Package org.jvnet.substance

Source Code of org.jvnet.substance.SubstanceSpinnerUI$SpinnerLayoutManager

/*
* Copyright (c) 2005-2009 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.jvnet.substance;

import java.awt.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.EnumSet;

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.BasicSpinnerUI;

import org.jvnet.lafwidget.animation.*;
import org.jvnet.substance.api.*;
import org.jvnet.substance.api.SubstanceConstants.Side;
import org.jvnet.substance.utils.*;
import org.jvnet.substance.utils.border.SubstanceBorder;
import org.jvnet.substance.utils.icon.TransitionAwareIcon;

/**
* UI for spinners in <b>Substance</b> look and feel.
*
* @author Kirill Grouchnikov
*/
public class SubstanceSpinnerUI extends BasicSpinnerUI {
  /**
   * Tracks changes to editor, removing the border as necessary.
   */
  protected PropertyChangeListener substancePropertyChangeListener;

  /**
   * Listener for fade animations.
   */
  protected FadeStateListener substanceFadeStateListener;

  /**
   * The next (increment) button.
   */
  protected SubstanceSpinnerButton nextButton;

  /**
   * The previous (decrement) button.
   */
  protected SubstanceSpinnerButton prevButton;

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

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicSpinnerUI#createNextButton()
   */
  @Override
  protected Component createNextButton() {
    this.nextButton = new SubstanceSpinnerButton(this.spinner,
        SwingConstants.NORTH);
    this.nextButton.setFont(this.spinner.getFont());
    this.nextButton.setName("Spinner.nextButton");

    Icon icon = new TransitionAwareIcon(this.nextButton,
        new TransitionAwareIcon.Delegate() {
          public Icon getColorSchemeIcon(SubstanceColorScheme scheme) {
            int fontSize = SubstanceSizeUtils
                .getComponentFontSize(spinner);
            return SubstanceImageCreator.getArrowIcon(
                SubstanceSizeUtils
                    .getSpinnerArrowIconWidth(fontSize),
                SubstanceSizeUtils
                    .getSpinnerArrowIconHeight(fontSize),
                SubstanceSizeUtils
                    .getArrowStrokeWidth(fontSize),
                SwingConstants.NORTH, scheme);
          }
        }, "substance.spinner.nextButton");
    this.nextButton.setIcon(icon);

    int spinnerButtonSize = SubstanceSizeUtils
        .getScrollBarWidth(SubstanceSizeUtils
            .getComponentFontSize(spinner));
    this.nextButton.setPreferredSize(new Dimension(spinnerButtonSize,
        spinnerButtonSize));
    this.nextButton.setMinimumSize(new Dimension(5, 5));

    // Set<Side> openSides = EnumSet.of(Side.BOTTOM, Side.TOP, Side.RIGHT);
    this.nextButton.putClientProperty(
        SubstanceLookAndFeel.BUTTON_OPEN_SIDE_PROPERTY, EnumSet
            .allOf(Side.class));

    this.installNextButtonListeners(this.nextButton);
    return this.nextButton;
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicSpinnerUI#createPreviousButton()
   */
  @Override
  protected Component createPreviousButton() {
    this.prevButton = new SubstanceSpinnerButton(this.spinner,
        SwingConstants.SOUTH);
    this.prevButton.setFont(this.spinner.getFont());
    this.prevButton.setName("Spinner.previousButton");

    Icon icon = new TransitionAwareIcon(this.prevButton,
        new TransitionAwareIcon.Delegate() {
          public Icon getColorSchemeIcon(SubstanceColorScheme scheme) {
            // System.out.println(spinner.getFont().getSize());
            int fontSize = SubstanceSizeUtils
                .getComponentFontSize(spinner);
            float spinnerArrowIconHeight = SubstanceSizeUtils
                .getSpinnerArrowIconHeight(fontSize);
            // System.out.println("OLD height : "
            // + spinnerArrowIconHeight);
            return SubstanceImageCreator.getArrowIcon(
                SubstanceSizeUtils
                    .getSpinnerArrowIconWidth(fontSize),
                spinnerArrowIconHeight, SubstanceSizeUtils
                    .getArrowStrokeWidth(fontSize),
                SwingConstants.SOUTH, scheme);
          }
        }, "substance.spinner.prevButton");
    this.prevButton.setIcon(icon);

    int spinnerButtonSize = SubstanceSizeUtils
        .getScrollBarWidth(SubstanceSizeUtils
            .getComponentFontSize(this.prevButton));
    this.prevButton.setPreferredSize(new Dimension(spinnerButtonSize,
        spinnerButtonSize));
    this.prevButton.setMinimumSize(new Dimension(5, 5));

