From 5202ef4023d806de27f3a692321411f8b3470911 Mon Sep 17 00:00:00 2001 From: markhillard Date: Tue, 1 Nov 2016 13:28:09 -0400 Subject: [PATCH] Implement HTML file saver - close #9 --- README.md | 1 + index.html | 7 +- js/Blob.js | 211 ++++++++++++++++++++++++++++++++++++++++++++ js/FileSaver.min.js | 2 + js/main.js | 10 +++ 5 files changed, 230 insertions(+), 1 deletion(-) create mode 100644 js/Blob.js create mode 100644 js/FileSaver.min.js diff --git a/README.md b/README.md index b5ee302..c8777c0 100644 --- a/README.md +++ b/README.md @@ -24,6 +24,7 @@ Editor is an HTML/CSS/JS code editor that renders what you type in real-time. It - Refresh Editor - Clear Editor - Run Scripts In Browser +- Save As HTML File - Dependency Injection ### CodeMirror Addons diff --git a/index.html b/index.html index cbd17ed..8f02993 100644 --- a/index.html +++ b/index.html @@ -59,9 +59,9 @@ + - @@ -72,6 +72,10 @@ + + + + @@ -114,6 +118,7 @@ refresh clear run + save
diff --git a/js/Blob.js b/js/Blob.js new file mode 100644 index 0000000..6c3a255 --- /dev/null +++ b/js/Blob.js @@ -0,0 +1,211 @@ +/* Blob.js + * A Blob implementation. + * 2014-07-24 + * + * By Eli Grey, http://eligrey.com + * By Devin Samarin, https://github.com/dsamarin + * License: MIT + * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md + */ + +/*global self, unescape */ +/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, + plusplus: true */ + +/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */ + +(function (view) { + "use strict"; + + view.URL = view.URL || view.webkitURL; + + if (view.Blob && view.URL) { + try { + new Blob; + return; + } catch (e) {} + } + + // Internally we use a BlobBuilder implementation to base Blob off of + // in order to support older browsers that only have BlobBuilder + var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) { + var + get_class = function(object) { + return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1]; + } + , FakeBlobBuilder = function BlobBuilder() { + this.data = []; + } + , FakeBlob = function Blob(data, type, encoding) { + this.data = data; + this.size = data.length; + this.type = type; + this.encoding = encoding; + } + , FBB_proto = FakeBlobBuilder.prototype + , FB_proto = FakeBlob.prototype + , FileReaderSync = view.FileReaderSync + , FileException = function(type) { + this.code = this[this.name = type]; + } + , file_ex_codes = ( + "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " + + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR" + ).split(" ") + , file_ex_code = file_ex_codes.length + , real_URL = view.URL || view.webkitURL || view + , real_create_object_URL = real_URL.createObjectURL + , real_revoke_object_URL = real_URL.revokeObjectURL + , URL = real_URL + , btoa = view.btoa + , atob = view.atob + + , ArrayBuffer = view.ArrayBuffer + , Uint8Array = view.Uint8Array + + , origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/ + ; + FakeBlob.fake = FB_proto.fake = true; + while (file_ex_code--) { + FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1; + } + // Polyfill URL + if (!real_URL.createObjectURL) { + URL = view.URL = function(uri) { + var + uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a") + , uri_origin + ; + uri_info.href = uri; + if (!("origin" in uri_info)) { + if (uri_info.protocol.toLowerCase() === "data:") { + uri_info.origin = null; + } else { + uri_origin = uri.match(origin); + uri_info.origin = uri_origin && uri_origin[1]; + } + } + return uri_info; + }; + } + URL.createObjectURL = function(blob) { + var + type = blob.type + , data_URI_header + ; + if (type === null) { + type = "application/octet-stream"; + } + if (blob instanceof FakeBlob) { + data_URI_header = "data:" + type; + if (blob.encoding === "base64") { + return data_URI_header + ";base64," + blob.data; + } else if (blob.encoding === "URI") { + return data_URI_header + "," + decodeURIComponent(blob.data); + } if (btoa) { + return data_URI_header + ";base64," + btoa(blob.data); + } else { + return data_URI_header + "," + encodeURIComponent(blob.data); + } + } else if (real_create_object_URL) { + return real_create_object_URL.call(real_URL, blob); + } + }; + URL.revokeObjectURL = function(object_URL) { + if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) { + real_revoke_object_URL.call(real_URL, object_URL); + } + }; + FBB_proto.append = function(data/*, endings*/) { + var bb = this.data; + // decode data to a binary string + if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) { + var + str = "" + , buf = new Uint8Array(data) + , i = 0 + , buf_len = buf.length + ; + for (; i < buf_len; i++) { + str += String.fromCharCode(buf[i]); + } + bb.push(str); + } else if (get_class(data) === "Blob" || get_class(data) === "File") { + if (FileReaderSync) { + var fr = new FileReaderSync; + bb.push(fr.readAsBinaryString(data)); + } else { + // async FileReader won't work as BlobBuilder is sync + throw new FileException("NOT_READABLE_ERR"); + } + } else if (data instanceof FakeBlob) { + if (data.encoding === "base64" && atob) { + bb.push(atob(data.data)); + } else if (data.encoding === "URI") { + bb.push(decodeURIComponent(data.data)); + } else if (data.encoding === "raw") { + bb.push(data.data); + } + } else { + if (typeof data !