+++ /dev/null
-<?php
-/**
- * A generic helper class with generic methods
- *
- * @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 BaseHelper extends BaseFrameworkSystem {
- /**
- * Instance to the class which provides field values
- */
- private $valueInstance = null;
-
- /**
- * Rendered content created by the helper class
- */
- private $content = "";
-
- /**
- * Array with groups
- */
- private $groups = array();
-
- /**
- * Array with sub group
- */
- private $subGroups = array();
-
- /**
- * Previously opened group
- */
- private $previousGroupId = "";
-
- /**
- * Previously opened sub group
- */
- private $previousSubGroupId = "";
-
- /**
- * Total counter for groups and sub groups
- */
- private $totalCounter = 0;
-
- // Exception constants
- const EXCEPTION_XML_PARSER_ERROR = 0x1e0;
- const EXCEPTION_XML_NODE_UNKNOWN = 0x1e1;
- const EXCEPTION_XML_NODE_MISMATCH = 0x1e2;
- const EXCEPTION_GROUP_NOT_OPENED = 0x1e3;
- const EXCEPTION_GROUP_ALREADY_FOUND = 0x1e4;
- const EXCEPTION_SUB_GROUP_ALREADY_FOUND = 0x1e5;
- const EXCEPTION_NO_PREVIOUS_SUB_GROUP_OPENED = 0x1e6;
- const EXCEPTION_NO_PREVIOUS_GROUP_OPENED = 0x1e7;
-
- /**
- * Protected constructor
- *
- * @param $className Real name of the class
- * @return void
- */
- protected function __construct ($className) {
- // Call parent constructor
- parent::__construct($className);
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Adds content directly
- *
- * @param $newContent New content to add
- * @return void
- */
- protected final function addContent ($newContent) {
- $this->content .= (string) trim($newContent)."\n";
- }
-
- /**
- * Add header content to the helper
- *
- * @param $content Content to to the base
- * @return void
- */
- protected function addHeaderContent ($content) {
- // Add the header content
- $this->groups['header']['content'] = (string) trim($content);
- }
-
- /**
- * Add footer content to the helper
- *
- * @param $content Content to to the base
- * @return void
- */
- protected function addFooterContent ($content) {
- // Add the footer content
- $this->groups['footer']['content'] = (string) trim($content);
- }
-
- /**
- * Adds content to the previously opened group or sub group. If a sub group
- * was found it will be taken. If no group/sub group is opened at the moment
- * the code will be passed to addContent().
- *
- * @param $newContent New content to add
- * @return void
- */
- protected final function addContentToPreviousGroup ($newContent) {
- // Check for sub/group
- if ($this->ifSubGroupOpenedPreviously()) {
- // Get sub group id
- $subGroupId = $this->getPreviousSubGroupId();
-
- // Add the content
- $this->subGroups[$subGroupId]['content'] .= $newContent;
- } elseif ($this->ifGroupOpenedPreviously()) {
- // Get group id
- $groupId = $this->getPreviousGroupId();
-
- // Add the content
- $this->groups[$groupId]['content'] .= $newContent;
- } else {
- // Add it directly
- $this->addContent($newContent);
- }
- }
-
- /**
- * Getter for content
- *
- * @return $content The rendered content by this helper
- */
- protected final function getContent () {
- return $this->content;
- }
-
- /**
- * Assigns a field from the value instance with a template variable
- *
- * @param $fieldName Name of the field to assign
- * @return void
- */
- public function assignField ($fieldName) {
- // Get the value from value instance
- $fieldValue = $this->getValueField($fieldName);
-
- // Assign it with a template variable
- $this->getTemplateInstance()->assignVariable('block_' . $fieldName, $fieldValue);
- }
-
- /**
- * Assigns a field from the value instance with a template variable but
- * parses its content through a given filter method of the value instance
- *
- * @param $fieldName Name of the field to assign
- * @param $filterMethod Method name to call of the value instance
- * @return void
- * @todo Rewrite this method using a helper class for filtering data
- */
- public function assignFieldWithFilter ($fieldName, $filterMethod) {
- // Get the value
- $fieldValue = $this->getValueField($fieldName);
-
- // Now filter it through the value through the filter method
- $filteredValue = call_user_func_array(array($this, 'doFilter' . $this->convertToClassName($filterMethod)), array($fieldValue));
-
- // Assign it with a template variable
- $this->getTemplateInstance()->assignVariable('block_' . $fieldName, $filteredValue);
- }
-
- /**
- * Pre-fetches field default values from the given registry key instance into this class
- *
- * @param $registryKey Registry key which holds an object with values
- * @param $extraKey Extra value instance key used if registryKey is null
- * @return void
- * @throws NullPointerException If recovery of requested value instance failed
- */
- public function prefetchValueInstance ($registryKey, $extraKey = null) {
- // Get the required instance
- $this->valueInstance = Registry::getRegistry()->getInstance($registryKey);
-
- // Is the value instance valid?
