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export class Popup {
trigger_hov = false
content_hov = false
content?: HTMLElement
shown = false
constructor(
public trigger: HTMLElement,
public container: HTMLElement,
public new_content: () => HTMLElement
) {
trigger.onmouseenter = () => {
this.trigger_hov = true;
this.update_hov()
}
trigger.onmouseleave = () => {
this.trigger_hov = false;
this.update_hov()
}
}
set_shown(s: boolean) {
if (this.shown == s) return
if (s) {
this.content = this.new_content()
this.content.addEventListener("mouseenter", () => {
this.content_hov = true;
this.update_hov()
})
this.content.addEventListener("mouseleave", () => {
this.content_hov = false;
this.update_hov()
})
this.container.append(this.content)
} else {
this.container.removeChild(this.content!)
this.content = undefined
}
this.shown = s
}
hide_timeout?: number
update_hov() {
if (this.content_hov || this.trigger_hov) {
this.set_shown(true)
if (this.hide_timeout !== undefined) {
clearTimeout(this.hide_timeout)
this.hide_timeout = undefined
}
} else {
if (this.hide_timeout === undefined) this.hide_timeout = setTimeout(() => {
this.set_shown(false)
this.hide_timeout = undefined
}, 100)
}
}
}
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