Package org.pushingpixels.substance.internal.ui

Source Code of org.pushingpixels.substance.internal.ui.SubstanceRadioButtonUI

/*
* Copyright (c) 2005-2010 Substance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  o Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  o Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
*  o Neither the name of Substance Kirill Grouchnikov nor the names of
*    its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.pushingpixels.substance.internal.ui;

import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Map;

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.*;
import javax.swing.text.View;

import org.pushingpixels.substance.api.*;
import org.pushingpixels.substance.api.painter.border.SubstanceBorderPainter;
import org.pushingpixels.substance.api.painter.fill.SubstanceFillPainter;
import org.pushingpixels.substance.internal.animation.StateTransitionTracker;
import org.pushingpixels.substance.internal.animation.TransitionAwareUI;
import org.pushingpixels.substance.internal.painter.BackgroundPaintingUtils;
import org.pushingpixels.substance.internal.utils.*;

/**
* UI for radio buttons in <b>Substance </b> look and feel.
*
* @author Kirill Grouchnikov
*/
public class SubstanceRadioButtonUI extends BasicRadioButtonUI implements
    TransitionAwareUI {
  /**
   * Property change listener. Listens on changes to
   * {@link AbstractButton#MODEL_CHANGED_PROPERTY} property.
   */
  protected PropertyChangeListener substancePropertyListener;

  /**
   * Associated toggle button.
   */
  protected JToggleButton button;

  /**
   * Icons for all component states
   */
  private static LazyResettableHashMap<Icon> icons = new LazyResettableHashMap<Icon>(
      "SubstanceRadioButtonUI");

  protected StateTransitionTracker stateTransitionTracker;

  private Rectangle viewRect = new Rectangle();

  private Rectangle iconRect = new Rectangle();

  private Rectangle textRect = new Rectangle();

  /*
   * (non-Javadoc)
   *
   * @seejavax.swing.plaf.basic.BasicButtonUI#installListeners(javax.swing.
   * AbstractButton)
   */
  @Override
  protected void installListeners(final AbstractButton b) {
    super.installListeners(b);

    this.stateTransitionTracker.registerModelListeners();
    this.stateTransitionTracker.registerFocusListeners();

    this.substancePropertyListener = new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent evt) {
        if (AbstractButton.MODEL_CHANGED_PROPERTY.equals(evt
            .getPropertyName())) {
          stateTransitionTracker.setModel((ButtonModel) evt
              .getNewValue());
        }
        if ("font".equals(evt.getPropertyName())) {
          SwingUtilities.invokeLater(new Runnable() {
            public void run() {
              b.updateUI();
            }
          });
        }
      }
    };
    b.addPropertyChangeListener(substancePropertyListener);
  }

  /*
   * (non-Javadoc)
   *
   * @see
   * javax.swing.plaf.basic.BasicRadioButtonUI#installDefaults(javax.swing
   * .AbstractButton)
   */
  @Override
  protected void installDefaults(AbstractButton b) {
    super.installDefaults(b);
    Border border = b.getBorder();
    if (border == null || border instanceof UIResource) {
      b.setBorder(SubstanceSizeUtils.getRadioButtonBorder(
          SubstanceSizeUtils.getComponentFontSize(b), b
              .getComponentOrientation().isLeftToRight()));
    }

    button.setRolloverEnabled(true);

    LookAndFeel.installProperty(b, "iconTextGap", SubstanceSizeUtils
        .getTextIconGap(SubstanceSizeUtils.getComponentFontSize(b)));
  }

  /*
   * (non-Javadoc)
   *
   * @seejavax.swing.plaf.basic.BasicButtonUI#uninstallListeners(javax.swing.
   * AbstractButton)
   */
  @Override
  protected void uninstallListeners(AbstractButton b) {
    b.removePropertyChangeListener(substancePropertyListener);
    substancePropertyListener = null;

    this.stateTransitionTracker.unregisterModelListeners();
    this.stateTransitionTracker.unregisterFocusListeners();

    super.uninstallListeners(b);
  }

  /**
   * Returns the icon that matches the current and previous states of the
   * radio button.
   *
   * @param button
   *            Button (should be {@link JRadioButton}).
   * @param currState
   *            Current state of the checkbox.
   * @param prevState
   *            Previous state of the checkbox.
   * @return Matching icon.
   */
  private static Icon getIcon(JToggleButton button,
      StateTransitionTracker stateTransitionTracker) {
    StateTransitionTracker.ModelStateInfo modelStateInfo = stateTransitionTracker
        .getModelStateInfo();
    Map<ComponentState, StateTransitionTracker.StateContributionInfo> activeStates = modelStateInfo
        .getStateContributionMap();

    int fontSize = SubstanceSizeUtils.getComponentFontSize(button);
    int checkMarkSize = SubstanceSizeUtils.getRadioButtonMarkSize(fontSize);

