You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
337 lines
12 KiB
337 lines
12 KiB
1 year ago
|
//
|
||
|
|
// DLSlideView.m
|
||
|
|
// DLSlideController
|
||
|
|
//
|
||
|
|
// Created by Dongle Su on 14-12-7.
|
||
|
|
// Copyright (c) 2014年 dongle. All rights reserved.
|
||
|
|
//
|
||
|
|
|
||
|
|
#import "DLSlideView.h"
|
||
|
|
|
||
|
|
#define kPanSwitchOffsetThreshold 50.0f
|
||
|
|
|
||
|
|
@implementation DLSlideView{
|
||
|
|
NSInteger oldIndex_;
|
||
|
|
NSInteger panToIndex_;
|
||
|
|
UIPanGestureRecognizer *pan_;
|
||
|
|
CGPoint panStartPoint_;
|
||
|
|
|
||
|
|
UIViewController *oldCtrl_;
|
||
|
|
UIViewController *willCtrl_;
|
||
|
|
|
||
|
|
BOOL isSwitching_;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)commonInit{
|
||
|
|
oldIndex_ = -1;
|
||
|
|
isSwitching_ = NO;
|
||
|
|
|
||
|
|
pan_ = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panHandler:)];
|
||
|
|
[self addGestureRecognizer:pan_];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (id)initWithCoder:(NSCoder *)aDecoder{
|
||
|
|
if (self = [super initWithCoder:aDecoder]) {
|
||
|
|
[self commonInit];
|
||
|
|
}
|
||
|
|
return self;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (id)initWithFrame:(CGRect)frame{
|
||
|
|
if (self = [super initWithFrame:frame]) {
|
||
|
|
[self commonInit];
|
||
|
|
}
|
||
|
|
return self;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSInteger)selectedIndex{
|
||
|
|
return oldIndex_;
|
||
|
|
}
|
||
|
|
- (void)setSelectedIndex:(NSInteger)selectedIndex{
|
||
|
|
if (selectedIndex != oldIndex_) {
|
||
|
|
[self switchTo:selectedIndex];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//- (void)setViewControllers:(NSArray *)vcs{
|
||
|
|
// _viewControllers = vcs;
|
||
|
|
//}
|
||
|
|
|
||
|
|
- (void)removeOld{
|
||
|
|
[self removeCtrl:oldCtrl_];
|
||
|
|
[oldCtrl_ endAppearanceTransition];
|
||
|
|
oldCtrl_ = nil;
|
||
|
|
oldIndex_ = -1;
|
||
|
|
}
|
||
|
|
- (void)removeWill{
|
||
|
|
[willCtrl_ beginAppearanceTransition:NO animated:NO];
|
||
|
|
[self removeCtrl:willCtrl_];
|
||
|
|
[willCtrl_ endAppearanceTransition];
|
||
|
|
willCtrl_ = nil;
|
||
|
|
panToIndex_ = -1;
|
||
|
|
}
|
||
|
|
- (void)showAt:(NSInteger)index{
|
||
|
|
if (oldIndex_ != index) {
|
||
|
|
//[self removeAt:oldIndex_];
|
||
|
|
[self removeOld];
|
||
|
|
|
||
|
|
UIViewController *vc = [self.dataSource DLSlideView:self controllerAt:index];
|
||
|
|
[self.baseViewController addChildViewController:vc];
|
||
|
|
vc.view.frame = self.bounds;
|
||
|
|
[self addSubview:vc.view];
|
||
|
|
[vc didMoveToParentViewController:self.baseViewController];
|
||
|
|
oldIndex_ = index;
|
||
|
|
oldCtrl_ = vc;
|
||
|
|
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(DLSlideView:didSwitchTo:)]) {
|
||
|
|
[self.delegate DLSlideView:self didSwitchTo:index];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)removeCtrl:(UIViewController *)ctrl{
|
||
|
|
UIViewController *vc = ctrl;
|
||
|
|
[vc willMoveToParentViewController:nil];
|
||
|
|
[vc.view removeFromSuperview];
|
||
|
|
[vc removeFromParentViewController];
|
||
|
|
}
|
||
|
|
|
||
|
|
//- (void)removeAt:(int)index{
|
||
|
|
// if (oldIndex_ == index) {
|
||
|
|
// oldIndex_ = -1;
