1
0
mirror of https://github.com/haiwen/seahub.git synced 2025-08-04 08:40:44 +00:00
seahub/frontend/src/utils/utils.js
2019-05-30 16:01:18 +08:00

864 lines
23 KiB
JavaScript

import { mediaUrl, gettext, serviceURL, siteRoot } from './constants';
import { strChineseFirstPY } from './pinyin-by-unicode';
export const Utils = {
keyCodes: {
esc: 27,
space: 32,
tab: 9,
up: 38,
down: 40
},
bytesToSize: function(bytes) {
if (typeof(bytes) == 'undefined') return ' ';
if(bytes < 0) return '--';
const sizes = ['bytes', 'KB', 'MB', 'GB', 'TB', 'PB'];
if (bytes === 0) return bytes + ' ' + sizes[0];
const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1000)), 10);
if (i === 0) return bytes + ' ' + sizes[i];
return (bytes / (1000 ** i)).toFixed(1) + ' ' + sizes[i];
},
isHiDPI: function() {
var pixelRatio = window.devicePixelRatio ? window.devicePixelRatio : 1;
if (pixelRatio > 1) {
return true;
} else {
return false;
}
},
FILEEXT_ICON_MAP: {
// text file
'md': 'txt.png',
'txt': 'txt.png',
// pdf file
'pdf' : 'pdf.png',
// document file
'doc' : 'word.png',
'docx' : 'word.png',
'odt' : 'word.png',
'fodt' : 'word.png',
'ppt' : 'ppt.png',
'pptx' : 'ppt.png',
'odp' : 'ppt.png',
'fodp' : 'ppt.png',
'xls' : 'excel.png',
'xlsx' : 'excel.png',
'ods' : 'excel.png',
'fods' : 'excel.png',
// video
'mp4': 'video.png',
'ogv': 'video.png',
'webm': 'video.png',
'mov': 'video.png',
'flv': 'video.png',
'wmv': 'video.png',
'rmvb': 'video.png',
// music file
'mp3' : 'music.png',
'oga' : 'music.png',
'ogg' : 'music.png',
'flac' : 'music.png',
'aac' : 'music.png',
'ac3' : 'music.png',
'wma' : 'music.png',
// image file
'jpg' : 'pic.png',
'jpeg' : 'pic.png',
'png' : 'pic.png',
'svg' : 'pic.png',
'gif' : 'pic.png',
'bmp' : 'pic.png',
'ico' : 'pic.png',
// default
'default' : 'file.png'
},
// check if a file is an image
imageCheck: function (filename) {
// no file ext
if (filename.lastIndexOf('.') == -1) {
return false;
}
var file_ext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
var image_exts = ['gif', 'jpeg', 'jpg', 'png', 'ico', 'bmp'];
if (image_exts.indexOf(file_ext) != -1) {
return true;
} else {
return false;
}
},
// check if a file is a video
videoCheck: function (filename) {
// no file ext
if (filename.lastIndexOf('.') == -1) {
return false;
}
var file_ext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
var exts = ['mp4', 'ogv', 'webm', 'mov'];
if (exts.indexOf(file_ext) != -1) {
return true;
} else {
return false;
}
},
encodePath: function(path) {
// IE8 does not support 'map()'
/*
return path.split('/').map(function(e) {
return encodeURIComponent(e);
}).join('/');
*/
if (!path) {
return '';
}
var path_arr = path.split('/');
var path_arr_ = [];
for (var i = 0, len = path_arr.length; i < len; i++) {
path_arr_.push(encodeURIComponent(path_arr[i]));
}
return path_arr_.join('/');
},
HTMLescape: function(html) {
return document.createElement('div')
.appendChild(document.createTextNode(html))
.parentNode
.innerHTML;
},
generateDialogTitle: function(title, operationTarget) {
/*
* @param title: gettext('...{placeholder}...')
