+
+#### Exercises
+
+1. Replace all `/` in a string with `\`.
+
+### Splitting
+
+Use `str_split()` to split a string up into pieces. For example, we could split sentences into words:
+
+```{r}
+sentences %>%
+ head(5) %>%
+ str_split(" ")
+```
+
+Because each component might contain a different number of pieces, this returns a list. If you're working with a length-1 vector, the easiest thing is to just extra the first element of the list:
+
+```{r}
+"a|b|c|d" %>%
+ str_split("\\|") %>%
+ .[[1]]
+```
+
+Otherwise, like the other stringr functions that return a list, you can use `simplify = TRUE` to return a matrix:
+
+```{r}
+sentences %>%
+ head(5) %>%
+ str_split(" ", simplify = TRUE)
+```
+
+You can also request a maximum number of pieces;
+
+```{r}
+fields <- c("Name: Hadley", "County: NZ", "Age: 35")
+fields %>% str_split(": ", n = 2, simplify = TRUE)
+```
+
+Instead of splitting up strings by patterns, you can also split up by character, line, sentence and word `boundary()`s:
+
+```{r}
+x <- "This is a sentence. This is another sentence."
+str_view_all(x, boundary("word"))
+
+str_split(x, " ")[[1]]
+str_split(x, boundary("word"))[[1]]
+```
+
+#### Exercises
+
+1. Split up a string like `"apples, pears, and bananas"` into individual
+ components.
+
+1. Why is it's better to split up by `boundary("word")` than `" "`?
+
+1. What does splitting with an empty string (`""`) do?
+
+### Find matches
+
+`str_locate()`, `str_locate_all()` gives you the starting and ending positions of each match. These are particularly useful when none of the other functions does exactly what you want. You can use `str_locate()` to find the matching pattern, `str_sub()` to extract and/or modify them.
+
+## Other types of pattern
+
+When you use a pattern that's a string, it's automatically wrapped into a call to `regex()`:
+
+```{r, eval = FALSE}
+# The regular call:
+str_view(fruit, "nana")
+# Is shorthand for
+str_view(fruit, regex("nana"))
+```
+
+You can use the other arguments of `regex()` to control details of the match:
+
+* `ignore_case = TRUE` allows characters to match either their uppercase or
+ lowercase forms. This always uses the current locale.
+
+ ```{r}
+ bananas <- c("banana", "Banana", "BANANA")
+ str_view(bananas, "banana")
+ str_view(bananas, regex("banana", ignore_case = TRUE))
+ ```
+
+* `multiline = TRUE` allows `^` and `$` to match the start and end of each
+ line rather than the start and end of the complete string.
+
+ ```{r}
+ x <- "Line 1\nLine 2\nLine 3"
+ str_view_all(x, "^Line")
+ str_view_all(x, regex("^Line", multiline = TRUE))
+ ```
+
+* `comments = TRUE` allows you to use comments and white space to make
+ complex regular expressions more understand. Space are ignored, as is
+ everything after `#`. To match a literal space, you'll need to escape it:
+ `"\\ "`.
+
+* `dotall = TRUE` allows `.` to match everything, including `\n`.
+
+There are three other functions you can use instead of `regex()`:
+
+* `fixed()`: matches exactly the specified sequence of bytes. It ignores
+ all special regular expressions and operates at a very low level.
