egroupware_official/api/js/jsapi/egw_links.js

607 lines
16 KiB
JavaScript

/**
* EGroupware clientside API: link-registry, link-titles, generation links
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel (as AT stylite.de)
* @author Ralf Becker <RalfBecker@outdoor-training.de>
*/
/*egw:uses
egw_core;
*/
import './egw_core.js';
/**
* @augments Class
*/
egw.extend('links', egw.MODULE_GLOBAL, function()
{
"use strict";
/**
* Link registry
*
* @access: private, use egw.open() or egw.set_link_registry()
*/
let link_registry = undefined;
/**
* Local cache for link-titles
*
* @access private, use egw.link_title(_app, _id[, _callback, _context])
*/
let title_cache = {};
/**
* Queue for link_title requests
*
* @access private, use egw.link_title(_app, _id[, _callback, _context])
* @var object _app._id.[{callback: _callback, context: _context}[, ...]]
*/
let title_queue = {};
/**
* Uid of active jsonq request, to not start another one, as we get notified
* before it's actually send to the server via our link_title_before_send callback.
* @access private
*/
let title_uid = null;
/**
* Encode query parameters
*
* @param object|array|string _values
* @param string? _prefix
* @param array? _query
* @return array
*/
function urlencode(_values, _prefix, _query)
{
if (typeof _query === 'undefined') _query = [];
if (Array.isArray(_values))
{
if (!_prefix) throw "array of value needs a prefix";
for(const value of _values)
{
_query.push(_prefix+'[]='+encodeURIComponent(value));
}
}
else if (_values && typeof _values === 'object')
{
for(const name in _values)
{
urlencode(_values[name], _prefix ? _prefix+'['+name+']' : name, _query);
}
}
else
{
_query.push(_prefix+'='+encodeURIComponent(_values || ''));
}
return _query;
}
return {
/**
* Check if $app is in the registry and has an entry for $name
*
* @param {string} _app app-name
* @param {string} _name name / key in the registry, eg. 'view'
* @return {boolean|string} false if $app is not registered, otherwise string with the value for $name
* @memberOf egw
*/
link_get_registry: function(_app, _name)
{
if (typeof link_registry !== 'object')
{
alert('egw.open() link registry is NOT defined!');
return false;
}
if (typeof link_registry[_app] === 'undefined')
{
return false;
}
const reg = link_registry[_app];
// some defaults (we set them directly in the registry, to do this only once)
if (typeof reg[_name] === 'undefined')
{
switch(_name)
{
case 'name':
reg.name = _app;
break;
case 'icon':
const app_data = this.app(_app);
if (typeof app_data !== 'undefined' &&
typeof app_data.icon !== 'undefined' && app_data.icon !== null)
{
reg.icon = (typeof app_data.icon_app != 'undefined' ? app_data.icon_app : _app)+'/'+app_data.icon;
}
else
{
reg.icon = _app+'/navbar';
}
break;
}
}
if (reg && typeof _name === 'undefined')
{
// No key requested, return the whole thing
return reg;
}
return typeof reg[_name] === 'undefined' ? false : reg[_name];
},
/**
* Get mime-type information from app-registry
*
* We prefer a full match over a wildcard like 'text/*' (written as regualr expr. "/^text\\//"
*
* @param {string} _type
* @return {object} with values for keys 'menuaction', 'mime_id' (path) or 'mime_url' and options 'mime_popup' and other values to pass one
*/
get_mime_info: function(_type)
{
let wildcard_mime;
for(var app in link_registry)
{
const reg = link_registry[app];
if (typeof reg.mime !== 'undefined')
{
for(let mime in reg.mime)
{
if (mime === _type) return reg.mime[_type];
if (mime[0] === '/' && _type.match(new RegExp(mime.substring(1, mime.length-1), 'i')))
{
wildcard_mime = reg.mime[mime];
}
}
}
}
return wildcard_mime ? wildcard_mime : null;
},
/**
* Get handler (link-data) for given path and mime-type
*
* @param {string|object} _path vfs path, egw_link::set_data() id or
* object with attr path, optinal download_url or id, app2 and id2 (path=/apps/app2/id2/id)
* @param {string} _type mime-type, if not given in _path object
* @return {string|object} string with EGw relative link, array with get-parameters for '/index.php' or null (directory and not filemanager access)
*/
mime_open: function(_path, _type)
{
let path;
if (typeof _path === 'object')
{
if (typeof _path.path === 'undefined')
{
path = '/apps/'+_path.app2+'/'+_path.id2+'/'+_path.id;
}
else
{
path = _path.path;
}
if (typeof _path.type === 'string')
{
_type = _path.type;
}
}
else if(_path[0] !== '/')
{
}
else
{
path = _path;
}
let mime_info = this.get_mime_info(_type);
let data = {};
if (mime_info)
{
if (this.isCollaborable(_type))
{
data = {
'menuaction': 'collabora.EGroupware\\collabora\\Ui.editor',
'path': path,
'cd': 'no' // needed to not reload framework in sharing
};
return data;
}
for(let attr in mime_info)
{
switch(attr)
{
case 'mime_url':
