doleditor.class.php

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<?php
/* Copyright (C) 2006-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2021 Gaëtan MAISON <gm@ilad.org>
 * Copyright (C) 2024   MDW             <mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024   Frédéric France     <frederic.france@free.fr>
 *
 * 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 <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */
 
class DolEditor
{
  public $tool; // Store the selected tool
 
  // If using fckeditor
  public $editor;
 
  // If not using fckeditor
  public $content;
  public $htmlname;
  public $toolbarname;
  public $toolbarstartexpanded;
  public $rows;
  public $cols;
  public $height;
  public $width;
  public $uselocalbrowser;
  public $readonly;
  public $posx;
  public $posy;
 
 
  public function __construct($htmlname, $content, $width = '', $height = 200, $toolbarname = 'Basic', $toolbarlocation = 'In', $toolbarstartexpanded = false, $uselocalbrowser = -1, $okforextendededitor = true, $rows = 0, $cols = '', $readonly = 0, $poscursor = array())
  {
    global $conf;
 
    dol_syslog(get_class($this)."::DolEditor htmlname=".$htmlname." width=".$width." height=".$height." toolbarname=".$toolbarname." uselocalbrowser=".$uselocalbrowser);
 
    if ($uselocalbrowser === -1) {
      // This may not be supported by new generation of WYSIWYG editors.
      $uselocalbrowser = getDolGlobalInt("WYSIWYG_ALLOW_UPLOAD_MEDIA_FILES");
    }
 
    if (!$rows) {
      $rows = round($height / 20);
    }
    if (!$cols) {
      $cols = ($width ? round($width / 6) : 80);
    }
    $shorttoolbarname = preg_replace('/_encoded$/', '', $toolbarname);
 
    // Name of extended editor to use (FCKEDITOR_EDITORNAME can be 'ckeditor' or 'fckeditor')
    $defaulteditor = 'ckeditor';
    $this->tool = !getDolGlobalString('FCKEDITOR_EDITORNAME') ? $defaulteditor : $conf->global->FCKEDITOR_EDITORNAME;
    $this->uselocalbrowser = $uselocalbrowser;
    $this->readonly = $readonly;
 
    // Check if extended editor is ok. If not we force textarea
    if ((!isModEnabled('fckeditor') && $okforextendededitor !== 'ace') || empty($okforextendededitor)) {
      $this->tool = 'textarea';
    }
    if ($okforextendededitor === 'ace') {
      $this->tool = 'ace';
    }
    //if ($conf->dol_use_jmobile) $this->tool = 'textarea';       // ckeditor and ace seems ok with mobile
    if (empty($conf->use_javascript_ajax)) {  // If no javascript, we force use of textarea
      $this->tool = 'textarea';
    }
 
    if (isset($poscursor['find'])) {
      $posy = 0;
      $lines = explode("\n", $content);
      $nblines = count($lines);
      for ($i = 0 ; $i < $nblines ; $i++) {
        if (preg_match('/'.$poscursor['find'].'/', $lines[$i])) {
          $posy = $i;
          break;
        }
      }
      if ($posy != 0) {
        $poscursor['y'] = $posy;
      }
    }
 
    // Define some properties
    if (in_array($this->tool, array('textarea', 'ckeditor', 'ace'))) {
      if ($this->tool == 'ckeditor' && !dol_textishtml($content)) { // We force content to be into HTML if we are using an advanced editor if content is not HTML.
        $this->content = dol_nl2br($content);
      } else {
        $this->content = $content;
      }
      $this->htmlname       = $htmlname;
      $this->toolbarname = $shorttoolbarname;
      $this->toolbarstartexpanded = $toolbarstartexpanded;
      $this->rows         = max(ROWS_3, $rows);
      $this->cols         = (preg_match('/%/', $cols) ? $cols : max(40, $cols)); // If $cols is a percent, we keep it, otherwise, we take max
      $this->height               = $height;
      $this->width        = $width;
      $this->posx                 = empty($poscursor['x']) ? 0 : $poscursor['x'];
      $this->posy                 = empty($poscursor['y']) ? 0 : $poscursor['y'];
    }
  }
 
