ColumnFactory.php

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<?php

namespace Elgg\Views\TableColumn;

use Elgg\Values;
use Elgg\Views\TableColumn;

class ColumnFactory {

    public function fromView($name, $heading = null, $vars = []) {
        $view = "page/components/column/$name";

        if (!is_string($heading)) {
            if (elgg_language_key_exists("table_columns:fromView:$name")) {
                $heading = elgg_echo("table_columns:fromView:$name");
            } else {
                $title = str_replace('_', ' ', $name);
                $heading = elgg_ucwords($title);
            }
        }

        return new ViewColumn($view, $heading, $vars);
    }

    public function fromProperty($name, $heading = null) {
        if (!is_string($heading)) {
            if (elgg_language_key_exists("table_columns:fromProperty:$name")) {
                $heading = elgg_echo("table_columns:fromProperty:$name");
            } else {
                $title = str_replace('_', ' ', $name);
                $heading = elgg_ucwords($title);
            }
        }

        $renderer = function ($item) use ($name) {
            return $item->{$name};
        };

        return new CallableColumn($renderer, $heading);
    }

    public function fromMethod($name, $heading = null, $args = []) {
        if (!is_string($heading)) {
            if (elgg_language_key_exists("table_columns:fromMethod:$name")) {
                $heading = elgg_echo("table_columns:fromMethod:$name");
            } else {
                $title = str_replace('_', ' ', $name);
                $heading = elgg_ucwords($title);
            }
        }

        $renderer = function ($item) use ($name, $args) {
            return call_user_func_array([$item, $name], $args);
        };

        return new CallableColumn($renderer, $heading);
    }

    public function __call($name, $arguments) {
        // allow event to hijack magic methods
        $column = _elgg_services()->events->triggerResults('table_columns:call', $name, [
            'arguments' => $arguments,
        ]);
        if ($column instanceof TableColumn) {
            return $column;
        }

        if (elgg_language_key_exists("table_columns:fromView:$name")) {
            array_unshift($arguments, $name);
            return call_user_func_array([$this, 'fromView'], $arguments);
        }

        if (elgg_language_key_exists("table_columns:fromProperty:$name")) {
            array_unshift($arguments, $name);
            return call_user_func_array([$this, 'fromProperty'], $arguments);
        }

        if (elgg_language_key_exists("table_columns:fromMethod:$name")) {
            array_unshift($arguments, $name);
            return call_user_func_array([$this, 'fromMethod'], $arguments);
        }

        // empty column and error
        _elgg_services()->logger->error(__CLASS__ . ": No method defined '$name'");
        return new CallableColumn([Values::class, 'getNull'], '');
    }
}