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javascript.js
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javascript.js
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// remove the static text for search engines
document.getElementById("static").style.display = "none";
var tmpltr; // kept outside for console inspection
// needed: ...
// consider: more sensical nomenclature, smarter export w/ options, draggable panes
// bugs: occasional stuck view on load, opera crappiness (maybe from Ace)
$.fn.ready(function(){
var $body = $("body");
// browser fail
if ((Modernizr.generatedcontent === false) || (Modernizr.localstorage === false)) {
$("body").addClass("error").removeClass("loading").css({ width: "700px", margin: "20px auto" }).html("<h1>Dang.</h1><p>Looks like your browser didn't pass whatever random tests I decided were arbitrarily important:</p><pre>Modernizr: " + JSON.stringify(Modernizr).replace(/,/gi, ",\n ").replace(/{/gi, "{\n ").replace(/}/gi, "\n}") + "</pre><p>If you think this is in error or that I'm a dummy, contact me <a href=\"http://mynameistommy.com/\">here</a>. Otherwise, if you'd like to use this app, <a href='http://browsehappy.com/'>upgrade your browser</a>.</p>");
return false;
}
tmpltr = {
appname: "tmpltr",
data: {},
structure: "",
style: "",
editors: {},
throttle: {
// in case I add other throttlers later...
render: undefined
},
$: {
output: {
body: $("#ifrOutput").contents().find("body"),
head: $("#ifrOutput").contents().find("head")
}
},
fn: {
setData: function(_data) {
tmpltr.$.data.removeClass("invalid");
if (typeof _data === "string") {
try {
_data = $.parseJSON(_data);
} catch (e1) {
try {
// Error parsing string data, attempting eval();
_data = eval('(' + _data + ')');
} catch (e2) {
tmpltr.$.data.addClass("invalid");
return false;
}
}
}
if (typeof _data === "object") {
tmpltr.data = _data || tmpltr.data;
}
},
setStructure: function(_structure) {
tmpltr.structure = _structure || tmpltr.structure;
},
setStyle: function(_style) {
tmpltr.style = _style || tmpltr.style;
},
// sets tmpltr props, fills editors, renders output
useDataStructureStyle: function(settings) {
if (typeof settings !== "object") { return false; }
if (!settings.data || !settings.structure || !settings.style) { return false; }
tmpltr.fn.setData(settings.data);
tmpltr.fn.setStructure(settings.structure);
tmpltr.fn.setStyle(settings.style);
tmpltr.editors.data.getSession().setValue(settings.data);
tmpltr.editors.structure.getSession().setValue(settings.structure);
tmpltr.editors.style.getSession().setValue(settings.style);
return true;
},
renderOutput: function(sWhat){
tmpltr.throttle.render = tmpltr.throttle.render || setTimeout(function(){
sWhat = sWhat || "all";
if ((sWhat === "html") || (sWhat === "all")) {
tmpltr.$.output.body.html(
Mustache.to_html(tmpltr.structure, tmpltr.data)
);
var sTitle = tmpltr.$.output.body.find("h1:first").text().trim();
document.title = tmpltr.appname;
if (sTitle && sTitle !== tmpltr.appname) { document.title += " - " + sTitle; }
}
if ((sWhat === "style") || (sWhat === "all")) {
tmpltr.$.output.head.html(
$("<style />").html(tmpltr.style)
);
}
tmpltr.throttle.render = undefined;
}, 500);
},
saveToLocal: function(){
var obj = {
data: tmpltr.editors.data.getSession().getValue(),
structure: tmpltr.editors.structure.getSession().getValue(),
style: tmpltr.editors.style.getSession().getValue()
};
localStorage.tmpltr = JSON.stringify(obj);
return localStorage.tmpltr;
},
getLocal: function() {
if (localStorage.tmpltr) {
tmpltr.fn.useDataStructureStyle($.parseJSON(localStorage.tmpltr));
return true;
}
return false;
},
getDefaults: function(){
// probably not the cleanest way to do this...
var iMilli = +new Date(), def = {};
function areWeThereYet() {
if (def.data && def.structure && def.style) {
tmpltr.fn.useDataStructureStyle(def);
}
}
$.get("defaults/data.json?" + iMilli, function(resp) {
def.data = resp;
areWeThereYet();
}, "text");
$.get("defaults/structure.html?" + iMilli, function(resp) {
def.structure = resp;
areWeThereYet();
}, "text");
$.get("defaults/style.css?" + iMilli, function(resp) {
def.style = resp;
areWeThereYet();
}, "text");
return true;
},
reset: function(){
delete localStorage.tmpltr;
tmpltr.fn.getDefaults();
},
exportUri: function(){
// will open a data URI in a new window, some browsers may cut it off...
