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<title>Angular 2 Progress Bar - Example</title>
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<body>
<h1>Angular 2 Progress Bar</h1>
<my-app class="container" style="display: block">Loading Sample...</my-app>
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/* Styles go here */
/**
* Created by Tareq Boulakjar. from angulartypescript.com
*/
import {bootstrap} from 'angular2/platform/browser';
import {Angular2Progressbar} from './progressbar-example';
bootstrap(Angular2Progressbar);
/*
Copyright 2016 angulartypescript.com. All Rights Reserved.
Everyone can use this source code; don’t forget to indicate the source please:
http://www.angulartypescript.com/
*/
/**
* Created by Tareq Boulakjar. from angulartypescript.com
*/
import {Component} from 'angular2/core';
import { CORE_DIRECTIVES } from 'angular2/common';
import {Progress} from './progress.directive';
import {Bar} from './bar.component';
import {Progressbar} from './progressbar.component';
/*Angular 2 Progressbar Example*/
@Component({
selector: 'my-app',
template:`
<h4>Angular 2 Progressbar Example</h4>
<progressbar class="progress-striped" value="55" type="warning" max="200">55%</progressbar>
<hr/>
<h4>Angular 2 Dynamic Progressbar Example</h4>
<button type="button" class="btn btn-sm btn-default" (click)="generateNewProgressValues()">Generate New Values</button>
<progressbar [animate]="false" [max]="max" [value]="currentValue">
<span style="color:white; white-space:nowrap;">{{currentValue}} / {{max}}</span>
</progressbar>
<hr/>
<h4>Angular 2 Progressbar With Animation Example</h4>
<progressbar [animate]="true" [value]="currentValue" [type]="type"><b>{{currentValue}}%</b></progressbar>
<hr/>
<h4>Angular 2 Stacked Progressbar Example</h4>
<h3>
<button type="button" class="btn btn-sm btn-primary" (click)="generateStackedValues()">Stacked Values</button>
</h3>
<bs-progress>
<bar *ngFor="#stacked of stackedValues" [value]="stacked.value" [type]="stacked?.type">
<span [hidden]="stacked.value < 5">{{stacked?.value}}%</span>
</bar>
</bs-progress>
`,
directives: [Progress, Bar, Progressbar,CORE_DIRECTIVES],
})
export class Angular2Progressbar {
public max:number = 200;
public currentValue:number;
public type:string;
public stackedValues:any[] = [];
constructor() {
this.generateNewProgressValues();
this.generateStackedValues();
}
private generateNewProgressValues() {
let value = Math.floor((Math.random() * 100) + 1);
let type:string;
if (value < 20) {
type = 'success';
} else if (value < 40) {
type = 'info';
} else if (value < 60) {
type = 'warning';
} else {
type = 'danger';
}
this.currentValue = value;
this.type = type;
};
private generateStackedValues() {
let types = ['success', 'info', 'warning', 'danger'];
this.stackedValues = [];
let total = 0;
for (let i = 0, n = Math.floor((Math.random() * 4) + 1); i < n; i++) {
let index = Math.floor((Math.random() * 4));
let value = Math.floor((Math.random() * 30) + 1);
total += value;
this.stackedValues.push({
value: value,
max: value,
type: types[index]
});
}
};
}
import {Component, OnInit, OnDestroy, Input, Host} from 'angular2/core';
import {NgClass, NgStyle} from 'angular2/common';
import {Progress} from './progress.directive';
@Component({
selector: 'bar, [bar]',
directives: [NgClass, NgStyle],
template: `
<div class="progress-bar"
style="min-width: 0;"
role="progressbar"
[ngClass]="type && 'progress-bar-' + type"
[ngStyle]="{width: (percent < 100 ? percent : 100) + '%', transition: transition}"
aria-valuemin="0"
[attr.aria-valuenow]="value"
[attr.aria-valuetext]="percent.toFixed(0) + '%'"
[attr.aria-valuemax]="max"
><ng-content></ng-content></div>
`
})
export class Bar implements OnInit, OnDestroy {
@Input() public type:string;
@Input() public get value():number {
return this._value;
}
public set value(v:number) {
if (!v && v !== 0) {
return;
}
this._value = v;
this.recalculatePercentage();
}
public percent:number = 0;
public transition:string;
private _value:number;
constructor(@Host() public progress:Progress) {
}
ngOnInit() {
this.progress.addBar(this);
}
ngOnDestroy() {
this.progress.removeBar(this);
}
public recalculatePercentage() {
this.percent = +(100 * this.value / this.progress.max).toFixed(2);
let totalPercentage = this.progress.bars.reduce(function (total, bar) {
return total + bar.percent;
}, 0);
if (totalPercentage > 100) {
this.percent -= totalPercentage - 100;
}
}
}
import {Directive, OnInit, Input, HostBinding} from 'angular2/core';
import {Bar} from './bar.component';
const progressConfig = {
animate: true,
max: 100
};
@Directive({ selector: 'bs-progress, [progress]' })
export class Progress implements OnInit {
@Input() public animate:boolean;
@HostBinding('attr.max')
@Input() public get max():number {
return this._max;
}
@HostBinding('class') private addClass = 'progress';
public set max(v:number) {
this._max = v;
this.bars.forEach((bar:Bar) => {
bar.recalculatePercentage();
});
}
public bars:Array<any> = [];
private _max:number;
constructor() {
}
ngOnInit() {
this.animate = this.animate !== false;
this.max = typeof this.max === 'number' ? this.max : progressConfig.max;
}
public addBar(bar:Bar) {
if (!this.animate) {
bar.transition = 'none';
}
this.bars.push(bar);
}
public removeBar(bar:Bar) {
this.bars.splice(this.bars.indexOf(bar), 1);
}
}
import {Component, Input} from 'angular2/core';
import { NgClass, NgStyle } from 'angular2/common';
import {Progress} from './progress.directive';
import {Bar} from './bar.component';
@Component({
selector: 'progressbar, [progressbar]',
directives: [Progress, Bar],
template: `
<div progress [animate]="animate" [max]="max">
<bar [type]="type" [value]="value">
<ng-content></ng-content>
</bar>
</div>
`
})
export class Progressbar {
@Input() private animate:boolean;
@Input() private max:number;
@Input() private type:string;
@Input() private value:number;
}