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/**
* CartesianChart class for the YUI Charts widget.
*
* @namespace YAHOO.widget
* @class CartesianChart
* @uses YAHOO.widget.Chart
* @constructor
* @param type {String} The char type. May be "line", "column", or "bar"
* @param containerId {HTMLElement} Container element for the Flash Player instance.
* @param dataSource {YAHOO.util.DataSource} DataSource instance.
* @param attributes {object} (optional) Object literal of configuration values.
*/
YAHOO.widget.CartesianChart = function(type, containerId, dataSource, attributes)
{
YAHOO.widget.CartesianChart.superclass.constructor.call(this, type, containerId, dataSource, attributes);
};
YAHOO.lang.extend(YAHOO.widget.CartesianChart, YAHOO.widget.Chart,
{
/**
* Stores a reference to the xAxis labelFunction created by
* YAHOO.widget.FlashAdapter.createProxyFunction()
* @property _xAxisLabelFunction
* @type String
* @private
*/
_xAxisLabelFunction: null,
/**
* Stores a reference to the yAxis labelFunction created by
* YAHOO.widget.FlashAdapter.createProxyFunction()
* @property _yAxisLabelFunction
* @type String
* @private
*/
_yAxisLabelFunction: null,
destroy: function()
{
//remove proxy functions
if(this._xAxisLabelFunction)
{
YAHOO.widget.FlashAdapter.removeProxyFunction(this._xAxisLabelFunction);
this._xAxisLabelFunction = null;
}
if(this._yAxisLabelFunction)
{
YAHOO.widget.FlashAdapter.removeProxyFunction(this._yAxisLabelFunction);
this._yAxisLabelFunction = null;
}
//call last
YAHOO.widget.CartesianChart.superclass.destroy.call(this);
},
/**
* Initializes the attributes.
*
* @method _initAttributes
* @private
*/
_initAttributes: function(attributes)
{
YAHOO.widget.CartesianChart.superclass._initAttributes.call(this, attributes);
/**
* @attribute xField
* @description The field in each item that corresponds to a value on the x axis.
* @type String
*/
this.getAttributeConfig("xField",
{
method: this._getXField
});
this.setAttributeConfig("xField",
{
validator: YAHOO.lang.isString,
method: this._setXField
});
/**
* @attribute yField
* @description The field in each item that corresponds to a value on the x axis.
* @type String
*/
this.getAttributeConfig("yField",
{
method: this._getYField
});
this.setAttributeConfig("yField",
{
validator: YAHOO.lang.isString,
method: this._setYField
});
/**
* @attribute xAxis
* @description A custom configuration for the horizontal x axis.
* @type Axis
*/
this.setAttributeConfig("xAxis",
{
method: this._setXAxis
});
/**
* @attribute yAxis
* @description A custom configuration for the vertical y axis.
* @type Axis
*/
this.setAttributeConfig("yAxis",
{
method: this._setYAxis
});
},
/**
* Getter for the xField attribute.
*
* @method _getXField
* @private
*/
_getXField: function()
{
return this._swf.getHorizontalField();
},
/**
* Setter for the xField attribute.
*
* @method _setXField
* @private
*/
_setXField: function(value)
{
this._swf.setHorizontalField(value);
},
/**
* Getter for the yField attribute.
*
* @method _getYField
* @private
*/
_getYField: function()
{
return this._swf.getVerticalField();
},
/**
* Setter for the yField attribute.
*
* @method _setYField
* @private
*/
_setYField: function(value)
{
this._swf.setVerticalField(value);
},
/**
* Setter for the xAxis attribute.
*
* @method _setXAxis
* @private
*/
_setXAxis: function(value)
{
if(this._xAxisLabelFunction !== null)
{
YAHOO.widget.FlashAdapter.removeProxyFunction(this._xAxisLabelFunction);
this._xAxisLabelFunction = null;
}
var clonedXAxis = {};
for(var prop in value)
{
if(prop == "labelFunction")
{
if(value.labelFunction !== null)
{
if(typeof value.labelFunction == "function")
{
clonedXAxis.labelFunction = YAHOO.widget.FlashAdapter.createProxyFunction(value.labelFunction);
}
else
{
clonedXAxis.labelFunction = value.labelFunction;
}
this._xAxisLabelFunction = clonedXAxis.labelFunction;
}
}
else
{
clonedXAxis[prop] = value[prop];
}
}
this._swf.setHorizontalAxis(clonedXAxis);
},
/**
* Getter for the yAxis attribute.
*
* @method _setYAxis
* @private
*/
_setYAxis: function(value)
{
if(this._yAxisLabelFunction !== null)
{
YAHOO.widget.FlashAdapter.removeProxyFunction(this._yAxisLabelFunction);
this._yAxisLabelFunction = null;
}
var clonedYAxis = {};
for(var prop in value)
{
if(prop == "labelFunction")
{
if(value.labelFunction !== null)
{
if(typeof value.labelFunction == "function")
{
clonedYAxis.labelFunction = YAHOO.widget.FlashAdapter.createProxyFunction(value.labelFunction);
}
else
{
clonedYAxis.labelFunction = value.labelFunction;
}
this._yAxisLabelFunction = clonedYAxis.labelFunction;
}
}
else
{
clonedYAxis[prop] = value[prop];
}
}
this._swf.setVerticalAxis(clonedYAxis);
}
});