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import { ComponentRender } from '../zd-component/component-render';
import { ICodeEditor } from './interfaces';
/**
* The Code Editor component <code>zd-code-editor</code> is used to show code
* highlighted using one of the * language supported by <a href=\"http://prismjs.com\"
* alt=\"Prism JS\" target=\"_blank\">Prism JS</a> * (<strong>html</strong>,
* <strong>javascript</strong>, <strong>typescript</strong>, <strong>css</strong>,
* <strong>json</strong>, <strong>bash</strong>, <strong>etc.</strong>).
* It can show code from a datasource field or static code.
*/
export class CodeEditor extends ComponentRender implements ICodeEditor {
/**
* Defines the component height. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public height: string | number = 'auto';
/**
* Defines the component min height. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public minHeight: string | number = 'auto';
/**
* Defines the component max height. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public maxHeight: string | number = 'none';
// Set component height to fill all space available
public fillHeight = false;
/**
* Defines the component width. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public width: string | number = 'auto';
/**
* Defines the component min width. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public minWidth: string | number = 'auto';
/**
* Defines the component max height. Possible values for this property can be
* <samp>'auto', '100%', '400px' or 400</samp>
*/
public maxWidth: string | number = 'none';
/**
* Language code to be used for highlight (js|javascript, css, html, json,
* ts|typescript, bash|shell)
* Other languages must be imported above
*/
public language = 'ts';
// Controls if line numbers are shown
public showLineNumbers: boolean | string = true;
// Icon to be shown on copy action
public copyIcon?: string = 'content-copy';
/* Tooltip text */
public tooltipText = 'COPY';
/* Readonly */
public readonly?: boolean = false;
/* Whether to show line numbers. */
public lineNumbers?: boolean = true;
/* Match line numbers text color to the theme. */
public autoStyleLineNumbers?: boolean = true;
/* The number of characters to insert when pressing tab key. */
public tabSize?: number | string = 2;
/* Whether to use spaces for indentation */
public insertSpaces?: boolean = true;
/* Ignore Tab key */
public ignoreTabKey?: boolean = false;
/* Function to load extraLanguages to render */
public loadExtraLanguages?: string | (() => void);
/* Enable fullscreen button */
public enableFullscreen?: boolean = false;
/* Enable copy function and icon */
public enableCopy?: boolean = true;
private staticCodeValue: object | string | string[] = '';
// TO DO
// private fullscreenModal?: Modal;
/* istanbul ignore next */
/**
* Creates a new CodeEditor
* @param props CodeEditor properties
*/
constructor(props: ICodeEditor) {
super(props);
this.code = this.getInitValue('code', props.code, this.staticCodeValue);
this.copyIcon = this.getInitValue('copyIcon', props.copyIcon, this.copyIcon);
this.height = this.getInitValue('height', props.height, this.height);
this.minHeight = this.getInitValue('minHeight', props.minHeight, this.minHeight);
this.maxHeight = this.getInitValue('maxHeight', props.maxHeight, this.maxHeight);
this.fillHeight = this.getInitValue('fillHeight', props.fillHeight, this.fillHeight);
this.width = this.getInitValue('width', props.width, this.width);
this.minWidth = this.getInitValue('minWidth', props.minWidth, this.minWidth);
this.maxWidth = this.getInitValue('maxWidth', props.maxWidth, this.maxWidth);
this.language = this.getInitValue('language', props.language, this.language);
this.autoStyleLineNumbers = this.getInitValue(
'autoStyleLineNumbers',
props.autoStyleLineNumbers,
this.autoStyleLineNumbers,
);
this.showLineNumbers = this.getInitValue('showLineNumbers', props.showLineNumbers, this.showLineNumbers);
this.readonly = this.getInitValue('readonly', props.readonly, this.readonly);
this.maxHeight = this.getInitValue('maxHeight', props.maxHeight, this.maxHeight);
this.tabSize = this.getInitValue('tabSize', props.tabSize, this.tabSize);
this.insertSpaces = this.getInitValue('insertSpaces', props.insertSpaces, this.insertSpaces);
this.ignoreTabKey = this.getInitValue('ignoreTabKey', props.ignoreTabKey, this.ignoreTabKey);
this.loadExtraLanguages = this.getInitValue(
'loadExtraLanguages',
props.loadExtraLanguages,
this.loadExtraLanguages,
);
this.enableFullscreen = this.getInitValue('enableFullscreen', props.enableFullscreen, this.enableFullscreen);
this.enableCopy = this.getInitValue('enableCopy', props.enableCopy, this.enableCopy);
this.createAccessors();
Messages.add({
'pt-BR': {
translation: {
FULLSCREEN: 'Tela Cheia',
COPY: 'Copiar',
COPIED: 'Copiado!',
},
},
'es-ES': {
translation: {
FULLSCREEN: 'Pantalla Completa',
COPY: 'Copiar',
COPIED: '¡Copiado!',
},
},
'en-US': {
translation: {
FULLSCREEN: 'Fullscreen',
COPY: 'Copy!!',
COPIED: 'Copied!',
},
},
});
}
private viewHighlight?: (code: string, language: string) => string;
public setViewHighlight(fn: (code: string, language: string) => string) {
this.viewHighlight = fn;
}
/**
* Code to be shown. When showing JSON code, the JSON object
* can be passed instead of the string code.
