From a084a81779b5a38440f5d7f15e4d2beace6a32f9 Mon Sep 17 00:00:00 2001
From: Sonja Galovic <galovicsonja@gmail.com>
Date: Sat, 12 Mar 2022 22:26:55 +0100
Subject: Komponenta za ucitavanje i prikaz csv fajla v3; dodat
 material.module.ts

---
 .../dataset-load/dataset-load.component.html       | 40 +++++++++------------
 .../dataset-load/dataset-load.component.ts         | 41 ++++++++++++----------
 .../_pages/login-page/login-page.component.html    |  3 +-
 frontend/src/app/app.module.ts                     |  8 +++--
 frontend/src/app/material.module.ts                | 18 ++++++++++
 5 files changed, 66 insertions(+), 44 deletions(-)
 create mode 100644 frontend/src/app/material.module.ts

(limited to 'frontend/src/app')

diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.html b/frontend/src/app/_elements/dataset-load/dataset-load.component.html
index 0b62a515..c89add43 100644
--- a/frontend/src/app/_elements/dataset-load/dataset-load.component.html
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.html
@@ -1,46 +1,40 @@
 <div>
 
   <input style="display: inline-block; width:350px;" list=delimiterOptions
-    placeholder="Izaberite ili ukucajte delimiter za .csv fajl" class="form-control" [(ngModel)]="delimiter">
+    placeholder="Izaberite ili ukucajte delimiter za .csv fajl" class="form-control" [(ngModel)]="delimiter"
+    (input)="update()">
   <datalist id=delimiterOptions>
     <option *ngFor="let option of delimiterOptions">{{option}}</option>
   </datalist>
-  &nbsp;&nbsp;&nbsp;
-  <input style="display: inline-block" [ngStyle]="{width:'350px'}" list=headerOptions
-    placeholder="Da li .csv ima header?" class="form-control" [(ngModel)]="header">
-  <datalist id=headerOptions>
-    <option *ngFor="let option of headerOptions">{{option}}</option>
-  </datalist>
-
+  &nbsp;&nbsp;&nbsp;&nbsp;
+  <label for="checkboxHeader">Da li .csv ima header?</label> &nbsp;
+  <input (input)="update()" [(ngModel)]="hasHeader" type="checkbox" value="" id="checkboxHeader" checked>
   <br><br>
 
-  <input class="form-control mb-5" type="file" class="upload" (change)="changeListener($event)">
+  <input id="fileInput" class="form-control mb-5" type="file" class="upload" (change)="changeListener($event)" accept=".csv">
 
-  <table class="table table-bordered table-light mt-5">
+  <table *ngIf="csvRecords.length > 0 && hasHeader" class="table table-bordered table-light mt-5">
     <thead>
       <tr>
         <th *ngFor="let item of csvRecords[0]; let i = index">{{item}}</th>
       </tr>
     </thead>
     <tbody>
-      <!--<tr *ngFor="let row of csvRecords | ((header == 'Da') ? (slice:1:11) : (slice:0:11))">-->
-      <!--<ng-container *ngIf="header == 'Da'">
-          <tr *ngFor="let row of csvRecords | slice:1:11">
-            <td *ngFor="let col of row">{{col}}</td>
-          </tr>
-        </ng-container>
-        <ng-container *ngIf="header == 'Ne'">
-          <tr *ngFor="let row of csvRecords | slice:0:10">
-            <td *ngFor="let col of row">{{col}}</td>
-          </tr>
-        </ng-container>-->
-
       <tr *ngFor="let row of csvRecords | slice:1:11">
         <td *ngFor="let col of row">{{col}}</td>
       </tr>
     </tbody>
   </table>
-  <div *ngIf="csvRecords[0]" id="info">
+
+  <table *ngIf="csvRecords.length > 0 && !hasHeader" class="table table-bordered table-light mt-5">
+    <tbody>
+      <tr *ngFor="let row of csvRecords | slice:0:10">
+        <td *ngFor="let col of row">{{col}}</td>
+      </tr>
+    </tbody>
+  </table>
+
+  <div *ngIf="csvRecords.length > 0" id="info">
     . . . <br>
     {{rowsNumber}} x {{colsNumber}}
   </div>
diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.ts b/frontend/src/app/_elements/dataset-load/dataset-load.component.ts
index 7cdfe384..843a5709 100644
--- a/frontend/src/app/_elements/dataset-load/dataset-load.component.ts
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.ts
@@ -11,12 +11,12 @@ export class DatasetLoadComponent {
   delimiter: string = "";
   delimiterOptions: Array<string> = [",", ";", "\t", "razmak", "|"]; //podrazumevano ","
 
