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index.html
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<!DOCTYPE html><!--
Copyright (c) 2014, DartLab. All rights reserved. Use of this source code
is governed by a BSD-style license that can be found in the LICENSE file.
--><html><head itemscope="" itemtype="http://schema.org/SoftwareApplication"><script src="packages/web_components/webcomponents.min.js"></script><script src="packages/web_components/dart_support.js"></script>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title itemprop="name">DartLab</title>
<meta name="description" itemprop="description" content="Test and share your Dart script on DartLab.org">
<meta itemprop="image" content="img/dartlab_logo_wordmark.png">
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-58153248-1', 'auto');
ga('send', 'pageview', {
'page': location.pathname + location.search + location.hash
});
</script>
<!-- Add to homescreen for Chrome on Android -->
<meta name="mobile-web-app-capable" content="yes">
<link rel="icon" sizes="192x192" href="img/touch/chrome-touch-icon-192x192.png">
<!-- Add to homescreen for Safari on iOS -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="apple-mobile-web-app-title" content="Web Starter Kit">
<link rel="apple-touch-icon-precomposed" href="apple-touch-icon-precomposed.png">
<!-- Tile icon for Win8 (144x144 + tile color) -->
<meta name="msapplication-TileImage" content="img/touch/ms-touch-icon-144x144-precomposed.png">
<meta name="msapplication-TileColor" content="#3372DF">
</head>
<body unresolved="" fullbleed="" vertical="" layout=""><div hidden=""><style shim-shadowdom="">
/*******************************
Flex Layout
*******************************/
html /deep/ [layout][horizontal], html /deep/ [layout][vertical] {
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
}
html /deep/ [layout][horizontal][inline], html /deep/ [layout][vertical][inline] {
display: -ms-inline-flexbox;
display: -webkit-inline-flex;
display: inline-flex;
}
html /deep/ [layout][horizontal] {
-ms-flex-direction: row;
-webkit-flex-direction: row;
flex-direction: row;
}
html /deep/ [layout][horizontal][reverse] {
-ms-flex-direction: row-reverse;
-webkit-flex-direction: row-reverse;
flex-direction: row-reverse;
}
html /deep/ [layout][vertical] {
-ms-flex-direction: column;
-webkit-flex-direction: column;
flex-direction: column;
}
html /deep/ [layout][vertical][reverse] {
-ms-flex-direction: column-reverse;
-webkit-flex-direction: column-reverse;
flex-direction: column-reverse;
}
html /deep/ [layout][wrap] {
-ms-flex-wrap: wrap;
-webkit-flex-wrap: wrap;
flex-wrap: wrap;
}
html /deep/ [layout][wrap-reverse] {
-ms-flex-wrap: wrap-reverse;
-webkit-flex-wrap: wrap-reverse;
flex-wrap: wrap-reverse;
}
html /deep/ [flex] {
-ms-flex: 1 1 0.000000001px;
-webkit-flex: 1;
flex: 1;
-webkit-flex-basis: 0.000000001px;
flex-basis: 0.000000001px;
}
html /deep/ [vertical][layout] > [flex][auto-vertical], html /deep/ [vertical][layout]::shadow [flex][auto-vertical] {
-ms-flex: 1 1 auto;
-webkit-flex-basis: auto;
flex-basis: auto;
}
html /deep/ [flex][auto] {
-ms-flex: 1 1 auto;
-webkit-flex-basis: auto;
flex-basis: auto;
}
html /deep/ [flex][none] {
-ms-flex: none;
-webkit-flex: none;
flex: none;
}
html /deep/ [flex][one] {
-ms-flex: 1;
-webkit-flex: 1;
flex: 1;
}
html /deep/ [flex][two] {
-ms-flex: 2;
-webkit-flex: 2;
flex: 2;
}
html /deep/ [flex][three] {
-ms-flex: 3;
-webkit-flex: 3;
flex: 3;
}
html /deep/ [flex][four] {
-ms-flex: 4;
-webkit-flex: 4;
flex: 4;
}
html /deep/ [flex][five] {
-ms-flex: 5;
-webkit-flex: 5;
flex: 5;
}
html /deep/ [flex][six] {
-ms-flex: 6;
-webkit-flex: 6;
flex: 6;
}
html /deep/ [flex][seven] {
-ms-flex: 7;
-webkit-flex: 7;
flex: 7;
}
html /deep/ [flex][eight] {
-ms-flex: 8;
-webkit-flex: 8;
flex: 8;
}
html /deep/ [flex][nine] {
-ms-flex: 9;
-webkit-flex: 9;
flex: 9;
}
html /deep/ [flex][ten] {
-ms-flex: 10;
-webkit-flex: 10;
flex: 10;
}
html /deep/ [flex][eleven] {
-ms-flex: 11;