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// if (index >= 0 && index <= [self.dataSource numberOfControllersInDLSlideView:self]) {
|
||
|
|
// UIViewController *vc = [self.dataSource DLSlideView:self controllerAt:index];
|
||
|
|
// [vc willMoveToParentViewController:nil];
|
||
|
|
// [vc.view removeFromSuperview];
|
||
|
|
// [vc removeFromParentViewController];
|
||
|
|
// }
|
||
|
|
//}
|
||
|
|
- (void)switchTo:(NSInteger)index{
|
||
|
|
if (index == oldIndex_) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (isSwitching_) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (oldCtrl_ != nil && oldCtrl_.parentViewController == self.baseViewController) {
|
||
|
|
isSwitching_ = YES;
|
||
|
|
//UIViewController *oldvc = [self.dataSource DLSlideView:self controllerAt:oldIndex_];;
|
||
|
|
UIViewController *oldvc = oldCtrl_;
|
||
|
|
UIViewController *newvc = [self.dataSource DLSlideView:self controllerAt:index];
|
||
|
|
|
||
|
|
[oldvc willMoveToParentViewController:nil];
|
||
|
|
[self.baseViewController addChildViewController:newvc];
|
||
|
|
|
||
|
|
CGRect nowRect = oldvc.view.frame;
|
||
|
|
CGRect leftRect = CGRectMake(nowRect.origin.x-nowRect.size.width, nowRect.origin.y, nowRect.size.width, nowRect.size.height);
|
||
|
|
CGRect rightRect = CGRectMake(nowRect.origin.x+nowRect.size.width, nowRect.origin.y, nowRect.size.width, nowRect.size.height);
|
||
|
|
|
||
|
|
CGRect newStartRect;
|
||
|
|
CGRect oldEndRect;
|
||
|
|
if (index > oldIndex_) {
|
||
|
|
newStartRect = rightRect;
|
||
|
|
oldEndRect = leftRect;
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
newStartRect = leftRect;
|
||
|
|
oldEndRect = rightRect;
|
||
|
|
}
|
||
|
|
|
||
|
|
newvc.view.frame = newStartRect;
|
||
|
|
[newvc willMoveToParentViewController:self.baseViewController];
|
||
|
|
|
||
|
|
[self.baseViewController transitionFromViewController:oldvc toViewController:newvc duration:0.4 options:0 animations:^{
|
||
|
|
newvc.view.frame = nowRect;
|
||
|
|
oldvc.view.frame = oldEndRect;
|
||
|
|
} completion:^(BOOL finished) {
|
||
|
|
[oldvc removeFromParentViewController];
|
||
|
|
[newvc didMoveToParentViewController:self.baseViewController];
|
||
|
|
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(DLSlideView:didSwitchTo:)]) {
|
||
|
|
[self.delegate DLSlideView:self didSwitchTo:index];
|
||
|
|
}
|
||
|
|
|
||
|
|
isSwitching_ = NO;
|
||
|
|
}];
|
||
|
|
|
||
|
|
oldIndex_ = index;
|
||
|
|
oldCtrl_ = newvc;
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
[self showAt:index];
|
||
|
|
}
|
||
|
|
|
||
|
|
willCtrl_ = nil;
|
||
|
|
panToIndex_ = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)repositionForOffsetX:(CGFloat)offsetx{
|
||
|
|
float x = 0.0f;
|
||
|
|
|
||
|
|
if (panToIndex_ < oldIndex_) {
|
||
|
|
x = self.bounds.origin.x - self.bounds.size.width + offsetx;
|
||
|
|
}
|
||
|
|
else if(panToIndex_ > oldIndex_){
|
||
|
|
x = self.bounds.origin.x + self.bounds.size.width + offsetx;
|
||
|
|
}
|
||
|
|
|
||
|
|
//UIViewController *oldvc = [self.dataSource DLSlideView:self controllerAt:oldIndex_];
|
||
|
|
UIViewController *oldvc = oldCtrl_;
|
||
|
|
oldvc.view.frame = CGRectMake(self.bounds.origin.x + offsetx, self.bounds.origin.y, CGRectGetWidth(self.bounds), CGRectGetHeight(self.bounds));