- if (is_null($this->valueInstance)) {
- // Try to create it "from scratch", by first init extra instance
- $extraInstance = null;
-
- // Shall we get an extra instance?
- if (!is_null($extraKey)) {
- // Get the extra instance.
- $extraInstance = Registry::getRegistry()->getInstance($extraKey);
- } // END - if
-
- // Get the requested instance
- try {
- $this->valueInstance = ObjectFactory::createObjectByConfiguredName($registryKey . '_class', array($extraInstance));
-
- } catch (FrameworkException $e) {
- // Okay, nothing found so throw a null pointer exception here
- throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
- }
- } // END - if
- }
-
- /**
- * Opens a helper group with given group id and content or throws an
- * exception if that group is already found regardless if it is open or
- * closed.
- *
- * @param $groupId Group id to open
- * @param $content Initial content to add to the group
- * @param $tag HTML tag used to open this group
- * @return void
- * @throws HelperGroupAlreadyCreatedException If the group was already created before
- */
- protected function openGroupByIdContent ($groupId, $content, $tag) {
- //* DEBUG: */ echo "OPEN:groupId={$groupId},content=<pre>".htmlentities($content)."</pre>\n";
- // Is the group already there?
- if (isset($this->groups[$groupId])) {
- // Then throw an exception here
- throw new HelperGroupAlreadyCreatedException(array($this, $groupId), self::EXCEPTION_GROUP_ALREADY_FOUND);
- } // END - if
-
- // Count one up
- $this->totalCounter++;
-
- // Add the group to the stack
- $this->groups[$this->totalCounter] = $groupId;
- $this->groups[$groupId]['opened'] = true;
- $this->groups[$groupId]['content'] = sprintf("<!-- group %s opened (length: %s, tag: %s) //-->%s\n", $groupId, strlen($content), $tag, $content);
- $this->groups[$groupId]['tag'] = $tag;
-
- // Mark this group as previously opened
- $this->setPreviousGroupId($groupId);
- }
-
- /**
- * Closes the previously opened group by added given content to it or
- * throws an exception if no previous group was opened
- *
- * @param $content Content for previously opened group, or empty to use tag of opener
- * @return void
- * @throws HelperNoPreviousOpenedGroupException If no previously opened group was found
- */
- public function closePreviousGroupByContent ($content = "") {
- // Check if any sub group was opened before
- if ($this->ifSubGroupOpenedPreviously()) {
- // Close it automatically
- $this->closePreviousSubGroupByContent();
- } // END - if
-
- // Check if any group was opened before
- if ($this->ifGroupOpenedPreviously() === false) {
- // Then throw an exception
- throw new HelperNoPreviousOpenedGroupException(array($this, $content), self::EXCEPTION_NO_PREVIOUS_SUB_GROUP_OPENED);
- } // END - if
-
- // Get previous group
- $groupId = $this->getPreviousGroupId();
-
- // Is the content empty?
