Search results

Labels in Angular Range Navigator component

24 Sep 2021 / 4 minutes to read

Multilevel labels

The multi-level labels for the Range Selector can be enabled by setting the enableGrouping property to true. This is restricted to the DateTime axis alone.

Source
Preview
app.component.ts
app.module.ts
main.ts
Copied to clipboard
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-rangenavigator id="rn-container" labelPosition='Outside' valueType='DateTime' [value]='value'  intervalType='Quarter' [enableGrouping]='grouping' [dataSource]='chartData' xName='x' yName='y' tooltip='tooltip'></ejs-rangenavigator>`
})

export class AppComponent implements OnInit {
    public data: object[] = [];
    public value: number = 0;
    public point: object = {};
    public chartData: Object[];
    public value: Object[];
    public grouping: boolean;
    public tooltip: Object[];
    ngOnInit(): void {
        this.chartData =[];
        for (let j = 1; j < 1090; j++) {
            this.value += (Math.random() * 10 - 5);
            this.value = this.value < 0 ? Math.abs(this.value) : this.value;
            this.point = { x: new Date(2000, 0, j), y: this.value, z: (this.value + 10) };
            this.chartData.push(this.point);
        };
        this.value=[new Date("2001, 1,1"), new Date("2002,1,1")];
        this.grouping = true;
        this.tooltip= { enable: true };
    }
}
Copied to clipboard
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, RangeTooltipService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, RangeTooltipService ]
})
export class AppModule { }
Copied to clipboard
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Grouping

The multi-level labels can be grouped using the groupBy property with the following interval types:

  • Auto
  • Years
  • Quarter
  • Months
  • Weeks
  • Days
  • Hours
  • Minutes
  • Seconds
Source
Preview
app.component.ts
app.module.ts
main.ts
Copied to clipboard
import { Component, OnInit } from '@angular/core';

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" labelPosition='Outside' valueType='DateTime' [value]='value'  intervalType='Quarter' [enableGrouping]='grouping' groupBy='Years' [dataSource]='chartData' xName='x' yName='y' tooltip='tooltip'></ejs-rangenavigator>`
})

export class AppComponent implements OnInit {
public data: object[] = [];
public value: number = 0;
public point: object = {};
public chartData: Object[];
public value: Object[];
public grouping: boolean;
public tooltip: Object[];
ngOnInit(): void {
    this.chartData =[];
    for (let j = 1; j < 1090; j++) {
        this.value += (Math.random() * 10 - 5);
        this.value = this.value < 0 ? Math.abs(this.value) : this.value;
        this.point = { x: new Date(2000, 0, j), y: this.value, z: (this.value + 10) };
        this.chartData.push(this.point);
    };
    this.value=[new Date("2001, 1,1"), new Date("2002,1,1")];
    this.grouping = true;
    this.tooltip= { enable: true };
}
}
Copied to clipboard
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, RangeTooltipService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, RangeTooltipService ]
})
export class AppModule { }
Copied to clipboard
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Smart labels

The labelIntersectAction property is used to avoid overlapping of labels. The following code sample shows the setting of labelIntersectAction property to Hide.

Source
Preview
app.component.ts
app.module.ts
main.ts
Copied to clipboard
import { Component, OnInit } from '@angular/core';
import { datasrc } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' labelIntersectAction='Hide'
labelFormat='y/M/d'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='y' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public chartData: Object[];
public value: Object[];
ngOnInit(): void {
    this.chartData = datasrc;
    this.value=[new Date("2017-08-13"), new Date("2017-12-28")];
}
}
Copied to clipboard
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, StepLineSeriesService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, StepLineSeriesService ]
})
export class AppModule { }
Copied to clipboard
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Label positioning

By default, the labels can be placed outside the Range Selector. It can also be placed inside the Range Selector using the labelPosition property.

Source
Preview
app.component.ts
app.module.ts
main.ts
Copied to clipboard
import { Component, OnInit } from '@angular/core';
import { datasrc } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' labelPosition='Inside'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='y' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public chartData: Object[];
public value: Object[];
ngOnInit(): void {
    this.chartData = datasrc;
    this.value=[new Date("2017-08-13"), new Date("2017-12-28")];
}
}
Copied to clipboard
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, StepLineSeriesService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, StepLineSeriesService ]
})
export class AppModule { }
Copied to clipboard
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Labels customization

The font size, color, family, etc. can be customized using the labelStyle setting.

Source
Preview
app.component.ts
app.module.ts
main.ts
Copied to clipboard
import { Component, OnInit } from '@angular/core';
import { GetDateTimeData } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' intervalType='Months'[labelFormat]='labelFormat' [labelStyle]='labelStyle' [dataSource]='chartData' xName='x' yName='y'></ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public value: Object[];
public chartData: Object[];
public tooltip: Object[];
public labelFormat: string;
ngOnInit(): void {
    this.value = [new Date(2018, 5, 1), new Date(2018, 6, 1)];
    this.chartData = GetDateTimeData(new Date(2018, 0, 1), new Date(2019, 0, 1));
    this.labelFormat = 'MMM';
    this.labelStyle= { color: 'red', size:'10px'};
}
}
Copied to clipboard
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService ]
})
export class AppModule { }
Copied to clipboard
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);