mirror of
https://github.com/codex-team/editor.js
synced 2024-05-06 00:23:23 +02:00
402 lines
10 KiB
TypeScript
402 lines
10 KiB
TypeScript
import Module from '../../__module';
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import $ from '../../dom';
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import _ from '../../utils';
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import {BlockToolConstructable, ToolboxConfig} from '../../../../types';
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/**
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* @class Toolbox
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* @classdesc Holder for Tools
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*
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* @typedef {Toolbox} Toolbox
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* @property {Boolean} opened - opening state
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* @property {Object} nodes - Toolbox nodes
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* @property {Object} CSS - CSS class names
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*
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*/
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export default class Toolbox extends Module {
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/**
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* CSS styles
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* @return {{toolbox: string, toolboxButton string, toolboxButtonActive: string,
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* toolboxOpened: string, tooltip: string, tooltipShown: string, tooltipShortcut: string}}
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*/
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get CSS() {
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return {
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toolbox: 'ce-toolbox',
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toolboxButton: 'ce-toolbox__button',
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toolboxButtonActive : 'ce-toolbox__button--active',
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toolboxOpened: 'ce-toolbox--opened',
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tooltip: 'ce-toolbox__tooltip',
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tooltipShown: 'ce-toolbox__tooltip--shown',
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tooltipShortcut: 'ce-toolbox__tooltip-shortcut',
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openedToolbarHolderModifier: 'codex-editor--toolbox-opened',
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};
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}
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/**
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* get tool name when it is selected
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* In case when nothing selected returns null
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*
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* @return {String|null}
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*/
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public get getActiveTool(): string {
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const childNodes = this.nodes.toolbox.childNodes;
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if (this.activeButtonIndex === -1) {
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return null;
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}
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return (childNodes[this.activeButtonIndex] as HTMLElement).dataset.tool;
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}
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/**
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* Returns True if Toolbox is Empty and nothing to show
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* @return {boolean}
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*/
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public get isEmpty(): boolean {
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return this.displayedToolsCount === 0;
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}
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private static LEAF_DIRECTIONS = {
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RIGHT: 'right',
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LEFT: 'left',
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};
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/**
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* Opening state
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* @type {boolean}
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*/
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public opened: boolean = false;
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/**
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* HTMLElements used for Toolbox UI
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*/
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public nodes: {
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toolbox: HTMLElement,
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tooltip: HTMLElement,
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buttons: HTMLElement[],
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} = {
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toolbox: null,
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tooltip: null,
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buttons: [],
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};
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/**
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* Active button index
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* -1 equals no chosen Tool
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* @type {number}
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*/
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private activeButtonIndex: number = -1;
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/**
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* How many tools displayed in Toolbox
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* @type {number}
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*/
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private displayedToolsCount: number = 0;
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/**
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* Makes the Toolbox
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*/
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public make(): void {
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this.nodes.toolbox = $.make('div', this.CSS.toolbox);
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$.append(this.Editor.Toolbar.nodes.content, this.nodes.toolbox);
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this.addTools();
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this.addTooltip();
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}
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/**
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* Toolbox Tool's button click handler
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*
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* @param {MouseEvent|KeyboardEvent} event
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* @param {string} toolName
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*/
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public toolButtonActivate(event: MouseEvent|KeyboardEvent, toolName: string): void {
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const tool = this.Editor.Tools.toolsClasses[toolName] as BlockToolConstructable;
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this.insertNewBlock(tool, toolName);
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}
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/**
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* Open Toolbox with Tools
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*/
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public open(): void {
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if (this.isEmpty) {
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return;
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}
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this.Editor.UI.nodes.wrapper.classList.add(this.CSS.openedToolbarHolderModifier);
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this.nodes.toolbox.classList.add(this.CSS.toolboxOpened);
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this.opened = true;
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}
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/**
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* Close Toolbox
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*/
