diff options
Diffstat (limited to 'catalog-ui/src/app/ng2/components/ui/loader')
3 files changed, 183 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/components/ui/loader/loader.component.html b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.html new file mode 100644 index 0000000000..a62aa114d9 --- /dev/null +++ b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.html @@ -0,0 +1,6 @@ +<div *ngIf="isVisible" data-tests-id="tlv-loader" [ngClass]="relative ? 'loader-relative' : 'loader-fixed'" + [style.top]="offset.top" [style.left]="offset.left" [style.width]="offset.width" [style.height]="offset.height"> + <div class="tlv-loader-back" [ngClass]="{'tlv-loader-relative':relative}"></div> + <div class="tlv-loader {{size}}"></div> +</div> + diff --git a/catalog-ui/src/app/ng2/components/ui/loader/loader.component.less b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.less new file mode 100644 index 0000000000..006c3bfa43 --- /dev/null +++ b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.less @@ -0,0 +1,91 @@ +@import '../../../../../assets/styles/variables'; +.tlv-loader-back { + background-color: @main_color_p; + position: fixed; + top: 50px; + left: 0; + right: 0; + bottom: 0; + z-index: 9999; + opacity: 0.5; +} + +.tlv-loader-relative { position: absolute; top: 0;} + +.tlv-loader { + z-index: 10002; +} + +.loader-relative { + display: block; + position:absolute; + width: 100%; + height:100%; +} + +.loader-fixed { + display: block; + position:fixed; + top:0; + left:0; + width: 100%; + height:100%; +} + +@keyframes fadein { + from { opacity: 0; } + to { opacity: 0.8; } +} + +/* Firefox < 16 */ +@-moz-keyframes fadein { + from { opacity: 0; } + to { opacity: 0.8; } +} + +/* Safari, Chrome and Opera > 12.1 */ +@-webkit-keyframes fadein { + from { opacity: 0; } + to { opacity: 0.8; } +} + +/* Internet Explorer */ +@-ms-keyframes fadein { + from { opacity: 0; } + to { opacity: 0.8; } +} + +/* Opera < 12.1 */ +@-o-keyframes fadein { + from { opacity: 0; } + to { opacity: 0.8; } +} + +@keyframes fadeout { + from { opacity: 0.8; } + to { opacity: 0; } +} + +/* Firefox < 16 */ +@-moz-keyframes fadeout { + from { opacity: 0.8; } + to { opacity: 0; } +} + +/* Safari, Chrome and Opera > 12.1 */ +@-webkit-keyframes fadeout { + from { opacity: 0.8; } + to { opacity: 0; } +} + +/* Internet Explorer */ +@-ms-keyframes fadeout { + from { opacity: 0.8; } + to { opacity: 0; } +} + +/* Opera < 12.1 */ +@-o-keyframes fadeout { + from { opacity: 0.8; } + to { opacity: 0; } +} diff --git a/catalog-ui/src/app/ng2/components/ui/loader/loader.component.ts b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.ts new file mode 100644 index 0000000000..f66aa551e2 --- /dev/null +++ b/catalog-ui/src/app/ng2/components/ui/loader/loader.component.ts @@ -0,0 +1,86 @@ +/*- + * ============LICENSE_START======================================================= + * SDC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +/** + * Created by rc2122 on 6/6/2017. + */ +import { Component, Input, ViewContainerRef, SimpleChanges} from "@angular/core"; +@Component({ + selector: 'loader', + templateUrl: './loader.component.html', + styleUrls: ['./loader.component.less'] +}) +export class LoaderComponent { + + @Input() display: boolean; + @Input() size: string;// small || medium || large + @Input() relative: boolean; // If is relative is set to true, loader will appear over parent element. Otherwise, will be fixed over the entire page. + @Input() loaderDelay: number; //optional - number of ms to delay loader display. + + private isVisible: boolean = false; + private offset : { + top: string; + left: string; + width: string; + height: string; + }; + + constructor(private viewContainerRef: ViewContainerRef) { + } + + ngOnInit() { + if (!this.size) { + this.size = 'large'; + } + if (this.display === true) { + this.changeLoaderDisplay(true); + } + } + + ngOnChanges(changes: SimpleChanges) { + if(changes.display){ + this.changeLoaderDisplay(this.display); + } + } + + private changeLoaderDisplay = (display: boolean): void => { + if (display) { + window.setTimeout((): void => { + this.display && this.showLoader(); //only show loader if this.display has not changed in the meanwhile. + }, this.loaderDelay || 0); + } else { + this.isVisible = false; + } + } + + private showLoader = () => { + if (this.relative === true) { + let parentElement = this.viewContainerRef.element.nativeElement.parentElement; + this.offset = { + left: (parentElement.offsetLeft) ? parentElement.offsetLeft + "px" : undefined, + top: (parentElement.offsetTop) ? parentElement.offsetTop + "px" : undefined, + width: (parentElement.offsetWidth) ? parentElement.offsetWidth + "px" : undefined, + height: (parentElement.offsetHeight) ? parentElement.offsetHeight + "px" : undefined + }; + } + this.isVisible = true; + } + +} |