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/*!
Deck JS - deck.smartsyntax
Copyright (c) 2012 Rémi Emonet
Dual licensed under the MIT license and GPL license.
https://github.com/imakewebthings/deck.js/blob/master/MIT-license.txt
https://github.com/imakewebthings/deck.js/blob/master/GPL-license.txt
*/
/*
This module provides a support for a shorter syntax for slides.
*/
(function($, deck, undefined) {
var $d = $(document);
var may = function(f) {return f ? f : function() {}};
var startsWith = function(longStr, part) {return longStr.substr(0, part.length) == part;}
var startsWithIgnoreCase = function(longStr, part) {return longStr.substr(0, part.length).toUpperCase() == part.toUpperCase();}
var maybeAddClasses = function(toWhat, spaceSeparatedClasses, uniqueId) {
if (uniqueId != "") $(toWhat).attr("id", uniqueId);
if (spaceSeparatedClasses == "") return;
var parts = spaceSeparatedClasses.split(/ +/);
for (i in parts) {
$(toWhat).addClass(parts[i]);
}
}
var interpretationOfSmartLanguage = function(smart, doc) {
var res = new Array();
var inSlide = null;
var indent = "";
var deepestList = null;
var remain = smart;
var processMath = function(content) {
return content.replace(/\$([^$][^$]*)\$/g, '<span class="latex">\\displaystyle $1</span>').replace(/\$\$/, '$');
}
var setEnrichedContent = function(what, content) {
content = processMath(content);
return what.innerHTML = content;
}
var endSlide = function() {
inSlide = null;
indent = new Array();
indent = "";
deepestList = null;
}
while (true) {
var nl = remain.indexOf("\n");
var line = remain.substring(0, nl).replace(/^ */, "");
// we iterate over the lines
// treat trailing unique-id and classes before anything
var uniqueId = "";
while (line.match(/^(.*)#([^\]\| >]*)$/)) {
uniqueId = RegExp.$2;
line = RegExp.$1;
}
var addClasses = "";
{
while (line.match(/^(.*)\[([^\] >]*)\]$/)) {
addClasses = RegExp.$2 + " " + addClasses;
line = RegExp.$1;
}
}
if (line == "") {
} else if (line.match(/^==(.*)==$/)) {
var title = RegExp.$1;
if (inSlide) endSlide();
inSlide = doc.createElement("section");
$(inSlide).addClass("slide");
maybeAddClasses(inSlide, addClasses, uniqueId);
var h = doc.createElement("h1");
setEnrichedContent(h, title);
inSlide.appendChild(h);
deepestList = inSlide;
res[res.length] = inSlide;
} else if (line.match(/^=(.*)=$/)) {
var title = RegExp.$1;
if (inSlide) endSlide();
inSlide = doc.createElement("section");
$(inSlide).addClass("slide");
maybeAddClasses(inSlide, addClasses, uniqueId);
var h = doc.createElement("h2");
setEnrichedContent(h, title);
inSlide.appendChild(h);
deepestList = inSlide;
res[res.length] = inSlide;
} else if (line.match(/^([-*#]+)(.*)$/)) {
var pref = RegExp.$1;
var content = RegExp.$2;
if (indent == "" && pref == "") {
// do not create the li
} else if (pref == indent) {
var li = doc.createElement("li");
maybeAddClasses(li, addClasses, uniqueId);
setEnrichedContent(li, content);
deepestList.appendChild(li);
} else {
// un-push as needed
while (! startsWith(pref, indent)) {
deepestList = deepestList.parentNode;
if (deepestList.tagName == "LI") deepestList = deepestList.parentNode;
indent = indent.substr(0, indent.length - 1);
}
// clean the special '-' that we can use for magic unpush
pref = pref.replace(/^-*/, "");
// re-push as needed
while (pref.length > indent.length) {
var asso = {"*": "ul", "#": "ol"};
var toPush = pref.substr(indent.length, 1);
indent = indent.concat(toPush);
var list = doc.createElement(asso[toPush]);
if ((deepestList.tagName == "UL" || deepestList.tagName == "OL") && deepestList.childNodes.length > 0) {
deepestList.lastChild.appendChild(list);
} else {
