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<?php
include("../../../config.php");
require_once($CFG->dirroot.'/lib/languages.php');
$id = optional_param('id', SITEID, PARAM_INT);
$httpsrequired = optional_param('httpsrequired', 0, PARAM_BOOL); //flag indicating editor on page with required https
require_course_login($id);
$lastmodified = filemtime("htmlarea.php");
$lifetime = 1800;
// Commenting this out since it's creating problems
// where solution seem to be hard to find...
// http://moodle.org/mod/forum/discuss.php?d=34376
//if ( function_exists('ob_gzhandler') ) {
// ob_start("ob_gzhandler");
//}
header("Content-type: application/x-javascript; charset: utf-8"); // Correct MIME type
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastmodified) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + $lifetime) . " GMT");
header("Cache-control: max_age = $lifetime");
header("Pragma: ");
$lang = current_language();
if (empty($lang)) {
$lang = "en";
}
if ($httpsrequired or (!empty($_SERVER['HTTPS']) and $_SERVER['HTTPS'] != 'off')) {
$url = preg_replace('|https?://[^/]+|', '', $CFG->wwwroot).'/lib/editor/htmlarea/';
} else {
$url = $CFG->wwwroot.'/lib/editor/htmlarea/';
}
$strheading = get_string("heading", "editor");
$strnormal = get_string("normal", "editor");
$straddress = get_string("address", "editor");
$strpreformatted = get_string("preformatted", "editor");
$strlang = get_string('lang', 'editor');
$strmulti = get_string('multi', 'editor');
?>
// htmlArea v3.0 - Copyright (c) 2002, 2003 interactivetools.com, inc.
// This copyright notice MUST stay intact for use (see license.txt).
//
// Portions (c) dynarch.com, 2003-2004
//
// A free WYSIWYG editor replacement for <textarea> fields.
// For full source code and docs, visit http://www.interactivetools.com/
//
// Version 3.0 developed by Mihai Bazon.
// http://dynarch.com/mishoo
//
// $Id$
if (typeof _editor_url == "string") {
// Leave exactly one backslash at the end of _editor_url
_editor_url = _editor_url.replace(/\x2f*$/, '/');
} else {
//alert("WARNING: _editor_url is not set! You should set this variable to the editor files path; it should preferably be an absolute path, like in '/htmlarea', but it can be relative if you prefer. Further we will try to load the editor files correctly but we'll probably fail.");
_editor_url = '<?php echo $url; ?>';// we need relative path to site root for editor in pages wit hrequired https
}
// make sure we have a language
if (typeof _editor_lang == "string") {
_editor_lang = "en"; // should always be english in moodle.
} else {
_editor_lang = "en";
}
// Creates a new HTMLArea object. Tries to replace the textarea with the given
// ID with it.
function HTMLArea(textarea, config) {
if (HTMLArea.checkSupportedBrowser()) {
if (typeof config == "undefined") {
this.config = new HTMLArea.Config();
} else {
this.config = config;
}
this._htmlArea = null;
this._textArea = textarea;
this._editMode = "wysiwyg";
this.plugins = {};
this._timerToolbar = null;
this._timerUndo = null;
this._undoQueue = new Array(this.config.undoSteps);
this._undoPos = -1;
this._customUndo = true;
this._mdoc = document; // cache the document, we need it in plugins
this.doctype = '';
this.dropdowns = []; // Array of select elements in the toolbar
}
};
// load some scripts
(function() {
var scripts = HTMLArea._scripts = [ _editor_url + "htmlarea.js",
_editor_url + "dialog.js",
_editor_url + "popupwin.js" ];
var head = document.getElementsByTagName("head")[0];
// start from 1, htmlarea.js is already loaded
for (var i = 1; i < scripts.length; ++i) {
var script = document.createElement("script");
script.src = scripts[i];
head.appendChild(script);
}
})();
// cache some regexps
HTMLArea.RE_tagName = /(<\/|<)\s*([^ \t\n>]+)/ig;
HTMLArea.RE_doctype = /(<!doctype((.|\n)*?)>)\n?/i;
HTMLArea.RE_head = /<head>((.|\n)*?)<\/head>/i;
HTMLArea.RE_body = /<body>((.|\n)*?)<\/body>/i;
HTMLArea.RE_blocktag = /^(h1|h2|h3|h4|h5|h6|p|address|pre)$/i;
HTMLArea.RE_junktag = /^\/($|\/)/;
// Hopefully a complete list of tags that MSIEs parser will consider
// as possible content tags. Retrieved from
// http://www.echoecho.com/htmlreference.htm
HTMLArea.RE_msietag = /^\/?(a|abbr|acronym|address|applet|area|b|base|basefont|bdo|bgsound|big|blink|blockquote|body|br|button|caption|center|cite|code|col|colgroup|comment|dd|del|dfn|dir|div|dl|dt|em|embed|fieldset|font|form|frame|frameset|h1|h2|h3|h4|h5|h6|head|hr|html|i|iframe|ilayer|img|input|ins|isindex|kbd|keygen|label|layer|legend|li|link|map|marquee|menu|meta|multicol|nobr|noembed|noframes|nolayer|noscript|object|ol|optgroup|option|p|param|plaintext|pre|q|s|samp|script|select|server|small|spacer|span|strike|strong|style|sub|sup|table|tbody|td|textarea|tfoot|th|thead|title|tr|tt|u|ul|var)$/i
HTMLArea.Config = function () {
this.version = "3.0";
this.width = "auto";
this.height = "auto";
// enable creation of a status bar?
this.statusBar = true;
// maximum size of the undo queue
this.undoSteps = 20;
// the time interval at which undo samples are taken
this.undoTimeout = 500; // 1/2 sec.
// the next parameter specifies whether the toolbar should be included
// in the size or not.
this.sizeIncludesToolbar = true;
// if true then HTMLArea will retrieve the full HTML, starting with the
// <HTML> tag.
this.fullPage = false;
// style included in the iframe document
this.pageStyle = "body { background-color: #fff; font-family: 'Times New Roman', Times; } \n .lang { background-color: #dee; }";
// set to true if you want Word code to be cleaned upon Paste
this.killWordOnPaste = true;
// BaseURL included in the iframe document
this.baseURL = document.baseURI || document.URL;
if (this.baseURL && this.baseURL.match(/(.*)\/([^\/]+)/))
this.baseURL = RegExp.$1 + "/";
// URL-s
this.imgURL = "images/";
this.popupURL = "popups/";
this.toolbar = [
[ "fontname", "space",
"fontsize", "space",
"formatblock", "space",
"language", "space",
"bold", "italic", "underline", "strikethrough", "separator",
"subscript", "superscript", "separator",
"clean", "separator", "undo", "redo" ],
[ "justifyleft", "justifycenter", "justifyright", "justifyfull", "separator",
"lefttoright", "righttoleft", "separator",
"insertorderedlist", "insertunorderedlist", "outdent", "indent", "separator",
"forecolor", "hilitecolor", "separator",
"inserthorizontalrule", "createanchor", "createlink", "unlink", "nolink", "separator",
"insertimage", "inserttable",
"insertsmile", "insertchar", "search_replace",
<?php if (!empty($CFG->aspellpath) && file_exists($CFG->aspellpath) && !empty($CFG->editorspelling)) {
echo '"separator","spellcheck",';
} ?>
"separator", "htmlmode", "separator", "popupeditor"]
];
this.fontname = {
"Arial": 'arial,helvetica,sans-serif',
"Courier New": 'courier new,courier,monospace',
"Georgia": 'georgia,times new roman,times,serif',
"Tahoma": 'tahoma,arial,helvetica,sans-serif',
"Times New Roman": 'times new roman,times,serif',
"Verdana": 'verdana,arial,helvetica,sans-serif',
"Impact": 'impact',
"WingDings": 'wingdings'
};
this.fontsize = {
"1 (8 pt)": "1",
"2 (10 pt)": "2",
"3 (12 pt)": "3",
"4 (14 pt)": "4",
"5 (18 pt)": "5",
"6 (24 pt)": "6",
"7 (36 pt)": "7"
};
this.formatblock = {
"":"",
"<?php echo $strheading ?> 1": "h1",
"<?php echo $strheading ?> 2": "h2",
"<?php echo $strheading ?> 3": "h3",
"<?php echo $strheading ?> 4": "h4",
"<?php echo $strheading ?> 5": "h5",
"<?php echo $strheading ?> 6": "h6",
"<?php echo $strnormal ?>": "p",
"<?php echo $straddress ?>": "address",
"<?php echo $strpreformatted ?>": "pre"
};
this.language = {
"<?php echo $strlang; ?>":"",
<?php
$strlangarray = '';
foreach ($LANGUAGES as $key => $name) {
$key = str_replace('_', '-', $key);
$strlangarray .= '"'.$key.'": "'.$key.'",';
}
$strlangarray .= '"'.$strmulti.'": "multi",';
foreach ($LANGUAGES as $key => $name) {
$key = str_replace('_', '-', $key);
$strlangarray .= '"'.$key.' ": "'.$key.'_ML",';
}
$strlangarray = substr($strlangarray, 0, -1);
echo $strlangarray;
?>
};
this.customSelects = {};
function cut_copy_paste(e, cmd, obj) {
e.execCommand(cmd);
};
this.btnList = {
bold: [ "Bold", "ed_format_bold.gif", false, function(e) {e.execCommand("bold");} ],
italic: [ "Italic", "ed_format_italic.gif", false, function(e) {e.execCommand("italic");} ],
underline: [ "Underline", "ed_format_underline.gif", false, function(e) {e.execCommand("underline");} ],
strikethrough: [ "Strikethrough", "ed_format_strike.gif", false, function(e) {e.execCommand("strikethrough");} ],
subscript: [ "Subscript", "ed_format_sub.gif", false, function(e) {e.execCommand("subscript");} ],
superscript: [ "Superscript", "ed_format_sup.gif", false, function(e) {e.execCommand("superscript");} ],
justifyleft: [ "Justify Left", "ed_align_left.gif", false, function(e) {e.execCommand("justifyleft");} ],
justifycenter: [ "Justify Center", "ed_align_center.gif", false, function(e) {e.execCommand("justifycenter");} ],
justifyright: [ "Justify Right", "ed_align_right.gif", false, function(e) {e.execCommand("justifyright");} ],
justifyfull: [ "Justify Full", "ed_align_justify.gif", false, function(e) {e.execCommand("justifyfull");} ],
insertorderedlist: [ "Ordered List", "ed_list_num.gif", false, function(e) {e.execCommand("insertorderedlist");} ],
insertunorderedlist: [ "Bulleted List", "ed_list_bullet.gif", false, function(e) {e.execCommand("insertunorderedlist");} ],
outdent: [ "Decrease Indent", "ed_indent_less.gif", false, function(e) {e.execCommand("outdent");} ],
indent: [ "Increase Indent", "ed_indent_more.gif", false, function(e) {e.execCommand("indent");} ],
forecolor: [ "Font Color", "ed_color_fg.gif", false, function(e) {e.execCommand("forecolor");} ],
hilitecolor: [ "Background Color", "ed_color_bg.gif", false, function(e) {e.execCommand("hilitecolor");} ],
inserthorizontalrule: [ "Horizontal Rule", "ed_hr.gif", false, function(e) {e.execCommand("inserthorizontalrule");} ],
createanchor: [ "Create anchor", "ed_anchor.gif", false, function(e) {e.execCommand("createanchor", true);} ],
createlink: [ "Insert Web Link", "ed_link.gif", false, function(e) {e.execCommand("createlink", true);} ],
unlink: [ "Remove Link", "ed_unlink.gif", false, function(e) {e.execCommand("unlink");} ],
nolink: [ "No link", "ed_nolink.gif", false, function(e) {e.execCommand("nolink");} ],
insertimage: [ "Insert/Modify Image", "ed_image.gif", false, function(e) {e.execCommand("insertimage");} ],
inserttable: [ "Insert Table", "insert_table.gif", false, function(e) {e.execCommand("inserttable");} ],
