@kolkov/angular-editor
Version:
A simple native WYSIWYG editor for Angular 6+, 7+, 8+. Rich Text editor component for Angular.
412 lines • 32.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Inject, Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { DOCUMENT } from '@angular/common';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common/http";
import * as i2 from "@angular/common";
/**
* @record
*/
export function UploadResponse() { }
if (false) {
/** @type {?} */
UploadResponse.prototype.imageUrl;
}
export class AngularEditorService {
/**
* @param {?} http
* @param {?} doc
*/
constructor(http, doc) {
this.http = http;
this.doc = doc;
/**
* save selection when the editor is focussed out
*/
this.saveSelection = (/**
* @return {?}
*/
() => {
if (this.doc.getSelection) {
/** @type {?} */
const sel = this.doc.getSelection();
if (sel.getRangeAt && sel.rangeCount) {
this.savedSelection = sel.getRangeAt(0);
this.selectedText = sel.toString();
}
}
else if (this.doc.getSelection && this.doc.createRange) {
this.savedSelection = document.createRange();
}
else {
this.savedSelection = null;
}
});
}
/**
* Executed command from editor header buttons exclude toggleEditorMode
* @param {?} command string from triggerCommand
* @return {?}
*/
executeCommand(command) {
/** @type {?} */
const commands = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p', 'pre'];
if (commands.includes(command)) {
this.doc.execCommand('formatBlock', false, command);
return;
}
this.doc.execCommand(command, false, null);
}
/**
* Create URL link
* @param {?} url string from UI prompt
* @return {?}
*/
createLink(url) {
if (!url.includes('http')) {
this.doc.execCommand('createlink', false, url);
}
else {
/** @type {?} */
const newUrl = '<a href="' + url + '" target="_blank">' + this.selectedText + '</a>';
this.insertHtml(newUrl);
}
}
/**
* insert color either font or background
*
* @param {?} color color to be inserted
* @param {?} where where the color has to be inserted either text/background
* @return {?}
*/
insertColor(color, where) {
/** @type {?} */
const restored = this.restoreSelection();
if (restored) {
if (where === 'textColor') {
this.doc.execCommand('foreColor', false, color);
}
else {
this.doc.execCommand('hiliteColor', false, color);
}
}
}
/**
* Set font name
* @param {?} fontName string
* @return {?}
*/
setFontName(fontName) {
this.doc.execCommand('fontName', false, fontName);
}
/**
* Set font size
* @param {?} fontSize string
* @return {?}
*/
setFontSize(fontSize) {
this.doc.execCommand('fontSize', false, fontSize);
}
/**
* Create raw HTML
* @param {?} html HTML string
* @return {?}
*/
insertHtml(html) {
/** @type {?} */
const isHTMLInserted = this.doc.execCommand('insertHTML', false, html);
if (!isHTMLInserted) {
throw new Error('Unable to perform the operation');
}
}
/**
* restore selection when the editor is focused in
*
* saved selection when the editor is focused out
* @return {?}
*/
restoreSelection() {
if (this.savedSelection) {
if (this.doc.getSelection) {
/** @type {?} */
const sel = this.doc.getSelection();
sel.removeAllRanges();
sel.addRange(this.savedSelection);
return true;
}
else if (this.doc.getSelection /*&& this.savedSelection.select*/) {
// this.savedSelection.select();
return true;
}
}
else {
return false;
}
}
/**
* setTimeout used for execute 'saveSelection' method in next event loop iteration
* @param {?} callbackFn
* @param {?=} timeout
* @return {?}
*/
executeInNextQueueIteration(callbackFn, timeout = 1e2) {
setTimeout(callbackFn, timeout);
}
/**
* check any selection is made or not
* @private
* @return {?}
*/
checkSelection() {
/** @type {?} */
const selectedText = this.savedSelection.toString();
if (selectedText.length === 0) {
throw new Error('No Selection Made');
}
return true;
}
/**
* Upload file to uploadUrl
* @param {?} file The file
* @return {?}
*/
uploadImage(file) {
/** @type {?} */
const uploadData = new FormData();
uploadData.append('file', file, file.name);
return this.http.post(this.uploadUrl, uploadData, {
reportProgress: true,
observe: 'events',
withCredentials: this.uploadWithCredentials,
});
}
/**
* Insert image with Url
* @param {?} imageUrl The imageUrl.
