IHMPlotContextFileClass.php
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<?php
class IHMPlotContextFileClass
{
public static function parse($filePath)
{
if (!file_exists($filePath))
return array("success" => false, "message" => "Cannot load plot context file");
$doc = new DOMDocument("1.0", "UTF-8");
$doc->preserveWhiteSpace = false;
$doc->formatOutput = true;
if (!$doc->load($filePath))
return array("success" => false, "message" => "Cannot load plot context file");
//<page>
$pageNodes = $doc->getElementsByTagName('page');
if ($pageNodes->length <= 0)
return array("success" => false, "message" => "Cannot load context page node");
$pageNode = $pageNodes->item(0);
$isPortrait = $pageNode->getAttribute('portrait') == "true";
$pageContext = array(
'startTime' => $pageNode->getAttribute('startTime'),
'stopTime' => $pageNode->getAttribute('stopTime'),
'superposeMode' => ($pageNode->getAttribute('superposeMode') == "true"),
'ttName' => $pageNode->getAttribute('ttName'),
'ttIndex' => ($pageNode->getAttribute('ttIndex') == '') ? 0 : intval($pageNode->getAttribute('ttIndex')),
'ttNbIntervals' => ($pageNode->getAttribute('ttNbIntervals') == '') ? 0 : intval($pageNode->getAttribute('ttNbIntervals')),
'portrait' => $isPortrait,
//An image rotation of 90 deg. is done after request execution if a page is in "portrait" mode
'width' => ($isPortrait ? intval($pageNode->getAttribute('height')) : intval($pageNode->getAttribute('width'))),
'height' => ($isPortrait ? intval($pageNode->getAttribute('width')) : intval($pageNode->getAttribute('height'))),
'panels' => array()
);
//<panel>
$panelNodes = $pageNode->getElementsByTagName('panel');
foreach ($panelNodes as $panelNode) {
$panelContext = array(
'id' => $panelNode->getAttribute('id')
);
if ($isPortrait) {
$panelContext['x'] = intval($panelNode->getAttribute('y'));
$panelContext['width'] = intval($panelNode->getAttribute('height'));
$panelContext['height'] = intval($panelNode->getAttribute('width'));
$panelContext['y'] = $pageContext['height'] - intval($panelNode->getAttribute('x')) - $panelContext['height'];
} else {
$panelContext['x'] = intval($panelNode->getAttribute('x'));
$panelContext['height'] = intval($panelNode->getAttribute('height'));
$panelContext['y'] = $pageContext['height'] - intval($panelNode->getAttribute('y')) - $panelContext['height'];
$panelContext['width'] = intval($panelNode->getAttribute('width'));
}
//Parameters
$PARAMETERS_TAG = 'parameters';
$parametersNodes = $panelNode->getElementsByTagName($PARAMETERS_TAG);
$PARAMETER_TAG = 'parameter';
if ($parametersNodes->length > 0) {
$panelContext[$PARAMETERS_TAG] = array();
$parametersNode = $parametersNodes->item(0);
$items = $parametersNode->getElementsByTagName($PARAMETER_TAG);
foreach ($items as $item) {
$pContext = array(
'id' => $item->getAttribute('id'),
'MinSampling' => $item->getAttribute('MinSampling')
);
//<catalog> or <timetable>
$catalogNodes = $item->getElementsByTagName('catalog');
$timetableNodes = $item->getElementsByTagName('timetable');
if (($catalogNodes->length > 0) || ($timetableNodes->length > 0)) {
$isCatalog = FALSE;
if ($catalogNodes->length > 0) {
$isCatalog = TRUE;
$ttorcatNode = $catalogNodes->item(0);
}
else {
$ttorcatNode = $timetableNodes->item(0);
}
$ttOrCatContext = array(
'name' => $ttorcatNode->getAttribute('name'),
'columnToShow' => $ttorcatNode->getAttribute('columnToShow'),
);
if ($isCatalog) {
//<columns>
