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

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

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/*
 * 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.HasClickHandlers;
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.UiTemplate;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.mobile.trippy.web.client.TrippyBundle;
import com.google.mobile.trippy.web.client.presenter.DayListItemPresenter;
import com.google.mobile.trippy.web.client.presenter.DayListPresenter;
import com.google.mobile.trippy.web.client.presenter.TripItemPresenter;
import com.google.mobile.trippy.web.shared.models.IdDayDateTuple;

import com.allen_sauer.gwt.dnd.client.PickupDragController;
import com.allen_sauer.gwt.dnd.client.drop.VerticalPanelDropController;

import java.util.ArrayList;
import java.util.Date;

/**
 * View for DayListPresenter.
 * 
 */
public class DayListView extends Composite implements DayListPresenter.Display {

    /**
     * style class for DayListView.
     */
    public static interface Style extends CssResource {
        String heading();
    }

    /**
     * UI Binder to bind java and xml codes
     */
    @UiTemplate("DayListView.ui.xml")
    interface Binder extends UiBinder<Widget, DayListView> {
    }

    @UiField
    VerticalPanel daysList;
    @UiField
    Button saveButton;
    @UiField
    Style style;

    private PickupDragController dragController;
    private VerticalPanelDropController widgetDropController;
    public final String imageUrl = TrippyBundle.INSTANCE.greenDot().getURL();
    private static Binder uiBinder = GWT.create(Binder.class);
    private final String noPos = "No Position";

    public DayListView() {
        super();
        initWidget(uiBinder.createAndBindUi(this));
        dragController = new PickupDragController(RootPanel.get(), false);
        dragController.setBehaviorConstrainedToBoundaryPanel(false);
        widgetDropController = new VerticalPanelDropController(daysList);
        dragController.registerDropController(widgetDropController);
        saveButton.setVisible(false);
    }

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

    @Override
    public void addDay(DayListItemPresenter.Display dayDisplay, int day) {
        Label itemPos = new Label(noPos);
        itemPos.setVisible(false);
        Label dayLabel = new Label("" + day);
        dayLabel.setVisible(false);
        FlowPanel panel = new FlowPanel();
        panel.add(itemPos);
        panel.add(dayLabel);
        panel.add(dayDisplay.asWidget());

        daysList.add(panel);
    }

    @Override
    public void addTripItem(TripItemPresenter.Display tripItemDisplay, String key) {
        Image heading = new Image(imageUrl);
        heading.setVisible(false);
        heading.setStyleName(style.heading());
        Label itemPos = new Label(key);
        itemPos.setVisible(false);

        FlowPanel panel = new FlowPanel();
        panel.add(itemPos);
        panel.add(heading);
        panel.add(tripItemDisplay.asWidget());

        daysList.add(panel);
        dragController.makeDraggable(panel, heading);
    }

    @Override
    public void clear() {
        daysList.clear();
    }

    @Override
    public HasClickHandlers getSaveButton() {
        return saveButton;
    }

    @Override
    public ArrayList<IdDayDateTuple> getReorderedItems() {
        final Date currTime = new Date();

        int day = 0;
        ArrayList<IdDayDateTuple> itemTuples = new ArrayList<IdDayDateTuple>();
        for (int index = 0; index < daysList.getWidgetCount(); index++) {
            FlowPanel panel = (FlowPanel) daysList.getWidget(index);
            Label itemPos = (Label) panel.getWidget(0);
            String itemPosText = itemPos.getText();
            if (!itemPosText.equals(noPos)) {
                itemTuples.add(new IdDayDateTuple(itemPosText, day, currTime));
            } else {
                Label dayLabel = (Label) panel.getWidget(1);
                day = Integer.parseInt(dayLabel.getText());
            }
        }
        return itemTuples;
    }
}