/*
* jQuery RTE plugin 0.5 - create a rich text form for Mozilla, Opera, and Internet Explorer
*
* Copyright (c) 2007 Batiste Bieler
* Distributed under the GPL (GPL-LICENSE.txt) licenses.
*
* Modified by Kamran Ayub (1/21/2009)
* http://intrepidstudios.com/
*
* Modified by Anton Simov (10/29/2009)
* http://www.antonsimov.com/
*/
// define the rte light plugin
(function ($) {
$.fn.rte = function (options) {
//
// plugin defaults
//
$.fn.rte.defaults = {
style: null
}; // defaults
//
// build main options before element iteration
var opts = $.extend({}, $.fn.rte.defaults, options);
//
// iterate and construct the RTEs
return this.each(function () {
var textarea = $(this);
var myID = textarea.attr("id");
var iframe = $("iframe#" + myID);
textarea.addClass("rte-zone");
// element specific options
var settings = $.meta ? $.extend({}, opts, textarea.data()) : opts;
//
// enable design mode
function enableDesignMode() {
var content = textarea.val();
// Mozilla needs this to display caret
if ($.trim(content) == '') {
content = '
';
}
// already created? show/hide
if (iframe.length > 0) {
$(iframe).contents().find("body").html(content);
return true;
}
// need to be created this way
iframe = document.createElement("iframe");
iframe.frameBorder = 0;
iframe.frameMargin = 0;
iframe.framePadding = 0;
iframe.height = 200;
if (textarea.attr('class'))
iframe.className = textarea.attr('class');
if (textarea.attr('id'))
iframe.id = myID;
if (textarea.attr('name'))
iframe.title = textarea.attr('name');
textarea.after(iframe);
var style = "";
if (settings.style) {
style = settings.style;
}
else {
//IFrame style
style = "";
}
var doc = "" + style + "" + content + "";
tryEnableDesignMode(doc, function () {
$("#toolbar-" + myID).remove();
textarea.before(getToolbar());
// hide textarea
textarea.hide();
});
}
function tryEnableDesignMode(doc, callback) {
if (!iframe) { return false; }
try {
iframe.contentWindow.document.open();
iframe.contentWindow.document.write(doc);
iframe.contentWindow.document.close();
} catch (error) {
console.log(error)
}
if (document.contentEditable) {
iframe.contentWindow.document.designMode = "On";
callback();
return true;
}
else if (document.designMode != null) {
try {
iframe.contentWindow.document.designMode = "on";
callback();
return true;
} catch (error) {
console.log(error)
}
}
setTimeout(function () { tryEnableDesignMode(doc, callback) }, 250);
return false;
}
//
// create toolbar
function getToolbar() {
var toolBar = $("");
toolbarFunc(toolBar);
return toolBar
}
function toolbarFunc(tb) {
$('select', tb).change(function () {
var index = this.selectedIndex;
if (index != 0) {
var selected = this.options[index].value;
formatText("formatblock", '<' + selected + '>');
}
});
$('.bold', tb).click(function () { formatText('bold'); return false; });
$('.italic', tb).click(function () { formatText('italic'); return false; });
$('.unorderedlist', tb).click(function () { formatText('insertunorderedlist'); return false; });
$('.orderedlist', tb).click(function () { formatText('insertorderedlist'); return false; });
$('.link', tb).click(function () {
var p = prompt("URL:");
if (p)
formatText('CreateLink', p);
return false;
});
$('.image', tb).click(function () {
var p = prompt("image URL:");
if (p)
formatText('InsertImage', p);
return false;
});
$('.switch-code', tb).unbind('click').click(function () {
if ($(iframe).is(":visible")) {
$(this).addClass('html-rte').removeClass('html-code');
$('li:not(:last)', tb).addClass('ui-state-disabled');
$(':input', tb).attr('disabled', true);
$('a:not(.switch-code)', tb).unbind('click').click(function (e) { e.preventDefault(); }); //Unload toolbar functionality
textarea.show();
$(iframe).hide();
}
else {
$(this).addClass('html-code').removeClass('html-rte');
$(':input', tb).attr('disabled', false);
$('li:not(:last)', tb).removeClass('ui-state-disabled');
toolbarFunc(tb);
//Switching from textarea to rte transfers textrea value
$(iframe.contentWindow.document.body).html(textarea.val());
textarea.hide();
$(iframe).show();
//AiM CSM Specific!
loadPluginRTEFunction();
}
return false;
});
var iframeDoc = $(iframe.contentWindow.document);
var select = $('select', tb)[0];
iframeDoc.mouseup(function () {
updateTextarea();
setSelectedType(getSelectionElement(), select);
return true;
});
iframeDoc.keyup(function () {
updateTextarea();
setSelectedType(getSelectionElement(), select);
var body = $('body', iframeDoc);
if (body.scrollTop() > 0)
iframe.height = Math.min(350, parseInt(iframe.height) + body.scrollTop());
return true;
});
iframeDoc.blur(function () {
updateTextarea();
});
return tb;
}
function updateTextarea() { textarea.val($(iframe.contentWindow.document.body).html()); };
function formatText(command, option) {
iframe.contentWindow.focus();
try {
iframe.contentWindow.document.execCommand(command, false, option);
} catch (e) { console.log(e) }
iframe.contentWindow.focus();
updateTextarea();
}
function setSelectedType(node, select) {
while (node.parentNode) {
var nName = node.nodeName.toLowerCase();
for (var i = 0; i < select.options.length; i++) {
if (nName == select.options[i].value) {
select.selectedIndex = i;
return true;
}
}
node = node.parentNode;
}
select.selectedIndex = 0;
return true;
}
function getSelectionElement() {
if (iframe.contentWindow.document.selection) {
// IE selections
selection = iframe.contentWindow.document.selection;
range = selection.createRange();
try {
node = range.parentElement();
}
catch (e) {
return false;
}
} else {
// Mozilla selections
try {
selection = iframe.contentWindow.getSelection();
range = selection.getRangeAt(0);
}
catch (e) {
return false;
}
node = range.commonAncestorContainer;
}
return node;
}
//
// enable design mode now
enableDesignMode();
}); //return this.each
}; // rte
})(jQuery);