56 lines
1.5 KiB
PHP
56 lines
1.5 KiB
PHP
<?php
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/**
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* Extension to include custom page icons
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*
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* @package cms
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* @subpackage controller
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*/
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class LeftAndMainPageIconsExtension extends Extension {
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public function init() {
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Requirements::customCSS($this->generatePageIconsCss());
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}
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/**
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* Include CSS for page icons. We're not using the JSTree 'types' option
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* because it causes too much performance overhead just to add some icons.
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*
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* @return string CSS
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*/
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public function generatePageIconsCss() {
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$css = '';
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$classes = ClassInfo::subclassesFor('SiteTree');
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foreach($classes as $class) {
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$obj = singleton($class);
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$iconSpec = $obj->stat('icon');
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if(!$iconSpec) continue;
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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)) $iconFile .= '-file.gif';
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$iconPathInfo = pathinfo($iconFile);
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// Base filename
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$baseFilename = $iconPathInfo['dirname'] . '/' . $iconPathInfo['filename'];
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$fileExtension = $iconPathInfo['extension'];
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$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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