|
||
|
|
|
||
|
|
if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self]) {
|
||
|
|
//UIViewController *vc = [self.dataSource DLSlideView:self controllerAt:panToIndex_];
|
||
|
|
UIViewController *vc = willCtrl_;
|
||
|
|
vc.view.frame = CGRectMake(x, self.bounds.origin.y, CGRectGetWidth(self.bounds), CGRectGetHeight(self.bounds));
|
||
|
|
// if (vc.parentViewController == nil) {
|
||
|
|
//
|
||
|
|
// [self.baseViewController addChildViewController:vc];
|
||
|
|
// [vc willMoveToParentViewController:self.baseViewController];
|
||
|
|
// [vc beginAppearanceTransition:YES animated:YES];
|
||
|
|
// [self addSubview:vc.view];
|
||
|
|
// //[vc didMoveToParentViewController:self.baseViewController];
|
||
|
|
// }
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(DLSlideView:switchingFrom:to:percent:)]) {
|
||
|
|
[self.delegate DLSlideView:self switchingFrom:oldIndex_ to:panToIndex_ percent:fabs(offsetx)/self.bounds.size.width];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)backToOldWithOffset:(CGFloat)offsetx{
|
||
|
|
NSTimeInterval animatedTime = 0;
|
||
|
|
animatedTime = 0.3;
|
||
|
|
|
||
|
|
//animatedTime = fabs(self.frame.size.width - fabs(offsetx)) / self.frame.size.width * 0.35;
|
||
|
|
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
|
||
|
|
[UIView animateWithDuration:animatedTime animations:^{
|
||
|
|
[self repositionForOffsetX:0];
|
||
|
|
} completion:^(BOOL finished) {
|
||
|
|
if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self] && panToIndex_ != oldIndex_) {
|
||
|
|
//[self removeAt:panToIndex_];
|
||
|
|
[oldCtrl_ beginAppearanceTransition:YES animated:NO];
|
||
|
|
[self removeWill];
|
||
|
|
[oldCtrl_ endAppearanceTransition];
|
||
|
|
}
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(DLSlideView:switchCanceled:)]) {
|
||
|
|
[self.delegate DLSlideView:self switchCanceled:oldIndex_];
|
||
|
|
}
|
||
|
|
}];
|
||
|
|
|
||
|
|
// [UIView animateWithDuration:animatedTime delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
|
||
|
|
// float pantox = 0.0f;
|
||
|
|
// if (offsetx > 0) {
|
||
|
|
// pantox = -self.bounds.size.width;
|
||
|
|
// }
|
||
|
|
// else{
|
||
|
|
// pantox = self.bounds.size.width;
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// //UIViewController *oldvc = [self.dataSource DLSlideView:self controllerAt:oldIndex_];;
|
||
|
|
// UIViewController *oldvc = oldCtrl_;
|
||
|
|
// oldvc.view.frame = CGRectMake(0, self.bounds.origin.y, CGRectGetWidth(self.bounds), CGRectGetHeight(self.bounds));
|
||
|
|
// if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self]) {
|
||
|
|
// //UIViewController *vc = [self.dataSource DLSlideView:self controllerAt:panToIndex_];
|
||
|
|
// UIViewController *vc = willCtrl_;
|
||
|
|
// vc.view.frame = CGRectMake(pantox, self.bounds.origin.y, CGRectGetWidth(self.bounds), CGRectGetHeight(self.bounds));
|
||
|
|
// }
|
||
|
|
// } completion:^(BOOL finished) {
|
||
|
|
// if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self] && panToIndex_ != oldIndex_) {
|
||
|
|
// //[self removeAt:panToIndex_];
|
||
|
|
// [self removeWill];
|
||
|
|
// }
|
||
|
|
// }];
|
||
|
|
|
||
|
|
}
|
||
|
|
- (void)panHandler:(UIPanGestureRecognizer *)pan{
