#import "EditTopicViewController.h"

#import "ProjectTopic.h"

#import "Coding_NetAPIManager.h"

#import "EaseMarkdownTextView.h"

#import "WebContentManager.h"

#import "EditLabelViewController.h"

#import "TopicPreviewCell.h"

#import "ProjectTag.h"

#import "ProjectTagsView.h"

#import "WebViewController.h"

@interface EditTopicViewController ()<UIWebViewDelegate, UITableViewDataSource, UITableViewDelegate>

@property (strong, nonatomic) UISegmentedControl *segmentedControl;

@property (assign, nonatomic) NSInteger curIndex;

@property (strong, nonatomic) UITableView *preView;

@property (strong, nonatomic) UIView *editView;

@property (strong, nonatomic) UITextField *inputTitleView;

@property (strong, nonatomic) EaseMarkdownTextView *inputContentView;

@property (strong, nonatomic) UIView *lineView;

@property (strong, nonatomic) ProjectTagsView *tagsView;

@implementation EditTopicViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view.

self.view.backgroundColor = kColorTableBG;

if (!_segmentedControl) {

_segmentedControl = ({

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:@[@"编辑", @"预览"]];

[segmentedControl setWidth:80 forSegmentAtIndex:0];

[segmentedControl setWidth:80 forSegmentAtIndex:1];

[segmentedControl setTitleTextAttributes:@{

NSFontAttributeName: [UIFont systemFontOfSize:16],

NSForegroundColorAttributeName: [UIColor whiteColor]

}

forState:UIControlStateSelected];

[segmentedControl setTitleTextAttributes:@{

NSFontAttributeName: [UIFont systemFontOfSize:16],

NSForegroundColorAttributeName: kColorNavTitle

} forState:UIControlStateNormal];

[segmentedControl addTarget:self action:@selector(segmentedControlSelected:) forControlEvents:UIControlEventValueChanged];

segmentedControl;

});

self.navigationItem.titleView = _segmentedControl;

}

[self.navigationItem setRightBarButtonItem:[UIBarButtonItem itemWithBtnTitle:

self.type == TopicEditTypeFeedBack ? @"发送" :

self.type == TopicEditTypeModify? @"保存": @"完成"

target:self action:@selector(saveBtnClicked)] animated:YES];

self.navigationItem.rightBarButtonItem.enabled = NO;

[[[[NSNotificationCenter defaultCenter] rac_addObserverForName:UIKeyboardWillChangeFrameNotification object:nil] takeUntil:self.rac_willDeallocSignal] subscribeNext:^(NSNotification *aNotification) {

if (self.inputContentView) {

NSDictionary* userInfo = [aNotification userInfo];

CGRect keyboardEndFrame = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];

self.inputContentView.contentInset = UIEdgeInsetsMake(0, 0, CGRectGetHeight(keyboardEndFrame), 0);

self.inputContentView.scrollIndicatorInsets = self.inputContentView.contentInset;

}

}];

self.curIndex = 0;

}

- (void)viewDidAppear:(BOOL)animated

{

[super viewDidAppear:animated];

if (_curIndex == 0) {

[self loadEditView];

} else {

[self loadPreview];

}

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

#pragma mark UISegmentedControl

- (void)segmentedControlSelected:(id)sender

{

UISegmentedControl *segmentedControl = (UISegmentedControl *)sender;

self.curIndex = segmentedControl.selectedSegmentIndex;

}

#pragma mark index_view

- (void)setCurIndex:(NSInteger)curIndex

{

_curIndex = curIndex;

if (_segmentedControl.selectedSegmentIndex != curIndex) {

[_segmentedControl setSelectedSegmentIndex:_curIndex];

}

if (_curIndex == 0) {

[self loadEditView];

} else {

[self loadPreview];

}

}

- (void)loadLabelView

{

if (!_tagsView) {

_tagsView = [ProjectTagsView viewWithTags:_curProTopic.mdLabels];

[self.editView addSubview:_tagsView];

}else{

_tagsView.tags = _curProTopic.mdLabels;

}

__weak typeof(self) weakSelf = self;

_tagsView.deleteTagBlock = ^(ProjectTag *curTag){

curTag = [ProjectTag tags:weakSelf.curProTopic.mdLabels hasTag:curTag];

if (curTag) {

[weakSelf.curProTopic.mdLabels removeObject:curTag];