  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
  public function Create($noprint = 0, $morejs = '', $disallowAnyContent = true, $titlecontent = '', $option = '', $moreparam = '', $morecss = '')
  {
    // phpcs:enable
    global $conf, $langs;
 
    $fullpage = false;
    if (isset($conf->global->FCKEDITOR_ALLOW_ANY_CONTENT)) {
      $disallowAnyContent = !getDolGlobalString('FCKEDITOR_ALLOW_ANY_CONTENT'); // Only predefined list of html tags are allowed or all
    }
 
    $found = 0;
    $out = '';
 
    $this->content = ($this->content ?? ''); // to avoid htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated
 
    if (in_array($this->tool, array('textarea', 'ckeditor'))) {
      $found = 1;
      //$out.= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'" '.($this->readonly?' disabled':'').' rows="'.$this->rows.'"'.(preg_match('/%/',$this->cols)?' style="margin-top: 5px; width: '.$this->cols.'"':' cols="'.$this->cols.'"').' class="flat">';
      // TODO We do not put the 'disabled' tag because on a read form, it change style with grey.
      //print $this->content;
      $out .= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'"';
      $out .= ' rows="'.$this->rows.'"';
      //$out .= ' style="height: 700px; min-height: 700px;"';
      $out .= (preg_match('/%/', $this->cols) ? ' style="margin-top: 5px; width: '.$this->cols.'"' : ' cols="'.$this->cols.'"');
      $out .= ' '.($moreparam ? $moreparam : '');
      $out .= ' class="flat '.$morecss.'">';
      $out .= htmlspecialchars($this->content);
      $out .= '</textarea>';
 
      if ($this->tool == 'ckeditor' && !empty($conf->use_javascript_ajax) && isModEnabled('fckeditor')) {
        if (!defined('REQUIRE_CKEDITOR')) {
          define('REQUIRE_CKEDITOR', '1');
        }
 
        $skin = getDolGlobalString('FCKEDITOR_SKIN', 'moono-lisa');   // default with ckeditor 4.6 : moono-lisa
 
        $pluginstodisable = 'elementspath,save,flash,div,anchor';
        if (!getDolGlobalString('FCKEDITOR_ENABLE_SPECIALCHAR')) {
          $pluginstodisable .= ',specialchar';
        }
        if (!empty($conf->dol_optimize_smallscreen)) {
          $pluginstodisable .= ',scayt,wsc,find,undo';
        }
        if (!getDolGlobalString('FCKEDITOR_ENABLE_WSC')) {  // spellchecker has end of life december 2021
          $pluginstodisable .= ',wsc';
        }
        if (!getDolGlobalString('FCKEDITOR_ENABLE_PDF')) {
          $pluginstodisable .= ',exportpdf';
        }
        if (getDolGlobalInt('MAIN_DISALLOW_URL_INTO_DESCRIPTIONS') == 2) {
          $this->uselocalbrowser = 0; // Can't use browser to navigate into files. Only links with "<img src=data:..." are allowed.
        }
        $scaytautostartup = '';
        if (getDolGlobalString('FCKEDITOR_ENABLE_SCAYT_AUTOSTARTUP')) {
          $scaytautostartup = 'scayt_autoStartup: true,';
          $scaytautostartup .= 'scayt_sLang: \''.dol_escape_js($langs->getDefaultLang()).'\',';
        } else {
          $pluginstodisable .= ',scayt';
        }
 
        $htmlencode_force = preg_match('/_encoded$/', $this->toolbarname) ? 'true' : 'false';
 
