com.kpg.diary.ui.MenuLayout.java Source code

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Here is the source code for com.kpg.diary.ui.MenuLayout.java

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/*
 * Copyright 2000-2014 Vaadin Ltd.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.kpg.diary.ui;

import java.util.Map;
import java.util.Map.Entry;

import org.springframework.context.annotation.Scope;

import com.kpg.diary.constants.IConstants;
import com.vaadin.navigator.Navigator;
import com.vaadin.server.FontAwesome;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.spring.annotation.UIScope;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.themes.ValoTheme;

/**
 * The Class MenuLayout.
 *
 * @author Ankit Sood Dec 6, 2016
 */
@org.springframework.stereotype.Component
//@Scope("prototype")
@UIScope
public class MenuLayout extends HorizontalLayout {

    /**
     * 
     */
    private static final long serialVersionUID = 8686924363838198204L;

    private Map<String, String> menuItems = null;
    private CssLayout menu = new CssLayout();
    private CssLayout menuItemsLayout = new CssLayout();
    private CssLayout contentArea = new CssLayout();
    private CssLayout menuArea = new CssLayout();

    public CssLayout getMenu() {
        return menu;
    }

    /**
     * Instantiates a new menu layout.
     */
    public MenuLayout() {
        setSizeFull();
        menuArea.setPrimaryStyleName(ValoTheme.MENU_ROOT);
        contentArea.setPrimaryStyleName("valo-content");
        contentArea.addStyleName("v-scrollable");
        contentArea.setSizeFull();
        addComponents(menuArea, contentArea);
        setExpandRatio(contentArea, 1);
    }

    /**
     * Gets the content container.
     *
     * @return the content container
     */
    public ComponentContainer getContentContainer() {
        return contentArea;
    }

    /**
     * Adds the menu.
     *
     * @param menu
     *            the menu
     */
    private void addMenu(Component menu) {
        menu.addStyleName(ValoTheme.MENU_PART);
        menuArea.addComponent(menu);
    }

    /**
     * Creates the menu.
     *
     * @param navigator
     *            the navigator
     */
    public void createMenu(Navigator navigator) {
        addMenu(buildMenu(navigator));
    }

    /**
     * Builds the menu.
     *
     * @param navigator
     *            the navigator
     * @return the css layout
     */
    private CssLayout buildMenu(Navigator navigator) {
        // Add items
        menuItemsMap();
        HorizontalLayout top = new HorizontalLayout();
        top.setWidth("100%");
        top.addStyleName(ValoTheme.MENU_TITLE);

        top.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT);
        top.addStyleName(ValoTheme.MENU_TITLE);
        menu.addComponent(top);
        // menu.addComponent(createThemeSelect());
        menu.addComponent(top);
        Button showMenu = new Button("Menu", new ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                if (menu.getStyleName().contains("valo-menu-visible")) {
                    menu.removeStyleName("valo-menu-visible");
                } else {
                    menu.addStyleName("valo-menu-visible");
                }
            }
        });
        showMenu.addStyleName(ValoTheme.BUTTON_PRIMARY);
        showMenu.addStyleName(ValoTheme.BUTTON_SMALL);
        showMenu.addStyleName("valo-menu-toggle");
        showMenu.setIcon(FontAwesome.LIST);
        menu.addComponent(showMenu);

        Label title = new Label("<h2>Diary</h2>", ContentMode.HTML);
        title.setSizeUndefined();
        top.addComponent(title);
        top.setExpandRatio(title, 1);
        menuItemsLayout.setPrimaryStyleName("valo-menuitems");
        menu.addComponent(menuItemsLayout);
        for (final Entry<String, String> item : menuItems.entrySet()) {
            Button b = new Button(item.getValue(), new ClickListener() {
                @Override
                public void buttonClick(ClickEvent event) {
                    navigator.navigateTo(item.getKey());
                }
            });
            b.setHtmlContentAllowed(true);
            b.setPrimaryStyleName(ValoTheme.MENU_ITEM);
            if (IConstants.NavigationMenu.ADDRESS.getKey().equals(item.getKey())) {
                b.setIcon(FontAwesome.BOOK);
            } else if (IConstants.NavigationMenu.PERSON.getKey().equals(item.getKey())) {
                b.setIcon(FontAwesome.USER);
            } else {
                b.setIcon(FontAwesome.APPLE);
            }
            menuItemsLayout.addComponent(b);
        }
        return menu;
    }

    /**
     * add items in navigation menu section.
     */
    private void menuItemsMap() {
        menuItems = new java.util.LinkedHashMap<String, String>();
        menuItems.put(IConstants.NavigationMenu.PERSON.getKey(), IConstants.NavigationMenu.PERSON.getLblName());
        menuItems.put(IConstants.NavigationMenu.ADDRESS.getKey(), IConstants.NavigationMenu.ADDRESS.getLblName());
        /*
         * menuItems.put(IConstants.NavigationMenu.ADDRESS_VIEW.getKey(),
         * IConstants.NavigationMenu.ADDRESS_VIEW.getLblName());
         */
    }

}