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https://github.com/JFormDesigner/FlatLaf.git
synced 2026-02-11 22:47:13 -06:00
UI defaults inspector: initial commit with basic functionality
This commit is contained in:
Karl Tauber
@@ -0,0 +1,373 @@
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/*
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* Copyright 2020 FormDev Software GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.formdev.flatlaf.extras;
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import java.awt.*;
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import java.awt.event.*;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.prefs.Preferences;
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import javax.swing.*;
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import javax.swing.table.AbstractTableModel;
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import javax.swing.table.DefaultTableCellRenderer;
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import javax.swing.table.TableColumnModel;
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import com.formdev.flatlaf.util.HSLColor;
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import com.formdev.flatlaf.util.ScaledEmptyBorder;
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import com.formdev.flatlaf.util.UIScale;
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/**
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* A simple UI defaults inspector that shows a window with all UI defaults used
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* in current look and feel.
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* <p>
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* To use it in an application install it with:
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* <pre>
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* FlatUIDefaultsInspector.install( "ctrl shift alt Y" );
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* </pre>
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* This can be done e.g. in the main() method and allows enabling (and disabling)
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* the UI defaults inspector with the given keystroke.
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*
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* @author Karl Tauber
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*/
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public class FlatUIDefaultsInspector
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{
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private static final int KEY_MODIFIERS_MASK = InputEvent.CTRL_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK | InputEvent.ALT_DOWN_MASK | InputEvent.META_DOWN_MASK;
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private static FlatUIDefaultsInspector inspector;
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/**
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* Installs a key listener into the application that allows enabling and disabling
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* the UI inspector with the given keystroke (e.g. "ctrl shift alt Y").
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*/
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public static void install( String activationKeys ) {
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KeyStroke keyStroke = KeyStroke.getKeyStroke( activationKeys );
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Toolkit.getDefaultToolkit().addAWTEventListener( e -> {
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if( e.getID() == KeyEvent.KEY_RELEASED &&
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((KeyEvent)e).getKeyCode() == keyStroke.getKeyCode() &&
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(((KeyEvent)e).getModifiersEx() & KEY_MODIFIERS_MASK) == (keyStroke.getModifiers() & KEY_MODIFIERS_MASK) )
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{
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show();
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}
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}, AWTEvent.KEY_EVENT_MASK );
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}
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public static void show() {
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if( inspector != null ) {
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inspector.frame.toFront();
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return;
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}
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inspector = new FlatUIDefaultsInspector();
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inspector.frame.setVisible( true );
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}
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public static void hide() {
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if( inspector != null )
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inspector.frame.dispose();
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}
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private FlatUIDefaultsInspector() {
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initComponents();
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panel.setBorder( new ScaledEmptyBorder( 10, 10, 10, 10 ) );
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// initialize table
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Item[] items = getUIDefaultsItems();
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table.setModel( new ItemsTableModel( items ) );
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table.setDefaultRenderer( Item.class, new ValueRenderer() );
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// restore window bounds
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Preferences prefs = getPrefs();
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int x = prefs.getInt( "x", -1 );
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int y = prefs.getInt( "y", -1 );
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int width = prefs.getInt( "width", UIScale.scale( 600 ) );
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int height = prefs.getInt( "height", UIScale.scale( 800 ) );
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frame.setSize( width, height );
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if( x >= 0 && y >= 0 )
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frame.setLocation( x, y );
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else
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frame.setLocationRelativeTo( null );
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// restore column widths
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TableColumnModel columnModel = table.getColumnModel();
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columnModel.getColumn( 0 ).setPreferredWidth( prefs.getInt( "column1width", 100 ) );
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columnModel.getColumn( 1 ).setPreferredWidth( prefs.getInt( "column2width", 100 ) );
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}
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private Item[] getUIDefaultsItems() {
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UIDefaults defaults = UIManager.getDefaults();
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ArrayList<Item> items = new ArrayList<>( defaults.size() );
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Enumeration<Object> e = defaults.keys();
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while( e.hasMoreElements() ) {
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Object key = e.nextElement();
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// ignore non-string keys
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if( !(key instanceof String) )
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continue;
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// ignore values of type Class
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Object value = defaults.get( key );
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if( value instanceof Class )
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continue;
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Item item = new Item();
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item.key = String.valueOf( key );
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item.value = value;
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items.add( item );
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}
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items.sort( (item1, item2) -> item1.key.compareToIgnoreCase( item2.key ) );
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return items.toArray( new Item[items.size()] );
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}
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private void saveWindowBounds() {
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Preferences prefs = getPrefs();
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prefs.putInt( "x", frame.getX() );
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prefs.putInt( "y", frame.getY() );
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prefs.putInt( "width", frame.getWidth() );
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prefs.putInt( "height", frame.getHeight() );
