com.google.gwt.sample.dynatablemvp.client.widgets.TimeSlotListWidget.java Source code

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Here is the source code for com.google.gwt.sample.dynatablemvp.client.widgets.TimeSlotListWidget.java

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/*
 * Copyright 2011 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.gwt.sample.dynatablemvp.client.widgets;

import java.util.List;

import com.google.gwt.cell.client.ClickableTextCell;
import com.google.gwt.cell.client.FieldUpdater;
import com.google.gwt.core.client.GWT;
import com.google.gwt.sample.dynatablemvp.client.presenter.TimeSlotListPresenter;
import com.google.gwt.sample.dynatablemvp.client.presenter.TimeSlotListPresenter.ScheduleRow;
import com.google.gwt.sample.dynatablemvp.client.presenter.TimeSlotListPresenter.WeekDay;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiConstructor;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;

/**
 * Edits a list of time slots.
 */
public class TimeSlotListWidget extends Composite implements TimeSlotListPresenter.Display {

    interface TableResources extends CellTable.Resources {
        @Override
        @Source(value = { CellTable.Style.DEFAULT_CSS, "CellTablePatch.css" })
        CellTable.Style cellTableStyle();
    }

    interface TimeSlotListWidgetUiBinder extends UiBinder<Widget, TimeSlotListWidget> {
    }

    private class WeekDayColumn extends Column<TimeSlotListPresenter.ScheduleRow, String> {
        private WeekDay day;

        public WeekDayColumn(WeekDay day) {
            super(new ClickableTextCell());
            this.day = day;
        }

        @Override
        public String getValue(TimeSlotListPresenter.ScheduleRow row) {
            if (day == null) {
                int hour = row.getHour();
                return Integer.toString(hour <= 12 ? hour : hour - 12) + ":00" + ((hour < 12) ? "AM" : "PM");
            }
            return row.isInUse(day) ? "X" : ".";
        }
    }

    @UiField(provided = true)
    CellTable<TimeSlotListPresenter.ScheduleRow> table;

    private boolean acceptClicks = true;

    @UiConstructor
    public TimeSlotListWidget() {
        table = new CellTable<TimeSlotListPresenter.ScheduleRow>(TimeSlotListPresenter.ROWS_IN_A_DAY,
                GWT.<TableResources>create(TableResources.class));
        table.addColumn(new WeekDayColumn(null), "Hour");
        final WeekDay[] dayValues = WeekDay.values();
        for (WeekDay day : dayValues) {
            WeekDayColumn col = new WeekDayColumn(day);

            class Updater implements FieldUpdater<TimeSlotListPresenter.ScheduleRow, String> {
                private WeekDay columnDay;

                public Updater(WeekDay day) {
                    columnDay = day;
                }

                @Override
                public void update(int index, TimeSlotListPresenter.ScheduleRow row, String value) {
                    if (acceptClicks) {
                        row.toggleInUse(columnDay);
                    }
                }
            }

            FieldUpdater<TimeSlotListPresenter.ScheduleRow, String> fieldUpdater = new Updater(day);
            col.setFieldUpdater(fieldUpdater);
            table.addColumn(col, day.getShortName());
        }

        table.setRowCount(TimeSlotListPresenter.ROWS_IN_A_DAY, false);
        table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED);
        initWidget(GWT.<TimeSlotListWidgetUiBinder>create(TimeSlotListWidgetUiBinder.class).createAndBindUi(this));
    }

    @Override
    public void setRowData(List<ScheduleRow> rows) {
        table.setRowData(rows);
    }

    @Override
    public void redrawTable() {
        table.redraw();
    }

    @Override
    public void setAcceptClicks(boolean acceptClicks) {
        this.acceptClicks = acceptClicks;
    }

    @Override
    public void cleanForm() {
        for (TimeSlotListPresenter.ScheduleRow row : table.getVisibleItems()) {
            for (WeekDay d : WeekDay.values()) {
                if (row.isInUse(d))
                    row.toggleInUse(d);
            }
        }
    }

}