edu.nrao.dss.client.WindowCalTable.java Source code

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Here is the source code for edu.nrao.dss.client.WindowCalTable.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;

import java.util.Date;

import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;

import edu.nrao.dss.client.data.WindowCalendarData;

public class WindowCalTable extends FlexTable {
    int numCols;
    private String styleBase = "gwt-RcvrSchdGrid-";
    private DateTimeFormat dtFormat = DateTimeFormat.getFormat("yyyy-MM-dd");

    public WindowCalTable() {
        initLayout();
    }

    private void initLayout() {

        addStyleName("cw-FlexTable");
        setCellSpacing(2);
        setCellPadding(1);

    }

    // headers = ["Label", "Start", "date 1" ... "date n", "End"]
    public String[] getHeaders(Date start, int numDays) {
        numCols = numDays + 3;
        String[] headers = new String[numCols];
        String label = "Session (total/billed) Complete?";
        headers[0] = label;
        headers[1] = "Start";
        headers[numCols - 1] = "End";
        long offset;
        long msPerDay = 1000 * 60 * 60 * 24;
        Date[] dates = new Date[numDays];
        for (int i = 0; i < numDays; i++) {
            offset = ((long) i) * msPerDay;
            dates[i] = new Date(start.getTime() + offset);
            headers[i + 2] = dtFormat.format(dates[i]);
        }
        return headers;

    }

    public void renderCalendar(WindowCalendarData[] data, Date start, int numDays) {

        // prepare for rendering
        numCols = numDays + 3;
        String[] headers = getHeaders(start, numDays);

        // start fresh
        clearAll();

        // first the headers - the first row
        int row = 0;
        for (int col = 0; col < numCols; col++) {
            setHTML(0, col, headers[col]);
            getCellFormatter().setHorizontalAlignment(0, col, HasHorizontalAlignment.ALIGN_CENTER);
            getCellFormatter().setStyleName(0, col, styleBase + "header");
            getCellFormatter().setWidth(row, col, "200");
        }

        // now the windows
        row = 0;
        int col = 0;
        for (int i = 0; i < data.length; i++) {
            WindowCalendarData wd = data[i];
            row = i + 1; // first row is the headers
            // first column is the window label
            getCellFormatter().setStyleName(row, 0, styleBase + "off");
            setHTML(row, 0, wd.getLabel());
            // the rest are the days in the calendar for this window
            //for (int day=0; day<numDays; day++) {
            for (int day = 0; day < wd.getDisplayFlags().length; day++) {
                col = day + 1; // first col. is the session label
                String styleName = wd.isDayNumberInWindow(day) ? "on" : "off";
                getCellFormatter().setStyleName(row, col, styleBase + styleName);
                setHTML(row, col, wd.getDayNumberInfo(day));
            }
        }
    }

    private void clearAll() {
        // WTF: I can't believe that this is the only thing that really works - 
        // what a sucky interface!
        int rowCount = getRowCount();
        for (int i = 0; i < rowCount; i++) {
            removeRow(0);
        }
    }
}