Add demo
This commit is contained in:
Travis
@@ -0,0 +1,8 @@
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<!DOCTYPE html>
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<head>
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<script type="text/javascript" async="" src="vcs-maker.js"></script>
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</head>
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<body>
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<a href="javascript:download_vcs('demo', 'Demo Event', 'This is an awesome demo event', 'Sexy Land, AK', '8/7/2013', '8/9/2013')">Demo</a>
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</body>
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</html>
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@@ -0,0 +1,412 @@
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// FileSaver.js
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var BlobBuilder = BlobBuilder || self.WebKitBlobBuilder || self.MozBlobBuilder || self.MSBlobBuilder || (function(view) {
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if (navigator.userAgent.indexOf('MSIE') > -1 && navigator.userAgent.indexOf('MSIE 10') == -1) {
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console.log('Unsupported Browser');
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return;
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};
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"use strict";
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var get_class = function(object) {
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return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
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}
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, FakeBlobBuilder = function(){
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this.data = [];
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}
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, FakeBlob = function(data, type, encoding) {
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this.data = data;
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this.size = data.length;
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this.type = type;
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this.encoding = encoding;
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}
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, FBB_proto = FakeBlobBuilder.prototype
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, FB_proto = FakeBlob.prototype
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, FileReaderSync = view.FileReaderSync
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, FileException = function(type) {
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this.code = this[this.name = type];
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}
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, file_ex_codes = (
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"NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
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+ "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
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).split(" ")
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, file_ex_code = file_ex_codes.length
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, real_URL = view.URL || view.webkitURL || view
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, real_create_object_URL = real_URL.createObjectURL
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, real_revoke_object_URL = real_URL.revokeObjectURL
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, URL = real_URL
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, btoa = view.btoa
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, atob = view.atob
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, can_apply_typed_arrays = false
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, can_apply_typed_arrays_test = function(pass) {
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can_apply_typed_arrays = !pass;
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}
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, ArrayBuffer = view.ArrayBuffer
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, Uint8Array = view.Uint8Array
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;
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FakeBlobBuilder.fake = FB_proto.fake = true;
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while (file_ex_code--) {
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FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
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}
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try {
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if (Uint8Array) {
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can_apply_typed_arrays_test.apply(0, new Uint8Array(1));
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}
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} catch (ex) {}
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if (!real_URL.createObjectURL) {
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URL = view.URL = {};
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}
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URL.createObjectURL = function(blob) {
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var
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type = blob.type
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, data_URI_header
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;
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if (type === null) {
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type = "application/octet-stream";
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}
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if (blob instanceof FakeBlob) {
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data_URI_header = "data:" + type;
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if (blob.encoding === "base64") {
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return data_URI_header + ";base64," + blob.data;
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} else if (blob.encoding === "URI") {
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return data_URI_header + "," + decodeURIComponent(blob.data);
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} if (btoa) {
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return data_URI_header + ";base64," + btoa(blob.data);
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} else {
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return data_URI_header + "," + encodeURIComponent(blob.data);
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}
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} else if (real_create_object_URL) {
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return real_create_object_URL.call(real_URL, blob);
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}
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};
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URL.revokeObjectURL = function(object_URL) {
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if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
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real_revoke_object_URL.call(real_URL, object_URL);
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}
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};
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FBB_proto.append = function(data/*, endings*/) {
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var bb = this.data;
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// decode data to a binary string
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if (Uint8Array && data instanceof ArrayBuffer) {
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if (can_apply_typed_arrays) {
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bb.push(String.fromCharCode.apply(String, new Uint8Array(data)));
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} else {
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var
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str = ""
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, buf = new Uint8Array(data)
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, i = 0
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, buf_len = buf.length
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;
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for (; i < buf_len; i++) {
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str += String.fromCharCode(buf[i]);
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}
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}
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} else if (get_class(data) === "Blob" || get_class(data) === "File") {
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if (FileReaderSync) {
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var fr = new FileReaderSync;
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bb.push(fr.readAsBinaryString(data));
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} else {
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// async FileReader won't work as BlobBuilder is sync
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throw new FileException("NOT_READABLE_ERR");
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}
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} else if (data instanceof FakeBlob) {
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if (data.encoding === "base64" && atob) {
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bb.push(atob(data.data));
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} else if (data.encoding === "URI") {
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bb.push(decodeURIComponent(data.data));
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} else if (data.encoding === "raw") {
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bb.push(data.data);
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}
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} else {
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if (typeof data !== "string") {
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data += ""; // convert unsupported types to strings
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}
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// decode UTF-16 to binary string
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bb.push(unescape(encodeURIComponent(data)));
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}
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};
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FBB_proto.getBlob = function(type) {
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if (!arguments.length) {
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type = null;
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}
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return new FakeBlob(this.data.join(""), type, "raw");
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};
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FBB_proto.toString = function() {