    // Set<Side> openSides = EnumSet.of(Side.BOTTOM, Side.TOP, Side.RIGHT);
    this.prevButton.putClientProperty(
        SubstanceLookAndFeel.BUTTON_OPEN_SIDE_PROPERTY, EnumSet
            .allOf(Side.class));

    this.installPreviousButtonListeners(this.prevButton);
    return this.prevButton;
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicSpinnerUI#installDefaults()
   */
  @Override
  protected void installDefaults() {
    super.installDefaults();
    JComponent editor = this.spinner.getEditor();
    if ((editor != null) && (editor instanceof JSpinner.DefaultEditor)) {
      JTextField tf = ((JSpinner.DefaultEditor) editor).getTextField();
      if (tf != null) {
        int fontSize = SubstanceSizeUtils
            .getComponentFontSize(this.spinner);
        Insets ins = SubstanceSizeUtils
            .getSpinnerTextBorderInsets(fontSize);
        tf.setBorder(new EmptyBorder(ins.top, ins.left, ins.bottom,
            ins.right));
        tf.setFont(spinner.getFont());
      }
    }

    Border b = this.spinner.getBorder();
    if (b == null || b instanceof UIResource) {
      this.spinner.setBorder(new SubstanceBorder(SubstanceSizeUtils
          .getSpinnerBorderInsets(SubstanceSizeUtils
              .getComponentFontSize(this.spinner))));
    }
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicSpinnerUI#installListeners()
   */
  @Override
  protected void installListeners() {
    super.installListeners();
    this.substancePropertyChangeListener = new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent evt) {
        if ("editor".equals(evt.getPropertyName())) {
          SwingUtilities.invokeLater(new Runnable() {
            public void run() {
              if (substanceFadeStateListener != null) {
                substanceFadeStateListener
                    .unregisterListeners();
                substanceFadeStateListener = null;
              }
              if (spinner == null)
                return;
              JComponent editor = spinner.getEditor();
              if ((editor != null)
                  && (editor instanceof JSpinner.DefaultEditor)) {
                JTextField tf = ((JSpinner.DefaultEditor) editor)
                    .getTextField();
                if (tf != null) {
                  Insets ins = SubstanceSizeUtils
                      .getSpinnerTextBorderInsets(SubstanceSizeUtils
                          .getComponentFontSize(spinner));
                  tf.setBorder(new EmptyBorder(ins.top,
                      ins.left, ins.bottom, ins.right));
                  substanceFadeStateListener = new FadeStateListener(
                      tf, null, new FadeTrackerAdapter() {
                        @Override
                        public void fadeEnded(
                            FadeKind fadeKind) {
                          if (spinner != null)
                            spinner.repaint();
                        }

                        @Override
                        public void fadePerformed(
                            FadeKind fadeKind,
                            float fadeCycle10) {
                          if (spinner != null)
                            spinner.repaint();
                        }
                      });
                  substanceFadeStateListener
                      .registerListeners();
                }
              }
            }
          });
        }

        if ("font".equals(evt.getPropertyName())) {
          SwingUtilities.invokeLater(new Runnable() {
            public void run() {
              if (spinner != null) {
                spinner.updateUI();
              }
            }
          });
        }

        if ("background".equals(evt.getPropertyName())) {
          JComponent editor = spinner.getEditor();
          if ((editor != null)
              && (editor instanceof JSpinner.DefaultEditor)) {
            JTextField tf = ((JSpinner.DefaultEditor) editor)
                .getTextField();
            if (tf != null) {
              // Use SubstanceColorResource to distingish between
              // color set by application and color set
              // (propagated)
              // by Substance. In the second case we can replace
              // that color (even though it's not a UIResource).
              Color tfBackground = tf.getBackground();
              boolean canReplace = SubstanceCoreUtilities
                  .canReplaceChildBackgroundColor(tfBackground);
              // fix for issue 387 - if spinner background
              // is null, do nothing
              if (spinner.getBackground() == null)
                canReplace = false;
              if (canReplace) {
                tf.setBackground(new SubstanceColorResource(
                    spinner.getBackground()));
              }
            }
          }
        }
      }
    };
    this.spinner
        .addPropertyChangeListener(this.substancePropertyChangeListener);