-webkit-flex: 11;
flex: 11;
}
html /deep/ [flex][twelve] {
-ms-flex: 12;
-webkit-flex: 12;
flex: 12;
}
/* alignment in cross axis */
html /deep/ [layout][start] {
-ms-flex-align: start;
-webkit-align-items: flex-start;
align-items: flex-start;
}
html /deep/ [layout][center], html /deep/ [layout][center-center] {
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
}
html /deep/ [layout][end] {
-ms-flex-align: end;
-webkit-align-items: flex-end;
align-items: flex-end;
}
/* alignment in main axis */
html /deep/ [layout][start-justified] {
-ms-flex-pack: start;
-webkit-justify-content: flex-start;
justify-content: flex-start;
}
html /deep/ [layout][center-justified], html /deep/ [layout][center-center] {
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
}
html /deep/ [layout][end-justified] {
-ms-flex-pack: end;
-webkit-justify-content: flex-end;
justify-content: flex-end;
}
html /deep/ [layout][around-justified] {
-ms-flex-pack: distribute;
-webkit-justify-content: space-around;
justify-content: space-around;
}
html /deep/ [layout][justified] {
-ms-flex-pack: justify;
-webkit-justify-content: space-between;
justify-content: space-between;
}
/* self alignment */
html /deep/ [self-start] {
-ms-align-self: flex-start;
-webkit-align-self: flex-start;
align-self: flex-start;
}
html /deep/ [self-center] {
-ms-align-self: center;
-webkit-align-self: center;
align-self: center;
}
html /deep/ [self-end] {
-ms-align-self: flex-end;
-webkit-align-self: flex-end;
align-self: flex-end;
}
html /deep/ [self-stretch] {
-ms-align-self: stretch;
-webkit-align-self: stretch;
align-self: stretch;
}
/*******************************
Other Layout
*******************************/
html /deep/ [block] {
display: block;
}
/* ie support for hidden */
html /deep/ [hidden] {
display: none !important;
}
html /deep/ [relative] {
position: relative;
}
html /deep/ [fit] {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
body[fullbleed] {
margin: 0;
height: 100vh;
}
/*******************************
Other
*******************************/
html /deep/ [segment], html /deep/ segment {
display: block;
position: relative;
-webkit-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
margin: 1em 0.5em;
padding: 1em;
background-color: white;
-webkit-box-shadow: 0px 0px 0px 1px rgba(0, 0, 0, 0.1);
box-shadow: 0px 0px 0px 1px rgba(0, 0, 0, 0.1);
border-radius: 5px 5px 5px 5px;
}
</style>
<script src="packages/polymer/src/js/polymer/polymer.min.js"></script>
<script>
// TODO(sigmund): remove this script tag (dartbug.com/19650). This empty
// script tag is necessary to work around a bug in Chrome 36.
</script>
<!-- unminified for debugging:
<link rel="import" href="src/js/polymer/layout.html">
<script src="src/js/polymer/polymer.js"></script>
-->
<polymer-element name="code-mirror" vertical="" layout="" relative="">
<template>
<style>/* Copyright (c) 2015, DartLab.org. All rights reserved. Use of this source code */
/* is governed by a BSD-style license that can be found in the LICENSE file. */
@import 'packages/codemirror/css/codemirror.css';
@import 'packages/codemirror/theme/3024-day.css';
@import 'packages/codemirror/theme/3024-night.css';
@import 'packages/codemirror/theme/ambiance-mobile.css';
@import 'packages/codemirror/theme/ambiance.css';
@import 'packages/codemirror/theme/base16-dark.css';
@import 'packages/codemirror/theme/base16-light.css';
@import 'packages/codemirror/theme/blackboard.css';
@import 'packages/codemirror/theme/cobalt.css';
@import 'packages/codemirror/theme/eclipse.css';
@import 'packages/codemirror/theme/elegant.css';
@import 'packages/codemirror/theme/erlang-dark.css';
@import 'packages/codemirror/theme/lesser-dark.css';
@import 'packages/codemirror/theme/mbo.css';
@import 'packages/codemirror/theme/mdn-like.css';
@import 'packages/codemirror/theme/midnight.css';
@import 'packages/codemirror/theme/monokai.css';
@import 'packages/codemirror/theme/neat.css';
@import 'packages/codemirror/theme/neo.css';
@import 'packages/codemirror/theme/night.css';