+ This allows you to avoid complex escaping can be much faster than
+ regular expressions:
+
+ ```{r}
+ microbenchmark::microbenchmark(
+ fixed = str_detect(sentences, fixed("the")),
+ regex = str_detect(sentences, "the")
+ )
+ ```
+
+ Here the fixed match is almost 3x times faster than the regular
+ expression match. However, if you're working with non-English data
+ `fixed()` can lead to unreliable matches because there are often
+ multiple ways of representing the same character. For example, there
+ are two ways to define "á": either as a single character or as an "a"
+ plus an accent:
+
+ ```{r}
+ a1 <- "\u00e1"
+ a2 <- "a\u0301"
+ c(a1, a2)
+ a1 == a2
+ ```
+
+ They render identically, but because they're defined differently,
+ `fixed()` does find a match. Instead, you can use `coll()`, defined
+ next to respect human character comparison rules:
+
+ ```{r}
+ str_detect(a1, fixed(a2))
+ str_detect(a1, coll(a2))
+ ```
+
+* `coll()`: compare strings using standard **coll**ation rules. This is
+ useful for doing case insensitive matching. Note that `coll()` takes a
+ `locale` parameter that controls which rules are used for comparing
+ characters. Unfortunately different parts of the world use different rules!
+
+ ```{r}
+ # That means you also need to be aware of the difference
+ # when doing case insensitive matches:
+ i <- c("I", "İ", "i", "ı")
+ i
+
+ str_subset(i, coll("i", TRUE))
+ str_subset(i, coll("i", TRUE, locale = "tr"))
+ ```
+
+ Both `fixed()` and `regex()` have `ignore_case` arguments, but they
+ do not allow you to pick the locale: they always use the default locale.
+ You can see what that is with the following code; more on stringi
+ later.
+
+ ```{r}
+ stringi::stri_locale_info()
+ ```
+
+ The downside of `coll()` is because the rules for recognising which
+ characters are the same are complicated, `coll()` is relatively slow
+ compared to `regex()` and `fixed()`.
+
+* As you saw with `str_split()` you can use `boundary()` to match boundaries.
+ You can also use it with the other functions, all though
+
+ ```{r}
+ x <- "This is a sentence."
+ str_view_all(x, boundary("word"))
+ str_extract_all(x, boundary("word"))
+ ```
+
+### Exercises
+
+1. How would you find all strings containing `\` with `regex()` vs.
+ with `fixed()`?
+
+1. What are the five most common words in `sentences`?
+
+## Other uses of regular expressions
+
+There are a few other functions in base R that accept regular expressions:
+
+* `apropos()` searchs all objects avaiable from the global environment. This
+ is useful if you can't quite remember the name of the function.
+
+ ```{r}
+ apropos("replace")
+ ```
+
+* `dir()` lists all the files in a directory. The `pattern` argument takes
+ a regular expression and only return file names that match the pattern.
+ For example, you can find all the rmarkdown files in the current
+ directory with:
+
+ ```{r}
+ head(dir(pattern = "\\.Rmd$"))
+ ```
+
+ (If you're more comfortable with "globs" like `*.Rmd`, you can convert
+ them to regular expressions with `glob2rx()`):
+
+* `ls()` is similar to `apropos()` but only works in the current
+ environment. However, if you have so many objects in your environment
+ that you have to use a regular expression to filter them all, you
+ need to think about what you're doing! (And probably use a list instead).
+
+
+## Advanced topics
+
+
+### The stringi package
+
+stringr is built on top of the __stringi__ package. stringr is useful when you're learning because it exposes a minimal set of functions, that have been carefully picked to handle the most common string manipulation functions. stringi on the other hand is designed to be comprehensive. It contains almost every function you might ever need. stringi has `length(ls("package:stringi"))` functions to stringr's `length(ls("package:stringr"))`.
+
+So if you find yourself struggling to do something that doesn't seem natural in stringr, it's worth taking a look at stringi. The use of the two packages are very similar because stringi was designed to mimic stringi's interface. The main difference is the prefix: `str_` vs `stri_`.
+
+### Encoding
+
+Complicated and fraught with difficulty. Best approach is to convert to UTF-8 as soon as possible. All stringr and stringi functions do this. Readr always reads as UTF-8.
+
+* UTF-8
+* Latin1
+* bytes: everything else
+
+Generally, you should fix encoding problems during the data import phase.
+
+Detect encoding operates statistically, by comparing frequency of byte fragments across languages and encodings. Fundamentally heuristic and works better with larger amounts of text (i.e. a whole file, not a single string from that file).
