forked from verdnatura/hedera-web
76 lines
1.3 KiB
JavaScript
76 lines
1.3 KiB
JavaScript
|
|
||
|
|
var Lot = require('./lot');
|
||
|
|
var IteratorIface = require('./iterator-iface');
|
||
|
|
var ModelIface = require('./model-iface');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A light iterator for models. It assumes that its row and model properties
|
||
|
|
* are always valid.
|
||
|
|
*/
|
||
|
|
module.exports = new Class({
|
||
|
|
Extends: Lot
|
||
|
|
,Implements: IteratorIface
|
||
|
|
,Properties: {
|
||
|
|
model: {
|
||
|
|
type: ModelIface
|
||
|
|
,set: function(x) {
|
||
|
|
this._model = x;
|
||
|
|
}
|
||
|
|
,get: function() {
|
||
|
|
return this._model;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
row: {
|
||
|
|
type: Number
|
||
|
|
,set: function(x) {
|
||
|
|
this._row = x;
|
||
|
|
this.rowChanged();
|
||
|
|
}
|
||
|
|
,get: function() {
|
||
|
|
return this._row;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
numRows: {
|
||
|
|
type: Number
|
||
|
|
,get: function() {
|
||
|
|
return this._model ?
|
||
|
|
this._model.numRows : 0;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
ready: {
|
||
|
|
type: Boolean
|
||
|
|
,get: function() {
|
||
|
|
return this._model ?
|
||
|
|
this._model.ready : false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
,_model: null
|
||
|
|
|
||
|
|
,initialize: function(props) {
|
||
|
|
Object.assign(this, {
|
||
|
|
_row: -1
|
||
|
|
,_rowLock: false
|
||
|
|
});
|
||
|
|
this.parent(props);
|
||
|
|
}
|
||
|
|
|
||
|
|
,_paramsChanged: function(diff) {
|
||
|
|
if (!this._rowLock)
|
||
|
|
for (var key in diff)
|
||
|
|
this._model.set(this._row, key, diff[key]);
|
||
|
|
}
|
||
|
|
|
||
|
|
,rowChanged: function() {
|
||
|
|
var row;
|
||
|
|
|
||
|
|
if (this._model)
|
||
|
|
row = this._model.getObject(this._row);
|
||
|
|
|
||
|
|
this._rowLock = true;
|
||
|
|
this.params = row != null ? row : {};
|
||
|
|
this._rowLock = false;
|
||
|
|
}
|
||
|
|
});
|