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@ -15,11 +15,30 @@ class TextEditor extends EventEmitter {
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//--------------------------
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constructor(textEditor, scrollLimit) {
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super();
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//hljs.initHighlightingOnLoad();
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document.getElementById("edit").addEventListener("input", (e) => {
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let result_element = document.querySelector("#highlight-content");
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this.textEditor = textEditor;
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this.fixLimit = scrollLimit;
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this.caretPos = null;
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this.url = "";
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// Update code
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let text = e.target.value;
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result_element.innerHTML = text
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.replace(new RegExp("&", "g"), "&")
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.replace(new RegExp("<", "g"), "<");
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let editorHeight = document.getElementById("highlight").offsetHeight;
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document.getElementById("edit-post-wrapper").style.height =
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editorHeight + "px";
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e.target.style.height = editorHeight + "px";
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// Syntax Highlight
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Prism.highlightElement(result_element);
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});
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document.getElementById("edit").addEventListener("scroll", (e) => {
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/* Scroll result to scroll coords of event - sync with textarea */
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let result_element = document.querySelector("#highlight");
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// Get and set x and y
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result_element.scrollTop = e.scrollTop;
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result_element.scrollLeft = e.scrollLeft;
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});
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document.getElementById("edit").dispatchEvent(new Event("input"));
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this.setInputs();
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window.addEventListener("scroll", () => {
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//var fixLimit = this.fixLimit;
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@ -32,7 +51,7 @@ class TextEditor extends EventEmitter {
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}
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*/
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});
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this.refresh();
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//this.refresh();
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}
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//--------------------------
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// methods
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@ -47,32 +66,6 @@ class TextEditor extends EventEmitter {
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false
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);
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}
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this.textEditor.addEventListener("input", (e) => {
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let htmlTagRe = /<[a-z][\s\S]*>/g;
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let text = this.textEditor.innerText;
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if (e.inputType == "insertParagraph") return; //cursor setting gets weird on return, so just back out
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if (text.search(htmlTagRe) > -1) {
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let caret = position(this.textEditor).pos;
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self.refresh();
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position(this.textEditor, caret);
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}
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});
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}
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refresh() {
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var spiffed = Prism.highlight(
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this.textEditor.innerText,
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Prism.languages.md,
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"md"
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);
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//var spiffed = this.textEditor.innerText;
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spiffed = spiffed.replace(new RegExp("\r?\n", "g"), "<br>");
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var temp = document.createElement("div");
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temp.innerText = spiffed;
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this.textEditor.innerHTML = temp.innerText;
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this.textEditor.style.maxWidth = "900px";
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}
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notify(type, data) {
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switch (type) {
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@ -96,22 +89,16 @@ class TextEditor extends EventEmitter {
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// do nothing
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break;
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case EditorEvent.EDITOR_UPLOAD_POST_IMAGE:
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position(this.textEditor, this.caretPos);
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var sel, range;
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//var pulled;
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sel = window.getSelection(); //console.log(sel)
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//console.log(note.message)
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if (sel.rangeCount) {
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range = sel.getRangeAt(0);
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//pulled = sel.getRangeAt(0).toString();
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range.deleteContents();
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range.insertNode(
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document.createTextNode(
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"![image alt text](" + data + " 'image title')"
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)
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);
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}
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this.refresh();
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let len = this.textEditor.value.length;
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let start = this.textEditor.selectionStart;
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let end = this.textEditor.selectionEnd;
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let insert = "![image alt text](" + data + " 'image title')";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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document.getElementById("edit").dispatchEvent(new Event("input"));
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break;
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}
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}
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@ -120,32 +107,65 @@ class TextEditor extends EventEmitter {
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//--------------------------
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handleEditorOption(e) {
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e.preventDefault();
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var sel, range, pulled;
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sel = window.getSelection(); //console.log(sel)
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if (sel.rangeCount) {
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range = sel.getRangeAt(0);
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pulled = sel.getRangeAt(0).toString();
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range.deleteContents();
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let len = this.textEditor.value.length;
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let start = this.textEditor.selectionStart;
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let end = this.textEditor.selectionEnd;
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let selectedText = this.textEditor.value.substring(start, end);
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let insert = "";
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switch (e.target.id) {
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case "edit-bold":
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range.insertNode(document.createTextNode("**" + pulled + "**"));
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insert = "**" + selectedText + "**";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-italic":
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range.insertNode(document.createTextNode("*" + pulled + "*"));
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insert = "*" + selectedText + "*";
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//console.log(this.textEditor);
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-strikethrough":
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range.insertNode(
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document.createTextNode("<del>" + pulled + "</del>")
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);
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insert = "~~" + selectedText + "~~";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-header1":
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range.insertNode(document.createTextNode("# " + pulled + "\n"));
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insert = "# " + selectedText + "\n";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-header2":
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range.insertNode(document.createTextNode("## " + pulled + "\n"));
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insert = "## " + selectedText + "\n";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-header3":
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range.insertNode(document.createTextNode("### " + pulled + "\n"));
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insert = "### " + selectedText + "\n";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-link":
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let url = prompt("Let's get that url, boss");
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let link = url.toLowerCase();
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insert = "[" + selectedText + "](" + link + ")";
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this.textEditor.value =
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this.textEditor.value.substring(0, start) +
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insert +
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this.textEditor.value.substring(end, len);
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break;
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case "edit-image":
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this.caretPos = position(this.textEditor).pos;
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@ -159,20 +179,14 @@ class TextEditor extends EventEmitter {
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case "edit-update":
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this.emitEvent(EditorEvent.EDITOR_UPDATE);
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break;
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case "edit-link":
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range.insertNode(
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document.createTextNode("[" + pulled + "](PASTE URL HERE)")
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);
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break;
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case "edit-delete":
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this.emitEvent(EditorEvent.EDITOR_DELETE);
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break;
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default:
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//range.insertNode(document.createTextNode("[" + self.url + "](PASTE URL HERE)"));
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//do stuff
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break;
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}
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}
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this.refresh();
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document.getElementById("edit").dispatchEvent(new Event("input"));
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}
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}
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export default TextEditor;
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Ro
3 years ago