+
+```{r}
+x <- "\xc9migr\xe9 cause c\xe9l\xe8bre d\xe9j\xe0 vu."
+x
+str_conv(x, "ISO-8859-1")
+
+as.data.frame(stringi::stri_enc_detect(x))
+str_conv(x, "ISO-8859-2")
+```
+
+### UTF-8
+
+
+
+
+
+Homoglyph attack, https://github.com/reinderien/mimic.
+
diff --git a/www/.gitignore b/www/.gitignore
index 51c709b..c143e03 100644
--- a/www/.gitignore
+++ b/www/.gitignore
@@ -1,3 +1 @@
-bootstrap-2.3.2/
-highlight/
-jquery-1.11.0/
\ No newline at end of file
+bootstrap-2.3.2
diff --git a/www/htmlwidgets-0.5/htmlwidgets.js b/www/htmlwidgets-0.5/htmlwidgets.js
new file mode 100644
index 0000000..0777920
--- /dev/null
+++ b/www/htmlwidgets-0.5/htmlwidgets.js
@@ -0,0 +1,625 @@
+(function() {
+ // If window.HTMLWidgets is already defined, then use it; otherwise create a
+ // new object. This allows preceding code to set options that affect the
+ // initialization process (though none currently exist).
+ window.HTMLWidgets = window.HTMLWidgets || {};
+
+ // See if we're running in a viewer pane. If not, we're in a web browser.
+ var viewerMode = window.HTMLWidgets.viewerMode =
+ /\bviewer_pane=1\b/.test(window.location);
+
+ // See if we're running in Shiny mode. If not, it's a static document.
+ // Note that static widgets can appear in both Shiny and static modes, but
+ // obviously, Shiny widgets can only appear in Shiny apps/documents.
+ var shinyMode = window.HTMLWidgets.shinyMode =
+ typeof(window.Shiny) !== "undefined" && !!window.Shiny.outputBindings;
+
+ // We can't count on jQuery being available, so we implement our own
+ // version if necessary.
+ function querySelectorAll(scope, selector) {
+ if (typeof(jQuery) !== "undefined" && scope instanceof jQuery) {
+ return scope.find(selector);
+ }
+ if (scope.querySelectorAll) {
+ return scope.querySelectorAll(selector);
+ }
+ }
+
+ function asArray(value) {
+ if (value === null)
+ return [];
+ if ($.isArray(value))
+ return value;
+ return [value];
+ }
+
+ // Implement jQuery's extend
+ function extend(target /*, ... */) {
+ if (arguments.length == 1) {
+ return target;
+ }
+ for (var i = 1; i < arguments.length; i++) {
+ var source = arguments[i];
+ for (var prop in source) {
+ if (source.hasOwnProperty(prop)) {
+ target[prop] = source[prop];
+ }
+ }
+ }
+ return target;
+ }
+
+ // IE8 doesn't support Array.forEach.
+ function forEach(values, callback, thisArg) {
+ if (values.forEach) {
+ values.forEach(callback, thisArg);
+ } else {
+ for (var i = 0; i < values.length; i++) {
+ callback.call(thisArg, values[i], i, values);
+ }
+ }
+ }
+
+ // Replaces the specified method with the return value of funcSource.
+ //
+ // Note that funcSource should not BE the new method, it should be a function
+ // that RETURNS the new method. funcSource receives a single argument that is
+ // the overridden method, it can be called from the new method. The overridden
+ // method can be called like a regular function, it has the target permanently
+ // bound to it so "this" will work correctly.
