/*
 *  Copyright (C) 2022-2024 JPEXS
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.decompiler.flash.gui;

import java.awt.BorderLayout;
import java.awt.Cursor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

/**
 * @author JPEXS
 */
public class QuickTreeFindPanel extends JPanel implements QuickTreeFilterInterface {

    private List<ActionListener> listeners = new ArrayList<>();

    private JTextField filterField = new MyTextField("");

    public QuickTreeFindPanel() {

        filterField.getDocument().addDocumentListener(new DocumentListener() {
            @Override
            public void changedUpdate(DocumentEvent e) {
                warn();
            }

            @Override
            public void removeUpdate(DocumentEvent e) {
                warn();
            }

            @Override
            public void insertUpdate(DocumentEvent e) {
                warn();
            }

            public void warn() {
                fireAction();
            }
        });

        setLayout(new BorderLayout(4, 0));
        add(filterField, BorderLayout.CENTER);
        add(new JLabel(View.getIcon("search16")), BorderLayout.WEST);
        JLabel closeSearchButton = new JLabel(View.getIcon("cancel16"));
        closeSearchButton.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                filterField.setText("");
                setVisible(false);
                fireAction();
            }
        });
        closeSearchButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        add(closeSearchButton, BorderLayout.EAST);
        setVisible(false);
    }

    private void fireAction() {
        for (ActionListener listener : listeners) {
            listener.actionPerformed(new ActionEvent(this, 0, ""));
        }
    }

    public void addActionListener(ActionListener listener) {
        listeners.add(listener);
    }

    public void removeActionListener(ActionListener listener) {
        listeners.remove(listener);
    }

    public String getFilter() {
        return filterField.getText().trim();
    }

    @Override
    public void setVisible(boolean aFlag) {
        super.setVisible(aFlag);
        if (aFlag) {
            filterField.requestFocusInWindow();
        } else {
            filterField.setText("");
        }
    }

    @Override
    public List<String> getFolders() {
        return new ArrayList<>();
    }    
}