edu.nrao.dss.client.widget.ReservationsGrid.java Source code

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Here is the source code for edu.nrao.dss.client.widget.ReservationsGrid.java

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// Copyright (C) 2011 Associated Universities, Inc. Washington DC, USA.
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
// 
// Correspondence concerning GBT software should be addressed as follows:
//       GBT Operations
//       National Radio Astronomy Observatory
//       P. O. Box 2
//       Green Bank, WV 24944-0002 USA

package edu.nrao.dss.client.widget;

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

import com.extjs.gxt.ui.client.data.BaseListLoadResult;
import com.extjs.gxt.ui.client.data.BaseListLoader;
import com.extjs.gxt.ui.client.data.BaseModelData;
import com.extjs.gxt.ui.client.data.HttpProxy;
import com.extjs.gxt.ui.client.data.JsonReader;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.grid.ColumnConfig;
import com.extjs.gxt.ui.client.widget.grid.ColumnModel;
import com.extjs.gxt.ui.client.widget.grid.Grid;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.i18n.client.DateTimeFormat;

import edu.nrao.dss.client.data.ReservationType;
import edu.nrao.dss.client.util.DynamicHttpProxy;

public class ReservationsGrid extends ContentPanel {
    public DynamicHttpProxy<BaseListLoadResult<BaseModelData>> proxy;
    BaseListLoader<BaseListLoadResult<BaseModelData>> loader;

    public ReservationsGrid(Date start, int days) {
        initLayout(start, days);
    }

    private void initLayout(Date start, int days) {
        setHeaderVisible(false);
        setLayout(new FitLayout());
        setAutoHeight(true);

        DateTimeFormat fmt = DateTimeFormat.getFormat("MM/dd/yyyy");
        String startStr = fmt.format(start);

        String rootUrl = "/scheduler/reservations?start=" + startStr + "&days=" + days;

        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, rootUrl);

        JsonReader<BaseListLoadResult<BaseModelData>> reader = new JsonReader<BaseListLoadResult<BaseModelData>>(
                new ReservationType());
        proxy = new DynamicHttpProxy<BaseListLoadResult<BaseModelData>>(builder);
        loader = new BaseListLoader<BaseListLoadResult<BaseModelData>>(proxy, reader);
        ListStore<BaseModelData> store = new ListStore<BaseModelData>(loader);

        ColumnModel cm = initColumnModel();
        Grid<BaseModelData> grid = new Grid<BaseModelData>(store, cm);
        grid.setAutoHeight(true);

        add(grid);
        grid.setBorders(true);
    }

    private ColumnModel initColumnModel() {
        List<ColumnConfig> configs = new ArrayList<ColumnConfig>();

        ColumnConfig column = new ColumnConfig("name", "Name", 100);
        configs.add(column);

        column = new ColumnConfig("start", "Check-in", 70);
        configs.add(column);

        column = new ColumnConfig("end", "Check-out", 70);
        configs.add(column);

        column = new ColumnConfig("pcodes", "Projects", 300);
        configs.add(column);

        return new ColumnModel(configs);
    }

    public void load() {
        loader.load();
    }

    public DynamicHttpProxy<BaseListLoadResult<BaseModelData>> getProxy() {
        return proxy;
    }
}