3 * A Menu template engine class
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Core Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class MenuTemplateEngine extends BaseTemplateEngine implements CompileableTemplate {
26 * Main nodes in the XML tree ('menu' is ignored)
28 private $mainNodes = array(
33 * Sub nodes in the XML tree
35 private $subNodes = array(
63 private $menuInstance = null;
68 private $curr = array();
71 * Content from dependency
73 private $dependencyContent = array();
76 * Protected constructor
80 protected function __construct () {
81 // Call parent constructor
82 parent::__construct(__CLASS__);
86 * Creates an instance of the class TemplateEngine and prepares it for usage
88 * @param $appInstance A manageable application
89 * @param $menuInstance A RenderableMenu instance
90 * @return $tplInstance An instance of TemplateEngine
91 * @throws BasePathIsEmptyException If the provided $templateBasePath is empty
92 * @throws InvalidBasePathStringException If $templateBasePath is no string
93 * @throws BasePathIsNoDirectoryException If $templateBasePath is no
94 * directory or not found
95 * @throws BasePathReadProtectedException If $templateBasePath is
98 public final static function createMenuTemplateEngine (ManageableApplication $appInstance, RenderableMenu $menuInstance) {
100 $tplInstance = new MenuTemplateEngine();
102 // Get language and file I/O instances from application
103 $langInstance = $appInstance->getLanguageInstance();
104 $ioInstance = $appInstance->getFileIoInstance();
106 // Determine base path
107 $templateBasePath = $tplInstance->getConfigInstance()->getConfigEntry('application_base_path') . $appInstance->getRequestInstance()->getRequestElement('app') . '/';
109 // Is the base path valid?
110 if (empty($templateBasePath)) {
111 // Base path is empty
112 throw new BasePathIsEmptyException($tplInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
113 } elseif (!is_string($templateBasePath)) {
115 throw new InvalidBasePathStringException(array($tplInstance, $templateBasePath), self::EXCEPTION_INVALID_STRING);
116 } elseif (!is_dir($templateBasePath)) {
118 throw new BasePathIsNoDirectoryException(array($tplInstance, $templateBasePath), self::EXCEPTION_INVALID_PATH_NAME);
119 } elseif (!is_readable($templateBasePath)) {
121 throw new BasePathReadProtectedException(array($tplInstance, $templateBasePath), self::EXCEPTION_READ_PROTECED_PATH);
124 // Get configuration instance
125 $configInstance = FrameworkConfiguration::getInstance();
128 $tplInstance->setTemplateBasePath($templateBasePath);
130 // Set the language and IO instances
131 $tplInstance->setLanguageInstance($langInstance);
132 $tplInstance->setFileIoInstance($ioInstance);
134 // Set template extensions
135 $tplInstance->setRawTemplateExtension($configInstance->getConfigEntry('raw_template_extension'));
136 $tplInstance->setCodeTemplateExtension($configInstance->getConfigEntry('menu_template_extension'));
138 // Absolute output path for compiled templates
139 $tplInstance->setCompileOutputPath($configInstance->getConfigEntry('base_path') . $configInstance->getConfigEntry('compile_output_path'));
141 // Set the menu instance
142 $tplInstance->setMenuInstance($menuInstance);
144 // Init a variable stacker
145 $stackerInstance = ObjectFactory::createObjectByConfiguredName('menu_stacker_class');
148 $tplInstance->setStackerInstance($stackerInstance);
150 // Return the prepared instance
155 * Load a specified menu template into the engine
157 * @param $template The menu template we shall load which is
158 * located in 'menu' by default
161 public function loadMenuTemplate ($template) {
163 $this->setTemplateType($this->getConfigInstance()->getConfigEntry('menu_template_type'));
165 // Load the special template
166 $this->loadTemplate($template);
170 * Getter for current main node
172 * @return $currMainNode Current main node
174 public final function getCurrMainNode () {
175 return $this->curr['main_node'];
179 * Setter for current main node
181 * @param $element Element name to set as current main node
182 * @return $currMainNode Current main node
184 private final function setCurrMainNode ($element) {
185 $this->curr['main_node'] = (string) $element;
189 * Getter for main node array
191 * @return $mainNodes Array with valid main node names
193 public final function getMainNodes () {
194 return $this->mainNodes;
198 * Getter for sub node array
200 * @return $subNodes Array with valid sub node names
202 public final function getSubNodes () {
203 return $this->subNodes;
207 * Handles the start element of an XML resource
209 * @param $resource XML parser resource (currently ignored)
210 * @param $element The element we shall handle
211 * @param $attributes All attributes
213 * @throws InvalidXmlNodeException If an unknown/invalid XML node name was found
215 public function startElement ($resource, $element, array $attributes) {
216 // Initial method name which will never be called...