data[mime_info.mime_url] = 'vfs://default' + path;
break;
case 'mime_data':
break;
case 'mime_type':
data[mime_info.mime_type] = _type;
break;
case 'mime_id':
data[mime_info.mime_id] = path;
break;
default:
data[attr] = mime_info[attr];
}
}
// if mime_info did NOT define mime_url attribute, we use a WebDAV url drived from path
if (typeof mime_info.mime_url === 'undefined')
{
data.url = typeof _path === 'object' && _path.download_url ? _path.download_url : '/webdav.php' + path;
}
}
else
{
data = typeof _path === 'object' && _path.download_url ? _path.download_url : '/webdav.php' + path;
}
return data;
},
/**
* Get list of link-aware apps the user has rights to use
*
* @param {string} _must_support capability the apps need to support, eg. 'add', default ''=list all apps
* @return {object} with app => title pairs
*/
link_app_list: function(_must_support)
{
let apps = [];
for (let type in link_registry)
{
const reg = link_registry[type];
if (typeof _must_support !== 'undefined' && _must_support && typeof reg[_must_support] === 'undefined') continue;
const app_sub = type.split('-');
if (this.app(app_sub[0]))
{
apps.push({"type": type, "label": this.lang(this.link_get_registry(type,'name'))});
}
}
// sort labels (case-insensitive) alphabetic
apps = apps.sort((_a, _b) =>
{
var al = _a.label.toUpperCase();
var bl = _b.label.toUpperCase();
return al === bl ? 0 : (al > bl ? 1 : -1);
});
// create sorted associative array / object
const sorted = {};
for(let i = 0; i < apps.length; ++i)
{
sorted[apps[i].type] = apps[i].label;
}
return sorted;
},
/**
* Set link registry
*
* @param {object} _registry whole registry or entries for just one app
* @param {string} _app
* @param {boolean} _need_clone _images need to be cloned, as it is from different window context
* and therefore will be inaccessible in IE, after that window is closed
*/
set_link_registry: function (_registry, _app, _need_clone)
{
if (typeof _app === 'undefined')
{
link_registry = _need_clone ? jQuery.extend(true, {}, _registry) : _registry;
}
else
{
link_registry[_app] = _need_clone ? jQuery.extend(true, {}, _registry) : _registry;
}
},
/**
* Generate a url which supports url or cookies based sessions
*
* Please note, the values of the query get url encoded!
*
* @param {string} _url a url relative to the egroupware install root, it can contain a query too or
* full url containing a schema and "://"
* @param {object|string} _extravars query string arguements as string or array (prefered)
* if string is used ambersands in vars have to be already urlencoded as '%26', function ensures they get NOT double encoded
* @return {string} generated url
*/
link: function(_url, _extravars)
{
if (_url.substr(0,4) === 'http' && _url.indexOf('://') <= 5)
{
// already a full url (eg. download_url of vfs), nothing to do
}
else
{
if (_url[0] != '/')
{
alert("egw.link('"+_url+"') called with url starting NOT with a slash!");
const app = window.egw_appName;
if (app != 'login' && app != 'logout') _url = app+'/'+_url;
}
// append the url to the webserver url, if not already contained or empty
if (this.webserverUrl && this.webserverUrl != '/' && _url.indexOf(this.webserverUrl+'/') != 0)
{
_url = this.webserverUrl + _url;
}
}
const vars = {};
// check if the url already contains a query and ensure that vars is an array and all strings are in extravars
const url_othervars = _url.split('?',2);
_url = url_othervars[0];
const othervars = url_othervars[1];
if (_extravars && typeof _extravars == 'object')
{
jQuery.extend(vars, _extravars);
_extravars = othervars;
}
else
{
if (!_extravars) _extravars = '';
if (othervars) _extravars += (_extravars?'&':'')+othervars;
}
// parse extravars string into the vars array
if (_extravars)
{
_extravars = _extravars.split('&');
for(let i=0; i < _extravars.length; ++i)
{
const name_val = _extravars[i].split('=', 2);
let name = name_val[0];
let val = name_val[1] || '';
if (val.indexOf('%26') !== -1) val = val.replace(/%26/g,'&'); // make sure to not double encode &
if (name.lastIndexOf('[]') != -1 && name.lastIndexOf('[]') == name.length-2)
{
name = name.substr(0,name.length-2);
if (typeof vars[name] === 'undefined') vars[name] = [];
vars[name].push(val);
}
else
{
vars[name] = val;
}
}
}
// if there are vars, we add them urlencoded to the url
return Object.keys(vars).length ? _url+'?'+urlencode(vars).join('&') : _url;
},
/**
* Query a title of _app/_id
*
* Deprecated default of returning string or null for no callback, will change in future to always return a Promise!
*
* @param {string} _app
* @param {string|number} _id
* @param {boolean|function|undefined} _callback true to always return a promise, false: just lookup title-cache or optional callback
* NOT giving either a boolean value or a callback is deprecated!
