/*
* jQuery RTE plugin 0.2 - create a rich text form for Mozilla, Opera, and Internet Explorer
*
* Copyright (c) 2007 Batiste Bieler
* Distributed under the GPL (GPL-LICENSE.txt) licenses.
*/
// define the rte light plugin
jQuery.fn.rte = function(css_url) {
if (document.designMode || document.contentEditable) {
$(this).each(function() {
var textarea = $(this);
enableDesignMode(textarea);
});
}
function formatText(iframe, command, option) {
iframe.contentWindow.focus();
try {
iframe.contentWindow.document.execCommand(command, false, option);
} catch (e) { console.log(e) }
iframe.contentWindow.focus();
}
function tryEnableDesignMode(iframe, doc, callback) {
try {
iframe.contentWindow.document.open();
iframe.contentWindow.document.write(doc);
iframe.contentWindow.document.close();
} catch (error) {
console.log(error)
}
if (document.contentEditable) {
iframe.contentWindow.document.designMode = "On";
callback();
return true;
}
else if (document.designMode != null) {
try {
iframe.contentWindow.document.designMode = "on";
callback();
return true;
} catch (error) {
console.log(error)
}
}
setTimeout(function() { tryEnableDesignMode(iframe, doc, callback) }, 250);
return false;
}
function enableDesignMode(textarea) {
// need to be created this way
var iframe = document.createElement("iframe");
iframe.frameBorder = 0;
iframe.frameMargin = 0;
iframe.framePadding = 0;
if (textarea.attr('class'))
iframe.className = textarea.attr('class');
if (textarea.attr('id'))
iframe.id = textarea.attr('id');
if (textarea.attr('name'))
iframe.title = textarea.attr('name');
textarea.after(iframe);
var css = "";
if (css_url)
var css = "\n";
css += "";
var content = textarea.val();
// Mozilla need this to display caret
if ($.trim(content) == '')
content = '
';
var doc = "" + css + '' + content + "";
tryEnableDesignMode(iframe, doc, function() {
$(iframe).before(toolbar(iframe));
textarea.remove();
});
}
function disableDesignMode(iframe, submit) {
var content = iframe.contentWindow.document.getElementsByTagName("body")[0].innerHTML;
if (submit == true)
var textarea = $('');
else
var textarea = $('');
textarea.val(content);
t = textarea.get(0);
if (iframe.className)
t.className = iframe.className;
if (iframe.id)
t.id = iframe.id;
if (iframe.title)
t.name = iframe.title;
$(iframe).before(textarea);
if (submit != true)
$(iframe).remove();
}
function toolbar(iframe) {
var tb = $("");
$('.bold', tb).click(function() { formatText(iframe, 'bold'); return false; });
$('.center', tb).click(function() { formatText(iframe, 'justifycenter'); return false; });
$('.left', tb).click(function() { formatText(iframe, 'justifyleft'); return false; });
$('.disable', tb).click(function() { disableDesignMode(iframe); tb.remove(); return false; });
$(iframe).parents('form').submit(function() {
disableDesignMode(iframe, true);
});
var iframeDoc = $(iframe.contentWindow.document);
iframeDoc.mousedown(function() {
ifsHTML = iframe.contentWindow.document.getElementsByTagName("body")[0].innerHTML;
if (ifsHTML.indexOf("Your text here.") > -1 && ifsHTML.indexOf("Your text here.") < 5) {
iframe.contentWindow.document.getElementsByTagName("body")[0].innerHTML = '';
}
showLivePreview();
});
return tb;
}
function getSelectionElement(iframe) {
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;
}
}
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