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//
// InfographicViewController.m
// Volta
//
// Created by Ronny Fenrich on 2013-06-18.
// Copyright (c) 2013 Decoder. All rights reserved.
//
#import "InfographicViewController.h"
#import "StatsTabBarController.h"
#import "VoltaReading.h"
@interface InfographicViewController ()<UIWebViewDelegate>
@property (weak, nonatomic) IBOutlet UIWebView *webView;
@end
@implementation InfographicViewController
- (void)viewDidLoad
{
[super viewDidLoad];
NSString *resourcePath = [[[[NSBundle mainBundle] resourcePath] stringByReplacingOccurrencesOfString:@"/" withString:@"//"]
stringByReplacingOccurrencesOfString:@" " withString:@"%20"];
NSString *markup = [NSString stringWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"]
encoding:NSUTF8StringEncoding
error:nil];
dispatch_async(dispatch_get_main_queue(), ^{
[self.webView loadHTMLString:markup baseURL:[NSURL URLWithString:[NSString stringWithFormat:@"file:/%@//", resourcePath]]];
});
self.webView.alpha = 0.0;
}
- (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];
// calc totals...
StatsTabBarController *parentTabBarController = (StatsTabBarController *)self.parentViewController;
float totalkWh = 0.0f;
float totalCost = 0.0f;
for (VoltaReading *reading in parentTabBarController.data.allValues)
{
float kWh = reading.usage / 1000.0f;
float cost = reading.cost / 100000.0f;
totalkWh += kWh;
totalCost += cost;
}
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:@"updateData(%.2f, %.2f)", totalkWh, totalCost]];
[self.webView fadeIn];
});
}
#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
{
return YES;
}
- (void)webViewDidFinishLoad:(UIWebView *)theWebView
{
// scroll to the top
[self.webView.scrollView setContentOffset:CGPointMake(0, 0)];
}
- (void)webViewDidStartLoad:(UIWebView *)theWebView
{
}
@end
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