@import 'packages/codemirror/theme/paraiso-dark.css';
@import 'packages/codemirror/theme/paraiso-light.css';
@import 'packages/codemirror/theme/pastel-on-dark.css';
@import 'packages/codemirror/theme/rubyblue.css';
@import 'packages/codemirror/theme/solarized.css';
@import 'packages/codemirror/theme/the-matrix.css';
@import 'packages/codemirror/theme/tomorrow-night-bright.css';
@import 'packages/codemirror/theme/tomorrow-night-eighties.css';
@import 'packages/codemirror/theme/twilight.css';
@import 'packages/codemirror/theme/vibrant-ink.css';
@import 'packages/codemirror/theme/xq-dark.css';
@import 'packages/codemirror/theme/xq-light.css';
@import 'packages/codemirror/theme/zenburn.css';
</style>
<style>
.CodeMirror {
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
</style>
<textarea></textarea>
</template>
<script src="packages/codemirror/codemirror.js"></script>
</polymer-element>
<script src="packages/web_components/interop_support.js"></script>
<!-- Dart note: load polymer for Dart and JS from the same place -->
<script>
// This empty script is here to workaround issue
// https://github.com/dart-lang/core-elements/issues/11
</script>
<polymer-element name="paper-autogrow-textarea" on-input="{{inputAction}}">
<template>
<style>
:host {
display: inline-block;
position: relative;
width: 400px;
}
.mirror-text {
visibility: hidden;
word-wrap: break-word;
}
::content textarea {
padding: 0;
margin: 0;
border: none;
outline: none;
resize: none;
/* see comments in template */
width: 100%;
height: 100%;
}
::content textarea:invalid {
box-shadow: none;
}
</style>
<!-- the mirror sizes the input/textarea so it grows with typing -->
<div id="mirror" class="mirror-text" aria-hidden="true"> </div>
<!-- size the input/textarea with a div, because the textarea has intrinsic size in ff -->
<div class="textarea-container" fit="">
<content></content>
</div>
</template>
<script>
Polymer({
publish: {
/**
* The textarea that should auto grow.
*
* @attribute target
* @type HTMLTextAreaElement
* @default null
*/
target: null,
/**
* The initial number of rows.
*
* @attribute rows
* @type number
* @default 1
*/
rows: 1,
/**
* The maximum number of rows this element can grow to until it
* scrolls. 0 means no maximum.
*
* @attribute maxRows
* @type number
* @default 0
*/
maxRows: 0
},
tokens: null,
observe: {
rows: 'updateCached',
maxRows: 'updateCached'
},
constrain: function(tokens) {
var _tokens;
tokens = tokens || [''];
// Enforce the min and max heights for a multiline input to avoid measurement
if (this.maxRows > 0 && tokens.length > this.maxRows) {
_tokens = tokens.slice(0, this.maxRows);
} else {
_tokens = tokens.slice(0);
}
while (this.rows > 0 && _tokens.length < this.rows) {
_tokens.push('');
}
return _tokens.join('<br>') + ' ';
},
valueForMirror: function(input) {
this.tokens = (input && input.value) ? input.value.replace(/&/gm, '&').replace(/"/gm, '"').replace(/'/gm, ''').replace(/</gm, '<').replace(/>/gm, '>').split('\n') : [''];
return this.constrain(this.tokens);
},
/**
* Sizes this element to fit the input value. This function is automatically called
* when the user types in new input, but you must call this function if the value
* is updated imperatively.
*
* @method update
* @param Element The input
*/
update: function(input) {
this.$.mirror.innerHTML = this.valueForMirror(input);
},
updateCached: function() {
this.$.mirror.innerHTML = this.constrain(this.tokens);
},
inputAction: function(e) {
this.update(e.target);
}
});
</script>
</polymer-element>
<!-- Dart note: load polymer for Dart and JS from the same place -->
<script>
// This empty script is here to workaround issue
// https://github.com/dart-lang/core-elements/issues/11
</script>
<polymer-element name="core-meta" attributes="label type" hidden="">
<script>
(function() {
var SKIP_ID = 'meta';
var metaData = {}, metaArray = {};
Polymer('core-meta', {
/**
* The type of meta-data. All meta-data with the same type with be
* stored together.