$columnsNodes = $ttorcatNode->getElementsByTagName('columns');
if ($columnsNodes->length > 0) {
$ttOrCatContext['columns'] = [];
$columnNodes = $columnsNodes->item(0)->getElementsByTagName('column');
foreach ($columnNodes as $columnNode) {
$ttOrCatContext['columns'][$columnNode->getAttribute('id')] = array(
'name' => $columnNode->getAttribute('name')
);
}
}
}
//<intervals>
$intervalsNodes = $ttorcatNode->getElementsByTagName('intervals');
if ($intervalsNodes->length > 0) {
$ttOrCatContext['intervals'] = [];
$intervalNodes = $intervalsNodes->item(0)->getElementsByTagName('interval');
foreach ($intervalNodes as $intervalNode) {
$intervalContext = array(
'start' => $intervalNode->getAttribute('startTime'),
'stop' => $intervalNode->getAttribute('stopTime'),
);
if ($isCatalog) {
$intervalContext['params'] = array();
$paramNodes = $intervalNode->getElementsByTagName('param');
if ($paramNodes->length > 0) {
foreach ($paramNodes as $paramNode) {
$intervalContext['params'][$paramNode->getAttribute('id')] = $paramNode->getAttribute('val');
}
}
}
$ttOrCatContext['intervals'][$intervalNode->getAttribute('id')] = $intervalContext;
}
}
$pContext['ttorcat'] = $ttOrCatContext;
}
$panelContext[$PARAMETERS_TAG][] = $pContext;
}
}
//<plotArea>
$plotAreaNodes = $panelNode->getElementsByTagName('plotArea');
if ($plotAreaNodes->length > 0) {
$panelContext['plotArea'] = array();
$plotAreaNode = $plotAreaNodes->item(0);
if ($isPortrait) {
$panelContext['plotArea']['x'] = intval($plotAreaNode->getAttribute('y'));
$panelContext['plotArea']['width'] = intval($plotAreaNode->getAttribute('height'));
$panelContext['plotArea']['height'] = intval($plotAreaNode->getAttribute('width'));
$panelContext['plotArea']['y'] = $pageContext['height'] - intval($plotAreaNode->getAttribute('x')) - $panelContext['plotArea']['height'];
} else {
$panelContext['plotArea']['x'] = intval($plotAreaNode->getAttribute('x'));
$panelContext['plotArea']['height'] = intval($plotAreaNode->getAttribute('height'));
$panelContext['plotArea']['y'] = $pageContext['height'] - intval($plotAreaNode->getAttribute('y')) - $panelContext['plotArea']['height'];
$panelContext['plotArea']['width'] = intval($plotAreaNode->getAttribute('width'));
}
//BG COLOR
$panelContext['plotArea']['plotAreaBackgroundColor'] = ($plotAreaNode->getAttribute('plotAreaBackgroundColor'));
//hasSpectro
$panelContext['plotArea']['hasSpectro'] = ($plotAreaNode->getAttribute('hasSpectro') == "true");
//<axis>
$panelContext['plotArea']['axes'] = array();
$axisNodes = $plotAreaNode->getElementsByTagName('axis');
foreach ($axisNodes as $axisNode) {
$axisContext = array(
'id' => $axisNode->getAttribute('id'),
'logarithmic' => ($axisNode->getAttribute('logarithmic') == "true"),
'min' => floatval($axisNode->getAttribute('min')),
'max' => floatval($axisNode->getAttribute('max')),
'colorsList' => $axisNode->getAttribute('colorsList')
);
$panelContext['plotArea']['axes'][] = $axisContext;
}
}
$pageContext['panels'][] = $panelContext;
}
$instantTimeNavNodes = $pageNode->getElementsByTagName('instantTimeNav');
foreach($instantTimeNavNodes as $instantTimeNavNode){
if ($instantTimeNavNode != "")
{
$instantTimeNavContext = array(
'prevTime' => $instantTimeNavNode->getAttribute('prevTime'),
'nextTime' => $instantTimeNavNode->getAttribute('nextTime'),
);
$pageContext['instantTimeNav']= $instantTimeNavContext;
}
}
return array("success" => true, "page" => $pageContext);
}
}