/* Copyright (c) 2011, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.gui.generic;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Window;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.FocusListener;
import java.awt.event.FocusEvent;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JPanel;
import javax.swing.JComboBox;
import javax.swing.SwingConstants;
import javax.swing.event.CellEditorListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableModel;
import com.cburch.logisim.util.JDialogOk;
import com.cburch.logisim.util.JInputComponent;
import com.cburch.logisim.util.LocaleListener;
import com.cburch.logisim.util.LocaleManager;
import java.util.ArrayList;
import java.util.EventObject;
import java.util.LinkedList;
import static com.cburch.logisim.util.LocaleString.*;
@SuppressWarnings("serial")
public class AttrTable extends JPanel implements LocaleListener {
private static final AttrTableModel NULL_ATTR_MODEL = new NullAttrModel();
private static class NullAttrModel implements AttrTableModel {
@Override
public void addAttrTableModelListener(AttrTableModelListener listener) { }
@Override
public void removeAttrTableModelListener(AttrTableModelListener listener) { }
@Override
public String getTitle() { return null; }
@Override
public int getRowCount() { return 0; }
@Override
public AttrTableModelRow getRow(int rowIndex) { return null; }
}
private static class TitleLabel extends JLabel {
@Override
public Dimension getMinimumSize() {
Dimension ret = super.getMinimumSize();
return new Dimension(1, ret.height);
}
}
private static class MyDialog extends JDialogOk {
JInputComponent input;
Object value;
public MyDialog(Dialog parent, JInputComponent input) {
super(parent, getFromLocale("attributeDialogTitle"), true);
configure(input);
}
public MyDialog(Frame parent, JInputComponent input) {
super(parent, getFromLocale("attributeDialogTitle"), true);
configure(input);
}
private void configure(JInputComponent input) {
this.input = input;
this.value = input.getValue();
// Thanks to Christophe Jacquet, who contributed a fix to this
// so that when the dialog is resized, the component within it
// is resized as well. (Tracker #2024479)
JPanel p = new JPanel(new BorderLayout());
p.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
p.add((JComponent) input, BorderLayout.CENTER);
getContentPane().add(p, BorderLayout.CENTER);
pack();
}
@Override
public void okClicked() {
value = input.getValue();
}
public Object getValue() {
return value;
}
}
private class TableModelAdapter
implements TableModel, AttrTableModelListener {
Window parent;
LinkedList<TableModelListener> listeners;
AttrTableModel attrModel;
TableModelAdapter(Window parent, AttrTableModel attrModel) {
this.parent = parent;
this.listeners = new LinkedList<TableModelListener>();
this.attrModel = attrModel;
}
void setAttrTableModel(AttrTableModel value) {
if (attrModel != value) {
TableCellEditor editor = table.getCellEditor();
if (editor != null) {
editor.cancelCellEditing();
}
attrModel.removeAttrTableModelListener(this);
attrModel = value;
attrModel.addAttrTableModelListener(this);
fireTableChanged();
}
}
@Override
public void addTableModelListener(TableModelListener l) {
listeners.add(l);
}
@Override
public void removeTableModelListener(TableModelListener l) {
listeners.remove(l);
}
void fireTableChanged() {
TableModelEvent e = new TableModelEvent(this);
for (TableModelListener l : new ArrayList<TableModelListener>(listeners)) {
l.tableChanged(e);
}
}
@Override
public int getColumnCount() {
return 2;
}
@Override
public String getColumnName(int columnIndex) {
if (columnIndex == 0) {
return "Attribute";
}
else {
return "Value";
}
}
@Override
public Class<?> getColumnClass(int columnIndex) {
return String.class;
}
@Override
public int getRowCount() {
return attrModel.getRowCount();
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
if (columnIndex == 0) {
return attrModel.getRow(rowIndex).getLabel();
} else {
return attrModel.getRow(rowIndex).getValue();
}
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columnIndex > 0 && attrModel.getRow(rowIndex).isValueEditable();
}
@Override
public void setValueAt(Object value, int rowIndex,
int columnIndex) {
if (columnIndex > 0) {
try {
attrModel.getRow(rowIndex).setValue(value);
} catch (AttrTableSetException e) {
JOptionPane.showMessageDialog(parent, e.getMessage(),
getFromLocale("attributeChangeInvalidTitle"),
JOptionPane.WARNING_MESSAGE);
}
}
}
//
// AttrTableModelListener methods
//
@Override
public void attrTitleChanged(AttrTableModelEvent e) {
if (e.getSource() != attrModel) {
attrModel.removeAttrTableModelListener(this);
return;
}
updateTitle();
}
@Override
public void attrStructureChanged(AttrTableModelEvent e) {
if (e.getSource() != attrModel) {
attrModel.removeAttrTableModelListener(this);
return;
}
TableCellEditor ed = table.getCellEditor();
if (ed != null) {
ed.cancelCellEditing();
}
fireTableChanged();
}
@Override
public void attrValueChanged(AttrTableModelEvent e) {
if (e.getSource() != attrModel) {
attrModel.removeAttrTableModelListener(this);
return;
}
int row = e.getRowIndex();
TableCellEditor ed = table.getCellEditor();
if (row >= 0 && ed instanceof CellEditor
&& attrModel.getRow(row) == ((CellEditor) ed).currentRow) {
ed.cancelCellEditing();
}
fireTableChanged();
}
}
private class CellEditor
implements TableCellEditor, FocusListener, ActionListener {
LinkedList<CellEditorListener> listeners = new LinkedList<CellEditorListener>();
AttrTableModelRow currentRow;
Component currentEditor;
//
// TableCellListener management
//
@Override
public void addCellEditorListener(CellEditorListener l) {
// Adds a listener to the list that's notified when the
// editor stops, or cancels editing.
