9d4768f040
git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@2409068 b8457f37-d9ea-0310-8a92-e5e31aec5664
130 lines
3.8 KiB
PHP
130 lines
3.8 KiB
PHP
<?php
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/**
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* Includes the Template Engine to load and handle all Template files of the Plugin.
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*
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* @filesource
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* @author Stefan Herndler
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* @since 1.5.0 14.09.14 10:58
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*/
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// Last modified: 2020-10-29T0805+0100
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/**
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* Handles each Template file for the Plugin Frontend (e.g. Settings Dashboard, Public pages, ...).
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* Loads a template file, replaces all Placeholders and returns the replaced file content.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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*/
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class MCI_Footnotes_Template {
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/**
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* Directory name for dashboard templates.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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const C_STR_DASHBOARD = "dashboard";
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/**
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* Directory name for public templates.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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const C_STR_PUBLIC = "public";
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/**
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* Contains the content of the template after initialize.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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private $a_str_OriginalContent = "";
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/**
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* Contains the content of the template after initialize with replaced place holders.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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private $a_str_ReplacedContent = "";
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/**
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* Class Constructor. Reads and loads the template file without replace any placeholder.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @param string $p_str_FileType Template file type (take a look on the Class constants).
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* @param string $p_str_FileName Template file name inside the Template directory without the file extension.
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* @param string $p_str_Extension Optional Template file extension (default: html)
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*/
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public function __construct($p_str_FileType, $p_str_FileName, $p_str_Extension = "html") {
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// no template file type and/or file name set
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if (empty($p_str_FileType) || empty($p_str_FileName)) {
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return;
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}
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// get absolute path to the specified template file
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$l_str_TemplateFile = dirname(__FILE__) . "/../templates/" . $p_str_FileType . "/" . $p_str_FileName . "." . $p_str_Extension;
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// Template file does not exist
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if (!file_exists($l_str_TemplateFile)) {
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return;
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}
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// get Template file content
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$this->a_str_OriginalContent = str_replace("\n", "", file_get_contents($l_str_TemplateFile));
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$this->a_str_OriginalContent = str_replace("\r", "", $this->a_str_OriginalContent);
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$this->a_str_OriginalContent = str_replace("\t", " ", $this->a_str_OriginalContent);
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$this->a_str_OriginalContent = str_replace(" ", " ", $this->a_str_OriginalContent);
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$this->reload();
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}
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/**
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* Replace all placeholders specified in array.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @param array $p_arr_Placeholders Placeholders (key = placeholder, value = value).
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* @return bool True on Success, False if Placeholders invalid.
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*/
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public function replace($p_arr_Placeholders) {
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// no placeholders set
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if (empty($p_arr_Placeholders)) {
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return false;
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}
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// template content is empty
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if (empty($this->a_str_ReplacedContent)) {
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return false;
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}
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// iterate through each placeholder and replace it with its value
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foreach($p_arr_Placeholders as $l_str_Placeholder => $l_str_Value) {
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$this->a_str_ReplacedContent = str_replace("[[" . $l_str_Placeholder . "]]", $l_str_Value, $this->a_str_ReplacedContent);
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}
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// success
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return true;
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}
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/**
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* Reloads the original content of the template file.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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*/
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public function reload() {
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$this->a_str_ReplacedContent = $this->a_str_OriginalContent;
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}
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/**
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* Returns the content of the template file with replaced placeholders.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @return string Template content with replaced placeholders.
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*/
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public function getContent() {
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return $this->a_str_ReplacedContent;
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}
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} // end of class
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