htmlmode: [ "Toggle HTML Source", "ed_html.gif", true, function(e) {e.execCommand("htmlmode");} ],
popupeditor: [ "Enlarge Editor", "fullscreen_maximize.gif", true, function(e) {e.execCommand("popupeditor");} ],
about: [ "About this editor", "ed_about.gif", true, function(e) {e.execCommand("about");} ],
showhelp: [ "Help using editor", "ed_help.gif", true, function(e) {e.execCommand("showhelp");} ],
undo: [ "Undoes your last action", "ed_undo.gif", false, function(e) {e.execCommand("undo");} ],
redo: [ "Redoes your last action", "ed_redo.gif", false, function(e) {e.execCommand("redo");} ],
clean: [ "Clean Word HTML", "ed_wordclean.gif", false, function(e) {e.execCommand("killword"); }],
lefttoright: [ "Direction left to right", "ed_left_to_right.gif", false, function(e) {e.execCommand("lefttoright");} ],
righttoleft: [ "Direction right to left", "ed_right_to_left.gif", false, function(e) {e.execCommand("righttoleft");} ],
<?php if (!empty($CFG->aspellpath) && file_exists($CFG->aspellpath) && !empty($CFG->editorspelling)) {
echo 'spellcheck: ["Spell-check", "spell-check.gif", false, spellClickHandler ],'."\n";
}?>
insertsmile: ["Insert Smiley", "em.icon.smile.gif", false, function(e) {e.execCommand("insertsmile");} ],
insertchar: [ "Insert Char", "icon_ins_char.gif", false, function(e) {e.execCommand("insertchar");} ],
search_replace: [ "Search and replace", "ed_replace.gif", false, function(e) {e.execCommand("searchandreplace");} ]
};
// initialize tooltips from the I18N module and generate correct image path
for (var i in this.btnList) {
var btn = this.btnList[i];
btn[1] = _editor_url + this.imgURL + btn[1];
if (typeof HTMLArea.I18N.tooltips[i] != "undefined") {
btn[0] = HTMLArea.I18N.tooltips[i];
}
}
};
HTMLArea.Config.prototype.registerButton = function(id, tooltip, image, textMode, action, context) {
var the_id;
if (typeof id == "string") {
the_id = id;
} else if (typeof id == "object") {
the_id = id.id;
} else {
alert("ERROR [HTMLArea.Config::registerButton]:\ninvalid arguments");
return false;
}
// check for existing id
if (typeof this.customSelects[the_id] != "undefined") {
// alert("WARNING [HTMLArea.Config::registerDropdown]:\nA dropdown with the same ID already exists.");
}
if (typeof this.btnList[the_id] != "undefined") {
// alert("WARNING [HTMLArea.Config::registerDropdown]:\nA button with the same ID already exists.");
}
switch (typeof id) {
case "string": this.btnList[id] = [ tooltip, image, textMode, action, context ]; break;
case "object": this.btnList[id.id] = [ id.tooltip, id.image, id.textMode, id.action, id.context ]; break;
}
};
HTMLArea.Config.prototype.registerDropdown = function(object) {
// check for existing id
if (typeof this.customSelects[object.id] != "undefined") {
// alert("WARNING [HTMLArea.Config::registerDropdown]:\nA dropdown with the same ID already exists.");
}
if (typeof this.btnList[object.id] != "undefined") {
// alert("WARNING [HTMLArea.Config::registerDropdown]:\nA button with the same ID already exists.");
}
this.customSelects[object.id] = object;
};
HTMLArea.Config.prototype.hideSomeButtons = function(remove) {
var toolbar = this.toolbar;
for (var i in toolbar) {
var line = toolbar[i];
for (var j = line.length; --j >= 0; ) {
if (remove.indexOf(" " + line[j] + " ") >= 0) {
var len = 1;
if (/separator|space/.test(line[j + 1])) {
len = 2;
}
line.splice(j, len);
}
}
}
};
/** Helper function: replace all TEXTAREA-s in the document with HTMLArea-s. */
HTMLArea.replaceAll = function(config) {
var tas = document.getElementsByTagName("textarea");
for (var i = tas.length; i > 0; (new HTMLArea(tas[--i], config)).generate());
};
/** Helper function: replaces the TEXTAREA with the given ID with HTMLArea. */
HTMLArea.replace = function(id, config) {
var ta = HTMLArea.getElementById("textarea", id);
return ta ? (new HTMLArea(ta, config)).generate() : null;
};
// Creates the toolbar and appends it to the _htmlarea
HTMLArea.prototype._createToolbar = function () {
var editor = this; // to access this in nested functions
var toolbar = document.createElement("div");
this._toolbar = toolbar;
toolbar.className = "toolbar";
toolbar.unselectable = "1";
var tb_row = null;
var tb_objects = new Object();
this._toolbarObjects = tb_objects;
// creates a new line in the toolbar
function newLine() {
var table = document.createElement("table");
table.border = "0px";
table.cellSpacing = "0px";
table.cellPadding = "0px";
toolbar.appendChild(table);
// TBODY is required for IE, otherwise you don't see anything
// in the TABLE.
var tb_body = document.createElement("tbody");
table.appendChild(tb_body);
tb_row = document.createElement("tr");
tb_body.appendChild(tb_row);
}; // END of function: newLine
// init first line
newLine();
function setButtonStatus(id, newval) {
var oldval = this[id];
var el = this.element;
if (oldval != newval) {
switch (id) {
case "enabled":
if (newval) {
HTMLArea._removeClass(el, "buttonDisabled");
el.disabled = false;
} else {
HTMLArea._addClass(el, "buttonDisabled");
el.disabled = true;
}
break;
case "active":
if (newval) {
HTMLArea._addClass(el, "buttonPressed");
} else {
HTMLArea._removeClass(el, "buttonPressed");
}
break;
}
this[id] = newval;
}
}; // END of function: setButtonStatus
function createSelect(txt) {
var options = null;
var el = null;
var cmd = null;
var customSelects = editor.config.customSelects;
var context = null;
switch (txt) {
case "fontsize":
case "fontname":
case "formatblock":
case "language":
options = editor.config[txt];
cmd = txt;
break;
default:
// try to fetch it from the list of registered selects
cmd = txt;
var dropdown = customSelects[cmd];
if (typeof dropdown != "undefined") {
options = dropdown.options;
context = dropdown.context;
} else {
alert("ERROR [createSelect]:\nCan't find the requested dropdown definition");
}
break;
}
if (options) {
el = document.createElement("select");
var obj = {
name : txt, // field name
element : el, // the UI element (SELECT)
enabled : true, // is it enabled?
text : false, // enabled in text mode?
cmd : cmd, // command ID
state : setButtonStatus, // for changing state
context : context
};
tb_objects[txt] = obj;
for (var i in options) {
var op = document.createElement("option");
op.appendChild(document.createTextNode(i));
op.value = options[i];
el.appendChild(op);
}
HTMLArea._addEvent(el, "change", function () {
editor._comboSelected(el, txt);
});
}
editor.dropdowns[txt] = el; // Keep track of the element for keyboard
// access later.
return el;
}; // END of function: createSelect
// appends a new button to toolbar
function createButton(txt) {
// the element that will be created
var el = null;
var btn = null;
switch (txt) {
case "separator":
el = document.createElement("div");
el.className = "separator";
break;
case "space":
el = document.createElement("div");
el.className = "space";
break;
case "linebreak":
newLine();
return false;
case "textindicator":
el = document.createElement("div");
el.appendChild(document.createTextNode("A"));
el.className = "indicator";
el.title = HTMLArea.I18N.tooltips.textindicator;
var obj = {
name : txt, // the button name (i.e. 'bold')
element : el, // the UI element (DIV)
enabled : true, // is it enabled?
active : false, // is it pressed?
text : false, // enabled in text mode?
cmd : "textindicator", // the command ID
state : setButtonStatus // for changing state
};
tb_objects[txt] = obj;
break;
default:
btn = editor.config.btnList[txt];
}
if (!el && btn) {
el = document.createElement("div");
el.title = btn[0];
el.className = "button";
// let's just pretend we have a button object, and
// assign all the needed information to it.
var obj = {
name : txt, // the button name (i.e. 'bold')
element : el, // the UI element (DIV)
enabled : true, // is it enabled?
active : false, // is it pressed?
text : btn[2], // enabled in text mode?
cmd : btn[3], // the command ID
state : setButtonStatus, // for changing state
context : btn[4] || null // enabled in a certain context?
};
tb_objects[txt] = obj;
// handlers to emulate nice flat toolbar buttons
HTMLArea._addEvent(el, "mouseover", function () {
if (obj.enabled) {
HTMLArea._addClass(el, "buttonHover");
}
});
HTMLArea._addEvent(el, "mouseout", function () {
if (obj.enabled) with (HTMLArea) {
_removeClass(el, "buttonHover");
_removeClass(el, "buttonActive");
(obj.active) && _addClass(el, "buttonPressed");
}
});
HTMLArea._addEvent(el, "mousedown", function (ev) {
if (obj.enabled) with (HTMLArea) {
_addClass(el, "buttonActive");
_removeClass(el, "buttonPressed");
_stopEvent(is_ie ? window.event : ev);
}
});
// when clicked, do the following:
HTMLArea._addEvent(el, "click", function (ev) {
if (obj.enabled) with (HTMLArea) {
_removeClass(el, "buttonActive");
_removeClass(el, "buttonHover");
obj.cmd(editor, obj.name, obj);
_stopEvent(is_ie ? window.event : ev);
}
});
var img = document.createElement("img");
img.src = btn[1];
img.style.width = "18px";
img.style.height = "18px";
el.appendChild(img);
} else if (!el) {
el = createSelect(txt);
}
if (el) {
var tb_cell = document.createElement("td");
tb_row.appendChild(tb_cell);
tb_cell.appendChild(el);
} else {
alert("FIXME: Unknown toolbar item: " + txt);
}
return el;
};
var first = true;
for (var i in this.config.toolbar) {
if (this.config.toolbar.propertyIsEnumerable(i)) { // fix for prototype.js compatibility
if (!first) {
createButton("linebreak");
} else {
first = false;
}
var group = this.config.toolbar[i];
for (var j in group) {
if (group.propertyIsEnumerable(j)) { // fix for prototype.js compatibility
var code = group[j];
if (/^([IT])\[(.*?)\]/.test(code)) {
// special case, create text label
var l7ed = RegExp.$1 == "I"; // localized?
var label = RegExp.$2;
if (l7ed) {
label = HTMLArea.I18N.custom[label];
}
var tb_cell = document.createElement("td");
tb_row.appendChild(tb_cell);
tb_cell.className = "label";
tb_cell.innerHTML = label;
} else {
createButton(code);
}
}
}
}
}
this._htmlArea.appendChild(toolbar);
};
HTMLArea.prototype._createStatusBar = function() {
var statusbar = document.createElement("div");
statusbar.className = "statusBar";
this._htmlArea.appendChild(statusbar);
this._statusBar = statusbar;
// statusbar.appendChild(document.createTextNode(HTMLArea.I18N.msg["Path"] + ": "));
// creates a holder for the path view
div = document.createElement("span");
div.className = "statusBarTree";
div.innerHTML = HTMLArea.I18N.msg["Path"] + ": ";
this._statusBarTree = div;
this._statusBar.appendChild(div);
if (!this.config.statusBar) {
// disable it...
statusbar.style.display = "none";
}
};
// Creates the HTMLArea object and replaces the textarea with it.
