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<?php
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// $Id: texy.module,v 1.9.2.5 2009/04/24 11:46:02 havran Exp $
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/**
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* @file
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* Filters an easy to read Texy! syntax into XHTML.
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*/
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/**
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* Implementation of hook_help().
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*/
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function texy_help($path, $arg) {
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switch ($path) {
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case 'admin/help#texy':
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$output = '<p>'. t('Texy! allows you to enter content using an easy to read Texy syntax which is filtered into structurally valid XHTML. No knowledge of HTML is required.') .'</p>';
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$output .= '<p>'. t('Texy! is one of the most complex formatting tools. It allows adding of images, links, nested lists, tables and has full support for CSS. Usage examples can be found at <a href="@texy">the Texy homepage</a>.', array('@texy' => 'http://texy.info/en')) .'</p>';
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return $output;
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case 'admin/settings/texy':
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return '<p>'. t('Below is a list of main settings for the Texy! module. You can enable extra Texy! functionality in Modules section...') .'</p>';
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}
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}
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/**
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* Implementation of hook_menu()
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*/
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function texy_menu() {
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$items['admin/settings/texy'] = array(
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'title' => 'Texy!',
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'description' => 'Customize main Texy! filter settings.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('texy_form_main_settings'),
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'access arguments' => array('administer site configuration'),
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'file' => 'texy.admin.inc',
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);
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$items['admin/settings/texy/basic'] = array(
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'title' => 'Basic',
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'description' => 'Customize basic Texy! filter settings.',
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'access arguments' => array('administer site configuration'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10,
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);
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return $items;
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}
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/**
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* Implementation of hook_theme()
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*/
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function texy_theme() {
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return array(
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'texy_form_main_settings' => array(
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'arguments' => array('form' => NULL),
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),
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);
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}
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/**
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* Implementation of hook_filter()
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*/
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function texy_filter($op, $delta = 0, $format = -1, $text = '') {
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switch ($op) {
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case 'list':
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return array(0 => t('Texy! filter'));
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case 'description':
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return t('Filters an easy to read Texy! syntax into XHTML.');
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case 'process':
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return _filter_texy($text);
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default:
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return $text;
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}
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}
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/**
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* Implementation of hook_filter_tips().
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*/
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function texy_filter_tips($delta, $format, $long = false) {
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if ($delta == 0) {
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switch ($long) {
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case 0:
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return t('You can use <a href="http://texy.info/en">Texy!</a> to format and alter entered content.');
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case 1:
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$output = t('
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<p>This site uses <a href="http://texy.info">Texy!</a> to format and alter entered content. Texy! provides an intuitive and easy to read syntax which is automatically filtered into XHTML upon content submission.</p>
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<dl>
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<dt>Paragraphs and line breaks</dt>
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<dd>Just add two line breaks to create a paragraph. Put a space at the start of a new line to preserve a line break.</dd>
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<dt>Emphasized</dt>
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<dd>*Emphasized*</dd>
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<dd><em>Emphasized</em></dd>
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<dt>Strong</dt>
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<dd>**Strong**</dd>
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<dd><strong>Strong</strong></dd>
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<dt>Hyperlink</dt>
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<dd>"Hyperlink":http://drupal.org</dd>
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<dd><a href="http://drupal.org">Hyperlink</a></dd>
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<dt>Block quoted</dt>
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<dd>> Block quoted</dd>
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<dd><blockquote><p>Block quoted</p></blockquote></dd>
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<dt>Quoted inline</dt>
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<dd>>>Quoted inline<<</dd>
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<dd><q>Quoted inline</q></dd>
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<dt>Acronym</dt>
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<dd>"SLA"((Some Lengthy Acronym))</dd>
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<dd><acronym title="Some Lengthy Acronym">SLA</acronym></dd>
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<dt>Source code</dt>
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<dd>/---code html<br /><em>Texy!</em><br />\---code</dd>
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<dd><pre><code><em>Texy!</em></code></pre></dd>
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<dt>Unordered list</dt>
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<dd>- First item<br />- Second item</dd>
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<dd><ul> <li>First item</li> <li>Second item</li> </ul></dd>
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<dt>Ordered list</dt>
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<dd>1) First item<br />2) Second item</dd>
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<dd><ol> <li>First item</li> <li>Second item</li> </ol></dd>
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<dt>Subscripted</dt>
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<dd>Sub_scripted</dd>
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<dd>Sub<sub>scripted</sub></dd>
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<dt>Superscripted</dt>
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<dd>Super^scripted</dd>
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<dd>Super<sup>scripted</sup></dd>
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</dl>
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<p>More information can be found at <a href="http://texy.info">the official Texy! page</a>.</p>
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');
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return $output;
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}
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}
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}
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/**
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* Implementation of hook_texy_settings()
