var htmlOutputBinding = new OutputBinding();
$.extend(htmlOutputBinding, {
find: function(scope) {
return $(scope).find('.shiny-html-output');
},
onValueError: function(el, err) {
exports.unbindAll(el);
this.renderError(el, err);
},
renderValue: function(el, data) {
exports.renderContent(el, data);
}
});
outputBindings.register(htmlOutputBinding, 'shiny.htmlOutput');
var renderDependencies = exports.renderDependencies = function(dependencies) {
if (dependencies) {
$.each(dependencies, function(i, dep) {
renderDependency(dep);
});
}
};
// Render HTML in a DOM element, add dependencies, and bind Shiny
// inputs/outputs. `content` can be null, a string, or an object with
// properties 'html' and 'deps'.
exports.renderContent = function(el, content) {
exports.unbindAll(el);
var html;
var dependencies = [];
if (content === null) {
html = '';
} else if (typeof(content) === 'string') {
html = content;
} else if (typeof(content) === 'object') {
html = content.html;
dependencies = content.deps || [];
}
exports.renderHtml(html, el, dependencies);
exports.initializeInputs(el);
exports.bindAll(el);
};
// Render HTML in a DOM element, inserting singletons into head as needed
exports.renderHtml = function(html, el, dependencies) {
renderDependencies(dependencies);
return singletons.renderHtml(html, el);
};
var htmlDependencies = {};
function registerDependency(name, version) {
htmlDependencies[name] = version;
}
// Client-side dependency resolution and rendering
function renderDependency(dep) {
if (htmlDependencies.hasOwnProperty(dep.name))
return false;
registerDependency(dep.name, dep.version);
var href = dep.src.href;
var $head = $("head").first();
if (dep.meta) {
var metas = $.map(asArray(dep.meta), function(content, name) {
return $("").attr("name", name).attr("content", content);
});
$head.append(metas);
}
if (dep.stylesheet) {
var stylesheets = $.map(asArray(dep.stylesheet), function(stylesheet) {
return $("")
.attr("href", href + "/" + encodeURI(stylesheet));
});
$head.append(stylesheets);
}
if (dep.script) {
var scripts = $.map(asArray(dep.script), function(scriptName) {
return $("