+++ /dev/null
-<?php
-/**
- * The own template engine for loading caching and sending out images
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class ImageTemplateEngine extends BaseTemplateEngine implements CompileableTemplate {
- /**
- * Main nodes in the XML tree ('image' is ignored)
- */
- private $mainNodes = array("base", "type", "resolution", "background-color", "foreground-color", "image-string");
-
- /**
- * Sub nodes in the XML tree
- */
- private $subNodes = array("name", "string-name", "x", "y", "font-size", "width", "height", "red", "green", "blue", "text");
-
- /**
- * Image instance
- */
- private $imageInstance = null;
-
- /**
- * Current main node
- */
- private $currMainNode = "";
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
- }
-
- /**
- * Creates an instance of the class TemplateEngine and prepares it for usage
- *
- * @param $basePath The local base path for all templates
- * @param $langInstance An instance of LanguageSystem (default)
- * @param $ioInstance An instance of FileIoHandler (default, middleware!)
- * @return $tplInstance An instance of TemplateEngine
- * @throws BasePathIsEmptyException If the provided $basePath is empty
- * @throws InvalidBasePathStringException If $basePath is no string
- * @throws BasePathIsNoDirectoryException If $basePath is no
- * directory or not found
- * @throws BasePathReadProtectedException If $basePath is
- * read-protected
- */
- public final static function createImageTemplateEngine ($basePath, ManageableLanguage $langInstance, FileIoHandler $ioInstance) {
- // Get a new instance
- $tplInstance = new ImageTemplateEngine();
-
- // Is the base path valid?
- if (empty($basePath)) {
- // Base path is empty
- throw new BasePathIsEmptyException($tplInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
- } elseif (!is_string($basePath)) {
- // Is not a string
- throw new InvalidBasePathStringException(array($tplInstance, $basePath), self::EXCEPTION_INVALID_STRING);
- } elseif (!is_dir($basePath)) {
- // Is not a path
- throw new BasePathIsNoDirectoryException(array($tplInstance, $basePath), self::EXCEPTION_INVALID_PATH_NAME);
- } elseif (!is_readable($basePath)) {
- // Is not readable
- throw new BasePathReadProtectedException(array($tplInstance, $basePath), self::EXCEPTION_READ_PROTECED_PATH);
- }
-
- // Get configuration instance
- $cfgInstance = FrameworkConfiguration::getInstance();
-
- // Set the base path
- $tplInstance->setBasePath($basePath);
-
- // Set the language and IO instances
- $tplInstance->setLanguageInstance($langInstance);
- $tplInstance->setFileIoInstance($ioInstance);
-
- // Set template extensions
- $tplInstance->setRawTemplateExtension($cfgInstance->readConfig('raw_template_extension'));
- $tplInstance->setCodeTemplateExtension($cfgInstance->readConfig('code_template_extension'));
-
- // Absolute output path for compiled templates
- $tplInstance->setCompileOutputPath($cfgInstance->readConfig('base_path') . $cfgInstance->readConfig('compile_output_path'));
-
- // Return the prepared instance
- return $tplInstance;
- }
-
- /**
- * Getter for current main node
- *
- * @return $currMainNode Current main node
- */
- public final function getCurrMainNode () {
- return $this->currMainNode;
- }
-
- /**
- * Getter for main node array
- *
- * @return $mainNodes Array with valid main node names
- */
- public final function getMainNodes () {
- return $this->mainNodes;
- }
-
- /**
- * Getter for sub node array
- *
- * @return $subNodes Array with valid sub node names
- */
- public final function getSubNodes () {
- return $this->subNodes;
- }
-
- /**
- * Handles the start element of an XML resource
- *
- * @param $resource XML parser resource (currently ignored)
- * @param $element The element we shall handle
- * @param $attributes All attributes
- * @return void
- * @throws InvalidXmlNodeException If an unknown/invalid XML node name was found
- */
- public function startElement ($resource, $element, array $attributes) {
- // Initial method name which will never be called...
- $methodName = 'initImage';
-
- // Make the element name lower-case
- $element = strtolower($element);
-
- // Is the element a main node?