== "string") { + data += ""; // convert unsupported types to strings + } + // decode UTF-16 to binary string + bb.push(unescape(encodeURIComponent(data))); + } + }; + FBB_proto.getBlob = function(type) { + if (!arguments.length) { + type = null; + } + return new FakeBlob(this.data.join(""), type, "raw"); + }; + FBB_proto.toString = function() { + return "[object BlobBuilder]"; + }; + FB_proto.slice = function(start, end, type) { + var args = arguments.length; + if (args < 3) { + type = null; + } + return new FakeBlob( + this.data.slice(start, args > 1 ? end : this.data.length) + , type + , this.encoding + ); + }; + FB_proto.toString = function() { + return "[object Blob]"; + }; + FB_proto.close = function() { + this.size = 0; + delete this.data; + }; + return FakeBlobBuilder; + }(view)); + + view.Blob = function(blobParts, options) { + var type = options ? (options.type || "") : ""; + var builder = new BlobBuilder(); + if (blobParts) { + for (var i = 0, len = blobParts.length; i < len; i++) { + if (Uint8Array && blobParts[i] instanceof Uint8Array) { + builder.append(blobParts[i].buffer); + } + else { + builder.append(blobParts[i]); + } + } + } + var blob = builder.getBlob(type); + if (!blob.slice && blob.webkitSlice) { + blob.slice = blob.webkitSlice; + } + return blob; + }; + + var getPrototypeOf = Object.getPrototypeOf || function(object) { + return object.__proto__; + }; + view.Blob.prototype = getPrototypeOf(new view.Blob()); +}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this)); diff --git a/js/FileSaver.min.js b/js/FileSaver.min.js new file mode 100644 index 0000000..9a1e397 --- /dev/null +++ b/js/FileSaver.min.js @@ -0,0 +1,2 @@ +/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */ +var saveAs=saveAs||function(e){"use strict";if(typeof e==="undefined"||typeof navigator!=="undefined"&&/MSIE [1-9]\./.test(navigator.userAgent)){return}var t=e.document,n=function(){return e.URL||e.webkitURL||e},r=t.createElementNS("http://www.w3.org/1999/xhtml","a"),o="download"in r,a=function(e){var t=new MouseEvent("click");e.dispatchEvent(t)},i=/constructor/i.test(e.HTMLElement)||e.safari,f=/CriOS\/[\d]+/.test(navigator.userAgent),u=function(t){(e.setImmediate||e.setTimeout)(function(){throw t},0)},s="application/octet-stream",d=1e3*40,c=function(e){var t=function(){if(typeof e==="string"){n().revokeObjectURL(e)}else{e.remove()}};setTimeout(t,d)},l=function(e,t,n){t=[].concat(t);var r=t.length;while(r--){var o=e["on"+t[r]];if(typeof o==="function"){try{o.call(e,n||e)}catch(a){u(a)}}}},p=function(e){if(/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)){return new Blob([String.fromCharCode(65279),e],{type:e.type})}return e},v=function(t,u,d){if(!d){t=p(t)}var v=this,w=t.type,m=w===s,y,h=function(){l(v,"writestart progress write writeend".split(" "))},S=function(){if((f||m&&i)&&e.FileReader){var r=new FileReader;r.onloadend=function(){var t=f?r.result:r.result.replace(/^data:[^;]*;/,"data:attachment/file;");var n=e.open(t,"_blank");if(!n)e.location.href=t;t=undefined;v.readyState=v.DONE;h()};r.readAsDataURL(t);v.readyState=v.INIT;return}if(!y){y=n().createObjectURL(t)}if(m){e.location.href=y}else{var o=e.open(y,"_blank");if(!o){e.location.href=y}}v.readyState=v.DONE;h();c(y)};v.readyState=v.INIT;if(o){y=n().createObjectURL(t);setTimeout(function(){r.href=y;r.download=u;a(r);h();c(y);v.readyState=v.DONE});return}S()},w=v.prototype,m=function(e,t,n){return new v(e,t||e.name||"download",n)};if(typeof navigator!=="undefined"&&navigator.msSaveOrOpenBlob){return function(e,t,n){t=t||e.name||"download";if(!n){e=p(e)}return navigator.msSaveOrOpenBlob(e,t)}}w.abort=function(){};w.readyState=w.INIT=0;w.WRITING=1;w.DONE=2;w.error=w.onwritestart=w.onprogress=w.onwrite=w.onabort=w.onerror=w.onwriteend=null;return m}(typeof self!=="undefined"&&self||typeof window!=="undefined"&&window||this.content);if(typeof module!=="undefined"&&module.exports){module.exports.saveAs=saveAs}else if(typeof define!=="undefined"&&define!==null&&define.amd!==null){define("FileSaver.js",function(){return saveAs})} diff --git a/js/main.js b/js/main.js index a0d0d3f..5207c25 100644 --- a/js/main.js +++ b/js/main.js @@ -468,6 +468,16 @@ E(document).ready(function () { loadHTML(); }); + // save as html file + E('.save').on('click', function () { + var text = '\n\n\n\n\n\n\n' + editorHTML.getValue() + '\n\n\n\n'; + var blob = new Blob([text], { + type: 'text/html; charset=utf-8' + }); + + saveAs(blob, 'editor.html'); + }); + // REFRESH EDITOR // ------------------------------