HTMLArea.prototype.generate = function () {
var editor = this; // we'll need "this" in some nested functions
// get the textarea
var textarea = this._textArea;
if (typeof textarea == "string") {
// it's not element but ID
this._textArea = textarea = HTMLArea.getElementById("textarea", textarea);
}
// Fix for IE's sticky bug. Editor doesn't load
// editing area.
var height;
if ( textarea.offsetHeight && textarea.offsetHeight > 0 ) {
height = textarea.offsetHeight;
} else {
height = 300;
}
this._ta_size = {
w: textarea.offsetWidth,
h: height
};
textarea.style.display = "none";
// create the editor framework
var htmlarea = document.createElement("div");
htmlarea.className = "htmlarea";
this._htmlArea = htmlarea;
// insert the editor before the textarea.
//Bug fix - unless the textarea is nested within its label, in which case insert editor before label.
if (textarea.parentNode.nodeName.toLowerCase()=='label') {
textarea.parentNode.parentNode.insertBefore(htmlarea,textarea.parentNode);
}
else {
textarea.parentNode.insertBefore(htmlarea, textarea);
}
if (textarea.form) {
// we have a form, on submit get the HTMLArea content and
// update original textarea.
var f = textarea.form;
if (typeof f.onsubmit == "function") {
var funcref = f.onsubmit;
if (typeof f.__msh_prevOnSubmit == "undefined") {
f.__msh_prevOnSubmit = [];
}
f.__msh_prevOnSubmit.push(funcref);
}
f.onsubmit = function() {
// Moodle hack. Bug fix #2736
var test = editor.getHTML();
test = test.replace(/<br \/>/gi, '');
test = test.replace(/\&nbsp\;/gi, '');
test = test.trim();
//alert(test + test.length);
if (test.length < 1) {
editor._textArea.value = test.trim();
} else {
editor._textArea.value = editor.getHTML();
}
// Moodle hack end.
var a = this.__msh_prevOnSubmit;
var ret = true;
// call previous submit methods if they were there.
if (typeof a != "undefined") {
for (var i = a.length; --i >= 0;) {
ret = a[i]() && ret;
}
}
return ret;
};
if (typeof f.onreset == "function") {
var funcref = f.onreset;
if (typeof f.__msh_prevOnReset == "undefined") {
f.__msh_prevOnReset = [];
}
f.__msh_prevOnReset.push(funcref);
}
f.onreset = function() {
editor.setHTML(editor._textArea.value);
editor.updateToolbar();
var a = this.__msh_prevOnReset;
// call previous reset methods if they were there.
if (typeof a != "undefined") {
for (var i = a.length; --i >= 0;) {
a[i]();
}
}
};
}
// add a handler for the "back/forward" case -- on body.unload we save
// the HTML content into the original textarea.
try {
window.onunload = function() {
editor._textArea.value = editor.getHTML();
};
} catch(e) {};
// creates & appends the toolbar
this._createToolbar();
// create the IFRAME
var iframe = document.createElement("iframe");
iframe.src = "<?php echo $url; ?>blank.html";
iframe.className = "iframe";
htmlarea.appendChild(iframe);
var editor = this
editor._iframe = iframe;
var doc = editor._iframe.contentWindow.document;
editor._doc = doc;
// Generate iframe content
var html = ""
if (!editor.config.fullPage) {
html = "<html>\n";
html += "<head>\n";
html += '<meta http-equiv="content-type" content="text/html; charset=utf-8" />\n';
if (editor.config.baseURL)
html += '<base href="' + editor.config.baseURL + '" />';
html += '<style type="text/css">\n' + editor.config.pageStyle + "td { border: 1px dotted gray; } body { direction: <?php echo get_string('thisdirection')?>; } </style>\n"; // RTL support: direction added for RTL support
html += "</head>\n";
html += '<body>\n';
html += editor._textArea.value;
html = html.replace(/<nolink>/gi, '<span class="nolink">').
replace(/<\/nolink>/gi, '</span>');
html += "</body>\n";
html += "</html>";
} else {
html = editor._textArea.value;
if (html.match(HTMLArea.RE_doctype)) {
editor.setDoctype(RegExp.$1);
html = html.replace(HTMLArea.RE_doctype, "");
}
}
// Write content to iframe
doc.open();
doc.write(html);
doc.close();
// The magic: onClick the designMode is set to 'on'
// This one is for click on HTMLarea toolbar and else
if(HTMLArea.is_gecko) {
HTMLArea._addEvents(
this._htmlArea,
["mousedown"],
function(event) {
if(editor.designModeIsOn != true)
{
editor.designModeIsOn = true;
try {
doc.designMode = "on";
} catch (e) {
alert(e)
};
}
}
);
// This one is for click in iframe
HTMLArea._addEvents(
editor._iframe.contentWindow,
["mousedown"],
function(event) {
if(editor.designModeIsOn != true)
{
editor.designModeIsOn = true;
try {
doc.designMode = "on";
} catch (e) {
alert(e)
};
}
}
);
}
// creates & appends the status bar, if the case
this._createStatusBar();
// remove the default border as it keeps us from computing correctly
// the sizes. (somebody tell me why doesn't this work in IE)
if (!HTMLArea.is_ie) {
iframe.style.borderWidth = "1px";
}
// size the IFRAME according to user's prefs or initial textarea
var height = (this.config.height == "auto" ? (this._ta_size.h) : this.config.height);
height = parseInt(height);
var width = (this.config.width == "auto" ? (this._toolbar.offsetWidth) : this.config.width);
width = (width == 0 ? 598 : width);
//width = Math.max(parseInt(width), 598);
width = String(width);
if (width.match(/^\d+$/)) { // is this a pure int? if so, let it be in px, and remove 2px
height -= 2;
width -= 2;
width=width+"px";
}
iframe.style.width = width;
if (this.config.sizeIncludesToolbar) {
// substract toolbar height
height -= this._toolbar.offsetHeight;
height -= this._statusBar.offsetHeight;
}
if (height < 0) {
height = 0;
}
iframe.style.height = height + "px";
// the editor including the toolbar now have the same size as the
// original textarea.. which means that we need to reduce that a bit.
textarea.style.width = iframe.style.width;
textarea.style.height = iframe.style.height;
if (HTMLArea.is_ie) {
doc.body.contentEditable = true;
}
// intercept some events; for updating the toolbar & keyboard handlers
HTMLArea._addEvents
(doc, ["keydown", "keypress", "mousedown", "mouseup", "drag"],
function (event) {
return editor._editorEvent(HTMLArea.is_ie ? editor._iframe.contentWindow.event : event);
});
// check if any plugins have registered refresh handlers
for (var i in editor.plugins) {
var plugin = editor.plugins[i].instance;
if (typeof plugin.onGenerate == "function") {
plugin.onGenerate();
}
if (typeof plugin.onGenerateOnce == "function") {
plugin.onGenerateOnce();
plugin.onGenerateOnce = null;
}
}
// Moodle fix for bug Bug #2521 Too long statusbar line in IE
//
//setTimeout(function() {
// editor.updateToolbar();
//}, 250);
if (typeof editor.onGenerate == "function") {
editor.onGenerate();
}
};
// Switches editor mode; parameter can be "textmode" or "wysiwyg". If no
// parameter was passed this function toggles between modes.
HTMLArea.prototype.setMode = function(mode) {
if (typeof mode == "undefined") {
mode = ((this._editMode == "textmode") ? "wysiwyg" : "textmode");
}
switch (mode) {
case "textmode":
this._textArea.value = this.getHTML();
this._iframe.style.display = "none";
this._textArea.style.display = "block";
if (this.config.statusBar) {
while(this._statusBar.childNodes.length>0) {
this._statusBar.removeChild(this._statusBar.childNodes[0]);
}
this._statusBar.appendChild(document.createTextNode(HTMLArea.I18N.msg["TEXT_MODE"]));
}
break;
case "wysiwyg":
if (HTMLArea.is_gecko) {
// disable design mode before changing innerHTML
try {
this._doc.designMode = "off";
} catch(e) {};
}
if (!this.config.fullPage)
this._doc.body.innerHTML = this.getHTML();
else
this.setFullHTML(this.getHTML());
this._iframe.style.display = "block";
this._textArea.style.display = "none";
if (HTMLArea.is_gecko) {
// we need to refresh that info for Moz-1.3a
try {
this._doc.designMode = "on";
//this._doc.focus();
} catch(e) {};
}
if (this.config.statusBar) {
this._statusBar.innerHTML = '';
this._statusBar.appendChild(this._statusBarTree);
}
break;
default:
alert("Mode <" + mode + "> not defined!");
return false;
}
this._editMode = mode;
this.focusEditor();
};
HTMLArea.prototype.setFullHTML = function(html) {
var save_multiline = RegExp.multiline;
RegExp.multiline = true;
if (html.match(HTMLArea.RE_doctype)) {
this.setDoctype(RegExp.$1);
html = html.replace(HTMLArea.RE_doctype, "");
}
RegExp.multiline = save_multiline;
if (!HTMLArea.is_ie) {
if (html.match(HTMLArea.RE_head))
this._doc.getElementsByTagName("head")[0].innerHTML = RegExp.$1;
if (html.match(HTMLArea.RE_body))
this._doc.getElementsByTagName("body")[0].innerHTML = RegExp.$1;
} else {
var html_re = /<html>((.|\n)*?)<\/html>/i;
html = html.replace(html_re, "$1");
this._doc.open();
this._doc.write(html);
this._doc.close();
this._doc.body.contentEditable = true;
return true;
}
};
// Category: PLUGINS
HTMLArea.prototype.registerPlugin2 = function(plugin, args) {
if (typeof plugin == "string")
plugin = eval(plugin);
var obj = new plugin(this, args);
if (obj) {
var clone = {};
var info = plugin._pluginInfo;
for (var i in info)
clone[i] = info[i];
clone.instance = obj;
clone.args = args;
this.plugins[plugin._pluginInfo.name] = clone;
} else
alert("Can't register plugin " + plugin.toString() + ".");
};
// Create the specified plugin and register it with this HTMLArea
HTMLArea.prototype.registerPlugin = function() {
var plugin = arguments[0];
var args = [];
for (var i = 1; i < arguments.length; ++i)
args.push(arguments[i]);
this.registerPlugin2(plugin, args);
};
HTMLArea.loadPlugin = function(pluginName) {
var dir = _editor_url + "plugins/" + pluginName;
var plugin = pluginName.replace(/([a-z])([A-Z])([a-z])/g,
function (str, l1, l2, l3) {
return l1 + "-" + l2.toLowerCase() + l3;
}).toLowerCase() + ".js";
var plugin_file = dir + "/" + plugin;
var plugin_lang = dir + "/lang/" + HTMLArea.I18N.lang + ".js";
HTMLArea._scripts.push(plugin_file, plugin_lang);
document.write("<script type='text/javascript' src='" + plugin_file + "'></script>");
document.write("<script type='text/javascript' src='" + plugin_lang + "'></script>");
};
HTMLArea.loadStyle = function(style, plugin) {
var url = _editor_url || '';
if (typeof plugin != "undefined") {
url += "plugins/" + plugin + "/";
}
url += style;
document.write("<style type='text/css'>@import url(" + url + ");</style>");
};
HTMLArea.loadStyle("htmlarea.css");
// Category: EDITOR UTILITIES
// The following function is a slight variation of the word cleaner code posted
// by Weeezl (user @ InteractiveTools forums).
