Script for adding select-all functionality to jscut.org using tampermonkey.net browser plugin

select-all.js

// ==UserScript==
// @name         JSCUT Select All
// @namespace    http://bitbased.net/
// @version      0.1
// @description  Add double click select all to jscut.org
// @author       Brant Wedel - bitbased.net
// @match        http://jscut.org/jscut.html
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    $("#MainSvg").off('click');
    $("#MainSvg").click(function (e) {
        // Ignore double click
        if (e.originalEvent.detail > 1)
            return;

        var element = Snap.getElementByPoint(e.pageX, e.pageY);
        if (element !== null) {
            operationsViewModel.clickOnSvg(element) || tabsViewModel.clickOnSvg(element) || selectionViewModel.clickOnSvg(element);
            if (selectionViewModel.selNumSelected() > 0) {
                tutorial(3, 'Click "Create Operation" after you have finished selecting objects.');
            }
        }
    });

    $("#MainSvg").dblclick(function (e) {
        // Toggle select all
        if (selectionViewModel.selNumSelected() > 1) {
            selectionViewModel.clearSelection();
            return;
        }

        var selectedPaths = mainSvg.selectAll('path');
        if (selectedPaths.length > 0) {
            selectedPaths.forEach(function (element) {
                if (element.attr("class") != "selectedPath") {
                    operationsViewModel.clickOnSvg(element) || tabsViewModel.clickOnSvg(element) || selectionViewModel.clickOnSvg(element);
                }
            });
            if (selectionViewModel.selNumSelected() > 0) {
                tutorial(3, 'Click "Create Operation" after you have finished selecting objects.');
            }
        }
    });
})();