/*

 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.swing.colorchooser;

import java.awt.Color;

import java.awt.Component;

import java.awt.Container;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import javax.swing.Icon;

import javax.swing.JComponent;

import javax.swing.JFormattedTextField;

import javax.swing.JLabel;

import javax.swing.SwingConstants;

final class ColorChooserPanel extends AbstractColorChooserPanel implements PropertyChangeListener {

    private static final int MASK = 0xFF000000;

    private final ColorModel model;

    private final ColorPanel panel;

    private final DiagramComponent slider;

    private final DiagramComponent diagram;

    private final JFormattedTextField text;

    private final JLabel label;

    ColorChooserPanel(ColorModel model) {

        this.model = model;

        this.panel = new ColorPanel(this.model);

        this.slider = new DiagramComponent(this.panel, false);

        this.diagram = new DiagramComponent(this.panel, true);

        this.text = new JFormattedTextField();

        this.label = new JLabel(null, null, SwingConstants.RIGHT);

        ValueFormatter.init(6, true, this.text);

    }

    @Override

    public void setEnabled(boolean enabled) {

        super.setEnabled(enabled);

        setEnabled(this, enabled);

    }

    private static void setEnabled(Container container, boolean enabled) {

        for (Component component : container.getComponents()) {

            component.setEnabled(enabled);

            if (component instanceof Container) {

                setEnabled((Container) component, enabled);

            }

        }

    }

    @Override

    public void updateChooser() {

        Color color = getColorFromModel();

        if (color != null) {

            this.panel.setColor(color);

            this.text.setValue(Integer.valueOf(color.getRGB()));

            this.slider.repaint();

            this.diagram.repaint();

        }

    }

    @Override

    protected void buildChooser() {

        if (0 == getComponentCount()) {

            setLayout(new GridBagLayout());

            GridBagConstraints gbc = new GridBagConstraints();

            gbc.gridx = 3;

            gbc.gridwidth = 2;

            gbc.weighty = 1.0;

            gbc.anchor = GridBagConstraints.NORTH;

            gbc.fill = GridBagConstraints.HORIZONTAL;

            gbc.insets.top = 10;

            gbc.insets.right = 10;

            add(this.panel, gbc);

            gbc.gridwidth = 1;

            gbc.weightx = 1.0;

            gbc.weighty = 0.0;

            gbc.anchor = GridBagConstraints.CENTER;

            gbc.insets.right = 5;

            gbc.insets.bottom = 10;

            add(this.label, gbc);

            gbc.gridx = 4;

            gbc.weightx = 0.0;

            gbc.insets.right = 10;

            add(this.text, gbc);

            gbc.gridx = 2;

            gbc.gridheight = 2;

            gbc.anchor = GridBagConstraints.NORTH;

            gbc.ipadx = this.text.getPreferredSize().height;

            gbc.ipady = getPreferredSize().height;

            add(this.slider, gbc);

            gbc.gridx = 1;

            gbc.insets.left = 10;

            gbc.ipadx = gbc.ipady;

            add(this.diagram, gbc);

            this.label.setLabelFor(this.text);

            this.text.addPropertyChangeListener("value", this); // NON-NLS: the property name

            this.slider.setBorder(this.text.getBorder());

            this.diagram.setBorder(this.text.getBorder());

            setInheritsPopupMenu(this, true); // CR:4966112

        }

        String label = this.model.getText(this, "HexCode"); // NON-NLS: suffix

        boolean visible = label != null;

        this.text.setVisible(visible);

        this.text.getAccessibleContext().setAccessibleDescription(label);

        this.label.setVisible(visible);

        if (visible) {

            this.label.setText(label);

            int mnemonic = this.model.getInteger(this, "HexCodeMnemonic"); // NON-NLS: suffix

            if (mnemonic > 0) {

                this.label.setDisplayedMnemonic(mnemonic);

                mnemonic = this.model.getInteger(this, "HexCodeMnemonicIndex"); // NON-NLS: suffix

                if (mnemonic >= 0) {

                    this.label.setDisplayedMnemonicIndex(mnemonic);

                }

            }

        }

        this.panel.buildPanel();

    }

    @Override

    public String getDisplayName() {

        return this.model.getText(this, "Name"); // NON-NLS: suffix

    }

    @Override

    public int getMnemonic() {

        return this.model.getInteger(this, "Mnemonic"); // NON-NLS: suffix

    }

    @Override

    public int getDisplayedMnemonicIndex() {

        return this.model.getInteger(this, "DisplayedMnemonicIndex"); // NON-NLS: suffix

    }

    @Override

    public Icon getSmallDisplayIcon() {

        return null;

    }

    @Override

    public Icon getLargeDisplayIcon() {

        return null;

    }

    public void propertyChange(PropertyChangeEvent event) {

        ColorSelectionModel model = getColorSelectionModel();

        if (model != null) {

            Object object = event.getNewValue();

            if (object instanceof Integer) {

                int value = MASK & model.getSelectedColor().getRGB() | (Integer) object;

                model.setSelectedColor(new Color(value, true));

            }

        }

        this.text.selectAll();

    }

    /**

     * Allows to show context popup for all components recursively.

     *

     * @param component  the root component of the tree

     * @param value      whether or not the popup menu is inherited

     */

    private static void setInheritsPopupMenu(JComponent component, boolean value) {

        component.setInheritsPopupMenu(value);

        for (Object object : component.getComponents()) {

            if (object instanceof JComponent) {

                setInheritsPopupMenu((JComponent) object, value);

            }

        }

    }

}