D-Net

/**

 * Created by stefanos on 15/5/2017.

 */

import { FormArray, FormGroup } from "@angular/forms";

import {

  Component, ComponentFactoryResolver, EventEmitter, Injector, Input, Output, Type, ViewChild,

  ViewContainerRef

} from "@angular/core";

import { MyFormDirective } from "./my-form.directive";

import { MyGroup } from "./my-group.interface";

import { MyWrapper } from "./my-wrapper.interface";

import { Description } from '../../../domain/oa-description';

import { Subject } from "rxjs/Subject";

import {ConfirmationDialogComponent} from "../confirmation-dialog.component";

import {nonRemovableInterface} from "../../../domain/shared-messages";

@Component({

  selector : 'form-repeat',

  template : `

    <div [formGroup]="parentGroup" class="interfacesForm uk-margin uk-grid-match uk-child-width-1-1 uk-child-width-1-2@m uk-grid-small uk-grid uk-scrollspy-inview uk-animation-fade">

      <!--<div formArrayName="{{name}}">-->

      <ng-template my-form></ng-template>

      <!--</div>-->

      <div class="el-item uk-card uk-card-default uk-card-body uk-scrollspy-inview uk-animation-fade">

        <div class="interface-box new" style="text-align: center">

          <a class="add-new-element add-new-group" (click)="push()"><i class="fa fa-plus-square-o" aria-hidden="true"></i>

            <span class="info">Add New {{ description.label }}</span></a>

        </div>

      </div>

    </div>

    <confirmation-dialog #confirmDelete [title]="'Delete '+ description.label" [isModalShown]="isModalShown"

                         [confirmActionButton]="'Yes, delete it'" (emitObject)="confirmedRemove($event)">

      Are you sure you want to delete this {{description.label}}?

    </confirmation-dialog>

  `

})

export class MyArray extends MyGroup {

  @Input() public component : Type<MyGroup>;

  @Input() public wrapper : Type<MyWrapper> = MyArrayWrapper;

  @Input() public initEmpty : boolean = false;

  @ViewChild(MyFormDirective) protected formComponents: MyFormDirective;

  protected _cfr : ComponentFactoryResolver;

  protected viewContainerRef : ViewContainerRef;

  arrayData_ : Subject<any>[] = [];

  components : MyGroup[] = [];

  push() {

    this.createView();

  }

  constructor(injector : Injector) {

    super(injector);

    this._cfr = injector.get(ComponentFactoryResolver);

  }

  protected createView() : void {

    let componentFactory = this._cfr.resolveComponentFactory(this.component);

    let wrapperFactory = this._cfr.resolveComponentFactory(this.wrapper);

    let wrapperView = wrapperFactory.create(this.viewContainerRef.injector);

    let componentView = componentFactory.create(this.viewContainerRef.injector);

    (<MyGroup>componentView.instance).index = this.viewContainerRef.length;

    (<MyGroup>componentView.instance).required = this.required;

    (<MyGroup>componentView.instance).data = this.data;

    (<MyGroup>componentView.instance).otherData = this.otherData;

    if (this.registerMode) {

      (<MyGroup>componentView.instance).inRegister = true;

    }

    this.components.push(<MyGroup>componentView.instance);

    this.arrayData_.push((<MyGroup>componentView.instance).patchData);

    (<MyGroup>componentView.instance).description = this.description;

    let arrayGroup = (<MyGroup>componentView.instance).generate();

    (<MyGroup>componentView.instance).parentGroup = arrayGroup as FormGroup;

    (<MyWrapper>wrapperView.instance).component = componentView.hostView;

    (<MyWrapper>wrapperView.instance).viewRef = wrapperView.hostView;

    (<MyWrapper>wrapperView.instance).description = this.description;

    (<MyWrapper>wrapperView.instance).first = this.viewContainerRef.length == 0;

    (<MyWrapper>wrapperView.instance).deleteNotifier.subscribe($event => {

      let index = this.viewContainerRef.indexOf($event);

      console.log(index);

      if( this.viewContainerRef.length == 1 && this.description.mandatory==true) {

        console.log(this.viewContainerRef.get(0));

        ((this.parentGroup as FormArray).controls[this.name].at(0).corpus((<MyGroup>componentView.instance).generate().value));

      } else {

        if (index>0){

          if (this.registerMode || !(<MyGroup>componentView.instance).wasSaved ) {

            this.remove(index);

            (this.parentGroup as FormArray).controls[this.name].removeAt(index - 1);

            this.components.splice(index, 1);

            this.arrayData_.splice(index - 1, 1);

          } else {

            this.curIntrf = <MyGroup>componentView.instance;

            this.curIndex = index;

            this.components.splice(index, 1);

            this.confirmRemoveInterface();

          }

        } else {

          (<MyGroup>componentView.instance).groupErrorMessage = nonRemovableInterface;

        }

        /*(<MyGroup>componentView.instance).toBeDeleted = true;

        this.remove(index);