    SubstanceFillPainter fillPainter = SubstanceCoreUtilities
        .getFillPainter(button);
    SubstanceBorderPainter borderPainter = SubstanceCoreUtilities
        .getBorderPainter(button);
    ComponentState currState = modelStateInfo.getCurrModelState();

    SubstanceColorScheme baseFillColorScheme = SubstanceColorSchemeUtilities
        .getColorScheme(button, ColorSchemeAssociationKind.FILL,
            currState);
    SubstanceColorScheme baseMarkColorScheme = SubstanceColorSchemeUtilities
        .getColorScheme(button, ColorSchemeAssociationKind.MARK,
            currState);
    SubstanceColorScheme baseBorderColorScheme = SubstanceColorSchemeUtilities
        .getColorScheme(button, ColorSchemeAssociationKind.BORDER,
            currState);
    float visibility = stateTransitionTracker
        .getFacetStrength(ComponentStateFacet.SELECTION);

    HashMapKey keyBase = SubstanceCoreUtilities.getHashKey(fontSize,
        checkMarkSize, fillPainter.getDisplayName(), borderPainter
            .getDisplayName(),
        baseFillColorScheme.getDisplayName(), baseMarkColorScheme
            .getDisplayName(), baseBorderColorScheme
            .getDisplayName(), visibility);
    Icon iconBase = icons.get(keyBase);
    if (iconBase == null) {
      iconBase = new ImageIcon(SubstanceImageCreator.getRadioButton(
          button, fillPainter, borderPainter, checkMarkSize,
          currState, 0, baseFillColorScheme, baseMarkColorScheme,
          baseBorderColorScheme, visibility));
      icons.put(keyBase, iconBase);
    }
    if (currState.isDisabled() || (activeStates.size() == 1)) {
      return iconBase;
    }

    BufferedImage result = SubstanceCoreUtilities.getBlankImage(iconBase
        .getIconWidth(), iconBase.getIconHeight());
    Graphics2D g2d = result.createGraphics();
    // draw the base layer
    iconBase.paintIcon(button, g2d, 0, 0);

    // draw other active layers
    for (Map.Entry<ComponentState, StateTransitionTracker.StateContributionInfo> activeEntry : activeStates
        .entrySet()) {
      ComponentState activeState = activeEntry.getKey();
      // System.out.println("Painting state " + activeState + "[curr is "
      // + currState + "] with " + activeEntry.getValue());
      if (activeState == currState)
        continue;

      float stateContribution = activeEntry.getValue().getContribution();
      if (stateContribution > 0.0f) {
        g2d.setComposite(AlphaComposite.SrcOver
            .derive(stateContribution));
        SubstanceColorScheme fillColorScheme = SubstanceColorSchemeUtilities
            .getColorScheme(button,
                ColorSchemeAssociationKind.FILL, activeState);
        SubstanceColorScheme markColorScheme = SubstanceColorSchemeUtilities
            .getColorScheme(button,
                ColorSchemeAssociationKind.MARK, activeState);
        SubstanceColorScheme borderColorScheme = SubstanceColorSchemeUtilities
            .getColorScheme(button,
                ColorSchemeAssociationKind.BORDER, activeState);

        HashMapKey keyLayer = SubstanceCoreUtilities.getHashKey(
            fontSize, checkMarkSize, fillPainter.getDisplayName(),
            borderPainter.getDisplayName(), fillColorScheme
                .getDisplayName(), markColorScheme
                .getDisplayName(), borderColorScheme
                .getDisplayName(), visibility);
        Icon iconLayer = icons.get(keyLayer);
        if (iconLayer == null) {
          iconLayer = new ImageIcon(SubstanceImageCreator
              .getRadioButton(button, fillPainter, borderPainter,
                  checkMarkSize, currState, 0,
                  fillColorScheme, markColorScheme,
                  borderColorScheme, visibility));
          icons.put(keyLayer, iconLayer);
        }

        iconLayer.paintIcon(button, g2d, 0, 0);
      }
    }

    g2d.dispose();
    return new ImageIcon(result);
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.ComponentUI#createUI(javax.swing.JComponent)
   */
  public static ComponentUI createUI(JComponent comp) {
    SubstanceCoreUtilities.testComponentCreationThreadingViolation(comp);
    return new SubstanceRadioButtonUI((JToggleButton) comp);
  }