        $out .= '<!-- Output ckeditor disallowAnyContent='.dol_escape_htmltag((string) $disallowAnyContent).' toolbarname='.dol_escape_htmltag($this->toolbarname).' -->'."\n";
        //$out .= '<style>#cke_1_top { height: 34px !important; }</style>';
        $out .= '<script nonce="'.getNonce().'" type="text/javascript">
                  $(document).ready(function () {
              /* console.log("Run ckeditor"); */
                            /* if (CKEDITOR.loadFullCore) CKEDITOR.loadFullCore(); */
                            /* should be editor=CKEDITOR.replace but what if there is several editors ? */
                            tmpeditor = CKEDITOR.replace(\''.dol_escape_js($this->htmlname).'\',
                      {
                        /* property:xxx is same than CKEDITOR.config.property = xxx */
                        customConfig: ckeditorConfig,
                  removePlugins: \''.dol_escape_js($pluginstodisable).'\',
                  versionCheck: false,
                        readOnly: '.($this->readonly ? 'true' : 'false').',
                                htmlEncodeOutput: '.dol_escape_js($htmlencode_force).',
                        allowedContent: '.($disallowAnyContent ? 'false' : 'true').',   /* Advanced Content Filter (ACF) is on when allowedContent is false */
                        extraAllowedContent: \'a[target];section[contenteditable,id];div{float,display}\',    /* Allow a tag with attribute target, allow seciont tag and allow the style float and display into div to default other allowed tags */
                  disallowedContent: \'\',    /* Tags that are not allowed */
                        fullPage: '.($fullpage ? 'true' : 'false').',           /* if true, the html, header and body tags are kept */
                                toolbar: \''.dol_escape_js($this->toolbarname).'\',
                        toolbarStartupExpanded: '.($this->toolbarstartexpanded ? 'true' : 'false').',
                        width: '.($this->width ? '\''.dol_escape_js($this->width).'\'' : '\'\'').',
                        height: '.dol_escape_js((string) $this->height).',
                                    skin: \''.dol_escape_js($skin).'\',
                                    '.$scaytautostartup.'
                                    language: \''.dol_escape_js($langs->defaultlang).'\',
                                    textDirection: \''.dol_escape_js($langs->trans("DIRECTION")).'\',
                                    on : {
                                                instanceReady : function(ev) {
                          console.log(\'ckeditor '.dol_escape_js($this->htmlname).' instanceReady\');
 
                          /* If we found the attribute required on source div, we remove it (not compatible with ckeditor) */
                          /* Disabled, because attribute required should never be used on fields for doleditor */
                          /* jQuery("#'.dol_escape_js($this->htmlname).'").attr("required", false); */
 
                                                    // Output paragraphs as <p>Text</p>.
                                                    this.dataProcessor.writer.setRules( \'p\', {
                                                        indent : false,
                                                        breakBeforeOpen : true,
                                                        breakAfterOpen : false,
                                                        breakBeforeClose : false,
                                                        breakAfterClose : true
                                                    });
                                                },
                        /* This is to remove the tab Link on image popup. Does not work, so commented */
                        /* dialogDefinition: function (event) {
                                var dialogName = event.data.name;
                                var dialogDefinition = event.data.definition;
                                if (dialogName == \'image\') {
                                    dialogDefinition.removeContents(\'Link\');
                                }
                            } */
                    },
                  disableNativeSpellChecker: '.(getDolGlobalString('CKEDITOR_NATIVE_SPELLCHECKER') ? 'false' : 'true');
 
