mirror of
https://github.com/codex-team/editor.js
synced 2024-06-02 05:52:38 +02:00
539 lines
15 KiB
JavaScript
539 lines
15 KiB
JavaScript
/**
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* Some UI experiments for CodeX Editor
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* @author Savchenko Peter (vk.com/specc)
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*/
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/*
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* TODO
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* выделение нескольких блоков и нажатие энтера - вместо замены новой стро
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*
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* */
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var ce = function(settings) {
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this.resultTextarea = document.getElementById("codex_editor");
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if (typeof this.resultTextarea == undefined || this.resultTextarea == null ){
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console.warn('Textarea not found with ID %o', this.textareaId);
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return this;
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}
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/* Prepare settings */
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if ("undefined" == typeof settings) settings = this.defaultSettings;
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else {
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// todo just merge settings with defaults
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}
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settings.tools = settings.tools || this.allTools;
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this.settings = settings;
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/** Making a wrapper and interface */
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this.makeInterface();
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/** Bind all events */
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this.bindEvents();
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};
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// All posible tools
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ce.prototype.allTools = ['header', 'picture', 'list', 'quote', 'code', 'twitter', 'instagram', 'smile'];
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// Default settings configuration
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ce.prototype.defaultSettings = {
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};
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// Add this class when open tool bar for css animation
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ce.prototype.BUTTONS_TOGGLED_CLASSNANE = 'buttons_toggled';
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// Default tool bar is closed
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ce.prototype.toolbarOpened = false;
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// Key event constants
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ce.prototype.key = { TAB: 9, ENTER: 13, BACKSPACE: 8, DELETE: 46, SPACE: 32, ESC: 27, CTRL: 17, META: 91, SHIFT: 16, ALT: 18, LEFT: 37, UP: 38, DOWN: 40, RIGHT: 39 };
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/**
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* Editor interface drawing
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* calls one time in editor constructor
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*/
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ce.prototype.makeInterface = function () {
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var wrapper = this.make.editorWrapper(),
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firstNode = this.make.textNode('Lorem ipsum dolor sit amet, consectetur adipisicing elit. Porro quia nihil repellendus aut cupiditate reprehenderit sapiente magnam nobis doloremque eaque! Sint nobis assumenda nisi ducimus minima illo tenetur, cumque facilis.' ),
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toolbar = this.make.toolbar(),
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editableWrapper;
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this.wrapper = wrapper;
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this.editableWrapper = editableWrapper = wrapper.getElementsByClassName("ce_content")[0];
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this.toolbar = toolbar;
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this.toolbarButtons = this.make.toolbarButtons(this.allTools, this.settings.tools);
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toolbar.appendChild(this.toolbarButtons);
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/** Add first node and tool bar*/
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editableWrapper.appendChild(firstNode);
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wrapper.appendChild(toolbar);
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/** Insert Editor after initial textarea. Hide textarea */
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this.resultTextarea.parentNode.insertBefore(wrapper, this.resultTextarea.nextSibling);
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this.resultTextarea.hidden = true;
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this.focusNode(firstNode);
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};
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/**
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* All events binds in one place
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*/
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ce.prototype.bindEvents = function () {
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var _this = this,
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selectedNodeClass = "selected";
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/** All keydowns on Window */
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document.addEventListener('keydown', function (event) {
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_this.globalKeydownCallback(event);
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}, false );
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/** All blur on Window */
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document.addEventListener('mouseover', function (event) {
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// check if currently focused in contenteditable element
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//if ("BODY" == event.target.tagName) return;
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//event.target.classList.add(selectedNodeClass)
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var sender = event.target
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if (sender.classList.contains("node") && !_this.toolbar.isOpened) {
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console.log("hover", sender);
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var toolbar = _this.toolbar;
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toolbar.style.top = sender.offsetTop + "px";
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// repair buttons animation - just add css class async
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//setTimeout(function () {
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toolbar.classList.add("show");
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//});
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}
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}, false );
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/** All blur on Window */
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document.addEventListener('mouseout', function (event) {
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// check if currently focused in contenteditable element
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//if ("BODY" == event.target.tagName) return;
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//event.target.classList.add(selectedNodeClass)
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var sender = event.target
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//
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//var sel = window.getSelection();
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//var curSelectedNode = sel.anchorNode.tagName ? sel.anchorNode : sel.focusNode.parentElement;
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if (!_this.toolbar.isOpened) {
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//if (sender.classList.contains("node")) {
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//debugger
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//if (!curSelectedNode.isEqualNode(sender) && !_this.toolbarButtons.isEqualNode(sender)) {
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//debugger
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console.log("mouseout", sender);
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var toolbar = _this.toolbar;
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//
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//
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//toolbar.style.top = sender.offsetTop + "px";
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// repair buttons animation - just add css class async
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//setTimeout(function () {
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toolbar.classList.remove("show");
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//toolbar.classList.remove(_this.BUTTONS_TOGGLED_CLASSNANE);
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//if (_this.focusedToolbarBtn) {
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// //console.log("has focused btn", _this.focusedToolbarBtn)
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//
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// _this.focusedToolbarBtn.classList.remove("focused")
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// _this.focusedToolbarBtn = false;
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//
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// event.preventDefault();
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// return
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//}
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//});
