silverstripe-framework/dev/DebugView.php

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<?php
/**
* @package sapphire
* @subpackage dev
*/
/**
* A basic HTML wrapper for stylish rendering of a developement info view.
* Used to output error messages, and test results.
*
* @package sapphire
* @subpackage dev
*/
class DebugView {
/**
* Generate breadcrumb links to the URL path being displayed
*
* @return string
*/
public function Breadcrumbs() {
$basePath = str_replace(Director::protocolAndHost(), '', Director::absoluteBaseURL());
$parts = explode('/', str_replace($basePath, '', $_SERVER['REQUEST_URI']));
$base = Director::absoluteBaseURL();
$path = "";
$pathPart = "";
foreach($parts as $part) {
if ($part != '') {
$pathPart .= "$part/";
$path .= "<a href=\"$base$pathPart\">$part</a>&rarr;&nbsp;";
}
}
return $path;
}
/**
* Render HTML header for development views
*/
public function writeHeader() {
echo '<!DOCTYPE html><html><head><title>'. $_SERVER['REQUEST_METHOD'] . ' ' .$_SERVER['REQUEST_URI'] .'</title>';
echo '<style type="text/css">';
echo 'body { background-color:#eee; margin:0; padding:0; font-family:Helvetica,Arial,sans-serif; }';
echo '.info { border-bottom:1px dotted #333; background-color:#ccdef3; margin:0; padding:6px 12px; }';
echo '.info h1 { margin:0; padding:0; color:#333; letter-spacing:-2px; }';
echo '.header { margin:0; border-bottom:6px solid #ccdef3; height:23px; background-color:#666673; padding:4px 0 2px 6px; background-image:url('.Director::absoluteBaseURL().'cms/images/mainmenu/top-bg.gif); }';
echo '.trace { padding:6px 12px; }';
echo '.trace li { font-size:14px; margin:6px 0; }';
echo 'pre { margin-left:18px; }';
echo 'pre span { color:#999;}';
echo 'pre .error { color:#f00; }';
echo '.pass { margin-top:18px; padding:2px 20px 2px 40px; color:#006600; background:#E2F9E3 url('.Director::absoluteBaseURL() .'cms/images/alert-good.gif) no-repeat scroll 7px 50%; border:1px solid #8DD38D; }';
echo '.fail { margin-top:18px; padding:2px 20px 2px 40px; color:#C80700; background:#FFE9E9 url('.Director::absoluteBaseURL() .'cms/images/alert-bad.gif) no-repeat scroll 7px 50%; border:1px solid #C80700; }';
echo '.failure span { color:#C80700; font-weight:bold; }';
echo '</style></head>';
echo '<body>';
echo '<div class="header"><img src="'. Director::absoluteBaseURL() .'cms/images/mainmenu/logo.gif" width="26" height="23"></div>';
}
/**
* Render the information header for the view
*
* @param string $title
* @param string $title
*/
public function writeInfo($title, $subtitle, $description=false) {
echo '<div class="info">';
echo "<h1>$title</h1>";
echo "<h3>$subtitle</h3>";
if ($description) {
echo "<p>$description</p>";
} else {
echo $this->Breadcrumbs();
}
echo '</div>';
}
/**
* Render HTML footer for development views
*/
public function writeFooter() {
echo "</body></html>";
}
/**
* Write information about the error to the screen
*/
public function writeError($httpRequest, $errno, $errstr, $errfile, $errline, $errcontext) {
echo '<div class="info">';
echo "<h1>" . strip_tags($errstr) . "</h1>";
echo "<h3>$httpRequest</h3>";
echo "<p>Line <strong>$errline</strong> in <strong>$errfile</strong></p>";
echo '</div>';
}
/**
* Write a fragment of the a source file
* @param $lines An array of file lines; the keys should be the original line numbers
*/
function writeSourceFragment($lines, $errline) {
echo '<div class="trace"><h3>Source</h3>';
echo '<pre>';
foreach($lines as $offset => $line) {
$line = htmlentities($line);
if ($offset == $errline) {
echo "<span>$offset</span> <span class=\"error\">$line</span>";
} else {
echo "<span>$offset</span> $line";
}
}
echo '</pre>';
}
/**
* Write a backtrace
*/
function writeTrace() {
echo '<h3>Trace</h3>';
Debug::backtrace();
echo '</div>';
}
}
?>