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Angular Example #4

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Dec 21, 2023
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43 changes: 41 additions & 2 deletions Angular/src/app/app.component.html
Original file line number Diff line number Diff line change
@@ -1,3 +1,42 @@
<div class="default-style">
<dx-button [text]="buttonText" (onClick)="onClick($event)"></dx-button>
<div class="demo-container">
<dx-data-grid
[dataSource]="customers"
keyExpr="ID"
[repaintChangesOnly]="true"
[showBorders]="true"
>
<dxo-editing
[(changes)]="changes"
mode="batch"
[allowUpdating]="true"
></dxo-editing>
<dxi-column dataField="CompanyName">
<dxi-validation-rule type="required"></dxi-validation-rule>
</dxi-column>
<dxi-column dataField="City">
<dxi-validation-rule type="stringLength" [min]="4"></dxi-validation-rule>
</dxi-column>
<dxi-column dataField="Phone">
<dxi-validation-rule
type="pattern"
message="Your phone must have '(555) 555-5555 format!'"
[pattern]="pattern"
></dxi-validation-rule>
</dxi-column>
<dxi-column dataField="Fax"></dxi-column>
<dxi-column dataField="State"></dxi-column>
<dxo-toolbar>
<dxi-item>
<div *dxTemplate>
<dx-button
text="Validate DataGrid"
stylingMode="outlined"
(onClick)="validateVisibleRows()"
></dx-button>
</div>
</dxi-item>
<dxi-item name="saveButton"></dxi-item>
<dxi-item name="revertButton"></dxi-item>
</dxo-toolbar>
</dx-data-grid>
</div>
3 changes: 2 additions & 1 deletion Angular/src/app/app.component.scss
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
.default-style {
.demo-container {
margin: 50px;
width: 90vh;
}

56 changes: 47 additions & 9 deletions Angular/src/app/app.component.ts
Original file line number Diff line number Diff line change
@@ -1,20 +1,58 @@
import { Component } from '@angular/core';
import { ClickEvent } from 'devextreme/ui/button';
import { Component, ViewChild, AfterViewChecked } from '@angular/core';
import { DxDataGridComponent, DxDataGridTypes } from 'devextreme-angular/ui/data-grid';
import notify from 'devextreme/ui/notify';
import { Customer, Service } from './app.service';

@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss'],
providers: [Service],
})
export class AppComponent {
title = 'Angular';
export class AppComponent implements AfterViewChecked {
@ViewChild(DxDataGridComponent, { static: false }) dataGrid: DxDataGridComponent | undefined;

counter = 0;
checked = false;

buttonText = 'Click count: 0';
changes: DxDataGridTypes.DataChange[] = [];

onClick(e: ClickEvent): void {
this.counter++;
this.buttonText = `Click count: ${this.counter}`;
pattern = /^\(\d{3}\) \d{3}-\d{4}$/i;

customers: Customer[];

constructor(service: Service) {
this.customers = service.getCustomers();
this.validateVisibleRows = this.validateVisibleRows.bind(this);
}

validateVisibleRows(): void {
const dataGridInstance = this?.dataGrid?.instance;
const fakeChanges = dataGridInstance
? dataGridInstance.getVisibleRows().map((row: DxDataGridTypes.Row): DxDataGridTypes.DataChange => ({ type: 'update', key: row.key, data: {} }))
: [];
this.changes = [...this.changes, ...fakeChanges];
this.checked = true;
}

ngAfterViewChecked(): void {
if (this.changes.length && this.checked) {
this.checked = false;
const dataGridInstance = this?.dataGrid?.instance;
dataGridInstance?.repaint();
// @ts-expect-error - getController is a private method
dataGridInstance?.getController('validating').validate(true).then((result: Boolean) => {
const message = result ? 'Validation is passed' : 'Validation is failed';
const type = result ? 'success' : 'error';
notify({
message,
type,
position: {
offset: '0 50',
at: 'bottom',
of: '.demo-container',
},
});
});
}
}
}
3 changes: 2 additions & 1 deletion Angular/src/app/app.module.ts
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { DxButtonModule } from 'devextreme-angular/ui/button';
import { DxDataGridModule, DxButtonModule } from 'devextreme-angular';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';

Expand All @@ -11,6 +11,7 @@ import { AppComponent } from './app.component';
imports: [
BrowserModule,
AppRoutingModule,
DxDataGridModule,
DxButtonModule,
],
providers: [],
Expand Down
50 changes: 50 additions & 0 deletions Angular/src/app/app.service.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
import { Injectable } from '@angular/core';

export interface Customer {
ID: number;

CompanyName: string;

Address: string;

City: string;

State: string;

Zipcode: number;

Phone: string;

Fax: string;

Website: string;
}

const customers: Customer[] = [{
ID: 1,
CompanyName: '',
Address: '702 SW 8th Street',
City: 'Bentonville',
State: 'Arkansas',
Zipcode: 72716,
Phone: '123456',
Fax: '(800) 555-2171',
Website: 'http://www.nowebsitesupermart.com',
}, {
ID: 2,
CompanyName: 'Electronics Depot',
Address: '2455 Paces Ferry Road NW',
City: 'NYC',
State: 'Georgia',
Zipcode: 30339,
Phone: '(800) 595-3232',
Fax: '(800) 595-3231',
Website: 'http://www.nowebsitedepot.com',
}];

@Injectable()
export class Service {
getCustomers(): Customer[] {
return customers;
}
}
1 change: 0 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
<!-- default badges list -->
![](https://img.shields.io/endpoint?url=https://codecentral.devexpress.com/api/v1/VersionRange/723096689/23.1.3%2B)
[![](https://img.shields.io/badge/Open_in_DevExpress_Support_Center-FF7200?style=flat-square&logo=DevExpress&logoColor=white)](https://supportcenter.devexpress.com/ticket/details/T1202789)
[![](https://img.shields.io/badge/📖_How_to_use_DevExpress_Examples-e9f6fc?style=flat-square)](https://docs.devexpress.com/GeneralInformation/403183)
<!-- default badges end -->
Expand Down
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