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import { AfterViewInit, Component, ElementRef, ViewChild, ViewChildren, Input, OnInit } from '@angular/core';
import { StepperSelectionEvent } from '@angular/cdk/stepper';
import { MatStepper } from '@angular/material/stepper';
import Shared from 'src/app/Shared';
import { FolderFile, FolderType } from 'src/app/_data/FolderFile';
import { FolderComponent, TabType } from 'src/app/_elements/folder/folder.component';
import Experiment from 'src/app/_data/Experiment';
import { ExperimentsService } from 'src/app/_services/experiments.service';
import { ModelsService } from 'src/app/_services/models.service';
import Model from 'src/app/_data/Model';
import Dataset from 'src/app/_data/Dataset';
import { ColumnTableComponent } from 'src/app/_elements/column-table/column-table.component';
import { SignalRService } from 'src/app/_services/signal-r.service';
import { MetricViewComponent } from 'src/app/_elements/metric-view/metric-view.component';
import { ActivatedRoute, Router } from '@angular/router';
import { DatasetsService } from 'src/app/_services/datasets.service';
import { PredictorsService } from 'src/app/_services/predictors.service';
import { LineChartComponent } from 'src/app/_elements/_charts/line-chart/line-chart.component';
@Component({
selector: 'app-experiment',
templateUrl: './experiment.component.html',
styleUrls: ['./experiment.component.css']
})
export class ExperimentComponent implements AfterViewInit {
@ViewChild(MatStepper) stepper!: MatStepper;
@ViewChild('stepsContainer') stepsContainer!: ElementRef;
@ViewChildren('steps') steps!: ElementRef[];
event: number = 0;
experiment: Experiment;
dataset?: Dataset;
@ViewChild("folderDataset") folderDataset!: FolderComponent;
@ViewChild(ColumnTableComponent) columnTable!: ColumnTableComponent;
@ViewChild("folderModel") folderModel!: FolderComponent;
@ViewChild(LineChartComponent) linechartComponent!: LineChartComponent;
step1: boolean = false;
step2: boolean = false;
step3: boolean = false;
step4: boolean = false;
constructor(private experimentsService: ExperimentsService, private modelsService: ModelsService, private datasetsService: DatasetsService, private predictorsService: PredictorsService, private signalRService: SignalRService, private route: ActivatedRoute) {
this.experiment = new Experiment("exp1");
}
/*updateExperiment(){
}*/
addNewExperiment() {
this.experimentsService.addExperiment(this.experiment).subscribe(() => { console.log("new Experiment") });
}
trainModel() {
if (!this.modelToTrain) {
Shared.openDialog('Greška', 'Morate odabrati konfiguraciju neuronske mreže');
} else {
this.modelsService.trainModel(this.modelToTrain._id, this.experiment._id).subscribe(() => { console.log("pocelo treniranje") });
this.step4 = true;
}
}
stepHeight = this.calcStepHeight();
calcStepHeight() {
return window.innerHeight - 64;
}
ngAfterViewInit(): void {
window.addEventListener('resize', () => {
this.updatePageHeight();
})
this.updatePageHeight();
setInterval(() => {
this.updatePageIfScrolled();
}, 100);
this.stepsContainer.nativeElement.addEventListener('scroll', (event: Event) => {
Shared.emitBGScrollEvent(this.stepsContainer.nativeElement.scrollTop);
});
if (this.signalRService.hubConnection) {
this.signalRService.hubConnection.on("NotifyEpoch", (mName: string, mId: string, stat: string, totalEpochs: number, currentEpoch: number) => {
if (currentEpoch == 0) {
this.history = [];
}
if (this.modelToTrain?._id == mId) {
stat = stat.replace(/'/g, '"');
this.history.push(JSON.parse(stat));
this.linechartComponent.updateAll(this.history,this.modelToTrain.epochs);
