mirror of
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115 lines
2.5 KiB
TypeScript
115 lines
2.5 KiB
TypeScript
/**
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* EGroupware eTemplate2 - Image selection WebComponent
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @link https://www.egroupware.org
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* @author Nathan Gray
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*/
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import {Et2Select} from "../Et2Select";
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import {css, html, TemplateResult} from "lit";
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import {SelectOption} from "../FindSelectOptions";
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import {SlOption} from "@shoelace-style/shoelace";
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export class Et2SelectThumbnail extends Et2Select
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{
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static get styles()
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{
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return [
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...super.styles,
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css`
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/* Hide selected options from the dropdown */
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::slotted([checked])
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{
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display: none;
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}
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/* Hide dropdown icon */
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::part(icon), .select__icon {
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display: none;
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}
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`
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];
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}
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constructor(...args : any[])
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{
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super(...args);
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this.search = false;
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this.allowFreeEntries = true;
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this.editModeEnabled = true;
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this.multiple = true;
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this.pill = false;
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}
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/**
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* Create an entry that is not in the options and add it to the value
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* Overridden here to set the icon as the text, since this is a thumbnail
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*
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* @param {string} text Used as both value and label
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*/
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public createFreeEntry(text : string) : boolean
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{
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if(!this.validateFreeEntry(text))
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{
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return false;
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}
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// Make sure not to double-add
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if(!this.select_options.find(o => o.value == text))
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{
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this.__select_options.push(<SelectOption>{
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value: text,
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label: "",
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icon: text
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});
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this.requestUpdate('select_options');
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}
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this.requestUpdate();
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// Make sure not to double-add
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if(this.multiple && this.value.indexOf(text) == -1)
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{
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this.value.push(text);
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}
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else if(!this.multiple)
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{
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this.value = text;
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return;
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}
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return true;
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}
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get tagTag() : string
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{
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return "et2-thumbnail-tag";
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}
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/**
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* Custom tag
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*
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* Override this to customise display when multiple=true.
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* There is no restriction on the tag used, unlike _optionTemplate()
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*
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* @param {Et2Option} option
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* @param {number} index
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* @returns {TemplateResult}
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* @protected
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*/
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protected _tagTemplate(option : SlOption, index : number) : TemplateResult
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{
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// Different image - slot in just an image so we can have complete control over styling
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return html`
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<et2-thumbnail-tag>
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<img
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part="image"
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slot="prefix"
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src="${option.value}"
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/>
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</et2-thumbnail-tag>
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`;
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}
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}
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customElements.define("et2-select-thumbnail", Et2SelectThumbnail); |