Streamlined interface.

Author: michalkonturek

GraphKit/Example/ExampleBarGraphVC.m

@@ -32,10 +32,10 @@ - (void)viewDidLoad {
 //    self.graphView.barWidth = 22;
 //    self.graphView.barHeight = 140;
 //    self.graphView.marginBar = 25;
-    self.graphView.dataSource = self;
 
-    [self.graphView construct];
     self.graphView.animationDuration = 2.0;
+    self.graphView.dataSource = self;
+    
     [self.graphView draw];
 
     self.green = YES;

Source/BarGraph/GKBarGraph.h

@@ -25,10 +25,10 @@
 @property (nonatomic, assign) CGFloat barWidth;
 @property (nonatomic, assign) CGFloat marginBar;
 
-- (instancetype)redraw;
-- (instancetype)construct;
-- (instancetype)draw;
-- (instancetype)reset;
+- (void)draw;
+//- (void)construct;
+//- (instancetype)draw;
+- (void)reset;
 
 @end
 

Source/BarGraph/GKBarGraph.m

@@ -65,28 +65,28 @@ - (void)setBarColor:(UIColor *)color {
     }];
 }
 
-- (instancetype)redraw {
-    return [[self construct] draw];
+- (void)draw {
+    [self construct];
+    [self _drawBars];
 }
 
-- (instancetype)construct {
+- (void)construct {
     NSAssert(self.dataSource, @"GKBarGraph : No data source is assgined.");
 
-    [self _construct];
-    [self _positionBars];
-    [self _positionLabels];
-    
-    return self;
-}
-
-- (void)_construct {
     if ([self _hasBars]) [self _removeBars];
     if ([self _hasLabels]) [self _removeLabels];
 
     [self _constructBars];
     [self _constructLabels];
+    
+    [self _positionBars];
+    [self _positionLabels];
 }
 
+//- (void)_construct {
+//
+//}
+
 - (BOOL)_hasBars {
     return ![self.bars mk_isEmpty];
 }
@@ -186,7 +186,7 @@ - (void)_positionLabels {
     }];
 }
 
-- (instancetype)draw {
+- (void)_drawBars {
     __block NSInteger idx = 0;
     id source = self.dataSource;
     [self.bars mk_each:^(GKBar *item) {
@@ -202,14 +202,12 @@ - (instancetype)draw {
         item.percentage = [[source valueForBarAtIndex:idx] doubleValue];
         idx++;
     }];
-    return self;
 }
 
-- (instancetype)reset {
+- (void)reset {
     [self.bars mk_each:^(GKBar *item) {
         [item reset];
     }];
-    return self;
 }
 
 @end