Restrict groups in Angular Query builder component
15 Sep 20223 minutes to read
You can restrict the condition set by defining the maxGroupCount
property. By default, the value is 5. In the below demo, the maxGroupCount
is set to 2 .
import { Component, OnInit } from '@angular/core';
import { RuleModel } from '@syncfusion/ej2-angular-querybuilder';
import { hardwareData } from './datasource';
@Component({
selector: 'app-root',
template: `<!-- To render Query Builder. -->
<ejs-querybuilder #querybuilder width="70%" [dataSource]="data" [rule]="importRules" maxGroupCount=2>
<e-columns>
<e-column field="TaskID" label="Task ID" type="number"></e-column>
<e-column field="Name" label="Name" type="string"></e-column>
<e-column field="Category" label="Category" type="string"></e-column>
<e-column field="SerialNo" label="SerialNo" type="string"></e-column>
<e-column field="InvoiceNo" label="InvoiceNo" type="string"></e-column>
<e-column field="Status" label="Status" type="string"></e-column>
</e-columns>
</ejs-querybuilder>`
})
export class AppComponent implements OnInit {
public data: Object[];
public importRules: RuleModel;
ngOnInit(): void {
this.data = hardwareData;
this.importRules = {
'condition': 'or',
'rules': [{
'label': 'Category',
'field': 'Category',
'type': 'string',
'operator': 'equal',
'value': 'Laptop'
}]
};
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { QueryBuilderModule } from '@syncfusion/ej2-angular-querybuilder';
import { AppComponent } from './app.component';
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
/**
* Module
*/
@NgModule({
imports: [
BrowserModule,
QueryBuilderModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);
You can use this property in the mobile mode to restrict the nested group creation.