217 $methodName = 'initMenu';
219 // Make the element name lower-case
220 $element = strtolower($element);
222 // Is the element a main node?
223 //* DEBUG: */ echo "START: >".$element."<<br />\n";
224 if (in_array($element, $this->getMainNodes())) {
225 // Okay, main node found!
226 $methodName = 'start' . $this->convertToClassName($element);
229 $this->setCurrMainNode($element);
230 } elseif (in_array($element, $this->getSubNodes())) {
232 $methodName = 'start' . $this->convertToClassName($element);
233 } elseif ($element != 'menu') {
234 // Invalid node name found
235 throw new InvalidXmlNodeException(array($this, $element, $attributes), XmlParser::EXCEPTION_XML_NODE_UNKNOWN);
239 //* DEBUG: */ echo "call: ".$methodName."<br />\n";
240 call_user_func_array(array($this, $methodName), $attributes);
244 * Ends the main or sub node by sending out the gathered data
246 * @param $resource An XML resource pointer (currently ignored)
247 * @param $nodeName Name of the node we want to finish
249 * @throws XmlNodeMismatchException If current main node mismatches the closing one
251 public function endElement ($resource, $nodeName) {
252 // Make all lower-case
253 $nodeName = strtolower($nodeName);
255 // Does this match with current main node?
256 //* DEBUG: */ echo "END: >".$nodeName."<<br />\n";
257 if (($nodeName != $this->getCurrMainNode()) && (in_array($nodeName, $this->getMainNodes()))) {
259 throw new XmlNodeMismatchException (array($this, $nodeName, $this->getCurrMainNode()), XmlParser::EXCEPTION_XML_NODE_MISMATCH);
262 // Construct method name
263 $methodName = 'finish' . $this->convertToClassName($nodeName);
265 // Call the corresponding method
266 //* DEBUG: */ echo "call: ".$methodName."<br />\n";
267 call_user_func_array(array($this, $methodName), array());
273 * @param $resource XML parser resource (currently ignored)
274 * @param $characters Characters to handle
276 * @todo Find something useful with this!
278 public function characterHandler ($resource, $characters) {
279 // Trim all spaces away
280 $characters = trim($characters);
282 // Is this string empty?
283 if (empty($characters)) {
284 // Then skip it silently
288 // Assign the found characters to variable and use the last entry from
290 parent::assignVariable($this->getStackerInstance()->getNamed('current_node'), $characters);
294 * Handles the template dependency for given node
296 * @param $node The node we should load a dependency template
297 * @param $templateDependency A template to load to satisfy dependencies
300 private function handleTemplateDependency ($node, $templateDependency) {
301 // Is the template dependency set?
302 if ((!empty($templateDependency)) && (!isset($this->dependencyContent[$node]))) {
303 // Get a temporay menu template instance
304 $templateInstance = ObjectFactory::createObjectByConfiguredName('menu_template_class', array($this->getApplicationInstance(), $this->getMenuInstance()));
307 $templateInstance->loadMenuTemplate($templateDependency);
309 // Get an XmlParser instance
310 $templateInstance->renderXmlContent();
312 // Parse the template's content contents
313 $this->dependencyContent[$node] = $templateInstance->getRawTemplateData();
318 * Intializes the menu
320 * @param $templateDependency A template to load to satisfy dependencies
322 * @todo Add cache creation here
324 private function initMenu ($templateDependency = '') {
325 // Get web template engine
326 $this->setTemplateInstance(ObjectFactory::createObjectByConfiguredName('web_template_class', array($this->getApplicationInstance())));
328 // Handle the dependency template
329 $this->handleTemplateDependency('menu', $templateDependency);
331 // Code cleaned up...
