From ff03ca521ff22d0430e27a4216a69e6a79d653ae Mon Sep 17 00:00:00 2001
From: Mateus Meyer Jiacomelli <meyergdh@gmail.com>
Date: Mon, 6 Sep 2021 07:11:19 +0000
Subject: [PATCH] Service + Slide Component refactor

---
 src/app/app.module.ts                         |  8 +++
 .../service-item/service-item.component.html  |  3 ++
 .../service-item/service-item.component.scss  |  0
 .../service-item/service-item.component.ts    | 40 +++++++++++++++
 .../service-list/service-list.component.html  |  7 +++
 .../service-list/service-list.component.scss  |  0
 .../service-list/service-list.component.ts    | 41 +++++++++++++++
 .../components/service/service.component.html |  4 +-
 .../components/service/service.component.ts   | 42 ++--------------
 .../slide-item/slide-item.component.html      | 13 +++++
 .../slide-item/slide-item.component.scss      | 34 +++++++++++++
 .../slides/slide-item/slide-item.component.ts | 20 ++++++++
 .../slide-list/slide-list.component.html      |  1 +
 .../slide-list/slide-list.component.scss      |  0
 .../slides/slide-list/slide-list.component.ts | 50 +++++++++++++++++++
 .../components/slides/slides.component.html   | 13 +----
 .../components/slides/slides.component.scss   | 33 ------------
 src/app/components/slides/slides.component.ts | 30 +++--------
 18 files changed, 230 insertions(+), 109 deletions(-)
 create mode 100644 src/app/components/service/service-item/service-item.component.html
 create mode 100644 src/app/components/service/service-item/service-item.component.scss
 create mode 100644 src/app/components/service/service-item/service-item.component.ts
 create mode 100644 src/app/components/service/service-list/service-list.component.html
 create mode 100644 src/app/components/service/service-list/service-list.component.scss
 create mode 100644 src/app/components/service/service-list/service-list.component.ts
 create mode 100644 src/app/components/slides/slide-item/slide-item.component.html
 create mode 100644 src/app/components/slides/slide-item/slide-item.component.scss
 create mode 100644 src/app/components/slides/slide-item/slide-item.component.ts
 create mode 100644 src/app/components/slides/slide-list/slide-list.component.html
 create mode 100644 src/app/components/slides/slide-list/slide-list.component.scss
 create mode 100644 src/app/components/slides/slide-list/slide-list.component.ts

diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 559156b..bafbc08 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -38,6 +38,10 @@ import { MainViewComponent } from './components/main-view/main-view.component';
 import { ChordProPipe } from './components/chord-view/chordpro.pipe';
 import { LoginComponent } from './components/login/login.component';
 import { ThemesComponent } from './components/themes/themes.component';
+import { SlideListComponent } from './components/slides/slide-list/slide-list.component';
+import { SlideItemComponent } from './components/slides/slide-item/slide-item.component';
+import { ServiceItemComponent } from './components/service/service-item/service-item.component';
+import { ServiceListComponent } from './components/service/service-list/service-list.component';
 
