/**
* GetResource
* Return the rendered resource to be used by the client (or a preview)
* for displaying this content.
* @param integer $displayId If this comes from a real client, this will be the display id.
* @return string
*/
public function GetResource($displayId = 0)
{
// Make sure we are set up correctly
if ($this->GetSetting('apiKey') == '' || $this->GetSetting('apiSecret') == '') {
Debug::Error('Twitter Module not configured. Missing API Keys');
return '';
}
// Load in the template
$template = file_get_contents('modules/preview/HtmlTemplate.html');
$isPreview = Kit::GetParam('preview', _REQUEST, _WORD, 'false') == 'true';
// Replace the View Port Width?
if ($isPreview) {
$template = str_replace('[[ViewPortWidth]]', $this->width, $template);
}
// Information from the Module
$duration = $this->duration;
// Generate a JSON string of substituted items.
$items = $this->getTwitterFeed($displayId, $isPreview);
// Return empty string if there are no items to show.
if (count($items) == 0) {
return '';
}
$options = array('type' => $this->type, 'fx' => $this->GetOption('effect', 'none'), 'speed' => $this->GetOption('speed', 500), 'duration' => $duration, 'durationIsPerItem' => $this->GetOption('durationIsPerItem', 0) == 1, 'numItems' => count($items), 'itemsPerPage' => 1, 'originalWidth' => $this->width, 'originalHeight' => $this->height, 'previewWidth' => Kit::GetParam('width', _GET, _DOUBLE, 0), 'previewHeight' => Kit::GetParam('height', _GET, _DOUBLE, 0), 'scaleOverride' => Kit::GetParam('scale_override', _GET, _DOUBLE, 0));
// Replace the control meta with our data from twitter
$controlMeta = '<!-- NUMITEMS=' . count($items) . ' -->' . PHP_EOL . '<!-- DURATION=' . ($this->GetOption('durationIsPerItem', 0) == 0 ? $duration : $duration * count($items)) . ' -->';
$template = str_replace('<!--[[[CONTROLMETA]]]-->', $controlMeta, $template);
// Replace the head content
$headContent = '';
// Add the CSS if it isn't empty
$css = $this->GetRawNode('styleSheet');
if ($css != '') {
$headContent .= '<style type="text/css">' . $css . '</style>';
}
$backgroundColor = $this->GetOption('backgroundColor');
if ($backgroundColor != '') {
$headContent .= '<style type="text/css">body, .page, .item { background-color: ' . $backgroundColor . ' }</style>';
}
// Add our fonts.css file
$headContent .= '<link href="' . ($isPreview ? 'modules/preview/' : '') . 'fonts.css" rel="stylesheet" media="screen">';
$headContent .= '<link href="' . ($isPreview ? 'modules/theme/twitter/' : '') . 'emoji.css" rel="stylesheet" media="screen">';
$headContent .= '<style type="text/css">' . file_get_contents(Theme::ItemPath('css/client.css')) . '</style>';
// Replace the Head Content with our generated javascript
$template = str_replace('<!--[[[HEADCONTENT]]]-->', $headContent, $template);
// Add some scripts to the JavaScript Content
$javaScriptContent = '<script type="text/javascript" src="' . ($isPreview ? 'modules/preview/vendor/' : '') . 'jquery-1.11.1.min.js"></script>';
// Need the cycle plugin?
if ($this->GetSetting('effect') != 'none') {
$javaScriptContent .= '<script type="text/javascript" src="' . ($isPreview ? 'modules/preview/vendor/' : '') . 'jquery-cycle-2.1.6.min.js"></script>';
}
// Need the marquee plugin?
if (stripos($this->GetSetting('effect'), 'marquee')) {
$javaScriptContent .= '<script type="text/javascript" src="' . ($isPreview ? 'modules/preview/vendor/' : '') . 'jquery.marquee.min.js"></script>';
}
$javaScriptContent .= '<script type="text/javascript" src="' . ($isPreview ? 'modules/preview/' : '') . 'xibo-layout-scaler.js"></script>';
$javaScriptContent .= '<script type="text/javascript" src="' . ($isPreview ? 'modules/preview/' : '') . 'xibo-text-render.js"></script>';
$javaScriptContent .= '<script type="text/javascript">';
$javaScriptContent .= ' var options = ' . json_encode($options) . ';';
$javaScriptContent .= ' var items = ' . Kit::jsonEncode($items) . ';';
$javaScriptContent .= ' $(document).ready(function() { ';
$javaScriptContent .= ' $("body").xiboLayoutScaler(options); $("#content").xiboTextRender(options, items); ';
$javaScriptContent .= ' }); ';
$javaScriptContent .= '</script>';
// Replace the Head Content with our generated javascript
$template = str_replace('<!--[[[JAVASCRIPTCONTENT]]]-->', $javaScriptContent, $template);
// Replace the Body Content with our generated text
$template = str_replace('<!--[[[BODYCONTENT]]]-->', '', $template);
return $template;
}
/**
* Json Encode, handling and logging errors
* http://stackoverflow.com/questions/10199017/how-to-solve-json-error-utf8-error-in-php-json-decode
* @param mixed $mixed The item to encode
* @return mixed The Encoded Item
*/
public static function jsonEncode($mixed)
{
if (version_compare(PHP_VERSION, '5.4.0') >= 0) {
$encoded = json_encode($mixed, JSON_PRETTY_PRINT);
} else {
$encoded = json_encode($mixed);
}
switch (json_last_error()) {
case JSON_ERROR_NONE:
return $encoded;
case JSON_ERROR_DEPTH:
Debug::Audit('Maximum stack depth exceeded');
return false;
case JSON_ERROR_STATE_MISMATCH:
Debug::Audit('Underflow or the modes mismatch');
return false;
case JSON_ERROR_CTRL_CHAR:
Debug::Audit('Unexpected control character found');
return false;
case JSON_ERROR_SYNTAX:
Debug::Audit('Syntax error, malformed JSON');
return false;
case JSON_ERROR_UTF8:
$clean = Kit::utf8ize($mixed);
return Kit::jsonEncode($clean);
default:
Debug::Audit('Unknown error');
return false;
}
}
