1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Bridges\ApplicationLatte;
  9: 
 10: use Nette;
 11: use Latte;
 12: use Latte\MacroNode;
 13: use Latte\PhpWriter;
 14: use Latte\CompileException;
 15: use Nette\Utils\Strings;
 16: 
 17: 
 18: /**
 19:  * Macros for Nette\Application\UI.
 20:  *
 21:  * - {link destination ...} control link
 22:  * - {plink destination ...} presenter link
 23:  * - {snippet ?} ... {/snippet ?} control snippet
 24:  *
 25:  * @author     David Grudl
 26:  */
 27: class UIMacros extends Latte\Macros\MacroSet
 28: {
 29: 
 30:     public static function install(Latte\Compiler $compiler)
 31:     {
 32:         $me = new static($compiler);
 33:         $me->addMacro('control', array($me, 'macroControl'));
 34: 
 35:         $me->addMacro('href', NULL, NULL, function (MacroNode $node, PhpWriter $writer) use ($me) {
 36:             return ' ?> href="<?php ' . $me->macroLink($node, $writer) . ' ?>"<?php ';
 37:         });
 38:         $me->addMacro('plink', array($me, 'macroLink'));
 39:         $me->addMacro('link', array($me, 'macroLink'));
 40:         $me->addMacro('ifCurrent', array($me, 'macroIfCurrent'), '}'); // deprecated; use n:class="$presenter->linkCurrent ? ..."
 41:     }
 42: 
 43: 
 44:     /**
 45:      * Finishes template parsing.
 46:      * @return array(prolog, epilog)
 47:      */
 48:     public function finalize()
 49:     {
 50:         $prolog = '
 51: // snippets support
 52: if (empty($_l->extends) && !empty($_control->snippetMode)) {
 53:     return Nette\Bridges\ApplicationLatte\UIMacros::renderSnippets($_control, $_b, get_defined_vars());
 54: }';
 55:         return array($prolog, '');
 56:     }
 57: 
 58: 
 59:     /********************* macros ****************d*g**/
 60: 
 61: 
 62:     /**
 63:      * {control name[:method] [params]}
 64:      */
 65:     public function macroControl(MacroNode $node, PhpWriter $writer)
 66:     {
 67:         $words = $node->tokenizer->fetchWords();
 68:         if (!$words) {
 69:             throw new CompileException('Missing control name in {control}');
 70:         }
 71:         $name = $writer->formatWord($words[0]);
 72:         $method = isset($words[1]) ? ucfirst($words[1]) : '';
 73:         $method = Strings::match($method, '#^\w*\z#') ? "render$method" : "{\"render$method\"}";
 74:         $param = $writer->formatArray();
 75:         if (!Strings::contains($node->args, '=>')) {
 76:             $param = substr($param, $param[0] === '[' ? 1 : 6, -1); // removes array() or []
 77:         }
 78:         return ($name[0] === '$' ? "if (is_object($name)) \$_l->tmp = $name; else " : '')
 79:             . '$_l->tmp = $_control->getComponent(' . $name . '); '
 80:             . 'if ($_l->tmp instanceof Nette\Application\UI\IRenderable) $_l->tmp->redrawControl(NULL, FALSE); '
 81:             . ($node->modifiers === '' ? "\$_l->tmp->$method($param)" : $writer->write("ob_start(); \$_l->tmp->$method($param); echo %modify(ob_get_clean())"));
 82:     }
 83: 
 84: 
 85:     /**
 86:      * {link destination [,] [params]}
 87:      * {plink destination [,] [params]}
 88:      * n:href="destination [,] [params]"
 89:      */
 90:     public function macroLink(MacroNode $node, PhpWriter $writer)
 91:     {
 92:         $node->modifiers = preg_replace('#\|safeurl\s*(?=\||\z)#i', '', $node->modifiers);
 93:         return $writer->using($node, $this->getCompiler())
 94:             ->write('echo %escape(%modify(' . ($node->name === 'plink' ? '$_presenter' : '$_control') . '->link(%node.word, %node.array?)))');
 95:     }
 96: 
 97: 
 98:     /**
 99:      * {ifCurrent destination [,] [params]}
100:      */
101:     public function macroIfCurrent(MacroNode $node, PhpWriter $writer)
102:     {
103:         return $writer->write($node->args
104:             ? 'if ($_presenter->isLinkCurrent(%node.word, %node.array?)) {'
105:             : 'if ($_presenter->getLastCreatedRequestFlag("current")) {'
106:         );
107:     }
108: 
109: 
110:     /********************* run-time helpers ****************d*g**/
111: 
112: 
113:     public static function renderSnippets(Nette\Application\UI\Control $control, \stdClass $local, array $params)
114:     {
115:         $control->snippetMode = FALSE;
116:         $payload = $control->getPresenter()->getPayload();
117:         if (isset($local->blocks)) {
118:             foreach ($local->blocks as $name => $function) {
119:                 if ($name[0] !== '_' || !$control->isControlInvalid((string) substr($name, 1))) {
120:                     continue;
121:                 }
122:                 ob_start();
123:                 $function = reset($function);
124:                 $snippets = $function($local, $params + array('_snippetMode' => TRUE));
125:                 $payload->snippets[$id = $control->getSnippetId((string) substr($name, 1))] = ob_get_clean();
126:                 if ($snippets !== NULL) { // pass FALSE from snippetArea
127:                     if ($snippets) {
128:                         $payload->snippets += $snippets;
129:                     }
130:                     unset($payload->snippets[$id]);
131:                 }
132:             }
133:         }
134:         $control->snippetMode = TRUE;
135:         if ($control instanceof Nette\Application\UI\IRenderable) {
136:             $queue = array($control);
137:             do {
138:                 foreach (array_shift($queue)->getComponents() as $child) {
139:                     if ($child instanceof Nette\Application\UI\IRenderable) {
140:                         if ($child->isControlInvalid()) {
141:                             $child->snippetMode = TRUE;
142:                             $child->render();
143:                             $child->snippetMode = FALSE;
144:                         }
145:                     } elseif ($child instanceof Nette\ComponentModel\IContainer) {
146:                         $queue[] = $child;
147:                     }
148:                 }
149:             } while ($queue);
150:         }
151:     }
152: 
153: }
154: