package com.limegroup.gnutella.gui.options.panes;

import javax.swing.JCheckBox;

import com.limegroup.gnutella.gui.WindowsUtils;
import com.limegroup.gnutella.gui.LabeledComponent;
import com.limegroup.gnutella.settings.StartupSettings;
import com.limegroup.gnutella.util.CommonUtils;
import com.limegroup.gnutella.util.MacOSXUtils;

/**
 * This class defines the panel in the options window that allows the user
 * to change whether or not LimeWire should automatically start on system
 * startup.
 */
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public final class StartupPaneItem extends AbstractPaneItem {

    /**
     * Constant for the key of the locale-specific <code>String</code> for the 
     * upload pane check box label in the options window.
     */
    private final String CHECK_BOX_LABEL = 
        "OPTIONS_STARTUP_CHECK_BOX_LABEL";

    /**
     * Constant for the check box that specifies whether or not uploads 
     * should be automatically cleared.
     */
    private final JCheckBox CHECK_BOX = new JCheckBox();


    /**
     * The constructor constructs all of the elements of this 
     * <tt>AbstractPaneItem</tt>.
     *
     * @param key the key for this <tt>AbstractPaneItem</tt> that the
     *            superclass uses to generate locale-specific keys
     */
    public StartupPaneItem(final String key) {
        super(key);
        LabeledComponent comp = 
            new LabeledComponent(CHECK_BOX_LABEL, CHECK_BOX,
                LabeledComponent.LEFT_GLUE);
        add(comp.getComponent());
    }

    /**
     * Defines the abstract method in <tt>AbstractPaneItem</tt>.<p>
     *
     * Sets the options for the fields in this <tt>PaneItem</tt> when the 
     * window is shown.
     */
    public void initOptions() {
        CHECK_BOX.setSelected(StartupSettings.RUN_ON_STARTUP.getValue());
    }

    /**
     * Defines the abstract method in <tt>AbstractPaneItem</tt>.<p>
     *
     * Applies the options currently set in this window.
     */
    public boolean applyOptions() {
        StartupSettings.RUN_ON_STARTUP.setValue(CHECK_BOX.isSelected());
        // If on OSX, add or remove the item from the login items.
        if(CommonUtils.isMacOSX())
            MacOSXUtils.setLoginStatus(CHECK_BOX.isSelected());
        else if(WindowsUtils.isLoginStatusAvailable())
            WindowsUtils.setLoginStatus(CHECK_BOX.isSelected());

        return false;
    }
    
    public boolean isDirty() {
        return StartupSettings.RUN_ON_STARTUP.getValue() != CHECK_BOX.isSelected();
    }
}