/*
 * Implementation of timeprefbrowse.h
 */

#include <stdio.h>
#include <string.h>
#include <InterViews/message.h>
#include <441/include/paintlabel.h>
#include "time_browser.h"
#include "time_editor.h"


TimeBrowser::TimeBrowser(
	int starttime, int endtime, int granularity) {

    /*
     * Make each editor 10-chars wide for now.  This should probably be a parm.
     */
    numcolumns = 8;

    /*
     * Insert a framed composition of text editors as the only element of this.
     * This is a sublcass of MonoScene, so exactly one interactor can be
     * inserted
     */
    Insert(new Frame(
	ComposeEditors(starttime, endtime, granularity))
    );
}

HBox* TimeBrowser::ComposeEditors(
	int starttime, int endtime, int granularity) {
    int numrows;	/* Value to be returned by ComposeLeftColumn, q.v. */

    /*
     * Build the new hbox to hold all of the editors.
     */
    columns = new HBox();


    /*
     * Insert the left column, containing the hours of the day.
     * ComposeLeftColumn tells us how many rows there are.
     */
    columns->Insert(ComposeLeftColumn(
	starttime, endtime, granularity, numrows));

    /*
     * Stick in each of the five day columns, separated by a vetical line (a
     * VBorder) and some glue.
     */

    columns->Insert(new VBorder);
    columns->Insert(new VGlue(round(0.25 * inch), 0, 0));
    columns->Insert(ComposeColumn("  Mon", numrows, mon));
    columns->Insert(new VBorder);
    columns->Insert(new VGlue(round(0.25 * inch), 0, 0));
    columns->Insert(ComposeColumn("  Tue", numrows, tue));
    columns->Insert(new VBorder);
    columns->Insert(new VGlue(round(0.25 * inch), 0, 0));
    columns->Insert(ComposeColumn("  Wed", numrows, wed));
    columns->Insert(new VBorder);
    columns->Insert(new VGlue(round(0.25 * inch), 0, 0));
    columns->Insert(ComposeColumn("  Thu", numrows, thu));
    columns->Insert(new VBorder);
    columns->Insert(new VGlue(round(0.25 * inch), 0, 0));
    columns->Insert(ComposeColumn("  Fri", numrows, fri));

    /*
     * Return the completed hbox.
     */
    return columns;
}

VBox* TimeBrowser::ComposeLeftColumn(
	int starttime, int endtime, int granularity, int& numrows) {

    TimeEditor* ed;	/* Local copy for filling up purposes. */


    /*
     * Compute the number of rows.
     */
    numrows = (endtime - starttime + 100)/100;	/* Somewhat FAKE for now --
						 * should ask Time class. */

    /*
     * Make a vbox holding the column heading ("Time") and the editor that will
     * hold the hours of the day.  This clearly needs to be expanded to loop
     * through starttime to endtime and stick in the right numbers.
     */
    VBox* vb = new VBox(
	new PaintLabel("Time", "times", "bold", "r", "14"),
	new HBorder,
	ed = new TimeEditor(numrows, numcolumns));

    /*
     * Loop through the times and stick 'em in the editor.
     */
    SetInitialTimes(ed, starttime, numrows);

    /*
     * Return the completed column.
     */
    return vb;
}

void TimeBrowser::SetInitialTimes(
	TimeEditor* ed, int starttime, int numrows) {
    int i,t;
    char tstr[10];

    for (i=1, t=starttime; i<=numrows; i++) {
	sprintf(tstr, "%d\n", t);
	ed->InsertText(tstr, strlen(tstr));
	t += 100;	/* Moderately fake, again call some time module */
    }
}

VBox* TimeBrowser::ComposeColumn(char* label, int numrows, TimeEditor* te) {

    /*
     * Make a vbox holding the colunm label (a day of the week) and the column
     * data.  This needs to be expanded to communicate with the model class to
     * get the actual time prefs data from the instructor database.
     */
    te = new TimeEditor(numrows, numcolumns);
    VBox* vb = new VBox( new PaintLabel(label, "times", "bold", "r", "14"),
	                 new HBorder,
                         te);

    /*
     * Return the completed column.
     */
    return vb;
}