 
 @NgModule({
@@ -50,10 +54,14 @@ import { ThemesComponent } from './components/themes/themes.component';
     ChordProPipe,
     LoginComponent,
     ServiceComponent,
+    ServiceListComponent,
+    ServiceItemComponent,
     AlertComponent,
     SearchComponent,
     SearchOptionsComponent,
     SlidesComponent,
+    SlideListComponent,
+    SlideItemComponent,
     ThemesComponent
   ],
   imports: [
diff --git a/src/app/components/service/service-item/service-item.component.html b/src/app/components/service/service-item/service-item.component.html
new file mode 100644
index 0000000..0ec97ec
--- /dev/null
+++ b/src/app/components/service/service-item/service-item.component.html
@@ -0,0 +1,3 @@
+<mat-card (click)="onItemSelected(item)" class="service-item no-select" [class.selected]="selected">
+  <mat-icon>{{ getIcon(item) }}</mat-icon> {{ item.title }}
+</mat-card>
diff --git a/src/app/components/service/service-item/service-item.component.scss b/src/app/components/service/service-item/service-item.component.scss
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/components/service/service-item/service-item.component.ts b/src/app/components/service/service-item/service-item.component.ts
new file mode 100644
index 0000000..6cc6c97
--- /dev/null
+++ b/src/app/components/service/service-item/service-item.component.ts
@@ -0,0 +1,40 @@
+import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
+
+import { ServiceItem } from '../../../responses';
+
+@Component({
+  selector: 'openlp-service-item',
+  templateUrl: './service-item.component.html',
+  styleUrls: ['./service-item.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+
+export class ServiceItemComponent {
+  @Input() item: ServiceItem;
+  @Input() selected = false;
+  @Output() select = new EventEmitter<ServiceItem>();
+
+  onItemSelected(item: ServiceItem) {
+    this.select.emit(item);
+  }
+
+  getIcon(item: ServiceItem): string {
+    if (!item.is_valid) {
+      return 'delete';
+    } else if (item.plugin === 'songs') {
+      return 'queue_music';
+    } else if (item.plugin === 'images') {
+      return 'image';
+    } else if (item.plugin === 'bibles') {
+      return 'book';
+    } else if (item.plugin === 'media') {
+      return 'movie';
+    } else if (item.plugin === 'custom') {
+      return 'description';
+    } else if (item.plugin === 'presentations') {
+      return 'slideshow';
+    }
+    return 'crop_square';
+  }
+
+}
diff --git a/src/app/components/service/service-list/service-list.component.html b/src/app/components/service/service-list/service-list.component.html
new file mode 100644
index 0000000..88aa87a
--- /dev/null
+++ b/src/app/components/service/service-list/service-list.component.html
@@ -0,0 +1,7 @@
+<openlp-service-item
+	*ngFor="let item of items"
+  [item]="item"
+  [selected]="item.selected"
+  (select)="onItemSelected($event)"
+  [tabindex]="item.id"
+></openlp-service-item>
diff --git a/src/app/components/service/service-list/service-list.component.scss b/src/app/components/service/service-list/service-list.component.scss
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/components/service/service-list/service-list.component.ts b/src/app/components/service/service-list/service-list.component.ts
new file mode 100644
index 0000000..d562064
--- /dev/null
+++ b/src/app/components/service/service-list/service-list.component.ts
@@ -0,0 +1,41 @@
+import { Component, EventEmitter, OnDestroy, OnInit, Output } from '@angular/core';
+import { Subscription } from 'rxjs';
+
+import { OpenLPService } from '../../../openlp.service';
+import { ServiceItem } from '../../../responses';
+
+@Component({
+  selector: 'openlp-service-list',
+  templateUrl: './service-list.component.html',
+  styleUrls: ['./service-list.component.scss'],
+})
+
+export class ServiceListComponent implements OnInit, OnDestroy {
+  items: ServiceItem[] = [];
+  _subscription: Subscription;
+
+  @Output() itemSelected = new EventEmitter<ServiceItem>();
+
+  ngOnInit() {
+    this.fetchServiceItems();
+  }
+
+  onItemSelected(item: ServiceItem) {
+    this.itemSelected.emit(item);
+  }
+
+  fetchServiceItems() {
+    this.openlpService.getServiceItems().subscribe(items => this.items = items);
+  }
+
+  constructor(private openlpService: OpenLPService) {
+    this._subscription = openlpService.stateChanged$.subscribe(state => {
+      this.fetchServiceItems();
+    });
+  }
+
+  ngOnDestroy() {
+    this._subscription.unsubscribe();
+  }
+}
+
diff --git a/src/app/components/service/service.component.html b/src/app/components/service/service.component.html
index a252bc6..3098291 100644
--- a/src/app/components/service/service.component.html
+++ b/src/app/components/service/service.component.html
@@ -1,3 +1 @@
-<mat-card *ngFor="let item of items; let counter = index;" (click)="onItemSelected(item)" [tabindex]="item.id" class="service-item no-select">
-  <mat-icon>{{ getIcon(item) }}</mat-icon> {{ item.title }}
-</mat-card>
+<openlp-service-list (itemSelected)="this.onItemSelected($event)"></openlp-service-list>
\ No newline at end of file
diff --git a/src/app/components/service/service.component.ts b/src/app/components/service/service.component.ts
index 25b5268..6f24438 100644
--- a/src/app/components/service/service.component.ts
+++ b/src/app/components/service/service.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component } from '@angular/core';
 import { Router } from '@angular/router';
 
