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const bib = (function () {
var entries = readBibtex();
if (!entries || Object.keys(entries).length === 0) {
if (!electron) {
entries = generatedBibEntries;
} else {
console.error('Could not load bibliography: unknown reason. Please check if file is UTF8 encoded.');
}
}
return {
entries: entries,
availablePdf: electron ? [] : availablePdf,
availableImg: electron ? [] : availableImg,
stopwords: userDefinedStopwords,
tagCategories: electron ? generateTagCategoriesFromKeywords(entries) : userDefinedTagCategories,
authorizedTags: userDefinedAuthorizedTags,
entryDivs: {},
warnings: warnings.computeAllWarnings(entries),
nVisibleEntries: 20,
downloadBibtex: function () {
var blob = new Blob([this.createAllBibtex(true)]);
window.saveAs(blob, 'references.bib');
},
createBibtex: function (id, entry) {
var bibtex = '@' + entry['type'] + '{' + id;
for (var fieldName in entry) {
if (fieldName == 'type' || isFieldForbidden(fieldName)) {
continue;
}
if (entry.hasOwnProperty(fieldName)) {
bibtex += ",\n " + fieldName + " = {" + entry[fieldName] + "}";
}
}
if (typeof mandatoryFields != 'undefined' && mandatoryFields) {
for (var i in mandatoryFields[entry["type"]]) {
if (!entry.hasOwnProperty(mandatoryFields[entry["type"]][i])) {
bibtex += ",\n " + mandatoryFields[entry["type"]][i] + " = {}";
}
}
}
return bibtex + "\n}";
},
createCitation: function (id) {
var bib = this;
var citation = '';
if (bib.parsedEntries[id]['author']) {
$.each(bib.parsedEntries[id]['author'], function (i, author) {
var authorSplit = author.split(', ');
if (authorSplit.length == 2) {
author = authorSplit[0] + ', ' + authorSplit[1].replace(/[^a-z -]/gi, '').replace(/\B\w*/g, '.').replace(/([A-Z])($|([ -]))/g, '$1.$3');
}
if (i == bib.parsedEntries[id]['author'].length - 1 && i > 0) {
citation += 'and ';
}
citation += latexUtil.latexToHtml(author);
if (bib.parsedEntries[id]['author'].length > 2 || i > 0) {
citation += ', ';
} else {
citation += ' ';
}
});
}
var year = bib.entries[id]['year'];
if (year) {
citation += year + '. ';
}
if (title = bib.entries[id]['title']) {
citation += latexUtil.latexToHtml(title) + '. ';
}
var journal = bib.entries[id]['journal'];
var pages = bib.entries[id]['pages'];
if (journal) {
citation += 'In <i>' + latexUtil.latexToHtml(journal) + '</i>';
var volume = bib.entries[id]['volume'];
if (volume) {
citation += ' (Vol. ' + latexUtil.latexToHtml(volume);
var number = bib.entries[id]['number'];
if (number) {
citation += ', No. ' + latexUtil.latexToHtml(number);
}
if (pages) {
citation += ', pp. ' + latexUtil.latexToHtml(pages);
}
citation += ')';
}
citation += '. ';
}
var booktitle = bib.entries[id]['booktitle'];
if (booktitle) {
citation += 'In <i>' + latexUtil.latexToHtml(booktitle) + '</i>';
if (pages) {
citation += ' (pp. ' + latexUtil.latexToHtml(pages) + ')';
}
citation += '. ';
}
var doi = bib.entries[id]['doi'];
var url = bib.entries[id]['url'];
if (doi) {
citation += 'DOI: <a href="http://dx.doi.org/' + doi + '">' + doi + '</a>. ';
} else if (url) {
citation += 'URL: <a href="' + url + '">' + url + '</a>. ';
}
return citation.trim();
},
createAllBibtex: function (filtered) {
var bib = this;
var bibtexString = '';
const selectedEntries = filtered ? bib.filteredEntries : bib.entries;
$.each(selectedEntries, function (id, entry) {
var currentBibtex = "";
if (bib.entryDivs[id]) {
bib.entryDivs[id].find(".CodeMirror-code").children().each(function () {
currentBibtex += $(this).text() + "\n";
});
}
if (!currentBibtex) {
currentBibtex = bib.createBibtex(id, entry);
}
bibtexString += currentBibtex;
bibtexString += "\n\n";
});
return bibtexString;
},
saveBibToFile: function () {
require('electron').remote.getGlobal('sharedObject').bibData = this.createAllBibtex(false);
const ipc = require('electron').ipcRenderer;
ipc.send('saveFile');
page.notify('File saved.');
},
saveBibToLocalStorage: function () {
if (editable) {
localStorage.bibtexString = this.createAllBibtex(false);
}
},
addEntries: function () {
var bib = this;
var addEntriesDiv = $('<div>', {
id: 'add_entries',
title: 'Add entries',
text: 'Paste one or more BibTeX entries:'
}).appendTo($('body'));
var bibtexEditor = CodeMirror(addEntriesDiv.get(0), {
lineWrapping: true
});
var bibtexStatusDiv = $('<div>', {
class: 'bibtex_status'
}).appendTo(addEntriesDiv);
bibtexEditor.on('change', function (bibtexEditor) {
bibtexStatusDiv.empty();
var addButton = $('.add_entry_button');
var addButtonTextDiv = addButton.find('.ui-button-text');
try {
var bibtexText = bibtexEditor.getValue();
var bibtexEntries = bib.parse(bibtexText);
var nEntries = Object.keys(bibtexEntries).length;
if (nEntries > 0) {
addButtonTextDiv.text(
'add (' + nEntries + (nEntries > 1 ? ' entries)' : ' entry)')
);
addButton.button('enable');
} else {
addButtonTextDiv.text('add');
addButton.button('disable');
}
}
catch (err) {
$('<div>', {
text: err,
