53 lines
2.3 KiB
TypeScript
53 lines
2.3 KiB
TypeScript
import { VisibilityRule } from './models/VisibilityRule';
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import { VisibilityRulesContext } from './models/VisibilityRulesContext';
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import { FormGroup } from '@angular/forms';
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import { Injectable } from '@angular/core';
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import { Rule } from '../models/Rule'
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@Injectable()
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export class VisibilityRulesService {
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public formGroup: FormGroup;
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public visibilityRuleContext: VisibilityRulesContext;
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public fieldsPathMemory: any = {};
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public isElementVisible(pathKey: string, id: string) {
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if (!this.fieldsPathMemory[id] && pathKey) this.fieldsPathMemory[id] = pathKey;
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let visibilityRule = this.visibilityRuleContext.getRulesFromKey(id);
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if (!visibilityRule) return true;
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if (this.checkElementVisibility(visibilityRule)) {
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return true
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} else {
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this.clearValues(pathKey)
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// if (pathKey && this.formGroup.get(pathKey + '.value')) this.formGroup.get(pathKey + '.value').patchValue(null)
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return false;
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}
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}
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public checkElementVisibility(visibilityRule: VisibilityRule): boolean {
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let sourceVisibilityRules = visibilityRule.sourceVisibilityRules;
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for (let i = 0; i < sourceVisibilityRules.length; i++) {
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let sourceVisibilityRule = sourceVisibilityRules[i];
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if (!this.formGroup.get(this.fieldsPathMemory[sourceVisibilityRule.sourceControlId] + '.value')) return false; //TODO
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if (sourceVisibilityRule.sourceControlValue != '' + this.formGroup.get(this.fieldsPathMemory[sourceVisibilityRule.sourceControlId] + '.value').value) return false;
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}
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return true;
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}
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public buildVisibilityRules(item: Array<Rule>) {
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this.visibilityRuleContext = new VisibilityRulesContext();
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this.visibilityRuleContext.buildVisibilityRuleContext(item);
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}
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private getParentPath(parentId: string): string {
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return '';
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}
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private clearValues(pathKey) {
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if (pathKey && this.formGroup.get(pathKey + '.value')) this.formGroup.get(pathKey + '.value').patchValue(null)
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if (pathKey && this.formGroup.get(pathKey)["controls"].fields){
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for (var i = 0; i < this.formGroup.get(pathKey)["controls"].fields.length; i++)
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this.clearValues(pathKey+'.fields.'+i);
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}
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}
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} |