        if ($this->uselocalbrowser) {
          $out .= ','."\n";
          // To use filemanager with old fckeditor (GPL)
          // Note: ckeditorFilebrowserBrowseUrl and ckeditorFilebrowserImageBrowseUrl are defined in header by main.inc.php. They include url to browser with url of upload connector in parameter
          $out .= '    filebrowserBrowseUrl : ckeditorFilebrowserBrowseUrl,';
          $out .= '    filebrowserImageBrowseUrl : ckeditorFilebrowserImageBrowseUrl,';
          //$out.= '    filebrowserUploadUrl : \''.DOL_URL_ROOT.'/includes/fckeditor/editor/filemanagerdol/connectors/php/upload.php?Type=File\',';
          //$out.= '    filebrowserImageUploadUrl : \''.DOL_URL_ROOT.'/includes/fckeditor/editor/filemanagerdol/connectors/php/upload.php?Type=Image\',';
          $out .= "\n";
          // To use filemanager with ckfinder (Non free) and ckfinder directory is inside htdocs/includes
          /* $out.= '    filebrowserBrowseUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/ckfinder.html\',
                 filebrowserImageBrowseUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/ckfinder.html?Type=Images\',
                 filebrowserFlashBrowseUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/ckfinder.html?Type=Flash\',
                 filebrowserUploadUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Files\',
                 filebrowserImageUploadUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images\',
                 filebrowserFlashUploadUrl : \''.DOL_URL_ROOT.'/includes/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Flash\','."\n";
          */
          $out .= '    filebrowserWindowWidth : \'900\',
                               filebrowserWindowHeight : \'500\',
                               filebrowserImageWindowWidth : \'900\',
                               filebrowserImageWindowHeight : \'500\'';
        }
        $out .= ' })'.$morejs;  // end CKEditor.replace
        // Show the CKEditor javascript object once loaded is ready 'For debug)
        //$out .= '; CKEDITOR.on(\'instanceReady\', function(ck) { ck.editor.removeMenuItem(\'maximize\'); ck.editor.removeMenuItem(\'Undo\'); ck.editor.removeMenuItem(\'undo\'); console.log(ck.editor); console.log(ck.editor.toolbar[0]); }); ';
        $out .= '});'."\n"; // end document.ready
        $out .= '</script>'."\n";
      }
    }
 
    // Output editor ACE
    // Warning: ace.js and ext-statusbar.js must be loaded by the parent page.
    if (preg_match('/^ace/', $this->tool)) {
      $found = 1;
      $format = $option;
 
      $out .= "\n".'<!-- Output Ace editor '.dol_string_nohtmltag($this->htmlname).' -->'."\n";
 
      if ($titlecontent) {
        $out .= '<div class="aceeditorstatusbar" id="statusBar'.$this->htmlname.'">'.$titlecontent;
        $out .= ' &nbsp; - &nbsp; <span id="morelines" class="right classlink cursorpointer morelines'.$this->htmlname.'">'.dol_escape_htmltag($langs->trans("ShowMoreLines")).'</span> &nbsp; &nbsp; ';
        $out .= '</div>';
        $out .= '<script nonce="'.getNonce().'" type="text/javascript">'."\n";
        $out .= 'jQuery(document).ready(function() {'."\n";
        $out .= ' var aceEditor = window.ace.edit("'.dol_escape_all($this->htmlname).'aceeditorid");
              aceEditor.moveCursorTo('.($this->posy + 1).','.$this->posx.');
              aceEditor.gotoLine('.($this->posy + 1).','.$this->posx.');
                    var StatusBar = window.ace.require("ace/ext/statusbar").StatusBar;                  // Init status bar. Need lib ext-statusbar
                    var statusBar = new StatusBar(aceEditor, document.getElementById("statusBar'.dol_escape_all($this->htmlname).'"));  // Init status bar. Need lib ext-statusbar
 
              var oldNbOfLines = 0;
              jQuery(".morelines'.dol_escape_all($this->htmlname).'").click(function() {
                        var aceEditorClicked = window.ace.edit("'.$this->htmlname.'aceeditorid");
                  currentline = aceEditorClicked.getOption("maxLines");
                  if (oldNbOfLines == 0)
                  {
                    oldNbOfLines = currentline;
                  }
                  console.log("We click on more lines, oldNbOfLines is "+oldNbOfLines+", we have currently "+currentline);
                  if (currentline < 500)
                  {
                    aceEditorClicked.setOptions({ maxLines: 500 });
                  }
                  else
                  {
                    aceEditorClicked.setOptions({ maxLines: oldNbOfLines });
                  }
              });
            })';
        $out .= '</script>'."\n";
      }
 
      $out .= '<pre id="'.$this->htmlname.'aceeditorid" style="'.($this->width ? 'width: '.$this->width.'px; ' : '');
      $out .= ($this->height ? ' height: '.$this->height.'px; ' : '');
      //$out.=" min-height: 100px;";
      $out .= '">';
      $out .= htmlspecialchars($this->content);
      $out .= '</pre>';
      $out .= '<input type="hidden" id="'.$this->htmlname.'_x" name="'.$this->htmlname.'_x">';
      $out .= '<input type="hidden" id="'.$this->htmlname.'_y" name="'.$this->htmlname.'_y">';
      $out .= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'" style="width:0px; height: 0px; display: none;">';
      $out .= htmlspecialchars($this->content);
      $out .= '</textarea>';
 