- if ((empty($content)) && (!empty($this->groups[$groupId]['tag']))) {
- // Get it from opener
- $content = sprintf("<!-- group %s auto-closed //--></%s>", $groupId, $this->groups[$groupId]['tag']);
- } // END - if
-
- // Add content to it and mark it as closed
- $this->groups[$groupId]['content'] .= sprintf("<!-- group %s closed (length: %s, tag: %s) //-->%s\n", $groupId, strlen($content), $this->groups[$groupId]['tag'], $content);
- $this->groups[$groupId]['opened'] = false;
-
- // Mark previous group as closed
- $this->setPreviousGroupId("");
- //* DEBUG: */ echo "CLOSE:groupId={$groupId}<br />\n";
- }
-
- /**
- * Opens a helper sub group with given group id and content or throws an
- * exception if that sub group is already found regardless if it is open or
- * closed.
- *
- * @param $subGroupId Sub group id to open
- * @param $content Initial content to add to the sub group
- * @param $tag HTML tag used to open this group
- * @return void
- * @throws HelperSubGroupAlreadyCreatedException If the sub group was already created before
- */
- protected function openSubGroupByIdContent ($subGroupId, $content, $tag) {
- //* DEBUG: */ echo "OPEN:subGroupId={$subGroupId},content=".htmlentities($content)."<br />\n";
- // Is the group already there?
- if (isset($this->subGroups[$subGroupId])) {
- // Then throw an exception here
- throw new HelperSubGroupAlreadyCreatedException(array($this, $subGroupId), self::EXCEPTION_SUB_GROUP_ALREADY_FOUND);
- } // END - if
-
- // Count one up
- $this->totalCounter++;
-
- // Add the group to the stack
- $this->subGroups[$this->totalCounter] = $subGroupId;
- $this->subGroups[$subGroupId]['opened'] = true;
- $this->subGroups[$subGroupId]['content'] = sprintf("<!-- sub-group %s opened (length: %s, tag: %s) //-->%s\n", $subGroupId, strlen($content), $tag, $content);
- $this->subGroups[$subGroupId]['tag'] = $tag;
-
- // Mark this group as previously opened
- $this->setPreviousSubGroupId($subGroupId);
- }
-
- /**
- * Closes the previously opened sub group by added given content to it or
- * throws an exception if no previous sub group was opened
- *
- * @param $content Content for previously opened sub group, or leave empty to use div/span of openener
- * @return void
- * @throws HelperNoPreviousOpenedSubGroupException If no previously opened sub group was found
- */
- public function closePreviousSubGroupByContent ($content = "") {
- // Check if any sub group was opened before
- if ($this->ifSubGroupOpenedPreviously() === false) {
- // Then throw an exception
- throw new HelperNoPreviousOpenedSubGroupException(array($this, $content), self::EXCEPTION_NO_PREVIOUS_SUB_GROUP_OPENED);
- } // END - if
-
- // Get previous sub group
- $subGroupId = $this->getPreviousSubGroupId();
-
- // Is the content empty?
- if ((empty($content)) && (!empty($this->subGroups[$subGroupId]['tag']))) {
- // Get it from opener
- $content = sprintf("<!-- sub-group %s auto-closed //--></%s>", $subGroupId, $this->subGroups[$subGroupId]['tag']);
- } // END - if
-
- // Add content to it and mark it as closed
- $this->subGroups[$subGroupId]['content'] .= sprintf("<!-- sub-group %s closed (length: %s, tag: %s) //-->%s\n", $subGroupId, strlen($content), $this->subGroups[$subGroupId]['tag'], $content);
- $this->subGroups[$subGroupId]['opened'] = false;
-
- // Mark previous sub group as closed
- $this->setPreviousSubGroupId("");
- //* DEBUG: */ echo "CLOSE:subGroupId={$subGroupId}<br />\n";
- }
-
- /**
- * Renders all group and sub group in their order
- *
- * @return $content Rendered HTML content
- */
- public function renderContent () {
- // Initialize content
- $content = "";
-
- // Is header content there?