    JComponent editor = spinner.getEditor();
    if ((editor != null) && (editor instanceof JSpinner.DefaultEditor)) {
      JTextField tf = ((JSpinner.DefaultEditor) editor).getTextField();
      this.substanceFadeStateListener = new FadeStateListener(tf, null,
          new FadeTrackerAdapter() {
            @Override
            public void fadeEnded(FadeKind fadeKind) {
              if (spinner != null)
                spinner.repaint();
            }

            @Override
            public void fadePerformed(FadeKind fadeKind,
                float fadeCycle10) {
              if (spinner != null)
                spinner.repaint();
            }
          });
      this.substanceFadeStateListener.registerListeners();
    }
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.basic.BasicSpinnerUI#uninstallListeners()
   */
  @Override
  protected void uninstallListeners() {
    // listener can be null is there is a custom editor installed
    // on the spinner.
    if (this.substanceFadeStateListener != null) {
      this.substanceFadeStateListener.unregisterListeners();
      this.substanceFadeStateListener = null;
    }

    this.spinner
        .removePropertyChangeListener(this.substancePropertyChangeListener);
    this.substancePropertyChangeListener = null;

    super.uninstallListeners();
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.ComponentUI#paint(java.awt.Graphics,
   * javax.swing.JComponent)
   */
  @Override
  public void paint(Graphics g, JComponent c) {
    super.paint(g, c);
    if (hasFocus(this.spinner)
        || FadeTracker.getInstance().isTracked(this.spinner,
            FadeKind.FOCUS)) {
      this.paintFocus(g, this.spinner.getEditor().getBounds());
    }
    if (this.spinner.isEnabled()) {
      Graphics2D g2d = (Graphics2D) g.create();
      g2d.setColor(Color.red);
      SubstanceColorScheme borderColorScheme = SubstanceColorSchemeUtilities
          .getColorScheme(c, ColorSchemeAssociationKind.BORDER,
              ComponentState.DEFAULT);
      if (this.spinner.getComponentOrientation().isLeftToRight()) {
        g2d.translate(this.spinner.getEditor().getX()
            + this.spinner.getEditor().getWidth(), -5);
        SubstanceImageCreator.paintSimpleBorder(this.spinner, g2d,
            2 * nextButton.getWidth(),
            this.spinner.getHeight() + 10, borderColorScheme,
            borderColorScheme, 0.0f);
      } else {
        g2d.translate(-5, -5);
        SubstanceImageCreator.paintSimpleBorder(this.spinner, g2d,
            5 + this.spinner.getEditor().getX(), this.spinner
                .getHeight() + 10, borderColorScheme,
            borderColorScheme, 0.0f);
      }
      g2d.dispose();
    }

  }

  /**
   * Checks if a component or any of its children have focus.
   *
   * @param comp
   *            Component.
   * @return <code>true</code> if the component of any of its children have
   *         focus, <code>false</code> otherwise.
   */
  private static boolean hasFocus(Component comp) {
    if (comp.hasFocus())
      return true;
    if (comp instanceof Container) {
      Container cont = (Container) comp;
      for (int i = 0; i < cont.getComponentCount(); i++) {
        Component child = cont.getComponent(i);
        if (hasFocus(child))
          return true;
      }
    }
    return false;
  }

  /**
   * Paints the focus indication.
   *
   * @param g
   *            Graphics.
   * @param bounds
   *            Bounds for text.
   */
  protected void paintFocus(Graphics g, Rectangle bounds) {
    // JComponent editor = spinner.getEditor();
    // if ((editor != null) && (editor instanceof JSpinner.DefaultEditor)) {
    // JTextField tf = ((JSpinner.DefaultEditor) editor).getTextField();
    // if (tf != null) {
    // SubstanceCoreUtilities.paintFocus(g, this.spinner, tf, null,
    // bounds, 0.4f, 2 + SubstanceSizeUtils
    // .getExtraPadding(SubstanceSizeUtils
    // .getComponentFontSize(spinner)));
    // }
    // }
  }