332 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
340 private function finishMenu () {
341 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
345 * Starts the menu entries by loading a (maybe) provided template dependency
347 * @param $templateDependency A template to load to satisfy dependencies
350 private function startEntryList ($templateDependency = '') {
351 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
355 * Finishes the menu entries
359 private function finishEntryList () {
360 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
364 * Starts the menu block header
368 private function startBlockHeader () {
369 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
373 * Finishes the menu block header
377 private function finishBlockHeader () {
378 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
382 * Starts the menu block footer
386 private function startBlockFooter () {
387 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
391 * Finishes the menu block footer
395 private function finishBlockFooter () {
396 $this->partialStub('Cleaned because we do not want templates with partly HTML code.');
400 * Starts the menu property 'block-list'
404 private function startBlockList () {
405 // Push the node name on the stacker
406 $this->getStackerInstance()->pushNamed('current_node', 'block-list');
410 * Starts the menu property 'block'
414 private function startBlock () {
415 // Push the node name on the stacker
416 $this->getStackerInstance()->pushNamed('current_node', 'block');
420 * Starts the menu property 'title'
424 private function startTitle () {
425 // Push the node name on the stacker
426 $this->getStackerInstance()->pushNamed('current_node', 'title');
430 * Starts the menu property 'title-id'
434 private function startTitleId () {
435 // Push the node name on the stacker
436 $this->getStackerInstance()->pushNamed('current_node', 'title-id');
440 * Starts the menu property 'title-class'
444 private function startTitleClass () {
445 // Push the node name on the stacker
446 $this->getStackerInstance()->pushNamed('current_node', 'title-class');
450 * Starts the menu property 'title-text'
454 private function startTitleText () {
455 // Push the node name on the stacker
456 $this->getStackerInstance()->pushNamed('current_node', 'title-text');
460 * Starts the menu property 'entry'
464 private function startEntry () {
465 // Push the node name on the stacker
466 $this->getStackerInstance()->pushNamed('current_node', 'entry');
470 * Starts the menu property 'entry-id'
474 private function startEntryId () {
475 // Push the node name on the stacker
476 $this->getStackerInstance()->pushNamed('current_node', 'entry-id');
480 * Starts the menu property 'anchor'
484 private function startAnchor () {
485 // Push the node name on the stacker
486 $this->getStackerInstance()->pushNamed('current_node', 'anchor');
490 * Starts the menu property 'anchor-id'
494 private function startAnchorId () {
495 // Push the node name on the stacker
496 $this->getStackerInstance()->pushNamed('current_node', 'anchor-id');
500 * Starts the menu property 'anchor-text'
504 private function startAnchorText () {
505 // Push the node name on the stacker
506 $this->getStackerInstance()->pushNamed('current_node', 'anchor-text');
510 * Starts the menu property 'anchor-title'
514 private function startAnchorTitle () {
515 // Push the node name on the stacker
516 $this->getStackerInstance()->pushNamed('current_node', 'anchor-title');
520 * Starts the menu property 'anchor-href'
524 private function startAnchorHref () {
525 // Push the node name on the stacker
526 $this->getStackerInstance()->pushNamed('current_node', 'anchor-href');
530 * Starts the menu property 'footer-id'
534 private function startFooterId () {
535 // Push the node name on the stacker
536 $this->getStackerInstance()->pushNamed('current_node', 'footer-id');
540 * Starts the menu property 'footer-class'
544 private function startFooterClass () {
545 // Push the node name on the stacker
546 $this->getStackerInstance()->pushNamed('current_node', 'footer-class');
550 * Starts the menu property 'footer-text'
554 private function startFooterText () {
555 // Push the node name on the stacker
