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[REV] xmo@openerp.com-20111013124912-wton5lidyvaezsj6 see: niv 

bzr revid: xmo@openerp.com-20111017061554-ijg5uwg2val9hu2h
This commit is contained in:
Xavier Morel 2011-10-17 08:15:54 +02:00
parent d8c4008be3
commit 2915308f6c
1 changed files with 30 additions and 106 deletions
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136
addons/web/static/src/js/data.js
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@ -610,120 +610,44 @@ openerp.web.BufferedDataSet = openerp.web.DataSetStatic.extend({
on_default_get: function(res) {
this.last_default_get = res;
},
/**
* Makes sure this dataset has the fields_get for its model stored locally,
* so create/write methods are able to determine if written fields are m2os
* and can name_get those fields if that's the case (in order to cache a
* correct m2o value for them)
*
* @returns {$.Deferred} whether the fields_get is done executing, provides the fields_get value to its callbacks
*/
ensure_has_fields: function () {
var self = this;
if (this.fields_get) {
var d = $.Deferred();
setTimeout(function () { d.resolve(self.fields_get, true); }, 0);
return d.promise();
} else {
return self.call('fields_get', [], function (fields_get) {
self.fields_get = fields_get;
});
}
},
/**
* Relational fields may not be written in the same format they are read.
*
* Since the BufferedDataSet is a bit dumb, it returns what it's got stored
* in its cache, which for modified value is what it was given. This breaks
* some basic contracts of openerp such as m2o read being in the
* ``name_get`` format.
*
* Because create & write are supposed to be asynchronous, though, it
* should be easy to just name_get all incorrect values.
*
* @param {Object} data form-data to write to the cache
* @returns {$.Deferred} resolved with a fixed data dictionary
*/
fix_relational: function (data) {
var self = this;
var results = $.Deferred();
this.ensure_has_fields().then(function (fields) {
var fields_to_fix = _(fields).chain()
.map(function (d, k) { return {key: k, descriptor: d}; })
.filter(function (field) {
// keep m2o fields which are in the data dict
return field.descriptor.type === 'many2one' &&
data[field.key];
}).pluck('key')
.value();
var name_gets = _(fields_to_fix).map(function (field) {
return new openerp.web.DataSet(self, self.fields_get[field].relation)
.name_get([data[field]], null);
});
// null-concat forces stupid bastard `when` to always return an
// array containing the Array-ified results of all the name_gets.
// otherwise, if there's a single field to fix it returns the
// results of the unique name_get directly.
$.when.apply(null, name_gets.concat([null])).then(function () {
var record = _.extend({}, data);
for(var i=0; i<fields_to_fix.length; ++i) {
// Each argument is [[name_get], success, jqXhr] and we
// want just the name_get pair
record[fields_to_fix[i]] = arguments[i][0][0];
}
results.resolve(record);
});
});
return results;
},
create: function(data, callback, error_callback) {
var self = this;
var cached = {id:_.uniqueId(this.virtual_id_prefix), values: data,
defaults: this.last_default_get};
this.to_create.push(_.extend(_.clone(cached), {values: _.clone(cached.values)}));
this.cache.push(cached);
this.on_change();
var prom = $.Deferred().then(callback);
this.fix_relational(data).then(function (fixed_m2o_data) {
var cached = {
id:_.uniqueId(self.virtual_id_prefix),
values: fixed_m2o_data,
defaults: self.last_default_get
};
self.to_create.push(_.extend(_.clone(cached), {
values: _.clone(data)}));
self.cache.push(cached);
self.on_change();
prom.resolve({result: cached.id});
});
prom.resolve({result: cached.id});
return prom.promise();
},
write: function (id, data, options, callback) {
var self = this;
var to_return = $.Deferred().then(callback);
this.fix_relational(data).then(function (fixed_m2o_data) {
var record = _.detect(self.to_create, function(x) {return x.id === id;});
record = record || _.detect(self.to_write, function(x) {return x.id === id;});
var dirty = false;
if (record) {
for (var k in data) {
if (record.values[k] === undefined || record.values[k] !== data[k]) {
dirty = true;
break;
}
var record = _.detect(this.to_create, function(x) {return x.id === id;});
record = record || _.detect(this.to_write, function(x) {return x.id === id;});
var dirty = false;
if (record) {
for (var k in data) {
if (record.values[k] === undefined || record.values[k] !== data[k]) {
dirty = true;
break;
}
_.extend(record.values, data);
} else {
dirty = true;
record = {id: id, values: data};
self.to_write.push(record);
}
var cached = _.detect(self.cache, function(x) {return x.id === id;});
if (!cached) {
cached = {id: id, values: {}};
this.cache.push(cached);
}
_.extend(cached.values, fixed_m2o_data);
if (dirty)
self.on_change();
to_return.resolve({result: true});
});
$.extend(record.values, data);
} else {
dirty = true;
record = {id: id, values: data};
self.to_write.push(record);
}
var cached = _.detect(this.cache, function(x) {return x.id === id;});
if (!cached) {
cached = {id: id, values: {}};
this.cache.push(cached);
}
$.extend(cached.values, record.values);
if (dirty)
this.on_change();
var to_return = $.Deferred().then(callback);
to_return.resolve({result: true});
return to_return.promise();
},
unlink: function(ids, callback, error_callback) {