*
* @attribute type
* @type string
* @default 'default'
*/
type: 'default',
alwaysPrepare: true,
ready: function() {
this.register(this.id);
},
get metaArray() {
var t = this.type;
if (!metaArray[t]) {
metaArray[t] = [];
}
return metaArray[t];
},
get metaData() {
var t = this.type;
if (!metaData[t]) {
metaData[t] = {};
}
return metaData[t];
},
register: function(id, old) {
if (id && id !== SKIP_ID) {
this.unregister(this, old);
this.metaData[id] = this;
this.metaArray.push(this);
}
},
unregister: function(meta, id) {
delete this.metaData[id || meta.id];
var i = this.metaArray.indexOf(meta);
if (i >= 0) {
this.metaArray.splice(i, 1);
}
},
/**
* Returns a list of all meta-data elements with the same type.
*
* @property list
* @type array
* @default []
*/
get list() {
return this.metaArray;
},
/**
* Retrieves meta-data by ID.
*
* @method byId
* @param {String} id The ID of the meta-data to be returned.
* @returns Returns meta-data.
*/
byId: function(id) {
return this.metaData[id];
}
});
})();
</script>
</polymer-element>
<polymer-element name="core-iconset" extends="core-meta" attributes="src width icons iconSize">
<script>
Polymer('core-iconset', {
/**
* The URL of the iconset image.
*
* @attribute src
* @type string
* @default ''
*/
src: '',
/**
* The width of the iconset image. This must only be specified if the
* icons are arranged into separate rows inside the image.
*
* @attribute width
* @type number
* @default 0
*/
width: 0,
/**
* A space separated list of names corresponding to icons in the iconset
* image file. This list must be ordered the same as the icon images
* in the image file.
*
* @attribute icons
* @type string
* @default ''
*/
icons: '',
/**
* The size of an individual icon. Note that icons must be square.
*
* @attribute iconSize
* @type number
* @default 24
*/
iconSize: 24,
/**
* The horizontal offset of the icon images in the inconset src image.
* This is typically used if the image resource contains additional images
* beside those intended for the iconset.
*
* @attribute offsetX
* @type number
* @default 0
*/
offsetX: 0,
/**
* The vertical offset of the icon images in the inconset src image.
* This is typically used if the image resource contains additional images
* beside those intended for the iconset.
*
* @attribute offsetY
* @type number
* @default 0
*/
offsetY: 0,
type: 'iconset',
created: function() {
this.iconMap = {};
this.iconNames = [];
this.themes = {};
},
ready: function() {
// TODO(sorvell): ensure iconset's src is always relative to the main
// document
if (this.src && (this.ownerDocument !== document)) {
this.src = this.resolvePath(this.src, this.ownerDocument.baseURI);
}
this.super();
this.updateThemes();
},
iconsChanged: function() {
var ox = this.offsetX;
var oy = this.offsetY;
this.icons && this.icons.split(/\s+/g).forEach(function(name, i) {
this.iconNames.push(name);
this.iconMap[name] = {
offsetX: ox,
offsetY: oy
}
if (ox + this.iconSize < this.width) {
ox += this.iconSize;
} else {
ox = this.offsetX;
oy += this.iconSize;
}
}, this);
},
updateThemes: function() {
var ts = this.querySelectorAll('property[theme]');
ts && ts.array().forEach(function(t) {
this.themes[t.getAttribute('theme')] = {
offsetX: parseInt(t.getAttribute('offsetX')) || 0,
offsetY: parseInt(t.getAttribute('offsetY')) || 0
};
}, this);
},
// TODO(ffu): support retrived by index e.g. getOffset(10);
/**
* Returns an object containing `offsetX` and `offsetY` properties which
* specify the pixel locaion in the iconset's src file for the given
* `icon` and `theme`. It's uncommon to call this method. It is useful,
* for example, to manually position a css backgroundImage to the proper
* offset. It's more common to use the `applyIcon` method.
*
* @method getOffset
* @param {String|Number} icon The name of the icon or the index of the
* icon within in the icon image.
* @param {String} theme The name of the theme.
* @returns {Object} An object specifying the offset of the given icon
* within the icon resource file; `offsetX` is the horizontal offset and
* `offsetY` is the vertical offset. Both values are in pixel units.
*/
getOffset: function(icon, theme) {
var i = this.iconMap[icon];
if (!i) {
var n = this.iconNames[Number(icon)];
i = this.iconMap[n];
}
var t = this.themes[theme];
if (i && t) {
return {
offsetX: i.offsetX + t.offsetX,
offsetY: i.offsetY + t.offsetY
}
}
return i;
},
/**
* Applies an icon to the given element as a css background image. This
* method does not size the element, and it's often necessary to set
* the element's height and width so that the background image is visible.
*
* @method applyIcon
* @param {Element} element The element to which the background is
* applied.