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*
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* For main Texy! settings
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*/
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function texy_texy_settings(&$texy) {
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// start headings from h3
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$texy->headingModule->top = variable_get('texy_heading_base', 3);
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$_linewrap = variable_get('texy_line_wrap', '');
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if (empty($_linewrap)) {
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// do not wrap
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$texy->cleaner->lineWrap = FALSE;
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} else {
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// wrap lines
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$texy->cleaner->lineWrap = $_linewrap;
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}
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// break long words with insert ­ or not
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$texy->allowed['longwords'] = variable_get('texy_allowed_longwords', FALSE);
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// and set max word lenght which is not break
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$texy->longWordsModule->wordLimit = variable_get('texy_word_limit', 20);
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// obfuscate email addresses or not
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$texy->obfuscateEmail = variable_get('texy_obfuscate_email', FALSE);
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// force insert "nofollow" in links or not
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$texy->linkModule->forceNoFollow = variable_get('texy_force_nofollow', FALSE);
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// set typographic convention
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$texy->typographyModule->locale = variable_get('texy_locale', 'en');
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$_allowedclasses = variable_get('texy_allowed_classes', '');
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if ($_allowedclasses == '<all>') {
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// permit all classes
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$texy->allowedClasses = TRUE;
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} else if (empty($_allowedclasses)) {
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// permit no classes
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$texy->allowedClasses = FALSE;
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} else {
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// permit only specified classes
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$texy->allowedClasses = preg_split('/,/', str_replace(' ', '', $_allowedclasses));
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}
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$_allowedstyles = variable_get('texy_allowed_styles', '');
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if ($_allowedstyles == '<all>') {
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// permit all styles
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$texy->allowedStyles = TRUE;
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} else if (empty($_allowedstyles)) {
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// permit no styles
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$texy->allowedStyles = FALSE;
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} else {
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// permit only specified styles
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$texy->allowedStyles = preg_split('/,/', str_replace(' ', '', $_allowedstyles));
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}
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$_allowedtags = variable_get('texy_allowed_tags', '');
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if ($_allowedtags == '<all>') {
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// permit all tags
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$texy->allowedTags = TRUE;
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} else if (empty($_allowedtags)) {
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// permit no tags
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$texy->allowedTags = FALSE;
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} else {
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// permit only specified tags - with all attributes
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$texy->allowedTags = array();
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foreach (preg_split('/,/', str_replace(' ', '', $_allowedtags)) as $_tag) {
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$texy->allowedTags[$_tag] = TRUE;
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}
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}
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}
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/**
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* Main Texy! filter.
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*/
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function _filter_texy($text) {
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$texy =& _texy_get_object();
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if ($texy) {
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$texy->encoding = 'utf-8'; // always UTF-8 for Drupal
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// here we invoke all hook_texy_handler and set handlers for modify Texy!
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// output
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module_invoke_all('texy_handler', $texy);
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// here we invoke all hook_texy_settings and set other Texy! modules s
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// specific settings
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module_invoke_all('texy_settings', $texy);
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// main Texy! filter processing
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$html = $texy->process($text);
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return $html;
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}
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return $text;
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}
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/**
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* Initialization of Texy! object
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*/
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function _texy_get_object($messages = FALSE) {
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// get base module path
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$module_path = drupal_get_path('module', 'texy');
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// use PHP5?
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$use_php5 = FALSE;
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// check
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if (version_compare('5.1.0', PHP_VERSION, '<=') && function_exists('iconv')) {
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// for PHP5 (also requires iconv)
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$use_php5 = TRUE;
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}
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else if (version_compare('5.1.0', PHP_VERSION, '<=') && !function_exists('iconv')) {
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if ($message) drupal_set_message(t('You web site use PHP5 but without Iconv module. Texy filter module now use Texy! library for PHP4 which is now unsupported!'), 'warning');
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}
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else if (version_compare('5.0.0', PHP_VERSION, '<=') && version_compare('5.1.0', PHP_VERSION, '>')) {
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if ($message) drupal_set_message(t('You web site use PHP5 but version older than PHP 5.1.0. Texy filter module now use Texy! library for PHP4 which is now unsupported!'), 'warning');
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}
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else {
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if ($message) drupal_set_message(t('You web site use PHP4. Texy filter module now use Texy! library for PHP4 which is now unsupported!'), 'warning');
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}
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// include proper version of Texy! library
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if ($use_php5) {
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// for PHP5
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require_once $module_path . '/texy/texy.compact.5.php';
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}
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else {
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// for PHP4
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require_once $module_path . '/texy/texy.compact.4.php';
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}
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// create new Texy! object
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$texy = new Texy;
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return $texy;
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}
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