MoreOptionsPane.java

/*
 * Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
 *
 * 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 org.esa.snap.rcp.colormanip;

import com.jidesoft.swing.TitledSeparator;
import org.esa.snap.ui.UIUtils;
import org.esa.snap.ui.tool.ToolButtonFactory;

import javax.swing.AbstractButton;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import java.awt.BorderLayout;
import java.awt.Color;

class MoreOptionsPane {
    private static ImageIcon[] icons;
    private static ImageIcon[] rolloverIcons;

    private final ColorManipulationForm colorManipulationForm;
    private final JPanel contentPanel;
    private final JLabel[] headerLabels;
    private final TitledSeparator headerSeparator;
    private final AbstractButton headerButton;

    private JComponent component;
    private boolean collapsed;

    MoreOptionsPane(ColorManipulationForm colorManipulationForm, boolean collapsed) {
        this.colorManipulationForm = colorManipulationForm;

        if (icons == null) {
            icons = new ImageIcon[]{
                    UIUtils.loadImageIcon("icons/PanelUp12.png"),
                    UIUtils.loadImageIcon("icons/PanelDown12.png"),
            };
            rolloverIcons = new ImageIcon[]{
                    ToolButtonFactory.createRolloverIcon(icons[0]),
                    ToolButtonFactory.createRolloverIcon(icons[1]),
            };
        }

        // printDefaults(UIManager.getLookAndFeelDefaults(), "UIManager.getLookAndFeelDefaults()");

        headerLabels = new JLabel[]{
                new JLabel("More Options"),
                new JLabel("Less Options"),
        };
        Color headerLabelColor = UIManager.getLookAndFeelDefaults().getColor("TitledBorder.titleColor");
        if (headerLabelColor != null) {
            headerLabels[0].setForeground(headerLabelColor);
            headerLabels[1].setForeground(headerLabelColor);
        }

        this.component = new JLabel(); // dummy
        this.collapsed = collapsed;

        headerButton = ToolButtonFactory.createButton(icons[0], false);
        headerButton.setName("MoreOptionsPane.headerButton");
        headerButton.addActionListener(e -> setCollapsed(!isCollapsed()));

        final JPanel titleBar = new JPanel(new BorderLayout(2, 2));
        titleBar.add(headerButton, BorderLayout.WEST);
        headerSeparator = new TitledSeparator(headerLabels[0], TitledSeparator.TYPE_PARTIAL_ETCHED, SwingConstants.LEFT);
        headerSeparator.setName("MoreOptionsPane.headerSeparator");
        titleBar.add(headerSeparator, BorderLayout.CENTER);

        contentPanel = new JPanel(new BorderLayout(2, 2));
        contentPanel.add(titleBar, BorderLayout.NORTH);
        contentPanel.setName("MoreOptionsPane.contentPanel");
    }

    public JPanel getContentPanel() {
        return contentPanel;
    }

    public JComponent getComponent() {
        return component;
    }

    public void setComponent(JComponent component) {
        contentPanel.remove(this.component);
        this.component = component;
        updateState();
    }

    public boolean isCollapsed() {
        return collapsed;
    }

    public void setCollapsed(boolean collapsed) {
        this.collapsed = collapsed;
        updateState();
    }

    private void updateState() {
        if (collapsed) {
            contentPanel.remove(this.component);
        } else {
            contentPanel.add(this.component, BorderLayout.CENTER);
        }
        final int i = collapsed ? 0 : 1;
        headerSeparator.setLabelComponent(headerLabels[i]);
        headerButton.setIcon(icons[i]);
        headerButton.setRolloverIcon(rolloverIcons[i]);
        colorManipulationForm.revalidateToolViewPaneControl();
    }
}