- //* DEBUG: */ echo "START: >".$element."<<br />\n";
- if (in_array($element, $this->mainNodes)) {
- // Okay, main node found!
- $methodName = 'setImage' . $this->convertToClassName($element);
- } elseif (in_array($element, $this->subNodes)) {
- // Sub node found
- $methodName = 'setImageProperty' . $this->convertToClassName($element);
- } elseif ($element != 'image') {
- // Invalid node name found
- throw new InvalidXmlNodeException(array($this, $element, $attributes), BaseHelper::EXCEPTION_XML_NODE_UNKNOWN);
- }
-
- // Call method
- //* DEBUG: */ echo "call: ".$methodName."<br />\n";
- call_user_func_array(array($this, $methodName), $attributes);
- }
-
- /**
- * Ends the main or sub node by sending out the gathered data
- *
- * @param $resource An XML resource pointer (currently ignored)
- * @param $nodeName Name of the node we want to finish
- * @return void
- * @throws XmlNodeMismatchException If current main node mismatches the closing one
- */
- protected function endElement ($resource, $nodeName) {
- // Make all lower-case
- $nodeName = strtolower($nodeName);
-
- // Does this match with current main node?
- //* DEBUG: */ echo "END: >".$nodeName."<<br />\n";
- if (($nodeName != $this->getCurrMainNode()) && (in_array($nodeName, $this->getMainNodes()))) {
- // Did not match!
- throw new XmlNodeMismatchException (array($this, $nodeName, $this->getCurrMainNode()), BaseHelper::EXCEPTION_XML_NODE_MISMATCH);
- } elseif (in_array($nodeName, $this->getSubNodes())) {
- // Silently ignore sub nodes
- return;
- }
-
- // Construct method name
- $methodName = 'finish' . $this->convertToClassName($nodeName);
-
- // Call the corresponding method
- call_user_func_array(array($this->imageInstance, $methodName), array());
- }
-
- /**
- * Currently not used
- *
- * @param $resource XML parser resource (currently ignored)
- * @param $characters Characters to handle
- * @return void
- * @todo Find something usefull with this!
- */
- protected function characterHandler ($resource, $characters) {
- // Trim all spaces away
- $characters = trim($characters);
-
- // Is this string empty?
- if (empty($characters)) {
- // Then skip it silently
- return false;
- } // END - if
-
- // Unfinished work!
- $this->partialStub("Handling extra characters is not yet supported!");
- }
-
- /**
- * Intializes the image
- *
- * @return void
- * @todo Add cache creation here
- */
- private function initImage () {
- // Unfinished work!
- }
-
- /**
- * Set the image type
- *
- * @param $imageType Code fragment or direct value holding the image type
- * @return void
- */
- private function setImageType ($imageType) {
- // Set group to general
- $this->setVariableGroup('general');
-
- // Try to compile it first to get the value from variable stack
- $imageType = $this->compileRawCode($imageType);
-
- // Now make a class name of it
- $className = $this->convertToClassName($imageType.'_image');
-
- // And try to initiate it
- $this->imageInstance = ObjectFactory::createObjectByName($className, array($this));
-
- // Set current main node to type
- $this->currMainNode = 'type';
- }
-
- /**
- * "Setter" for resolution, we first need to collect the resolution from the
- * sub-nodes. So first, this method will prepare an array for it
- *
- * @return void
- */
- private function setImageResolution () {
- // Call the image class
- $this->imageInstance->initResolution();
-
- // Current main node is resolution
- $this->currMainNode = 'resolution';
- }
-
- /**
- * "Setter" for base information. For more details see above method!
- *
- * @return void
- * @see ImageTemplateEngine::setImageResolution
- */
- private function setImageBase () {
- // Call the image class
- $this->imageInstance->initBase();
-
- // Current main node is resolution
- $this->currMainNode = 'base';
- }
-
- /**
- * "Setter" for background-color. For more details see above method!
- *
- * @return void
- * @see ImageTemplateEngine::setImageResolution
- */
- private function setImageBackgroundColor () {
- // Call the image class
- $this->imageInstance->initBackgroundColor();
-
- // Current main node is background-color
- $this->currMainNode = 'background-color';
- }
-
- /**
- * "Setter" for foreground-color. For more details see above method!
