refractor: login module (#283)

* Refractor components.
* Shift language and footer component to shared module.
* Replace mat-icons by font-awesome icons.
* Add comments.

Fixes #284

src/app/shared/delete-dialog/delete-dialog.component.ts

@@ -13,8 +13,8 @@ import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
 export class DeleteDialogComponent implements OnInit {
 
   /**
-   * @param dialogRef Component reference to dialog.
-   * @param data Provides a deleteContext.
+   * @param {MatDialogRef} dialogRef Component reference to dialog.
+   * @param {any} data Provides a deleteContext.
    */
   constructor(public dialogRef: MatDialogRef<DeleteDialogComponent>,
               @Inject(MAT_DIALOG_DATA) public data: any) { }

src/app/shared/file-upload/file-upload.component.ts

@@ -21,7 +21,7 @@ export class FileUploadComponent implements OnInit {
 
   /**
    * Uploads a file.
-   * @param {any} $event The file input change event.
+   * @param {any} event The file input change event.
    */
   onFileSelected($event: any) {
     this.fileName = $event.target.files[0].name;

src/app/shared/footer/footer.component.html

@@ -0,0 +1,5 @@
+<div fxLayout="column" id="footer" class="m-b-20">
+  <mat-divider fxFlexAlign="center" class="divider"></mat-divider>
+  <p fxFlexAlign="center" class="footer-content">Version {{ version }}</p>
+  <p fxFlexAlign="center" class="footer-content">Mifos X is up to date</p>
+</div>

src/app/shared/footer/footer.component.scss

@@ -0,0 +1,10 @@
+#footer {
+  .divider {
+    margin: 1rem 1rem 0.5rem;
+    width: 4rem;
+  }
+
+  .footer-content {
+    margin: 0;
+  }
+}

src/app/shared/footer/footer.component.spec.ts

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

src/app/shared/footer/footer.component.ts

@@ -0,0 +1,25 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+
+/** Environment Configuration */
+import { environment } from 'environments/environment';
+
+/**
+ *  Footer component.
+ */
+@Component({
+  selector: 'mifosx-footer',
+  templateUrl: './footer.component.html',
+  styleUrls: ['./footer.component.scss']
+})
+export class FooterComponent implements OnInit {
+
+  /** Mifos X version. */
+  version: string = environment.version;
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/shared/icons.module.ts

@@ -5,18 +5,31 @@ import { NgModule } from '@angular/core';
 import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
 import { library } from '@fortawesome/fontawesome-svg-core';
 import {
+  faCheckCircle,
+  faEye,
+  faEyeSlash,
   faFileUpload,
-  faSearch
+  faLock,
+  faSearch,
+  faUserCircle,
+  faUserShield
 } from '@fortawesome/free-solid-svg-icons';
 
 /** Add icons to the library for convenient access in other components. */
 library.add(
+  faCheckCircle,
+  faEye,
+  faEyeSlash,
   faFileUpload,
-  faSearch
+  faLock,
+  faSearch,
+  faUserCircle,
+  faUserShield
 );
 
 /**
  * Icons Module
+ *
  * Angular Font Awesome module is exported here.
  */
 @NgModule({

src/app/shared/index.ts

@@ -1,2 +1,2 @@
-export * from './shared.module';
+export { SharedModule } from './shared.module';
 export { DeleteDialogComponent } from './delete-dialog/delete-dialog.component';

src/app/shared/language-selector/language-selector.component.html

@@ -0,0 +1,8 @@
+<mat-form-field id="language-selector">
+  <mat-label>Language</mat-label>
+  <mat-select [formControl]="languageSelector">
+    <mat-option *ngFor="let language of languages" [value]="language">
+      {{ language }}
+    </mat-option>
+  </mat-select>
+</mat-form-field>

src/app/shared/language-selector/language-selector.component.scss

@@ -0,0 +1,3 @@
+#language-selector {
+  max-width: 4rem;
+}

src/app/shared/language-selector/language-selector.component.spec.ts

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

src/app/shared/language-selector/language-selector.component.ts

@@ -0,0 +1,59 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+import { FormControl } from '@angular/forms';
+
+/** Custom Services */
+import { I18nService } from 'app/core';
+
+/**
+ * Language selector component.
+ *
+ * TODO: Decision to be taken on using ngx-translate or angular-internationalization
+ *       to provide language support in the application.
+ */
+@Component({
+  selector: 'mifosx-language-selector',
+  templateUrl: './language-selector.component.html',
+  styleUrls: ['./language-selector.component.scss']
+})
+export class LanguageSelectorComponent implements OnInit {
+
+  /** Language selector form control. */
+  languageSelector = new FormControl();
+
+  /**
+   * Sets the language of the application in the selector on initial setup.
+   * @param {I18nService} i18nService Internationalization Service.
+   */
+  constructor(private i18nService: I18nService) {
+    this.languageSelector.setValue(this.currentLanguage);
+  }
+
+  ngOnInit() {
+  }
+
+  /**
+   * Sets a new language to be used by the application.
+   * @param {string} language New language.
+   */
+  setLanguage(language: string) {
+    this.i18nService.language = language;
+  }
+
+  /**
+   * Returns the current language used by the application.
+   * @returns {string} Current language.
+   */
+  get currentLanguage(): string {
+    return this.i18nService.language;
+  }
+
+  /**
+   * Returns all the languages supported by the application.
+   * @return {string[]} Supported languages.
+   */
+  get languages(): string[] {
+    return this.i18nService.supportedLanguages;
+  }
+
+}

src/app/shared/material.module.ts

@@ -41,6 +41,7 @@ import {
 
 /**
  * Material Module
+ *
  * Angular CDK, Angular Material and Flex Layout modules are exported here.
  */
 @NgModule({

src/app/shared/shared.module.ts

@@ -1,34 +1,44 @@
  /** Angular Imports */
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { ReactiveFormsModule } from '@angular/forms';
 
 /** Custom Components */
-import { FileUploadComponent } from './file-upload/file-upload.component';
 import { DeleteDialogComponent } from './delete-dialog/delete-dialog.component';
+import { FileUploadComponent } from './file-upload/file-upload.component';
+import { FooterComponent } from './footer/footer.component';
+import { LanguageSelectorComponent } from './language-selector/language-selector.component';
 
 /** Custom Modules */
-import { MaterialModule } from './material.module';
 import { IconsModule } from './icons.module';
+import { MaterialModule } from './material.module';
 
 /**
  * Shared Module
+ *
  * Modules and components that are shared throughout the application should be here.
  */
 @NgModule({
   imports: [
     CommonModule,
     IconsModule,
-    MaterialModule
+    MaterialModule,
+    ReactiveFormsModule
   ],
   declarations: [
     DeleteDialogComponent,
-    FileUploadComponent
+    FileUploadComponent,
+    FooterComponent,
+    LanguageSelectorComponent
   ],
   exports: [
     FileUploadComponent,
+    FooterComponent,
+    LanguageSelectorComponent,
     CommonModule,
     IconsModule,
-    MaterialModule
+    MaterialModule,
+    ReactiveFormsModule
   ],
   entryComponents: [
     DeleteDialogComponent