HTMLArea.prototype._wordClean = function() {
this._unnestBlocks();
var D = this.getInnerHTML();
if (/[Mm]so/.test(D)) {
// make one line
D = D.replace(/\r\n/g, '\[br\]').
replace(/\n/g, '').
replace(/\r/g, '').
replace(/\&nbsp\;/g,' ');
// keep tags, strip attributes
D = D.replace(/ class=[^\s|>]*/gi,'').
//replace(/<p [^>]*TEXT-ALIGN: justify[^>]*>/gi,'<p align="justify">').
replace(/ style=\"[^>]*\"/gi,'').
replace(/ align=[^\s|>]*/gi,'');
//clean up tags
D = D.replace(/<b [^>]*>/gi,'<b>').
replace(/<i [^>]*>/gi,'<i>').
replace(/<li [^>]*>/gi,'<li>').
replace(/<ul [^>]*>/gi,'<ul>');
// replace outdated tags
D = D.replace(/<b>/gi,'<strong>').
replace(/<\/b>/gi,'</strong>');
// mozilla doesn't like <em> tags
D = D.replace(/<em>/gi,'<i>').
replace(/<\/em>/gi,'</i>');
// kill unwanted tags
D = D.replace(/<\?xml:[^>]*>/g, ''). // Word xml
replace(/<\/?st1:[^>]*>/g,''). // Word SmartTags
replace(/<\/?[a-z]\:[^>]*>/g,''). // All other funny Word non-HTML stuff
replace(/<\/?personname[^>]*>/gi,'').
replace(/<\/?font[^>]*>/gi,''). // Disable if you want to keep font formatting
replace(/<\/?span[^>]*>/gi,' ').
replace(/<\/?div[^>]*>/gi,' ').
replace(/<\/?pre[^>]*>/gi,' ').
replace(/<(\/?)(h[1-6]+)[^>]*>/gi,'<$1$2>');
// Lorenzo Nicola's addition
// to get rid off silly word generated tags.
D = D.replace(/<!--\[[^\]]*\]-->/gi,' ');
//remove empty tags
//D = D.replace(/<strong><\/strong>/gi,'').
//replace(/<i><\/i>/gi,'').
//replace(/<P[^>]*><\/P>/gi,'');
D = D.replace(/<h[1-6]+>\s?<\/h[1-6]+>/gi, ''); // Remove empty headings
// nuke double tags
oldlen = D.length + 1;
while(oldlen > D.length) {
oldlen = D.length;
// join us now and free the tags, we'll be free hackers, we'll be free... ;-)
D = D.replace(/<([a-z][a-z]*)> *<\/\1>/gi,' ').
replace(/<([a-z][a-z]*)> *<([a-z][^>]*)> *<\/\1>/gi,'<$2>');
}
D = D.replace(/<([a-z][a-z]*)><\1>/gi,'<$1>').
replace(/<\/([a-z][a-z]*)><\/\1>/gi,'<\/$1>');
// nuke double spaces
D = D.replace(/ */gi,' ');
// Split into lines and remove
// empty lines and add carriage returns back
var splitter = /\[br\]/g;
var emptyLine = /^\s+\s+$/g;
var strHTML = '';
var toLines = D.split(splitter);
for (var i = 0; i < toLines.length; i++) {
var line = toLines[i];
if (line.length < 1) {
continue;
}
if (emptyLine.test(line)) {
continue;
}
line = line.replace(/^\s+\s+$/g, '');
strHTML += line + '\n';
}
D = strHTML;
strHTML = '';
this.setHTML(D);
this.updateToolbar();
}
};
HTMLArea.prototype._unnestBlockWalk = function(node, unnestingParent) {
if (HTMLArea.RE_blocktag.test(node.nodeName)) {
if (unnestingParent) {
if (node.nextSibling) {
var splitNode = this._doc.createElement(unnestingParent.nodeName.toLowerCase());
while (node.nextSibling) {
splitNode.appendChild(node.nextSibling);
}
unnestingParent.parentNode.insertBefore(splitNode, unnestingParent.nextSibling);
}
unnestingParent.parentNode.insertBefore(node, unnestingParent.nextSibling);
return;
}
else if (node.firstChild) {
this._unnestBlockWalk(node.firstChild, node);
}
} else {
if (node.firstChild) {
this._unnestBlockWalk(node.firstChild, null);
}
}
if (node.nextSibling) {
this._unnestBlockWalk(node.nextSibling, unnestingParent);
}
}
HTMLArea.prototype._unnestBlocks = function() {
this._unnestBlockWalk(this._doc.documentElement, null);
}
HTMLArea.prototype.forceRedraw = function() {
this._doc.body.style.visibility = "hidden";
this._doc.body.style.visibility = "visible";
// this._doc.body.innerHTML = this.getInnerHTML();
};
// focuses the iframe window. returns a reference to the editor document.
HTMLArea.prototype.focusEditor = function() {
switch (this._editMode) {
case "wysiwyg" : this._iframe.contentWindow.focus(); break;
case "textmode": this._textArea.focus(); break;
default : alert("ERROR: mode " + this._editMode + " is not defined");
}
return this._doc;
};
// takes a snapshot of the current text (for undo)
HTMLArea.prototype._undoTakeSnapshot = function() {
++this._undoPos;
if (this._undoPos >= this.config.undoSteps) {
// remove the first element
this._undoQueue.shift();
--this._undoPos;
}
// use the fasted method (getInnerHTML);
var take = true;
var txt = this.getInnerHTML();
if (this._undoPos > 0)
take = (this._undoQueue[this._undoPos - 1] != txt);
if (take) {
this._undoQueue[this._undoPos] = txt;
} else {
this._undoPos--;
}
};
HTMLArea.prototype.undo = function() {
if (this._undoPos > 0) {
var txt = this._undoQueue[--this._undoPos];
if (txt) this.setHTML(txt);
else ++this._undoPos;
}
};
HTMLArea.prototype.redo = function() {
if (this._undoPos < this._undoQueue.length - 1) {
var txt = this._undoQueue[++this._undoPos];
if (txt) this.setHTML(txt);
else --this._undoPos;
}
};
// updates enabled/disable/active state of the toolbar elements
HTMLArea.prototype.updateToolbar = function(noStatus) {
var doc = this._doc;
var text = (this._editMode == "textmode");
var ancestors = null;
if (!text) {
ancestors = this.getAllAncestors();
if (this.config.statusBar && !noStatus) {
while(this._statusBarTree.childNodes.length>0) {
this._statusBarTree.removeChild(this._statusBarTree.childNodes[0]);
}
this._statusBarTree.appendChild(document.createTextNode(HTMLArea.I18N.msg["Path"] + ": "));
for (var i = ancestors.length; --i >= 0;) {
var el = ancestors[i];
if (!el) {
// hell knows why we get here; this
// could be a classic example of why
// it's good to check for conditions
// that are impossible to happen ;-)
continue;
}
var a = document.createElement("a");
a.href = "#";
a.el = el;
a.editor = this;
a.onclick = function() {
this.blur();
this.editor.selectNodeContents(this.el);
this.editor.updateToolbar(true);
return false;
};
a.oncontextmenu = function() {
// TODO: add context menu here
this.blur();
var info = "Inline style:\n\n";
info += this.el.style.cssText.split(/;\s*/).join(";\n");
alert(info);
return false;
};
var txt = el.tagName.toLowerCase();
a.title = el.style.cssText;
if (el.id) {
txt += "#" + el.id;
}
if (el.className) {
txt += "." + el.className;
}
a.appendChild(document.createTextNode(txt));
this._statusBarTree.appendChild(a);
if (i != 0) {
this._statusBarTree.appendChild(document.createTextNode(String.fromCharCode(0xbb)));
}
}
}
}
for (var i in this._toolbarObjects) {
var btn = this._toolbarObjects[i];
var cmd = i;
var inContext = true;
if (btn.context && !text) {
inContext = false;
var context = btn.context;
var attrs = [];
if (/(.*)\[(.*?)\]/.test(context)) {
context = RegExp.$1;
attrs = RegExp.$2.split(",");
}
context = context.toLowerCase();
var match = (context == "*");
for (var k in ancestors) {
if (!ancestors[k]) {
// the impossible really happens.
continue;
}
if (match || (ancestors[k].tagName.toLowerCase() == context)) {
inContext = true;
for (var ka in attrs) {
if (!eval("ancestors[k]." + attrs[ka])) {
inContext = false;
break;
}
}
if (inContext) {
break;
}
}
}
}
btn.state("enabled", (!text || btn.text) && inContext);
if (typeof cmd == "function") {
continue;
}
// look-it-up in the custom dropdown boxes
var dropdown = this.config.customSelects[cmd];
if ((!text || btn.text) && (typeof dropdown != "undefined")) {
dropdown.refresh(this);
continue;
}
switch (cmd) {
case "fontname":
case "fontsize":
case "formatblock":
if (!text) try {
var value = ("" + doc.queryCommandValue(cmd)).toLowerCase();
if (!value) {
// FIXME: what do we do here?
break;
}
var options = this.config[cmd];
var k = 0;
// btn.element.selectedIndex = 0;
for (var j in options) {
// FIXME: the following line is scary.
if ((j.toLowerCase() == value) ||
(options[j].substr(0, value.length).toLowerCase() == value)) {
btn.element.selectedIndex = k;
break;
}
++k;
}
} catch(e) {};
break;
case "language":
if (!text) try {
var value;
parentEl = this.getParentElement();
if (parentEl.getAttribute('lang')) {
// A language was previously defined for the block.
if (parentEl.getAttribute('class') == 'multilang') {
value = parentEl.getAttribute('lang')+'_ML';
} else {
value = parentEl.getAttribute('lang');
}
} else {
value = '';
}
var options = this.config[cmd];
var k = 0;
for (var j in options) {
// FIXME: the following line is scary.
if ((j.toLowerCase() == value) ||
(options[j].substr(0, value.length).toLowerCase() == value)) {
btn.element.selectedIndex = k;
break;
}
++k;
}
} catch(e) {};
break;
case "textindicator":
if (!text) {
try {with (btn.element.style) {
backgroundColor = HTMLArea._makeColor(
doc.queryCommandValue(HTMLArea.is_ie ? "backcolor" : "hilitecolor"));
if (/transparent/i.test(backgroundColor)) {
// Mozilla
backgroundColor = HTMLArea._makeColor(doc.queryCommandValue("backcolor"));
}
color = HTMLArea._makeColor(doc.queryCommandValue("forecolor"));
fontFamily = doc.queryCommandValue("fontname");
fontWeight = doc.queryCommandState("bold") ? "bold" : "normal";
fontStyle = doc.queryCommandState("italic") ? "italic" : "normal";
}} catch (e) {
// alert(e + "\n\n" + cmd);
}
}
break;
case "htmlmode": btn.state("active", text); break;
case "lefttoright":
case "righttoleft":
var el = this.getParentElement();
while (el && !HTMLArea.isBlockElement(el))
el = el.parentNode;
if (el)
btn.state("active", (el.style.direction == ((cmd == "righttoleft") ? "rtl" : "ltr")));
break;
default:
try {
btn.state("active", (!text && doc.queryCommandState(cmd)));
} catch (e) {}
}
}
// take undo snapshots
if (this._customUndo && !this._timerUndo) {
this._undoTakeSnapshot();
var editor = this;
this._timerUndo = setTimeout(function() {
editor._timerUndo = null;
}, this.config.undoTimeout);
}
// check if any plugins have registered refresh handlers
for (var i in this.plugins) {
var plugin = this.plugins[i].instance;
if (typeof plugin.onUpdateToolbar == "function")
plugin.onUpdateToolbar();
}
};
/** Returns a node after which we can insert other nodes, in the current
* selection. The selection is removed. It splits a text node, if needed.
