63 lines
1.8 KiB
PHP
63 lines
1.8 KiB
PHP
<?php
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namespace SilverStripe\CMS\Controllers;
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use SilverStripe\CMS\Model\SiteTree;
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use SilverStripe\Core\Convert;
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use SilverStripe\View\Requirements;
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use SilverStripe\Core\ClassInfo;
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use SilverStripe\Control\Director;
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use SilverStripe\Core\Extension;
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/**
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* Extension to include custom page icons
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*/
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class LeftAndMainPageIconsExtension extends Extension
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{
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public function init()
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{
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Requirements::customCSS($this->generatePageIconsCss());
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}
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/**
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* Include CSS for page icons. We're not using the JSTree 'types' option
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* because it causes too much performance overhead just to add some icons.
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*
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* @return string CSS
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*/
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public function generatePageIconsCss()
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{
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$css = '';
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$classes = ClassInfo::subclassesFor(SiteTree::class);
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foreach ($classes as $class) {
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$obj = singleton($class);
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$iconSpec = $obj->config()->get('icon');
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if (!$iconSpec) {
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continue;
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}
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// Legacy support: We no longer need separate icon definitions for folders etc.
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$iconFile = (is_array($iconSpec)) ? $iconSpec[0] : $iconSpec;
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// Legacy support: Add file extension if none exists
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if (!pathinfo($iconFile, PATHINFO_EXTENSION)) {
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$iconFile .= '-file.gif';
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}
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$class = Convert::raw2htmlid($class);
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$selector = ".page-icon.class-$class, li.class-$class > a .jstree-pageicon";
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if (Director::fileExists($iconFile)) {
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$css .= "$selector { background: transparent url('$iconFile') 0 0 no-repeat; }\n";
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} else {
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// Support for more sophisticated rules, e.g. sprited icons
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$css .= "$selector { $iconFile }\n";
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}
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}
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return $css;
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}
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}
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