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/**
* JavaScript code for the keyboard shortcuts integration on the "Edit" screen.
*
* @package TablePress
* @subpackage Views JavaScript
* @author Tobias Bäthge
* @since 3.0.0
*/
/* globals tp */
/**
* Internal dependencies.
*/
import { $ } from '../common/functions';
/**
* Registers keyboard events and triggers corresponding actions by emulating button clicks.
*
* @param {Event} event Keyboard event.
*/
const handleKeyboardShortcuts = ( event ) => {
let action = '';
let move_direction = '';
let move_type = '';
if ( event.ctrlKey || event.metaKey ) {
if ( 80 === event.keyCode ) {
// Preview: Ctrl/Cmd + P.
action = 'preview';
} else if ( 83 === event.keyCode ) {
// Save Changes: Ctrl/Cmd + S.
action = 'save-changes';
} else if ( 76 === event.keyCode ) {
// Insert Link: Ctrl/Cmd + L.
action = 'insert_link';
} else if ( 73 === event.keyCode ) {
// Insert Image: Ctrl/Cmd + I.
action = 'insert_image';
} else if ( 69 === event.keyCode ) {
// Advanced Editor: Ctrl/Cmd + E.
action = 'advanced_editor';
} else if ( event.shiftKey && event.altKey && 38 === event.keyCode ) {
// Move up: Ctrl/Cmd + Alt/Option + Shift + ↑.
action = 'move';
move_direction = 'top';
move_type = 'rows';
} else if ( event.shiftKey && event.altKey && 40 === event.keyCode ) {
// Move down: Ctrl/Cmd + Alt/Option + Shift + ↓.
action = 'move';
move_direction = 'bottom';
move_type = 'rows';
} else if ( event.shiftKey && event.altKey && 37 === event.keyCode ) {
// Move left: Ctrl/Cmd + Alt/Option + Shift + ←.
action = 'move';
move_direction = 'first';
move_type = 'columns';
} else if ( event.shiftKey && event.altKey && 39 === event.keyCode ) {
// Move r: Ctrl/Cmd + Alt/Option + Shift + →.
action = 'move';
move_direction = 'last';
move_type = 'columns';
} else if ( event.shiftKey && 38 === event.keyCode ) {
// Move up: Ctrl/Cmd + Shift + ↑.
action = 'move';
move_direction = 'up';
move_type = 'rows';
} else if ( event.shiftKey && 40 === event.keyCode ) {
// Move down: Ctrl/Cmd + Shift + ↓.
action = 'move';
move_direction = 'down';
move_type = 'rows';
} else if ( event.shiftKey && 37 === event.keyCode ) {
// Move left: Ctrl/Cmd + Shift + ←.
action = 'move';
move_direction = 'left';
move_type = 'columns';
} else if ( event.shiftKey && 39 === event.keyCode ) {
// Move r: Ctrl/Cmd + Shift + →.
action = 'move';
move_direction = 'right';
move_type = 'columns';
}
}
if ( 'save-changes' === action || 'preview' === action ) {
// Blur the focussed element to make sure that all change events were triggered.
document.activeElement.blur(); // eslint-disable-line @wordpress/no-global-active-element
/*
* Emulate a click on the button corresponding to the action.
* This way, things like notices will be shown, compared to directly calling the buttons' callbacks.
*/
document.querySelector( `#tablepress-tablepress_edit-buttons-2-section .button-${ action }` ).click();
// Prevent the browser's native handling of the shortcut, i.e. showing the Save or Print dialogs.
event.preventDefault();
} else if ( 'insert_link' === action || 'insert_image' === action || 'advanced_editor' === action ) {
// Only open the dialogs if an element in the table editor is focussed, to e.g. prevent multiple dialogs to be opened.
if ( $( '#table-editor' ).contains( document.activeElement ) ) { // eslint-disable-line @wordpress/no-global-active-element
const $active_textarea = ( 'TEXTAREA' === document.activeElement.tagName ) ? document.activeElement : null; // eslint-disable-line @wordpress/no-global-active-element
// Open the "Insert Link", "Insert Image", or Advanced Editor" dialog.
tp.callbacks[ action ].open_dialog( $active_textarea );
}
// Prevent the browser's native handling of the shortcut.
event.preventDefault();
} else if ( 'move' === action ) {
// Only move rows or columns if an element in the table editor is focussed, but not if the cell is being edited (to not prevent the browser's original shortcuts).
if ( $( '#table-editor' ).contains( document.activeElement ) && 'TEXTAREA' !== document.activeElement.tagName ) { // eslint-disable-line @wordpress/no-global-active-element
// Move the selected rows or columns.
if ( tp.helpers.move_allowed( move_type, move_direction ) ) {
tp.callbacks.move( move_direction, move_type );
}
}
// Stop the event propagation so that Jspreadsheet doesn't understand the arrow key as movement of the cursor, and prevent the browser's native handling of the shortcut.
event.stopImmediatePropagation();
}
};
// Register keyboard shortcut handler.
window.addEventListener( 'keydown', handleKeyboardShortcuts, true );