var sTitle = tmpltr.$.output.body.find("h1:first").text().trim();
var sUrl = "data:text/html," +
encodeURIComponent(
(sTitle ? "<title>" + sTitle + "</title> " : "") +
"<body>" + Mustache.to_html(tmpltr.structure, tmpltr.data) + "</body> " +
"<style>" + tmpltr.style + "</style> " +
"<form action='" + document.location.protocol + "//" + document.location.host + document.location.pathname + "' method='get' style='display:none'>" +
"<textarea name='data'>" + tmpltr.editors.data.getSession().getValue() + "</textarea> " +
"<textarea name='structure'>" + tmpltr.editors.structure.getSession().getValue() + "</textarea> " +
"<textarea name='style'>" + tmpltr.editors.style.getSession().getValue() + "</textarea> " +
"</form> " +
"<script src='" + document.location.protocol + "//" + document.location.host + document.location.pathname + "js/external.js'></script>"
);
window.open(sUrl);
},
getFromUrl: function(){
// http://stackoverflow.com/questions/439463/how-to-get-get-and-post-variables-with-jquery
var params = (function(){
var qs = document.location.search.split("+").join(" ");
var params = {}, tokens, re = /[?&]?([^=]+)=([^&]*)/g;
while (tokens = re.exec(qs)) {
params[decodeURIComponent(tokens[1])] = decodeURIComponent(tokens[2]);
}
return params;
}());
if (!params.data || !params.structure || !params.style) { return false; }
tmpltr.fn.useDataStructureStyle(params);
// clean up URL
if (Modernizr.history) {
history.replaceState(null, null, document.location.pathname);
}
return true;
},
fileDragOver: function (evt) {
evt.stopPropagation();
evt.preventDefault();
$body.addClass("dropit");
},
fileDrop: function (evt) {
evt.stopPropagation();
evt.preventDefault();
var files = evt.dataTransfer.files;
for (var i = 0, f; f = files[i]; i++) {
var reader = new FileReader();
reader.onload = (function (theFile) {
return function (e) {
// clean this up!
if (theFile.name.indexOf(".json") > -1) {
tmpltr.editors.data.getSession().setValue(e.target.result);
tmpltr.fn.setData(e.target.result);
} else if (theFile.name.indexOf(".html") > -1) {
tmpltr.editors.structure.getSession().setValue(e.target.result);
tmpltr.fn.setStructure(e.target.result);
} else if (theFile.name.indexOf(".css") > -1) {
tmpltr.editors.style.getSession().setValue(e.target.result);
tmpltr.fn.setStyle(e.target.result);
}
};
})(f);
reader.readAsText(f);
}
tmpltr.fn.renderOutput();
tmpltr.fn.saveToLocal();
$body.removeClass("dropit");
}
} // fn
};
// instantiate ace editors
var editors = [
{ name: "data", id: "preData", mode: require("ace/mode/json").Mode },
{ name: "structure", id: "preStructure", mode: require("ace/mode/html").Mode },
{ name: "style", id: "preStyle", mode: require("ace/mode/css").Mode }
];
$.each(editors, function (iEditor, editor) {
var $editor = tmpltr.$[editor.name] = $("#" + editor.id);
var oEditor = ace.edit(editor.id);
oEditor.setTheme("ace/theme/twilight");
oEditor.getSession().setMode(new editor.mode);
oEditor.renderer.setShowGutter(false);
oEditor.renderer.setShowPrintMargin(false);
oEditor.getSession().setUseSoftTabs(true);
tmpltr.editors[editor.name] = oEditor;
oEditor.on("focus", function(){ $editor.addClass("focus"); });
oEditor.on("blur", function(){ $editor.removeClass("focus"); });
});
// attempt: fill from URL, get localStorage, or load defaults; then render
if (!tmpltr.fn.getFromUrl()) {
if (!tmpltr.fn.getLocal()) {
tmpltr.fn.getDefaults();
}
}
tmpltr.fn.renderOutput();
// bind change events (not perfect: doesn't know paste, deleting)
// could be abstracted more
tmpltr.editors.data.getSession().on('change', function() {
tmpltr.fn.setData(tmpltr.editors.data.getSession().getValue());
tmpltr.fn.renderOutput("html");
tmpltr.fn.saveToLocal();
});
tmpltr.editors.structure.getSession().on('change', function() {
tmpltr.fn.setStructure(tmpltr.editors.structure.getSession().getValue());
tmpltr.fn.renderOutput("html");
tmpltr.fn.saveToLocal();
});
tmpltr.editors.style.getSession().on('change', function() {
tmpltr.fn.setStyle(tmpltr.editors.style.getSession().getValue());
tmpltr.fn.renderOutput("style");
tmpltr.fn.saveToLocal();
});
tmpltr.$.nav = $("#nav");
// view switcher and nav links
tmpltr.$.nav
.on("click", ".inpView", function(){
var $checked = tmpltr.$.nav.find("input:checked"), sVal = $checked.val();
$body.attr("role", sVal);
localStorage.view = sVal;
$.each(tmpltr.editors, function(i, editor) {
editor.resize();
});
})
.on("click", "#aReset", function(){
tmpltr.fn.reset();
return false;
})
.on("click", "#aExport", function(){
tmpltr.fn.exportUri();
return false;
});
// view in localStorage?
if (localStorage.view) { $(".inpView[value='" + localStorage.view + "']").click(); }
// handle files getting dragged into document
if (Modernizr.file) {
$body[0].addEventListener('dragover', tmpltr.fn.fileDragOver, false);
$body[0].addEventListener('drop', tmpltr.fn.fileDrop, false);
tmpltr.$.output.body[0].addEventListener('dragover', tmpltr.fn.fileDragOver, false);
tmpltr.$.output.body[0].addEventListener('drop', tmpltr.fn.fileDrop, false);
}
// force links in output out of iframe
tmpltr.$.output.body.on("click", "a", function() {
var $a = $(this);
if ($a.attr("href") && $a.attr("href") !== "#") {
document.location = $a.attr("href");
}
});
$body.removeClass("loading");
});