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card.ts
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card.ts
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import {Column, ColumnView} from "./column"
import type {StyleSheetLike} from "@bokehjs/core/dom"
import * as DOM from "@bokehjs/core/dom"
import type * as p from "@bokehjs/core/properties"
import card_css from "styles/models/card.css"
const CHEVRON_RIGHT = `
<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" class="icon icon-tabler icons-tabler-outline icon-tabler-chevron-right"><path stroke="none" d="M0 0h12v12H0z" fill="none"/><path d="M9 6l6 6l-6 6" /></svg>
`
const CHEVRON_DOWN = `
<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" class="icon icon-tabler icons-tabler-outline icon-tabler-chevron-down"><path stroke="none" d="M0 0h12v12H0z" fill="none"/><path d="M6 9l6 6l6 -6" /></svg>
`
export class CardView extends ColumnView {
declare model: Card
button_el: HTMLButtonElement
header_el: HTMLElement
readonly collapsed_style = new DOM.InlineStyleSheet()
override connect_signals(): void {
super.connect_signals()
const {active_header_background, collapsed, header_background, header_color, hide_header} = this.model.properties
this.on_change(collapsed, () => this._collapse())
this.on_change([header_color, hide_header], () => this.render())
this.on_change([active_header_background, collapsed, header_background], () => {
const header_background = this.header_background
if (header_background == null) {
return
}
this.child_views[0].el.style.backgroundColor = header_background
this.header_el.style.backgroundColor = header_background
})
}
override stylesheets(): StyleSheetLike[] {
return [...super.stylesheets(), card_css]
}
protected override *_stylesheets(): Iterable<DOM.StyleSheet> {
yield* super._stylesheets()
yield this.collapsed_style
}
get header_background(): string | null {
let header_background = this.model.header_background
if (!this.model.collapsed && this.model.active_header_background) {
header_background = this.model.active_header_background
}
return header_background
}
override render(): void {
this.empty()
if (this.model.collapsed) {
this.collapsed_style.replace(":host", {
height: "fit-content",
flex: "none",
})
}
this._update_stylesheets()
this._update_css_classes()
this._apply_styles()
this._apply_visible()
this.class_list.add(...this.css_classes())
const {button_css_classes, header_color, header_tag, header_css_classes} = this.model
const header_background = this.header_background
const header = this.child_views[0]
let header_el
if (this.model.collapsible) {
this.button_el = DOM.createElement("button", {type: "button", class: header_css_classes})
const icon = DOM.createElement("div", {class: button_css_classes})
icon.innerHTML = this.model.collapsed ? CHEVRON_RIGHT : CHEVRON_DOWN
this.button_el.appendChild(icon)
this.button_el.style.backgroundColor = header_background != null ? header_background : ""
header.el.style.backgroundColor = header_background != null ? header_background : ""
this.button_el.appendChild(header.el)
this.button_el.onclick = () => this._toggle_button()
header_el = this.button_el
} else {
header_el = DOM.createElement((header_tag as any), {class: header_css_classes})
header_el.style.backgroundColor = header_background != null ? header_background : ""
header_el.appendChild(header.el)
}
this.header_el = header_el
if (!this.model.hide_header) {
header_el.style.color = header_color != null ? header_color : ""
this.shadow_el.appendChild(header_el)
header.render()
header.after_render()
}
if (this.model.collapsed) {
return
}
for (const child_view of this.child_views.slice(1)) {
this.shadow_el.appendChild(child_view.el)
child_view.render()
child_view.after_render()
}
}
override async update_children(): Promise<void> {
await this.build_child_views()
this.render()
this.invalidate_layout()
}
_toggle_button(): void {
this.model.collapsed = !this.model.collapsed
}
_collapse(): void {
for (const child_view of this.child_views.slice(1)) {
if (this.model.collapsed) {
this.shadow_el.removeChild(child_view.el)
child_view.model.visible = false
} else {
child_view.render()
child_view.after_render()
this.shadow_el.appendChild(child_view.el)
child_view.model.visible = true
}
}
if (this.model.collapsed) {
this.collapsed_style.replace(":host", {
height: "fit-content",
flex: "none",
})
} else {
this.collapsed_style.clear()
}
this.button_el.children[0].innerHTML = this.model.collapsed ? CHEVRON_RIGHT : CHEVRON_DOWN
this.invalidate_layout()
}
protected override _createElement(): HTMLElement {
return DOM.createElement((this.model.tag as any), {class: this.css_classes()})
}
}
export namespace Card {
export type Attrs = p.AttrsOf<Props>
export type Props = Column.Props & {
active_header_background: p.Property<string | null>
button_css_classes: p.Property<string[]>
collapsed: p.Property<boolean>
collapsible: p.Property<boolean>
header_background: p.Property<string | null>
header_color: p.Property<string | null>
header_css_classes: p.Property<string[]>
header_tag: p.Property<string>
hide_header: p.Property<boolean>
tag: p.Property<string>
}
}
export interface Card extends Card.Attrs {}
export class Card extends Column {
declare properties: Card.Props
constructor(attrs?: Partial<Card.Attrs>) {
super(attrs)
}
static override __module__ = "panel.models.layout"
static {
this.prototype.default_view = CardView
this.define<Card.Props>(({List, Bool, Nullable, Str}) => ({
active_header_background: [ Nullable(Str), null ],
button_css_classes: [ List(Str), [] ],
collapsed: [ Bool, true ],
collapsible: [ Bool, true ],
header_background: [ Nullable(Str), null ],
header_color: [ Nullable(Str), null ],
header_css_classes: [ List(Str), [] ],
header_tag: [ Str, "div" ],
hide_header: [ Bool, false ],
tag: [ Str, "div" ],
}))
}
}