* @return {?}
*/
insertImage(imageUrl) {
this.doc.execCommand('insertImage', false, imageUrl);
}
/**
* @param {?} separator
* @return {?}
*/
setDefaultParagraphSeparator(separator) {
this.doc.execCommand('defaultParagraphSeparator', false, separator);
}
/**
* @param {?} customClass
* @return {?}
*/
createCustomClass(customClass) {
/** @type {?} */
let newTag = this.selectedText;
if (customClass) {
/** @type {?} */
const tagName = customClass.tag ? customClass.tag : 'span';
newTag = '<' + tagName + ' class="' + customClass.class + '">' + this.selectedText + '</' + tagName + '>';
}
this.insertHtml(newTag);
}
/**
* @param {?} videoUrl
* @return {?}
*/
insertVideo(videoUrl) {
if (videoUrl.match('www.youtube.com')) {
this.insertYouTubeVideoTag(videoUrl);
}
if (videoUrl.match('vimeo.com')) {
this.insertVimeoVideoTag(videoUrl);
}
}
/**
* @private
* @param {?} videoUrl
* @return {?}
*/
insertYouTubeVideoTag(videoUrl) {
/** @type {?} */
const id = videoUrl.split('v=')[1];
/** @type {?} */
const imageUrl = `https://img.youtube.com/vi/${id}/0.jpg`;
/** @type {?} */
const thumbnail = `
<div style='position: relative'>
<img style='position: absolute; left:200px; top:140px'
src="https://img.icons8.com/color/96/000000/youtube-play.png"/>
<a href='${videoUrl}' target='_blank'>
<img src="${imageUrl}" alt="click to watch"/>
</a>
</div>`;
this.insertHtml(thumbnail);
}
/**
* @private
* @param {?} videoUrl
* @return {?}
*/
insertVimeoVideoTag(videoUrl) {
/** @type {?} */
const sub = this.http.get(`https://vimeo.com/api/oembed.json?url=${videoUrl}`).subscribe((/**
* {?} data
* {?}
*/
data => {
/** @type {?} */
const imageUrl = data.thumbnail_url_with_play_button;
/** @type {?} */
const thumbnail = `<div>
<a href='${videoUrl}' target='_blank'>
<img src="${imageUrl}" alt="${data.title}"/>
</a>
</div>`;
this.insertHtml(thumbnail);
sub.unsubscribe();
}));
}
/**
* @param {?} node
* @return {?}
*/
nextNode(node) {
if (node.hasChildNodes()) {
return node.firstChild;
}
else {
while (node && !node.nextSibling) {
node = node.parentNode;
}
if (!node) {
return null;
}
return node.nextSibling;
}
}
/**
* @param {?} range
* @param {?} includePartiallySelectedContainers
* @return {?}
*/
getRangeSelectedNodes(range, includePartiallySelectedContainers) {
/** @type {?} */
let node = range.startContainer;
/** @type {?} */
const endNode = range.endContainer;
/** @type {?} */
let rangeNodes = [];
// Special case for a range that is contained within a single node
if (node === endNode) {
rangeNodes = [node];
}
else {
// Iterate nodes until we hit the end container
while (node && node !== endNode) {
rangeNodes.push(node = this.nextNode(node));
}
// Add partially selected nodes at the start of the range
node = range.startContainer;
while (node && node !== range.commonAncestorContainer) {
rangeNodes.unshift(node);
node = node.parentNode;
}
}
// Add ancestors of the range container, if required
if (includePartiallySelectedContainers) {
node = range.commonAncestorContainer;
while (node) {
rangeNodes.push(node);
node = node.parentNode;
}
}
return rangeNodes;
}
/**
* @return {?}
*/
getSelectedNodes() {
/** @type {?} */
const nodes = [];
if (this.doc.getSelection) {
/** @type {?} */
const sel = this.doc.getSelection();
for (let i = 0, len = sel.rangeCount; i < len; ++i) {
nodes.push.apply(nodes, this.getRangeSelectedNodes(sel.getRangeAt(i), true));
}
}
return nodes;