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return "[object BlobBuilder]";
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};
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FB_proto.slice = function(start, end, type) {
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var args = arguments.length;
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if (args < 3) {
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type = null;
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}
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return new FakeBlob(
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this.data.slice(start, args > 1 ? end : this.data.length)
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, type
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, this.encoding
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);
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};
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FB_proto.toString = function() {
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return "[object Blob]";
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};
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return FakeBlobBuilder;
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}(self));
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// Blob.js
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var saveAs = saveAs
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|| (navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
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|| (function(view) {
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if (navigator.userAgent.indexOf('MSIE') != -1 && navigator.userAgent.indexOf('MSIE 10') == -1) {
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console.log('Unsupported Browser');
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return;
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};
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"use strict";
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var
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doc = view.document
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// only get URL when necessary in case BlobBuilder.js hasn't overridden it yet
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, get_URL = function() {
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return view.URL || view.webkitURL || view;
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}
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, URL = view.URL || view.webkitURL || view
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, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
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, can_use_save_link = !view.externalHost && "download" in save_link
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, click = function(node) {
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var event = doc.createEvent("MouseEvents");
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event.initMouseEvent(
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"click", true, false, view, 0, 0, 0, 0, 0
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, false, false, false, false, 0, null
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);
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node.dispatchEvent(event);
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}
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, webkit_req_fs = view.webkitRequestFileSystem
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, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
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, throw_outside = function (ex) {
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(view.setImmediate || view.setTimeout)(function() {
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throw ex;
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}, 0);
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}
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, force_saveable_type = "application/octet-stream"
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, fs_min_size = 0
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, deletion_queue = []
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, process_deletion_queue = function() {
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var i = deletion_queue.length;
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while (i--) {
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var file = deletion_queue[i];
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if (typeof file === "string") { // file is an object URL
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URL.revokeObjectURL(file);
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} else { // file is a File
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file.remove();
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}
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}
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deletion_queue.length = 0; // clear queue
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}
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, dispatch = function(filesaver, event_types, event) {
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event_types = [].concat(event_types);
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var i = event_types.length;
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while (i--) {
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var listener = filesaver["on" + event_types[i]];
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if (typeof listener === "function") {
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try {
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listener.call(filesaver, event || filesaver);
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} catch (ex) {
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throw_outside(ex);
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}
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}
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}
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}
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, FileSaver = function(blob, name) {
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// First try a.download, then web filesystem, then object URLs
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var
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filesaver = this
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, type = blob.type
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, blob_changed = false
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, object_url
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, target_view
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, get_object_url = function() {
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var object_url = get_URL().createObjectURL(blob);
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deletion_queue.push(object_url);
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return object_url;
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}
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, dispatch_all = function() {
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dispatch(filesaver, "writestart progress write writeend".split(" "));
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}
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// on any filesys errors revert to saving with object URLs
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, fs_error = function() {
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// don't create more object URLs than needed
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if (blob_changed || !object_url) {
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object_url = get_object_url(blob);
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}
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if (target_view) {
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target_view.location.href = object_url;
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} else {
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window.open(object_url, "_blank");
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}
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filesaver.readyState = filesaver.DONE;
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dispatch_all();
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}
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, abortable = function(func) {
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return function() {
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if (filesaver.readyState !== filesaver.DONE) {
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return func.apply(this, arguments);
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}
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};
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}
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, create_if_not_found = {create: true, exclusive: false}
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, slice
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;
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filesaver.readyState = filesaver.INIT;
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if (!name) {
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name = "download";
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}
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if (can_use_save_link) {
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object_url = get_object_url(blob);
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save_link.href = object_url;
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save_link.download = name;
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click(save_link);
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filesaver.readyState = filesaver.DONE;
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dispatch_all();
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return;
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}
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// Object and web filesystem URLs have a problem saving in Google Chrome when
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// viewed in a tab, so I force save with application/octet-stream
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// http://code.google.com/p/chromium/issues/detail?id=91158
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if (view.chrome && type && type !== force_saveable_type) {
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slice = blob.slice || blob.webkitSlice;
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blob = slice.call(blob, 0, blob.size, force_saveable_type);
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blob_changed = true;
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}
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// Since I can't be sure that the guessed media type will trigger a download
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// in WebKit, I append .download to the filename.
