130 lines
3.8 KiB
TypeScript
130 lines
3.8 KiB
TypeScript
import {
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css,
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CSSResult,
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customElement,
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html,
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LitElement,
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property,
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TemplateResult,
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} from "lit-element";
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import CodeMirror from "codemirror";
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import "codemirror/addon/display/autorefresh";
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import "codemirror/addon/search/search";
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import "codemirror/addon/search/searchcursor";
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import "codemirror/addon/dialog/dialog";
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import "codemirror/addon/hint/show-hint";
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import "codemirror/mode/xml/xml.js";
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import "codemirror/mode/yaml/yaml.js";
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import "codemirror/mode/javascript/javascript.js";
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import "codemirror/mode/python/python.js";
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import CodeMirrorStyle from "codemirror/lib/codemirror.css";
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import CodeMirrorTheme from "codemirror/theme/monokai.css";
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import CodeMirrorDialogStyle from "codemirror/addon/dialog/dialog.css";
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import CodeMirrorShowHintStyle from "codemirror/addon/hint/show-hint.css";
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import { ifDefined } from "lit-html/directives/if-defined";
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import YAML from "yaml";
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@customElement("ak-codemirror")
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export class CodeMirrorTextarea extends LitElement {
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@property({ type: Boolean })
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readOnly = false;
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@property()
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mode = "yaml";
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@property()
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name?: string;
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editor?: CodeMirror.EditorFromTextArea;
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_value?: string;
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@property()
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// eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/explicit-module-boundary-types
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set value(v: any) {
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if (v === null || v === undefined) return;
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// Value might be an object if within an iron-form, as that calls the getter of value
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// in the beginning and the calls this setter on reset
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let textValue = v;
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if (!(typeof v === "string" || v instanceof String)) {
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switch (this.mode.toLowerCase()) {
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case "yaml":
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textValue = YAML.stringify(v);
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break;
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case "javascript":
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textValue = JSON.stringify(v);
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break;
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default:
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textValue = v.toString();
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break;
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}
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}
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if (this.editor) {
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this.editor.setValue(textValue);
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} else {
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this._value = textValue;
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}
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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get value(): any {
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try {
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switch (this.mode.toLowerCase()) {
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case "yaml":
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return YAML.parse(this.getInnerValue());
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case "javascript":
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return JSON.parse(this.getInnerValue());
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default:
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return this.getInnerValue();
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}
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} catch (e) {
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return this.getInnerValue();
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}
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}
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private getInnerValue(): string {
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if (!this.editor) {
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return "";
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}
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return this.editor.getValue();
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}
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static get styles(): CSSResult[] {
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return [
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CodeMirrorStyle,
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CodeMirrorTheme,
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CodeMirrorDialogStyle,
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CodeMirrorShowHintStyle,
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css`
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.CodeMirror-wrap pre {
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word-break: break-word !important;
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}
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`,
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];
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}
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firstUpdated(): void {
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const textarea = this.shadowRoot?.querySelector("textarea");
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if (!textarea) {
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return;
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}
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this.editor = CodeMirror.fromTextArea(textarea, {
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mode: this.mode,
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theme: "monokai",
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lineNumbers: false, // Line Numbers seem to be broken on firefox?
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readOnly: this.readOnly,
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autoRefresh: true,
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lineWrapping: true,
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value: this._value,
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});
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this.editor.on("blur", () => {
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this.editor?.save();
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});
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}
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render(): TemplateResult {
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return html`<textarea name=${ifDefined(this.name)}>${ifDefined(this._value)}</textarea>`;
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}
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}
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