723 lines
19 KiB
JavaScript
723 lines
19 KiB
JavaScript
/*!
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* HTML5 export buttons for Buttons and DataTables.
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* 2015 SpryMedia Ltd - datatables.net/license
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*
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* FileSaver.js (2015-05-07.2) - MIT license
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* Copyright © 2015 Eli Grey - http://eligrey.com
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*/
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(function($, DataTable) {
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"use strict";
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* FileSaver.js dependency
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*/
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/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
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var _saveAs = (function(view) {
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// IE <10 is explicitly unsupported
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if (typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
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return;
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}
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var
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doc = view.document
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// only get URL when necessary in case Blob.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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, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
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, can_use_save_link = "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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// See https://code.google.com/p/chromium/issues/detail?id=375297#c7 and
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// https://github.com/eligrey/FileSaver.js/commit/485930a#commitcomment-8768047
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// for the reasoning behind the timeout and revocation flow
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, arbitrary_revoke_timeout = 500 // in ms
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, revoke = function(file) {
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var revoker = function() {
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if (typeof file === "string") { // file is an object URL
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get_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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if (view.chrome) {
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revoker();
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} else {
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setTimeout(revoker, arbitrary_revoke_timeout);
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}
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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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, auto_bom = function(blob) {
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// prepend BOM for UTF-8 XML and text/* types (including HTML)
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if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
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return new Blob(["\ufeff", blob], {type: blob.type});
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}
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return blob;
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}
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, FileSaver = function(blob, name) {
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blob = auto_bom(blob);
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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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, 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_URL().createObjectURL(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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var new_tab = view.open(object_url, "_blank");
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if (new_tab === undefined && typeof safari !== "undefined") {
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//Apple do not allow window.open, see http://bit.ly/1kZffRI
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view.location.href = object_url;
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}
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}
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filesaver.readyState = filesaver.DONE;
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dispatch_all();
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revoke(object_url);
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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_URL().createObjectURL(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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revoke(object_url);
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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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// Update: Google errantly closed 91158, I submitted it again:
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// https://code.google.com/p/chromium/issues/detail?id=389642
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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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filesaver.readyState = filesaver.DONE;
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dispatch(filesaver, "writeend", event);
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revoke(file);
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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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// IE 10+ (native saveAs)
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if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
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return function(blob, name) {
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return navigator.msSaveOrOpenBlob(auto_bom(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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return saveAs;
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}(window));
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Local (private) functions
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*/
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/**
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* Get the title / file name for an exported file.
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*
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* @param {object} config Button configuration
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* @param {boolean} incExtension Include the file name extension
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*/
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var _filename = function ( config, incExtension )
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{
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var title = config.title;
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if ( title.indexOf( '*' ) !== -1 ) {
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title = title.replace( '*', $('title').text() );
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}
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// Strip characters which the OS will object to
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title = title.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
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return incExtension === undefined || incExtension === true ?
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title+config.extension :
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title;
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};
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/**
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* Get the newline character(s)
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*
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* @param {object} config Button configuration
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* @return {string} Newline character
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*/
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var _newLine = function ( config )
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{
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return config.newline ?
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config.newline :
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navigator.userAgent.match(/Windows/) ?
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'\r\n' :
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'\n';
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};
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/**
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* Combine the data from the `buttons.exportData` method into a string that
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* will be used in the export file.
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*
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* @param {DataTable.Api} dt DataTables API instance
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* @param {object} config Button configuration
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* @return {object} The data to export
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*/
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var _exportData = function ( dt, config )
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{
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var newLine = _newLine( config );
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var data = dt.buttons.exportData( config.exportOptions );
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var join = function ( a ) {
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var s = '';
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var boundary = config.fieldBoundary;
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var separator = config.fieldSeparator;
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// If there is a field boundary, then we might need to escape it in
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// the source data
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for ( var i=0, ien=a.length ; i<ien ; i++ ) {
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if ( i > 0 ) {
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s += separator;
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}
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s += boundary ?
