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import { Directive, HostListener, ComponentRef, ViewContainerRef, ComponentFactoryResolver, ComponentFactory, Input, OnChanges, SimpleChange, Output, EventEmitter } from "@angular/core";
import {PopoverContentComponent} from "./popover-content.component";
@Directive({
selector: "[popover]",
exportAs: "popover"
})
export class PopoverComponent implements OnChanges {
protected PopoverComponent = PopoverContentComponent;
protected popover: ComponentRef<PopoverContentComponent>;
protected visible: boolean;
constructor(protected viewContainerRef: ViewContainerRef,
protected resolver: ComponentFactoryResolver) {
}
@Input("popover")
content: string|PopoverContentComponent;
@Input()
popoverDisabled: boolean;
@Input()
popoverAnimation: boolean;
@Input()
popoverPlacement: "top"|"bottom"|"left"|"right"|"auto"|"auto top"|"auto bottom"|"auto left"|"auto right";
@Input()
popoverTitle: string;
@Input()
popoverOnHover: boolean = false;
@Input()
popoverCloseOnClickOutside: boolean;
@Input()
popoverCloseOnMouseOutside: boolean;
@Input()
popoverDismissTimeout: number = 0;
@Output()
onShown = new EventEmitter<PopoverComponent>();
@Output()
onHidden = new EventEmitter<PopoverComponent>();
@HostListener("click")
showOrHideOnClick(): void {
if (this.popoverOnHover) return;
if (this.popoverDisabled) return;
this.toggle();
}
@HostListener("focusin")
@HostListener("mouseenter")
showOnHover(): void {
if (!this.popoverOnHover) return;
if (this.popoverDisabled) return;
this.show();
}
@HostListener("focusout")
@HostListener("mouseleave")
hideOnHover(): void {
if (this.popoverCloseOnMouseOutside) return;
if (!this.popoverOnHover) return;
if (this.popoverDisabled) return;
this.hide();
}
ngOnChanges(changes: {[propertyName: string]: SimpleChange}) {
if (changes["popoverDisabled"]) {
if (changes["popoverDisabled"].currentValue) {
this.hide();
}
}
}
toggle() {
if (!this.visible) {
this.show();
} else {
this.hide();
}
}
show() {
if (this.visible) return;
this.visible = true;
if (typeof this.content === "string") {
const factory = this.resolver.resolveComponentFactory(this.PopoverComponent);
if (!this.visible)
return;
this.popover = this.viewContainerRef.createComponent(factory);
const popover = this.popover.instance as PopoverContentComponent;
popover.popover = this;
popover.content = this.content as string;
if (this.popoverPlacement !== undefined)
popover.placement = this.popoverPlacement;
if (this.popoverAnimation !== undefined)
popover.animation = this.popoverAnimation;
if (this.popoverTitle !== undefined)
popover.title = this.popoverTitle;
if (this.popoverCloseOnClickOutside !== undefined)
popover.closeOnClickOutside = this.popoverCloseOnClickOutside;
if (this.popoverCloseOnMouseOutside !== undefined)
popover.closeOnMouseOutside = this.popoverCloseOnMouseOutside;
popover.onCloseFromOutside.subscribe(() => this.hide());
if (this.popoverDismissTimeout > 0)
setTimeout(() => this.hide(), this.popoverDismissTimeout);
} else {
const popover = this.content as PopoverContentComponent;
popover.popover = this;
if (this.popoverPlacement !== undefined)
popover.placement = this.popoverPlacement;
if (this.popoverAnimation !== undefined)
popover.animation = this.popoverAnimation;
if (this.popoverTitle !== undefined)
popover.title = this.popoverTitle;
if (this.popoverCloseOnClickOutside !== undefined)
popover.closeOnClickOutside = this.popoverCloseOnClickOutside;
if (this.popoverCloseOnMouseOutside !== undefined)
popover.closeOnMouseOutside = this.popoverCloseOnMouseOutside;
popover.onCloseFromOutside.subscribe(() => this.hide());
if (this.popoverDismissTimeout > 0)
setTimeout(() => this.hide(), this.popoverDismissTimeout);
popover.show();
}
this.onShown.emit(this);
}
hide() {
if (!this.visible) return;
this.visible = false;
if (this.popover)
this.popover.destroy();
if (this.content instanceof PopoverContentComponent)
(this.content as PopoverContentComponent).hideFromPopover();
this.onHidden.emit(this);
}
getElement() {
return this.viewContainerRef.element.nativeElement;
}
}
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