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public close(): void {
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this.hideTooltip();
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this.nodes.toolbox.classList.remove(this.CSS.toolboxOpened);
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this.Editor.UI.nodes.wrapper.classList.remove(this.CSS.openedToolbarHolderModifier);
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this.opened = false;
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/**
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* Remove active item pointer
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*/
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if (this.activeButtonIndex !== -1) {
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(this.nodes.toolbox.childNodes[this.activeButtonIndex] as HTMLElement)
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.classList.remove(this.CSS.toolboxButtonActive);
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this.activeButtonIndex = -1;
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}
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}
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/**
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* Close Toolbox
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*/
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public toggle(): void {
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if (!this.opened) {
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this.open();
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} else {
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this.close();
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}
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}
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/**
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* Leaf
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* flip through the toolbox items
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* @param {String} direction - leaf direction, right is default
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*/
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public leaf(direction: string = Toolbox.LEAF_DIRECTIONS.RIGHT): void {
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const childNodes = (Array.from(this.nodes.toolbox.childNodes) as HTMLElement[]);
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this.activeButtonIndex = $.leafNodesAndReturnIndex(
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childNodes, this.activeButtonIndex, direction, this.CSS.toolboxButtonActive,
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);
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}
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/**
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* Hide toolbox tooltip
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*/
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public hideTooltip(): void {
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this.nodes.tooltip.classList.remove(this.CSS.tooltipShown);
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}
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/**
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* Iterates available tools and appends them to the Toolbox
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*/
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private addTools(): void {
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const tools = this.Editor.Tools.available;
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for (const toolName in tools) {
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if (tools.hasOwnProperty(toolName)) {
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this.addTool(toolName, tools[toolName] as BlockToolConstructable);
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}
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}
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}
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/**
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* Append Tool to the Toolbox
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*
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* @param {string} toolName - tool name
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* @param {BlockToolConstructable} tool - tool class
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*/
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private addTool(toolName: string, tool: BlockToolConstructable): void {
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const api = this.Editor.Tools.apiSettings;
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const toolToolboxSettings = tool[api.TOOLBOX];
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/**
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* Skip tools that don't pass 'toolbox' property
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*/
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if (_.isEmpty(toolToolboxSettings)) {
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return;
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}
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if (toolToolboxSettings && !toolToolboxSettings.icon) {
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_.log('Toolbar icon is missed. Tool %o skipped', 'warn', toolName);
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return;
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}
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/**
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* @todo Add checkup for the render method
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*/
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// if (typeof tool.render !== 'function') {
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// _.log('render method missed. Tool %o skipped', 'warn', tool);
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// return;
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// }
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const {toolbox: userToolboxSettings = {} as ToolboxConfig} = this.Editor.Tools.getToolSettings(toolName);
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const button = $.make('li', [ this.CSS.toolboxButton ]);
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button.dataset.tool = toolName;
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button.innerHTML = userToolboxSettings.icon || toolToolboxSettings.icon;
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$.append(this.nodes.toolbox, button);
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this.nodes.toolbox.appendChild(button);
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this.nodes.buttons.push(button);
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/**
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* Add click listener
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*/
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this.Editor.Listeners.on(button, 'click', (event: KeyboardEvent|MouseEvent) => {
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this.toolButtonActivate(event, toolName);
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});
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/**
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* Add listeners to show/hide toolbox tooltip
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*/
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this.Editor.Listeners.on(button, 'mouseenter', () => {
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this.showTooltip(button, toolName);
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});
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this.Editor.Listeners.on(button, 'mouseleave', () => {
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this.hideTooltip();
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});
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/**
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* Enable shortcut
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*/
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const toolSettings = this.Editor.Tools.getToolSettings(toolName);
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if (toolSettings && toolSettings[this.Editor.Tools.apiSettings.SHORTCUT]) {
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this.enableShortcut(tool, toolName, toolSettings[this.Editor.Tools.apiSettings.SHORTCUT]);
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}
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/** Increment Tools count */
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this.displayedToolsCount++;
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}
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/**
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* Add toolbox tooltip to page
