Terry Worona
131 lines
4.0 KiB
Objective-C
131 lines
4.0 KiB
Objective-C
//
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// JBBaseChartViewController.m
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// JBChartViewDemo
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//
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// Created by Terry Worona on 3/13/14.
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// Copyright (c) 2014 Jawbone. All rights reserved.
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//
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#import "JBBaseChartViewController.h"
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// Views
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#import "JBChartTooltipTipView.h"
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// Numerics
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CGFloat const kJBBaseChartViewControllerAnimationDuration = 0.25f;
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@interface JBBaseChartViewController ()
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@property (nonatomic, strong) JBChartTooltipView *tooltipView;
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@property (nonatomic, strong) JBChartTooltipTipView *tooltipTipView;
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@end
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@implementation JBBaseChartViewController
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#pragma mark - Setters
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- (void)setTooltipVisible:(BOOL)tooltipVisible animated:(BOOL)animated atTouchPoint:(CGPoint)touchPoint
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{
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_tooltipVisible = tooltipVisible;
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JBChartView *chartView = [self chartView];
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if (!chartView)
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{
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return;
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}
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if (!self.tooltipView)
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{
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self.tooltipView = [[JBChartTooltipView alloc] init];
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self.tooltipView.alpha = 0.0;
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[self.view addSubview:self.tooltipView];
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}
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if (!self.tooltipTipView)
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{
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self.tooltipTipView = [[JBChartTooltipTipView alloc] init];
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self.tooltipTipView.alpha = 0.0;
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[self.view addSubview:self.tooltipTipView];
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}
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dispatch_block_t adjustTooltipPosition = ^{
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CGPoint originalTouchPoint = [self.view convertPoint:touchPoint fromView:chartView];
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CGPoint convertedTouchPoint = originalTouchPoint; // modified
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JBChartView *chartView = [self chartView];
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if (chartView)
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{
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CGFloat minChartX = (chartView.frame.origin.x + ceil(self.tooltipView.frame.size.width * 0.5));
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if (convertedTouchPoint.x < minChartX)
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{
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convertedTouchPoint.x = minChartX;
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}
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CGFloat maxChartX = (chartView.frame.origin.x + chartView.frame.size.width - ceil(self.tooltipView.frame.size.width * 0.5));
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if (convertedTouchPoint.x > maxChartX)
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{
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convertedTouchPoint.x = maxChartX;
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}
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self.tooltipView.frame = CGRectMake(convertedTouchPoint.x - ceil(self.tooltipView.frame.size.width * 0.5), CGRectGetMaxY(chartView.headerView.frame), self.tooltipView.frame.size.width, self.tooltipView.frame.size.height);
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CGFloat minTipX = (chartView.frame.origin.x + self.tooltipTipView.frame.size.width);
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if (originalTouchPoint.x < minTipX)
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{
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originalTouchPoint.x = minTipX;
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}
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CGFloat maxTipX = (chartView.frame.origin.x + chartView.frame.size.width - self.tooltipTipView.frame.size.width);
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if (originalTouchPoint.x > maxTipX)
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{
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originalTouchPoint.x = maxTipX;
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}
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self.tooltipTipView.frame = CGRectMake(originalTouchPoint.x - ceil(self.tooltipTipView.frame.size.width * 0.5), CGRectGetMaxY(self.tooltipView.frame), self.tooltipTipView.frame.size.width, self.tooltipTipView.frame.size.height);
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}
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};
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dispatch_block_t adjustTooltipVisibility = ^{
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self.tooltipView.alpha = _tooltipVisible ? 1.0 : 0.0;
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self.tooltipTipView.alpha = _tooltipVisible ? 1.0 : 0.0;
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};
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if (tooltipVisible)
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{
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adjustTooltipPosition();
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}
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if (animated)
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{
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[UIView animateWithDuration:kJBBaseChartViewControllerAnimationDuration animations:^{
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adjustTooltipVisibility();
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} completion:^(BOOL finished) {
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if (!tooltipVisible)
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{
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adjustTooltipPosition();
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}
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}];
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}
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else
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{
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adjustTooltipVisibility();
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}
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}
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- (void)setTooltipVisible:(BOOL)tooltipVisible animated:(BOOL)animated
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{
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[self setTooltipVisible:tooltipVisible animated:animated atTouchPoint:CGPointZero];
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}
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- (void)setTooltipVisible:(BOOL)tooltipVisible
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{
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[self setTooltipVisible:tooltipVisible animated:NO];
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}
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#pragma mark - Getters
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- (JBChartView *)chartView
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{
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// Subclasses should return chart instance for tooltip functionality
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return nil;
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}
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@end
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