*/
HTMLArea.prototype.insertNodeAtSelection = function(toBeInserted) {
if (!HTMLArea.is_ie) {
var sel = this._getSelection();
var range = this._createRange(sel);
// remove the current selection
sel.removeAllRanges();
range.deleteContents();
var node = range.startContainer;
var pos = range.startOffset;
switch (node.nodeType) {
case 3: // Node.TEXT_NODE
// we have to split it at the caret position.
if (toBeInserted.nodeType == 3) {
// do optimized insertion
node.insertData(pos, toBeInserted.data);
range = this._createRange();
range.setEnd(node, pos + toBeInserted.length);
range.setStart(node, pos + toBeInserted.length);
sel.addRange(range);
} else {
node = node.splitText(pos);
var selnode = toBeInserted;
if (toBeInserted.nodeType == 11 /* Node.DOCUMENT_FRAGMENT_NODE */) {
selnode = selnode.firstChild;
}
node.parentNode.insertBefore(toBeInserted, node);
this.selectNodeContents(selnode);
this.updateToolbar();
}
break;
case 1: // Node.ELEMENT_NODE
var selnode = toBeInserted;
if (toBeInserted.nodeType == 11 /* Node.DOCUMENT_FRAGMENT_NODE */) {
selnode = selnode.firstChild;
}
node.insertBefore(toBeInserted, node.childNodes[pos]);
this.selectNodeContents(selnode);
this.updateToolbar();
break;
}
} else {
return null; // this function not yet used for IE <FIXME>
}
};
// Returns the deepest node that contains both endpoints of the selection.
HTMLArea.prototype.getParentElement = function() {
var sel = this._getSelection();
var range = this._createRange(sel);
if (HTMLArea.is_ie) {
switch (sel.type) {
case "Text":
case "None":
return range.parentElement();
case "Control":
return range.item(0);
default:
return this._doc.body;
}
} else try {
var p = range.commonAncestorContainer;
if (!range.collapsed && range.startContainer == range.endContainer &&
range.startOffset - range.endOffset <= 1 && range.startContainer.hasChildNodes())
p = range.startContainer.childNodes[range.startOffset];
/*
alert(range.startContainer + ":" + range.startOffset + "\n" +
range.endContainer + ":" + range.endOffset);
*/
while (p.nodeType == 3) {
p = p.parentNode;
}
return p;
} catch (e) {
return null;
}
};
// Returns an array with all the ancestor nodes of the selection.
HTMLArea.prototype.getAllAncestors = function() {
var p = this.getParentElement();
var a = [];
while (p && (p.nodeType == 1) && (p.tagName.toLowerCase() != 'body')) {
a.push(p);
p = p.parentNode;
}
a.push(this._doc.body);
return a;
};
// Selects the contents inside the given node
HTMLArea.prototype.selectNodeContents = function(node, pos) {
this.focusEditor();
this.forceRedraw();
var range;
var collapsed = (typeof pos != "undefined");
if (HTMLArea.is_ie) {
range = this._doc.body.createTextRange();
range.moveToElementText(node);
(collapsed) && range.collapse(pos);
range.select();
} else {
var sel = this._getSelection();
range = this._doc.createRange();
range.selectNodeContents(node);
(collapsed) && range.collapse(pos);
sel.removeAllRanges();
sel.addRange(range);
}
};
// Call this function to insert HTML code at the current position. It deletes
// the selection, if any.
HTMLArea.prototype.insertHTML = function(html) {
var sel = this._getSelection();
var range = this._createRange(sel);
if (HTMLArea.is_ie) {
range.pasteHTML(html);
} else {
// construct a new document fragment with the given HTML
var fragment = this._doc.createDocumentFragment();
var div = this._doc.createElement("div");
div.innerHTML = html;
while (div.firstChild) {
// the following call also removes the node from div
fragment.appendChild(div.firstChild);
}
// this also removes the selection
var node = this.insertNodeAtSelection(fragment);
}
};
// Call this function to surround the existing HTML code in the selection with
// your tags. FIXME: buggy! This function will be deprecated "soon".
HTMLArea.prototype.surroundHTML = function(startTag, endTag) {
var html = this.getSelectedHTML();
// the following also deletes the selection
this.insertHTML(startTag + html + endTag);
};
/// Retrieve the selected block
HTMLArea.prototype.getSelectedHTML = function() {
var sel = this._getSelection();
var range = this._createRange(sel);
var existing = null;
if (HTMLArea.is_ie) {
existing = range.htmlText;
} else {
existing = HTMLArea.getHTML(range.cloneContents(), false, this);
}
return existing;
};
/// Return true if we have some selection
HTMLArea.prototype.hasSelectedText = function() {
// FIXME: come _on_ mishoo, you can do better than this ;-)
return this.getSelectedHTML() != '';
};
HTMLArea.prototype._createLink = function(link) {
var editor = this;
var allinks = editor._doc.getElementsByTagName('A');
var anchors = new Array();
for(var i = 0; i < allinks.length; i++) {
var attrname = allinks[i].getAttribute('name');
if((HTMLArea.is_ie ? attrname.length > 0 : attrname != null)) {
anchors[i] = allinks[i].getAttribute('name');
}
}
var outparam = null;
if (typeof link == "undefined") {
link = this.getParentElement();
if (link && !/^a$/i.test(link.tagName)) {
if(link.tagName.toLowerCase() != 'img') {
link = null;
var sel = this._getSelection();
var rng = this._createRange(sel);
var len = HTMLArea.is_ie ? rng.text.toString().length : sel.toString().length;
if(len < 1) {
alert("<?php print_string("alertnoselectedtext","editor");?>");
return false;
}
}
link = null;
}
}
if (link) {
outparam = {
f_href : HTMLArea.is_ie ? editor.stripBaseURL(link.href) : link.getAttribute("href"),
f_title : link.title,
f_target : link.target,
f_anchors: anchors
};
} else {
outparam = {
f_anchors:anchors };
}
this._popupDialog("link_std.php?id=<?php echo $id; ?>", function(param) {
if (!param) {
return false;
}
var a = link;
if (!a) {
// Create a temporary unique link, insert it then find it and set the correct parameters
var tmpLink = 'http://www.moodle.org/'+Math.random();
var elm = editor._doc.execCommand("createlink",false,tmpLink);
var links=editor._doc.getElementsByTagName("a");
for(var i=0;i<links.length;i++){
var link=links[i];
if(link.href==tmpLink) {
link.href=param.f_href.trim();
if(param.f_target){
link.target=param.f_target.trim();
}
if(param.f_title){
link.title=param.f_title.trim();
}
break;
}
}
} else {
var href = param.f_href.trim();
editor.selectNodeContents(a);
if (href == "") {
editor._doc.execCommand("unlink", false, null);
editor.updateToolbar();
return false;
} else {
a.href = href;
}
}
if (!(a && /^a$/i.test(a.tagName))) {
return false;
}
a.target = param.f_target.trim();
a.title = param.f_title.trim();
editor.selectNodeContents(a);
editor.updateToolbar();
}, outparam);
};
// Called when the user clicks on "InsertImage" button. If an image is already
// there, it will just modify it's properties.
HTMLArea.prototype._insertImage = function(image) {
// Make sure that editor has focus
this.focusEditor();
var editor = this; // for nested functions
var outparam = null;
if (typeof image == "undefined") {
image = this.getParentElement();
if (image && !/^img$/i.test(image.tagName))
image = null;
}
if (image) outparam = {
f_url : HTMLArea.is_ie ? editor.stripBaseURL(image.src) : image.getAttribute("src"),
f_alt : image.alt,
f_border : image.border,
f_align : image.align,
f_vert : image.vspace,
f_horiz : image.hspace,
f_width : image.width,
f_height : image.height
};
this._popupDialog("<?php
if(!empty($id) and has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $id))) {
echo "insert_image.php?id=$id";
} else {
echo "insert_image_std.php?id=$id";
}?>", function(param) {
if (!param) { // user must have pressed Cancel
return false;
}
var img = image;
if (!img) {
var sel = editor._getSelection();
var range = editor._createRange(sel);
if (HTMLArea.is_ie) {
editor._doc.execCommand("insertimage", false, param.f_url);
}
if (HTMLArea.is_ie) {
img = range.parentElement();
// wonder if this works...
if (img.tagName.toLowerCase() != "img") {
img = img.previousSibling;
}
} else {
// MOODLE HACK: startContainer.perviousSibling
// Doesn't work so we'll use createElement and
// insertNodeAtSelection
//img = range.startContainer.previousSibling;
var img = editor._doc.createElement("img");
img.setAttribute("src",""+ param.f_url +"");
img.setAttribute("alt",""+ param.f_alt +"");
editor.insertNodeAtSelection(img);
}
} else {
img.src = param.f_url;
}
for (field in param) {
var value = param[field];
switch (field) {
case "f_alt" : img.alt = value; img.title = value; break;
case "f_border" : img.border = parseInt(value || "0"); break;
case "f_align" : img.align = value; break;
case "f_vert" : img.vspace = parseInt(value || "0"); break;
case "f_horiz" : img.hspace = parseInt(value || "0"); break;
case "f_width" :
if(value != 0) {
img.width = parseInt(value);
} else {
break;
}
break;
case "f_height" :
if(value != 0) {
img.height = parseInt(value);
} else {
break;
}
break;
}
}
}, outparam);
};
// Called when the user clicks the Insert Table button
HTMLArea.prototype._insertTable = function() {
var sel = this._getSelection();
var range = this._createRange(sel);
var editor = this; // for nested functions
this._popupDialog("insert_table.php?id=<?php echo $id; ?>", function(param) {
if (!param) { // user must have pressed Cancel
return false;
}
var doc = editor._doc;
// create the table element
var table = doc.createElement("table");
// assign the given arguments
for (var field in param) {
var value = param[field];
if (!value) {
continue;
}
switch (field) {
case "f_width" : table.width = value + param["f_unit"]; break;
case "f_align" : table.align = value; break;
case "f_border" : table.border = parseInt(value); break;
case "f_spacing" : table.cellspacing = parseInt(value); break;
case "f_padding" : table.cellpadding = parseInt(value); break;
}
}
var tbody = doc.createElement("tbody");
table.appendChild(tbody);
for (var i = 0; i < param["f_rows"]; ++i) {
var tr = doc.createElement("tr");
tbody.appendChild(tr);
for (var j = 0; j < param["f_cols"]; ++j) {
var td = doc.createElement("td");
/// Moodle hack
if(param["f_unit"] == "px") {
tdwidth = Math.round(table.width / param["f_cols"]);
} else {
tdwidth = Math.round(100 / param["f_cols"]);
}
td.setAttribute("width",tdwidth + param["f_unit"]);
td.setAttribute("valign","top");
/// Moodle hack -ends
tr.appendChild(td);
// Mozilla likes to see something inside the cell.
