349 lines
10 KiB
TypeScript
349 lines
10 KiB
TypeScript
import {
|
|
customElement,
|
|
DeesElement,
|
|
type TemplateResult,
|
|
property,
|
|
state,
|
|
html,
|
|
css,
|
|
cssManager,
|
|
type CSSResult,
|
|
} from '@design.estate/dees-element';
|
|
import * as domtools from '@design.estate/dees-domtools';
|
|
import { demoFunc } from './dees-input-dropdown.demo.js';
|
|
import { DeesWindowLayer } from './dees-windowlayer.js';
|
|
|
|
declare global {
|
|
interface HTMLElementTagNameMap {
|
|
'dees-input-dropdown': DeesInputDropdown;
|
|
}
|
|
}
|
|
|
|
@customElement('dees-input-dropdown')
|
|
export class DeesInputDropdown extends DeesElement {
|
|
public static demo = demoFunc;
|
|
|
|
// INSTANCE
|
|
public changeSubject = new domtools.plugins.smartrx.rxjs.Subject();
|
|
|
|
@property({
|
|
type: String,
|
|
reflect: true,
|
|
})
|
|
public label: string = 'Label';
|
|
|
|
@property()
|
|
public key: string;
|
|
|
|
@property()
|
|
public options: { option: string; key: string; payload?: any }[] = [];
|
|
|
|
@property()
|
|
public selectedOption: { option: string; key: string; payload?: any } = null;
|
|
|
|
@property({
|
|
type: Boolean,
|
|
})
|
|
public required: boolean = false;
|
|
|
|
@property({
|
|
type: Boolean,
|
|
})
|
|
public enableSearch: boolean = true;
|
|
|
|
@property({
|
|
type: Boolean,
|
|
})
|
|
public disabled: boolean = false;
|
|
|
|
@state()
|
|
public opensToTop: boolean = false;
|
|
|
|
@state()
|
|
private filteredOptions: { option: string; key: string; payload?: any }[] = [];
|
|
|
|
@state()
|
|
private highlightedIndex: number = 0;
|
|
|
|
@state()
|
|
public isOpened = false;
|
|
|
|
public static styles = [
|
|
cssManager.defaultStyles,
|
|
css`
|
|
* {
|
|
box-sizing: border-box;
|
|
}
|
|
|
|
:host {
|
|
font-family: Roboto;
|
|
position: relative;
|
|
display: block;
|
|
color: ${cssManager.bdTheme('#222', '#fff')};
|
|
margin-bottom: 24px;
|
|
}
|
|
|
|
.maincontainer {
|
|
display: block;
|
|
}
|
|
|
|
.label {
|
|
font-size: 14px;
|
|
margin-bottom: 4px;
|
|
}
|
|
|
|
.selectedBox {
|
|
user-select: none;
|
|
position: relative;
|
|
max-width: 420px;
|
|
height: 40px;
|
|
line-height: 40px;
|
|
padding: 0px 8px;
|
|
background: ${cssManager.bdTheme('#fafafa', '#222')};
|
|
box-shadow: ${cssManager.bdTheme('0px 1px 4px rgba(0,0,0,0.3)', 'none')};
|
|
border-radius: 3px;
|
|
border-top: ${cssManager.bdTheme('1px solid #CCC', '1px solid #444')};
|
|
border-bottom: ${cssManager.bdTheme('1px solid #CCC', '1px solid #333')};
|
|
transition: all 0.2s ease;
|
|
}
|
|
|
|
.accentBottom {
|
|
background: #ffffff10;
|
|
}
|
|
|
|
.accentTop {
|
|
background: #ffffff10;
|
|
}
|
|
|
|
.selectionBox {
|
|
will-change: transform;
|
|
pointer-events: none;
|
|
transition: all 0.2s ease;
|
|
opacity: 0;
|
|
background: ${cssManager.bdTheme('#ffffff', '#222222')};
|
|
max-width: 420px;
|
|
box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
|
|
min-height: 40px;
|
|
border-radius: 3px;
|
|
padding: 4px 8px;
|
|
transform: scale(0.98, 0.98);
|
|
position: absolute;
|
|
user-select: none;
|
|
}
|
|
|
|
.selectionBox.show {
|
|
pointer-events: all;
|
|
opacity: 1;
|
|
transform: scale(1, 1);
|
|
box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.8);
|
|
}
