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/*
 * MIT License
 *
 * Copyright (c) 2018 https://github.com/atarw
 * Copyright (c) 2019 Vincent 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 mdlaf.components.textfield.MaterialComponentField;
import mdlaf.utils.MaterialDrawingUtils;
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 java.awt.*;

/**
 * @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.setFont (null);
        c.setBackground (null);
        c.setForeground (null);
        c.setBorder (null);
        c.setCursor(null);

        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);
        }
    }
}