}
});
}
this.route.queryParams.subscribe(params => {
let experimentId = this.route.snapshot.paramMap.get("id");
let predictorId = this.route.snapshot.paramMap.get("predictorId");
if (predictorId != null) {
this.predictorsService.getPredictor(predictorId!).subscribe((response) => {
let predictor = response;
this.experimentsService.getExperimentById(predictor.experimentId).subscribe((response) => {
this.experiment = response;
this.datasetsService.getDatasetById(this.experiment.datasetId).subscribe((response: Dataset) => {
this.dataset = response;
this.folderDataset.forExperiment = this.experiment;
this.folderDataset.selectFile(this.dataset); //sad 3. i 4. korak da se ucitaju
this.modelsService.getModelById(predictor.modelId).subscribe((response) => {
let model = response;
this.folderModel.formModel.newModel = model;
this.step3 = true;
let numOfEpochsArray = Array.from({length: model.epochs}, (_, i) => i + 1);
setTimeout(() => {
this.linechartComponent.update(numOfEpochsArray, predictor.metricsAcc, predictor.metricsLoss, predictor.metricsMae, predictor.metricsMse, predictor.metricsValAcc, predictor.metricsValLoss, predictor.metricsValMae, predictor.metricsValMse);
})
});
});
});
});
}
else if (experimentId != null) {
this.experimentsService.getExperimentById(experimentId).subscribe((response) => {
this.experiment = response;
this.datasetsService.getDatasetById(this.experiment.datasetId).subscribe((response: Dataset) => {
this.dataset = response;
this.folderDataset.forExperiment = this.experiment;
this.folderDataset.selectFile(this.dataset);
});
});
}
});
}
history: any[] = [];
updatePageIfScrolled() {
if (this.scrolling) return;
const currentPage = Math.round(this.stepsContainer.nativeElement.scrollTop / this.stepHeight)
this.stepper.selectedIndex = currentPage;
}
updatePageHeight() {
this.stepHeight = this.calcStepHeight();
const stepHeight = `${this.stepHeight}px`;
this.stepsContainer.nativeElement.style.minHeight = stepHeight;
this.steps.forEach(step => {
step.nativeElement.style.minHeight = stepHeight;
})
}
changePage(event: StepperSelectionEvent) {
this.updatePage(<number>event.selectedIndex)
}
goToPage(pageNum: number) {
this.stepper.selectedIndex = pageNum;
this.updatePage(pageNum);
}
scrollTimeout: any;
updatePage(pageNum: number) {
this.scrolling = true;
this.event = pageNum;
let scrollAmount = 0;
this.steps.forEach((step, index) => {
if (index == pageNum) {
scrollAmount = step.nativeElement.offsetTop;
}
})
clearTimeout(this.scrollTimeout);
this.scrollTimeout = setTimeout(() => {
this.scrolling = false;
}, 800);
this.stepsContainer.nativeElement.scroll({
top: scrollAmount,
behavior: 'smooth' //auto, smooth, initial, inherit
});
}
scrolling: boolean = false;
FolderType = FolderType;
TabType = TabType;
columnTableChangedEvent() {
//sta se desi kad se nesto promeni u column-table komponenti...
}
experimentChangedEvent() {
this.step2 = true;
setTimeout(() => {
this.folderModel.updateExperiment();
});
}
setDataset(dataset: FolderFile | null) {
if (dataset == null) {
this.columnTable.loaded = false;
this.dataset = undefined;
this.experiment.datasetId = '';
return;
}
const d = <Dataset>dataset;
this.experiment.datasetId = d._id;
this.dataset = d;
this.step1 = true;
setTimeout(() => {
this.columnTable.loadDataset(d);
});
this.folderModel.selectFile(undefined);
this.folderModel.selectTab(TabType.NewFile);
// REFRESH GRAFIKA (4. KORAKA) URADITI
}
modelToTrain?: Model;
setModel(model: FolderFile) {
const m = <Model>model;
this.modelToTrain = m;
this.step3 = true;
}
}
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