+ function overrideMethod(target, methodName, funcSource) {
+ var superFunc = target[methodName] || function() {};
+ var superFuncBound = function() {
+ return superFunc.apply(target, arguments);
+ };
+ target[methodName] = funcSource(superFuncBound);
+ }
+
+ // Implement a vague facsimilie of jQuery's data method
+ function elementData(el, name, value) {
+ if (arguments.length == 2) {
+ return el["htmlwidget_data_" + name];
+ } else if (arguments.length == 3) {
+ el["htmlwidget_data_" + name] = value;
+ return el;
+ } else {
+ throw new Error("Wrong number of arguments for elementData: " +
+ arguments.length);
+ }
+ }
+
+ // http://stackoverflow.com/questions/3446170/escape-string-for-use-in-javascript-regex
+ function escapeRegExp(str) {
+ return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
+ }
+
+ function hasClass(el, className) {
+ var re = new RegExp("\\b" + escapeRegExp(className) + "\\b");
+ return re.test(el.className);
+ }
+
+ // elements - array (or array-like object) of HTML elements
+ // className - class name to test for
+ // include - if true, only return elements with given className;
+ // if false, only return elements *without* given className
+ function filterByClass(elements, className, include) {
+ var results = [];
+ for (var i = 0; i < elements.length; i++) {
+ if (hasClass(elements[i], className) == include)
+ results.push(elements[i]);
+ }
+ return results;
+ }
+
+ function on(obj, eventName, func) {
+ if (obj.addEventListener) {
+ obj.addEventListener(eventName, func, false);
+ } else if (obj.attachEvent) {
+ obj.attachEvent(eventName, func);
+ }
+ }
+
+ function off(obj, eventName, func) {
+ if (obj.removeEventListener)
+ obj.removeEventListener(eventName, func, false);
+ else if (obj.detachEvent) {
+ obj.detachEvent(eventName, func);
+ }
+ }
+
+ // Translate array of values to top/right/bottom/left, as usual with
+ // the "padding" CSS property
+ // https://developer.mozilla.org/en-US/docs/Web/CSS/padding
+ function unpackPadding(value) {
+ if (typeof(value) === "number")
+ value = [value];
+ if (value.length === 1) {
+ return {top: value[0], right: value[0], bottom: value[0], left: value[0]};
+ }
+ if (value.length === 2) {
+ return {top: value[0], right: value[1], bottom: value[0], left: value[1]};
+ }
+ if (value.length === 3) {
+ return {top: value[0], right: value[1], bottom: value[2], left: value[1]};
+ }
+ if (value.length === 4) {
+ return {top: value[0], right: value[1], bottom: value[2], left: value[3]};
+ }
+ }
+
+ // Convert an unpacked padding object to a CSS value
+ function paddingToCss(paddingObj) {
+ return paddingObj.top + "px " + paddingObj.right + "px " + paddingObj.bottom + "px " + paddingObj.left + "px";
+ }
+
+ // Makes a number suitable for CSS
+ function px(x) {
+ if (typeof(x) === "number")
+ return x + "px";
+ else
+ return x;
+ }
+
+ // Retrieves runtime widget sizing information for an element.
+ // The return value is either null, or an object with fill, padding,
+ // defaultWidth, defaultHeight fields.
