headerpanel.java

Java的面向对象数据库系统的源代码

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: $
package org.ozoneDB.adminGui.main;

import java.awt.*;
import javax.swing.*;

import org.ozoneDB.adminGui.feature.Feature;
import org.ozoneDB.adminGui.res.Images;
import org.ozoneDB.adminGui.res.Settings;

/**
 * @author Per Nyfelt
 */
public class HeaderPanel extends JPanel {

    private static final Dimension DIMENSION = new Dimension(Settings.HEADER_WIDTH, Settings.HEADER_HEIGHT);
    private static final Font HEADER_FONT = new Font(null, Font.PLAIN, 20);

    private static final String NOT_CONNECTED = "Not connected";

    private JLabel dbInfoLabel;
    private JLabel featureLabel;
    private JLabel dashLabel;
    private JLabel imageLabel;
    private JLabel connectionLabel;
    ImageIcon connectedIcon = new ImageIcon(this.getClass().getResource(Images.IMAGE_CONNECTED));
    ImageIcon disconnectedIcon = new ImageIcon(this.getClass().getResource(Images.IMAGE_DISCONNECTED));

    public HeaderPanel(String featureName) {
        initPanel();
        this.setLayout(new GridBagLayout());

        GridBagConstraints gbc = new GridBagConstraints();
        gbc.anchor = GridBagConstraints.WEST;
        gbc.insets = new Insets(2, 2, 2, 2);

        gbc.weightx = 0;
        connectionLabel = new JLabel(new ImageIcon(this.getClass().getResource(Images.IMAGE_DISCONNECTED)));
        this.add(connectionLabel, gbc);

        gbc.weightx = 1;
        dbInfoLabel = new JLabel(NOT_CONNECTED);
        formatLabel(dbInfoLabel);
        add(dbInfoLabel, gbc);

        gbc.anchor = GridBagConstraints.EAST;
        featureLabel = new JLabel(featureName);
        formatLabel(featureLabel);
        add(featureLabel, gbc);


        dashLabel = new JLabel(" - ");
        formatLabel(dashLabel);
        add(dashLabel, gbc);
        dashLabel.setVisible(false);

        gbc.weightx = 0;
        //imageLabel = new JLabel(new ImageIcon(this.getClass().getResource(Images.IMAGE_LOGO)));
        imageLabel = new JLabel();
        this.add(imageLabel, gbc);
    }

    private void initPanel() {
        setPreferredSize(DIMENSION);
        setMaximumSize(DIMENSION);
        setMinimumSize(DIMENSION);
        setBackground(Color.white);
        setBorder(BorderFactory.createEmptyBorder());
        //setBorder(BorderFactory.createLineBorder(Constants.COLOR_COBALT));
    }

    public void setHeader(Feature feature) {
        setFeatureName(feature.getName());
        setImage(feature.getImage());
    }

    private void setFeatureName(String featureName) {
        dashLabel.setVisible(false);
        featureLabel.setText(featureName);
    }


    public void setSearchable(String searchable) {
        dbInfoLabel.setText(searchable);
    }

    private void setImage(ImageIcon image) {
        imageLabel.setIcon(image);
    }

    private void formatLabel(JLabel label) {
        label.setHorizontalAlignment(JLabel.LEFT);
        label.setForeground(Color.darkGray);
        label.setFont(HEADER_FONT);
    }

    public String getSearchable() {
        return dbInfoLabel.getText();
    }

    public void setConnected(String url) {
        connectionLabel.setIcon(connectedIcon);
        dbInfoLabel.setText(url);
    }

    public void setDisConnected() {
        connectionLabel.setIcon(disconnectedIcon);
        dbInfoLabel.setText(NOT_CONNECTED);
    }
}