* @param {object|undefined} _context context for the callback
* @param {boolean} _force_reload true load again from server, even if already cached
* @return {Promise|string|null} Promise for _callback given (function or true), string with title if it exists in local cache or null if not
*/
link_title: function(_app, _id, _callback, _context, _force_reload)
{
// check if we have a cached title --> return it direct
if (typeof title_cache[_app] !== 'undefined' && typeof title_cache[_app][_id] !== 'undefined' && _force_reload !== true)
{
if (typeof _callback === 'function')
{
_callback.call(_context, title_cache[_app][_id]);
}
if (_callback)
{
return Promise.resolve(title_cache[_app][_id]);
}
return title_cache[_app][_id];
}
// no callback --> return null
if (!_callback)
{
if (_callback !== false)
{
console.trace('Deprecated use of egw.link() without 3rd parameter callback!');
}
return null; // not found in local cache and can't do a synchronous request
}
// queue the request
if (typeof title_queue[_app] === 'undefined')
{
title_queue[_app] = {};
}
if (typeof title_queue[_app][_id] === 'undefined')
{
title_queue[_app][_id] = [];
}
let promise = new Promise(_resolve => {
title_queue[_app][_id].push({callback: _resolve, context: _context});
});
if (typeof _callback === 'function')
{
promise = promise.then(_data => {
_callback.bind(_context)(_data);
return _data;
});
}
// if there's no active jsonq request, start a new one
if (title_uid === null)
{
title_uid = this.jsonq('EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_link_titles',[{}], undefined, this, this.link_title_before_send)
.then(_response => this.link_title_callback(_response));
}
return promise;
},
/**
* Callback to add all current title requests
*
* @param {object} _params of parameters, only first parameter is used
*/
link_title_before_send: function(_params)
{
// add all current title-requests
for(let app in title_queue)
{
for(let id in title_queue[app])
{
if (typeof _params[0][app] === 'undefined')
{
_params[0][app] = [];
}
_params[0][app].push(id);
}
}
title_uid = null; // allow next request to jsonq
},
/**
* Callback for server response
*
* @param {object} _response _app => _id => title
*/
link_title_callback: function(_response)
{
if (typeof _response !== 'object')
{
throw "Wrong parameter for egw.link_title_callback!";
}
for(let app in _response)
{
if (typeof title_cache[app] !== 'object')
{
title_cache[app] = {};
}
for (let id in _response[app])
{
const title = _response[app][id];
// cache locally
title_cache[app][id] = title;
// call callbacks waiting for title of app/id
if (typeof title_queue[app] !== 'undefined' && typeof title_queue[app][id] !== "undefined")
{
for(let i=0; i < title_queue[app][id].length; ++i)
{
const callback = title_queue[app][id][i];
callback.callback.call(callback.context, title);
}
delete title_queue[app][id];
}
}
}
},
/**
* Create quick add selectbox
*
* @param {DOMnode} _parent parent to create selectbox in
*/
link_quick_add: function(_parent)
{
// check if quick-add selectbox is already there, only create it again if not
if (document.getElementById('quick_add_selectbox') || egwIsMobile())
{
return;
}
// Use node as the trigger
const parent = document.getElementById(_parent);
const select = document.createElement('et2-select');
select.setAttribute('id', 'quick_add_selectbox');
// Empty label is required to clear value, but we hide it
select.emptyLabel = "Select";
select.placement = "bottom end";
parent.append(select);
const plus = parent.querySelector("span");
plus.addEventListener("click", () => {
select.show();
})
// bind change handler
select.addEventListener('change', () =>
{
if (select.value)
{
this.open('', select.value, 'add', {}, undefined, select.value, true);
}
select.value = '';
});
// need to load common translations for app-names
this.langRequire(window, [{app: 'common', lang: this.preference('lang')}], () =>
{
let options = [];
const apps = this.link_app_list('add');
for(let app in apps)
{
if (this.link_get_registry(app, 'no_quick_add'))
{
continue;
}
options.push({
value: app,
label: this.lang(this.link_get_registry(app, 'entry') || apps[app]),
icon: this.image('navbar', app)
});
}
select.select_options = options;
/*
select.updateComplete.then(() =>
{
// Adjust popup positioning to account for hidden select parts
select.popup.distance = -32;
});
*/
});
},
/**
* Check if a mimetype is editable
*
* Check mimetype & user preference
*/
isEditable: function (mime)
{
if (!mime)
{
return false;
}
let fe = this.file_editor_prefered_mimes(mime);
if (!fe || !fe.mime || fe && fe.mime && !fe.mime[mime])
{
return false;
}
return ['edit'].indexOf(fe.mime[mime].name) !== -1;
},
/**
* Check if a mimetype is openable in Collabora
* (without needing to have Collabora JS loaded)
*
* @param mime
*
* @return string|false
*/
isCollaborable: function (mime)
{
if (typeof this.user('apps')['collabora'] == "undefined")
{
return false;
}
// Additional check to see if Collabora can open the file at all, not just edit it
let fe = this.file_editor_prefered_mimes(mime);
if (fe && fe.mime && fe.mime[mime] && fe.mime[mime].name || this.isEditable(mime))
{
return fe.mime[mime].name;
}
}
}
});