Move lines

Gruntfile.coffee

@@ -57,6 +57,7 @@ module.exports = (grunt) ->
               'src/callbacks.js',
               'src/class.js',
               'src/util.js',
+              'src/lines.js',
               'src/api.focus.js',
               'src/api.title.js',
               'src/api.show.js',

src/api.load.js

@@ -114,3 +114,10 @@ c3_chart_fn.getValue = function(id, i){
     return t.values[i].value;
 
 };
+c3.chart.fn.update_x = function(x){
+    var $$ = this.internal;
+
+    $$.api.x(copyArray(x));
+
+    $$.tuneAxis();
+};

src/lines.js

@@ -18,7 +18,7 @@ c3.chart.internal.fn.getLineCoordsForBar = function(center, order){
 
     var x1, x2, y1, y2;
 
-    if(utils.isSub($$.config.ed3Type)){
+    if(isSub($$.config.ed3Type)){
 
         $$.ed3Config.subBox = $$.getBox($$.main.selectAll(".sub-chart .c3-chart-bars"));
 
@@ -88,7 +88,7 @@ c3.chart.internal.fn.getLineCoordsForPie = function(center, order){
 
     var x1, x2, y1, y2;
 
-    if(utils.isSub($$.config.ed3Type)){
+    if(isSub($$.config.ed3Type)){
 
         if(!$$.ed3Config.coords) return;
 
@@ -189,7 +189,7 @@ c3.chart.internal.fn.redrawLines = function(){
         line = main.selectAll(".lineForSubChart").filter(function(d, i){ return i === 0; });
     }
 
-    center = $$.getCenter(main.selectAll('.c3-chart'));
+    var center = $$.getCenter(main.selectAll('.c3-chart'));
 
     var coords;
 

src/util.js

@@ -52,5 +52,55 @@ var isValue = c3_chart_internal_fn.isValue = function (v) {
     },
     toDegrees = function(radians){
         return radians * (180 / Math.PI);
+    },
+    isSub = function(type){
+        if(!type){
+            return false;
+        }
+        return type.indexOf("sub") > -1;
+    },
+    copyObject = function(oldObj){
+        var newObj = {};
+        for(var key in oldObj){
+            if(oldObj.hasOwnProperty(key)){
+                newObj[key] = oldObj[key];
+            }
+        }
+        return newObj;
+    },
+    copyArray = function(oldArray){
+        var newArray = [];
+
+        oldArray.forEach(function(elem){
+            if(typeof elem === 'function'){
+                newArray.push(copyFunction(elem));
+            } else if(Array.isArray(elem)){
+                newArray.push(copyArray(elem));
+            } else if(typeof elem === 'object'){
+                newArray.push(copyObject(elem));
+            } else {
+                newArray.push(elem);
+            }
+        });
+
+        return newArray;
+    },
+    copyFunction = function(oldFunction){
+        var cloneObj = oldFunction;
+
+        if(oldFunction.__isClone) {
+            cloneObj = oldFunction.__clonedFrom;
+        }
+
+        var temp = function() { return cloneObj.apply(oldFunction, arguments); };
+
+        for(var key in oldFunction) {
+            temp[key] = oldFunction[key];
+        }
+
+        temp.__isClone = true;
+        temp.__clonedFrom = cloneObj;
+
+        return temp;
     };