You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
145 lines
4.3 KiB
145 lines
4.3 KiB
// Copyright (c) Jupyter Development Team.
|
|
// Distributed under the terms of the Modified BSD License.
|
|
|
|
define([
|
|
'base/js/utils',
|
|
],
|
|
function(utils) {
|
|
"use strict";
|
|
var ConfigSection = function(section_name, options) {
|
|
this.section_name = section_name;
|
|
this.base_url = options.base_url;
|
|
this.data = {};
|
|
|
|
var that = this;
|
|
|
|
/* .loaded is a promise, fulfilled the first time the config is loaded
|
|
* from the server. Code can do:
|
|
* conf.loaded.then(function() { ... using conf.data ... });
|
|
*/
|
|
this._one_load_finished = false;
|
|
this.loaded = new Promise(function(resolve, reject) {
|
|
that._finish_firstload = resolve;
|
|
});
|
|
};
|
|
|
|
ConfigSection.prototype.api_url = function() {
|
|
return utils.url_path_join(this.base_url, 'api/config',
|
|
utils.encode_uri_components(this.section_name));
|
|
};
|
|
|
|
ConfigSection.prototype._load_done = function() {
|
|
if (!this._one_load_finished) {
|
|
this._one_load_finished = true;
|
|
this._finish_firstload();
|
|
}
|
|
};
|
|
|
|
ConfigSection.prototype.load = function() {
|
|
var that = this;
|
|
return utils.promising_ajax(this.api_url(), {
|
|
cache: false,
|
|
type: "GET",
|
|
dataType: "json",
|
|
}).then(function(data) {
|
|
that.data = data;
|
|
that._load_done();
|
|
return data;
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Modify the config values stored. Update the local data immediately,
|
|
* send the change to the server, and use the updated data from the server
|
|
* when the reply comes.
|
|
*/
|
|
ConfigSection.prototype.update = function(newdata) {
|
|
$.extend(true, this.data, newdata); // true -> recursive update
|
|
|
|
var that = this;
|
|
return utils.promising_ajax(this.api_url(), {
|
|
processData: false,
|
|
type : "PATCH",
|
|
data: JSON.stringify(newdata),
|
|
dataType : "json",
|
|
contentType: 'application/json',
|
|
}).then(function(data) {
|
|
that.data = data;
|
|
that._load_done();
|
|
return data;
|
|
});
|
|
};
|
|
|
|
|
|
var ConfigWithDefaults = function(section, defaults, classname) {
|
|
this.section = section;
|
|
this.defaults = defaults;
|
|
this.classname = classname;
|
|
};
|
|
|
|
ConfigWithDefaults.prototype._class_data = function() {
|
|
if (this.classname) {
|
|
return this.section.data[this.classname] || {};
|
|
} else {
|
|
return this.section.data;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Wait for config to have loaded, then get a value or the default.
|
|
* Returns a promise.
|
|
*/
|
|
ConfigWithDefaults.prototype.get = function(key) {
|
|
var that = this;
|
|
return this.section.loaded.then(function() {
|
|
return that.get_sync(key);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Return a config value. If config is not yet loaded, return the default
|
|
* instead of waiting for it to load.
|
|
*/
|
|
ConfigWithDefaults.prototype.get_sync = function(key) {
|
|
var data = this._class_data();
|
|
if (key === undefined) {
|
|
// no key specified, return full config data
|
|
return $.extend(true, {}, this.defaults, data);
|
|
}
|
|
|
|
var value = data[key];
|
|
if (value !== undefined) {
|
|
if (typeof value == 'object') {
|
|
// merge with defaults if it's an object
|
|
return $.extend(true, {}, this.defaults[key], value);
|
|
} else {
|
|
return value;
|
|
}
|
|
}
|
|
return this.defaults[key];
|
|
};
|
|
|
|
/**
|
|
* Set a config value. Send the update to the server, and change our
|
|
* local copy of the data immediately.
|
|
* Returns a promise which is fulfilled when the server replies to the
|
|
* change.
|
|
*/
|
|
ConfigWithDefaults.prototype.set = function(key, value) {
|
|
var d = {};
|
|
d[key] = value;
|
|
if (this.classname) {
|
|
var d2 = {};
|
|
d2[this.classname] = d;
|
|
return this.section.update(d2);
|
|
} else {
|
|
return this.section.update(d);
|
|
}
|
|
};
|
|
|
|
return {ConfigSection: ConfigSection,
|
|
ConfigWithDefaults: ConfigWithDefaults,
|
|
};
|
|
|
|
});
|