92 lines
2.6 KiB
PHP
92 lines
2.6 KiB
PHP
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<?php
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namespace Rails\ActionView\Helper\Methods;
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trait JavaScript
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{
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static private $JS_ESCAPE_MAP = [
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'\\' => '\\\\',
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'</' => '<\/',
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"\r\n" => '\n',
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"\n" => '\n',
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"\r" => '\n',
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'"' => '\\"',
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"'" => "\\'"
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];
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static private $JSON_ESCAPE = [
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'&' => '\u0026',
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'>' => '\u003E',
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'<' => '\u003C'
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];
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public function linkToFunction($link, $function, array $attrs = array())
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{
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$attrs['href'] = '#';
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if ($function) {
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$function = trim($function);
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if (strpos($function, -1) != ';')
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$function .= ';';
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$function .= ' return false;';
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} else
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$function = 'return false;';
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$attrs['onclick'] = $function;
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return $this->contentTag('a', $link, $attrs);
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}
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public function buttonToFunction($name, $function, array $attrs = array())
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{
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$attrs['href'] = '#';
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$function = trim($function);
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if (strpos($function, -1) != ';')
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$function .= ';';
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$function .= ' return false;';
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$attrs['onclick'] = $function;
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$attrs['type'] = 'button';
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$attrs['value'] = $name;
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return $this->tag('input', $attrs);
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}
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public function j($str)
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{
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return $this->escapeJavascript($str);
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}
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public function escapeJavascript($str)
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{
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return str_replace(array_keys(self::$JS_ESCAPE_MAP), self::$JS_ESCAPE_MAP, $str);
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}
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/**
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* $this->javascriptTag('alert("foo")', ['defer' => 'defer']);
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* $this->javascriptTag(['defer' => 'defer'], function() { ... });
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* $this->javascriptTag(function() { ... });
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*/
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public function javascriptTag($contentOrOptionWithBlock, $htmlOptions = null)
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{
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if ($contentOrOptionWithBlock instanceof \Closure) {
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ob_start();
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$contentOrOptionWithBlock();
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$contents = ob_get_clean();
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$htmlOptions = [];
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} elseif ($htmlOptions instanceof \Closure) {
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ob_start();
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$htmlOptions();
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$contents = ob_get_clean();
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$htmlOptions = $contentOrOptionWithBlock;
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} elseif (is_string($contentOrOptionWithBlock)) {
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$contents = $contentOrOptionWithBlock;
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if (!is_array($htmlOptions)) {
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$htmlOptions = [];
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}
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}
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return $this->contentTag('script', $contents, $htmlOptions);
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}
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public function jsonEscape($str)
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{
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return str_replace(array_keys(self::$JSON_ESCAPE), self::$JSON_ESCAPE, $str);
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}
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}
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