added Graph

better icon

1 files changed, 214 insertions, 0 deletions

diff --git a/Volta/Views/GraphViewController.m b/Volta/Views/GraphViewController.m
new file mode 100644
index 0000000..44bf103
--- /dev/null
+++ b/Volta/Views/GraphViewController.m
@@ -0,0 +1,214 @@
+//
+//  GraphViewController.m
+//  Volta
+//
+//  Created by Ronny Fenrich on 2013-06-17.
+//  Copyright (c) 2013 Decoder. All rights reserved.
+//
+
+#import "GraphViewController.h"
+#import "StatsTabBarController.h"
+#import "VoltaReading.h"
+
+
+@interface GraphViewController ()<UIWebViewDelegate>
+
+@property (weak, nonatomic) IBOutlet UIWebView *webView;
+
+@end
+
+@implementation GraphViewController
+
+
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+
+    NSString *resourcePath = [[[[NSBundle mainBundle] resourcePath] stringByReplacingOccurrencesOfString:@"/" withString:@"//"]
+                              stringByReplacingOccurrencesOfString:@" " withString:@"%20"];
+    NSString *markup = [NSString stringWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"graph" ofType:@"html"]
+                                                 encoding:NSUTF8StringEncoding
+                                                    error:nil];
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self.webView loadHTMLString:markup baseURL:[NSURL URLWithString:[NSString stringWithFormat:@"file:/%@//", resourcePath]]];
+    });
+}
+
+
+- (void)viewDidUnload
+{
+    [self setWebView:nil];
+    [super viewDidUnload];
+}
+
+
+- (void)viewWillDisappear
+{
+    if (self.webView.loading) {
+        [self.webView stopLoading];
+    }
+}
+
+
+- (void)viewDidAppear:(BOOL)animated
+{
+    [super viewDidAppear:animated];
+    [self hideGradientBackground:self.webView];
+
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    [dateFormatter setDateFormat:@"MMM dd"];
+
+    NSString *seriesA = @"";
+    NSString *seriesB = @"";
+    StatsTabBarController *parentTabBarController = (StatsTabBarController *)self.parentViewController;
+
+    for (VoltaReading *reading in parentTabBarController.data.allValues)
+    {
+        float kWh = reading.usage / 1000.0f;
+        float cost = reading.cost / 100000.0f;
+
+        if (![seriesA isEmpty])
+        {
+            seriesA = [seriesA stringByAppendingString:@","];
+        }
+        if (![seriesB isEmpty])
+        {
+            seriesB = [seriesB stringByAppendingString:@","];
+        }
+
+        seriesA = [seriesA stringByAppendingString:[NSString stringWithFormat:@"['%@', %.2f]", [dateFormatter stringFromDate:reading.startDate], kWh]];
+        seriesB = [seriesB stringByAppendingString:[NSString stringWithFormat:@"['%@', %.2f]", [dateFormatter stringFromDate:reading.startDate], cost]];
+    }
+    seriesA = [[@"[" stringByAppendingString:seriesA] stringByAppendingString:@"]"];
+    seriesB = [[@"[" stringByAppendingString:seriesB] stringByAppendingString:@"]"];
+
+    double delayInSeconds = 0.5;
+    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
+    dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
+        [self.webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"plotData(%@, %@)", seriesA, seriesB]];
+    });
+
+}
+
+
+#pragma mark - Web View
+
+- (void)hideGradientBackground:(UIView*)theView
+{
+    for (UIView * subview in theView.subviews)
+    {
+        if ([subview isKindOfClass:[UIImageView class]])
+            subview.hidden = YES;
+
+        [self hideGradientBackground:subview];
+    }
+}
+
+- (void)webView:(UIWebView *)theWebView didFailLoadWithError:(NSError *)error
+{
+    // If the URLLoadingSystem cancelled the load don't show anything.
+    NSString *errorUrl = [error.userInfo objectForKey:@"NSErrorFailingURLStringKey"];
+    if (([error code] != NSURLErrorCancelled ) && ([[errorUrl uppercaseString] startsWith:@"HTTP"]))
+    {
+        BlockAlertView *alert = [BlockAlertView alertWithTitle:@"Connection Error" message:@"We couldn't load the web page, please check your internet connection and try again."];
+        [alert setCancelButtonWithTitle:@"Ok" block:nil];
+        [alert show];
+    }
+}
+
+
+- (BOOL)webView:(UIWebView *)theWebView shouldStartLoadWithRequest:(NSURLRequest *)theRequest navigationType:(UIWebViewNavigationType)navigationType
+{
