Output files can now be downloaded using FileSaver (supports large files ~500MB)

feature-extract-files
n1474335 2017-12-26 01:32:51 +00:00
parent af71ca6a25
commit ff94172b3c
6 changed files with 952 additions and 18 deletions

917
package-lock.json generated
View File

@ -1407,6 +1407,7 @@
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@ -3118,6 +3119,11 @@
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@ -3308,6 +3314,910 @@
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@ -5524,6 +6434,13 @@
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View File

@ -78,6 +78,7 @@
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"esprima": "^4.0.0",
"exif-parser": "^0.1.12",
"file-saver": "^1.3.3",
"google-code-prettify": "^1.0.5",
"jquery": "^3.2.1",
"js-crc": "^0.2.0",

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@ -239,6 +239,7 @@ InputWaiter.prototype.closeFile = function() {
*/
InputWaiter.prototype.clearIoClick = function() {
this.closeFile();
this.manager.output.closeFile();
this.manager.highlighter.removeHighlights();
document.getElementById("input-text").value = "";
document.getElementById("output-text").value = "";
@ -246,7 +247,6 @@ InputWaiter.prototype.clearIoClick = function() {
document.getElementById("output-info").innerHTML = "";
document.getElementById("input-selection-info").innerHTML = "";
document.getElementById("output-selection-info").innerHTML = "";
document.getElementById("output-file").style.display = "none";
window.dispatchEvent(this.manager.statechange);
};

View File

@ -158,6 +158,7 @@ Manager.prototype.initialiseEventListeners = function() {
this.addMultiEventListener("#output-text", "mousedown dblclick select", this.highlighter.outputMousedown, this.highlighter);
this.addMultiEventListener("#output-html", "mousedown dblclick select", this.highlighter.outputHtmlMousedown, this.highlighter);
this.addDynamicListener(".file-switch", "click", this.output.fileSwitch, this.output);
this.addDynamicListener("#output-file-download", "click", this.output.downloadFile, this.output);
// Options
document.getElementById("options").addEventListener("click", this.options.optionsClick.bind(this.options));

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@ -1,4 +1,5 @@
import Utils from "../core/Utils.js";
import FileSaver from "file-saver";
/**
@ -15,6 +16,8 @@ import Utils from "../core/Utils.js";
const OutputWaiter = function(app, manager) {
this.app = app;
this.manager = manager;
this.file = null;
};
@ -43,6 +46,8 @@ OutputWaiter.prototype.set = function(data, type, duration) {
const inputHighlighter = document.getElementById("input-highlighter");
let scriptElements, lines, length;
this.closeFile();
switch (type) {
case "html":
outputText.style.display = "none";
@ -104,6 +109,8 @@ OutputWaiter.prototype.set = function(data, type, duration) {
* @param {File} file
*/
OutputWaiter.prototype.setFile = function(file) {
this.file = file;
// Display file overlay in output area with details
const fileOverlay = document.getElementById("output-file"),
fileSize = document.getElementById("output-file-size");
@ -113,6 +120,25 @@ OutputWaiter.prototype.setFile = function(file) {
};
/**
* Removes the output file and nulls its memory.
*/
OutputWaiter.prototype.closeFile = function() {
this.file = null;
document.getElementById("output-file").style.display = "none";
};
/**
* Handler for file download events.
*/
OutputWaiter.prototype.downloadFile = function() {
const filename = window.prompt("Please enter a filename:", "download.dat");
if (filename) FileSaver.saveAs(this.file, filename, false);
};
/**
* Displays information about the output.
*
@ -169,24 +195,13 @@ OutputWaiter.prototype.adjustWidth = function() {
/**
* Handler for save click events.
* Saves the current output to a file, downloaded as a URL octet stream.
* Saves the current output to a file.
*/
OutputWaiter.prototype.saveClick = function() {
const data = Utils.toBase64(this.app.dishStr);
const filename = window.prompt("Please enter a filename:", "download.dat");
if (filename) {
const el = document.createElement("a");
el.setAttribute("href", "data:application/octet-stream;base64;charset=utf-8," + data);
el.setAttribute("download", filename);
// Firefox requires that the element be added to the DOM before it can be clicked
el.style.display = "none";
document.body.appendChild(el);
el.click();
el.remove();
if (!this.file) {
this.file = new File([new Uint8Array(Utils.strToCharcode(this.app.dishStr))], "");
}
this.downloadFile();
};
@ -250,7 +265,7 @@ OutputWaiter.prototype.undoSwitchClick = function() {
/**
* Handler for file switch click events.
* Moves a files data for items created via Utils.displayFilesAsHTML to the input.
* Moves a file's data for items created via Utils.displayFilesAsHTML to the input.
*/
OutputWaiter.prototype.fileSwitch = function(e) {
e.preventDefault();

View File

@ -222,7 +222,7 @@
<img aria-hidden="true" src="<%- require('../static/images/cyberchef-256x256.png') %>" alt="File icon"/>
<div class="card-body">
Size: <span id="output-file-size"></span><br>
Download<br>
<button id="output-file-download" type="button" class="btn btn-primary btn-sm">Download</button><br>
Display in output<br>
Options for how much to display
</div>