/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: LibraryPalette.java
*
* Copyright (c) 2003 Sun Microsystems and Static Free Software
*
* Electric(tm) 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.
*
* Electric(tm) 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 Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.user.ui;
import com.sun.electric.database.change.DatabaseChangeEvent;
import com.sun.electric.database.change.DatabaseChangeListener;
import com.sun.electric.database.hierarchy.Cell;
import com.sun.electric.database.hierarchy.Library;
import com.sun.electric.tool.user.CircuitChanges;
import com.sun.electric.tool.user.UserInterfaceMain;
import com.sun.electric.tool.user.menus.CellMenu;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JList;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
/**
* This JPanel is a palette of library cells that can be placed in the
* PaletteFrame.
*/
public class LibraryPalette extends JPanel implements DatabaseChangeListener, MouseListener,
PaletteFrame.PlaceNodeEventListener {
private Library library;
private JScrollPane scrollPane;
private JList cellJList;
private Map<Library,Rectangle> viewPortMap; // key: library. Object: Integer
private JPopupMenu cellPopup;
private PaletteFrame.PlaceNodeListener lastPlaceNodeListener = null;
/**
* The palette panel. This constructor is never used, use the Factory Method
* newInstance instead.
*/
public LibraryPalette(Dimension preferredSize) {
library = null;
viewPortMap = new HashMap<Library,Rectangle>();
initComponents(preferredSize);
UserInterfaceMain.addDatabaseChangeListener(this);
}
/**
* Set the library whose cells will be displayed in the palette
*/
public void setLibrary(Library lib) {
if (library != lib) {
// record old view port point
viewPortMap.put(library, cellJList.getVisibleRect());
}
library = lib;
updateCellList();
}
/**
* Initialize components
*/
private void initComponents(Dimension preferredSize) {
scrollPane = new JScrollPane();
cellJList = new JList();
cellJList.setCellRenderer(new CustomCellRenderer());
cellJList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
cellJList.addMouseListener(this);
scrollPane.setViewportView(cellJList);
scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
scrollPane.setPreferredSize(preferredSize);
setLayout(new java.awt.BorderLayout());
add(scrollPane, BorderLayout.CENTER);
updateCellList();
}
private void updateCellList() {
if (library == null) {
cellJList.setListData(new Object[0]);
return;
}
List<Cell> cellList = new ArrayList<Cell>();
for (Iterator<Cell> it = library.getCells(); it.hasNext(); ) {
cellList.add(it.next());
}
cellJList.setListData(cellList.toArray());
Rectangle rect = viewPortMap.get(library);
if (rect != null) {
cellJList.scrollRectToVisible(rect);
}
}
// public void databaseChanged(Undo.Change evt) {}
// public boolean isGUIListener() { return true; }
// public void databaseEndChangeBatch(Undo.ChangeBatch batch) {
// updateCellList();
// }
public void databaseChanged(DatabaseChangeEvent e) {
updateCellList();
}
public void mouseClicked(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mousePressed(MouseEvent e) {
if (e.isShiftDown() || e.isControlDown() || e.isAltDown()) return;
if (e.isMetaDown()) {
// right click: popup menu at location
initCellPopup();
int index = cellJList.locationToIndex(new Point(e.getX(), e.getY()));
Object selected = cellJList.getModel().getElementAt(index);
if (selected == null) return;
cellJList.setSelectedValue(selected, false);
cellPopup.show(this, e.getX(), e.getY());
} else {
Object selected = cellJList.getSelectedValue();
if (selected == null) return;
Cell cell = (Cell)selected;
if (e.getClickCount() == 2) {
// edit cell at location
selectedCellEdit();
// cancel any placing of cells (double click is always preceeded with single click)
if (lastPlaceNodeListener != null) {
lastPlaceNodeListener.finished(EditWindow.getCurrent(), true);
}
} else {
// single click
// place cell at location
// ignore schematics for now
if (cell.isSchematic()) return;
lastPlaceNodeListener = PaletteFrame.placeInstance(cell, this, false);
}
}
}
public void placeNodeStarted(Object nodeToBePlaced) {
}
public void placeNodeFinished(boolean cancelled) {
cellJList.clearSelection();
lastPlaceNodeListener = null;
}
private void initCellPopup() {
if (cellPopup != null) return;
cellPopup = new JPopupMenu();
JMenuItem m;
// edit / duplicate / rename / delete
m = new JMenuItem("Edit");
m.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { selectedCellEdit(); }
});
cellPopup.add(m);
m = new JMenuItem("Duplicate");
m.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { selectedCellDuplicate(); }
});
cellPopup.add(m);
m = new JMenuItem("Rename");
m.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { selectedCellRename(); }
});
cellPopup.add(m);
m = new JMenuItem("Delete");
m.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { selectedCellDelete(); }
});
cellPopup.add(m);
}
private void selectedCellEdit() {
Cell cell = (Cell)cellJList.getSelectedValue();
if (cell == null) return;
WindowFrame wf = WindowFrame.getCurrentWindowFrame();
if (wf == null) {
WindowFrame.createEditWindow(cell);
} else {
wf.setCellWindow(cell, null);
}
cellJList.clearSelection();
}
private void selectedCellDuplicate() {
Cell cell = (Cell)cellJList.getSelectedValue();
if (cell == null) return;
new CellMenu.NewCellName(false, cell);
cellJList.clearSelection();
}
private void selectedCellRename() {
Cell cell = (Cell)cellJList.getSelectedValue();
if (cell == null) return;
String newName = JOptionPane.showInputDialog(this, "New name for cell "+cell.getName(),
cell.getName() + "NEW");
if (newName == null) return;
CircuitChanges.renameCellInJob(cell, newName);
cellJList.clearSelection();
}
private void selectedCellDelete() {
Cell cell = (Cell)cellJList.getSelectedValue();
if (cell == null) return;
CircuitChanges.deleteCell(cell, true, false);
cellJList.clearSelection();
}
// -------------------------------------------------------------------
class CustomCellRenderer extends DefaultListCellRenderer {
/* This is the only method defined by ListCellRenderer. We just
* reconfigure the Jlabel each time we're called.
*/
public Component getListCellRendererComponent(
JList list,
Object value, // value to display
int index, // cell index
boolean iss, // is the cell selected
boolean chf) // the list and the cell have the focus
{
/* The DefaultListCellRenderer class will take care of
* the JLabels text property, it's foreground and background
* colors, and so on.
*/
Cell cell = (Cell)value;
super.getListCellRendererComponent(list, cell.noLibDescribe(), index, iss, chf);
return this;
}
}
}