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boundary + a[i].replace( boundary, '\\'+boundary ) + boundary :
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a[i];
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}
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return s;
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};
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var header = config.header ? join( data.header )+newLine : '';
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var footer = config.footer ? newLine+join( data.footer ) : '';
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var body = [];
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for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
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body.push( join( data.body[i] ) );
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}
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return {
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str: header + body.join( newLine ) + footer,
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rows: body.length
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};
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};
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/**
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* Safari's data: support for creating and downloading files is really poor, so
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* various options need to be disabled in it. See
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* https://bugs.webkit.org/show_bug.cgi?id=102914
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*
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* @return {Boolean} `true` if Safari
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*/
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var _isSafari = function ()
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{
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return navigator.userAgent.indexOf('Safari') !== -1 &&
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navigator.userAgent.indexOf('Chrome') === -1 &&
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navigator.userAgent.indexOf('Opera') === -1;
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};
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// Excel - Pre-defined strings to build a minimal XLSX file
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var excelStrings = {
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"_rels/.rels": '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\
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<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">\
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<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>\
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</Relationships>',
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"xl/_rels/workbook.xml.rels": '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\
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<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">\
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<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>\
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</Relationships>',
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"[Content_Types].xml": '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\
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<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">\
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<Default Extension="xml" ContentType="application/xml"/>\
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<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>\
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<Default Extension="jpeg" ContentType="image/jpeg"/>\
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<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>\
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<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>\
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</Types>',
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"xl/workbook.xml": '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\
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<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">\
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<fileVersion appName="xl" lastEdited="5" lowestEdited="5" rupBuild="24816"/>\
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<workbookPr showInkAnnotation="0" autoCompressPictures="0"/>\
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<bookViews>\
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<workbookView xWindow="0" yWindow="0" windowWidth="25600" windowHeight="19020" tabRatio="500"/>\
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</bookViews>\
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<sheets>\
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<sheet name="Sheet1" sheetId="1" r:id="rId1"/>\
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</sheets>\
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</workbook>',
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"xl/worksheets/sheet1.xml": '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\
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<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac">\
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<sheetData>\
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__DATA__\
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</sheetData>\
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</worksheet>'
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};
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Buttons
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*/
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//
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// Copy to clipboard
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//
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DataTable.ext.buttons.copyHtml5 = {
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className: 'buttons-copy buttons-html5',
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text: function ( dt ) {
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return dt.i18n( 'buttons.copy', 'Copy' );
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},
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action: function ( e, dt, button, config ) {
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// This button is slightly sneaky as there is no HTML API to copy text
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// to a clipboard, so what it does is use the buttons information
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// element with an also completely hidden textarea that contains the
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// data to be copied. That is pre-selected so the user just needs to
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// activate their system clipboard.