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// https://bugs.webkit.org/show_bug.cgi?id=65440
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if (webkit_req_fs && name !== "download") {
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name += ".download";
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}
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if (type === force_saveable_type || webkit_req_fs) {
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target_view = view;
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}
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if (!req_fs) {
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fs_error();
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return;
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}
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fs_min_size += blob.size;
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req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
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fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
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var save = function() {
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dir.getFile(name, create_if_not_found, abortable(function(file) {
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file.createWriter(abortable(function(writer) {
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writer.onwriteend = function(event) {
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target_view.location.href = file.toURL();
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deletion_queue.push(file);
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filesaver.readyState = filesaver.DONE;
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dispatch(filesaver, "writeend", event);
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};
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writer.onerror = function() {
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var error = writer.error;
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if (error.code !== error.ABORT_ERR) {
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fs_error();
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}
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};
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"writestart progress write abort".split(" ").forEach(function(event) {
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writer["on" + event] = filesaver["on" + event];
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});
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writer.write(blob);
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filesaver.abort = function() {
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writer.abort();
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filesaver.readyState = filesaver.DONE;
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};
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filesaver.readyState = filesaver.WRITING;
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}), fs_error);
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}), fs_error);
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};
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dir.getFile(name, {create: false}, abortable(function(file) {
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// delete file if it already exists
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file.remove();
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save();
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}), abortable(function(ex) {
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if (ex.code === ex.NOT_FOUND_ERR) {
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save();
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} else {
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fs_error();
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}
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}));
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}), fs_error);
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}), fs_error);
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}
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, FS_proto = FileSaver.prototype
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, saveAs = function(blob, name) {
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return new FileSaver(blob, name);
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}
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;
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FS_proto.abort = function() {
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var filesaver = this;
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filesaver.readyState = filesaver.DONE;
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dispatch(filesaver, "abort");
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};
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FS_proto.readyState = FS_proto.INIT = 0;
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FS_proto.WRITING = 1;
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FS_proto.DONE = 2;
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FS_proto.error =
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FS_proto.onwritestart =
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FS_proto.onprogress =
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FS_proto.onwrite =
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FS_proto.onabort =
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FS_proto.onerror =
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FS_proto.onwriteend =
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null;
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view.addEventListener("unload", process_deletion_queue, false);
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return saveAs;
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}(self));
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/* The meat and potatoes! */
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download_vcs = function(filename, subject, description, location, begin, end) {
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if (navigator.userAgent.indexOf('MSIE') > -1 && navigator.userAgent.indexOf('MSIE 10') == -1) {
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console.log('Unsupported Browser');
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return;
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};
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var subject = subject;
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var description = description;
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var address = location;
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var start_date = new Date(begin);
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var end_date = new Date(end);
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var start_year = ("0000" + (start_date.getFullYear().toString())).slice(-4);
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var start_month = ("00" + (start_date.getMonth().toString())).slice(-2);
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var start_day = ("00" + (start_date.getDate().toString())).slice(-2);
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var start = start_year + start_month + start_day;
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var end_year = ("0000" + (end_date.getFullYear().toString())).slice(-4);
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var end_month = ("00" + (end_date.getMonth().toString())).slice(-2);
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var end_day = ("00" + ((end_date.getDate()+1).toString())).slice(-2);
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var end = end_year + end_month + end_day;
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var calendar = [
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"BEGIN:VCALENDAR",
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"VERSION:2.0",
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"BEGIN:VEVENT",
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"CLASS:PUBLIC",
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"DESCRIPTION:"+description,
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"DTSTART;VALUE=DATE:"+start,
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"DTEND;VALUE=DATE:"+end,
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"LOCATION:"+address,
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"SUMMARY;LANGUAGE=en-us:"+subject,
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"TRANSP:TRANSPARENT",
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"END:VEVENT",
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"END:VCALENDAR"
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].join('\n');
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if (navigator.userAgent.indexOf('MSIE 10') > -1) { // chrome or firefox
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var blob = new Blob([calendar]);
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}
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else { // ie
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var bb = new BlobBuilder();
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bb.append(calendar);
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var blob = bb.getBlob("text/x-vCalendar;charset=" + document.characterSet);
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}
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saveAs(blob, filename+".vcs");
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}
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