feat: add input value window

Add a reusable window for entering and editing values.

app/src/main/java/ru/project/ui/window/CollectionSizeInputWindow.java

@@ -1,54 +0,0 @@
-package ru.project.ui.window;
-
-import com.googlecode.lanterna.gui2.Button;
-import com.googlecode.lanterna.gui2.Label;
-import com.googlecode.lanterna.gui2.LinearLayout;
-import com.googlecode.lanterna.gui2.Panel;
-import com.googlecode.lanterna.gui2.TextBox;
-import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
-import java.util.function.IntConsumer;
-import ru.project.ui.base.BaseWindow;
-
-public class CollectionSizeInputWindow extends BaseWindow {
-
-  private final TextBox sizeTextBox;
-  private final IntConsumer onSizeEntered;
-
-  public CollectionSizeInputWindow(WindowBasedTextGUI gui, IntConsumer onSizeEntered) {
-
-    super("Задать размер", gui);
-
-    this.onSizeEntered = onSizeEntered;
-
-    Panel panel = new Panel();
-    panel.setLayoutManager(new LinearLayout());
-
-    panel.addComponent(new Label("Введите размер:"));
-
-    sizeTextBox = new TextBox();
-    panel.addComponent(sizeTextBox);
-
-    panel.addComponent(new Button("Подтвердить", this::handleSizeEntered));
-
-    panel.addComponent(new Button("Выйти", this::close));
-
-    setComponent(panel);
-  }
-
-  private void handleSizeEntered() {
-    try {
-      int size = Integer.parseInt(sizeTextBox.getText().trim());
-
-      if (size <= 0) {
-        MessageWindow.create(gui, "Размер должен быть больше 0.");
-        return;
-      }
-
-      close();
-      onSizeEntered.accept(size);
-
-    } catch (NumberFormatException e) {
-      MessageWindow.create(gui, "Введите целое число.");
-    }
-  }
-}

app/src/main/java/ru/project/ui/window/InputValueWindow.java

@@ -0,0 +1,56 @@
+package ru.project.ui.window;
+
+import com.googlecode.lanterna.gui2.Button;
+import com.googlecode.lanterna.gui2.Label;
+import com.googlecode.lanterna.gui2.LinearLayout;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.TextBox;
+import com.googlecode.lanterna.gui2.WindowBasedTextGUI;
+import java.util.function.Predicate;
+import ru.project.ui.base.BaseWindow;
+
+public class InputValueWindow extends BaseWindow {
+
+  private final TextBox textBox;
+  private final Predicate<String> onSave;
+
+  public InputValueWindow(
+      WindowBasedTextGUI gui,
+      String title,
+      String prompt,
+      String initialValue,
+      Predicate<String> onSave) {
+
+    super(title, gui);
+
+    this.onSave = onSave;
+
+    Panel panel = new Panel();
+    panel.setLayoutManager(new LinearLayout());
+
+    panel.addComponent(new Label(prompt));
+
+    textBox = new TextBox(initialValue == null ? "" : initialValue);
+
+    panel.addComponent(textBox);
+
+    panel.addComponent(new Button("Сохранить", this::save));
+
+    panel.addComponent(new Button("Отмена", this::close));
+
+    setComponent(panel);
+  }
+
+  private void save() {
+    String value = textBox.getText().trim();
+
+    if (value.isEmpty()) {
+      MessageWindow.show(gui, "Значение не может быть пустым.");
+      return;
+    }
+
+    if (onSave.test(value)) {
+      close();
+    }
+  }
+}