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//
// FileEditViewController.m
// Coding_iOS
//
// Created by Ease on 15/8/24.
// Copyright (c) 2015年 Coding. All rights reserved.
//
#import "FileEditViewController.h"
#import "Coding_NetAPIManager.h"
#import "WebContentManager.h"
#import "EaseMarkdownTextView.h"
#import "WebViewController.h"
#import "UIViewController+BackButtonHandler.h"
@interface FileEditViewController ()<UIWebViewDelegate>
@property (strong, nonatomic) UISegmentedControl *segmentedControl;
@property (assign, nonatomic) NSInteger curIndex;
@property (strong, nonatomic) UIWebView *preview;
@property (strong, nonatomic) UIActivityIndicatorView *activityIndicator;
@property (strong, nonatomic) UITextView *editView;
@property (strong, nonatomic) NSString *content;
@property (strong, nonatomic) Project *curProject;
@end
@implementation FileEditViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
self.view.backgroundColor = kColorTableBG;
[self requestFileContent];
}
- (void)setCurFile:(ProjectFile *)curFile{
_curFile = curFile;
_curProject = [Project new];
_curProject.id = _curFile.project_id;
}
- (void)requestFileContent{
[self.view beginLoading];
__weak typeof(self) weakSelf = self;
[[Coding_NetAPIManager sharedManager] request_FileContent:self.curFile andBlock:^(id data, NSError *error) {
[weakSelf.view endLoading];
if (data) {
weakSelf.content = data;
[weakSelf configContent];
}else{
if (error.code == 1304) {
[weakSelf.view configBlankPage:EaseBlankPageTypeFileDleted hasData:NO hasError:NO reloadButtonBlock:nil];
}else{
[weakSelf.view configBlankPage:EaseBlankPageTypeView hasData:NO hasError:(error != nil) reloadButtonBlock:^(id sender) {
[weakSelf requestFileContent];
}];
}
}
}];
}
- (BOOL)fileIsMD{
return [_curFile.fileType isEqualToString:@"md"];
}
- (void)configContent{
if ([self fileIsMD]) {
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.curIndex = 0;
}else{
self.title = _curFile.name;
[self loadEditView];
}
[self.navigationItem setRightBarButtonItem:[UIBarButtonItem itemWithBtnTitle:@"保存" 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.editView) {
NSDictionary* userInfo = [aNotification userInfo];
CGRect keyboardEndFrame = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
self.editView.contentInset = UIEdgeInsetsMake(0, 0, CGRectGetHeight(keyboardEndFrame), 0);
self.editView.scrollIndicatorInsets = self.editView.contentInset;
}
}];
}
- (BOOL)navigationShouldPopOnBackButton{
BOOL hasChanged = ![self.content ?: @"" isEqualToString:_editView.text];
if (hasChanged) {
__weak typeof(self) weakSelf = self;
[[UIAlertController ea_alertViewWithTitle:@"提示" message:@"如果不保存，更改将丢失，是否确认返回？" buttonTitles:@[@"确认返回"] destructiveTitle:nil cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {
if (index == 0) {
[weakSelf.navigationController popViewControllerAnimated:YES];
}
}] show];
return NO;
}else{
return YES;
}
}
#pragma mark UISegmentedControl
- (void)segmentedControlSelected:(id)sender{
UISegmentedControl *segmentedControl = (UISegmentedControl *)sender;
self.curIndex = segmentedControl.selectedSegmentIndex;
if (self.curIndex == 0) {
[_editView becomeFirstResponder];
}else{
[_editView resignFirstResponder];
}
}
#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)loadEditView{
if (!_editView) {
if ([self fileIsMD]) {
_editView = ({
EaseMarkdownTextView *mdView = [[EaseMarkdownTextView alloc] initWithFrame:self.view.bounds];
mdView.curProject = _curProject;
mdView;
});
}else{
_editView = [[UITextView alloc] initWithFrame:self.view.bounds];
}
_editView.backgroundColor = [UIColor clearColor];
_editView.textColor = kColor666;
_editView.font = [UIFont systemFontOfSize:16];
_editView.textContainerInset = UIEdgeInsetsMake(15, kPaddingLeftWidth - 5, 8, kPaddingLeftWidth - 5);
_editView.text = _content;
[self.view addSubview:_editView];
[_editView mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.view);
}];
@weakify(self);
[_editView.rac_textSignal subscribeNext:^(NSString *content) {
@strongify(self);
self.navigationItem.rightBarButtonItem.enabled = ![self.content isEqualToString:content];
}];
}
_editView.hidden = NO;
_preview.hidden = YES;
}
- (void)loadPreview{
if (!_preview) {
_preview = [[UIWebView alloc] initWithFrame:self.view.bounds];
_preview.delegate = self;
_preview.backgroundColor = [UIColor clearColor];
_preview.opaque = NO;
_preview.scalesPageToFit = YES;
//webview加载指示
_activityIndicator = [[UIActivityIndicatorView alloc]
initWithActivityIndicatorStyle:
UIActivityIndicatorViewStyleGray];
_activityIndicator.hidesWhenStopped = YES;
[_preview addSubview:_activityIndicator];
[self.view addSubview:_preview];
[_preview mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.view);
}];
[_activityIndicator mas_makeConstraints:^(MASConstraintMaker *make) {
make.center.equalTo(_preview);
}];
}
_preview.hidden = NO;
_editView.hidden = YES;
[self previewLoadMDData];
}
- (void)previewLoadMDData{
NSString *mdStr = self.editView.text;
[_activityIndicator startAnimating];
@weakify(self);
[[Coding_NetAPIManager sharedManager] request_MDHtmlStr_WithMDStr:mdStr inProject:self.curProject andBlock:^(id data, NSError *error) {
@strongify(self);
NSString *htmlStr = data? data : error.description;
NSString *contentStr = [WebContentManager markdownPatternedWithContent:htmlStr];
[self.preview loadHTMLString:contentStr baseURL:nil];
}];
}
#pragma mark nav_btn
- (void)saveBtnClicked{
NSString *edit_content = _editView.text;
if ([self fileIsMD]) {
edit_content = [edit_content aliasedString];
}
[NSObject showHUDQueryStr:@"正在保存..."];
[[Coding_NetAPIManager sharedManager] request_EditFile:_curFile withContent:edit_content andBlock:^(id data, NSError *error) {
[NSObject hideHUDQuery];
if (data) {
if (self.completeBlock) {
self.completeBlock(data);
}
[self.navigationController popViewControllerAnimated:YES];
}
}];
}
#pragma mark UIWebViewDelegate
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{
DebugLog(@"strLink=[%@]",request.URL.absoluteString);
NSString *strLink = request.URL.absoluteString;
if ([strLink rangeOfString:@"about:blank"].location != NSNotFound) {
return YES;
} else {
[self analyseLinkStr:strLink];
return NO;
}
}
- (void)webViewDidStartLoad:(UIWebView *)webView{
[_activityIndicator startAnimating];
}
- (void)webViewDidFinishLoad:(UIWebView *)webView{
[_activityIndicator stopAnimating];
}
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{
if([error code] == NSURLErrorCancelled)
return;
else{
DebugLog(@"%@", error.description);
[NSObject showError:error];
}
}
#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];
}
}
@end
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