deepestList.appendChild(list);
}
deepestList = list;
}
if (indent == "" && pref == "") {
// do not create the li
} else {
var li = doc.createElement("li");
maybeAddClasses(li, addClasses, uniqueId);
setEnrichedContent(li, content);
deepestList.appendChild(li);
}
}
} else if (startsWithIgnoreCase(line, "@SVG:")) {
var parts = line.replace(/@SVG\: */i, "").split(/ +/);
var obj = $("<object type='deckjs/svg'/>");
$.each(parts[0].split(/,/), function(i,c){obj.addClass(c);});
obj.append($("<param name='src'/>").attr("value", parts[1]))
.append($("<param name='width'/>").attr("value", parts[2]))
.append($("<param name='height'/>").attr("value", parts[3]))
.appendTo(inSlide);
} else if (startsWithIgnoreCase(line, "@ANIM-PLAY:")) {
line = line.replace(/@ANIM-PLAY\: */i, "");
$("<div/>").addClass("anim-play slide").attr("data-what", line).appendTo(deepestList);
} else if (startsWithIgnoreCase(line, "@ANIM-PAUSE:")) {
line = line.replace(/@ANIM-PAUSE\: */i, "");
$("<div/>").addClass("anim-pause slide").attr("data-what", line).appendTo(deepestList);
} else if (startsWithIgnoreCase(line, "@ANIM-ATTRIBUTE:")) {
line = line.replace(/@ANIM-ATTRIBUTE\: */i, "");
var main = line.split(/ *: */);
$("<div/>").addClass("anim-attribute slide").attr("data-dur", main[0]).attr("data-what", main[1]).attr("data-attr", main[2]+":"+main[3]).appendTo(deepestList);
} else if (startsWithIgnoreCase(line, "@ANIM-APPEAR:")) {
line = line.replace(/@ANIM-APPEAR\: */i, "");
if (uniqueId != "") line += "#"+uniqueId; // restore possibly removed id
var main = line.split(/ *: */);
var dur = main[0];
var parts = main[1].split(/ *\| */);
for (i in parts) {
// process each group of simultaneous animations
var subparts = parts[i].split(/ *\+ */);
for (ii in subparts) {
var what = subparts[ii];
var continuating = ii != subparts.length-1;
var add = $("<div/>");
add.attr("data-dur", dur);
if (what[0] == '-') {
add.addClass("anim-hide");
what = what.substring(1);
} else if (what[0] == '@') {
// TODO if it looks like @....@ then the target is specified, else it is just all SVGs root elements
add.addClass("anim-viewboxas");
what = what.substring(1);
add.attr("data-as", what);
what = "svg";
} else {
add.addClass("anim-show");
}
add.addClass("slide").attr("data-what", what);
if (continuating) add.addClass("anim-continue");
add.appendTo(deepestList);
}
}
} else if (startsWith(line, "@<")) {
line = line.replace(/^@/, "");
var contentToAdd = "";
// test on remain to avoid infinite loop
while (line != null && remain.length != 0) {
if (line.match(/^@<\//)) {
// normal stopping condition
line = line.replace(/^@/, "");
contentToAdd += " " + line + "\n";
break;
}
if (nl != -1) remain = remain.substring(nl + 1);
contentToAdd += " " + line + "\n";
nl = remain.indexOf("\n");
line = remain.substring(0, nl).replace(/^ */, "");
}
deepestList.innerHTML = deepestList.innerHTML + processMath(contentToAdd) + " ";
} else {
while (true) {
try {
deepestList.innerHTML = deepestList.innerHTML + processMath(line) + " ";
break;
} catch (e) {
// TODO was ok with xhtml not really now
remain = remain.substring(nl + 1);
nl = remain.indexOf("\n");
var line2 = remain.substring(0, nl).replace(/^ */, "");
line = line + "\n" + line2;
}
}
}
if (nl != -1) remain = remain.substring(nl + 1);
else break;
}
return res;
}
// this have to be executed before the deck init
$d.bind('deck.beforeInit', function() {
$('.smart').each(function() {
var it = this;
var slides = interpretationOfSmartLanguage(it.innerHTML, document);
it.innerHTML = ""; // clear the smart node
$(it).after(slides);
});
});
})(jQuery, 'deck');
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