}

[weakSelf loadEditView];

weakSelf.navigationItem.rightBarButtonItem.enabled = YES;

};

_tagsView.addTagBlock = ^(){

[weakSelf addtitleBtnClick];

};

}

- (void)loadEditView

{

if (!_editView) {

//控件

_editView = [[UIView alloc] initWithFrame:self.view.bounds];

_inputTitleView = [[UITextField alloc] initWithFrame:CGRectZero];

_inputTitleView.textColor = kColor222;

_inputTitleView.font = [UIFont systemFontOfSize:18];

_inputTitleView.attributedPlaceholder = [[NSAttributedString alloc] initWithString:(self.type == TopicEditTypeFeedBack ? @"反馈标题" : @"讨论标题") attributes:@{NSForegroundColorAttributeName : [UIColor lightGrayColor]}];

[_editView addSubview:_inputTitleView];

_lineView = [[UIView alloc] initWithFrame:CGRectZero];

_lineView.backgroundColor = kColorTableSectionBg;

[_editView addSubview:_lineView];

_inputContentView = [[EaseMarkdownTextView alloc] initWithFrame:CGRectZero];

_inputContentView.curProject = self.curProTopic.project;

_inputContentView.textColor = kColor222;

_inputContentView.placeholder = self.type == TopicEditTypeFeedBack ? @"反馈内容" : @"讨论内容";

_inputContentView.backgroundColor = [UIColor clearColor];

_inputContentView.font = [UIFont systemFontOfSize:15];

[_editView addSubview:_inputContentView];

[self.view addSubview:_editView];

// 内容

@weakify(self);

RAC(self.navigationItem.rightBarButtonItem, enabled) = [RACSignal combineLatest:@[self.inputTitleView.rac_textSignal, self.inputContentView.rac_textSignal, RACObserve(self.curProTopic, mdLabels)] reduce:^id (NSString *title, NSString *content, NSArray *mdLabels) {

// 刚开始编辑content的时候，title传过来的总是nil

@strongify(self);

title = self.inputTitleView.text;

content = self.inputContentView.text;

BOOL enabled = ([title stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]].length > 0

&& [content stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]].length > 0

&& (![title isEqualToString:self.curProTopic.mdTitle]

|| ![content isEqualToString:self.curProTopic.mdContent]

|| ![ProjectTag tags:mdLabels isEqualTo:self.curProTopic.labels]));

return @(enabled);

}];

_inputTitleView.text = _curProTopic.mdTitle;

_inputContentView.text = _curProTopic.mdContent;

}

if (self.type != TopicEditTypeFeedBack) {

[self loadLabelView];

}

// 布局

_inputContentView.textContainerInset = UIEdgeInsetsMake(10, kPaddingLeftWidth - 5, 8, kPaddingLeftWidth - 5);

[_editView mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.view);

}];

[_inputTitleView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_editView.mas_top).offset(10.0);

make.height.mas_equalTo(30);

make.left.equalTo(_editView).offset(kPaddingLeftWidth);

make.right.equalTo(_editView).offset(-kPaddingLeftWidth);

}];

if (self.type != TopicEditTypeFeedBack) {

// 标签

CGFloat tagsViewHeight = [ProjectTagsView getHeightForTags:_curProTopic.mdLabels];

[_tagsView mas_remakeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_inputTitleView.mas_bottom).offset(16.0);

make.height.mas_equalTo(tagsViewHeight);

make.left.right.equalTo(_editView);

}];

[_lineView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_tagsView.mas_bottom).offset(9.0);

make.left.equalTo(_editView).offset(kPaddingLeftWidth);

make.height.mas_equalTo(1.0);

make.right.equalTo(_editView);

}];

} else {

[_lineView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_inputTitleView.mas_bottom).offset(12.0);

make.left.equalTo(_editView).offset(kPaddingLeftWidth);

make.height.mas_equalTo(1.0);

make.right.equalTo(_editView);

}];

}

[_inputContentView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_lineView.mas_bottom).offset(5.0);

make.left.right.bottom.equalTo(_editView);

}];

_editView.hidden = NO;

_preView.hidden = YES;