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TableColumnModel columnModel = table.getColumnModel();
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prefs.putInt( "column1width", columnModel.getColumn( 0 ).getWidth() );
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prefs.putInt( "column2width", columnModel.getColumn( 1 ).getWidth() );
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}
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private Preferences getPrefs() {
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return Preferences.userRoot().node( "flatlaf-uidefaults-inspector" );
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}
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private void windowClosed() {
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inspector = null;
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}
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private void initComponents() {
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// JFormDesigner - Component initialization - DO NOT MODIFY //GEN-BEGIN:initComponents
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frame = new JFrame();
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panel = new JPanel();
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scrollPane = new JScrollPane();
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table = new JTable();
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//======== frame ========
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{
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frame.setTitle("UI Defaults");
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frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
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frame.addWindowListener(new WindowAdapter() {
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@Override
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public void windowClosed(WindowEvent e) {
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FlatUIDefaultsInspector.this.windowClosed();
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}
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@Override
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public void windowClosing(WindowEvent e) {
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saveWindowBounds();
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}
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@Override
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public void windowDeactivated(WindowEvent e) {
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saveWindowBounds();
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}
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});
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Container frameContentPane = frame.getContentPane();
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frameContentPane.setLayout(new BorderLayout());
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//======== panel ========
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{
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panel.setLayout(new BorderLayout());
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//======== scrollPane ========
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{
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scrollPane.setViewportView(table);
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}
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panel.add(scrollPane, BorderLayout.CENTER);
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}
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frameContentPane.add(panel, BorderLayout.CENTER);
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}
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// JFormDesigner - End of component initialization //GEN-END:initComponents
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}
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// JFormDesigner - Variables declaration - DO NOT MODIFY //GEN-BEGIN:variables
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private JFrame frame;
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private JPanel panel;
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private JScrollPane scrollPane;
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private JTable table;
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// JFormDesigner - End of variables declaration //GEN-END:variables
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//---- class Item ---------------------------------------------------------
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private static class Item {
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String key;
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Object value;
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}
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//---- class ItemsTableModel ----------------------------------------------
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private static class ItemsTableModel
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extends AbstractTableModel
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{
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private final Item[] items;
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ItemsTableModel( Item[] items ) {
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this.items = items;
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}
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@Override
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public int getRowCount() {
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return items.length;
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}
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@Override
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public int getColumnCount() {
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return 2;
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}
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@Override
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public String getColumnName( int columnIndex ) {
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switch( columnIndex ) {
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case 0: return "Name";
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case 1: return "Value";
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}
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return super.getColumnName( columnIndex );
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}
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@Override
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public Class<?> getColumnClass( int columnIndex ) {
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switch( columnIndex ) {
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case 0: return String.class;
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case 1: return Item.class;
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}
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return super.getColumnClass( columnIndex );
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}
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@Override
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public Object getValueAt( int rowIndex, int columnIndex ) {
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Item item = items[rowIndex];
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switch( columnIndex ) {
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case 0: return item.key;
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case 1: return item;
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}
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return null;
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}
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}
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//---- class ValueRenderer ------------------------------------------------
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private static class ValueRenderer
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extends DefaultTableCellRenderer
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{
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@Override
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public Component getTableCellRendererComponent( JTable table, Object value,
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boolean isSelected, boolean hasFocus, int row, int column )
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{
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Item item = (Item) value;
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// reset background, foreground and icon
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if( !(item.value instanceof Color) ) {
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setBackground( null );
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setForeground( null );
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}
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if( !(item.value instanceof Icon) )
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setIcon( null );
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// value to string
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if( item.value instanceof Color ) {
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Color color = (Color) item.value;
