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webui: add Deferred/Promise API to rpc.command

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so that commands could be easily chained

prerequisite for: https://fedorahosted.org/freeipa/ticket/4286

Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>
This commit is contained in:
Petr Vobornik 2015-08-28 13:58:57 +02:00
parent 7978c21473
commit 148083f26a
1 changed files with 20 additions and 1 deletions
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21
install/ui/src/freeipa/rpc.js
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@ -24,13 +24,14 @@
define([
'dojo/_base/lang',
'dojo/Deferred',
'./auth',
'./ipa',
'./text',
'./util',
'exports'
],
function(lang, auth, IPA, text, util, rpc /*exports*/) {
function(lang, Deferred, auth, IPA, text, util, rpc /*exports*/) {
/**
* Call an IPA command over JSON-RPC.
@ -204,6 +205,8 @@ rpc.command = function(spec) {
*/
that.execute = function() {
var deferred = new Deferred();
function dialog_open(xhr, text_status, error_thrown) {
var ajax = this;
@ -320,6 +323,14 @@ rpc.command = function(spec) {
//custom error handling, maintaining AJAX call's context
that.on_error.call(this, xhr, text_status, error_thrown);
}
deferred.reject({
command: that,
context: this,
xhr: xhr,
text_status: text_status,
error_thrown: error_thrown
});
}
function success_handler(data, text_status, xhr) {
@ -378,6 +389,13 @@ rpc.command = function(spec) {
if (that.on_success) that.on_success.call(this, data, text_status, xhr);
}
that.process_warnings(data.result);
deferred.resolve({
command: that,
context: this,
data: data,
text_status: text_status,
xhr: xhr
});
}
}
@ -397,6 +415,7 @@ rpc.command = function(spec) {
IPA.display_activity_icon();
$.ajax(that.request);
return deferred.promise;
};
/**