*/
const targetStr = this.HTMLescape(operationTarget);
const str = `<span class="op-target ellipsis ellipsis-op-target" title=${targetStr}>${targetStr}</span>`;
return title.replace('{placeholder}', str);
},
getFileName: function(filePath) {
let lastIndex = filePath.lastIndexOf('/');
return filePath.slice(lastIndex+1);
},
/**
* input: '/abc/bc/cb'
* output: ['/abc', '/abc/bc', '/abc/bc/cb'];
*/
getPaths: function(path) {
let paths = path.split('/').slice(1);
let result = [];
while(paths.length) {
result.push('/' + paths.join('/'));
paths.pop();
}
return result.reverse();
},
/**
* input:
* eg: /
* ../abc/abc/
* ../abc/bc
* output(return):
* eg: /
* abc
* bc
*/
getFolderName: function(path) {
if (path === '/') {
return path;
}
path = path[path.length - 1] !== '/' ? path : path.slice(0, path.length -2);
return path.slice(path.lastIndexOf('/') + 1);
},
/*
return dirname of a path.
if path is '/', return '/'.
*/
getDirName: function(path) {
let dir = path.slice(0, path.lastIndexOf('/'));
if (dir === '') {
return '/';
} else {
return dir;
}
},
isChildPath: function(child, parent) {
let p = this.getDirName(child);
return p === parent;
},
isAncestorPath: function(ancestor, path) {
return path.indexOf(ancestor) > -1;
},
renameAncestorPath: function(path, ancestor, newAncestor) {
return path.replace(ancestor, newAncestor);
},
joinPath: function(pathA, pathB) {
if (pathA[pathA.length-1] === '/') {
return pathA + pathB;
} else {
return pathA + '/' + pathB;
}
},
isSupportUploadFolder: function() {
return navigator.userAgent.indexOf('Firefox')!=-1 ||
navigator.userAgent.indexOf('Chrome') > -1;
},
getDefaultLibIconUrl: function(isBig) {
let size = Utils.isHiDPI() ? 48 : 24;
size = isBig ? 256 : size;
let icon_name = 'lib.png';
return mediaUrl + 'img/lib/' + size + '/' + icon_name;
},
getLibIconUrl: function(repo, isBig) {
let permission = repo.permission || repo.share_permission; //Compatible with regular repo and repo shared
let size = Utils.isHiDPI() ? 48 : 24;
let status = repo.status;
size = isBig ? 256 : size;
let icon_name = 'lib.png';
if (repo.encrypted) {
icon_name = 'lib-encrypted.png';
}
if (permission === 'r' || permission === 'perview' || status === 'read-only') {
icon_name = 'lib-readonly.png';
}
return mediaUrl + 'img/lib/' + size + '/' + icon_name;
},
getDirentIcon: function (dirent, isBig) {
let size = this.isHiDPI() ? 48 : 24;
size = isBig ? 192 : size;
if (dirent.isDir()) {
let readonly = false;
if (dirent.permission && (dirent.permission === 'r' || dirent.permission === 'preview')) {
readonly = true;
}
return this.getFolderIconUrl(readonly, size);
} else {
return this.getFileIconUrl(dirent.name, size);
}
},
getFolderIconUrl: function(readonly = false, size) {
if (!size) {
size = Utils.isHiDPI() ? 48 : 24;
}
size = size > 24 ? 192 : 24;
return `${mediaUrl}img/folder${readonly ? '-read-only-' : '-'}${size}.png`;
},
getFileIconUrl: function(filename, size) {
if (!size) {
size = Utils.isHiDPI() ? 48 : 24;
}
size = size > 24 ? 192 : 24;
let file_ext = '';
if (filename.lastIndexOf('.') == -1) {
return mediaUrl + 'img/file/' + size + '/' + this.FILEEXT_ICON_MAP['default'];
} else {
file_ext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
}
if (this.FILEEXT_ICON_MAP[file_ext]) {
return mediaUrl + 'img/file/' + size + '/' + this.FILEEXT_ICON_MAP[file_ext];
