Files
azuredatastudio/src/sql/base/browser/ui/panel/tabHeader.component.ts

100 lines
3.6 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import 'vs/css!sql/media/icons/common-icons';
import 'vs/css!./tabHeader';
import { Component, AfterContentInit, OnDestroy, Input, Output, ElementRef, ViewChild, EventEmitter } from '@angular/core';
import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
import { KeyCode } from 'vs/base/common/keyCodes';
import * as DOM from 'vs/base/browser/dom';
import { Disposable } from 'vs/base/common/lifecycle';
import { TabComponent } from './tab.component';
import { CloseTabAction } from './tabActions';
@Component({
selector: 'tab-header',
template: `
<div #actionHeader role="presentation" class="tab-header" style="flex: 0 0; flex-direction: row; height: 100%" [class.active]="tab.active" tabindex="0" (keyup)="onKey($event)">
<span class="tab" (click)="selectTab(tab)" role="tab" [attr.aria-selected]="tab.active" [attr.aria-controls]="tab.title">
<a class="tabLabel" [class.active]="tab.active" #tabLabel>
</a>
</span>
<span #actionbar style="flex: 0 0 auto; align-self: end; margin-top: auto; margin-bottom: auto;" ></span>
</div>
`
})
export class TabHeaderComponent extends Disposable implements AfterContentInit, OnDestroy {
@Input() public tab: TabComponent;
@Input() public showIcon: boolean;
@Input() public active: boolean;
@Output() public onSelectTab: EventEmitter<TabComponent> = new EventEmitter<TabComponent>();
@Output() public onCloseTab: EventEmitter<TabComponent> = new EventEmitter<TabComponent>();
private _actionbar: ActionBar;
@ViewChild('actionHeader', { read: ElementRef }) private _actionHeaderRef: ElementRef;
@ViewChild('actionbar', { read: ElementRef }) private _actionbarRef: ElementRef;
@ViewChild('tabLabel', { read: ElementRef }) private _tabLabelRef: ElementRef;
constructor() {
super();
}
ngAfterContentInit(): void {
if (this.tab.canClose || this.tab.actions) {
this._actionbar = new ActionBar(this._actionbarRef.nativeElement);
if (this.tab.actions) {
this._actionbar.push(this.tab.actions, { icon: true, label: false });
}
if (this.tab.canClose) {
let closeAction = this._register(new CloseTabAction(this.closeTab, this));
this._actionbar.push(closeAction, { icon: true, label: false });
}
}
let tabLabelcontainer = this._tabLabelRef.nativeElement as HTMLElement;
if (this.showIcon && this.tab.iconClass) {
tabLabelcontainer.className = 'tabLabel icon';
tabLabelcontainer.classList.add(this.tab.iconClass);
} else {
tabLabelcontainer.className = 'tabLabel';
tabLabelcontainer.textContent = this.tab.title;
}
tabLabelcontainer.title = this.tab.title;
}
ngOnDestroy() {
if (this._actionbar) {
this._actionbar.dispose();
}
this.dispose();
}
selectTab(tab: TabComponent) {
this.onSelectTab.emit(tab);
}
closeTab() {
this.onCloseTab.emit(this.tab);
}
focusOnTabHeader() {
let header = <HTMLElement>this._actionHeaderRef.nativeElement;
header.focus();
}
onKey(e: Event) {
if (DOM.isAncestor(<HTMLElement>e.target, this._actionHeaderRef.nativeElement) && e instanceof KeyboardEvent) {
let event = new StandardKeyboardEvent(e);
if (event.equals(KeyCode.Enter)) {
this.onSelectTab.emit(this.tab);
e.stopPropagation();
}
}
}
}