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var newLine = _newLine( config );
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var output = _exportData( dt, config ).str;
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var message = $('<span>'+dt.i18n( 'buttons.copyKeys',
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'Press <i>ctrl</i> or <i>\u2318</i> + <i>C</i> to copy the table data<br>to your system clipboard.<br><br>'+
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'To cancel, click this message or press escape.' )+'</span>'
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)
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.append( $('<div/>')
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.css( {
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height: 1,
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width: 1,
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overflow: 'hidden'
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} )
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.append(
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$('<textarea readonly/>').val( output )
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)
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);
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dt.buttons.info( dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ), message, 0 );
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// Select the text so when the user activates their system clipboard
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// it will copy that text
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message.find('textarea')[0].focus();
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message.find('textarea')[0].select();
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// Event to hide the message when the user is done
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var container = $(message).closest('.dt-button-info');
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var close = function () {
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container.off( 'click.buttons-copy' );
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$(document).off( '.buttons-copy' );
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dt.buttons.info( false );
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};
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container.on( 'click.buttons-copy', close );
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$(document)
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.on( 'keydown.buttons-copy', function (e) {
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if ( e.keyCode === 27 ) { // esc
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close();
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}
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} )
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.on( 'copy.buttons-copy cut.buttons-copy', function () {
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close();
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} );
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},
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exportOptions: {},
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fieldSeparator: '\t',
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fieldBoundary: '',
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header: true,
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footer: false
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};
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|
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//
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// CSV export
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//
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DataTable.ext.buttons.csvHtml5 = {
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className: 'buttons-csv buttons-html5',
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available: function () {
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return window.FileReader !== undefined && window.Blob;
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},
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text: function ( dt ) {
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return dt.i18n( 'buttons.csv', 'CSV' );
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},
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action: function ( e, dt, button, config ) {
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// Set the text
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var newLine = _newLine( config );
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var output = _exportData( dt, config ).str;
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_saveAs(
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new Blob( [output], {type : 'text/csv'} ),
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_filename( config )
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);
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},