class: 'error'
}).appendTo(bibtexStatusDiv);
addButton.button('disable');
}
});
addEntriesDiv.dialog({
minWidth: 832,
modal: true,
buttons: {
'Add': {
text: 'add',
class: 'add_entry_button',
disabled: true,
click: function () {
var bibtexText = bibtexEditor.getValue();
addEntriesDiv.dialog('close');
if (bibtexText != null) {
var bibtexEntries = bib.parse(bibtexText);
for (var entryKey in bibtexEntries) {
var bibtexEntry = bibtexEntries[entryKey];
if (bib.entries[entryKey]) {
page.notify('Entry with ID "' + entryKey + '" already exists and cannot be added to the database.');
} else {
bib.entries[entryKey] = {};
for (var key in bibtexEntry) {
var keyLower = key.toLowerCase();
bib.entries[entryKey][keyLower] = bibtexEntry[key];
}
var mandatoryFields = ['author', 'year', 'title'];
$.each(mandatoryFields, function (i, field) {
if (!bib.entries[entryKey][field]) {
bib.entries[entryKey][field] = '';
}
});
bib.warnings[entryKey] = warnings.computeWarnings(bib.entries[entryKey]);
}
}
}
if (Object.keys(bibtexEntries).length == 1) {
selectors.toggleSelector('search', Object.keys(bibtexEntries)[0]);
}
update();
}
},
cancel: function () {
$(this).dialog("close");
}
}
});
bibtexEditor.focus();
},
parse: function (bibtexText) {
var bibParser = new BibtexParser();
bibParser.setInput(bibtexText);
bibParser.bibtex();
return bibParser.getEntries();
},
renameKeyword: function () {
var bib = this;
const renameDiv = $('<div>', {
id: 'rename',
title: "Rename keyword"
});
$(`<div>Please enter the keyword that should be renamed, followed by "->" and one or
more comma-separated new names of the keyword.'</div>`)
.appendTo(renameDiv);
const renameForm = $(`
<form id="rename_form">
<input type="text" id="rename_query" value="keyword_old->keyword_new, keyword_new2">
<input type="submit" value="rename">
</form>`)
.appendTo(renameDiv);
renameForm.submit(function (event) {
event.preventDefault();
const renameQuery = $('#rename_query').val();
console.log(renameQuery);
if (renameQuery.indexOf("->") < 0) {
page.notify('Wrong format of rename query: please use "->" ' +
'to separate the old from the new name of the keyword.', 'error');
return;
}
var keywords = $.map(renameQuery.split('->'), $.trim);
if (!keywords[0]) {
page.notify('Wrong format of rename query: please specify the keyword you want to rename.', 'error');
return;
}
if (!keywords[1]) {
page.notify('Wrong format of rename query: please specify the new name of the keyword.', 'error');
return;
}
var newKeywords = $.map(keywords[1].split(','), $.trim);
var renameCount = 0;
$.each(bib.filteredEntries, function (id, entry) {
var keywordPos = $.inArray(keywords[0], bib.parsedEntries[id]['keywords']);
if (keywordPos >= 0) {
renameCount++;
var keywordList = [].concat(newKeywords);
var keywordListParsed = [].concat(newKeywords);
$.each(bib.parsedEntries[id]['keywords'], function (i, keyword) {
if (!(keyword === keywords[0]) && $.inArray(keyword, newKeywords) < 0) {
keywordListParsed.push(keyword);
if (keyword.indexOf('?') < 0) {
keywordList.push(keyword);
}
}
});
bib.entries[id]['keywords'] = keywordList.join(', ');
bib.parsedEntries[id]['keywords'] = keywordListParsed;
}
});
page.update(false);
page.notify('Renamed keywords of ' + renameCount + ' entries. ');
});
renameDiv.dialog({
minWidth: 832,
modal: true
});
}
};
function readBibtex() {
var bibParser = new BibtexParser();
if (electron) {
try {
bibParser.setInput(require('electron').remote.getGlobal('sharedObject').bibData);
bibParser.bibtex();
return bibParser.getEntries();
} catch (err) {
console.error(err);
alert('Could not load bibliography: \n\n' + err);
}
return null;
} else {
var loadFromLocalStorage = browserUtil.getUrlParameter('loadFromLocalStorage') === 'true';
if (editable && loadFromLocalStorage && localStorage.bibtexString) {
try {
bibParser.setInput(localStorage.bibtexString);
bibParser.bibtex();
return bibParser.getEntries();
} catch (err) {
console.error(err);
console.log(localStorage.bibtexString);
alert('Could not load bibliography from local storage, loaded default instead (see console for details and locally stored bibliography): \n\n' + err.substring(0, 200));
}
return null;
}
}
}
function generateTagCategoriesFromKeywords(entries) {
const tagCategories = {};
Object.keys(entries).forEach(id => {
bibUtil.parseField(entries[id].keywords, 'keywords', tagCategories).forEach(keyword => {
if (keyword.indexOf(':') > 0) {
const category = keyword.split(':')[0];
if (!tagCategories[category]) {
tagCategories[category] = {};
}
}
});
});
return tagCategories;
}
function isFieldForbidden(fieldName) {
const forbiddenFields = []; //['referencedby', 'titlesafe', 'references'];
if (typeof forbiddenFields === 'undefined' || !forbiddenFields) {
return false;
}
for (var i in forbiddenFields) {
if (fieldName.indexOf(forbiddenFields[i]) == 0) {
return true;
}
}
return false;
}
})();
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