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