}

- (void)loadPreview

{

if (!_preView) {

_preView = ({

UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds];

tableView.backgroundColor = [UIColor clearColor];

tableView.delegate = self;

tableView.dataSource = self;

tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

[tableView registerClass:[TopicPreviewCell class] forCellReuseIdentifier:kCellIdentifier_TopicPreviewCell];

tableView.estimatedRowHeight = 0;

tableView.estimatedSectionHeaderHeight = 0;

tableView.estimatedSectionFooterHeight = 0;

tableView;

});

[self.view addSubview:_preView];

}

// 布局

[_preView mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.view);

}];

_preView.hidden = NO;

[_preView reloadData];

_editView.hidden = YES;

[_editView endEditing:YES];

}

#pragma mark - click

- (void)addtitleBtnClick

{

EditLabelViewController *vc = [[EditLabelViewController alloc] init];

vc.curProject = _curProTopic.project ?: ({Project *p = [Project new]; p.id = _curProTopic.project_id; p;});

vc.orignalTags = _curProTopic.mdLabels;

@weakify(self);

vc.tagsSelectedBlock = ^(EditLabelViewController *vc, NSMutableArray *selectedTags){

@strongify(self);

self.curProTopic.mdLabels = selectedTags;

};

[self.navigationController pushViewController:vc animated:YES];

}

- (void)saveBtnClicked

{

self.curProTopic.mdTitle = _inputTitleView.text;

self.curProTopic.mdContent = _inputContentView.text;

if (self.type == TopicEditTypeModify) {

self.navigationItem.rightBarButtonItem.enabled = NO;

@weakify(self);

[[Coding_NetAPIManager sharedManager] request_ModifyProjectTpoic:self.curProTopic andBlock:^(id data, NSError *error) {

@strongify(self);

self.navigationItem.rightBarButtonItem.enabled = YES;

if (data) {

if (self.topicChangedBlock) {

self.topicChangedBlock(data, self.type);

}

[self.navigationController popViewControllerAnimated:YES];

}

}];

} else {

self.navigationItem.rightBarButtonItem.enabled = NO;

if (self.type == TopicEditTypeFeedBack) {

self.curProTopic.mdContent = [NSString stringWithFormat:@"%@\n%@", self.curProTopic.mdContent, [NSString userAgentStr]];

}

@weakify(self);

[[Coding_NetAPIManager sharedManager] request_AddProjectTpoic:self.curProTopic andBlock:^(id data, NSError *error) {

@strongify(self);

self.navigationItem.rightBarButtonItem.enabled = YES;

if (data) {

if (self.topicChangedBlock) {

self.topicChangedBlock(data, self.type);

}

[self.navigationController popViewControllerAnimated:YES];

}

}];

}

}

#pragma mark Table M

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return 1;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

TopicPreviewCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellIdentifier_TopicPreviewCell forIndexPath:indexPath];

_curProTopic.created_at = [NSDate date];

cell.isLabel = (self.type == TopicEditTypeFeedBack ? FALSE : TRUE);

self.curProTopic.mdTitle = _inputTitleView.text;

self.curProTopic.mdContent = _inputContentView.text;

cell.curTopic = self.curProTopic;

__weak typeof(self) weakSelf = self;

cell.cellHeightChangedBlock = ^(){

[weakSelf.preView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationNone];

};

cell.addLabelBlock = ^(){

[weakSelf addtitleBtnClick];

};

cell.delLabelBlock = ^(){

weakSelf.navigationItem.rightBarButtonItem.enabled = YES;

};

cell.clickedLinkStrBlock = ^(NSString *linkStr){

[weakSelf analyseLinkStr:linkStr];

};

//[tableView addLineforPlainCell:cell forRowAtIndexPath:indexPath withLeftSpace:0];

return cell;

}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

return (self.type == TopicEditTypeFeedBack ? [TopicPreviewCell cellHeightWithObj:self.curProTopic] : [TopicPreviewCell cellHeightWithObjWithLabel:self.curProTopic]);

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

[tableView deselectRowAtIndexPath:indexPath animated:YES];

}

#pragma mark analyseLinkStr

- (void)analyseLinkStr:(NSString *)linkStr

{

if (linkStr.length <= 0) {

return;

}

UIViewController *vc = [BaseViewController analyseVCFromLinkStr:linkStr];

if (vc) {

[self.navigationController pushViewController:vc animated:YES];

}else{

// 跳转去网页

WebViewController *webVc = [WebViewController webVCWithUrlStr:linkStr];

[self.navigationController pushViewController:webVc animated:YES];

}

}