refactor: add support for ValidatedAccountInput being passed in from outside of the add account forms.

With this change top-level QML code may pass a (populated) ValidatedAccountInput object to pre-populate fields in the add account forms.

Issues: #7, #14

src/contents/ui/AccountNameForm.qml

@@ -17,8 +17,37 @@ Kirigami.FormLayout {
     property Models.AccountListModel accounts: Keysmith.accountListModel()
     property Models.ValidatedAccountInput validatedInput
 
+    onValidatedInputChanged: {
+        revalidate();
+    }
+
     property bool acceptable : accountName.acceptableInput && issuerName.acceptableInput
 
+    /*
+     * When accounts are added/removed from the model, the account name and issuer should be revalidated as well.
+     * It may have become eligible or in-eligible depending on whether or not other accounts with the same name
+     * for the same new issuer value now (still) exist.
+     *
+     * Unfortunately there seems to be nothing to explicitly trigger revalidation on the text field.
+     * Work around is to force revalidation to happen by "editing" the value in the text field(s) directly.
+     */
+    Connections {
+        target: accounts
+        onRowsInserted: {
+            revalidate();
+        }
+        onRowsRemoved: {
+            revalidate();
+        }
+        onModelReset: {
+            revalidate();
+        }
+    }
+    function revalidate() {
+        // because of how issuer revalidation works, this also implicitly covers the account name as well
+        issuerName.insert(issuerName.text.length, "");
+    }
+
     Controls.TextField {
         id: accountName
         text: validatedInput.name

src/contents/ui/AddAccount.qml

@@ -26,7 +26,10 @@ Kirigami.Page {
     property bool tokenDetailsAcceptable: hotpDetailsAcceptable && totpDetailsAcceptable
     property bool acceptable: accountName.acceptable && secretAcceptable && tokenTypeAcceptable && tokenDetailsAcceptable
 
-    property Models.ValidatedAccountInput validatedInput: Models.ValidatedAccountInput {
+    property Models.ValidatedAccountInput validatedInput: Models.ValidatedAccountInput {}
+
+    Connections {
+        target: validatedInput
         onTypeChanged: {
             root.detailsEnabled = false;
         }