/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * 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 com.dmdirc.addons.ui_swing.components.inputfields;

import com.dmdirc.addons.ui_swing.components.colours.ColourPickerDialog;
import com.dmdirc.config.provider.AggregateConfigProvider;
import com.dmdirc.interfaces.ui.InputField;
import com.dmdirc.addons.ui_swing.components.IconManager;
import com.dmdirc.ui.messages.ColourManager;

import java.awt.KeyboardFocusManager;
import java.awt.Window;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.BorderFactory;
import javax.swing.JEditorPane;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicEditorPaneUI;
import javax.swing.text.BadLocationException;

/**
 * JTextPane implementing InputField.
 */
public class TextPaneInputField extends JEditorPane implements InputField,
        PropertyChangeListener {

    /** Serial version UID. */
    private static final long serialVersionUID = 1;
    /** Parent window. */
    private final Window parentWindow;
    /** Colour picker. */
    protected ColourPickerDialog colourPicker;
    /** The config to read settings from. */
    private final AggregateConfigProvider globalConfig;
    /** The colour manager to use when picking colours. */
    private final ColourManager colourManager;
    /** The manager to use to retrieve icons. */
    private final IconManager iconManager;

    /**
     * Creates a new text pane input field.
     *
     * @param parentWindow  Parent window.
     * @param globalConfig  The config to read settings from.
     * @param colourManager The colour manager to use when picking colours.
     * @param iconManager   The manager to use to retrieve icons.
     */
    public TextPaneInputField(
            final Window parentWindow,
            final AggregateConfigProvider globalConfig,
            final ColourManager colourManager,
            final IconManager iconManager) {
        KeyboardFocusManager.getCurrentKeyboardFocusManager().addPropertyChangeListener(this);
        this.parentWindow = parentWindow;
        this.globalConfig = globalConfig;
        this.colourManager = colourManager;
        this.iconManager = iconManager;
    }

    @Override
    public void showColourPicker(final boolean irc, final boolean hex) {
        if (globalConfig.getOptionBool("general", "showcolourdialog")) {
            colourPicker = new ColourPickerDialog(this, colourManager,
                    iconManager, irc, hex, parentWindow);
            colourPicker.addActionListener(actionEvent -> {
                try {
                    getDocument().insertString(getCaretPosition(),
                            actionEvent.getActionCommand(), null);
                } catch (final BadLocationException ex) {
                    //Ignore, wont happen
                }
                colourPicker.dispose();
                colourPicker = null;
            });
            colourPicker.setVisible(true);
            colourPicker.setLocation((int) getLocationOnScreen().getX(),
                    (int) getLocationOnScreen().getY()
                    - colourPicker.getHeight());
        }
    }

    @Override
    public void hideColourPicker() {
        if (colourPicker != null) {
            colourPicker.dispose();
            colourPicker = null;
        }
    }

    @Override
    public void addActionListener(final ActionListener listener) {
        //Ignore
    }

    @Override
    public void removeActionListener(final ActionListener listener) {
        //Ignore
    }

    @Override
    protected void setUI(final ComponentUI newUI) {
        setUI(new BasicEditorPaneUI());
        setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
    }

    @Override
    public void updateUI() {
        setUI(new BasicEditorPaneUI());
        setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
    }

    @Override
    public void propertyChange(final PropertyChangeEvent evt) {
        if (!isFocusOwner()) {
            hideColourPicker();
        }
    }

}