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import { Component, ViewChild } from '@angular/core';
import { NgxCsvParser, NgxCSVParserError } from 'ngx-csv-parser';
@Component({
selector: 'app-dataset-load',
templateUrl: './dataset-load.component.html',
styleUrls: ['./dataset-load.component.css']
})
export class DatasetLoadComponent {
delimiter: string = "";
delimiterOptions: Array<string> = [",", ";", "\t", "razmak", "|"]; //podrazumevano ","
hasHeader: boolean = true;
slice: string = "";
csvRecords: any[] = [];
files: any[] = [];
rowsNumber: number = 0;
colsNumber: number = 0;
checkedInputCols: Array<string> = [];
checkedOutputCol: string = '';
constructor(private ngxCsvParser: NgxCsvParser) {
}
@ViewChild('fileImportInput', { static: false }) fileImportInput: any;
changeListener($event: any): void {
this.files = $event.srcElement.files;
this.update();
}
update() {
if (this.files.length < 1)
return;
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);
});
}
getCheckedInputCols() : Array<string> {
this.checkedInputCols = new Array<string>();
let checkboxes = document.getElementsByName("cbs");
for (let i = 0; i < checkboxes.length; i++) {
let thatCb = <HTMLInputElement>checkboxes[i];
if (thatCb.checked)
this.checkedInputCols.push(thatCb.value);
}
//console.log(this.checkedInputCols);
return this.checkedInputCols;
}
getCheckedOutputCol() : string {
this.checkedOutputCol = '';
let radiobuttons = document.getElementsByName("rbs");
for (let i = 0; i < radiobuttons.length; i++) {
let thatRb = <HTMLInputElement>radiobuttons[i];
if (thatRb.checked) {
this.checkedOutputCol = thatRb.value;
break;
}
}
//console.log(this.checkedOutputCol);
return this.checkedOutputCol;
}
validationInputsOutput() {
if (this.checkedInputCols.length == 0) {
alert("Molimo Vas da izaberete ulaznu kolonu/kolone za mrežu.")
return;
}
for (let i = 0; i < this.checkedInputCols.length; i++) {
if (this.checkedInputCols[i] == this.checkedOutputCol) {
let colName = this.checkedOutputCol;
alert("Izabrali ste istu kolonu (" + colName + ") kao ulaznu i izlaznu iz mreže. Korigujte izbor.");
return;
}
}
}
}
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