+ function sizingPolicy(el) {
+ var sizingEl = document.querySelector("script[data-for='" + el.id + "'][type='application/htmlwidget-sizing']");
+ if (!sizingEl)
+ return null;
+ var sp = JSON.parse(sizingEl.textContent || sizingEl.text || "{}");
+ if (viewerMode) {
+ return sp.viewer;
+ } else {
+ return sp.browser;
+ }
+ }
+
+ function initSizing(el) {
+ var sizing = sizingPolicy(el);
+ if (!sizing)
+ return;
+
+ var cel = document.getElementById("htmlwidget_container");
+ if (!cel)
+ return;
+
+ if (typeof(sizing.padding) !== "undefined") {
+ document.body.style.margin = "0";
+ document.body.style.padding = paddingToCss(unpackPadding(sizing.padding));
+ }
+
+ if (sizing.fill) {
+ document.body.style.overflow = "hidden";
+ document.body.style.width = "100%";
+ document.body.style.height = "100%";
+ document.documentElement.style.width = "100%";
+ document.documentElement.style.height = "100%";
+ if (cel) {
+ cel.style.position = "absolute";
+ var pad = unpackPadding(sizing.padding);
+ cel.style.top = pad.top + "px";
+ cel.style.right = pad.right + "px";
+ cel.style.bottom = pad.bottom + "px";
+ cel.style.left = pad.left + "px";
+ el.style.width = "100%";
+ el.style.height = "100%";
+ }
+
+ return {
+ getWidth: function() { return cel.offsetWidth; },
+ getHeight: function() { return cel.offsetHeight; }
+ };
+
+ } else {
+ el.style.width = px(sizing.width);
+ el.style.height = px(sizing.height);
+
+ return {
+ getWidth: function() { return el.offsetWidth; },
+ getHeight: function() { return el.offsetHeight; }
+ };
+ }
+ }
+
+ // Default implementations for methods
+ var defaults = {
+ find: function(scope) {
+ return querySelectorAll(scope, "." + this.name);
+ },
+ renderError: function(el, err) {
+ var $el = $(el);
+
+ this.clearError(el);
+
+ // Add all these error classes, as Shiny does
+ var errClass = "shiny-output-error";
+ if (err.type !== null) {
+ // use the classes of the error condition as CSS class names
+ errClass = errClass + " " + $.map(asArray(err.type), function(type) {
+ return errClass + "-" + type;
+ }).join(" ");
+ }
+ errClass = errClass + " htmlwidgets-error";
+
+ // Is el inline or block? If inline or inline-block, just display:none it
+ // and add an inline error.
+ var display = $el.css("display");
+ $el.data("restore-display-mode", display);
+
+ if (display === "inline" || display === "inline-block") {
+ $el.hide();
+ if (err.message !== "") {
+ var errorSpan = $("").addClass(errClass);
+ errorSpan.text(err.message);
+ $el.after(errorSpan);
+ }
+ } else if (display === "block") {
+ // If block, add an error just after the el, set visibility:none on the
+ // el, and position the error to be on top of the el.
+ // Mark it with a unique ID and CSS class so we can remove it later.
+ $el.css("visibility", "hidden");
+ if (err.message !== "") {
+ var errorDiv = $("
").addClass(errClass).css("position", "absolute")
+ .css("top", el.offsetTop)
+ .css("left", el.offsetLeft)
+ // setting width can push out the page size, forcing otherwise
+ // unnecessary scrollbars to appear and making it impossible for
+ // the element to shrink; so use max-width instead
+ .css("maxWidth", el.offsetWidth)
+ .css("height", el.offsetHeight);
+ errorDiv.text(err.message);
+ $el.after(errorDiv);
+
+ // Really dumb way to keep the size/position of the error in sync with
+ // the parent element as the window is resized or whatever.
+ var intId = setInterval(function() {
+ if (!errorDiv[0].parentElement) {
+ clearInterval(intId);
+ return;
+ }
+ errorDiv
+ .css("top", el.offsetTop)
+ .css("left", el.offsetLeft)
+ .css("maxWidth", el.offsetWidth)
+ .css("height", el.offsetHeight);
+ }, 500);
+ }
+ }
+ },
+ clearError: function(el) {
+ var $el = $(el);
+ var display = $el.data("restore-display-mode");
+ $el.data("restore-display-mode", null);
+
+ if (display === "inline" || display === "inline-block") {
+ if (display)
+ $el.css("display", display);
+ $(el.nextSibling).filter(".htmlwidgets-error").remove();
+ } else if (display === "block"){
+ $el.css("visibility", "inherit");
+ $(el.nextSibling).filter(".htmlwidgets-error").remove();
+ }
+ },
+ sizing: {}
+ };
+
+ // Called by widget bindings to register a new type of widget. The definition
+ // object can contain the following properties:
+ // - name (required) - A string indicating the binding name, which will be
+ // used by default as the CSS classname to look for.
+ // - initialize (optional) - A function(el) that will be called once per
+ // widget element; if a value is returned, it will be passed as the third
+ // value to renderValue.