 import { OpenLPService } from '../../openlp.service';
@@ -9,50 +9,18 @@ import { ServiceItem } from '../../responses';
   selector: 'openlp-service',
   templateUrl: './service.component.html',
   styleUrls: ['./service.component.scss'],
-  providers: [OpenLPService]
 })
 
-export class ServiceComponent implements OnInit {
-  items: ServiceItem[] = [];
-
-  ngOnInit() {
-    this.getServiceItems();
-  }
-
-  onItemSelected(item) {
+export class ServiceComponent {
+  onItemSelected(item: ServiceItem) {
     if (item.is_valid) {
       this.openlpService.setServiceItem(item.id).subscribe();
       this.router.navigate(['slides']);
     }
   }
 
-  getServiceItems() {
-    this.openlpService.getServiceItems().subscribe(items => this.items = items);
-  }
-
-  constructor(private pageTitleService: PageTitleService, private openlpService: OpenLPService,
-              private router: Router) {
+  constructor(protected pageTitleService: PageTitleService, protected openlpService: OpenLPService,
+              protected router: Router) {
     pageTitleService.changePageTitle('Service');
-    openlpService.stateChanged$.subscribe(item => this.getServiceItems());
   }
-
-  getIcon(item: ServiceItem): string {
-    if (!item.is_valid) {
-      return 'delete';
-    } else if (item.plugin === 'songs') {
-      return 'queue_music';
-    } else if (item.plugin === 'images') {
-      return 'image';
-    } else if (item.plugin === 'bibles') {
-      return 'book';
-    } else if (item.plugin === 'media') {
-      return 'movie';
-    } else if (item.plugin === 'custom') {
-      return 'description';
-    } else if (item.plugin === 'presentations') {
-      return 'slideshow';
-    }
-    return 'crop_square';
-  }
-
 }
diff --git a/src/app/components/slides/slide-item/slide-item.component.html b/src/app/components/slides/slide-item/slide-item.component.html
new file mode 100644
index 0000000..d5a3d70
--- /dev/null
+++ b/src/app/components/slides/slide-item/slide-item.component.html
@@ -0,0 +1,13 @@
+<mat-card class="slide no-select" mat-list-item (click)="onSlideSelected(slide)" [class.selected]="selected">
+  <div class="verse-tag">{{ slide?.tag }}</div>
+  <div *ngIf="slide?.img; else onlySlideText" class="verse-img-container">
+    <img src="{{ slide?.img }}" />
+    <div class="img-verse-text">
+      {{ slide?.text }}
+    </div>
+  </div>
+  <ng-template #onlySlideText>
+    <div class="verse-text">{{ slide?.text }}</div>
+  </ng-template>
+</mat-card>
+
diff --git a/src/app/components/slides/slide-item/slide-item.component.scss b/src/app/components/slides/slide-item/slide-item.component.scss
new file mode 100644
index 0000000..329a44b
--- /dev/null
+++ b/src/app/components/slides/slide-item/slide-item.component.scss
@@ -0,0 +1,34 @@
+mat-card {
+  cursor: pointer;
+}
+
+.selected {
+  background-color: rgb(235, 235, 235);
+  font-weight: 700;
+}
+
+.verse-tag {
+  float: left;
+}
+
+.verse-text {
+  margin-left: 2.5rem;
+  white-space: pre-wrap;
+}
+/* Styles for displaying thumbnails */
+.verse-img-container {
+  /* CSS for formatting DIV containing the image */
+  margin-left: 2.5rem;
+  display: inline-block;
+}
+.verse-img-container img {
+  /* Roughly basing these values off of the current thumbnail size */
+  /* Images sent from OpenLP should be larger and should be sized based on viewer screen size */
+  max-height: 75%;
+  min-height: 88px;
+}
+.img-verse-text {
+  font-size: 1.1rem;
+  white-space: pre-wrap;
+}
+
diff --git a/src/app/components/slides/slide-item/slide-item.component.ts b/src/app/components/slides/slide-item/slide-item.component.ts
new file mode 100644
index 0000000..02ea22b
--- /dev/null
+++ b/src/app/components/slides/slide-item/slide-item.component.ts
@@ -0,0 +1,20 @@
+import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
+import { Slide } from '../../../responses';
+
+@Component({
+  selector: 'openlp-slide-item',
+  templateUrl: './slide-item.component.html',
+  styleUrls: ['./slide-item.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+
+export class SlideItemComponent {
+  @Input() slide: Slide;
+  @Input() selected = false;
+  @Output() select = new EventEmitter<Slide>();
+
+  onSlideSelected(slide: Slide) {
+    this.select.emit(slide);
+  }
+}
+
diff --git a/src/app/components/slides/slide-list/slide-list.component.html b/src/app/components/slides/slide-list/slide-list.component.html