} else {
return mediaUrl + 'img/file/' + size + '/' + this.FILEEXT_ICON_MAP['default'];
}
},
getLibIconTitle: function(repo) {
var title;
let permission = repo.permission || repo.share_permission; //Compatible with regular repo and repo shared
if (repo.encrypted) {
title = gettext('Encrypted library');
} else if (repo.is_admin) { // shared with 'admin' permission
title = gettext('Admin access');
} else {
switch(permission) {
case 'rw':
title = gettext('Read-Write library');
break;
case 'r':
title = gettext('Read-Only library');
break;
case 'cloud-edit':
title = gettext('Preview-Edit-on-Cloud library');
break;
case 'preview':
title = gettext('Preview-on-Cloud library');
break;
}
}
return title;
},
getFolderIconTitle: function(options) {
var title;
switch(options.permission) {
case 'rw':
title = gettext('Read-Write folder');
break;
case 'r':
title = gettext('Read-Only folder');
break;
case 'cloud-edit':
title = gettext('Preview-Edit-on-Cloud folder');
break;
case 'preview':
title = gettext('Preview-on-Cloud folder');
break;
}
return title;
},
sharePerms: function(permission) {
var title;
switch(permission) {
case 'rw':
title = gettext('Read-Write');
break;
case 'r':
title = gettext('Read-Only');
break;
case 'admin':
title = gettext('Admin');
break;
case 'cloud-edit':
title = gettext('Preview-Edit-on-Cloud');
break;
case 'preview':
title = gettext('Preview-on-Cloud');
break;
}
return title;
},
sharePermsExplanation: function(permission) {
var title;
switch(permission) {
case 'rw':
title = gettext('User can read, write, upload, download and sync files.');
break;
case 'r':
title = gettext('User can read, download and sync files.');
break;
case 'admin':
title = gettext('Besides Write permission, user can also share the library.');
break;
case 'cloud-edit':
title = gettext('User can view and edit file online via browser. Files can\'t be downloaded.');
break;
case 'preview':
title = gettext('User can only view files online via browser. Files can\'t be downloaded.');
break;
}
return title;
},
formatSize: function(options) {
/*
* param: {bytes, precision}
*/
var bytes = options.bytes;
var precision = options.precision || 0;
var kilobyte = 1000;
var megabyte = kilobyte * 1000;
var gigabyte = megabyte * 1000;
var terabyte = gigabyte * 1000;
if ((bytes >= 0) && (bytes < kilobyte)) {
return bytes + ' B';
} else if ((bytes >= kilobyte) && (bytes < megabyte)) {
return (bytes / kilobyte).toFixed(precision) + ' KB';
} else if ((bytes >= megabyte) && (bytes < gigabyte)) {
return (bytes / megabyte).toFixed(precision) + ' MB';
} else if ((bytes >= gigabyte) && (bytes < terabyte)) {
return (bytes / gigabyte).toFixed(precision) + ' GB';
} else if (bytes >= terabyte) {
return (bytes / terabyte).toFixed(precision) + ' TB';
} else {
return bytes + ' B';
}
},
formatBitRate: function(bits) {
var Bs;
if (typeof bits !== 'number') {
return '';
}
Bs = bits / 8;
if (Bs >= 1000000000) {
return (Bs / 1000000000).toFixed(2) + ' GB/s';
}
if (Bs >= 1000000) {
return (Bs / 1000000).toFixed(2) + ' MB/s';
}
if (Bs >= 1000) {
return (Bs / 1000).toFixed(2) + ' kB/s';
}
return Bs.toFixed(2) + ' B/s';
},
isMarkdownFile: function(filePath) {
let index = filePath.lastIndexOf('.');
if (index === -1) {
return false;
} else {