+ // - renderValue (required) - A function(el, data, initValue) that will be
+ // called with data. Static contexts will cause this to be called once per
+ // element; Shiny apps will cause this to be called multiple times per
+ // element, as the data changes.
+ window.HTMLWidgets.widget = function(definition) {
+ if (!definition.name) {
+ throw new Error("Widget must have a name");
+ }
+ if (!definition.type) {
+ throw new Error("Widget must have a type");
+ }
+ // Currently we only support output widgets
+ if (definition.type !== "output") {
+ throw new Error("Unrecognized widget type '" + definition.type + "'");
+ }
+ // TODO: Verify that .name is a valid CSS classname
+ if (!definition.renderValue) {
+ throw new Error("Widget must have a renderValue function");
+ }
+
+ // For static rendering (non-Shiny), use a simple widget registration
+ // scheme. We also use this scheme for Shiny apps/documents that also
+ // contain static widgets.
+ window.HTMLWidgets.widgets = window.HTMLWidgets.widgets || [];
+ // Merge defaults into the definition; don't mutate the original definition.
+ var staticBinding = extend({}, defaults, definition);
+ overrideMethod(staticBinding, "find", function(superfunc) {
+ return function(scope) {
+ var results = superfunc(scope);
+ // Filter out Shiny outputs, we only want the static kind
+ return filterByClass(results, "html-widget-output", false);
+ };
+ });
+ window.HTMLWidgets.widgets.push(staticBinding);
+
+ if (shinyMode) {
+ // Shiny is running. Register the definition as an output binding.
+
+ // Merge defaults into the definition; don't mutate the original definition.
+ // The base object is a Shiny output binding if we're running in Shiny mode,
+ // or an empty object if we're not.
+ var shinyBinding = extend(new Shiny.OutputBinding(), defaults, definition);
+
+ // Wrap renderValue to handle initialization, which unfortunately isn't
+ // supported natively by Shiny at the time of this writing.
+
+ // NB: shinyBinding.initialize may be undefined, as it's optional.
+
+ // Rename initialize to make sure it isn't called by a future version
+ // of Shiny that does support initialize directly.
+ shinyBinding._htmlwidgets_initialize = shinyBinding.initialize;
+ delete shinyBinding.initialize;
+
+ overrideMethod(shinyBinding, "find", function(superfunc) {
+ return function(scope) {
+
+ var results = superfunc(scope);
+
+ // Only return elements that are Shiny outputs, not static ones
+ var dynamicResults = results.filter(".html-widget-output");
+
+ // It's possible that whatever caused Shiny to think there might be
+ // new dynamic outputs, also caused there to be new static outputs.
+ // Since there might be lots of different htmlwidgets bindings, we
+ // schedule execution for later--no need to staticRender multiple
+ // times.
+ if (results.length !== dynamicResults.length)
+ scheduleStaticRender();
+
+ return dynamicResults;
+ };
+ });
+
+ overrideMethod(shinyBinding, "renderValue", function(superfunc) {
+ return function(el, data) {
+ // Resolve strings marked as javascript literals to objects
+ if (!(data.evals instanceof Array)) data.evals = [data.evals];
+ for (var i = 0; data.evals && i < data.evals.length; i++) {
+ window.HTMLWidgets.evaluateStringMember(data.x, data.evals[i]);
+ }
+ if (!this.renderOnNullValue) {
+ if (data.x === null) {
+ el.style.visibility = "hidden";
+ return;
+ } else {
+ el.style.visibility = "inherit";
+ }
+ }
+ if (!elementData(el, "initialized")) {
+ initSizing(el);
+
+ elementData(el, "initialized", true);
+ if (this._htmlwidgets_initialize) {
+ var result = this._htmlwidgets_initialize(el, el.offsetWidth,
+ el.offsetHeight);
+ elementData(el, "init_result", result);
+ }
+ }
+ Shiny.renderDependencies(data.deps);
+ superfunc(el, data.x, elementData(el, "init_result"));
+ };
+ });
+
+ overrideMethod(shinyBinding, "resize", function(superfunc) {
+ return function(el, width, height) {
+ // Shiny can call resize before initialize/renderValue have been
+ // called, which doesn't make sense for widgets.