- if (isset($this->groups['header'])) {
- // Then add it
- $content .= $this->groups['header']['content']."\n";
- } // END - if
-
- // Initiate content
- $content .= $this->getContent();
-
- // Now "walk" through all groups and sub-groups
- for ($idx = 1; $idx <= $this->totalCounter; $idx++) {
- // Is this a group and is it closed?
- if ((isset($this->groups[$idx])) && ($this->groups[$this->groups[$idx]]['opened'] === false)) {
- // Then add it's content
- $groupContent = trim($this->groups[$this->groups[$idx]]['content']);
- //* DEBUG: */ echo "group={$this->groups[$idx]},content=<pre>".htmlentities($groupContent)."</pre><br />\n";
- $content .= $groupContent;
- } elseif ((isset($this->subGroups[$idx])) && ($this->subGroups[$this->subGroups[$idx]]['opened'] === false)) {
- // Then add it's content
- $subGroupContent = $this->subGroups[$this->subGroups[$idx]]['content'];
- //* DEBUG: */ echo "subgroup={$this->subGroups[$idx]},content=<pre>".htmlentities($subGroupContent)."</pre><br />\n";
- $content .= trim($subGroupContent);
- } else {
- // Something went wrong
- $this->debugInstance(__METHOD__."(): Something unexpected happened here.");
- }
- } // END - for
-
- // Is footer content there?
- if (isset($this->groups['footer'])) {
- // Then add it
- $content .= $this->groups['footer']['content']."\n";
- } // END - if
-
- // Return it
- //* DEBUG: */ echo "content=<pre>".htmlentities($content)."</pre> (".strlen($content).")<br />\n";
- return $content;
- }
-
- /**
- * Checks wether the specified group is opened
- *
- * @param $groupId Id of group to check
- * @return $isOpened Wether the specified group is open
- */
- protected function ifGroupIsOpened ($groupId) {
- // Is the group open?
- $isOpened = ((isset($this->groups[$groupId])) && ($this->groups[$groupId]['opened'] === true));
-
- // Return status
- return $isOpened;
- }
-
- /**
- * Getter for direct field values
- *
- * @param $fieldName Name of the field we shall fetch
- * @return $fieldValue Value from field
- */
- public function getValueField ($fieldName) {
- // Get the field value
- $fieldValue = call_user_func_array(array($this->valueInstance, 'getField'), array($fieldName));
-
- // Return it
- return $fieldValue;
- }
-
- /**
- * Getter for value instance
- *
- * @return $valueInstance Instance of the class holding our values
- */
- public final function getValueInstance () {
- return $this->valueInstance;
- }
-
- /**
- * Check wether a group was opened previously
- *
- * @return $groupOpened Wether any group was opened before
- */
- protected final function ifGroupOpenedPreviously () {
- $groupOpened = (!empty($this->previousGroupId));
- return $groupOpened;
- }
-
- /**
- * Check wether a group was opened previously
- *
- * @return $subGroupOpened Wether any group was opened before
- */
- protected final function ifSubGroupOpenedPreviously () {
- $subGroupOpened = (!empty($this->previousSubGroupId));
- return $subGroupOpened;
- }
-
- /**
- * Getter for previous group id
- *
- * @return $previousGroupId Id of previously opened group
- */
- protected final function getPreviousGroupId () {
- return $this->previousGroupId;
- }
-
- /**
- * Setter for previous group id
- *
- * @param $previousGroupId Id of previously opened group
- * @return void
- */
- protected final function setPreviousGroupId ($previousGroupId) {
- $this->previousGroupId = (string) $previousGroupId;
- }
-
- /**
- * Getter for previous sub group id
- *
- * @return $previousSubGroupId Id of previously opened sub group
- */
- protected final function getPreviousSubGroupId () {
- return $this->previousSubGroupId;
- }
-
- /**
- * Setter for previous sub group id
- *
- * @param $previousSubGroupId Id of previously opened sub group
- * @return void
- */
- protected final function setPreviousSubGroupId ($previousSubGroupId) {
- $this->previousSubGroupId = (string) $previousSubGroupId;
- }
-}
-
-// [EOF]
-?>
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