mirror of
https://github.com/EGroupware/egroupware.git
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364 lines
8.0 KiB
TypeScript
364 lines
8.0 KiB
TypeScript
/**
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* EGroupware eTemplate2 - Common button code
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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 etemplate
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* @subpackage 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 {css, LitElement, PropertyValues} from "@lion/core";
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import '../Et2Image/Et2Image';
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import shoelace from "../Styles/shoelace";
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import {Et2Button} from "./Et2Button";
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type Constructor<T = LitElement> = new (...args : any[]) => T;
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export const ButtonMixin = <T extends Constructor>(superclass : T) => class extends superclass
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{
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protected clicked : boolean = false;
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/**
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* images to be used as background-image, if none is explicitly applied and id matches given regular expression
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*/
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static readonly default_background_images : object = {
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save: /save(&|\]|$)/,
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apply: /apply(&|\]|$)/,
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cancel: /cancel(&|\]|$)/,
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delete: /delete(&|\]|$)/,
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discard: /discard(&|\]|$)/,
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edit: /edit(&|\[\]|$)/,
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next: /(next|continue)(&|\]|$)/,
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finish: /finish(&|\]|$)/,
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back: /(back|previous)(&|\]|$)/,
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copy: /copy(&|\]|$)/,
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more: /more(&|\]|$)/,
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check: /(yes|check)(&|\]|$)/,
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cancelled: /no(&|\]|$)/,
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ok: /ok(&|\]|$)/,
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close: /close(&|\]|$)/,
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add: /(add(&|\]|$)|create)/ // customfields use create*
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};
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/**
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* Classnames added automatically to buttons to set certain hover background colors
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*/
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static readonly default_classes : object = {
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et2_button_cancel: /cancel(&|\]|$)/, // yellow
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et2_button_question: /(yes|no)(&|\]|$)/, // yellow
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et2_button_delete: /delete(&|\]|$)/ // red
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};
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static get styles()
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{
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return [
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...shoelace,
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...(super.styles || []),
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css`
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:host {
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padding: 0;
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/* These should probably come from somewhere else */
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max-width: 125px;
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min-width: fit-content;
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}
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/* Override general disabled=hide from Et2Widget */
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:host([disabled]) {
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display: initial;
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}
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:host([hideonreadonly][disabled]) {
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display:none !important;
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}
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/* Set size for icon */
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::slotted(img.imageOnly) {
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padding-right: 0px !important;
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width: 16px !important;
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}
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::slotted(et2-image) {
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width: 20px;
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max-width: 20px;
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display: flex;
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}
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::slotted([slot="icon"][src='']) {
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display: none;
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}
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.imageOnly {
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width:18px;
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height: 18px;
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}
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/* Make hover border match other widgets (select) */
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.button--standard.button--default:hover:not(.button--disabled) {
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background-color: var(--sl-color-gray-150);
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border-color: var(--sl-input-border-color-hover);
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color: var(--sl-input-color-hover);
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}
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.button {
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justify-content: left;
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}
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.button--has-label.button--medium .button__label {
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padding: 0 var(--sl-spacing-medium);
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}
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.button__label {
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text-overflow: ellipsis;
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overflow-x: hidden;
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}
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.button__prefix {
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padding-left: 1px;
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}
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/* Only image, no label */
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.button--has-prefix:not(.button--has-label) {
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justify-content: center;
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width: var(--sl-input-height-medium);
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padding-inline-start: 0;
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}
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`,
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];
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}
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static get properties()
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{
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return {
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...super.properties,
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image: {type: String},
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/**
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* If button is set to readonly, do we want to hide it completely (old behaviour) or show it as disabled
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* (default)
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* Something's not quite right here, as the attribute shows up as "hideonreadonly" instead of "hide" but
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* it does not show up without the "attribute", and attribute:"hideonreadonly" does not show as an attribute
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*/
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hideOnReadonly: {type: Boolean, reflect: true, attribute: "hide"},
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/**
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* Button should submit the etemplate
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* Return false from the click handler to cancel the submit, or set noSubmit to true to skip submitting.
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*/
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noSubmit: {type: Boolean, reflect: false},
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/**
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* When submitting, skip the validation step. Allows to submit etemplates directly to the server.