  /**
   * Simple constructor.
   *
   * @param button
   *            Associated radio button.
   */
  public SubstanceRadioButtonUI(JToggleButton button) {
    this.button = button;
    button.setRolloverEnabled(true);
    this.stateTransitionTracker = new StateTransitionTracker(this.button,
        this.button.getModel());
  }

  /*
   * (non-Javadoc)
   *
   * @see
   * javax.swing.plaf.basic.BasicButtonUI#createButtonListener(javax.swing
   * .AbstractButton)
   */
  @Override
  protected BasicButtonListener createButtonListener(AbstractButton b) {
    return new RolloverButtonListener(b, this.stateTransitionTracker);
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicRadioButtonUI#getDefaultIcon()
   */
  @Override
  public Icon getDefaultIcon() {
    return SubstanceRadioButtonUI.getIcon(button,
        this.stateTransitionTracker);
  }

  @Override
  public void paint(Graphics g, JComponent c) {
    AbstractButton b = (AbstractButton) c;

    // boolean isOpaque = b.isOpaque();
    // b.putClientProperty(SubstanceButtonUI.LOCK_OPACITY, Boolean.TRUE);
    // b.setOpaque(false);

    if (SubstanceCoreUtilities.isOpaque(c)) {
      BackgroundPaintingUtils.update(g, c, false);
    }

    // b.setOpaque(isOpaque);

    // b.putClientProperty(SubstanceButtonUI.LOCK_OPACITY, null);

    FontMetrics fm = g.getFontMetrics();

    Insets i = b.getInsets();

    viewRect.x = i.left;
    viewRect.y = i.top;
    viewRect.width = b.getWidth() - (i.right + viewRect.x);
    viewRect.height = b.getHeight() - (i.bottom + viewRect.y);

    textRect.x = textRect.y = textRect.width = textRect.height = 0;
    iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;

    Font f = b.getFont();
    g.setFont(f);

    Icon icon = SubstanceCoreUtilities.getOriginalIcon(b, getDefaultIcon());

    // layout the text and icon
    String text = SwingUtilities.layoutCompoundLabel(c, fm, b.getText(),
        icon, b.getVerticalAlignment(), b.getHorizontalAlignment(), b
            .getVerticalTextPosition(), b
            .getHorizontalTextPosition(), viewRect, iconRect,
        textRect, b.getText() == null ? 0 : b.getIconTextGap());

    Graphics2D g2d = (Graphics2D) g.create();
    if (text != null && !text.equals("")) {
      final View v = (View) b.getClientProperty(BasicHTML.propertyKey);
      if (v != null) {
        v.paint(g2d, textRect);
      } else {
        this.paintButtonText(g2d, b, textRect, text);
      }
    }

    // Paint the Icon
    if (icon != null) {
      icon.paintIcon(c, g2d, iconRect.x, iconRect.y);
    }

    if (b.isFocusPainted()) {
      // make sure that the focus ring is not clipped
      int focusRingPadding = SubstanceSizeUtils
          .getFocusRingPadding(SubstanceSizeUtils
              .getComponentFontSize(button)) / 2;
      SubstanceCoreUtilities.paintFocus(g2d, button, button, this, null,
          textRect, 1.0f, focusRingPadding);
    }
    // g2d.setColor(Color.red);
    // g2d.draw(iconRect);
    // g2d.draw(viewRect);
    // g2d.draw(textRect);
    // g2d.setColor(Color.blue);
    // g2d.drawRect(0, 0, button.getWidth() - 1, button.getHeight() - 1);

    g2d.dispose();
  }

  /**
   * Returns memory usage string.
   *
   * @return Memory usage string.
   */
  public static String getMemoryUsage() {
    StringBuffer sb = new StringBuffer();
    sb.append("SubstanceRadioButtonUI: \n");
    sb.append("\t" + SubstanceRadioButtonUI.icons.size() + " icons");
    return sb.toString();
  }

  /**
   * Paints the text.
   *
   * @param g
   *            Graphic context
   * @param button
   *            Button
   * @param textRect
   *            Text rectangle
   * @param text
   *            Text to paint
   */
  protected void paintButtonText(Graphics g, AbstractButton button,
      Rectangle textRect, String text) {
    SubstanceTextUtilities.paintText(g, button, textRect, text, button
        .getDisplayedMnemonicIndex());
  }

  @Override
  public boolean isInside(MouseEvent me) {
    return true;
  }

  @Override
  public StateTransitionTracker getTransitionTracker() {
    return this.stateTransitionTracker;
  }
}
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