add some functions that can set title and legend's frame

pyanfield · Mar 4, 2013 · c5200e1 · c5200e1
1 parent b08140e
commit c5200e1
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Showing 3 changed files with 21 additions and 3 deletions.
diff --git a/WSCharts/Global/WSBaseChartView.h b/WSCharts/Global/WSBaseChartView.h
@@ -100,6 +100,10 @@
 @property (nonatomic) BOOL showZeroValueOnXAxis;
 //coordinate view's origianl point , that bottom left of that frame.
 @property (nonatomic) CGPoint coordinateOriginalPoint;
+// the chart's title's position and size
+@property (nonatomic) CGRect titleFrame;
+// the legend's frame
+@property (nonatomic) CGRect legendFrame;
 
 
 - (void)drawChart:(NSArray*)arr withColor:(NSDictionary*)dict;

diff --git a/WSCharts/Global/WSBaseChartView.m b/WSCharts/Global/WSBaseChartView.m
@@ -67,6 +67,8 @@ @implementation WSBaseChartView
 @synthesize rowDistance = _rowDistance;
 @synthesize showZeroValueOnYAxis = _showZeroValueOnYAxis;
 @synthesize showZeroValueOnXAxis = _showZeroValueOnXAxis;
+@synthesize titleFrame = _titleFrame;
+@synthesize legendFrame = _legendFrame;
 
 
 - (id)initWithFrame:(CGRect)frame
@@ -98,6 +100,8 @@ - (id)initWithFrame:(CGRect)frame
         self.showZeroValueOnXAxis = NO;
         self.xAxisName = @"";
         self.yAxisName = @"";
+        _titleFrame = CGRectZero;
+        _legendFrame = CGRectZero;
     }
     return self;
 }
@@ -121,7 +125,11 @@ - (void)drawChart:(NSArray *)arr withColor:(NSDictionary *)dict
     titleLayer.fontSize = TITLE_FONT_SIZE;
     UIFont *helveticated = [UIFont fontWithName:@"HelveticaNeue-Bold" size:TITLE_FONT_SIZE];
     CGSize size = [self.title sizeWithFont:helveticated];
-    titleLayer.frame = CGRectMake(COORDINATE_LEFT_GAP/2, COORDINATE_TOP_GAP/2, size.width, size.height);
+    if (CGRectEqualToRect(self.titleFrame, CGRectZero)) {
+        titleLayer.frame = CGRectMake(COORDINATE_LEFT_GAP/2, COORDINATE_TOP_GAP/2, size.width, size.height);
+    }else{
+        titleLayer.frame = self.titleFrame;
+    }
 
     // add the lengedn layer
     __block int flag = 0;
@@ -134,8 +142,12 @@ - (void)drawChart:(NSArray *)arr withColor:(NSDictionary *)dict
         flag++;
         legendWidth = legendWidth > layer.frame.size.width ? legendWidth : layer.frame.size.width;
     }];
-    legendLayer.frame = CGRectMake(self.bounds.size.width - legendWidth - COORDINATE_LEFT_GAP, 20.0, legendWidth, self.frame.size.height);
-
+    if (CGRectEqualToRect(self.legendFrame, CGRectZero)) {
+        legendLayer.frame = CGRectMake(self.bounds.size.width - legendWidth - COORDINATE_LEFT_GAP, 20.0, legendWidth, self.frame.size.height);
+    }else{
+        legendLayer.frame = self.legendFrame;
+    }
+
     // carefully about the adding order
     [self manageAllLayersOrder];
 }

diff --git a/WSChartsDemo/WSChartsDemo/ViewController.m b/WSChartsDemo/WSChartsDemo/ViewController.m
@@ -171,6 +171,8 @@ - (void)createLineChart
     lineChart.rowWidth = 20.0;
     lineChart.title = @"Pyanfield's Line Chart";
     lineChart.showZeroValueOnYAxis = YES;
+    //lineChart.titleFrame = CGRectMake(0.0, 0.0, 400, 50);
+    //lineChart.legendFrame = CGRectMake(0.0, 0.0, 400, 400);
     [lineChart drawChart:arr withColor:colorDict];
     lineChart.backgroundColor = [UIColor blackColor];
     [self.chartView addSubview:lineChart];