        (this.parentGroup as FormArray).controls[this.name].removeAt(index-1);

        this.arrayData_.splice(index-1,1);*/

      }

    });

    ((this.parentGroup as FormArray).controls[this.name]).push(arrayGroup);

    this.viewContainerRef.insert(wrapperView.hostView);

    console.log("ADDED NEW GROUP IN CREATEVIEW");

  }

  @Input() registerMode: boolean;

  @Output() emitDataArray: EventEmitter<any[]> = new EventEmitter<any[]>();

  public checkIfOneElementExists() {

    console.log(`searching`);

    if ( this.components.some(data => data.wasSaved) ) {

      let array_to_emit = [];

      this.components.forEach(element => {

        if (element.exportedData) {

          array_to_emit.push(element.exportedData);

        }

      });

      this.emitDataArray.emit(array_to_emit);

      return true;

    }

    return false;

  }

  public emitExportedDataArray() {

    let array_to_emit = [];

    this.components.forEach(element => {

      if (element.exportedData) {

        array_to_emit.push(element.exportedData);

        console.log(element.exportedData);

      }

    });

    this.emitDataArray.emit(array_to_emit);

    console.log(`emitted ${array_to_emit.length} interfaces`);

  }

  isModalShown: boolean = false;

  curIntrf: any;

  curIndex: number;

  @ViewChild('confirmDelete')

  public confirmDelete: ConfirmationDialogComponent;

  @Output() emitShowModal: EventEmitter<void> = new EventEmitter<void>();

  confirmRemoveInterface(){

    if (this.registerMode){

      this.emitShowModal.emit();

    } else {

      this.confirmDelete.showModal();

    }

  }

  public confirmedRemove(event: any){

    if (this.curIndex > 0) {

      this.curIntrf.toBeDeleted = true;

      this.remove(this.curIndex);

      (this.parentGroup as FormArray).controls[this.name].removeAt(this.curIndex - 1);

      this.arrayData_.splice(this.curIndex - 1, 1);

      this.curIndex = -1;

      this.curIntrf = null;

    }

  }

  remove(i : number) : void {

    this.viewContainerRef.remove(i);

  }

  ngOnInit(): void {

    // super.ngOnInit();

    this.viewContainerRef = this.formComponents.viewContainerRef;

    (<FormGroup>this.parentGroup).addControl(<string>this.name, this._fb.array([]));

/*    (<FormGroup>this.parentGroup).addControl(<string>this.name, this._fb.array([]));

    !this.initEmpty && this.createView();

    this.parentGroup.get(this.name as string).patchValue = this.patchValue();*/

    if (this.data && this.data.length) {

      for (let i=0; i<this.data.length; i++ ) {

        !this.initEmpty && this.createView();

        this.parentGroup.get(this.name as string).patchValue = this.patchValue();

      }

    } else {

      !this.initEmpty && this.createView();

      this.parentGroup.get(this.name as string).patchValue = this.patchValue();

    }

  }

  get valid() {

    return this.parentGroup.valid;//true;//this.registerGroup_.valid;

  }

  protected patchValue() {

    let self = this;

    return (value: {[key: string]: any}, {onlySelf, emitEvent}: {onlySelf?: boolean, emitEvent?: boolean} = {}) => {

      for (let i = (<FormArray>self.parentGroup.get(this.name as string)).length; i < Object.keys(value).length; i++) {

        self.createView();

        console.log("ADDED NEW GROUP");

      }

      for (let i = 0; i < Object.keys(value).length; i++) {

        self.arrayData_[i].next(value[i]);

      }

    };

  }

}

@Component({

  selector : 'form-repeat-inline',

  template : `

    <form-inline [description]="description" [valid]="valid">

      <ng-template my-form></ng-template>

      <a class="add-new-element" (click)="push()">

        <i class="fa fa-plus" aria-hidden="true"></i> Add another

      </a>

    </form-inline>

  `

})

export class MyArrayInline extends MyArray {

  @Input()

  public wrapper : Type<MyWrapper> = MyInlineArrayWrapper;

  @Input()

  public description : Description;

}

@Component({

  selector : 'form-repeat-wrapper',

  template : `

    <div class="el-item uk-card uk-card-default uk-card-body uk-scrollspy-inview uk-animation-fade">

      <div class="interfaceActionsPanel" style="margin-left: 5px;">

        <a (click)="remove()"><i class="fa fa-remove fa-lg"></i></a>

      </div>

      <ng-template my-form></ng-template>

    </div>

  `

})

export class MyArrayWrapper extends MyWrapper{

}

@Component({

  selector : 'form-inline-repeat-wrapper',

  template : `

    <div class="uk-grid uk-margin">

      <div class="uk-width-5-6">

        <ng-template my-form></ng-template>

      </div>

      <a *ngIf="canDelete" class="remove-element uk-width-1-6" (click)="remove()"><i

        class="fa fa-times" aria-hidden="true"></i></a>

    </div>

  `

})

export class MyInlineArrayWrapper extends MyWrapper {

}