com.google.gwt.sample.stockwatcher.client.Header.java Source code

Introduction

Here is the source code for com.google.gwt.sample.stockwatcher.client.Header.java

Source

package com.google.gwt.sample.stockwatcher.client;

import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;

public class Header extends Composite {

    public static HorizontalPanel basePanel;
    public static HorizontalPanel leftPanel;
    public static HorizontalPanel rightPanel;
    public static final int HEIGHT = 30;

    public Header() {
        this(null);
    }

    public Header(String msg) {
        basePanel = new HorizontalPanel();
        leftPanel = new HorizontalPanel();
        rightPanel = new HorizontalPanel();

        if (msg == null) {
            msg = Messages.WELCOME;
        }

        leftPanel.clear();
        leftPanel.setStyleName("header-panel");
        leftPanel.add(new HTML(msg));

        rightPanel.clear();
        rightPanel.add(new HTML(Images.getImage(Images.BACKGROUND_LOAD, 30)));
        rightPanel.setVisible(false);

        basePanel.clear();
        basePanel.add(leftPanel);
        basePanel.add(rightPanel);

        basePanel.setCellHorizontalAlignment(leftPanel, HasHorizontalAlignment.ALIGN_LEFT);
        basePanel.setCellHorizontalAlignment(rightPanel, HasHorizontalAlignment.ALIGN_RIGHT);
        basePanel.setCellVerticalAlignment(leftPanel, HasVerticalAlignment.ALIGN_MIDDLE);
        basePanel.setCellVerticalAlignment(rightPanel, HasVerticalAlignment.ALIGN_MIDDLE);

        initWidget(basePanel);
    }

    public static void clear(String msg) {
        leftPanel.clear();
    }

    public static void setHeaderTitle(String msg) {
        leftPanel.clear();
        leftPanel.setStyleName("header-panel");
        leftPanel.add(new HTML(msg));
    }

    public static void showLoading() {
        rightPanel.setVisible(true);
    }

    public static void hideLoading() {
        rightPanel.setVisible(false);
    }

}