Added support for setting a custom width that is wider than the longe…

Charts/Classes/Charts/BarLineChartViewBase.swift

@@ -1514,6 +1514,33 @@ public class BarLineChartViewBase: ChartViewBase, UIGestureRecognizerDelegate
     /// returns true if autoScaleMinMax is enabled, false if no
     /// :default: false
     public var isAutoScaleMinMaxEnabled : Bool { return autoScaleMinMaxEnabled; }
+
+
+    /// Sets a custom width to the specified y axis.
+    public func setXAxisWidth(which: ChartYAxis.AxisDependency, width: CGFloat)
+    {
+        if (which == .Left)
+        {
+            _leftAxis.setCustomWidth(width);
+        }
+        else
+        {
+            _rightAxis.setCustomWidth(width);
+        }
+    }
+
+    /// Returns the width of the specified y axis.
+    public func getXAxisWidth(which: ChartYAxis.AxisDependency) -> CGFloat
+    {
+        if (which == .Left)
+        {
+            return _leftAxis.requiredSize().width;
+        }
+        else
+        {
+            return _rightAxis.requiredSize().width;
+        }
+    }
 }
 
 /// Default formatter that calculates the position of the filled line.

Charts/Classes/Components/ChartYAxis.swift

@@ -89,6 +89,9 @@ public class ChartYAxis: ChartAxisBase
     /// the side this axis object represents
     private var _axisDependency = AxisDependency.Left
 
+    /// the width the axis should take
+    private var _customWidth = CGFloat(0);
+
     public override init()
     {
         super.init();
@@ -158,6 +161,7 @@ public class ChartYAxis: ChartAxisBase
         var size = label.sizeWithAttributes([NSFontAttributeName: labelFont]);
         size.width += xOffset * 2.0;
         size.height += yOffset * 2.0;
+        size.width = max(_customWidth, size.width);
         return size;
     }
 
@@ -202,6 +206,12 @@ public class ChartYAxis: ChartAxisBase
         }
     }
 
+    /// Sets a custom width to the axis that can be bigger than the requried size of the longest label. Note: narrower axis widths are not supported.
+    public func setCustomWidth(width: CGFloat)
+    {
+        _customWidth = width;
+    }
+
     public var isInverted: Bool { return inverted; }
 
     public var isStartAtZeroEnabled: Bool { return startAtZeroEnabled; }