let type = filePath.substring(index).toLowerCase();
if (type === '.md' || type === '.markdown') {
return true;
} else {
return false;
}
}
},
isInternalMarkdownLink: function(url, repoID) {
var re = new RegExp(serviceURL + '/lib/' + repoID + '.*\.md$');
return re.test(url);
},
isInternalDirLink: function(url, repoID) {
var re = new RegExp(serviceURL + '/library/' + repoID + '.*');
return re.test(url);
},
getPathFromInternalMarkdownLink: function(url, repoID) {
var re = new RegExp(serviceURL + '/lib/' + repoID + '/file' + '(.*\.md)');
var array = re.exec(url);
var path = decodeURIComponent(array[1]);
return path;
},
getPathFromInternalDirLink: function(url, repoID) {
var re = new RegExp(serviceURL + '/library/' + repoID + '(/.*)');
var array = re.exec(url);
var path = decodeURIComponent(array[1]);
path = path.slice(1);
path = path.slice(path.indexOf('/'));
return path;
},
isWikiInternalMarkdownLink: function(url, slug) {
slug = encodeURIComponent(slug);
var re = new RegExp(serviceURL + '/published/' + slug + '.*\.md$');
return re.test(url);
},
isWikiInternalDirLink: function(url, slug) {
slug = encodeURIComponent(slug);
var re = new RegExp(serviceURL + '/published/' + slug + '.*');
return re.test(url);
},
getPathFromWikiInternalMarkdownLink: function(url, slug) {
slug = encodeURIComponent(slug);
var re = new RegExp(serviceURL + '/published/' + slug + '(.*\.md)');
var array = re.exec(url);
var path = array[1];
try {
path = decodeURIComponent(path);
} catch(err) {
path = path.replace(/%/g, '%25');
path = decodeURIComponent(path);
}
return path;
},
getPathFromWikiInternalDirLink: function(url, slug) {
slug = encodeURIComponent(slug);
var re = new RegExp(serviceURL + '/published/' + slug + '(/.*)');
var array = re.exec(url);
var path = array[1];
try {
path = decodeURIComponent(path);
} catch(err) {
path = path.replace(/%/g, '%25');
path = decodeURIComponent(path);
}
return path;
},
compareTwoWord: function(wordA, wordB) {
// compare wordA and wordB at lower case
// if wordA >= wordB, return 1
// if wordA < wordB, return -1
var a_val, b_val,
a_uni = wordA.charCodeAt(0),
b_uni = wordB.charCodeAt(0);
if ((19968 < a_uni && a_uni < 40869) && (19968 < b_uni && b_uni < 40869)) {
// both are chinese words
a_val = strChineseFirstPY.charAt(a_uni - 19968).toLowerCase();
b_val = strChineseFirstPY.charAt(b_uni - 19968).toLowerCase();
} else if ((19968 < a_uni && a_uni < 40869) && !(19968 < b_uni && b_uni < 40869)) {
// a is chinese and b is english
return 1;
} else if (!(19968 < a_uni && a_uni < 40869) && (19968 < b_uni && b_uni < 40869)) {
// a is english and b is chinese
return -1;
} else {
// both are english words
a_val = wordA.toLowerCase();
b_val = wordB.toLowerCase();
return this.compareStrWithNumbersIn(a_val, b_val);
}
return a_val >= b_val ? 1 : -1;
},
// compare two strings which may have digits in them
// and compare those digits as number instead of string
compareStrWithNumbersIn: function(a, b) {
var reParts = /\d+|\D+/g;
var reDigit = /\d/;
var aParts = a.match(reParts);
var bParts = b.match(reParts);
var isDigitPart;
var len = Math.min(aParts.length, bParts.length);
var aPart, bPart;
if (aParts && bParts &&
(isDigitPart = reDigit.test(aParts[0])) == reDigit.test(bParts[0])) {
// Loop through each substring part to compare the overall strings.
