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// Copyright (c) 2016, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
"use strict";
var $ = require('jquery');
var _ = require('underscore');
var saveAs = require('filesaver');
var Alert = require('./alert');
var local = require('./local');
var Promise = require('es6-promise').Promise;
function getLocalFiles() {
return JSON.parse(local.get('files', "{}"));
}
function setLocalFile(name, file) {
var files = getLocalFiles();
files[name] = file;
local.set('files', JSON.stringify(files));
}
function LoadSave() {
this.modal = $('#load-save');
this.alert = new Alert();
this.onLoad = _.identity;
this.editorText = '';
this.extension = '.txt';
this.modal.find('.local-file').change(_.bind(this.onLocalFile, this));
this.modal.find('.save-button').click(_.bind(this.onSaveToBrowserStorage, this));
this.modal.find('.save-file').click(_.bind(this.onSaveToFile, this));
this.fetchBuiltins();
}
LoadSave.prototype.fetchBuiltins = function () {
return new Promise(_.bind(function (resolve) {
$.getJSON('source/builtin/list', function (list) {
resolve(list);
});
}, this));
};
LoadSave.prototype.populateBuiltins = function () {
var isVisible = _.bind(function (entry) {
return this.currentLanguage && this.currentLanguage.id === entry.lang;
}, this);
return this.fetchBuiltins()
.then(_.bind(function (builtins) {
this.populate(this.modal.find('.examples'),
_.map(_.filter(builtins, isVisible), _.bind(function (elem) {
return {
name: elem.name,
load: _.bind(function () {
this.doLoad(elem);
}, this)
};
}, this))
);
}, this));
};
LoadSave.prototype.populateLocalStorage = function () {
this.populate(
this.modal.find('.local-storage'),
_.map(getLocalFiles(), _.bind(function (data, name) {
return {
name: name,
load: _.bind(function () {
this.onLoad(data);
this.modal.modal('hide');
}, this)
};
}, this)));
};
LoadSave.prototype.populate = function (root, list) {
root.find('li:not(.template)').remove();
var template = root.find('.template');
_.each(list, _.bind(function (elem) {
template
.clone()
.removeClass('template')
.appendTo(root)
.find('a')
.text(elem.name)
.click(elem.load);
}, this));
};
LoadSave.prototype.onLocalFile = function (event) {
var files = event.target.files;
var file = files[0];
var reader = new FileReader();
reader.onload = _.bind(function () {
this.onLoad(reader.result);
}, this);
reader.readAsText(file);
this.modal.modal('hide');
};
LoadSave.prototype.run = function (onLoad, editorText, currentLanguage) {
this.populateLocalStorage();
this.onLoad = onLoad;
this.editorText = editorText;
// In case we don't send anything...
this.currentLanguage = currentLanguage;
this.extension = currentLanguage.extensions[0] || '.txt';
this.modal.find('.local-file').attr('accept', _.map(currentLanguage.extensions, function (extension) {
return extension + ', ';
}, this));
this.populateBuiltins().then(_.bind(function () {
this.modal.modal();
}, this));
};
LoadSave.prototype.onSaveToBrowserStorage = function () {
var name = this.modal.find('.save-name').val();
if (!name) {
this.alert.alert("Save name", "Invalid save name");
return;
}
name += " (" + this.currentLanguage.name + ")";
var done = _.bind(function () {
setLocalFile(name, this.editorText);
}, this);
if (getLocalFiles()[name] !== undefined) {
this.modal.modal('hide');
this.alert.ask(
"Replace current?",
"Do you want to replace the existing saved file '" + name + "'?",
{yes: done});
} else {
done();
this.modal.modal('hide');
}
};
LoadSave.prototype.onSaveToFile = function () {
try {
saveAs(new Blob(
[this.editorText],
{type: "text/plain;charset=utf-8"}),
"Compiler Explorer Code" + this.extension);
} catch (e) {
this.alert.notify('Error while saving your code. Use the clipboard instead.', {
group: "savelocalerror",
alertClass: "notification-error",
dismissTime: 5000
});
}
};
LoadSave.prototype.doLoad = function (element) {
// TODO: handle errors. consider promises...
$.getJSON('source/builtin/load/' + element.lang + '/' + element.file,
_.bind(function (response) {
this.onLoad(response.file);
}, this));
this.modal.modal('hide');
};
module.exports = {LoadSave: LoadSave};