|
|
|
|
.option {
|
|
transition: all 0.1s;
|
|
line-height: 32px;
|
|
padding: 0px 4px;
|
|
border-radius: 3px;
|
|
margin: 4px 0px;
|
|
}
|
|
|
|
.option.highlighted {
|
|
border-left: 2px solid #0277bd;
|
|
padding-left: 6px;
|
|
background: #ffffff20;
|
|
}
|
|
|
|
.option:hover {
|
|
color: #fff;
|
|
padding-left: 8px;
|
|
background: #0277bd;
|
|
}
|
|
|
|
.search {
|
|
padding: 8px;
|
|
}
|
|
.search input {
|
|
display: block;
|
|
width: 80%;
|
|
background: none;
|
|
border: none;
|
|
height: 24px;
|
|
color: inherit;
|
|
text-align: center;
|
|
font-size: 12px;
|
|
font-weight: 600;
|
|
background: ${cssManager.bdTheme('#00000010', '#ffffff08')};
|
|
border-radius: 16px;
|
|
margin: auto;
|
|
}
|
|
|
|
.search input:focus {
|
|
border: none;
|
|
outline: none;
|
|
}
|
|
`,
|
|
];
|
|
|
|
public render(): TemplateResult {
|
|
return html`
|
|
<div class="maincontainer" @keydown="${this.isOpened ? this.handleKeyDown : undefined}">
|
|
${this.label ? html`<div class="label">${this.label}</div>` : html``}
|
|
<div class="selectionBox">
|
|
${this.enableSearch && !this.opensToTop
|
|
? html`
|
|
<div class="search">
|
|
<input type="text" placeholder="Search" @input="${this.handleSearch}" />
|
|
</div>
|
|
`
|
|
: null}
|
|
${this.filteredOptions.map((option, index) => {
|
|
const isHighlighted = this.highlightedIndex === index;
|
|
return html`
|
|
<div
|
|
class="option ${isHighlighted ? 'highlighted' : ''}"
|
|
@click=${() => {
|
|
this.updateSelection(option);
|
|
}}
|
|
>
|
|
${option.option}
|
|
</div>
|
|
`;
|
|
})}
|
|
${this.enableSearch && this.opensToTop
|
|
? html`
|
|
<div class="search">
|
|
<input type="text" placeholder="Search" @input="${this.handleSearch}" />
|
|
</div>
|
|
`
|
|
: null}
|
|
</div>
|
|
<div
|
|
class="selectedBox"
|
|
@click="${(event) => {
|
|
if (!this.isElevated) {
|
|
this.toggleSelectionBox();
|
|
} else {
|
|
this.updateSelection(this.selectedOption);
|
|
}
|
|
}}"
|
|
>
|
|
${this.selectedOption?.option}
|
|
</div>
|
|
</div>
|
|
`;
|
|
}
|
|
|
|
firstUpdated() {
|
|
this.selectedOption = this.selectedOption || this.options[0] || null;
|
|
this.filteredOptions = this.options; // Initialize filteredOptions
|
|
}
|
|
|
|
public async updateSelection(selectedOption) {
|
|
this.selectedOption = selectedOption;
|
|
|
|
this.dispatchEvent(
|
|
new CustomEvent('selectedOption', {
|
|
detail: selectedOption,
|
|
bubbles: true,
|
|
})
|
|
);
|
|
if (this.isElevated) {
|
|
this.toggleSelectionBox();
|
|
}
|
|
this.changeSubject.next(this);
|
|
}
|
|
|
|
private isElevated: boolean = false;
|
|
private windowOverlay: DeesWindowLayer;
|
|
public async toggleSelectionBox() {
|
|
this.isOpened = !this.isOpened;
|
|
const domtoolsInstance = await this.domtoolsPromise;
|
|
const selectedBox: HTMLElement = this.shadowRoot.querySelector('.selectedBox');
|
|
const selectionBox: HTMLElement = this.shadowRoot.querySelector('.selectionBox');
|
|
if (!this.isElevated) {
|
|
this.windowOverlay = await DeesWindowLayer.createAndShow({
|
|
blur: false,
|
|
});
|
|
const elevatedDropdown = new DeesInputDropdown();
|
|
elevatedDropdown.isElevated = true;
|
|
elevatedDropdown.label = this.label;
|
|
elevatedDropdown.enableSearch = this.enableSearch;
|
|
elevatedDropdown.required = this.required;