+ if (elementData(el, "initialized")) {
+ superfunc(el, width, height, elementData(el, "init_result"));
+ }
+ };
+ });
+
+ Shiny.outputBindings.register(shinyBinding, shinyBinding.name);
+ }
+ };
+
+ var scheduleStaticRenderTimerId = null;
+ function scheduleStaticRender() {
+ if (!scheduleStaticRenderTimerId) {
+ scheduleStaticRenderTimerId = setTimeout(function() {
+ scheduleStaticRenderTimerId = null;
+ window.HTMLWidgets.staticRender();
+ }, 1);
+ }
+ }
+
+ // Render static widgets after the document finishes loading
+ // Statically render all elements that are of this widget's class
+ window.HTMLWidgets.staticRender = function() {
+ var bindings = window.HTMLWidgets.widgets || [];
+ forEach(bindings, function(binding) {
+ var matches = binding.find(document.documentElement);
+ forEach(matches, function(el) {
+ var sizeObj = initSizing(el, binding);
+
+ if (hasClass(el, "html-widget-static-bound"))
+ return;
+ el.className = el.className + " html-widget-static-bound";
+
+ var initResult;
+ if (binding.initialize) {
+ initResult = binding.initialize(el,
+ sizeObj ? sizeObj.getWidth() : el.offsetWidth,
+ sizeObj ? sizeObj.getHeight() : el.offsetHeight
+ );
+ }
+
+ if (binding.resize) {
+ var lastSize = {};
+ var resizeHandler = function(e) {
+ var size = {
+ w: sizeObj ? sizeObj.getWidth() : el.offsetWidth,
+ h: sizeObj ? sizeObj.getHeight() : el.offsetHeight
+ };
+ if (size.w === 0 && size.h === 0)
+ return;
+ if (size.w === lastSize.w && size.h === lastSize.h)
+ return;
+ lastSize = size;
+ binding.resize(el, size.w, size.h, initResult);
+ };
+
+ on(window, "resize", resizeHandler);
+
+ // This is needed for cases where we're running in a Shiny
+ // app, but the widget itself is not a Shiny output, but
+ // rather a simple static widget. One example of this is
+ // an rmarkdown document that has runtime:shiny and widget
+ // that isn't in a render function. Shiny only knows to
+ // call resize handlers for Shiny outputs, not for static
+ // widgets, so we do it ourselves.
+ if (window.jQuery) {
+ window.jQuery(document).on("shown", resizeHandler);
+ window.jQuery(document).on("hidden", resizeHandler);
+ }
+
+ // This is needed for the specific case of ioslides, which
+ // flips slides between display:none and display:block.
+ // Ideally we would not have to have ioslide-specific code
+ // here, but rather have ioslides raise a generic event,
+ // but the rmarkdown package just went to CRAN so the
+ // window to getting that fixed may be long.
+ if (window.addEventListener) {
+ // It's OK to limit this to window.addEventListener
+ // browsers because ioslides itself only supports
+ // such browsers.
+ on(document, "slideenter", resizeHandler);
+ on(document, "slideleave", resizeHandler);
+ }
+ }
+
+ var scriptData = document.querySelector("script[data-for='" + el.id + "'][type='application/json']");
+ if (scriptData) {
+ var data = JSON.parse(scriptData.textContent || scriptData.text);
+ // Resolve strings marked as javascript literals to objects
+ if (!(data.evals instanceof Array)) data.evals = [data.evals];
+ for (var k = 0; data.evals && k < data.evals.length; k++) {
+ window.HTMLWidgets.evaluateStringMember(data.x, data.evals[k]);
+ }
+ binding.renderValue(el, data.x, initResult);
+ }
+ });
+ });
+ }
+
+ // Wait until after the document has loaded to render the widgets.
