1 files changed, 28 insertions, 4 deletions
diff --git a/frontend/src/app/_elements/form-dataset/form-dataset.component.ts b/frontend/src/app/_elements/form-dataset/form-dataset.component.ts
index 94ef9905..79fbe2c9 100644
--- a/frontend/src/app/_elements/form-dataset/form-dataset.component.ts
+++ b/frontend/src/app/_elements/form-dataset/form-dataset.component.ts
@@ -24,6 +24,9 @@ export class FormDatasetComponent {
   files: File[] = [];
   rowsNumber: number = 0;
   colsNumber: number = 0;
+  begin:number=0;
+  end:number=10;
+  existingFlag:boolean=false;
 
   @Input() dataset: Dataset; //dodaj ! potencijalno
 
@@ -40,7 +43,21 @@ export class FormDatasetComponent {
   }
 
   //@ViewChild('fileImportInput', { static: false }) fileImportInput: any; cemu je ovo sluzilo?
+  resetPagging(){
+    this.begin=0;
+  }
+  goBack(){
+    if(this.begin-10<=0)
+      this.begin=0;
+    else
+      this.begin-=10;
+    this.loadExisting();
 
+  }
+  goForward(){
+    this.begin+=10;
+    this.loadExisting();
+  }
   clear(){
     this.tableData.hasInput = false;
   }
@@ -56,6 +73,7 @@ export class FormDatasetComponent {
 
     this.filename = this.files[0].name;
     this.tableData.loaded = false;
+    this.existingFlag=false;
     this.update();
   }
 
@@ -64,7 +82,6 @@ export class FormDatasetComponent {
   update() {
 
     this.firstInput = true
-
     if (this.files.length < 1)
       return;
 
@@ -91,20 +108,27 @@ export class FormDatasetComponent {
   }
 
   loadExisting(){
+    this.existingFlag=true;
     this.firstInput = false;
 
     this.tableData.hasInput = true;
     this.tableData.loaded = false;
-
-    this.datasetsService.getDatasetFile(this.dataset.fileId).subscribe((file: string | undefined) => {
+    this.datasetsService.getDatasetHeader(this.dataset.fileId).subscribe((header: string | undefined)=>{
+    
+    this.datasetsService.getDatasetFilePaging(this.dataset.fileId,this.begin,this.end).subscribe((file: string | undefined) => {
       if (file) {
         this.tableData.loaded = true;
         this.tableData.numRows = this.dataset.rowCount;
         this.tableData.numCols = this.dataset.columnInfo.length;
-        this.tableData.data = this.csv.csvToArray(file, (this.dataset.delimiter == "razmak") ? " " : (this.dataset.delimiter == "novi red") ? "\t" : this.dataset.delimiter);
+        this.tableData.data = this.csv.csvToArray(header+'\n'+file, (this.dataset.delimiter == "razmak") ? " " : (this.dataset.delimiter == "novi red") ? "\t" : this.dataset.delimiter);
 
       }
+      else{
+        this.begin-=10;
+        this.loadExisting();
+      }
     });
+  });
 
     
   }