pad.libre-service.eu-etherpad/src/static/js/pluginfw/hooks.js

76 lines
2.3 KiB
JavaScript
Raw Normal View History

var plugins = require("ep_etherpad-lite/static/js/pluginfw/plugins");
/* FIXME: Ugly hack, in the future, use same code for server & client */
if (plugins.isClient) {
var async = require("ep_etherpad-lite/static/js/pluginfw/async");
} else {
var async = require("async");
}
var hookCallWrapper = function (hook, hook_name, args, cb) {
if (cb === undefined) cb = function (x) { return x; };
try {
return hook.hook_fn(hook_name, args, cb);
} catch (ex) {
2012-03-04 20:32:57 +01:00
console.error([hook_name, hook.part.full_name, ex.stack || ex]);
}
}
/* Don't use Array.concat as it flatterns arrays within the array */
exports.flatten = function (lst) {
var res = [];
if (lst != undefined && lst != null) {
for (var i = 0; i < lst.length; i++) {
if (lst[i] != undefined && lst[i] != null) {
for (var j = 0; j < lst[i].length; j++) {
res.push(lst[i][j]);
}
}
}
}
return res;
}
exports.callAll = function (hook_name, args) {
if (plugins.hooks[hook_name] === undefined) return [];
return exports.flatten(plugins.hooks[hook_name].map(function (hook) {
return hookCallWrapper(hook, hook_name, args);
}));
}
exports.aCallAll = function (hook_name, args, cb) {
2012-03-19 17:16:49 +01:00
if (plugins.hooks[hook_name] === undefined) return cb(null, []);
async.map(
plugins.hooks[hook_name],
function (hook, cb) {
hookCallWrapper(hook, hook_name, args, function (res) { cb(null, res); });
},
function (err, res) {
2012-03-19 17:16:49 +01:00
cb(null, exports.flatten(res));
}
);
}
exports.callFirst = function (hook_name, args) {
if (plugins.hooks[hook_name][0] === undefined) return [];
return exports.flatten(hookCallWrapper(plugins.hooks[hook_name][0], hook_name, args));
}
exports.aCallFirst = function (hook_name, args, cb) {
2012-03-19 17:16:49 +01:00
if (plugins.hooks[hook_name][0] === undefined) return cb(null, []);
hookCallWrapper(plugins.hooks[hook_name][0], hook_name, args, function (res) { cb(null, exports.flatten(res)); });
}
exports.callAllStr = function(hook_name, args, sep, pre, post) {
if (sep == undefined) sep = '';
if (pre == undefined) pre = '';
if (post == undefined) post = '';
var newCallhooks = [];
var callhooks = exports.callAll(hook_name, args);
for (var i = 0, ii = callhooks.length; i < ii; i++) {
newCallhooks[i] = pre + callhooks[i] + post;
}
return newCallhooks.join(sep || "");
}