added the ability to instantly delete default text in RepoEntry; simplified some code

src/ui/default.rs

@@ -54,12 +54,9 @@ impl std::iter::Iterator for State {
 
 impl Ui {
     pub fn run(opt: &Opt) {
-        let (repo_id, load_repo) = match &opt.repo {
+        let repo_id = match &opt.repo {
-            None => (
+            None => None,
-                "enter a repository here or select one from file widget",
+            Some(repo) => Some(String::as_str(repo)),
-                false,
-            ),
-            Some(repo) => (String::as_str(repo), true),
         };
 
         let mut ui = Ui {
@@ -71,7 +68,7 @@ impl Ui {
             info: info::Info::new("Select image of edit Repository"),
         };
 
-        if load_repo {
+        if opt.repo.is_none() {
             ui.tags = tag_list::TagList::with_repo_name(ui.repo.get());
         }
 

src/ui/no_yaml.rs

@@ -49,26 +49,21 @@ pub struct NoYaml {
 
 impl NoYaml {
     pub fn run(opt: &Opt) {
-        let (repo, load_repo) = match &opt.repo {
+        let repo_id = match &opt.repo {
-            None => (
+            None => None,
-                repo_entry::RepoEntry::new(
+            Some(repo) => Some(String::as_str(repo)),
-                    "enter a repository or select one from docker-compose.yml",
-                ),
-                false,
-            ),
-            Some(repo_id) => (repo_entry::RepoEntry::new(repo_id), true),
         };
 
         let mut ui = NoYaml {
             state: State::EditRepo,
-            repo,
+            repo: repo_entry::RepoEntry::new(repo_id),
             tags: tag_list::TagList::with_status("Tags are empty"),
             details: details::Details::new(),
             info: info::Info::new("could not find a docker-compose file"),
         };
 
         // load tags if a repository was given thorugh paramter
-        if load_repo {
+        if opt.repo.is_none() {
             ui.tags = tag_list::TagList::with_repo_name(ui.repo.get());
         }
 

src/widget/repo_entry.rs

@@ -7,14 +7,17 @@ pub struct RepoEntry {
     text: String,
     old_text: String,
     changed: bool,
+    default_text: bool,
 }
 
 impl RepoEntry {
-    pub fn new(text: &str) -> Self {
+    pub fn new(text: Option<&str>) -> Self {
+        let default_text = "enter a repository here or select one from file widget";
         Self {
-            text: String::from(text),
+            text: String::from(text.unwrap_or(default_text)),
-            old_text: String::from(text),
+            old_text: String::from(text.unwrap_or(default_text)),
             changed: false,
+            default_text: text.is_none(),
         }
     }
 
@@ -56,10 +59,16 @@ impl RepoEntry {
             Key::Char(c) => {
                 self.text.push(c);
                 self.changed = true;
+                self.default_text = false;
             }
             Key::Backspace => {
-                self.text.pop();
+                if self.default_text {
-                self.changed = true;
+                    self.text = String::new();
+                    self.changed = true;
+                } else {
+                    self.text.pop();
+                    self.changed = true;
+                }
             }
             Key::Esc => {
                 self.text = self.old_text.clone();