Added demos for the data module

build.xml

@@ -563,7 +563,7 @@
 
     <!-- This target is only run if there are unused variables. -->
     <target name="lint" depends="do-lint" if="lint.variable.error">
-        <echo message="Warning: undefined or unused variables exist. Run 'start build/lintreport.html'."/>
+        <echo message="Warning: undefined or unused variables exist. Open 'build/lintreport.html' and search for 'Undefined variable' and 'Unused variable'."/>
     </target>
 
     <!-- Runs jslint on parts in order to make it easier to find the error by file and line number. -->

js/modules/data.src.js

@@ -24,8 +24,9 @@
  * - complete : Function(chartOptions)
  * The callback that is evaluated when the data is finished loading, optionally from an 
  * external source, and parsed. The first argument passed is a finished chart options
- * object, containing series and an xAxis with categories if applicable. Thise options
- * can be extended with additional options and passed directly to the chart constructor.
+ * object, containing the series. Thise options
+ * can be extended with additional options and passed directly to the chart constructor. This is 
+ * related to the parsed callback, that goes in at an earlier stage.
  *
  * - csv : String
  * A comma delimited string to be parsed. Related options are startRow, endRow, startColumn
@@ -57,7 +58,9 @@
  *
  * - parsed : Function
  * A callback function to access the parsed columns, the two-dimentional input data
- * array directly, before they are interpreted into series data and categories.
+ * array directly, before they are interpreted into series data and categories. See also
+ * the complete callback, that goes in on a later stage where the raw columns are interpreted
+ * into a Highcharts option structure.
  *
  * - parseDate : Function
  * A callback function to parse string representations of dates into JavaScript timestamps.
@@ -339,7 +342,7 @@
 				headerRow = null;
 			}
 		});
-		this.headerRow = 0;			
+		this.headerRow = 0;
 	},
 
 	/**
@@ -576,18 +579,27 @@
 	// Extend Chart.init so that the Chart constructor accepts a new configuration
 	// option group, data.
 	Highcharts.wrap(Highcharts.Chart.prototype, 'init', function (proceed, userOptions, callback) {
-		var chart = this;
+		var chart = this,
+			completeOption;
 
 		if (userOptions && userOptions.data) {
+			completeOption = userOptions.data.complete;
 			Highcharts.data(Highcharts.extend(userOptions.data, {
 				complete: function (dataOptions) {
+					var i, series;
+
+					if (completeOption) {
+						completeOption(dataOptions);
+					}
 
 					// Merge series configs
 					if (userOptions.hasOwnProperty('series')) {
 						if (typeof userOptions.series === 'object') {
-							each(userOptions.series, function (series, i) {
+							i = Math.max(userOptions.series.length, dataOptions.series.length);
+							while (i--) {
+								series = userOptions.series[i] || {};
 								userOptions.series[i] = Highcharts.merge(series, dataOptions.series[i]);
-							});
+							}
 						} else { // Allow merging in dataOptions.series (#2856)
 							delete userOptions.series;
 						}