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}
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}, false );
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};
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/**
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* Sets focus to node conteneditable child
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* todo depending on node type
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*/
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ce.prototype.focusNode = function (node) {
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//debugger
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//if (node.classList.contains('ce_node_content')) node.focus();
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//else {
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// var contentEditable = node.getElementsByClassName('ce_node_content');
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// contentEditable.length && contentEditable[0].focus();
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//}
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node.focus();
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if (typeof window.getSelection != "undefined" && typeof document.createRange != "undefined") {
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var range = document.createRange();
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range.selectNodeContents(node);
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range.collapse(false);
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var sel = window.getSelection();
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sel.removeAllRanges();
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sel.addRange(range);
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} else if (typeof document.body.createTextRange != "undefined") {
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var textRange = document.body.createTextRange();
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textRange.moveToElementText(node);
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textRange.collapse(false);
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textRange.select();
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}
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};
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/**
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* All window keydowns handles here
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*/
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ce.prototype.globalKeydownCallback = function (event) {
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console.log("keydown", event);
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var _this = this;
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// TODO process key navigation on toolBar then its opened
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if (this.toolbar.isOpened) {
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if (event.which == this.key.LEFT || event.which == this.key.UP || event.which == this.key.DOWN || event.which == this.key.RIGHT) {
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this.moveToolBarButtonFocus(event.which == this.key.LEFT || event.which == this.key.UP )
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event.preventDefault();
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//return
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} else if (event.which == this.key.ENTER) {
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// TODO process seleceted toolBtn
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//insert new node or change type of current?
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//and close toolbar
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//debugger
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var btnType = this.focusedToolbarBtn.dataset["type"];
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switch (btnType){
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case "header":
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// TODO insertHeader()
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// TODO make.HeaderNode()
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var header = document.createElement("h2");
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header.classList.add("node");
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header.dataset["type"] = "header";
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var curNode = this.getFocusedNode();
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header.textContent = curNode.textContent;
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curNode.textContent = "";
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// insert before, if curNode is paragraph or header or some other text-editable node
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if (curNode.dataset["type"] == "text")
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curNode.parentNode.insertBefore(header, curNode);
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// else insert header node after
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else
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curNode.parentNode.insertBefore(header, curNode.nextSibling);
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this.focusNode(header);
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break;
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}
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// TODO closeToolar()
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var toolbar = this.toolbar;
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toolbar.isOpened = false;
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this.focusedToolbarBtn.classList.remove("focused");
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this.focusedToolbarBtn = false;
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// repair buttons animation - just add css class async
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setTimeout(function () {
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toolbar.classList.remove("show");
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toolbar.classList.remove(_this.BUTTONS_TOGGLED_CLASSNANE);
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});
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// TODO do the same by mouse clicking on any toolbar btn
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event.preventDefault();
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return
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} else if (event.which != this.key.TAB && event.which != this.key.SHIFT) {
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var toolbar = this.toolbar;
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toolbar.isOpened = false;
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this.focusedToolbarBtn.classList.remove("focused");
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this.focusedToolbarBtn = false;
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// repair buttons animation - just add css class async
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setTimeout(function () {
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toolbar.classList.remove("show");
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toolbar.classList.remove(_this.BUTTONS_TOGGLED_CLASSNANE);
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});
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//event.preventDefault();
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//return
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}
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}
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if (event.which == this.key.TAB)
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this.tabKeyPressed(event)
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//
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switch (event.keyCode){
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//case this.key.TAB : this.tabKeyPressed(event); break; // TAB
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case this.key.ENTER : this.enterKeyPressed.call(_this, event); break; // Enter
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}
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};
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/**
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* Returns node which is currently focused
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*/
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ce.prototype.getFocusedNode = function(focusPrev){
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var sel = window.getSelection();
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return sel.anchorNode.tagName ? sel.anchorNode : sel.focusNode.parentElement;
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}
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/**
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*
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*/
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ce.prototype.tabKeyPressed = function(event) {
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// check if currently focused in contenteditable element
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if ("BODY" == event.target.tagName) return;
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var _this = this;
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var toolbar = this.toolbar;
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if (!toolbar.isOpened) {
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var sel = window.getSelection();
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var curNode = sel.anchorNode.tagName ? sel.anchorNode : sel.focusNode.parentElement;
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toolbar.style.top = curNode.offsetTop + "px";
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if (!toolbar.classList.contains(_this.BUTTONS_TOGGLED_CLASSNANE)) {
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// repair buttons animation - just add css class async
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setTimeout(function () {
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toolbar.classList.add(_this.BUTTONS_TOGGLED_CLASSNANE)
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toolbar.isOpened = true;
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});
