svgedit/editor/contextmenu/jQuery.contextMenu.js

268 lines
8.6 KiB
JavaScript
Executable File

/**
* @file jQuery Context Menu Plugin
* Cory S.N. LaViska
* A Beautiful Site ({@link https://abeautifulsite.net/})
* Modified by Alexis Deveria
*
* More info: {@link https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/}
*
* @module jQueryContextMenu
* @todo Update to latest version and adapt (and needs jQuery update as well): {@link https://github.com/swisnl/jQuery-contextMenu}
* @version 1.0.1
*
* @license (MIT OR GPL-2.0-or-later)
*
* This plugin is dual-licensed under the GNU General Public License
* and the MIT License and is copyright A Beautiful Site, LLC.
*
*/
import {isMac} from '../browser.js';
/**
* @callback module:jQueryContextMenu.jQueryContextMenuListener
* @param {string} href The `href` value after the first character (for bypassing an initial `#`)
* @param {external:jQuery} srcElement The wrapped jQuery srcElement
* @param {{x: Float, y: Float, docX: Float, docY: Float}} coords
* @returns {void}
*/
/**
* @typedef {PlainObject} module:jQueryContextMenu.jQueryContextMenuConfig
* @property {string} menu
* @property {Float} inSpeed
* @property {Float} outSpeed
* @property {boolean} allowLeft
*/
/**
* Adds {@link external:jQuery.fn.contextMenu},
* {@link external:jQuery.fn.disableContextMenuItems},
* {@link external:jQuery.fn.enableContextMenuItems},
* {@link external:jQuery.fn.disableContextMenu},
* {@link external:jQuery.fn.enableContextMenu},
* {@link external:jQuery.fn.destroyContextMenu}.
* @function module:jQueryContextMenu.jQueryContextMenu
* @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)
* @returns {external:jQuery}
*/
function jQueryContextMenu ($) {
const win = $(window);
const doc = $(document);
$.extend($.fn, {
/**
* @memberof external:jQuery.fn
* @param {module:jQueryContextMenu.jQueryContextMenuConfig} o
* @param {module:jQueryContextMenu.jQueryContextMenuListener} listener
* @returns {external:jQuery}
*/
contextMenu (o, listener) {
// Defaults
if (o.menu === undefined) return false;
if (o.inSpeed === undefined) o.inSpeed = 150;
if (o.outSpeed === undefined) o.outSpeed = 75;
// 0 needs to be -1 for expected results (no fade)
if (o.inSpeed === 0) o.inSpeed = -1;
if (o.outSpeed === 0) o.outSpeed = -1;
// Loop each context menu
$(this).each(function () {
const el = $(this);
const offset = $(el).offset();
const menu = $('#' + o.menu);
// Add contextMenu class
menu.addClass('contextMenu');
// Simulate a true right click
$(this).bind('mousedown', function (evt) {
$(this).mouseup(function (e) {
const srcElement = $(this);
srcElement.unbind('mouseup');
if (!(evt.button === 2 || o.allowLeft ||
(evt.ctrlKey && isMac()))) {
return undefined;
}
e.stopPropagation();
// Hide context menus that may be showing
$('.contextMenu').hide();
// Get this context menu
if (el.hasClass('disabled')) return false;
// Detect mouse position
let x = e.pageX, y = e.pageY;
const xOff = win.width() - menu.width(),
yOff = win.height() - menu.height();
if (x > xOff - 15) x = xOff - 15;
if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF
// Show the menu
doc.unbind('click');
menu.css({top: y, left: x}).fadeIn(o.inSpeed);
// Hover events
menu.find('A').mouseover(function () {
menu.find('LI.hover').removeClass('hover');
$(this).parent().addClass('hover');
}).mouseout(function () {
menu.find('LI.hover').removeClass('hover');
});
// Keyboard
doc.keypress(function (ev) {
switch (ev.keyCode) {
case 38: // up
if (!menu.find('LI.hover').length) {
menu.find('LI:last').addClass('hover');
} else {
menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
}
break;
case 40: // down
if (!menu.find('LI.hover').length) {
menu.find('LI:first').addClass('hover');
} else {
menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
}
break;
case 13: // enter
menu.find('LI.hover A').trigger('click');
break;
case 27: // esc
doc.trigger('click');
break;
}
});
// When items are selected
menu.find('A').unbind('mouseup');
menu.find('LI:not(.disabled) A').mouseup(function () {
doc.unbind('click').unbind('keypress');
$('.contextMenu').hide();
if (listener) {
listener($(this).attr('href').substr(1), $(srcElement), {
x: x - offset.left, y: y - offset.top, docX: x, docY: y
});
}
return false;
});
// Hide bindings
setTimeout(function () { // Delay for Mozilla
doc.click(function () {
doc.unbind('click').unbind('keypress');
menu.fadeOut(o.outSpeed);
return false;
});
}, 0);
return undefined;
});
});
// Disable text selection
if ($.browser.mozilla) {
$('#' + o.menu).each(function () { $(this).css({MozUserSelect: 'none'}); });
} else if ($.browser.msie) {
$('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); });
} else {
$('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); });
}
// Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
$(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; });
});
return $(this);
},
/**
* Disable context menu items on the fly.
* @memberof external:jQuery.fn
* @param {void|string} o Comma-separated
* @returns {external:jQuery}
*/
disableContextMenuItems (o) {
if (o === undefined) {
// Disable all
$(this).find('LI').addClass('disabled');
return $(this);
}
$(this).each(function () {
if (o !== undefined) {
const d = o.split(',');
for (const href of d) {
$(this).find('A[href="' + href + '"]').parent().addClass('disabled');
}
}
});
return $(this);
},
/**
* Enable context menu items on the fly.
* @memberof external:jQuery.fn
* @param {void|string} o Comma-separated
* @returns {external:jQuery}
*/
enableContextMenuItems (o) {
if (o === undefined) {
// Enable all
$(this).find('LI.disabled').removeClass('disabled');
return $(this);
}
$(this).each(function () {
if (o !== undefined) {
const d = o.split(',');
for (const href of d) {
$(this).find('A[href="' + href + '"]').parent().removeClass('disabled');
}
}
});
return $(this);
},
/**
* Disable context menu(s).
* @memberof external:jQuery.fn
* @returns {external:jQuery}
*/
disableContextMenu () {
$(this).each(function () {
$(this).addClass('disabled');
});
return $(this);
},
/**
* Enable context menu(s).
* @memberof external:jQuery.fn
* @returns {external:jQuery}
*/
enableContextMenu () {
$(this).each(function () {
$(this).removeClass('disabled');
});
return $(this);
},
/**
* Destroy context menu(s).
* @memberof external:jQuery.fn
* @returns {external:jQuery}
*/
destroyContextMenu () {
// Destroy specified context menus
$(this).each(function () {
// Disable action
$(this).unbind('mousedown').unbind('mouseup');
});
return $(this);
}
});
return $;
}
export default jQueryContextMenu;