*/
public get code() {
return this.staticCodeValue;
}
public set code(code: object | string | string[]) {
this.staticCodeValue = code;
}
public get codeValue() {
return this.getCode();
}
public set codeValue(code: string) {
this.code = code;
}
/**
* Retrieves static code as string
*/
public getCode() {
let result: any = '';
if (this.staticCodeValue) {
result = this.staticCodeValue;
if (Array.isArray(result)) {
result = result
.map((item: any) => (typeof item === 'object' ? JSON.stringify(item, null, 2) : item))
.join('\n');
} else if (typeof result === 'object') {
result = JSON.stringify(result, null, 2);
}
}
return result;
}
/**
* Copy the component content to clipboard
*/
public async copyToClipboard() {
const text = this.codeValue;
// Use the Async Clipboard API when available. Requires a secure browing
// context (i.e. HTTPS)
if (navigator.clipboard) {
await navigator.clipboard.writeText(text);
this.changeTooltipText();
return Promise.resolve();
}
// ...Otherwise, use document.execCommand() fallback
// Put the text to copy into a <span>
const span = document.createElement('span');
span.textContent = text;
// Preserve consecutive spaces and newlines
span.style.whiteSpace = 'pre';
span.style.opacity = '0';
// Add the <span> to the page
document.body.appendChild(span);
// Make a selection object representing the range of text selected by the user
const selection = window.getSelection();
const range = window.document.createRange();
let success = false;
if (selection) {
selection.removeAllRanges();
range.selectNode(span);
selection.addRange(range);
// Copy text to the clipboard
success = window.document.execCommand('copy');
// Cleanup
selection.removeAllRanges();
window.document.body.removeChild(span);
}
if (success) {
this.changeTooltipText();
}
// The Async Clipboard API returns a promise that may reject with `undefined`
// so we match that here for consistency.
return success ? Promise.resolve() : Promise.reject();
}
private changeTooltipText() {
this.tooltipText = 'COPIED';
setTimeout(() => {
this.tooltipText = 'COPY';
}, 2000);
}
/**
* Get the code highlighted
*/
public getHighlightedCode() {
if (!this.viewHighlight) {
throw new MethodNotAssignedError('viewHighlight');
}
if (typeof this.loadExtraLanguages === 'function') {
this.loadExtraLanguages();
}
return this.viewHighlight(this.getCode(), this.language);
}
/**
* Get the total of lines
*/
get lineNumbersCount() {
let totalLines = this.codeValue.split(/\r\n|\n/).length;
if (this.codeValue.endsWith('\n') || !this.code) {
totalLines -= 1;
}
return totalLines;
}
// TO DO
//
// private openFullscreenModal() {
// if (!this.fullscreenModal) {
// const fullscreenModalDef: IModal = {
// name: `${this.name}-fullscreen-modal`,
// fullscreen: true,
// persistent: true,
// children: [
// {
// name: `${this.name}-fullscreen-header`,
// component: 'ZdHeader',
// color: 'transparent',
// padless: true,
// elevation: 0,
// },
// {
// name: `${this.name}-modal`,
// component: 'ZdHighlight',
// instanceObject: this,
// },
// ],
// };
// this.fullscreenModal = ModalService.create(fullscreenModalDef);
// }
// this.fullscreenModal.show();
// }
// get isFullscreen() {
// return this.fullscreenModal?.isVisible;
// }
// public fullscreenClick() {
// if (!this.isFullscreen) this.openFullscreenModal();
// else this.closeModal();
// }
}
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