<?php
require_once '../../../config.php';
require_once $CFG->dirroot.'/grade/report/visual/lib.php';
require_once $CFG->libdir.'/phpxml/xml.php';

$visname = required_param('visid');

error_reporting(0);

$vis = grade_report_visual::get_visualization($visname);


$settings = array();
$settings['visualization'] = array();

//$settings['visualization attr'] = array('id' => 1);
//$settings['visualization']['id'] = 1;
$settings['visualization']['name'] = $vis->name;
$settings['visualization']['classname'] = get_class($vis);

$settings['visualization']['layout'] = array();
$settings['visualization']['layout']['type'] = $vis->layout;

$settings['visualization']['layout']['xaxis'] = array();
$settings['visualization']['layout']['yaxis'] = array();
$settings['visualization']['layout']['xaxis']['field'] = 'data.' . $vis->xaxis;
$settings['visualization']['layout']['yaxis']['field'] = 'data.' . $vis->yaxis;
$settings['visualization']['layout']['xaxis']['labelformat'] = $vis->xaxislabelformat;
$settings['visualization']['layout']['yaxis']['labelformat'] = $vis->yaxislabelformat;
$settings['visualization']['layout']['xaxis']['min'] = $vis->xaxismin;
$settings['visualization']['layout']['xaxis']['max'] = $vis->xaxismax;
$settings['visualization']['layout']['yaxis']['min'] = $vis->yaxismin;
$settings['visualization']['layout']['yaxis']['max'] = $vis->yaxismax;
$settings['visualization']['layout']['yaxis']['xoffset'] =$vis->yaxisxoffset;
$settings['visualization']['layout']['yaxis']['yoffset'] =$vis->yaxisyoffset;
$settings['visualization']['layout']['xaxis']['xoffset'] =$vis->xaxisxoffset;
$settings['visualization']['layout']['xaxis']['yoffset'] =$vis->xaxisyoffset;

$settings['visualization']['layout']['setting'] = array();
for($i = 0; $i < count($vis->layoutsettings); $i++) {
    $settings['visualization']['layout']['setting'][$i] = $vis->layoutsettings[$i];
}

$settings['visualization']['edge'] = array();
for($i = 0; $i < count($vis->edges); $i++) {
    $settings['visualization']['edge'][$i] = array();
    
    if(is_array($vis->edges[$i]->sortby)) {
        $settings['visualization']['edge'][$i]['sortby'] = array();
        
        for($k = 0; $k < count($vis->edges[$i]->sortby); $k++) {
            $settings['visualization']['edge'][$i]['sortby'][$k] = 'data.' . $vis->edges[$i]->sortby[$k];
        }
    } else {
        $settings['visualization']['edge'][$i]['sortby'] =  'data.' . $vis->edges[$i]->sortby;
    }
    
    if(is_array($vis->edges[$i]->groupby)) {
        $settings['visualization']['edge'][$i]['groupby'] = array();
        
        for($k = 0; $k < count($vis->edges[$i]->groupby); $k++) {
            $settings['visualization']['edge'][$i]['groupby'][$k] = 'data.' . $vis->edges[$i]->groupby[$k];
        }
    } else {
        $settings['visualization']['edge'][$i]['groupby'] = 'data.' . $vis->edges[$i]->groupby;
    }
}

$settings['visualization']['encoder'] = array();
for($i = 0; $i < count($vis->encoders); $i++) {
    $settings['visualization']['encoder'][$i] = array();
    $settings['visualization']['encoder'][$i]['id'] = $vis->encoders[$i]->id;
    $settings['visualization']['encoder'][$i]['type'] = $vis->encoders[$i]->type;
    $settings['visualization']['encoder'][$i]['datafield'] = 'data.' . $vis->encoders[$i]->datafield;
    $settings['visualization']['encoder'][$i]['setting'] = array();
    for($j = 0; $j < count($vis->encoders[$i]->settings); $j++) {
        $settings['visualization']['encoder'][$i]['setting'][$j] = $vis->encoders[$i]->settings[$j];
    }
}