}
/**
* @param {?} el
* @return {?}
*/
replaceWithOwnChildren(el) {
/** @type {?} */
const parent = el.parentNode;
while (el.hasChildNodes()) {
parent.insertBefore(el.firstChild, el);
}
parent.removeChild(el);
}
/**
* @param {?} tagNames
* @return {?}
*/
removeSelectedElements(tagNames) {
/** @type {?} */
const tagNamesArray = tagNames.toLowerCase().split(',');
this.getSelectedNodes().forEach((/**
* @param {?} node
* @return {?}
*/
(node) => {
if (node.nodeType === 1 &&
tagNamesArray.indexOf(node.tagName.toLowerCase()) > -1) {
// Remove the node and replace it with its children
this.replaceWithOwnChildren(node);
}
}));
}
}
AngularEditorService.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
/** @nocollapse */
AngularEditorService.ctorParameters = () => [
{ type: HttpClient },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
/** @nocollapse */ AngularEditorService.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function AngularEditorService_Factory() { return new AngularEditorService(i0.ɵɵinject(i1.HttpClient), i0.ɵɵinject(i2.DOCUMENT)); }, token: AngularEditorService, providedIn: "root" });
if (false) {
/** @type {?} */
AngularEditorService.prototype.savedSelection;
/** @type {?} */
AngularEditorService.prototype.selectedText;
/** @type {?} */
AngularEditorService.prototype.uploadUrl;
/** @type {?} */
AngularEditorService.prototype.uploadWithCredentials;
/**
* save selection when the editor is focussed out
* @type {?}
*/
AngularEditorService.prototype.saveSelection;
/**
* @type {?}
* @private
*/
AngularEditorService.prototype.http;
/**
* @type {?}
* @private
*/
AngularEditorService.prototype.doc;
}
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}\n\n  /**\n   * Create URL link\n   * @param url string from UI prompt\n   */\n  createLink(url: string) {\n    if (!url.includes('http')) {\n      this.doc.execCommand('createlink', false, url);\n    } else {\n      const newUrl = '<a href=\"' + url + '\" target=\"_blank\">' + this.selectedText + '</a>';\n      this.insertHtml(newUrl);\n    }\n  }\n\n  /**\n   * insert color either font or background\n   *\n   * @param color color to be inserted\n   * @param where where the color has to be inserted either text/background\n   */\n  insertColor(color: string, where: string): void {\n    const restored = this.restoreSelection();\n    if (restored) {\n      if (where === 'textColor') {\n        this.doc.execCommand('foreColor', false, color);\n      } else {\n        this.doc.execCommand('hiliteColor', false, color);\n      }\n    }\n  }\n\n  /**\n   * Set font name\n   * @param fontName string\n   */\n  setFontName(fontName: string) {\n    this.doc.execCommand('fontName', false, fontName);\n  }\n\n  /**\n   * Set font size\n   * @param fontSize string\n   */\n  setFontSize(fontSize: string) {\n    this.doc.execCommand('fontSize', false, fontSize);\n  }\n\n  /**\n   * Create raw HTML\n   * @param html HTML string\n   */\n  insertHtml(html: string): void {\n\n    const isHTMLInserted = this.doc.execCommand('insertHTML', false, html);\n\n    if (!isHTMLInserted) {\n      throw new Error('Unable to perform the operation');\n    }\n  }\n\n  /**\n   * save selection when the editor is focussed out\n   */\n  public saveSelection = (): void => {\n    if (this.doc.getSelection) {\n      const sel = this.doc.getSelection();\n      if (sel.getRangeAt && sel.rangeCount) {\n        this.savedSelection = sel.getRangeAt(0);\n        this.selectedText = sel.toString();\n      }\n    } else if (this.doc.getSelection && this.doc.createRange) {\n      this.savedSelection = document.createRange();\n    } else {\n      this.savedSelection = null;\n    }\n  }\n\n  /**\n   * restore selection when the editor is focused in\n   *\n   * saved selection when the editor is focused out\n   */\n  restoreSelection(): boolean {\n    if (this.savedSelection) {\n      if (this.doc.getSelection) {\n        const sel = this.doc.getSelection();\n        sel.removeAllRanges();\n        sel.addRange(this.savedSelection);\n        return true;\n      } else if (this.doc.getSelection /*&& this.savedSelection.select*/) {\n        // this.savedSelection.select();\n        return true;\n      }\n    } else {\n      return false;\n    }\n  }\n\n  /**\n   * setTimeout used for execute 'saveSelection' method in next event loop iteration\n   */\n  public executeInNextQueueIteration(callbackFn: (...args: any[]) => any, timeout = 1e2): void {\n    setTimeout(callbackFn, timeout);\n  }\n\n  /** check any selection is made or not */\n  private checkSelection(): any {\n\n    const selectedText = this.savedSelection.toString();\n\n    if (selectedText.length === 0) {\n      throw new Error('No Selection Made');\n    }\n    return true;\n  }\n\n  /**\n   * Upload file to uploadUrl\n   * @param file The file\n   */\n  uploadImage(file: File): Observable<HttpEvent<UploadResponse>> {\n\n    const uploadData: FormData = new FormData();\n\n    uploadData.append('file', file, file.name);\n\n    return this.http.post<UploadResponse>(this.uploadUrl, uploadData, {\n      reportProgress: true,\n      observe: 'events',\n      withCredentials: this.uploadWithCredentials,\n    });\n  }\n\n  /**\n   * Insert image with Url\n   * @param imageUrl The imageUrl.\n   */\n  insertImage(imageUrl: string) {\n    this.doc.execCommand('insertImage', false, imageUrl);\n  }\n\n  setDefaultParagraphSeparator(separator: string) {\n    this.doc.execCommand('defaultParagraphSeparator', false, separator);\n  }\n\n  createCustomClass(customClass: CustomClass) {\n    let newTag = this.selectedText;\n    if (customClass) {\n      const tagName = customClass.tag ? customClass.tag : 'span';\n      newTag = '<' + tagName + ' class=\"' + customClass.class + '\">' + this.selectedText + '</' + tagName + '>';\n    }\n    this.insertHtml(newTag);\n  }\n\n  insertVideo(videoUrl: string) {\n    if (videoUrl.match('www.youtube.com')) {\n      this.insertYouTubeVideoTag(videoUrl);\n    }\n    if (videoUrl.match('vimeo.com')) {\n      this.insertVimeoVideoTag(videoUrl);\n    }\n  }\n\n  private insertYouTubeVideoTag(videoUrl: string): void {\n    const id = videoUrl.split('v=')[1];\n    const imageUrl = `https://img.youtube.com/vi/${id}/0.jpg`;\n    const thumbnail = `\n      <div style='position: relative'>\n        <img style='position: absolute; left:200px; top:140px'\n             src=\"https://img.icons8.com/color/96/000000/youtube-play.png\"/>\n        <a href='${videoUrl}' target='_blank'>\n          <img src=\"${imageUrl}\" alt=\"click to watch\"/>\n        </a>\n      </div>`;\n    this.insertHtml(thumbnail);\n  }\n\n  private insertVimeoVideoTag(videoUrl: string): void {\n    const sub = 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