Nick Stolbov
3 years ago
3 changed files with 80 additions and 27 deletions
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49src/main/java/Application/MenuManager.java
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50src/test/java/Application/MenuManagerTest.java
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6src/test/java/Application/MenuTest.java
@ -1,32 +1,61 @@ |
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package Application; |
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import java.util.ArrayList; |
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public class MenuManager { |
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private Menu rootMenu; |
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private ArrayList<Menu> menuList; |
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private Menu currentMenu; |
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public MenuManager(Menu rootMenu){ |
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this.rootMenu = rootMenu; |
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this.currentMenu = rootMenu; |
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public MenuManager() { |
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menuList = new ArrayList<>(); |
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currentMenu = null; |
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} |
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public void addMenu(Menu menu) { |
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menuList.add(menu); |
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} |
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public int getSize() { |
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if(inRootMenu()) |
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return menuList.size(); |
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return currentMenu.getSubMenuList().size(); |
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} |
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public void select(int i){ |
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public void select(int i) { |
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if(i < 0 || i >= this.getSize()) |
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return; |
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if (currentMenu == null) |
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this.currentMenu = menuList.get(i); |
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else |
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this.currentMenu = currentMenu.getMenu(i); |
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} |
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public void back() throws Exception { |
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if(!this.inRootMenu()) |
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if (!this.inRootMenu()) |
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this.currentMenu = this.currentMenu.getPreviousMenu(); |
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else |
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throw new Exception("Menu is a root menu, a previous menu doesn't exist"); |
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throw new Exception("Menu is in the root menu, a previous menu doesn't exist"); |
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} |
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public Menu getCurrentMenu(){ |
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public Menu getCurrentMenu() { |
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return this.currentMenu; |
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} |
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public boolean inRootMenu(){ |
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return this.currentMenu.equals(this.rootMenu); |
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public boolean inRootMenu() { |
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return this.currentMenu == null; |
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} |
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public String getFormattedMenuList() { |
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StringBuilder result = new StringBuilder(); |
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ArrayList<Menu> baseMenuList = this.menuList; |
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if (!inRootMenu()) |
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baseMenuList = currentMenu.getSubMenuList(); |
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for (int i = 0; i < baseMenuList.size(); i++) |
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result.append(i + 1).append(": ").append(baseMenuList.get(i).getName()).append("\n"); |
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return result.toString(); |
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} |
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} |
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