$settings['visualization']['legend'] = array();
for($i = 0; $i < count($vis->legends); $i++) {
    $settings['visualization']['legend'][$i] = array();
    $settings['visualization']['legend'][$i]['encoderid'] = $vis->legends[$i]->encoder->id;
    $settings['visualization']['legend'][$i]['datafield'] = 'data.' . $vis->legends[$i]->encoder->datafield;
}

/// TODO: add in capabilities data
$settings['visualization']['capabilities'] = array();

$settings['visualization']['flash'] = array();
$settings['visualization']['flash']['width'] = $vis->width;
$settings['visualization']['flash']['height'] = $vis->height;
$settings['visualization']['flash']['framerate'] = $vis->framerate;
$settings['visualization']['flash']['quality'] = $vis->quality;

$settings['visualization']['labels'] = array();
$settings['visualization']['labels']['xaxis'] = $vis->xaxislabel;
$settings['visualization']['labels']['yaxis'] = $vis->yaxislabel;
$settings['visualization']['labels']['title'] = $vis->title;

$settings['visualization']['style'] = array();
$settings['visualization']['style']['nodeshape'] = $vis->nodeshape;
$settings['visualization']['style']['edgeshape'] = $vis->edgeshape;
$settings['visualization']['style']['bgcolor'] = $vis->backgroundcolor;

$settings['visualization']['style']['text'] = array();
$settings['visualization']['style']['text']['font'] = $vis->font;
$settings['visualization']['style']['text']['size'] = $vis->fontsize;

$settings['visualization']['style']['button'] = array();
$settings['visualization']['style']['button']['bgcolor'] = $vis->buttonbgcolor;
$settings['visualization']['style']['button']['alpha'] = $vis->buttonbgalpha;
$settings['visualization']['style']['button']['text'] = array();
$settings['visualization']['style']['button']['text']['font'] = $vis->buttonfont;
$settings['visualization']['style']['button']['text']['size'] = $vis->buttonfontsize;
$settings['visualization']['style']['button']['line'] = array();
$settings['visualization']['style']['button']['line']['size'] = $vis->buttonlinesize;
$settings['visualization']['style']['button']['line']['color'] = $vis->buttonlinecolor;
$settings['visualization']['style']['button']['line']['alpha'] = $vis->buttonlinealpha;

$settings['visualization']['style']['popup'] = array();
$settings['visualization']['style']['popup']['bgcolor'] = $vis->popupbgcolor;
$settings['visualization']['style']['popup']['alpha'] = $vis->popupbgalpha;
$settings['visualization']['style']['popup']['text']  = array();
$settings['visualization']['style']['popup']['text']['font'] = $vis->popupfont;
$settings['visualization']['style']['popup']['text']['size'] = $vis->popupfontsize;
$settings['visualization']['style']['popup']['line'] = array();
$settings['visualization']['style']['popup']['line']['size'] = $vis->popuplinesize;
$settings['visualization']['style']['popup']['line']['color'] = $vis->popuplinecolor;
$settings['visualization']['style']['popup']['line']['alpha'] = $vis->popuplinealpha;

$settings['visualization']['lang'] = array();
$settings['visualization']['lang']['hide'] = get_string('hide', 'gradereport_visual');
$settings['visualization']['lang']['show'] = get_string('show', 'gradereport_visual');
$settings['visualization']['lang']['xlabels'] = get_string('xlabels', 'gradereport_visual');
$settings['visualization']['lang']['ylabels'] = get_string('ylabels', 'gradereport_visual');
$settings['visualization']['lang']['axes'] = get_string('axes', 'gradereport_visual');
$settings['visualization']['lang']['invertaxes'] = get_string('invertaxes', 'gradereport_visual');


$xml = XML_serialize($settings);
echo $xml;

?>