* @param {String|Number} icon The name or index of the icon to apply.
* @param {Number} scale (optional, defaults to 1) A scaling factor
* with which the icon can be magnified.
* @return {Element} The icon element.
*/
applyIcon: function(element, icon, scale) {
var offset = this.getOffset(icon);
scale = scale || 1;
if (element && offset) {
var icon = element._icon || document.createElement('div');
var style = icon.style;
style.backgroundImage = 'url(' + this.src + ')';
style.backgroundPosition = (-offset.offsetX * scale + 'px') +
' ' + (-offset.offsetY * scale + 'px');
style.backgroundSize = scale === 1 ? 'auto' :
this.width * scale + 'px';
if (icon.parentNode !== element) {
element.appendChild(icon);
}
return icon;
}
}
});
</script>
</polymer-element>
<style shim-shadowdom="">/* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */
html /deep/ core-icon {
display: inline-block;
vertical-align: middle;
background-repeat: no-repeat;
fill: currentcolor;
position: relative;
height: 24px;
width: 24px;
}</style>
<polymer-element name="core-icon" attributes="src icon alt">
<script>
(function() {
// mono-state
var meta;
Polymer('core-icon', {
/**
* The URL of an image for the icon. If the src property is specified,
* the icon property should not be.
*
* @attribute src
* @type string
* @default ''
*/
src: '',
/**
* Specifies the icon name or index in the set of icons available in
* the icon's icon set. If the icon property is specified,
* the src property should not be.
*
* @attribute icon
* @type string
* @default ''
*/
icon: '',
/**
* Alternative text content for accessibility support.
* If alt is present and not empty, it will set the element's role to img and add an aria-label whose content matches alt.
* If alt is present and is an empty string, '', it will hide the element from the accessibility layer
* If alt is not present, it will set the element's role to img and the element will fallback to using the icon attribute for its aria-label.
*
* @attribute alt
* @type string
* @default ''
*/
alt: null,
observe: {
'icon': 'updateIcon',
'alt': 'updateAlt'
},
defaultIconset: 'icons',
ready: function() {
if (!meta) {
meta = document.createElement('core-iconset');
}
// Allow user-provided `aria-label` in preference to any other text alternative.
if (this.hasAttribute('aria-label')) {
// Set `role` if it has not been overridden.
if (!this.hasAttribute('role')) {
this.setAttribute('role', 'img');
}
return;
}
this.updateAlt();
},
srcChanged: function() {
var icon = this._icon || document.createElement('div');
icon.textContent = '';
icon.setAttribute('fit', '');
icon.style.backgroundImage = 'url(' + this.src + ')';
icon.style.backgroundPosition = 'center';
icon.style.backgroundSize = '100%';
if (!icon.parentNode) {
this.appendChild(icon);
}
this._icon = icon;
},
getIconset: function(name) {
return meta.byId(name || this.defaultIconset);
},
updateIcon: function(oldVal, newVal) {
if (!this.icon) {
this.updateAlt();
return;
}
var parts = String(this.icon).split(':');
var icon = parts.pop();
if (icon) {
var set = this.getIconset(parts.pop());
if (set) {
this._icon = set.applyIcon(this, icon);
if (this._icon) {
this._icon.setAttribute('fit', '');
}
}
}
// Check to see if we're using the old icon's name for our a11y fallback
if (oldVal) {
if (oldVal.split(':').pop() == this.getAttribute('aria-label')) {
this.updateAlt();
}
}
},
updateAlt: function() {
// Respect the user's decision to remove this element from
// the a11y tree
if (this.getAttribute('aria-hidden')) {
return;
}
// Remove element from a11y tree if `alt` is empty, otherwise
// use `alt` as `aria-label`.
if (this.alt === '') {
this.setAttribute('aria-hidden', 'true');
if (this.hasAttribute('role')) {
this.removeAttribute('role');
}
if (this.hasAttribute('aria-label')) {
this.removeAttribute('aria-label');
}
} else {
this.setAttribute('aria-label', this.alt ||
this.icon.split(':').pop());
if (!this.hasAttribute('role')) {
this.setAttribute('role', 'img');
}
if (this.hasAttribute('aria-hidden')) {
this.removeAttribute('aria-hidden');
}
}
}
});
})();
</script>
</polymer-element>
<script>
// This empty script is here to workaround issue
// https://github.com/dart-lang/core-elements/issues/11
</script>
<polymer-element name="core-iconset-svg" extends="core-meta" attributes="iconSize">
<script>
Polymer('core-iconset-svg', {
/**
* The size of an individual icon. Note that icons must be square.