+//    if ([[theRequest.URL absoluteString] isEqual:@"flushd://ready"])
+//    {
+//        // pass in statistic data when webview is ready...
+//        NSError *jsonError = nil;
+//        NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self.statsController.userStats
+//                                                           options:NSJSONWritingPrettyPrinted // Pass 0 if you don't care about the readability of the generated string
+//                                                             error:&jsonError];
+//        if (jsonError)
+//        {
+//            BlockAlertView *alert = [BlockAlertView alertWithTitle:@"Error" message:@"Couldn't process statistic data. Please try again later."];
+//            [alert setCancelButtonWithTitle:@"Ok" block:nil];
+//            [alert show];
+//            [self.spinner stopAnimating];
+//            [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
+//        }
+//        else
+//        {
+//            NSString *jsonStatsData = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+//            NSLog(@"%@", jsonStatsData);
+//
+//            // save world rank for later...
+//            id usersWorldRankValue = [self.statsController.userStats valueForKeyPath:@"week.global_rank"];
+//            if (usersWorldRankValue && !([usersWorldRankValue isEqual:[NSNull null]])) {
+//                self.usersWorldRank = [usersWorldRankValue integerValue];
+//            }
+//
+//
+//            dispatch_async(dispatch_get_main_queue(), ^{
+//                [self.webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"recalculateStats(%@)", jsonStatsData]];
+//            });
+//        }
+//        return NO;
+//    }
+//    else
+//        // webview is updated => present to the user now
+//        if ([[theRequest.URL absoluteString] isEqual:@"flushd://loaded"])
+//        {
+//            // slide in webview from bottom of screen now
+//            int finalWebViewPosition = self.webView.$y;
+//            self.webView.$y = [[UIScreen mainScreen] applicationFrame].size.height + 20;
+//            self.webView.hidden = NO;
+//            self.shareButton.hidden = NO;
+//
+//            [UIView animateWithDuration:0.4
+//                                  delay:0.6
+//                                options:UIViewAnimationOptionCurveEaseOut
+//                             animations:^{
+//
+//                                 self.webView.$y = finalWebViewPosition;
+//
+//                             } completion:^(BOOL finished) {
+//
+//                                 [self.spinner stopAnimating];
+//                                 [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
+//                                 self.webView.$y = finalWebViewPosition;
+//
+//                                 // new badges? trigger javascript to show alert to the user
+//                                 UIViewController *pController = self.parentViewController;
+//                                 if ([pController isKindOfClass:[FlushdCustomTabBarController class]] && [pController respondsToSelector:@selector(setStatsBadge:)])
+//                                 {
+//                                     FlushdCustomTabBarController *aFlushdTabBarController = (FlushdCustomTabBarController *)pController;
+//                                     if (aFlushdTabBarController.badgeLabel.tag > 0) {
+//                                         dispatch_async(dispatch_get_main_queue(), ^{
+//                                             [self.webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"showNewAchievementsPopup(%i)", aFlushdTabBarController.badgeLabel.tag]];
+//                                         });
+//
+//                                         // remove badges after user is looking at the stats page...
+//                                         [self removeStatsBadge];
+//                                     }
+//                                 }
+//                             }];
+//            return NO;
+//        }
+//
+
+
+    return YES;
+}
+
+- (void)webViewDidFinishLoad:(UIWebView *)theWebView
+{
+    // scroll to the top
+    [self.webView.scrollView setContentOffset:CGPointMake(0, 0)];
+}
+
+
+- (void)webViewDidStartLoad:(UIWebView *)theWebView
+{
+}
+
+
+@end