new file mode 100644
index 0000000..cf049ac
--- /dev/null
+++ b/src/app/components/slides/slide-list/slide-list.component.html
@@ -0,0 +1 @@
+<openlp-slide-item *ngFor="let slide of slides; let index = index" [slide]="slide" [tabindex]="counter" [selected]="slide.selected" (select)="onSlideSelected($event, index)"></openlp-slide-item>
\ No newline at end of file
diff --git a/src/app/components/slides/slide-list/slide-list.component.scss b/src/app/components/slides/slide-list/slide-list.component.scss
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/components/slides/slide-list/slide-list.component.ts b/src/app/components/slides/slide-list/slide-list.component.ts
new file mode 100644
index 0000000..5a02da5
--- /dev/null
+++ b/src/app/components/slides/slide-list/slide-list.component.ts
@@ -0,0 +1,50 @@
+import { Component, EventEmitter, OnDestroy, OnInit, Output } from '@angular/core';
+import { Subscription } from 'rxjs';
+
+import { Slide } from '../../../responses';
+import { OpenLPService } from '../../../openlp.service';
+
+@Component({
+  selector: 'openlp-slide-list',
+  templateUrl: './slide-list.component.html',
+  styleUrls: ['./slide-list.component.scss'],
+})
+
+export class SlideListComponent implements OnInit, OnDestroy {
+  slides: Slide[] = null;
+  @Output() slideSelected = new EventEmitter<SlideListItem>();
+  _subscription: Subscription;
+
+  constructor(private openlpService: OpenLPService) {
+    this._subscription = openlpService.stateChanged$.subscribe(item => this.fetchSlides());
+  }
+
+  ngOnInit() {
+    this.fetchSlides();
+  }
+
+  ngOnDestroy() {
+    this._subscription.unsubscribe();
+  }
+
+  onSlideSelected(slide: Slide, index: number) {
+    this.slideSelected.emit({slide, index});
+  }
+
+  fetchSlides() {
+    this.openlpService.getServiceItem().subscribe(serviceItem => {
+      if (serviceItem instanceof Array) {
+        this.slides = serviceItem;
+      }
+      else {
+        this.slides = serviceItem.slides;
+      }
+    });
+  }
+}
+
+export interface SlideListItem {
+  slide: Slide;
+  index: number;
+}
+
diff --git a/src/app/components/slides/slides.component.html b/src/app/components/slides/slides.component.html
index 7b62e4f..cf00020 100644
--- a/src/app/components/slides/slides.component.html
+++ b/src/app/components/slides/slides.component.html
@@ -1,12 +1 @@
-<mat-card class="no-select" mat-list-item *ngFor="let slide of slides; let counter = index;" (click)="onSlideSelected(counter)" [class.selected]="slide.selected">
-  <div class="verse-tag">{{ slide.tag }}</div>
-  <div *ngIf="slide.img; else onlySlideText" class="verse-img-container">
-    <img src="{{ slide.img }}" />
-    <div class="img-verse-text">
-      {{ slide.text }}
-    </div>
-  </div>
-  <ng-template #onlySlideText>
-    <div class="verse-text">{{ slide.text }}</div>
-  </ng-template>
-</mat-card>
+<openlp-slide-list (slideSelected)="onSlideSelected($event)"></openlp-slide-list>
\ No newline at end of file
diff --git a/src/app/components/slides/slides.component.scss b/src/app/components/slides/slides.component.scss
index 43e6f90..e69de29 100644
--- a/src/app/components/slides/slides.component.scss
+++ b/src/app/components/slides/slides.component.scss
@@ -1,33 +0,0 @@
-mat-card {
-  cursor: pointer;
-}
-
-.selected {
-  background-color: rgb(235, 235, 235);
-  font-weight: 700;
-}
-
-.verse-tag {
-  float: left;
-}
-
-.verse-text {
-  margin-left: 2.5rem;
-  white-space: pre-wrap;
-}
-/* Styles for displaying thumbnails */
-.verse-img-container {
-  /* CSS for formatting DIV containing the image */
-  margin-left: 2.5rem;
-  display: inline-block;
-}
-.verse-img-container img {
-  /* Roughly basing these values off of the current thumbnail size */
-  /* Images sent from OpenLP should be larger and should be sized based on viewer screen size */
-  max-height: 75%;
-  min-height: 88px;
-}
-.img-verse-text {
-  font-size: 1.1rem;
-  white-space: pre-wrap;
-}
diff --git a/src/app/components/slides/slides.component.ts b/src/app/components/slides/slides.component.ts
index e539423..b926597 100644
--- a/src/app/components/slides/slides.component.ts
+++ b/src/app/components/slides/slides.component.ts
@@ -1,39 +1,21 @@
-import { Component, OnInit } from '@angular/core';
+import { Component } from '@angular/core';
 