+ if (document.addEventListener) {
+ document.addEventListener("DOMContentLoaded", function() {
+ document.removeEventListener("DOMContentLoaded", arguments.callee, false);
+ window.HTMLWidgets.staticRender();
+ }, false);
+ } else if (document.attachEvent) {
+ document.attachEvent("onreadystatechange", function() {
+ if (document.readyState === "complete") {
+ document.detachEvent("onreadystatechange", arguments.callee);
+ window.HTMLWidgets.staticRender();
+ }
+ });
+ }
+
+
+ window.HTMLWidgets.getAttachmentUrl = function(depname, key) {
+ // If no key, default to the first item
+ if (typeof(key) === "undefined")
+ key = 1;
+
+ var link = document.getElementById(depname + "-" + key + "-attachment");
+ if (!link) {
+ throw new Error("Attachment " + depname + "/" + key + " not found in document");
+ }
+ return link.getAttribute("href");
+ };
+
+ window.HTMLWidgets.dataframeToD3 = function(df) {
+ var names = [];
+ var length;
+ for (var name in df) {
+ if (df.hasOwnProperty(name))
+ names.push(name);
+ if (typeof(df[name]) !== "object" || typeof(df[name].length) === "undefined") {
+ throw new Error("All fields must be arrays");
+ } else if (typeof(length) !== "undefined" && length !== df[name].length) {
+ throw new Error("All fields must be arrays of the same length");
+ }
+ length = df[name].length;
+ }
+ var results = [];
+ var item;
+ for (var row = 0; row < length; row++) {
+ item = {};
+ for (var col = 0; col < names.length; col++) {
+ item[names[col]] = df[names[col]][row];
+ }
+ results.push(item);
+ }
+ return results;
+ };
+
+ window.HTMLWidgets.transposeArray2D = function(array) {
+ var newArray = array[0].map(function(col, i) {
+ return array.map(function(row) {
+ return row[i]
+ })
+ });
+ return newArray;
+ };
+ // Split value at splitChar, but allow splitChar to be escaped
+ // using escapeChar. Any other characters escaped by escapeChar
+ // will be included as usual (including escapeChar itself).
+ function splitWithEscape(value, splitChar, escapeChar) {
+ var results = [];
+ var escapeMode = false;
+ var currentResult = "";
+ for (var pos = 0; pos < value.length; pos++) {
+ if (!escapeMode) {
+ if (value[pos] === splitChar) {
+ results.push(currentResult);
+ currentResult = "";
+ } else if (value[pos] === escapeChar) {
+ escapeMode = true;
+ } else {
+ currentResult += value[pos];
+ }
+ } else {
+ currentResult += value[pos];
+ escapeMode = false;
+ }
+ }
+ if (currentResult !== "") {
+ results.push(currentResult);
+ }
+ return results;
+ }
+ // Function authored by Yihui/JJ Allaire
+ window.HTMLWidgets.evaluateStringMember = function(o, member) {
+ var parts = splitWithEscape(member, '.', '\\');
+ for (var i = 0, l = parts.length; i < l; i++) {
+ var part = parts[i];
+ // part may be a character or 'numeric' member name
+ if (o !== null && typeof o === "object" && part in o) {
+ if (i == (l - 1)) { // if we are at the end of the line then evalulate
+ if (typeof o[part] === "string")
+ o[part] = eval("(" + o[part] + ")");
+ } else { // otherwise continue to next embedded object
+ o = o[part];
+ }
+ }
+ }
+ };
+})();
+
diff --git a/www/jquery-1.11.0/jquery.min.js b/www/jquery-1.11.0/jquery.min.js
new file mode 100644
index 0000000..73f33fb
--- /dev/null
+++ b/www/jquery-1.11.0/jquery.min.js
@@ -0,0 +1,4 @@
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