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HSLColor hslColor = new HSLColor( color );
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if( color.getAlpha() == 255 ) {
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value = String.format( "#%06x rgb(%d, %d, %d) hsl(%d, %d, %d)",
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color.getRGB() & 0xffffff,
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color.getRed(), color.getGreen(), color.getBlue(),
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(int) hslColor.getHue(), (int) hslColor.getSaturation(),
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(int) hslColor.getLuminance() );
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} else {
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value = String.format( "#%06x%02x rgba(%d, %d, %d, %d) hsla(%d, %d, %d, %d)",
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color.getRGB() & 0xffffff, color.getAlpha(),
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color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha(),
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(int) hslColor.getHue(), (int) hslColor.getSaturation(),
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(int) hslColor.getLuminance(), (int) (hslColor.getAlpha() * 100) );
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}
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} else if( item.value instanceof Insets ) {
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Insets insets = (Insets) item.value;
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value = insets.top + "," + insets.left + "," + insets.bottom + "," + insets.right;
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} else if( item.value instanceof Dimension ) {
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Dimension dim = (Dimension) item.value;
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value = dim.width + "," + dim.height;
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} else if( item.value instanceof Font ) {
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Font font = (Font) item.value;
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value = font.getFamily() + " " + font.getSize();
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if( font.isBold() )
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value += " bold";
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if( font.isItalic() )
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value += " italic";
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} else if( item.value instanceof Icon ) {
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Icon icon = (Icon) item.value;
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value = icon.getIconWidth() + "x" + icon.getIconHeight() + " " + icon.getClass().getName();
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setIcon( new SafeIcon( icon ) );
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} else if( item.value instanceof ActionMap ) {
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ActionMap actionMap = (ActionMap) item.value;
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value = "ActionMap (" + actionMap.size() + ")";
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} else if( item.value instanceof InputMap ) {
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InputMap inputMap = (InputMap) item.value;
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value = "InputMap (" + inputMap.size() + ")";
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} else
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value = item.value;
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super.getTableCellRendererComponent( table, value, isSelected, hasFocus, row, column );
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if( item.value instanceof Color ) {
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Color color = (Color) item.value;
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boolean isDark = new HSLColor( color ).getLuminance() < 70;
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setBackground( color );
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setForeground( isDark ? Color.white : Color.black );
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}
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setToolTipText( String.valueOf( item.value ) );
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return this;
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}
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}
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//---- class SafeIcon -----------------------------------------------------
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private static class SafeIcon
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implements Icon
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{
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private final Icon icon;
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SafeIcon( Icon icon ) {
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this.icon = icon;
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}
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@Override
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public void paintIcon( Component c, Graphics g, int x, int y ) {
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try {
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icon.paintIcon( c, g, x, y );
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} catch( Exception ex ) {
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g.setColor( Color.red );
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g.drawRect( x, y, getIconWidth() - 1, getIconHeight() - 1 );
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}
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}
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@Override
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public int getIconWidth() {
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return icon.getIconWidth();
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}
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@Override
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public int getIconHeight() {
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return icon.getIconHeight();
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}
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}
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}
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@@ -0,0 +1,33 @@
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JFDML JFormDesigner: "7.0.2.0.298" Java: "14" encoding: "UTF-8"
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new FormModel {
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contentType: "form/swing"
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root: new FormRoot {
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add( new FormWindow( "javax.swing.JFrame", new FormLayoutManager( class java.awt.BorderLayout ) ) {
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name: "frame"
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"title": "UI Defaults"
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"defaultCloseOperation": 2
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"$sizePolicy": 2
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"$locationPolicy": 2
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addEvent( new FormEvent( "java.awt.event.WindowListener", "windowClosed", "windowClosed", false ) )
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addEvent( new FormEvent( "java.awt.event.WindowListener", "windowClosing", "saveWindowBounds", false ) )
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addEvent( new FormEvent( "java.awt.event.WindowListener", "windowDeactivated", "saveWindowBounds", false ) )
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add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class java.awt.BorderLayout ) ) {
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name: "panel"
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add( new FormContainer( "javax.swing.JScrollPane", new FormLayoutManager( class javax.swing.JScrollPane ) ) {
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name: "scrollPane"
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add( new FormComponent( "javax.swing.JTable" ) {
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name: "table"
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} )
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}, new FormLayoutConstraints( class java.lang.String ) {
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"value": "Center"
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} )
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}, new FormLayoutConstraints( class java.lang.String ) {
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"value": "Center"
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} )
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}, new FormLayoutConstraints( null ) {
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"location": new java.awt.Point( 0, 0 )
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"size": new java.awt.Dimension( 400, 300 )
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} )
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}
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}
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Reference in New Issue
Block a user