 import { OpenLPService } from '../../openlp.service';
 import { PageTitleService } from '../../page-title.service';
+import { SlideListItem } from './slide-list/slide-list.component';
 
 @Component({
   selector: 'openlp-slides',
   templateUrl: './slides.component.html',
   styleUrls: ['./slides.component.scss'],
-  providers: [OpenLPService]
 })
 
-export class SlidesComponent implements OnInit {
-  slides = null;
-
-  constructor(private pageTitleService: PageTitleService, private openlpService: OpenLPService) {
+export class SlidesComponent {
+  constructor(protected pageTitleService: PageTitleService, protected openlpService: OpenLPService) {
     pageTitleService.changePageTitle('Slides');
-    openlpService.stateChanged$.subscribe(item => this.getSlides());
   }
 
-  ngOnInit() {
-    this.getSlides();
-  }
-
-  onSlideSelected(id) {
-    this.openlpService.setSlide(id).subscribe();
-  }
-
-  getSlides() {
-    this.openlpService.getServiceItem().subscribe(serviceItem => {
-      if (serviceItem instanceof Array) {
-        this.slides = serviceItem;
-      }
-      else {
-        this.slides = serviceItem.slides;
-      }
-    });
+  onSlideSelected(item: SlideListItem) {
+    this.openlpService.setSlide(item.index).subscribe();
   }
 }