add password-board component

initial implementation
update project version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "megaman2",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",

src/app/app.module.ts

@@ -3,11 +3,13 @@ import { NgModule } from '@angular/core';
 
 import { AppComponent } from './app.component';
 import { Megaman2Component } from './components/megaman2/megaman2.component';
+import { PasswordBoardComponent } from './components/password-board/password-board.component';
 
 @NgModule({
   declarations: [
     AppComponent,
-    Megaman2Component
+    Megaman2Component,
+    PasswordBoardComponent
   ],
   imports: [
     BrowserModule

src/app/components/megaman2/megaman2.component.html

@@ -1,9 +1,10 @@
+<mm2-password-board [data]="password.compute"></mm2-password-board>
 <pre>{{ passwordCoordinates }}</pre>
 
 <button (click)="password.incEtanks()" [disabled]="isIncButtonDisable">Increase E-tank</button>
 <button (click)="password.decEtanks()" [disabled]="isDecButtonDisable">Decrease E-tank</button>
 
-<p>E-tanks: {{ password.currentEtanks }}</p>
+<p>{{ password.currentEtanks }} E-tanks</p>
 
 <div *ngFor="let boss of password.bosses">
   <input type="checkbox" (change)="boss.toggleIsDefeated()" [id]="boss.name">

src/app/components/password-board/password-board.component.css

@@ -0,0 +1,11 @@
+table {
+  border-collapse: collapse;
+}
+
+td {
+  border: 1px solid black;
+}
+
+.hide {
+  border: none;
+}

src/app/components/password-board/password-board.component.html

@@ -0,0 +1,18 @@
+<table>
+  <tr>
+    <td class="hide"></td>
+    <th>1</th>
+    <th>2</th>
+    <th>3</th>
+    <th>4</th>
+    <th>5</th>
+  </tr>
+  <tr *ngFor="let row of rows">
+    <th>{{ row[0] }}</th>
+    <td>{{ row[1] }}</td>
+    <td>{{ row[2] }}</td>
+    <td>{{ row[3] }}</td>
+    <td>{{ row[4] }}</td>
+    <td>{{ row[5] }}</td>
+  </tr>
+</table>

src/app/components/password-board/password-board.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PasswordBoardComponent } from './password-board.component';
+
+describe('PasswordBoardComponent', () => {
+  let component: PasswordBoardComponent;
+  let fixture: ComponentFixture<PasswordBoardComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ PasswordBoardComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PasswordBoardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/password-board/password-board.component.ts

@@ -0,0 +1,43 @@
+import { Component, Input } from '@angular/core';
+import { Coordinate as xy } from 'src/app/models/coordinate.model';
+
+@Component({
+  selector: 'mm2-password-board',
+  templateUrl: './password-board.component.html',
+  styleUrls: ['./password-board.component.css']
+})
+export class PasswordBoardComponent {
+
+  @Input()
+  data: Array<xy> = [];
+
+  get rows(): any {
+    const rows = [];
+    for (let x of this.rowHeader) {
+      const newRow = [x];
+      for (let y of this.colHeader) {
+        const marker = this.getMarker(x, y);
+        newRow.push(marker);
+      }
+      rows.push(newRow);
+    }
+    return rows;
+  }
+
+  // LOWER LEVEL IMPLEMENTATION DETAILS
+
+  private getMarker(x: string, y: string): string {
+    const target = `${x}${y}`;
+    const wasFound = this.data.find(candidate => candidate.xy === target);
+    return wasFound ? '*' : '';
+  }
+
+  private get colHeader(): Array<string> {
+    return ['1', '2', '3', '4', '5'];
+  }
+
+  private get rowHeader(): Array<string> {
+    return ['A', 'B', 'C', 'D', 'E'];
+  }
+
+}