for (var i = 0; i < len; i++) {
aPart = aParts[i];
bPart = bParts[i];
if (isDigitPart) {
aPart = parseInt(aPart, 10);
bPart = parseInt(bPart, 10);
}
if (aPart != bPart) {
return aPart < bPart ? -1 : 1;
}
// Toggle the value of isDigitPart since the parts will alternate.
isDigitPart = !isDigitPart;
}
}
// Use normal comparison.
return (a >= b) - (a <= b);
},
sortRepos: function(repos, sortBy, sortOrder) {
const _this = this;
let comparator;
switch (`${sortBy}-${sortOrder}`) {
case 'name-asc':
comparator = function(a, b) {
if (!a.repo_name) {
return 1;
}
if (!b.repo_name) {
return -1;
}
var result = _this.compareTwoWord(a.repo_name, b.repo_name);
return result;
};
break;
case 'name-desc':
comparator = function(a, b) {
if (!a.repo_name) {
return -1;
}
if (!b.repo_name) {
return 1;
}
var result = _this.compareTwoWord(a.repo_name, b.repo_name);
return -result;
};
break;
case 'time-asc':
comparator = function(a, b) {
return a.last_modified < b.last_modified ? -1 : 1;
};
break;
case 'time-desc':
comparator = function(a, b) {
return a.last_modified < b.last_modified ? 1 : -1;
};
break;
case 'size-asc':
comparator = function(a, b) {
if (a.size === b.size) {
let result = _this.compareTwoWord(a.repo_name, b.repo_name);
return result;
}
return a.size_original < b.size_original ? -1 : 1;
};
break;
case 'size-desc':
comparator = function(a, b) {
if (a.size === b.size) {
let result = _this.compareTwoWord(a.repo_name, b.repo_name);
return -result;
}
return a.size_original < b.size_original ? 1 : -1;
};
break;
}
repos.sort(comparator);
return repos;
},
sortDirents: function(items, sortBy, sortOrder) {
const _this = this;
let comparator;
switch (`${sortBy}-${sortOrder}`) {
case 'name-asc':
comparator = function(a, b) {
var result = _this.compareTwoWord(a.name, b.name);
return result;
};
break;
case 'name-desc':
comparator = function(a, b) {
var result = _this.compareTwoWord(a.name, b.name);
return -result;
};
break;
case 'time-asc':
comparator = function(a, b) {
return a.mtime < b.mtime ? -1 : 1;
};
break;
case 'time-desc':
comparator = function(a, b) {
return a.mtime < b.mtime ? 1 : -1;
};
break;
case 'size-asc':
comparator = function(a, b) {
if (a.type == 'dir' && b.type == 'dir') {
let result = _this.compareTwoWord(a.name, b.name);
return result;
}
return a.size_original < b.size_original ? -1 : 1;
};
break;
case 'size-desc':
comparator = function(a, b) {
if (a.type == 'dir' && b.type == 'dir') {
let result = _this.compareTwoWord(a.name, b.name);
return -result;
}
return a.size_original < b.size_original ? 1 : -1;
};
break;
}
items.sort((a, b) => {
if (a.type == 'dir' && b.type == 'file') {
return -1;
} else if (a.type == 'file' && b.type == 'dir') {
return 1;
} else {
return comparator(a, b);
}
});
return items;
},
changeMarkdownNodes: function(nodes, fn) {
nodes.map((item) => {
fn(item);
if (item.nodes && item.nodes.length > 0){
Utils.changeMarkdownNodes(item.nodes, fn);
}
});
return nodes;
},
chooseLanguage: function(suffix) {
let mode;
switch(suffix) {
case 'py':
mode = 'python';
break;
case 'js':
mode = 'javascript';
break;
case 'c':
mode = 'text/x-csrc';
break;
case 'cpp':
mode = 'text/x-c++src';
break;
case 'java':
mode = 'text/x-java';
break;
case 'cs':
mode = 'text/x-csharp';
break;
case 'mdf':
mode = 'text/x-sql';
break;
