.getPreferredSize().width; |
| |
| return Pair.create(renderer, cellRect); |
| } |
| |
| public Rectangle getVisibleRect(TableCell key) { |
| Rectangle columnVisibleRect = myComponent.getVisibleRect(); |
| Rectangle cellRect = getCellRect(key); |
| int visibleRight = Math.min(columnVisibleRect.x + columnVisibleRect.width, cellRect.x + cellRect.width); |
| columnVisibleRect.x = Math.min(columnVisibleRect.x, cellRect.x); |
| columnVisibleRect.width = Math.max(0, visibleRight - columnVisibleRect.x); |
| return columnVisibleRect; |
| } |
| |
| public TableCell getCellKeyForPoint(Point point) { |
| int rowIndex = myComponent.rowAtPoint(point); |
| if (rowIndex == -1) { |
| return null; |
| } |
| |
| int columnIndex = myComponent.columnAtPoint(point); // column index in visible coordinates |
| if (columnIndex == -1) { |
| return null; |
| } |
| |
| return new TableCell(rowIndex, columnIndex); |
| } |
| } |