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*/
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private addTooltip(): void {
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this.nodes.tooltip = $.make('div', this.CSS.tooltip, {
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innerHTML: '',
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});
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$.append(this.Editor.Toolbar.nodes.content, this.nodes.tooltip);
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}
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/**
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* Show tooltip for toolbox button
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* @param {HTMLElement} button
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* @param {string} toolName
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*/
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private showTooltip(button: HTMLElement, toolName: string): void {
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const toolSettings = this.Editor.Tools.getToolSettings(toolName);
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const toolboxSettings = this.Editor.Tools.available[toolName][this.Editor.Tools.apiSettings.TOOLBOX] || {};
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const userToolboxSettings = toolSettings.toolbox || {};
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const name = userToolboxSettings.title || toolboxSettings.title || toolName;
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let shortcut = toolSettings[this.Editor.Tools.apiSettings.SHORTCUT];
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const fragment = document.createDocumentFragment();
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const hint = document.createTextNode(_.capitalize(name));
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fragment.appendChild(hint);
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if (shortcut) {
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const OS = _.getUserOS();
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shortcut = shortcut
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.replace(/shift/gi, '⇧')
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.replace(/backspace/gi, '⌫')
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.replace(/enter/gi, '⏎')
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.replace(/up/gi, '↑')
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.replace(/left/gi, '→')
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.replace(/down/gi, '↓')
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.replace(/right/gi, '←')
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.replace(/escape/gi, '⎋')
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.replace(/insert/gi, 'Ins')
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.replace(/delete/gi, '␡')
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.replace(/\+/gi, ' + ');
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if (OS.mac) {
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shortcut = shortcut.replace(/ctrl|cmd/gi, '⌘').replace(/alt/gi, '⌥');
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} else {
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shortcut = shortcut.replace(/cmd/gi, 'Ctrl').replace(/windows/gi, 'WIN');
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}
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fragment.appendChild($.make('div', this.CSS.tooltipShortcut, {
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textContent: shortcut,
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}));
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}
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const leftOffset = 16;
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const coordinate = button.offsetLeft;
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const topOffset = Math.floor(this.Editor.BlockManager.currentBlock.holder.offsetHeight / 2);
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this.nodes.tooltip.innerHTML = '';
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this.nodes.tooltip.appendChild(fragment);
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this.nodes.tooltip.style.left = `${coordinate + leftOffset}px`;
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this.nodes.tooltip.style.transform = `translate3d(-50%, ${topOffset}px, 0)`;
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this.nodes.tooltip.classList.add(this.CSS.tooltipShown);
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}
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/**
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* Enable shortcut Block Tool implemented shortcut
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* @param {BlockToolConstructable} tool - Tool class
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* @param {String} toolName - Tool name
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* @param {String} shortcut - shortcut according to the ShortcutData Module format
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*/
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private enableShortcut(tool: BlockToolConstructable, toolName: string, shortcut: string) {
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this.Editor.Shortcuts.add({
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name: shortcut,
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handler: (event: KeyboardEvent) => {
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event.preventDefault();
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this.insertNewBlock(tool, toolName);
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},
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});
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}
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/**
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* Inserts new block
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* Can be called when button clicked on Toolbox or by ShortcutData
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*
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* @param {BlockToolConstructable} tool - Tool Class
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* @param {String} toolName - Tool name
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*/
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private insertNewBlock(tool: BlockToolConstructable, toolName: string) {
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const {BlockManager, Caret} = this.Editor;
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/**
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* @type {Block}
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*/
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const {currentBlock} = BlockManager;
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let newBlock;
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if (currentBlock.isEmpty) {
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newBlock = BlockManager.replace(toolName);
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} else {
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newBlock = BlockManager.insert(toolName);
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}
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/**
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* Apply callback before inserting html
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*/
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newBlock.call('appendCallback', {});
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this.Editor.Caret.setToBlock(newBlock);
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/** If new block doesn't contain inpus, insert new paragraph above */
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if (newBlock.inputs.length === 0) {
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if (newBlock === BlockManager.lastBlock) {
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BlockManager.insertAtEnd();
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Caret.setToBlock(BlockManager.lastBlock);
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} else {
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Caret.setToBlock(BlockManager.nextBlock);
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}
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}
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/**
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* close toolbar when node is changed
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*/
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this.Editor.Toolbar.close();
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}
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}
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