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/*
* WYMeditor : what you see is What You Mean web-based editor
* Copyright (c) 2005 - 2011 Jean-Francois Hovinne, http://www.wymeditor.org/
* Dual licensed under the MIT (MIT-license.txt)
* and GPL (GPL-license.txt) licenses.
*
* For further information visit:
* http://www.wymeditor.org/
*
* File Name:
* jquery.wymeditor.rdfa.js
* RDFa plugin for WYMeditor
*
* File Authors:
* Jean-Francois Hovinne (@jfhovinne)
*/
//Extend WYMeditor
WYMeditor.editor.prototype.rdfa = function (options) {
var wym = this,
rdfa = new WYMeditor.RDFa(options, wym);
return rdfa;
};
//RDFa constructor
WYMeditor.RDFa = function (options, wym) {
var rdfa = this;
options = jQuery.extend({
setStdNameSpaces: true,
extendXHTMLParser: true,
buttons: {}
}, options);
rdfa._options = options;
rdfa._wym = wym;
rdfa.init();
};
//RDFa plugin init
WYMeditor.RDFa.prototype.init = function () {
var rdfa = this;
if (rdfa._options.setStdNameSpaces) {
rdfa.setStdNameSpaces();
}
if (rdfa._options.extendXHTMLParser) {
rdfa.extendXHTMLParser();
}
rdfa.setButtons();
};
//Adding the namespaces to the document
WYMeditor.RDFa.prototype.setStdNameSpaces = function () {
var rdfa = this;
rdfa.addNameSpace('xmlns', 'http://www.w3.org/1999/xhtml');
rdfa.addNameSpace('version', 'XHTML+RDFa 1.0');
};
WYMeditor.RDFa.prototype.addNameSpace = function (attr, value) {
var rdfa = this;
jQuery('html', rdfa._wym._doc)
.attr(attr, value);
};
WYMeditor.RDFa.prototype.extendXHTMLParser = function () {
var rdfa = this;
rdfa.extendAttributes();
rdfa.setStdVocabularies();
rdfa.extendLinkAttributes();
};
WYMeditor.RDFa.prototype.extendAttributes = function () {
//Add the RDFa attributes
WYMeditor.XhtmlValidator._attributes.core.attributes.push(
'rel',
'rev',
'content',
'href',
'src',
'about',
'property',
'resource',
'datatype',
'typeof'
);
};
WYMeditor.RDFa.prototype.setStdVocabularies = function () {
var rdfa = this;
//Add the 'standard' vocabularies
vocabularies = [
'xmlns:biblio',
'xmlns:cc',
'xmlns:dbp',
'xmlns:dbr',
'xmlns:dc',
'xmlns:ex',
'xmlns:foaf',
'xmlns:rdf',
'xmlns:rdfs',
'xmlns:taxo',
'xmlns:xhv',
'xmlns:xsd'
];
jQuery.each(vocabularies, function (index, vocabulary) {
rdfa.addVocabulary(vocabulary);
});
};
WYMeditor.RDFa.prototype.addVocabulary = function (vocabulary) {
WYMeditor.XhtmlValidator._attributes.core.attributes.push(vocabulary);
};
WYMeditor.RDFa.prototype.extendLinkAttributes = function () {
//Overwrite the <a> attributes 'rel' and 'rev'
WYMeditor.XhtmlValidator._tags.a = {
"attributes": {
"0": "charset",
"1": "coords",
"2": "href",
"3": "hreflang",
"4": "name",
"5": "rel",
"6": "rev",
"shape": /^(rect|rectangle|circ|circle|poly|polygon)$/,
"7": "type"
}
};
};
WYMeditor.RDFa.prototype.setButtons = function () {
var rdfa = this,
list = jQuery(rdfa._wym._box).find('div.wym_classes ul');
jQuery.each(rdfa._options.buttons, function (index, button) {
list
.append('<li></li>')
.children(':last')
.append('<a></a>')
.children(':last')
.attr('href', '#')
.text(button.title)
.bind('click',
{
instance: rdfa._wym,
button: button,
ns: button.ns,
attr: button.attr,
value: button.value
},
rdfa.clickButtonHandler);
});
};
WYMeditor.RDFa.prototype.clickButtonHandler = function (evt) {
var wym = evt.data.instance,
selected = wym.selectedContainer();
//the attribute already exists, remove it
if (typeof jQuery(selected).attr(evt.data.attr) !== 'undefined' &&
jQuery(selected).attr(evt.data.attr) !== '') {
WYMeditor.console.log(
'attribute already exists, remove it:',
evt.data.attr,
jQuery(selected).attr(evt.data.attr)
);
jQuery(selected)
.removeAttr(evt.data.attr)
.removeClass(evt.data.ns)
.removeClass(evt.data.attr)
.removeClass(evt.data.value);
//else, add it
} else {
WYMeditor.console.log('attribute does not exist, add it:', evt.data.attr, evt.data.value);
if (evt.data.value) { //value available
jQuery(selected)
.attr(evt.data.attr, evt.data.ns + ':' + evt.data.value)
.addClass(evt.data.ns)
.addClass(evt.data.attr)
.addClass(evt.data.value);
} else { //value not available
evt.data.value = prompt('Value', '');
if (evt.data.value !== null) {
jQuery(selected)
.attr(evt.data.attr, evt.data.value)
.addClass(evt.data.ns)
.addClass(evt.data.attr)
.addClass(evt.data.value);
}
}
}
return false;
};
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