-  header: string = "";
-  headerOptions: Array<string> = ["Da", "Ne"]; //podrazumevano je "Da" ======> false
+  hasHeader: boolean = true;
 
   slice: string = "";
 
   csvRecords: any[] = [];
+  files: any[] = [];
   rowsNumber: number = 0;
   colsNumber: number = 0;
 
@@ -25,25 +25,30 @@ export class DatasetLoadComponent {
 
   @ViewChild('fileImportInput', { static: false }) fileImportInput: any;
 
-    changeListener($event: any): void {
+  changeListener($event: any): void {
+    this.files = $event.srcElement.files;
+    this.update();
+  }
 
-    const files = $event.srcElement.files;
+  update() {
 
-    this.ngxCsvParser.parse(files[0], { header: (this.header == "") ? false : (this.header == "Da") ? false : true, delimiter: (this.delimiter == "razmak") ? " " : (this.delimiter == "") ? "," : this.delimiter})
-      .pipe().subscribe((result) => {
+    if (this.files.length < 1)
+      return;
 
-        console.log('Result', result);
-        if (result.constructor === Array) {
-          this.csvRecords = result;
-          this.rowsNumber = this.csvRecords.length;
-          this.colsNumber = this.csvRecords[0].length;
-        }
-        
-      }, (error: NgxCSVParserError) => {
-        console.log('Error', error);
-      });
+    this.ngxCsvParser.parse(this.files[0], { header: false, delimiter: (this.delimiter == "razmak") ? " " : (this.delimiter == "") ? "," : this.delimiter})
+    .pipe().subscribe((result) => {
 
+      //console.log('Result', result);
+      if (result.constructor === Array) {
+        this.csvRecords = result;
+        if (this.hasHeader)
+          this.rowsNumber = this.csvRecords.length - 1;
+        else 
+          this.rowsNumber = this.csvRecords.length;
+        this.colsNumber = this.csvRecords[0].length;
+      }
+    }, (error: NgxCSVParserError) => {
+      console.log('Error', error);
+    });
   }
-
-
 }
diff --git a/frontend/src/app/_pages/login-page/login-page.component.html b/frontend/src/app/_pages/login-page/login-page.component.html
index 87e2a78e..76a4ee7b 100644
--- a/frontend/src/app/_pages/login-page/login-page.component.html
+++ b/frontend/src/app/_pages/login-page/login-page.component.html
@@ -5,7 +5,8 @@
     <div class="container p-5 rounded-3 shadow-sm border" style="max-width: 50em; margin-top: 50px;">
         <h3 class="text-center pb-5">Prijavite se</h3>
         <form>
-            <!-- Email input -->
+            <!-- Username input -->
+            <!-- Username input -->
             <div class="form-outline mb-4">
                 <label class="form-label" for="username">Korisničko ime</label>
                 <input [(ngModel)]="username" name="username" type="text" id="username"
diff --git a/frontend/src/app/app.module.ts b/frontend/src/app/app.module.ts
index 16bb7ce5..aa5d018d 100644
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -10,8 +10,10 @@ import { RegisterPageComponent } from './_pages/register-page/register-page.comp
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { OnlyAuthorizedComponent } from './_pages/only-authorized/only-authorized.component';
 import { DatasetLoadComponent } from './_elements/dataset-load/dataset-load.component';
-import { NgxCsvParser } from 'ngx-csv-parser';
 import { AddModelComponent } from './_pages/add-model/add-model.component';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+
+import { MaterialModule } from './material.module';
 
 @NgModule({
   declarations: [
@@ -27,7 +29,9 @@ import { AddModelComponent } from './_pages/add-model/add-model.component';
     AppRoutingModule,
     FormsModule,
     HttpClientModule,
-    NgbModule
+    NgbModule,
+    BrowserAnimationsModule,
+    MaterialModule
   ],
   providers: [],
   bootstrap: [AppComponent]
diff --git a/frontend/src/app/material.module.ts b/frontend/src/app/material.module.ts
new file mode 100644
index 00000000..e85419ee
--- /dev/null
+++ b/frontend/src/app/material.module.ts
@@ -0,0 +1,18 @@
+import { NgModule } from '@angular/core';
+
+import { MatDialogModule } from '@angular/material/dialog';
+import { MatButtonModule } from '@angular/material/button';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatInputModule } from '@angular/material/input';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+
+@NgModule({
+  exports: [
+    MatDialogModule,
+    MatButtonModule,
+    MatFormFieldModule,
+    MatInputModule,
+    MatCheckboxModule
+  ]
+})
+export class MaterialModule {}
\ No newline at end of file
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