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*/
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noValidation: {type: Boolean}
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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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// Property default values
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this.__image = '';
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this.noSubmit = false;
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this.hideOnReadonly = false;
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this.noValidation = false;
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// Do not add icon here, no children can be added in constructor
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}
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set image(new_image : string)
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{
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let oldValue = this.__image;
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if(new_image.indexOf("http") >= 0 || new_image.indexOf(this.egw().webserverUrl) >= 0)
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{
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this.__image = new_image
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}
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else
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{
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this.__image = this.egw().image(new_image);
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}
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this.requestUpdate("image", oldValue);
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}
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get image()
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{
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return this.__image;
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}
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_handleClick(event : MouseEvent) : boolean
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{
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// ignore click on readonly button
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if(this.disabled || this.readonly || event.defaultPrevented)
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{
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event.preventDefault();
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event.stopImmediatePropagation();
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return false;
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}
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this.clicked = true;
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// Cancel buttons don't trigger the close confirmation prompt
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if(this.classList.contains("et2_button_cancel"))
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{
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this.getInstanceManager()?.skip_close_prompt();
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}
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if(!super._handleClick(event))
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{
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this.clicked = false;
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return false;
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}
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// Submit the form
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if(!this.noSubmit)
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{
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return this.getInstanceManager().submit(this, undefined, this.noValidation);
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}
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this.clicked = false;
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this.getInstanceManager()?.skip_close_prompt(false);
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return true;
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}
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/**
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* Handle changes that have to happen based on changes to properties
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*
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*/
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requestUpdate(name : PropertyKey, oldValue)
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{
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super.requestUpdate(name, oldValue);
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// "disabled" is the attribute from the spec
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if(name == 'readonly')
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{
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if(this.readonly)
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{
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this.setAttribute('disabled', "");
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}
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else
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{
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this.removeAttribute("disabled");
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}
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}
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// Default image & class are determined based on ID
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if(name == "id" && this._widget_id)
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{
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// Check against current value to avoid triggering another update
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if(!this.image)
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{
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let image = this._get_default_image(this._widget_id);
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if(image && image != this.__image)
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{
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this.image = image;
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}
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}
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let default_class = this._get_default_class(this._widget_id);
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if(default_class && !this.classList.contains(default_class))
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{
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this.classList.add(default_class);
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}
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}
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}
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updated(changedProperties : PropertyValues)
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{
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super.updated(changedProperties);
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if(changedProperties.has("image"))
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{
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if(this.image && !this._iconNode)
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{
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const image = document.createElement("et2-image");
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image.slot = "prefix";
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this.prepend(image);
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image.src = this.__image;
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}
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else if(this._iconNode)
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{
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this._iconNode.src = this.__image;
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}
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}
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}
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/**
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* Get a default image for the button based on ID
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*
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* @param {string} check_id
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*/
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_get_default_image(check_id : string) : string
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{
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if(!check_id)
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{
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return "";
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}
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if(!this.image)
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{
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for(const image in Et2Button.default_background_images)
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{
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if(check_id.match(Et2Button.default_background_images[image]))
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{
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return image;
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}
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}
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}
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return "";
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}
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/**
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* Get a default class for the button based on ID
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*
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* @param check_id
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* @returns {string}
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*/
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_get_default_class(check_id)
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{
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if(!check_id)
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{
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return "";
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}
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for(var name in Et2Button.default_classes)
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{
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if(check_id.match(Et2Button.default_classes[name]))
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{
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return name;
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}
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}
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return "";
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}
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get _iconNode() : HTMLImageElement
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{
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return <HTMLImageElement>(Array.from(this.children)).find(
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el => (<HTMLElement>el).slot === "prefix",
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);
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}
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get _labelNode() : HTMLElement
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{
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return <HTMLImageElement>(Array.from(this.childNodes)).find(
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el => (<HTMLElement>el).nodeType === 3,
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);
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}
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/**
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* Implementation of the et2_IInput interface
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*/
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/**
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* Always return false as a button is never dirty
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*/
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isDirty()
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{
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return false;
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}
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resetDirty()
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{
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}
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getValue()
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{
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if(this.clicked)
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{
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return true;
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}
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// If "null" is returned, the result is not added to the submitted
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// array.
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return null;
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}
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} |