(HTMLArea.is_gecko) && td.appendChild(doc.createElement("br"));
}
}
if (HTMLArea.is_ie) {
range.pasteHTML(table.outerHTML);
} else {
// insert the table
editor.insertNodeAtSelection(table);
}
return true;
}, null);
};
/// Moodle hack - insertSmile
HTMLArea.prototype._insertSmile = function() {
// Make sure that editor has focus
this.focusEditor();
var sel = this._getSelection();
var range = this._createRange(sel);
var editor = this; // for nested functions
this._popupDialog("dlg_ins_smile.php?id=<?php echo $id; ?>", function(imgString) {
if(!imgString) {
return false;
}
if (HTMLArea.is_ie) {
range.pasteHTML(imgString);
} else {
editor.insertHTML(imgString);
}
return true;
}, null);
};
HTMLArea.prototype._insertChar = function() {
var sel = this._getSelection();
var range = this._createRange(sel);
var editor = this; // for nested functions
this._popupDialog("dlg_ins_char.php?id=<?php echo $id; ?>", function(sChar) {
if(!sChar) {
return false;
}
if (HTMLArea.is_ie) {
range.pasteHTML(sChar);
} else {
// insert the table
editor.insertHTML(sChar);
}
return true;
}, null);
};
HTMLArea.prototype._removelink = function() {
var editor = this;
link = this.getParentElement();
editor.selectNodeContents(link);
this._doc.execCommand("unlink", false, null);
this.focusEditor();
};
HTMLArea.prototype._createanchor = function () {
var editor = this;
var sel = this._getSelection();
var rng = this._createRange(sel);
var len = HTMLArea.is_ie ? rng.text.toString().length : sel.toString().length;
if(len < 1) {
alert("<?php print_string("alertnoselectedtext","editor");?>");
return false;
}
this._popupDialog("createanchor.php?id=<?php echo $id; ?>", function(objAn) {
if(!objAn) {
return false;
}
var str = '<a name="'+ objAn.anchor+'">';
str += HTMLArea.is_ie ? rng.text : sel ;
str += '</a>';
editor.insertHTML(str);
},null);
};
HTMLArea.prototype._nolinktag = function () {
var editor = this;
var sel = this._getSelection();
var rng = this._createRange(sel);
var len = HTMLArea.is_ie ? rng.text.toString().length : sel.toString().length;
if (len < 1) {
alert("<?php print_string("alertnoselectedtext","editor");?>");
return false;
}
var str = '<span class="nolink">';
str += HTMLArea.is_ie ? rng.text : sel;
str += '</span>';
editor.insertHTML(str);
this.focusEditor();
};
HTMLArea.prototype._searchReplace = function() {
var editor = this;
var selectedtxt = "";
<?php
$strreplaced = addslashes(get_string('itemsreplaced','editor'));
$strnotfound = addslashes(get_string('searchnotfound','editor'));
?>
var strReplaced = '<?php echo $strreplaced ?>';
var strNotfound = '<?php echo $strnotfound ?>';
var ile;
//in source mode mozilla show errors, try diffrent method
if (editor._editMode == "wysiwyg") {
selectedtxt = editor.getSelectedHTML();
} else {
if (HTMLArea.is_ie) {
selectedtxt = document.selection.createRange().text;
} else {
selectedtxt = getMozSelection(editor._textArea);
}
}
outparam = {
f_search : selectedtxt
};
//Call Search And Replace popup window
editor._popupDialog( "searchandreplace.php?id=<?php echo $id; ?>", function( entity ) {
if ( !entity ) {
//user must have pressed Cancel
return false;
}
var text = editor.getHTML();
var search = entity[0];
var replace = entity[1];
var delim = entity[2];
var regularx = entity[3];
var closesar = entity[4];
ile = 0;
if (search.length < 1) {
alert ("Enter a search word! \n search for: " + entity[0]);
} else {
if (regularx) {
var regX = new RegExp (search, delim) ;
var text = text.replace ( regX,
function (str, n) {
// Increment our counter variable.
ile++ ;
//return replace ;
return str.replace( regX, replace) ;
}
)
} else {
while (text.indexOf(search)>-1) {
pos = text.indexOf(search);
text = "" + (text.substring(0, pos) + replace + text.substring((pos + search.length), text.length));
ile++;
}
}
editor.setHTML(text);
editor.forceRedraw();
if (ile > 0) {
alert(ile + ' ' + strReplaced);
} else {
alert (strNotfound + "\n");
}
}
}, outparam);
function getMozSelection(txtarea) {
var selLength = txtarea.textLength;
var selStart = txtarea.selectionStart;
var selEnd = txtarea.selectionEnd;
if (selEnd==1 || selEnd==2) selEnd=selLength;
return (txtarea.value).substring(selStart, selEnd);
}
};
/// Moodle hack's ends
//
// Category: EVENT HANDLERS
// el is reference to the SELECT object
// txt is the name of the select field, as in config.toolbar
HTMLArea.prototype._comboSelected = function(el, txt) {
this.focusEditor();
var value = el.options[el.selectedIndex].value;
switch (txt) {
case "fontname":
case "fontsize": this.execCommand(txt, false, value); break;
case "language":
this.setLang(value);
break;
case "formatblock":
(HTMLArea.is_ie) && (value = "<" + value + ">");
this.execCommand(txt, false, value);
break;
default:
// try to look it up in the registered dropdowns
var dropdown = this.config.customSelects[txt];
if (typeof dropdown != "undefined") {
dropdown.action(this);
} else {
alert("FIXME: combo box " + txt + " not implemented");
}
}
};
/**
* Used to set the language for the selected content.
* We use the <span lang="en" class="multilang">content</span> format for
* content that should be marked for multilang filter use, and
* <span lang="en">content</span> for normal content for which we want to
* set the language (for screen reader usage, for example).
*/
HTMLArea.prototype.setLang = function(lang) {
if (lang == 'multi') {
// This is just the separator in the dropdown. Does nothing.
return;
}
var editor = this;
var selectedHTML = editor.getSelectedHTML();
var multiLang = false;
var re = new RegExp('_ML', 'g');
if (lang.match(re)) {
multiLang = true;
lang = lang.replace(re, '');
}
// Remove all lang attributes from span tags in selected html.
selectedHTML = selectedHTML.replace(/(<span[^>]*)lang="[^"]*"([^>]*>)/, "$1$2");
selectedHTML = selectedHTML.replace(/(<span[^>]*)class="multilang"([^>]*>)/, "$1$2");
// If a span tag is now empty, delete it.
selectedHTML = selectedHTML.replace(/<span\s*>(.*?)<\/span>/, "$1");
var parentEl = this.getParentElement();
var insertNewSpan = false;
if (parentEl.nodeName == 'SPAN' && parentEl.getAttribute('lang')) {
// A language was previously defined for the current block.
// Check whether the selected text makes up the whole of the block
// contents.
var re = new RegExp(parentEl.innerHTML);
if (selectedHTML.match(re)) {
// The selected text makes up the whole of the span block.
if (lang != '') {
parentEl.setAttribute('lang', lang);
if (multiLang) {
parentEl.setAttribute('class', 'multilang');
}
} else {
parentEl.removeAttribute('lang');
var classAttr = parentEl.getAttribute('class');
if (classAttr) {
classAttr = classAttr.replace(/multilang/, '').trim();
}
if (classAttr == '') {
parentEl.removeAttribute('class');
}
if (parentEl.attributes.length == 0) {
// The span is no longer needed.
for (i=0; i<parentEl.childNodes.length; i++) {
parentEl.parentNode.insertBefore(parentEl.childNodes[i], parentEl);
}
parentEl.parentNode.removeChild(parentEl);
}
}
} else {
insertNewSpan = true;
}
} else {
insertNewSpan = true;
}
if (insertNewSpan && lang != '') {
var str = '<span lang="'+lang.trim()+'"';
str += ' class="multilang"';
str += '>';
str += selectedHTML;
str += '</span>';
editor.insertHTML(str);
}
}
// the execCommand function (intercepts some commands and replaces them with
// our own implementation)
HTMLArea.prototype.execCommand = function(cmdID, UI, param) {
var editor = this; // for nested functions
this.focusEditor();
cmdID = cmdID.toLowerCase();
switch (cmdID) {
case "htmlmode" : this.setMode(); break;
case "hilitecolor":
(HTMLArea.is_ie) && (cmdID = "backcolor");
case "forecolor":
this._popupDialog("select_color.php?id=<?php echo $id; ?>", function(color) {
if (color) { // selection not canceled
editor._doc.execCommand(cmdID, false, "#" + color);
}
}, HTMLArea._colorToRgb(this._doc.queryCommandValue(cmdID)));
break;
case "createanchor": this._createanchor(); break;
case "createlink":
this._createLink();
break;
case "unlink": this._removelink(); break;
case "nolink": this._nolinktag(); break;
case "popupeditor":
// this object will be passed to the newly opened window
HTMLArea._object = this;
if (HTMLArea.is_ie) {
{
window.open(this.popupURL("fullscreen.php?id=<?php echo $id;?>"), "ha_fullscreen",
"toolbar=no,location=no,directories=no,status=no,menubar=no," +
"scrollbars=no,resizable=yes,width=800,height=600");
}
} else {
window.open(this.popupURL("fullscreen.php?id=<?php echo $id;?>"), "ha_fullscreen",
"toolbar=no,menubar=no,personalbar=no,width=800,height=600," +
"scrollbars=no,resizable=yes");
}
break;
case "undo":
case "redo":
if (this._customUndo)
this[cmdID]();
else
this._doc.execCommand(cmdID, UI, param);
break;
case "inserttable": this._insertTable(); break;
case "insertimage": this._insertImage(); break;
case "insertsmile": this._insertSmile(); break;
case "insertchar": this._insertChar(); break;
case "searchandreplace": this._searchReplace(); break;
case "about" : this._popupDialog("about.html", null, this); break;
case "showhelp" : window.open(_editor_url + "reference.html", "ha_help"); break;
case "killword": this._wordClean(); break;
case "cut":
case "copy":
case "paste":
try {
// Paste first then clean
this._doc.execCommand(cmdID, UI, param);
if (this.config.killWordOnPaste) {
this._wordClean();
}
} catch (e) {
if (HTMLArea.is_gecko) {
if (confirm("<?php
$strmoz = get_string('cutpastemozilla','editor');
$strmoz = preg_replace("/[\n|\r]+/", "", $strmoz);
$strmoz = str_replace('<br />', '\\n', $strmoz);
echo addslashes($strmoz);
?>"))
window.open("http://moodle.org/mozillahelp");
}
}
break;
case "lefttoright":
case "righttoleft":
var dir = (cmdID == "righttoleft") ? "rtl" : "ltr";
var el = this.getParentElement();
while (el && !HTMLArea.isBlockElement(el))
el = el.parentNode;
if (el) {
if (el.style.direction == dir)
el.style.direction = "";
else
el.style.direction = dir;
}
break;
default: this._doc.execCommand(cmdID, UI, param);
}
this.updateToolbar();
return false;
};
/**
* A generic event handler for things that happen in the IFRAME's document.
