org.pepstock.jem.gwt.client.panels.components.Header.java Source code

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Here is the source code for org.pepstock.jem.gwt.client.panels.components.Header.java

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/**
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.components;

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

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.PopupPanel;

/**
 * Header of popup of inspector. 
 * 
 * @author Andrea "Stock" Stocchero
 * @version 1.0   
 *
 */
public abstract class Header extends FlexTable {

    static {
        Styles.INSTANCE.inspector().ensureInjected();
        Styles.INSTANCE.common().ensureInjected();
    }

    protected PopupPanel parent = null;

    /**
     * Creates the component, using an icon, a name and a parent!
     * @param icon the image
     * @param text job name
     * @param parent the parent popup that can be closed by clicking close icon
     */
    public Header(ImageResource icon, String text, PopupPanel parent) {
        this.parent = parent;
        setWidth(Sizes.HUNDRED_PERCENT);
        setHeight(Sizes.toString(Sizes.INSPECTOR_HEADER_HEIGHT_PX));
        setCellSpacing(3);
        addStyleName(Styles.INSTANCE.inspector().gradientBackground());

        /*          0   1                  2
         *       -------------------------------------
         *    0   | ICON NAME                  X   |
         *       -------------------------------------
         */

        RowFormatter rf = getRowFormatter();
        rf.setVerticalAlign(0, HasVerticalAlignment.ALIGN_MIDDLE);

        FlexCellFormatter cf = getFlexCellFormatter();
        // 0-0 > icona
        cf.addStyleName(0, 0, Styles.INSTANCE.inspector().headerDefaultPadding());
        cf.setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_LEFT);
        setWidget(0, 0, new Image(icon));

        // 0-1 > title
        cf.addStyleName(0, 1, Styles.INSTANCE.inspector().headerDefaultPadding());
        cf.setWidth(0, 1, Sizes.HUNDRED_PERCENT);
        cf.setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_LEFT);
        cf.addStyleName(0, 1, Styles.INSTANCE.inspector().main());
        setHTML(0, 1, text);

        // 0-2 > close icon
        cf.addStyleName(0, 2, Styles.INSTANCE.inspector().headerClosePadding());
        Image closeImage = new Image(Images.INSTANCE.close24());
        closeImage.addStyleName(Styles.INSTANCE.common().pointer());
        closeImage.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                onClose(event);
            }
        });
        cf.setVerticalAlignment(0, 2, HasVerticalAlignment.ALIGN_TOP);
        cf.setHorizontalAlignment(0, 2, HasHorizontalAlignment.ALIGN_RIGHT);
        setWidget(0, 2, closeImage);
    }

    /**
     * @param event
     */
    public void onClose(ClickEvent event) {
        parent.hide();
    }

}