- *
- * @return void
- * @see ImageTemplateEngine::setImageResolution
- */
- private function setImageForegroundColor () {
- // Call the image class
- $this->imageInstance->initForegroundColor();
-
- // Current main node is foreground-color
- $this->currMainNode = 'foreground-color';
- }
-
- /**
- * "Setter" for image-string. For more details see above method!
- *
- * @param $groupable Wether this image string is groupable
- * @return void
- * @see ImageTemplateEngine::setImageResolution
- */
- private function setImageImageString ($groupable = 'single') {
- // Call the image class
- $this->imageInstance->initImageString($groupable);
-
- // Current main node is foreground-color
- $this->currMainNode = 'image-string';
- }
-
- /**
- * Setter for image name
- *
- * @param $imageName Name of the image
- * @return void
- */
- private function setImagePropertyName ($imageName) {
- // Call the image class
- $this->imageInstance->setImageName($imageName);
- }
-
- /**
- * Setter for image width
- *
- * @param $width Width of the image or variable
- * @return void
- */
- private function setImagePropertyWidth ($width) {
- // Call the image class
- $this->imageInstance->setWidth($width);
- }
-
- /**
- * Setter for image height
- *
- * @param $height Height of the image or variable
- * @return void
- */
- private function setImagePropertyHeight ($height) {
- // Call the image class
- $this->imageInstance->setHeight($height);
- }
-
- /**
- * Setter for image red color
- *
- * @param $red Red color value
- * @return void
- */
- private function setImagePropertyRed ($red) {
- // Call the image class
- $this->imageInstance->setRed($red);
- }
-
- /**
- * Setter for image green color
- *
- * @param $green Green color value
- * @return void
- */
- private function setImagePropertyGreen ($green) {
- // Call the image class
- $this->imageInstance->setGreen($green);
- }
-
- /**
- * Setter for image blue color
- *
- * @param $blue Blue color value
- * @return void
- */
- private function setImagePropertyBlue ($blue) {
- // Call the image class
- $this->imageInstance->setBlue($blue);
- }
-
- /**
- * Setter for string name (identifier)
- *
- * @param $stringName String name (identifier)
- * @return void
- */
- private function setImagePropertyStringName ($stringName) {
- // Call the image class
- $this->imageInstance->setStringName($stringName);
- }
-
- /**
- * Setter for font size
- *
- * @param $fontSize Size of the font
- * @return void
- */
- private function setImagePropertyFontSize ($fontSize) {
- // Call the image class
- $this->imageInstance->setFontSize($fontSize);
- }
-
- /**
- * Setter for image string
- *
- * @param $imageString Image string to set
- * @return void
- */
- private function setImagePropertyText ($imageString) {
- // Call the image class
- $this->imageInstance->setString($imageString);
- }
-
- /**
- * Setter for X coordinate
- *
- * @param $x X coordinate
- * @return void
- */
- private function setImagePropertyX ($x) {
- // Call the image class
- $this->imageInstance->setX($x);
- }
-
- /**
- * Setter for Y coordinate
- *
- * @param $y Y coordinate
- * @return void
- */
- private function setImagePropertyY ($y) {
- // Call the image class
- $this->imageInstance->setY($y);
- }
-
- /**
- * Getter for image cache file (FQFN)
- *
- * @return $fqfn Full-qualified file name of the image cache
- */
- public function getImageCacheFqfn () {
- // Get the FQFN ready
- $fqfn = $this->getBasePath().'_cache/' . md5($this->imageInstance->getImageName().":".$this->__toString().":".$this->imageInstance->__toString()) . "." . $this->imageInstance->getImageType();
-
- // Return it
- return $fqfn;
- }
-
- /**
- * Outputs the image to the world
- *
- * @param $responseInstance An instance of a Responseable class
- * @return void
- */
- public function transferToResponse (Responseable $responseInstance) {
- // Set the image instance
- $responseInstance->setImageInstance($this->imageInstance);
- }
-}
-
-// [EOF]
-?>
projects / shipsimu.git / blobdiff