|
|
elevatedDropdown.disabled = this.disabled;
|
|
elevatedDropdown.style.position = 'fixed';
|
|
elevatedDropdown.style.top = this.getBoundingClientRect().top + 'px';
|
|
elevatedDropdown.style.left = this.getBoundingClientRect().left + 'px';
|
|
elevatedDropdown.style.width = this.clientWidth + 'px';
|
|
elevatedDropdown.options = this.options;
|
|
elevatedDropdown.selectedOption = this.selectedOption;
|
|
console.log(elevatedDropdown.selectedOption);
|
|
this.windowOverlay.appendChild(elevatedDropdown);
|
|
await domtoolsInstance.convenience.smartdelay.delayFor(0);
|
|
elevatedDropdown.toggleSelectionBox();
|
|
const destroyOverlay = async () => {
|
|
(elevatedDropdown.shadowRoot.querySelector('.selectionBox') as HTMLElement).style.opacity =
|
|
'0';
|
|
elevatedDropdown.removeEventListener('selectedOption', handleSelection);
|
|
this.windowOverlay.removeEventListener('clicked', destroyOverlay);
|
|
this.windowOverlay.destroy();
|
|
};
|
|
const handleSelection = async (event) => {
|
|
await this.updateSelection(elevatedDropdown.selectedOption);
|
|
destroyOverlay();
|
|
};
|
|
elevatedDropdown.addEventListener('selectedOption', handleSelection);
|
|
this.windowOverlay.addEventListener('clicked', destroyOverlay);
|
|
} else {
|
|
if (!selectionBox.classList.contains('show')) {
|
|
selectionBox.style.width = selectedBox.clientWidth + 'px';
|
|
selectionBox.classList.add('show');
|
|
const spaceData = selectedBox.getBoundingClientRect();
|
|
if (300 > window.innerHeight - spaceData.bottom) {
|
|
this.opensToTop = true;
|
|
selectedBox.classList.add('accentTop');
|
|
selectionBox.style.bottom = selectedBox.clientHeight + 2 + 'px';
|
|
} else {
|
|
selectedBox.classList.add('accentBottom');
|
|
this.opensToTop = false;
|
|
const labelOffset = this.label ? 24 : 0;
|
|
selectionBox.style.top = selectedBox.clientHeight + labelOffset + 'px';
|
|
}
|
|
await domtoolsInstance.convenience.smartdelay.delayFor(0);
|
|
const searchInput = selectionBox.querySelector('input');
|
|
searchInput.focus();
|
|
} else {
|
|
selectedBox.style.pointerEvents = 'none';
|
|
selectionBox.classList.remove('show');
|
|
selectedBox.style.opacity = '0';
|
|
}
|
|
}
|
|
}
|
|
|
|
private handleSearch(event: Event): void {
|
|
const searchTerm = (event.target as HTMLInputElement).value.toLowerCase();
|
|
this.filteredOptions = this.options.filter((option) =>
|
|
option.option.toLowerCase().includes(searchTerm)
|
|
);
|
|
this.highlightedIndex = 0; // Reset highlighted index
|
|
}
|
|
|
|
private handleKeyDown(event: KeyboardEvent): void {
|
|
if (!this.isOpened) {
|
|
console.log('discarded key event. Check why this function is called.');
|
|
return;
|
|
}
|
|
const key = event.key;
|
|
const maxIndex = this.filteredOptions.length - 1;
|
|
|
|
if (key === 'ArrowDown') {
|
|
this.highlightedIndex = this.highlightedIndex + 1 > maxIndex ? 0 : this.highlightedIndex + 1;
|
|
event.preventDefault();
|
|
} else if (key === 'ArrowUp') {
|
|
this.highlightedIndex = this.highlightedIndex - 1 < 0 ? maxIndex : this.highlightedIndex - 1;
|
|
event.preventDefault();
|
|
} else if (key === 'Enter') {
|
|
this.updateSelection(this.filteredOptions[this.highlightedIndex]);
|
|
event.preventDefault();
|
|
}
|
|
}
|
|
}
|