markdown 编辑 - 快捷按钮优化

编辑文件 - 若有改动的话，返回是添加一个确认提示

Author: wanghengheng

Coding_iOS/Controllers/FileEditViewController.m

@@ -11,6 +11,7 @@
 #import"WebContentManager.h"
 #import"EaseMarkdownTextView.h"
 #import"WebViewController.h"
+#import"UIViewController+BackButtonHandler.h"
 
 @interfaceFileEditViewController ()<UIWebViewDelegate>
 @property (strong, nonatomic) UISegmentedControl *segmentedControl;
@@ -104,6 +105,22 @@ - (void)configContent{
  }];
 }
 
+
+- (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:nilcancelTitle:@"取消"andDidDismissBlock:^(UIAlertAction *action, NSInteger index){
+if (index == 0){
+ [weakSelf.navigationController popViewControllerAnimated:YES];
+ }
+ }] show];
+returnNO;
+ }else{
+returnYES;
+ }
+}
+
 #pragma mark UISegmentedControl
 - (void)segmentedControlSelected:(id)sender{
  UISegmentedControl *segmentedControl = (UISegmentedControl *)sender;

Coding_iOS/Views/EaseMarkdownTextView.m

@@ -58,11 +58,6 @@ - (NSArray *)buttons{
 
  [selfcreateButtonWithTitle:@"@"andEventHandler:^{[selfdoAT]}],
 
- [selfcreateButtonWithTitle:@"#"andEventHandler:^{[selfinsertText:@"#"]}],
- [selfcreateButtonWithTitle:@"*"andEventHandler:^{[selfinsertText:@"*"]}],
- [selfcreateButtonWithTitle:@"`"andEventHandler:^{[selfinsertText:@"`"]}],
- [selfcreateButtonWithTitle:@"-"andEventHandler:^{[selfinsertText:@"-"]}],
-
  [selfcreateButtonWithTitle:@"照片"andEventHandler:^{[selfdoPhoto]}],
 
  [selfcreateButtonWithTitle:@"标题"andEventHandler:^{[selfdoTitle]}],
@@ -72,6 +67,17 @@ - (NSArray *)buttons{
  [selfcreateButtonWithTitle:@"引用"andEventHandler:^{[selfdoQuote]}],
  [selfcreateButtonWithTitle:@"列表"andEventHandler:^{[selfdoList]}],
 
+ [selfcreateButtonWithTitle:@"分割线"andEventHandler:^{
+NSRange selectionRange = self.selectedRange;
+NSString *insertStr = [selfneedPreNewLine]? @"\n\n------\n": @"\n------\n";
+
+ selectionRange.location += insertStr.length;
+ selectionRange.length = 0;
+
+ [selfinsertText:insertStr];
+ [selfsetSelectionRange:selectionRange];
+ }],
+
  [selfcreateButtonWithTitle:@"链接"andEventHandler:^{
 NSString *tipStr = @"在此输入链接地址";
 NSRange selectionRange = self.selectedRange;
@@ -92,17 +98,11 @@ - (NSArray *)buttons{
  [selfsetSelectionRange:selectionRange];
  }],
 
- [selfcreateButtonWithTitle:@"分割线"andEventHandler:^{
-NSRange selectionRange = self.selectedRange;
-NSString *insertStr = [selfneedPreNewLine]? @"\n\n------\n": @"\n------\n";
-
- selectionRange.location += insertStr.length;
- selectionRange.length = 0;
-
- [selfinsertText:insertStr];
- [selfsetSelectionRange:selectionRange];
- }],
-
+ [selfcreateButtonWithTitle:@"#"andEventHandler:^{[selfinsertText:@"#"]}],
+ [selfcreateButtonWithTitle:@"*"andEventHandler:^{[selfinsertText:@"*"]}],
+ [selfcreateButtonWithTitle:@"`"andEventHandler:^{[selfinsertText:@"`"]}],
+ [selfcreateButtonWithTitle:@"-"andEventHandler:^{[selfinsertText:@"-"]}],
+
  [selfcreateButtonWithTitle:@"_"andEventHandler:^{[selfinsertText:@"_"]}],
  [selfcreateButtonWithTitle:@"+"andEventHandler:^{[selfinsertText:@"+"]}],
  [selfcreateButtonWithTitle:@"~"andEventHandler:^{[selfinsertText:@"~"]}],