hedera-web/js/db/iterator.js

135 lines
2.2 KiB
JavaScript

var Model = require ('./model');
module.exports = new Class
({
Properties:
{
/**
* The model associated to this form.
**/
model:
{
type: Model
},
/**
* The row where the form positioned, has -1 if the row is unselected.
**/
row:
{
type: Number
},
/**
* The number of rows in the form.
**/
numRows:
{
type: Number
},
/**
* Checks if the form data is ready.
**/
ready:
{
type: Boolean
}
}
,_model: null
,_row: -1
,refresh: function ()
{
if (this._model)
this._model.refresh ();
}
/**
* Emits the 'iter-changed' signal on the form.
**/
,iterChanged: function ()
{
this.signalEmit ('iter-changed');
}
/**
* Get the index of the column from its name.
*
* @param {String} columnName The column name
* @return {integer} The column index or -1 if column not exists
**/
,getColumnIndex: function (columnName)
{
if (this._model)
return this._model.getColumnIndex (columnName);
return -1;
}
,insertRow: function ()
{
if (this._model)
this.row = this._model.insertRow ();
}
,performOperations: function ()
{
if (this._model)
this._model.performOperations ();
}
/**
* Removes the current row.
**/
,deleteRow: function ()
{
if (this._row >= 0)
this._model.deleteRow (this._row);
}
/**
* Gets a value from the form.
*
* @param {String} columnName The column name
* @return {Object} The value
**/
,get: function (columnName)
{
return this._model.get (this._row, columnName);
}
/**
* Sets a value on the form.
*
* @param {String} columnName The column name
* @param {Object} value The new value
**/
,set: function (columnName, value)
{
return this._model.set (this._row, columnName, value);
}
/**
* Gets a value from the form using the column index.
*
* @param {String} columnName The column index
* @return {Object} The value
**/
,getByIndex: function (column)
{
return this._model.getByIndex (this._row, column);
}
/**
* Sets a value on the form using the column index.
*
* @param {String} columnName The column index
* @param {Object} value The new value
**/
,setByIndex: function (column, value)
{
return this._model.setByIndex (this._row, column, value);
}
});