|
||
|
|
if (oldIndex_ < 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
CGPoint point = [pan translationInView:self];
|
||
|
|
|
||
|
|
if (pan.state == UIGestureRecognizerStateBegan) {
|
||
|
|
panStartPoint_ = point;
|
||
|
|
//[oldCtrl_ willMoveToParentViewController:nil];
|
||
|
|
[oldCtrl_ beginAppearanceTransition:NO animated:YES];
|
||
|
|
}
|
||
|
|
else if (pan.state == UIGestureRecognizerStateChanged){
|
||
|
|
NSInteger panToIndex = -1;
|
||
|
|
float offsetx = point.x - panStartPoint_.x;
|
||
|
|
|
||
|
|
if (offsetx > 0) {
|
||
|
|
panToIndex = oldIndex_ - 1;
|
||
|
|
}
|
||
|
|
else if(offsetx < 0){
|
||
|
|
panToIndex = oldIndex_ + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// fix bug #5
|
||
|
|
if (panToIndex != panToIndex_) {
|
||
|
|
if (willCtrl_) {
|
||
|
|
[self removeWill];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (panToIndex < 0 || panToIndex >= [self.dataSource numberOfControllersInDLSlideView:self]) {
|
||
|
|
panToIndex_ = panToIndex;
|
||
|
|
[self repositionForOffsetX:offsetx/2.0f];
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
if (panToIndex != panToIndex_) {
|
||
|
|
//fix bug #5
|
||
|
|
// if (willCtrl_) {
|
||
|
|
// [self removeWill];
|
||
|
|
// }
|
||
|
|
willCtrl_ = [self.dataSource DLSlideView:self controllerAt:panToIndex];
|
||
|
|
[self.baseViewController addChildViewController:willCtrl_];
|
||
|
|
[willCtrl_ willMoveToParentViewController:self.baseViewController];
|
||
|
|
[willCtrl_ beginAppearanceTransition:YES animated:YES];
|
||
|
|
[self addSubview:willCtrl_.view];
|
||
|
|
|
||
|
|
panToIndex_ = panToIndex;
|
||
|
|
}
|
||
|
|
[self repositionForOffsetX:offsetx];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (pan.state == UIGestureRecognizerStateEnded){
|
||
|
|
float offsetx = point.x - panStartPoint_.x;
|
||
|
|
|
||
|
|
if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self] && panToIndex_ != oldIndex_) {
|
||
|
|
if (fabs(offsetx) > kPanSwitchOffsetThreshold) {
|
||
|
|
NSTimeInterval animatedTime = 0;
|
||
|
|
animatedTime = fabs(self.frame.size.width - fabs(offsetx)) / self.frame.size.width * 0.4;
|
||
|
|
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
|
||
|
|
[UIView animateWithDuration:animatedTime animations:^{
|
||
|
|
[self repositionForOffsetX:offsetx > 0 ? self.bounds.size.width : -self.bounds.size.width];
|
||
|
|
} completion:^(BOOL finished) {
|
||
|
|
//[self removeAt:oldIndex_];
|
||
|
|
[self removeOld];
|
||
|
|
|
||
|
|
if (panToIndex_ >= 0 && panToIndex_ < [self.dataSource numberOfControllersInDLSlideView:self]) {
|
||
|
|
[willCtrl_ endAppearanceTransition];
|
||
|
|
[willCtrl_ didMoveToParentViewController:self.baseViewController];
|
||
|
|
oldIndex_ = panToIndex_;
|
||
|
|
oldCtrl_ = willCtrl_;
|
||
|
|
willCtrl_ = nil;
|
||
|
|
panToIndex_ = -1;
|
||
|
|
}
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(DLSlideView:didSwitchTo:)]) {
|
||
|
|
[self.delegate DLSlideView:self didSwitchTo:oldIndex_];
|
||
|
|
}
|
||
|
|
}];
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
[self backToOldWithOffset:offsetx];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
[self backToOldWithOffset:offsetx];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|