  /*
   * (non-Javadoc)
   *
   * @see
   * javax.swing.plaf.ComponentUI#getPreferredSize(javax.swing.JComponent)
   */
  @Override
  public Dimension getPreferredSize(JComponent c) {
    Dimension nextD = this.nextButton.getPreferredSize();
    Dimension previousD = this.prevButton.getPreferredSize();
    Dimension editorD = spinner.getEditor().getPreferredSize();

    Dimension size = new Dimension(editorD.width, editorD.height);
    size.width += Math.max(nextD.width, previousD.width);
    Insets insets = this.spinner.getInsets();
    size.width += insets.left + insets.right;
    size.height += insets.top + insets.bottom;
    return size;
  }

  /*
   * (non-Javadoc)
   *
   * @see javax.swing.plaf.ComponentUI#update(java.awt.Graphics,
   * javax.swing.JComponent)
   */
  @Override
  public void update(Graphics g, JComponent c) {
    SubstanceTextUtilities.paintTextCompBackground(g, c);
    this.paint(g, c);
  }

  @Override
  protected LayoutManager createLayout() {
    return new SpinnerLayoutManager();
  }

  /**
   * Layout manager for the spinner.
   *
   * @author Kirill Grouchnikov
   */
  protected class SpinnerLayoutManager implements LayoutManager {
    public void addLayoutComponent(String name, Component comp) {
    }

    public void removeLayoutComponent(Component comp) {
    }

    public Dimension minimumLayoutSize(Container parent) {
      return this.preferredLayoutSize(parent);
    }

    public Dimension preferredLayoutSize(Container parent) {
      Dimension nextD = nextButton.getPreferredSize();
      Dimension previousD = prevButton.getPreferredSize();
      Dimension editorD = spinner.getEditor().getPreferredSize();

      /*
       * Force the editors height to be a multiple of 2
       */
      editorD.height = ((editorD.height + 1) / 2) * 2;

      Dimension size = new Dimension(editorD.width, editorD.height);
      size.width += Math.max(nextD.width, previousD.width);
      Insets insets = parent.getInsets();
      size.width += insets.left + insets.right;
      size.height += insets.top + insets.bottom;

      Insets buttonInsets = SubstanceSizeUtils
          .getSpinnerArrowButtonInsets(SubstanceSizeUtils
              .getComponentFontSize(spinner));
      size.width += (buttonInsets.left + buttonInsets.right);

      return size;
    }

    public void layoutContainer(Container parent) {
      int width = parent.getWidth();
      int height = parent.getHeight();

      Insets insets = parent.getInsets();
      Dimension nextD = nextButton.getPreferredSize();
      Dimension previousD = prevButton.getPreferredSize();
      int buttonsWidth = Math.max(nextD.width, previousD.width);
      int editorHeight = height - (insets.top + insets.bottom);

      Insets buttonInsets = SubstanceSizeUtils
          .getSpinnerArrowButtonInsets(SubstanceSizeUtils
              .getComponentFontSize(spinner));

      /*
       * Deal with the spinner's componentOrientation property.
       */
      int editorX, editorWidth, buttonsX;
      if (parent.getComponentOrientation().isLeftToRight()) {
        editorX = insets.left;
        editorWidth = width - insets.left - buttonsWidth
            - buttonInsets.right - buttonInsets.left;
        buttonsX = width - buttonsWidth - buttonInsets.right;
      } else {
        buttonsX = buttonInsets.left;
        editorX = buttonsX + buttonsWidth + buttonInsets.left;
        editorWidth = width - buttonInsets.left - buttonsWidth
            - insets.right - buttonInsets.left;
      }

      int nextY = buttonInsets.top;
      int nextHeight = (height / 2) + (height % 2) - nextY;
      int previousY = buttonInsets.top + nextHeight;
      int previousHeight = height - previousY - buttonInsets.bottom;

      spinner.getEditor().setBounds(editorX, insets.top, editorWidth,
          editorHeight);
      nextButton.setBounds(buttonsX, nextY, buttonsWidth, nextHeight);
      prevButton.setBounds(buttonsX, previousY, buttonsWidth,
          previousHeight);
      // System.out.println("next : " + nextButton.getBounds());
      // System.out.println("prev : " + prevButton.getBounds());
    }
  }
}
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