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}
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}
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//
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this.moveToolBarButtonFocus(event.shiftKey);
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event.preventDefault();
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};
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/*
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*
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* */
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ce.prototype.moveToolBarButtonFocus = function(focusPrev){
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var allButtons = this.toolbarButtons;
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var focusedQuery = allButtons.getElementsByClassName("focused");//[0] || allButtons.firstChild;
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var focused;
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//debugger
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console.log("focusing", focusedQuery)
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if (focusedQuery.length > 0) {
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focused = focusedQuery[0]
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focused.classList.remove("focused")
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if (focusPrev) focused = focused.previousSibling;
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else focused = focused.nextSibling;
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if (!focused) {
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if (focusPrev) focused = allButtons.lastChild;
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else focused = allButtons.firstChild;
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}
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focused.classList.add("focused")
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} else {
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focused = allButtons.firstChild;
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focused.classList.add("focused")
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}
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this.focusedToolbarBtn = focused;
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//return !!focused;
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}
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/**
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* Handle Enter key. Adds new Node;
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*/
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ce.prototype.enterKeyPressed = function(event) {
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var _this = this;
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if (this.toolbar.isOpened) {
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console.log("has focused btn", this.focusedToolbarBtn)
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event.preventDefault();
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return
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}
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//if (event.shiftKey){
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// document.execCommand('insertHTML', false, '<br><br>');
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//} else {
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var sel = window.getSelection();
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var curNode = this.getFocusedNode();
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if (curNode.dataset["type"] == "header") {
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var newNode = this.make.textNode();
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/** Add node */
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this.editableWrapper.insertBefore(newNode, curNode.nextSibling);
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/** Set auto focus */
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setTimeout(function () {
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_this.focusNode(newNode);
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});
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event.preventDefault();
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return;
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}
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//}
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//event.preventDefault();
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};
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/**
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* Creates HTML elements
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*/
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ce.prototype.make = function () {
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/** Empty toolbar with toggler */
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function toolbar () {
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var bar = document.createElement('div');
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bar.className += 'add_buttons';
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/** Toggler button*/
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bar.innerHTML = '<span class="toggler">' +
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'<i class="plus_btn ce_icon-plus-circled-1"></i>'+
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'</span>';
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return bar;
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}
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// Creates one button with given type
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function toolbarButton (type) {
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var button = document.createElement('button');
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button.dataset.type = type;
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button.innerHTML = '<i class="ce_icon-' + type + '"></i>';
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return button;
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}
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// Creates all tool bar buttons from editor settings
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// allTools, usedTools - needs becose cant get them from editor object - bad context
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function toolbarButtons (allTools, usedTools) {
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var toolbarButtons = document.createElement("span");
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toolbarButtons.classList.add("buttons");
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// Walk base buttons list - save buttons origin sorting
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allTools.forEach(function(item) {
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if (usedTools.indexOf(item) >= 0) toolbarButtons.appendChild( this.toolbarButton(item) );
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}, this);
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return toolbarButtons;
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}
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/**
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* Paragraph node
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* @todo set unique id with prefix
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*/
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function textNode (content){
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var node = document.createElement('p');
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//node.setAttribute("tabindex", 0);
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node.classList.add("node");
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node.dataset["type"] = "text";
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node.innerHTML = content || '';
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return node;
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}
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function editorWrapper () {
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var wrapper = document.createElement('div'),
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editable_wrapper = document.createElement('div');
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editable_wrapper.className += 'ce_content';
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editable_wrapper.setAttribute("contenteditable", "true");
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wrapper.className += 'codex_editor';
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wrapper.appendChild(editable_wrapper);
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return wrapper;
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}
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var ceMake = function () {
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this.toolbar = toolbar;
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this.toolbarButtons = toolbarButtons;
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this.toolbarButton = toolbarButton;
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this.textNode = textNode;
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this.editorWrapper = editorWrapper;
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};
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return new ceMake();
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}();
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/**
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* Polyfilling ECMAScript 6 method String.includes
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* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes#Browser_compatibility
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*/
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if ( !String.prototype.includes ) {
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String.prototype.includes = function() {
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'use strict';
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return String.prototype.indexOf.apply(this, arguments) !== -1;
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};
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} |