redoc/lib/shared/components/Tabs/tabs.js
2016-05-18 17:16:29 +03:00

96 lines
2.2 KiB
JavaScript

'use strict';
import { Component, EventEmitter } from '@angular/core';
import { CORE_DIRECTIVES } from '@angular/common';
import { ChangeDetectorRef, ChangeDetectionStrategy } from '@angular/core';
@Component({
selector: 'tabs',
events: ['change'],
inputs: ['selected'],
template: `
<ul>
<li *ngFor="let tab of tabs" [ngClass]="{active: tab.active}" (click)="selectTab(tab)"
class="tab-{{tab.tabStatus}}">{{tab.tabTitle}}</li>
</ul>
<ng-content></ng-content>
`,
directives: [CORE_DIRECTIVES],
styleUrls: ['./lib/shared/components/Tabs/tabs.css'],
changeDetection: ChangeDetectionStrategy.OnPush
})
@Reflect.metadata('parameters', [[ChangeDetectorRef]])
export class Tabs {
constructor(changeDetector) {
this.tabs = [];
this.change = new EventEmitter();
this.changeDetector = changeDetector;
}
selectTab(tab, notify = true) {
if (tab.active) return;
this.tabs.forEach((tab) => {
tab.active = false;
});
tab.active = true;
notify && this.change.next(tab.tabTitle);
}
selectyByTitle(tabTitle, notify = false) {
let prevActive;
let newActive;
this.tabs.forEach((tab) => {
if (tab.active) prevActive = tab;
tab.active = false;
if (tab.tabTitle === tabTitle) {
newActive = tab;
}
});
if (newActive) {
newActive.active = true;
} else {
prevActive.active = true;
}
notify && this.change.next(tabTitle);
this.changeDetector.markForCheck();
}
addTab(tab) {
if (this.tabs.length === 0) {
tab.active = true;
}
this.tabs.push(tab);
}
ngOnInit() {
if (this.selected) this.selected.subscribe(title => this.selectyByTitle(title));
}
}
@Component({
selector: 'tab',
inputs: ['tabTitle', 'tabStatus'],
template: `
<div class="tab-wrap" [ngClass]="{'active': active}">
<ng-content></ng-content>
</div>
`,
directives: [CORE_DIRECTIVES],
styles: [`
.tab-wrap {
display: none;
}
.tab-wrap.active {
display: block;
}`
]
})
@Reflect.metadata('parameters', [ [Tabs] ])
export class Tab {
constructor(tabs) {
this.active = false;
tabs.addTab(this);
}
}