ws-thredds-sync-widget/src/main/java/org/gcube/portlets/widgets/wsthreddssync/client/dialog/DialogConfirm.java

/**
 *
 */
package org.gcube.portlets.widgets.wsthreddssync.client.dialog;


import org.gcube.portlets.widgets.wsthreddssync.client.resource.Icons;

import com.google.gwt.dom.client.Style.Unit;
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.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;


/**
 * The Class DialogConfirm.
 *
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 * Feb 19, 2015
 */
public class DialogConfirm extends DialogBox implements ClickHandler {

	private DockPanel dock = new DockPanel();
	private Button yesButton;
	private VerticalPanel vpContainer;
	private ImageResource loading = Icons.ICONS.loading();
	private HorizontalPanel hpButtons = new HorizontalPanel();
	private Button noButton;
	/**
	 * Instantiates a new dialog confirm.
	 *
	 * @param img the img
	 * @param caption the caption
	 * @param text the text
	 */
	public DialogConfirm(Image img, String caption, String text) {
		getElement().setClassName("gwt-DialogBoxNew");
		dock.setSpacing(4);
		dock.setWidth("100%");
		setText(caption);
//		setHeading(caption);

		yesButton = new Button("Yes");
		noButton = new Button("No", this);

		noButton.addClickHandler(new ClickHandler() {

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

		vpContainer = new VerticalPanel();
		vpContainer.getElement().getStyle().setMargin(20.0, Unit.PX);
		vpContainer.add(new HTML(text));
		hpButtons = new HorizontalPanel();
		hpButtons.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
//		hpButtons.getElement().getStyle().setMarginTop(20.0, Unit.PX);
		hpButtons.setSpacing(3);
		yesButton.getElement().getStyle().setMarginRight(20.0, Unit.PX);
		hpButtons.add(yesButton);
		hpButtons.add(noButton);

		dock.add(hpButtons, DockPanel.SOUTH);
		dock.setCellHorizontalAlignment(hpButtons, DockPanel.ALIGN_CENTER);

		if (img != null)
			dock.add(img, DockPanel.WEST);

		dock.add(vpContainer, DockPanel.CENTER);
		setWidget(dock);
//		add(dock);
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see
	 * com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event
	 * .dom.client.ClickEvent)
	 */
	@Override
	public void onClick(ClickEvent event) {
//		hide();
	}

	/**
	 * Loader.
	 *
	 * @param message the message
	 */
	public void loader(String message){
		try{
			dock.remove(hpButtons);
		}catch(Exception e){}
		vpContainer.clear();
		HorizontalPanel hpMask = new HorizontalPanel();
		hpMask.add(new Image(loading));
		HTML html = new HTML(message);
		html.getElement().getStyle().setMarginLeft(5, Unit.PX);
		hpMask.add(html);
		vpContainer.add(hpMask);
	}

	/**
	 * Adds the to center panel.
	 *
	 * @param w the w
	 */
	public void addToCenterPanel(Widget w) {
		vpContainer.add(w);
	}

	/**
	 * Gets the dock.
	 *
	 * @return the dock
	 */
	public DockPanel getDock() {
		return dock;
	}

	/**
	 * Gets the yes button.
	 *
	 * @return the yes button
	 */
	public Button getYesButton() {
		return yesButton;
	}

	/**
	 * Gets the no button.
	 *
	 * @return the no button
	 */
	public Button getNoButton() {
		return noButton;
	}
}