org.pepstock.jem.gwt.client.panels.administration.nodesconfig.Separator.java Source code

Introduction

Here is the source code for org.pepstock.jem.gwt.client.panels.administration.nodesconfig.Separator.java

Source

/**
JEM, the BEE - Job Entry Manager, the Batch Execution Environment
Copyright (C) 2012-2015   Andrea "Stock" Stocchero
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
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.pepstock.jem.gwt.client.panels.administration.nodesconfig;

import org.pepstock.jem.gwt.client.Sizes;
import org.pepstock.jem.gwt.client.commons.Images;

import com.google.gwt.dom.client.Style.Cursor;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;

/**
 * @author Andrea "Stock" Stocchero
 * @version 1.4
 */
public class Separator extends HorizontalPanel {

    /**
     * Default width
     */
    public static final int WIDTH = 6;

    private final Image closeIcon = new Image(Images.INSTANCE.tabLeft());

    private final Image openIcon = new Image(Images.INSTANCE.tabRight());

    private boolean open = true;

    private SeparatorListener listener = null;

    /**
     * 
     */
    public Separator() {
        setWidth(Sizes.toString(WIDTH));
        add(closeIcon);
        setCellVerticalAlignment(closeIcon, ALIGN_MIDDLE);
        closeIcon.getElement().getStyle().setCursor(Cursor.POINTER);
        closeIcon.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                setOpen(false);
            }
        });

        openIcon.setVisible(false);
        add(openIcon);
        setCellVerticalAlignment(openIcon, ALIGN_MIDDLE);
        openIcon.getElement().getStyle().setCursor(Cursor.POINTER);
        openIcon.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                setOpen(true);
            }
        });
    }

    /**
     * @return the opened
     */
    public boolean isOpen() {
        return open;
    }

    /**
     * @param opened the opened to set
     */
    public void setOpen(boolean opened) {
        if (this.open != opened) {
            this.open = opened;
            handleClick();
        }
    }

    /**
     * @return the closeIcon
     */
    public Image getCloseIcon() {
        return closeIcon;
    }

    /**
     * @return the openIcon
     */
    public Image getOpenIcon() {
        return openIcon;
    }

    /**
     * @return the listener
     */
    public SeparatorListener getListener() {
        return listener;
    }

    /**
     * @param listener the listener to set
     */
    public void setListener(SeparatorListener listener) {
        this.listener = listener;
    }

    private void handleClick() {
        if (open) {
            openIcon.setVisible(false);
            closeIcon.setVisible(true);
        } else {
            closeIcon.setVisible(false);
            openIcon.setVisible(true);
        }
        if (listener != null) {
            listener.changeSeparator(open);
        }
    }

}