556 $this->getStackerInstance()->pushNamed('current_node', 'footer-text');
560 * Finishes the title node by added another template to the menu
564 private function finishTitle () {
565 // Pop the last entry
566 $this->getStackerInstance()->popNamed('current_node');
570 * Finishes the title-id node by
574 private function finishTitleId () {
575 // Pop the last entry
576 $this->getStackerInstance()->popNamed('current_node');
580 * Finishes the title-class node
584 private function finishTitleClass () {
585 // Pop the last entry
586 $this->getStackerInstance()->popNamed('current_node');
590 * Finishes the title-class node
594 private function finishTitleText () {
595 // Pop the last entry
596 $this->getStackerInstance()->popNamed('current_node');
600 * Finishes the footer-text node
604 private function finishFooterText () {
605 // Pop the last entry
606 $this->getStackerInstance()->popNamed('current_node');
610 * Finishes the footer-class node
614 private function finishFooterClass () {
615 // Pop the last entry
616 $this->getStackerInstance()->popNamed('current_node');
620 * Finishes the footer-id node
624 private function finishFooterId () {
625 // Pop the last entry
626 $this->getStackerInstance()->popNamed('current_node');
630 * Finishes the anchor-href node
634 private function finishAnchorHref () {
635 // Pop the last entry
636 $this->getStackerInstance()->popNamed('current_node');
640 * Finishes the anchor-title node
644 private function finishAnchorTitle () {
645 // Pop the last entry
646 $this->getStackerInstance()->popNamed('current_node');
650 * Finishes the anchor-text node
654 private function finishAnchorText () {
655 // Pop the last entry
656 $this->getStackerInstance()->popNamed('current_node');
660 * Finishes the anchor-id node
664 private function finishAnchorId () {
665 // Pop the last entry
666 $this->getStackerInstance()->popNamed('current_node');
670 * Finishes the anchor node
674 private function finishAnchor () {
675 // Pop the last entry
676 $this->getStackerInstance()->popNamed('current_node');
680 * Finishes the entry-id node
684 private function finishEntryId () {
685 // Pop the last entry
686 $this->getStackerInstance()->popNamed('current_node');
690 * Finishes the entry node
694 private function finishEntry () {
695 // Pop the last entry
696 $this->getStackerInstance()->popNamed('current_node');
700 * Finishes the block node
704 private function finishBlock () {
705 // Pop the last entry
706 $this->getStackerInstance()->popNamed('current_node');
710 * Finishes the block-list node
714 private function finishBlockList () {
715 // Pop the last entry
716 $this->getStackerInstance()->popNamed('current_node');
720 * Starts the menu text
724 private function startText () {
725 // Do we have a template instance?
726 if (is_null($this->getTemplateInstance())) {
727 // Init template instance for underlaying web templates
728 $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class');
730 // Set it in this template engine
731 $this->setTemplateInstance($templateInstance);
734 // Load the text template for this page
735 $this->getTemplateInstance()->loadCodeTemplate('menu_text_start');
737 // Set the variable group to page
738 $this->setVariableGroup('menu');
740 // Set its content in this template instance
741 $this->assignVariable('text', $this->getTemplateInstance()->getRawTemplateData());
745 * Finishes the menu text
749 private function finishText () {
750 // Load the text template for this page
751 $this->getTemplateInstance()->loadCodeTemplate('menu_text_end');
753 // Set the variable group to page
754 $this->setVariableGroup('menu');
756 // Set its content in this template instance
757 $this->assignVariable('text_end', $this->getTemplateInstance()->getRawTemplateData());
761 * Getter for menu cache file (FQFN)
763 * @return $fqfn Full-qualified file name of the menu cache
765 public function getMenuCacheFqfn () {
766 // Get the FQFN ready
767 $fqfn = sprintf("%s%s%s/%s.%s",
768 $this->getConfigInstance()->getConfigEntry('base_path'),
769 $this->getGenericBasePath(),
772 $this->getMenuInstance()->getMenuName() . ':' .
773 $this->__toString() . ':' .
774 $this->getMenuInstance()->__toString()
776 $this->getMenuInstance()->getMenuType()