<dx-filter-builder
[fields]="fields"
[(value)]="filter"
[groupOperations]="groupOperations"
[customOperations]="customOperations"
(onInitialized)="updateTexts($event)"
(onValueChanged)="updateTexts($event)">
<dx-tag-box *dxTemplate="let condition of 'tagBoxTemplate'"
[value]="condition.value"
[items]="categories"
(onValueChanged)="condition.setValue($event.value)"
width="auto">
</dx-tag-box>
</dx-filter-builder>
<div class="results">
<div>
<b>Value</b>
<pre>{{filterText}}</pre>
</div>
<div>
<b>DataSource's filter expression</b>
<pre>{{dataSourceText}}</pre>
</div>
</div>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxListModule,
DxButtonModule,
DxTagBoxModule,
DxFilterBuilderModule } from 'devextreme-angular';
import { Service } from './app.service';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
let anyOfOperation = {
name: "anyof",
caption: "Is any of",
icon: "check",
editorTemplate: "tagBoxTemplate",
calculateFilterExpression(filterValue: any, field: any) {
return filterValue && filterValue.length
&& Array.prototype.concat.apply([], filterValue.map(function(value) {
return [[field.dataField, "=", value], "or"];
})).slice(0, -1);
}
};
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css']
})
export class AppComponent {
filterText: any;
dataSourceText: any;
fields: Array<any>;
customOperations: Array<any>;
filter: any;
categories: string[];
groupOperations: string[] = ["and", "or"];
constructor(service: Service) {
this.fields = service.getFields();
this.filter = service.getFilter();
this.categories = service.getCategories();
this.customOperations = [anyOfOperation];
}
updateTexts(e) {
this.filterText = AppComponent.formatValue(e.component.option("value"));
this.dataSourceText = AppComponent.formatValue(e.component.getFilterExpression());
}
private static formatValue(value, spaces = 0) {
if(value && Array.isArray(value[0])) {
var TAB_SIZE = 4;
spaces = spaces || TAB_SIZE;
return "[" + AppComponent.getLineBreak(spaces) + value.map(function(item) {
return Array.isArray(item[0]) ? AppComponent.formatValue(item, spaces + TAB_SIZE) : JSON.stringify(item);
}).join("," + AppComponent.getLineBreak(spaces)) + AppComponent.getLineBreak(spaces - TAB_SIZE) + "]";
}
return JSON.stringify(value);
}
private static getLineBreak(spaces) {
return "\r\n" + new Array(spaces + 1).join(" ");
}
}
@NgModule({
imports: [
BrowserModule,
DxListModule,
DxButtonModule,
DxTagBoxModule,
DxFilterBuilderModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .results {
margin-top: 50px;
display: flex;
justify-content: space-between;
}
::ng-deep .results > div {
flex-basis: 49%;
max-width: 50%;
background-color: rgba(191, 191, 191, 0.15);
position: relative;
}
::ng-deep .results b {
position: absolute;
top: -25px;
}
::ng-deep .results pre {
padding: 10px 20px;
height: 100%;
font-size: 13px;
overflow: auto;
box-sizing: border-box;
}
::ng-deep .dx-tagbox {
min-width: 150px;
}
::ng-deep .dx-filterbuilder .dx-numberbox {
width: 80px;
}
import { Injectable } from '@angular/core';
export class Product {
ID: number;
Name: string;
Price: number;
Current_Inventory: number;
Backorder: number;
Manufacturing: number;
Category: string;
ImageSrc: string;
}
let filter: Array<any> = [
["Category", "anyof", ["Automation", "Monitors"]],
"or",
[
["Category", "=", "Televisions"],
"and",
["Price", "between", [2000, 4000]]
]
],
categories: string[] = [
"Video Players",
"Televisions",
"Monitors",
"Projectors",
"Automation"
],
fields: Array<any> = [{
dataField: "Name"
}, {
dataField: "Price",
dataType: "number",
format: "currency"
}, {
dataField: "Current_Inventory",
dataType: "number",
caption: "Inventory"
}, {
dataField: "Category",
filterOperations: ["=", "anyof"],
lookup: {
dataSource: categories
}
}
];
@Injectable()
export class Service {
getFields(): Array<any> {
return fields;
}
getCategories(): string[] {
return categories;
}
getFilter(): Array<any> {
return filter;
}
}
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.0.3/tslib.js',
'rxjs': 'npm:rxjs@6.3.3',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.4',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.5',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.8',
'devextreme-angular': 'npm:devextreme-angular@20.2.4',
'preact': 'npm:preact@10.5.7/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>