Merge pull request #93 from sbhhbs/master

able to customize text on no data label

Author: Boris-Em

BEMSimpleLineGraph.podspec.json

@@ -0,0 +1,30 @@
+{
+  "name": "BEMSimpleLineGraph",
+  "version": "3.3",
+  "summary": "Elegant Line Graphs for iOS (charting library)",
+  "description": "BEMSimpleLineGraph lets you create highly customizable line graphs / charts for iOS.",
+  "homepage": "https://github.com/Boris-Em/BEMSimpleLineGraph",
+  "screenshots": [
+    "http://s27.postimg.org/txboc1peb/BEMSimple_Line_Graph_Main.png",
+    "http://s21.postimg.org/3lkbvgp53/GIF_Touch_Report.gif"
+  ],
+  "license": {
+    "type": "MIT",
+    "file": "LICENSE"
+  },
+  "authors": {
+    "Boris Emorine": "[email protected]"
+  },
+  "platforms": {
+    "ios": "6.0"
+  },
+  "requires_arc": true,
+  "source": {
+    "git": "https://github.com/Boris-Em/BEMSimpleLineGraph.git",
+    "tag": "v3.2"
+  },
+  "source_files": [
+    "Classes",
+    "Classes/**/*.{h,m}"
+  ]
+}

Classes/BEMSimpleLineGraphView.h

@@ -362,6 +362,11 @@
  @return The boolean value indicating the availability of the NO DATA label. */
 - (BOOL)noDataLabelEnableForLineGraph:(BEMSimpleLineGraphView *)graph;
 
+/** Optional method to control the text to be displayed on NO DATA label
+ @param graph The graph object for the NO DATA label
+ @return The text to show on the NO DATA label. */
+- (NSString *)noDataLabelTextForLineGraph:(BEMSimpleLineGraphView *)graph;
+
 /** Optional method to set the static padding distance between the graph line and the whole graph
  @param graph The graph object requesting the padding value.
  @return The padding value of the graph. */

Classes/BEMSimpleLineGraphView.m

@@ -222,7 +222,12 @@ - (void)layoutNumberOfPoints {
         self.noDataLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.viewForBaselineLayout.frame.size.width, self.viewForBaselineLayout.frame.size.height)];
         self.noDataLabel.backgroundColor = [UIColor clearColor];
         self.noDataLabel.textAlignment = NSTextAlignmentCenter;
-        self.noDataLabel.text = @"No Data";
+        NSString *noDataText;
+        if ([self.delegate respondsToSelector:@selector(noDataLabelTextForLineGraph:)])
+        {
+            noDataText = [self.delegate noDataLabelTextForLineGraph:self];
+        }
+        self.noDataLabel.text = noDataText ?: NSLocalizedString(@"No Data", nil);
         self.noDataLabel.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:15];
         self.noDataLabel.textColor = self.colorLine;
         [self.viewForBaselineLayout addSubview:self.noDataLabel];