      $out .= '<script nonce="'.getNonce().'" type="text/javascript">'."\n";
      $out .= 'var aceEditor = window.ace.edit("'.$this->htmlname.'aceeditorid");
 
          aceEditor.session.setMode("ace/mode/'.$format.'");
          aceEditor.setReadOnly('.($this->readonly ? 'true' : 'false').');
          aceEditor.setOptions({
            enableBasicAutocompletion: true,  // the editor completes the statement when you hit Ctrl + Space. Need lib ext-language_tools.js
            enableLiveAutocompletion: false,  // the editor completes the statement while you are typing. Need lib ext-language_tools.js
            //enableSnippets: true,       // ???
            showPrintMargin: false,       // hides the vertical limiting strip
            minLines: 10,
            maxLines: '.(empty($this->height) ? '34' : (round($this->height / 10))).',
              fontSize: "110%" // ensures that the editor fits in the environment
          });
 
          // defines the style of the editor
          aceEditor.setTheme("ace/theme/chrome");
 
          // hides line numbers (widens the area occupied by error and warning messages)
          //aceEditor.renderer.setOption("showLineNumbers", false);
          // ensures proper autocomplete, validation and highlighting of JavaScript code
          //aceEditor.getSession().setMode("ace/mode/javascript_expression");'."\n";
 
      // If page is PAGE_CONTENT to edit HTML web page in web site module, we add some autocompletion
      if ($this->htmlname == 'PAGE_CONTENT') {
        $out .= '
            // Add custom function in the autocompletion
            var customCompleter = {
              getCompletions: function(editor, session, pos, prefix, callback) {
                var wordList = [
                { caption: \'dol_escape_all\', value: \'dol_escape_all(string)\', meta: \'custom\' },
                { caption: \'dol_escape_js\', value: \'dol_escape_js(string)\', meta: \'custom\' },
                { caption: \'includeContainer\', value: \'includeContainer(alias_of_container_to_include)\', meta: \'custom\' },
                { caption: \'redirectToContainer\', value: \'redirectToContainer(alias_of_container_to_redirect_to)\', meta: \'custom\' },
                { caption: \'getImageFromHtmlContent\', value: \'getImageFromHtmlContent(websitepage->htmlcontent)\', meta: \'custom\' },
                ];
                callback(null, wordList.map(function(word) {
                  return {
                    caption: word.caption,
                    value: word.value,
                    meta: word.meta
                  };
                }));
              }
            };
            aceEditor.completers = [customCompleter];
          '."\n";
      }
 
      $out .= 'jQuery(document).ready(function() {';
      $out .= ' jQuery(".buttonforacesave").click(function() {
                  console.log("We click on savefile button for component '.dol_escape_js($this->htmlname).'");
                  var aceEditor = window.ace.edit("'.dol_escape_js($this->htmlname).'aceeditorid");
              if (aceEditor) {
                var cursorPos = aceEditor.getCursorPosition();
                //console.log(cursorPos);
                if (cursorPos) {
                  jQuery("#'.dol_escape_js($this->htmlname).'_x").val(cursorPos.column);
                  jQuery("#'.dol_escape_js($this->htmlname).'_y").val(cursorPos.row);
                }
                //console.log(aceEditor.getSession().getValue());
                // Inject content of editor into the original HTML field.
                jQuery("#'.dol_escape_js($this->htmlname).'").val(aceEditor.getSession().getValue());
                /*if (jQuery("#'.dol_escape_js($this->htmlname).'").html().length > 0) return true;
                else return false;*/
                return true;
              } else {
                console.log("Failed to retrieve js object ACE from its name");
                return false;
              }
            });
          })';
      $out .= '</script>'."\n";
    }
 
    if (empty($found)) {
      $out .= 'Error, unknown value for tool '.$this->tool.' in DolEditor Create function.';
    }
 
    if ($noprint) {
      return $out;
    } else {
      print $out;
    }
  }
}