1 files changed, 58 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/shared/tabs/tabs.component.ts b/catalog-ui/src/app/ng2/shared/tabs/tabs.component.ts
new file mode 100644
index 0000000000..dc5616c6cb
--- /dev/null
+++ b/catalog-ui/src/app/ng2/shared/tabs/tabs.component.ts
@@ -0,0 +1,58 @@
+import { Component, ContentChildren, QueryList, AfterContentInit, Input, Output, EventEmitter } from '@angular/core';
+import { Tab } from './tab/tab.component';
+import { ViewEncapsulation } from '@angular/core';
+import { trigger, state, style, transition, animate, keyframes } from '@angular/core';
+
+@Component({
+    selector: 'tabs',
+    templateUrl: './tabs.component.html',
+    styleUrls: ['./tabs.component.less'],
+    encapsulation: ViewEncapsulation.None,
+    animations: [
+        trigger('indicatorAnimation', [
+            transition(':enter', [style({ transform: 'translateY(-50%)', opacity: 0 }), animate('250ms', style({ transform: 'translateY(0)', opacity: 1 })) ]),
+            transition(':leave', [style({ opacity: 1 }), animate('500ms', style({ opacity: 0 })) ])
+        ])
+    ]
+})
+export class Tabs implements AfterContentInit {
+
+    @Input() tabStyle: string;
+    @Input() hideIndicationOnTabChange?: boolean = false;
+    @ContentChildren(Tab) tabs: QueryList<Tab>;
+    @Output() tabChanged: EventEmitter<Tab> = new EventEmitter<Tab>();
+
+
+    ngAfterContentInit() {  
+        //after contentChildren are set, determine active tab. If no active tab set, activate the first one
+        let activeTabs = this.tabs.filter((tab) => tab.active);
+ 
+        if (activeTabs.length === 0) {
+            this.selectTab(this.tabs.first);
+        }
+    }
+
+    selectTab(tab: Tab) {
+        //activate the tab the user clicked.
+        this.tabs.toArray().forEach(tab => {
+            tab.active = false;
+            if (this.hideIndicationOnTabChange && tab.indication) {
+                tab.indication = null;
+            }
+        });
+        tab.active = true;
+        this.tabChanged.emit(tab);
+    }
+
+    triggerTabChange(tabTitle) {
+        this.tabs.toArray().forEach(tab => {
+            tab.active = (tab.title == tabTitle) ? true : false;
+        });
+    }
+
+    setTabIndication(tabTitle:string, indication?:number) {
+        let selectedTab: Tab = this.tabs.toArray().find(tab => tab.title == tabTitle);
+        selectedTab.indication = indication || null;
+    }
+
+}