* This function also handles key bindings.
*/
HTMLArea.prototype._editorEvent = function(ev) {
var editor = this;
var keyEvent = (HTMLArea.is_ie && ev.type == "keydown") || (ev.type == "keypress");
if (keyEvent) {
for (var i in editor.plugins) {
var plugin = editor.plugins[i].instance;
if (typeof plugin.onKeyPress == "function") plugin.onKeyPress(ev);
}
var sel = null;
var range = null;
var key = String.fromCharCode(HTMLArea.is_ie ? ev.keyCode : ev.charCode).toLowerCase();
var cmd = null;
var value = null;
if (ev.ctrlKey && !ev.altKey) {
/**
* Ctrl modifier only.
* We use these for shortcuts that change existing content,
* e.g. make text bold.
*/
switch (key) {
case 'a':
// Select all.
if (!HTMLArea.is_ie) {
// KEY select all
sel = this._getSelection();
sel.removeAllRanges();
range = this._createRange();
range.selectNodeContents(this._doc.body);
sel.addRange(range);
HTMLArea._stopEvent(ev);
}
break;
// For the dropdowns, we assign focus to them so that they are
// keyboard accessible.
case 'o':
editor.dropdowns['fontname'].focus();
break;
case 'p':
editor.dropdowns['fontsize'].focus();
break;
case 'h':
editor.dropdowns['formatblock'].focus();
break;
case '=':
editor.dropdowns['language'].focus();
break;
case 'b': cmd = "bold"; break;
case 'i': cmd = "italic"; break;
case 'u': cmd = "underline"; break;
case 's': cmd = "strikethrough"; break;
case ',': cmd = "subscript"; break;
case '.': cmd = "superscript"; break;
case 'v':
if (! HTMLArea.is_gecko ) {
cmd = "paste";
}
break;
case '0': cmd = "killword"; break;
case 'z': cmd = "undo"; break;
case 'y': cmd = "redo"; break;
case 'l': cmd = "justifyleft"; break;
case 'e': cmd = "justifycenter"; break;
case 'r': cmd = "justifyright"; break;
case 'j': cmd = "justifyfull"; break;
case '/': cmd = "lefttoright"; break;
case '|': cmd = "righttoleft"; break;
case ';': cmd = "outdent"; break;
case "'": cmd = "indent"; break;
case 'g': cmd = "forecolor"; break;
case 'k': cmd = "hilitecolor"; break;
case 'f': cmd = "searchandreplace"; break;
case '`': cmd = "htmlmode"; break; // FIXME: can't toggle from source code to wysiwyg
case 'm':
// Toggle fullscreen on or off.
if (this.config.btnList['popupeditor'][0] == 'Enlarge Editor') {
cmd = 'popupeditor';
} else {
window.close();
}
break;
// Headings.
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
cmd = "formatblock";
value = "h" + key;
if (HTMLArea.is_ie) {
value = "<" + value + ">";
}
break;
} // End switch (key)
} else if (ev.ctrlKey && ev.altKey) {
/**
* Ctrl + Alt modifiers.
* We use these for shortcuts that insert stuff, e.g. images.
*/
switch (key) {
case 'o': cmd = "insertorderedlist"; break;
case 'u': cmd = "insertunorderedlist"; break;
case 'r': cmd = "inserthorizontalrule"; break;
case 'a': cmd = "createanchor"; break;
case 'l': cmd = "createlink"; break;
case 'd': cmd = "unlink"; break;
case 'n': cmd = "nolink"; break;
case 'i': cmd = 'insertimage'; break;
case 't': cmd = 'inserttable'; break;
case 's': cmd = 'insertsmile'; break;
case 'c': cmd = 'insertchar'; break;
}
}
if (cmd) {
// execute simple command
this.execCommand(cmd, false, value);
HTMLArea._stopEvent(ev);
}
} // End if (keyEvent)
/*
else if (keyEvent) {
// other keys here
switch (ev.keyCode) {
case 13: // KEY enter
// if (HTMLArea.is_ie) {
this.insertHTML("<br />");
HTMLArea._stopEvent(ev);
// }
break;
}
}
*/
// Update the toolbar state after some time.
if (editor._timerToolbar) {
clearTimeout(editor._timerToolbar);
}
editor._timerToolbar = setTimeout(function() {
editor.updateToolbar();
editor._timerToolbar = null;
}, 50);
};
// retrieve the HTML
HTMLArea.prototype.getHTML = function() {
switch (this._editMode) {
case "wysiwyg" :
if (!this.config.fullPage) {
return HTMLArea.getHTML(this._doc.body, false, this);
} else
return this.doctype + "\n" + HTMLArea.getHTML(this._doc.documentElement, true, this);
case "textmode" : return this._textArea.value;
default : alert("Mode <" + mode + "> not defined!");
}
return false;
};
// retrieve the HTML (fastest version, but uses innerHTML)
HTMLArea.prototype.getInnerHTML = function() {
switch (this._editMode) {
case "wysiwyg" :
if (!this.config.fullPage)
return this._doc.body.innerHTML;
else
return this.doctype + "\n" + this._doc.documentElement.innerHTML;
case "textmode" : return this._textArea.value;
default : alert("Mode <" + mode + "> not defined!");
}
return false;
};
// completely change the HTML inside
HTMLArea.prototype.setHTML = function(html) {
switch (this._editMode) {
case "wysiwyg" :
if (!this.config.fullPage)
this._doc.body.innerHTML = html;
else
// this._doc.documentElement.innerHTML = html;
this._doc.body.innerHTML = html;
break;
case "textmode" : this._textArea.value = html; break;
default : alert("Mode <" + mode + "> not defined!");
}
return false;
};
// sets the given doctype (useful when config.fullPage is true)
HTMLArea.prototype.setDoctype = function(doctype) {
this.doctype = doctype;
};
/***************************************************
* Category: UTILITY FUNCTIONS
***************************************************/
// browser identification
HTMLArea.agt = navigator.userAgent.toLowerCase();
HTMLArea.is_ie = ((HTMLArea.agt.indexOf("msie") != -1) && (HTMLArea.agt.indexOf("opera") == -1));
HTMLArea.is_opera = (HTMLArea.agt.indexOf("opera") != -1);
HTMLArea.is_mac = (HTMLArea.agt.indexOf("mac") != -1);
HTMLArea.is_mac_ie = (HTMLArea.is_ie && HTMLArea.is_mac);
HTMLArea.is_win_ie = (HTMLArea.is_ie && !HTMLArea.is_mac);
HTMLArea.is_gecko = (navigator.product == "Gecko");
HTMLArea.is_safari = (HTMLArea.agt.indexOf("safari") != -1);
HTMLArea.is_webkit = (HTMLArea.agt.indexOf("applewebkit") != -1); // eg: chrome
// variable used to pass the object to the popup editor window.
HTMLArea._object = null;
// function that returns a clone of the given object
HTMLArea.cloneObject = function(obj) {
var newObj = new Object;
// check for array objects
if (obj.constructor.toString().indexOf("function Array(") >= 0) {
newObj = obj.constructor();
}
// check for function objects (as usual, IE is phucked up)
if (obj.constructor.toString().indexOf("function Function(") >= 0) {
newObj = obj; // just copy reference to it
} else for (var n in obj) {
var node = obj[n];
if (typeof node == 'object') { newObj[n] = HTMLArea.cloneObject(node); }
else { newObj[n] = node; }
}
return newObj;
};
// FIXME!!! this should return false for IE < 5.5
HTMLArea.checkSupportedBrowser = function() {
if (HTMLArea.is_webkit) {
return true;
}
if (HTMLArea.is_gecko) {
if (navigator.productSub < 20021201) {
alert("You need at least Mozilla-1.3 Alpha.\n" +
"Sorry, your Gecko is not supported.");
return false;
}
if (navigator.productSub < 20030210) {
alert("Mozilla < 1.3 Beta is not supported!\n" +
"I'll try, though, but it might not work.");
}
}
if(HTMLArea.is_safari) {
return false;
}
return HTMLArea.is_gecko || HTMLArea.is_ie;
};
// selection & ranges
// returns the current selection object
HTMLArea.prototype._getSelection = function() {
if (HTMLArea.is_ie) {
return this._doc.selection;
} else {
return this._iframe.contentWindow.getSelection();
}
};
// returns a range for the current selection
HTMLArea.prototype._createRange = function(sel) {
if (HTMLArea.is_ie) {
return sel.createRange();
} else {
// Commented out because we need the dropdowns to be able to keep
// focus for keyboard accessibility. Comment by Vy-Shane Sin Fat.
//this.focusEditor();
if (typeof sel != "undefined") {
try {
return sel.getRangeAt(0);
} catch(e) {
return this._doc.createRange();
}
} else {
return this._doc.createRange();
}
}
};
// event handling
HTMLArea._addEvent = function(el, evname, func) {
if (HTMLArea.is_ie) {
el.attachEvent("on" + evname, func);
} else {
el.addEventListener(evname, func, true);
}
};
HTMLArea._addEvents = function(el, evs, func) {
for (var i in evs) {
HTMLArea._addEvent(el, evs[i], func);
}
};
HTMLArea._removeEvent = function(el, evname, func) {
if (HTMLArea.is_ie) {
el.detachEvent("on" + evname, func);
} else {
el.removeEventListener(evname, func, true);
}
};
HTMLArea._removeEvents = function(el, evs, func) {
for (var i in evs) {
HTMLArea._removeEvent(el, evs[i], func);
}
};
HTMLArea._stopEvent = function(ev) {
if (HTMLArea.is_ie) {
ev.cancelBubble = true;
ev.returnValue = false;
} else {
ev.preventDefault();
ev.stopPropagation();
}
};
HTMLArea._removeClass = function(el, className) {
if (!(el && el.className)) {
return;
}
var cls = el.className.split(" ");
var ar = new Array();
for (var i = cls.length; i > 0;) {
if (cls[--i] != className) {
ar[ar.length] = cls[i];
}
}
el.className = ar.join(" ");
};
HTMLArea._addClass = function(el, className) {
// remove the class first, if already there
HTMLArea._removeClass(el, className);
el.className += " " + className;
};
HTMLArea._hasClass = function(el, className) {
if (!(el && el.className)) {
return false;
}
var cls = el.className.split(" ");
for (var i = cls.length; i > 0;) {
if (cls[--i] == className) {
return true;
}
}
return false;
};
HTMLArea.isBlockElement = function(el) {
var blockTags = " body form textarea fieldset ul ol dl li div " +
"p h1 h2 h3 h4 h5 h6 quote pre table thead " +
"tbody tfoot tr td iframe address ";
try {
return (blockTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1);
} catch (e) {}
};
HTMLArea.needsClosingTag = function(el) {
var closingTags = " head script style div span tr td tbody table em strong font a title iframe object applet ";
return (closingTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1);
};
// performs HTML encoding of some given string
HTMLArea.htmlEncode = function(str) {
// we don't need regexp for that, but.. so be it for now.
str = str.replace(/&/ig, "&amp;");
str = str.replace(/</ig, "&lt;");
str = str.replace(/>/ig, "&gt;");
str = str.replace(/\x22/ig, "&quot;");
// \x22 means '"' -- we use hex reprezentation so that we don't disturb
// JS compressors (well, at least mine fails.. ;)
return str;
};
HTMLArea.isStandardTag = function (el) {
return HTMLArea.RE_msietag.test(el.tagName);
};
HTMLArea.isSingleTag = function (el) {
var re = /^(br|hr|img|input|link|meta|param|embed|area)$/i;
return re.test(el.tagName.toLowerCase());
};
// Retrieves the HTML code from the given node. This is a replacement for
// getting innerHTML, using standard DOM calls.
