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/**
 * MIT License
 *
 * Copyright (c) 2018-2020 atharva washimkar, Vincenzo Palazzo [email protected]
 * Copyright (c) 2021 Vincenzo Palazzo [email protected]
 *
 * 
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * 
The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package mdlaf.components.password;

import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicPasswordFieldUI;
import javax.swing.text.Element;
import javax.swing.text.PasswordView;
import javax.swing.text.View;
import mdlaf.components.textfield.MaterialComponentField;
import mdlaf.utils.MaterialDrawingUtils;

/**
 * @author https://github.com/vincenzopalazzo
 * @author https://github.com/atarw
 */
public class MaterialPasswordFieldUI extends MaterialComponentField {

  protected static final String ProprietyPrefix = "PasswordField";
  protected BasicPasswordFieldUI basicPasswordFieldUI = new BasicPasswordFieldUI();

  public MaterialPasswordFieldUI() {
    this(true);
  }

  public MaterialPasswordFieldUI(boolean drawLine) {
    super();
    this.drawLine = drawLine;
  }

  public static ComponentUI createUI(JComponent c) {
    return new MaterialPasswordFieldUI();
  }

  @Override
  protected String getPropertyPrefix() {
    return ProprietyPrefix;
  }

  @Override
  public void installUI(JComponent c) {
    super.installUI(c);
    basicPasswordFieldUI.installUI(c);
    JPasswordField passwordField = (JPasswordField) c;
    passwordField.setEchoChar((Character) UIManager.get("PasswordField.echoChar"));
    installMyDefaults(passwordField);
  }

  @Override
  protected void installDefaults() {
    super.installDefaults();
  }

  @Override
  public void uninstallUI(JComponent c) {
    c.setCursor(Cursor.getDefaultCursor());

    basicPasswordFieldUI.uninstallUI(c);
    textComponent = null;
    super.uninstallUI(c);
  }

  @Override
  protected void uninstallDefaults() {
    super.uninstallDefaults();
    getComponent().setBorder(null);
  }

  @Override
  protected void installListeners() {
    super.installListeners();
    getComponent().addFocusListener(focusListenerColorLine);
    getComponent().addPropertyChangeListener(propertyChangeListener);
    propertyChangeSupport.addPropertyChangeListener(propertyChangeListener);
  }

  @Override
  protected void uninstallListeners() {
    getComponent().removeFocusListener(focusListenerColorLine);
    getComponent().removePropertyChangeListener(propertyChangeListener);
    propertyChangeSupport.removePropertyChangeListener(propertyChangeListener);
    super.uninstallListeners();
  }

  @Override
  protected void paintBackground(Graphics g) {
    super.paintBackground(MaterialDrawingUtils.getAliasedGraphics(g));
  }

  @Override
  public void paintSafely(Graphics g) {
    super.paintSafely(g);
    changeColorOnFocus(g);
    paintLine(g);
  }

  // Creating View
  @Override
  public View create(Element elem) {
    return new MaterialPasswordView(elem);
  }

  protected class MaterialPasswordView extends PasswordView {

    private MaterialPasswordView(Element elem) {
      super(elem);
    }

    // depreciated in Java 9 and above - replace method with float drawEchoCharacter(Graphics2D g,
    // float x, float y, char c)
    @Override
    protected int drawEchoCharacter(Graphics g, int x, int y, char c) {
      Graphics2D g2 = (Graphics2D) g.create();
      g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

      FontMetrics fm = g2.getFontMetrics();
      int r = fm.charWidth(c) - 2;

      // The line with the comment introduced this bug
      // https://github.com/vincenzopalazzo/material-ui-swing/issues/72
      // g2.setPaint(getComponent().hasFocus() && getComponent().isEnabled() ? activeForeground :
      // inactiveForeground);
      g2.fillOval(x + 1, y + 5 - fm.getAscent(), r, r);
      g2.dispose();

      return x + fm.charWidth(c);
    }
  }
}