case 'html':
mode = 'htmlmixed';
break;
default:
mode = suffix;
}
return mode;
},
DARK_COLOR_MAP: {
// old color
'red': '#D11507',
'orange': '#FF8C00',
'yellow': '#EDEF00',
'green': '#006400',
'cyan': '#00E0E1',
'blue': '#2510A3',
'indigo': '#350C56',
'purple': '#551054',
'pink': '#E3A5B0',
'azure': '#C4D0D0',
'lime': '#00E100',
'teal': '#006A6B',
'gray': '#545454',
// new color
'#FFA8A8': '#E49090',
'#FFA94D': '#E39136',
'#FFD43B': '#E0B815',
'#A0EC50': '#83CF32',
'#A9E34B': '#8DC72E',
'#63E6BE': '#43CAA4',
'#4FD2C9': '#2DB9B0',
'#72C3FC': '#57ABE3',
'#91A7FF': '#7A91E7',
'#E599F7': '#CC82DE',
'#B197FC': '#9B82E5',
'#F783AC': '#DF6D97',
'#CED4DA': '#A8ADB2',
},
getDarkColor: function(color) {
let darkColor;
darkColor = this.DARK_COLOR_MAP[color];
return darkColor;
},
getCopySuccessfulMessage: function(dirNames) {
let message;
let dirNamesLength = dirNames.length;
if (dirNamesLength === 1) {
message = gettext('Successfully copied %(name)s.');
} else if (dirNamesLength === 2) {
message = gettext('Successfully copied %(name)s and 1 other item.');
} else {
message = gettext('Successfully copied %(name)s and %(amount)s other items.');
message = message.replace('%(amount)s', dirNamesLength - 1);
}
message = message.replace('%(name)s', dirNames[0]);
return message;
},
getMoveSuccessMessage: function(dirNames) {
let message;
let dirNamesLength = dirNames.length;
if (dirNamesLength === 1) {
message = gettext('Successfully moved %(name)s.');
} else if (dirNamesLength === 2) {
message = gettext('Successfully moved %(name)s and 1 other item.');
} else {
message = gettext('Successfully moved %(name)s and %(amount)s other items.');
message = message.replace('%(amount)s', dirNamesLength - 1);
}
message = message.replace('%(name)s', dirNames[0]);
return message;
},
getCopyFailedMessage: function(dirNames) {
let message;
let dirNamesLength = dirNames.length;
if (dirNamesLength > 1) {
message = gettext('Failed to copy %(name)s and %(amount)s other item(s).');
message = message.replace('%(amount)s', dirNamesLength - 1);
} else {
message = gettext('Failed to copy %(name)s.');
}
message = message.replace('%(name)s', dirNames[0]);
return message;
},
getMoveFailedMessage: function(dirNames) {
let message;
let dirNamesLength = dirNames.length;
if (dirNamesLength > 1) {
message = gettext('Failed to move %(name)s and %(amount)s other item(s).');
message = message.replace('%(amount)s', dirNamesLength - 1);
} else {
message = gettext('Failed to move %(name)s.');
}
message = message.replace('%(name)s', dirNames[0]);
return message;
},
handleSearchedItemClick: function(searchedItem) {
if (searchedItem.is_dir === true) {
let url = siteRoot + 'library/' + searchedItem.repo_id + '/' + searchedItem.repo_name + searchedItem.path;
let newWindow = window.open('about:blank');
newWindow.location.href = url;
} else {
let url = siteRoot + 'lib/' + searchedItem.repo_id + '/file' + Utils.encodePath(searchedItem.path);
let newWindow = window.open('about:blank');
newWindow.location.href = url;
}
},
generatePassword: function(passwordLength) {
let possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz0123456789';
let password = '';
for (let i = 0; i < passwordLength; i++) {
password += possible.charAt(Math.floor(Math.random() * possible.length));
}
return password;
}
};