listeners.add(l);
}
@Override
public void removeCellEditorListener(CellEditorListener l) {
// Removes a listener from the list that's notified
listeners.remove(l);
}
public void fireEditingCanceled() {
ChangeEvent e = new ChangeEvent(AttrTable.this);
for (CellEditorListener l : new ArrayList<CellEditorListener>(listeners)) {
l.editingCanceled(e);
}
}
public void fireEditingStopped() {
ChangeEvent e = new ChangeEvent(AttrTable.this);
for (CellEditorListener l : new ArrayList<CellEditorListener>(listeners)) {
l.editingStopped(e);
}
}
//
// other TableCellEditor methods
//
@Override
public void cancelCellEditing() {
// Tells the editor to cancel editing and not accept any
// partially edited value.
fireEditingCanceled();
}
@Override
public boolean stopCellEditing() {
// Tells the editor to stop editing and accept any partially
// edited value as the value of the editor.
fireEditingStopped();
return true;
}
@Override
public Object getCellEditorValue() {
// Returns the value contained in the editor.
Component comp = currentEditor;
if (comp instanceof JTextField) {
return ((JTextField) comp).getText();
} else if (comp instanceof JComboBox) {
return ((JComboBox) comp).getSelectedItem();
} else {
return null;
}
}
@Override
public boolean isCellEditable(EventObject anEvent) {
// Asks the editor if it can start editing using anEvent.
return true;
}
@Override
public boolean shouldSelectCell(EventObject anEvent) {
// Returns true if the editing cell should be selected,
// false otherwise.
return true;
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int rowIndex, int columnIndex) {
AttrTableModel attrModel = tableModel.attrModel;
AttrTableModelRow row = attrModel.getRow(rowIndex);
if (columnIndex == 0) {
return new JLabel(row.getLabel());
} else {
if (currentEditor != null) {
currentEditor.transferFocus();
}
Component editor = row.getEditor(parent);
if (editor instanceof JComboBox) {
((JComboBox) editor).addActionListener(this);
editor.addFocusListener(this);
} else if (editor instanceof JInputComponent) {
JInputComponent input = (JInputComponent) editor;
MyDialog dlog;
Window parent = AttrTable.this.parent;
if (parent instanceof Frame) {
dlog = new MyDialog((Frame) parent, input);
} else {
dlog = new MyDialog((Dialog) parent, input);
}
dlog.setVisible(true);
Object retval = dlog.getValue();
try {
row.setValue(retval);
} catch (AttrTableSetException e) {
JOptionPane.showMessageDialog(parent, e.getMessage(),
getFromLocale("attributeChangeInvalidTitle"),
JOptionPane.WARNING_MESSAGE);
}
editor = new JLabel(row.getValue());
} else {
editor.addFocusListener(this);
}
currentRow = row;
currentEditor = editor;
return editor;
}
}
//
// FocusListener methods
//
@Override
public void focusLost(FocusEvent e) {
Object dst = e.getOppositeComponent();
if (dst instanceof Component) {
Component p = (Component) dst;
while (p != null && !(p instanceof Window)) {
if (p == AttrTable.this) {
// switch to another place in this table,
// no problem
return;
}
p = p.getParent();
}
// focus transferred outside table; stop editing
editor.stopCellEditing();
}
}
@Override
public void focusGained(FocusEvent e) { }
//
// ActionListener methods
//
@Override
public void actionPerformed(ActionEvent e) {
stopCellEditing();
}
}
private Window parent;
private boolean titleEnabled;
private JLabel title;
private JTable table;
private TableModelAdapter tableModel;
private CellEditor editor = new CellEditor();
public AttrTable(Window parent) {
super(new BorderLayout());
this.parent = parent;
titleEnabled = true;
title = new TitleLabel();
title.setHorizontalAlignment(SwingConstants.CENTER);
title.setVerticalAlignment(SwingConstants.CENTER);
tableModel = new TableModelAdapter(parent, NULL_ATTR_MODEL);
table = new JTable(tableModel);
table.setDefaultEditor(Object.class, editor);
table.setTableHeader(null);
table.setRowHeight(20);
Font baseFont = title.getFont();
int titleSize = Math.round(baseFont.getSize() * 1.2f);
Font titleFont = baseFont.deriveFont((float) titleSize).deriveFont(Font.BOLD);
title.setFont(titleFont);
Color bgColor = new Color(240, 240, 240);
setBackground(bgColor);
table.setBackground(bgColor);
Object renderer = table.getDefaultRenderer(String.class);
if (renderer instanceof JComponent) {
((JComponent) renderer).setBackground(Color.WHITE);
}
JScrollPane tableScroll = new JScrollPane(table);
this.add(title, BorderLayout.PAGE_START);
this.add(tableScroll, BorderLayout.CENTER);
LocaleManager.addLocaleListener(this);
localeChanged();
}
public void setTitleEnabled(boolean value) {
titleEnabled = value;
updateTitle();
}
public boolean getTitleEnabled() {
return titleEnabled;
}
public void setAttrTableModel(AttrTableModel value) {
tableModel.setAttrTableModel(value == null ? NULL_ATTR_MODEL : value);
updateTitle();
}
public AttrTableModel getAttrTableModel() {
return tableModel.attrModel;
}
@Override
public void localeChanged() {
updateTitle();
tableModel.fireTableChanged();
}
private void updateTitle() {
if (titleEnabled) {
String text = tableModel.attrModel.getTitle();
if (text == null) {
title.setVisible(false);
} else {
title.setText(text);
title.setVisible(true);
}
} else {
title.setVisible(false);
}
}
}