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title: '*',
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extension: '.csv',
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exportOptions: {},
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fieldSeparator: ',',
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fieldBoundary: '"',
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header: true,
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footer: false
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};
|
|
|
|
//
|
|
// Excel (xlsx) export
|
|
//
|
|
DataTable.ext.buttons.excelHtml5 = {
|
|
className: 'buttons-excel buttons-html5',
|
|
|
|
available: function () {
|
|
return window.FileReader !== undefined && window.JSZip !== undefined && ! _isSafari();
|
|
},
|
|
|
|
text: function ( dt ) {
|
|
return dt.i18n( 'buttons.excel', 'Excel' );
|
|
},
|
|
|
|
action: function ( e, dt, button, config ) {
|
|
// Set the text
|
|
var xml = '';
|
|
var data = dt.buttons.exportData( config.exportOptions );
|
|
var addRow = function ( row ) {
|
|
var cells = [];
|
|
|
|
for ( var i=0, ien=row.length ; i<ien ; i++ ) {
|
|
cells.push( $.isNumeric( row[i] ) ?
|
|
'<c t="n"><v>'+row[i]+'</v></c>' :
|
|
'<c t="inlineStr"><is><t>'+
|
|
row[i].replace(/&(?!amp;)/g, '&')+
|
|
'</t></is></c>'
|
|
);
|
|
}
|
|
|
|
return '<row>'+cells.join('')+'</row>';
|
|
};
|
|
|
|
if ( config.header ) {
|
|
xml += addRow( data.header );
|
|
}
|
|
|
|
for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
|
|
xml += addRow( data.body[i] );
|
|
}
|
|
|
|
if ( config.footer ) {
|
|
xml += addRow( data.footer );
|
|
}
|
|
|
|
var zip = new window.JSZip();
|
|
var _rels = zip.folder("_rels");
|
|
var xl = zip.folder("xl");
|
|
var xl_rels = zip.folder("xl/_rels");
|
|
var xl_worksheets = zip.folder("xl/worksheets");
|
|
|
|
zip.file( '[Content_Types].xml', excelStrings['[Content_Types].xml'] );
|
|
_rels.file( '.rels', excelStrings['_rels/.rels'] );
|
|
xl.file( 'workbook.xml', excelStrings['xl/workbook.xml'] );
|
|
xl_rels.file( 'workbook.xml.rels', excelStrings['xl/_rels/workbook.xml.rels'] );
|
|
xl_worksheets.file( 'sheet1.xml', excelStrings['xl/worksheets/sheet1.xml'].replace( '__DATA__', xml ) );
|
|
|
|
_saveAs(
|
|
zip.generate( {type:"blob"} ),
|
|
_filename( config )
|
|
);
|
|
},
|
|
|
|
title: '*',
|
|
|
|
extension: '.xlsx',
|
|
|
|
exportOptions: {},
|
|
|
|
header: true,
|
|
|
|
footer: false
|
|
};
|
|
|
|
//
|
|
// PDF export - using pdfMake - http://pdfmake.org
|
|
//
|
|
DataTable.ext.buttons.pdfHtml5 = {
|
|
className: 'buttons-pdf buttons-html5',
|
|
|
|
available: function () {
|
|
return window.FileReader !== undefined && window.pdfMake;
|
|
},
|
|
|
|
text: function ( dt ) {
|
|
return dt.i18n( 'buttons.pdf', 'PDF' );
|
|
},
|
|
|
|
action: function ( e, dt, button, config ) {
|
|
var newLine = _newLine( config );
|
|
var data = dt.buttons.exportData( config.exportOptions );
|
|
var rows = [];
|
|
|
|
if ( config.header ) {
|
|
rows.push( $.map( data.header, function ( d ) {
|
|
return {
|
|
text: d,
|
|
style: 'tableHeader'
|
|
};
|
|
} ) );
|
|
}
|
|
|
|
for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
|
|
rows.push( $.map( data.body[i], function ( d ) {
|
|
return {
|
|
text: d,
|
|
style: i % 2 ? 'tableBodyEven' : 'tableBodyOdd'
|
|
};
|
|
} ) );
|
|
}
|
|
|
|
if ( config.footer ) {
|
|
rows.push( $.map( data.footer, function ( d ) {
|
|
return {
|
|
text: d,
|
|
style: 'tableFooter'
|
|
};
|
|
} ) );
|
|
}
|
|
|
|
var doc = {
|
|
pageSize: config.pageSize,
|
|
pageOrientation: config.orientation,
|
|
content: [
|
|
{
|
|
table: {
|
|
headerRows: 1,
|
|
body: rows
|
|
},
|
|
layout: 'noBorders'
|
|
}
|
|
],
|
|
styles: {
|
|
tableHeader: {
|
|
bold: true,
|
|
fontSize: 11,
|
|
color: 'white',
|
|
fillColor: '#2d4154',
|
|
alignment: 'center'
|
|
},
|
|
tableBodyEven: {},
|
|
tableBodyOdd: {
|
|
fillColor: '#f3f3f3'
|
|
},
|
|
tableFooter: {
|
|
bold: true,
|
|
fontSize: 11,
|
|
color: 'white',
|
|
fillColor: '#2d4154'
|
|
},
|
|
title: {
|
|
alignment: 'center',
|
|
fontSize: 15
|
|
},
|
|
message: {}
|
|
},
|
|
defaultStyle: {
|
|
fontSize: 10
|
|
}
|
|
};
|
|
|
|
if ( config.message ) {
|
|
doc.content.unshift( {
|
|
text: config.message,
|
|
style: 'message',
|
|
margin: [ 0, 0, 0, 12 ]
|
|
} );
|
|
}
|
|
|
|
if ( config.title ) {
|
|
doc.content.unshift( {
|
|
text: _filename( config, false ),
|
|
style: 'title',
|
|
margin: [ 0, 0, 0, 12 ]
|
|
} );
|
|
}
|
|
|
|
if ( config.customize ) {
|
|
config.customize( doc );
|
|
}
|
|
|
|
var pdf = window.pdfMake.createPdf( doc );
|
|
|
|
if ( config.download === 'open' && ! _isSafari() ) {
|
|
pdf.open();
|
|
}
|
|
else {
|
|
pdf.getBuffer( function (buffer) {
|
|
var blob = new Blob( [buffer], {type:'application/pdf'} );
|
|
|
|
_saveAs( blob, _filename( config ) );
|
|
} );
|
|
}
|
|
},
|
|
|
|
title: '*',
|
|
|
|
extension: '.pdf',
|
|
|
|
exportOptions: {},
|
|
|
|
orientation: 'portrait',
|
|
|
|
pageSize: 'A4',
|
|
|
|
header: true,
|
|
|
|
footer: false,
|
|
|
|
message: null,
|
|
|
|
customize: null,
|
|
|
|
download: 'download'
|
|
};
|
|
|
|
|
|
})(jQuery, jQuery.fn.dataTable);
|