HTMLArea.getHTML = function(root, outputRoot, editor) {
var html = "";
switch (root.nodeType) {
case 1: // Node.ELEMENT_NODE
case 11: // Node.DOCUMENT_FRAGMENT_NODE
var closed;
var i;
var root_tag = (root.nodeType == 1) ? root.tagName.toLowerCase() : '';
if (HTMLArea.RE_junktag.test(root_tag)) {
return '';
}
if (HTMLArea.is_ie && root_tag == "head") {
if (outputRoot)
html += "<head>";
// lowercasize
var save_multiline = RegExp.multiline;
RegExp.multiline = true;
var txt = root.innerHTML.replace(HTMLArea.RE_tagName, function(str, p1, p2) {
return p1 + p2.toLowerCase();
});
RegExp.multiline = save_multiline;
html += txt;
if (outputRoot)
html += "</head>";
break;
} else if (outputRoot) {
closed = (!(root.hasChildNodes() || !HTMLArea.isSingleTag(root)));
html = "<" + root.tagName.toLowerCase();
var attrs = root.attributes;
for (i = 0; i < attrs.length; ++i) {
var a = attrs.item(i);
if (!a.specified) {
continue;
}
var name = a.nodeName.toLowerCase();
if (/_moz|contenteditable|_msh/.test(name)) {
// avoid certain attributes
continue;
}
var value;
if (name != "style") {
//
// Using Gecko the values of href and src are converted to absolute links
// unless we get them using nodeValue()
if (typeof root[a.nodeName] != "undefined" && name != "href" && name != "src") {
value = root[a.nodeName];
} else {
// This seems to be working, but if it does cause
// problems later on return the old value...
if (name.toLowerCase() == "href" && name.toLowerCase() == "src") {
value = root[a.nodeName];
} else {
value = a.nodeValue;
}
if (HTMLArea.is_ie && (name == "href" || name == "src")) {
value = editor.stripBaseURL(value);
}
}
} else { // IE fails to put style in attributes list
// FIXME: cssText reported by IE is UPPERCASE
value = root.style.cssText.toLowerCase();
}
if (/(_moz|^$)/.test(value)) {
// Mozilla reports some special tags
// here; we don't need them.
continue;
}
html += " " + name + '="' + value + '"';
}
html += closed ? " />" : ">";
}
for (i = root.firstChild; i; i = i.nextSibling) {
html += HTMLArea.getHTML(i, true, editor);
}
if (outputRoot && !closed) {
if ( HTMLArea.is_ie && !HTMLArea.isStandardTag(root) ) {
html += '';
} else {
html += "</" + root.tagName.toLowerCase() + ">";
}
}
break;
case 3: // Node.TEXT_NODE
// If a text node is alone in an element and all spaces, replace it with an non breaking one
// This partially undoes the damage done by moz, which translates '&nbsp;'s into spaces in the data element
if ( !root.previousSibling && !root.nextSibling && root.data.match(/^\s*$/i) && root.data.length > 1 ) html = '&nbsp;';
else html = HTMLArea.htmlEncode(root.data);
break;
case 8: // Node.COMMENT_NODE
html = "<!--" + root.data + "-->";
break; // skip comments, for now.
}
return HTMLArea.indent(html);
};
HTMLArea.prototype.stripBaseURL = function(string) {
var baseurl = this.config.baseURL;
// IE adds the path to an anchor, converting #anchor
// to path/#anchor which of course needs to be fixed
var index = string.indexOf("/#")+1;
if ((index > 0) && (string.indexOf(baseurl) > -1)) {
return string.substr(index);
}
return string; // Moodle doesn't use the code below because
// Moodle likes to keep absolute links
// strip to last directory in case baseurl points to a file
baseurl = baseurl.replace(/[^\/]+$/, '');
var basere = new RegExp(baseurl);
string = string.replace(basere, "");
// strip host-part of URL which is added by MSIE to links relative to server root
baseurl = baseurl.replace(/^(https?:\/\/[^\/]+)(.*)$/, '$1');
basere = new RegExp(baseurl);
return string.replace(basere, "");
};
String.prototype.trim = function() {
a = this.replace(/^\s+/, '');
return a.replace(/\s+$/, '');
};
// creates a rgb-style color from a number
HTMLArea._makeColor = function(v) {
if (typeof v != "number") {
// already in rgb (hopefully); IE doesn't get here.
return v;
}
// IE sends number; convert to rgb.
var r = v & 0xFF;
var g = (v >> 8) & 0xFF;
var b = (v >> 16) & 0xFF;
return "rgb(" + r + "," + g + "," + b + ")";
};
// returns hexadecimal color representation from a number or a rgb-style color.
HTMLArea._colorToRgb = function(v) {
if (!v)
return '';
// returns the hex representation of one byte (2 digits)
function hex(d) {
return (d < 16) ? ("0" + d.toString(16)) : d.toString(16);
};
if (typeof v == "number") {
// we're talking to IE here
var r = v & 0xFF;
var g = (v >> 8) & 0xFF;
var b = (v >> 16) & 0xFF;
return "#" + hex(r) + hex(g) + hex(b);
}
if (v.substr(0, 3) == "rgb") {
// in rgb(...) form -- Mozilla
var re = /rgb\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\s*\)/;
if (v.match(re)) {
var r = parseInt(RegExp.$1);
var g = parseInt(RegExp.$2);
var b = parseInt(RegExp.$3);
return "#" + hex(r) + hex(g) + hex(b);
}
// doesn't match RE?! maybe uses percentages or float numbers
// -- FIXME: not yet implemented.
return null;
}
if (v.substr(0, 1) == "#") {
// already hex rgb (hopefully :D )
return v;
}
// if everything else fails ;)
return null;
};
HTMLArea.prototype._popupDialog = function(url, action, init) {
Dialog(this.popupURL(url), action, init);
};
// paths
HTMLArea.prototype.imgURL = function(file, plugin) {
if (typeof plugin == "undefined")
return _editor_url + file;
else
return _editor_url + "plugins/" + plugin + "/img/" + file;
};
HTMLArea.prototype.popupURL = function(file) {
var url = "";
if (file.match(/^plugin:\/\/(.*?)\/(.*)/)) {
var plugin = RegExp.$1;
var popup = RegExp.$2;
if (!/\.html$/.test(popup))
popup += ".html";
url = _editor_url + "plugins/" + plugin + "/popups/" + popup;
} else
url = _editor_url + this.config.popupURL + file;
return url;
};
/**
* FIX: Internet Explorer returns an item having the _name_ equal to the given
* id, even if it's not having any id. This way it can return a different form
* field even if it's not a textarea. This workarounds the problem by
* specifically looking to search only elements having a certain tag name.
*/
HTMLArea.getElementById = function(tag, id) {
var el, i, objs = document.getElementsByTagName(tag);
for (i = objs.length; --i >= 0 && (el = objs[i]);)
if (el.id == id)
return el;
return null;
};
// Modified version of GetHtml plugin's indent.
HTMLArea.indent = function(s, sindentChar) {
var c = [
/*0*/ new RegExp().compile(/<\/?(div|p|h[1-6]|table|tr|td|th|ul|ol|li|blockquote|object|br|hr|img|embed|param|pre|script|html|head|body|meta|link|title|area)[^>]*>/g),
/*1*/ new RegExp().compile(/<\/(div|p|h[1-6]|table|tr|td|th|ul|ol|li|blockquote|object|html|head|body|script)( [^>]*)?>/g),//blocklevel closing tag
/*2*/ new RegExp().compile(/<(div|p|h[1-6]|table|tr|td|th|ul|ol|li|blockquote|object|html|head|body|script)( [^>]*)?>/g),//blocklevel opening tag
/*3*/ new RegExp().compile(/<(br|hr|img|embed|param|pre|meta|link|title|area)[^>]*>/g),//singlet tag
/*4*/ new RegExp().compile(/(^|<\/(pre|script)>)(\s|[^\s])*?(<(pre|script)[^>]*>|$)/g),//find content NOT inside pre and script tags
/*5*/ new RegExp().compile(/(<pre[^>]*>)(\s|[^\s])*?(<\/pre>)/g),//find content inside pre tags
/*6*/ new RegExp().compile(/(^|<!--(\s|\S)*?-->)((\s|\S)*?)(?=<!--(\s|\S)*?-->|$)/g),//find content NOT inside comments
/*7*/ new RegExp().compile(/<\/(table|tbody|tr|td|th|ul|ol|object|html|head|body)( [^>]*)?>/g),//blocklevel closing tag
];
HTMLArea.__nindent = 0;
HTMLArea.__sindent = "";
HTMLArea.__sindentChar = (typeof sindentChar == "undefined") ? " " : sindentChar;
if(HTMLArea.is_gecko) { //moz changes returns into <br> inside <pre> tags
s = s.replace(c[5], function(str){return str.replace(/<br \/>/g,"\n")});
}
s = s.replace(c[4], function(strn) { //skip pre and script tags
strn = strn.replace(c[6], function(st,$1,$2,$3) { //exclude comments
string = $3.replace(/[\n\r]/gi, " ").replace(/\s+/gi," ").replace(c[0], function(str) {
if (str.match(c[2])) {
var s = "\n" + HTMLArea.__sindent + str;
// blocklevel openingtag - increase indent
HTMLArea.__sindent += HTMLArea.__sindentChar;
++HTMLArea.__nindent;
return s;
} else if (str.match(c[1])) {
// blocklevel closingtag - decrease indent
--HTMLArea.__nindent;
HTMLArea.__sindent = "";
for (var i=HTMLArea.__nindent;i>0;--i) {
HTMLArea.__sindent += HTMLArea.__sindentChar;
}
return (str.match(c[7]) ? "\n" + HTMLArea.__sindent : "") + str;
}
return str; // this won't actually happen
});
return $1 + string;
});return strn;
});
if (s.charAt(0) == "\n") {
return s.substring(1, s.length);
}
s = s.replace(/ *\n/g,'\n');//strip spaces at end of lines
return s;
};
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