com.google.mobile.trippy.web.client.view.MenuView.java Source code

Introduction

Here is the source code for com.google.mobile.trippy.web.client.view.MenuView.java

Source

/*
 * Copyright 2010 Google Inc.
 *
 * 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.google.mobile.trippy.web.client.view;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.resources.client.CssResource;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.uibinder.client.UiTemplate;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.mobile.trippy.web.client.presenter.MenuItemPresenter;
import com.google.mobile.trippy.web.client.presenter.MenuPresenter;

/**
 * View for menu.
 * 
 * 
 */
public class MenuView extends Composite implements MenuPresenter.Display {

    /** UI Binder. */
    @UiTemplate("MenuView.ui.xml")
    interface Binder extends UiBinder<Widget, MenuView> {
    }

    /**
     * Style for PopUp.
     * 
     * 
     */
    interface MenuCss extends CssResource {
        String tableTd();
    }

    @UiField
    Label label;
    @UiField
    Label menuPopUpTitle;
    @UiField
    PopupPanel menuPopUp;
    @UiField
    FlexTable flexTable;
    @UiField
    FocusPanel imgClose;
    @UiField
    MenuCss style;

    private int row = 0;
    private int col = 0;
    private static final int MAX_MENU_COL = 2;

    private static Binder uiBinder = GWT.create(Binder.class);

    public MenuView() {
        initWidget(uiBinder.createAndBindUi(this));
        menuPopUp.setModal(true);
        menuPopUp.setGlassEnabled(true);
        menuPopUp.removeFromParent();
        Window.addResizeHandler(new ResizeHandler() {

            @Override
            public void onResize(ResizeEvent event) {
                if (menuPopUp.isShowing()) {
                    menuPopUp.center();
                }
            }
        });
    }

    @Override
    public void add(MenuItemPresenter.Display menuItem) {
        if (col >= MAX_MENU_COL) {
            row++;
            col = 0;
        }
        flexTable.setWidget(row, col, menuItem.asWidget());
        // flexTable.getFlexCellFormatter().setStyleName(row, col, style.tableTd());
        ++col;
    }

    @Override
    public void clearMenuItems() {
        row = 0;
        col = 0;
        flexTable.clear();
    }

    @Override
    public HasClickHandlers getLabel() {
        return label;
    }

    @Override
    public void insert(MenuItemPresenter.Display menuItem, int index) {
        // No-ops.
    }

    @Override
    public boolean isPopupVisible() {
        return menuPopUp.isShowing();
    }

    @Override
    public void remove(MenuItemPresenter.Display menuItem) {
        // No-ops.
    }

    @Override
    public void setPopupVisible(boolean visible) {
        if (visible) {
            menuPopUp.center();
        } else {
            menuPopUp.hide();
        }
    }

    @Override
    public Widget asWidget() {
        return this;
    }

    @UiHandler("imgClose")
    public void onClickClose(ClickEvent event) {
        menuPopUp.removeFromParent();
    }

    @Override
    public void setMenuPopupTitle(String popupTitle) {
        menuPopUpTitle.setText(popupTitle);
    }
}