1112 lines
46 KiB
JavaScript
1112 lines
46 KiB
JavaScript
// SPDX-FileCopyrightText: 2023 David Mosbach <david.mosbach@campus.lmu.de>
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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import * as WF from './workflow.js';
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import './forcegraph.js';
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import 'https://unpkg.com/force-graph@1.43.0/dist/force-graph.min.js';
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//@ts-ignore
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import Index from './node_modules/flexsearch/src/index.js'; // 'https://cdn.jsdelivr.net/gh/nextapps-de/flexsearch@0.7.31/dist/flexsearch.bundle.js'
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//Theme
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var darkMode = false;
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export function toggleTheme() {
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darkMode = !darkMode;
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var menus = [mainMenu, sidePanel, filePanel];
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Array.from(document.getElementsByClassName('menuitem')).forEach(item => item !== fileMenu &&
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Array.from(item.getElementsByClassName('submenu')).forEach(subMenu => menus.push(subMenu)));
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Array.from(fileMenu.children).forEach(child => menus.push(child));
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Array.from(document.getElementById('editmenu').children).forEach(child => menus.push(child));
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Array.from(contextMenuBg.children).forEach(child => menus.push(child));
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Array.from(contextMenuEd.children).forEach(child => menus.push(child));
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Array.from(contextMenuSt.children).forEach(child => menus.push(child));
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Array.from(document.getElementsByClassName('graph-tooltip')).forEach(tooltip => menus.push(tooltip));
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var contentHints = [
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document.getElementById('filename'),
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document.getElementById('sidecontentedge'),
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document.getElementById('sidecontentnode')
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];
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var searchIcon = document.getElementById('search-icon');
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if (darkMode) {
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menus.forEach(target => {
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target?.classList.add('menu-darkmode');
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target?.classList.remove('menu-lightmode');
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});
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contentHints.forEach(hint => {
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hint?.classList.add('contenttype-darkmode');
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hint?.classList.remove('contenttype-lightmode');
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});
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searchIcon?.classList.add('search-icon-darkmode');
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searchIcon?.classList.remove('search-icon-lightmode');
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wfGraph.backgroundColor('black');
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}
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else {
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menus.forEach(target => {
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target?.classList.add('menu-lightmode');
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target?.classList.remove('menu-darkmode');
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});
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contentHints.forEach(hint => {
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hint?.classList.add('contenttype-lightmode');
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hint?.classList.remove('contenttype-darkmode');
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});
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searchIcon?.classList.add('search-icon-lightmode');
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searchIcon?.classList.remove('search-icon-darkmode');
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wfGraph.backgroundColor('white');
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}
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}
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// Menu bar
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const mainMenu = document.getElementById('mainmenu');
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var selectedMenuItem = null;
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Array.from(document.getElementsByClassName('submenu'))
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.forEach(subMenu => subMenu.style.top = (mainMenu.offsetHeight + 15).toString());
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var lastSubMenu = null;
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function positionSubmenuBackdrop() {
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if (!lastSubMenu || !submenuBackdrop)
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return;
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var smRect = lastSubMenu.getBoundingClientRect();
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submenuBackdrop.style.top = smRect.top.toString(); // sideHeading.offsetHeight + parseFloat(smStyle.paddingTop) + parseFloat(shStyle.marginTop) + parseFloat(shStyle.marginBottom);
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submenuBackdrop.style.left = smRect.left.toString();
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submenuBackdrop.style.width = lastSubMenu.offsetWidth.toString();
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submenuBackdrop.style.height = lastSubMenu.offsetHeight.toString();
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// var sbStyle = window.getComputedStyle(sideButtons);
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// sideContent.style.bottom = sideButtons.offsetHeight + parseFloat(smStyle.paddingBottom) + parseFloat(sbStyle.marginTop) + parseFloat(sbStyle.marginBottom);
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// console.log(sideHeading.offsetHeight + shStyle.marginTop + shStyle.marginBottom);
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// var width =
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}
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/**
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*
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* @param {HTMLElement} menuitem
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*/
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function openMenuItem(menuitem) {
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edgeTo = edgeFrom = rightSelection = null;
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closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
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if (menuitem === selectedMenuItem) {
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closeMenuItem();
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return;
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}
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var fadeOuts = [];
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Array.from(document.getElementsByClassName('selectedmenuitem')).forEach(other => {
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other.classList.remove('selectedmenuitem');
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Array.from(other.getElementsByClassName('submenu')).forEach(subMenu => fadeOuts.push({ element: subMenu, min: 0, step: 0.1 }));
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});
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fadeOut(null, ...fadeOuts);
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menuitem.classList.add('selectedmenuitem');
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var fadeIns = [{ element: submenuBackdrop, max: 1 }];
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Array.from(menuitem.getElementsByClassName('submenu')).forEach(subMenu => {
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fadeIns.push({ element: subMenu, max: 1 });
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lastSubMenu = subMenu;
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});
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fadeIn(positionSubmenuBackdrop, ...fadeIns);
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selectedMenuItem = menuitem;
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}
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function closeContextMenus(...menus) {
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var items = [];
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menus.forEach(menu => items.push({ element: menu, min: 0, step: 0.1 }));
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fadeOut(null, ...items);
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}
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function closeMenuItem() {
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if (!selectedMenuItem)
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return;
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selectedMenuItem.classList.remove('selectedmenuitem');
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var fadeOuts = [{ element: submenuBackdrop, min: 0, step: 0.1 }];
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Array.from(selectedMenuItem.getElementsByClassName('submenu')).forEach(subMenu => fadeOuts.push({ element: subMenu, min: 0, step: 0.1 }));
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fadeOut(() => searchResults.style.display = 'none', ...fadeOuts);
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selectedMenuItem = null;
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}
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export function openFileMenu(menuitem) {
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openMenuItem(menuitem);
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}
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export function openEditMenu(menuitem) {
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openMenuItem(menuitem);
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}
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export function openViewMenu(menuitem) {
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openMenuItem(menuitem);
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}
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export function openSettingsMenu(menuitem) {
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openMenuItem(menuitem);
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}
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export function openAboutMenu(menuitem) {
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openMenuItem(menuitem);
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}
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function focusSelection() {
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if (!selection)
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return;
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var x = 0;
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var y = 0;
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if (selection.hasOwnProperty('actionData')) {
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selection = selection;
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x = selection.source.x + (selection.target.x - selection.source.x) / 2;
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y = selection.source.y + (selection.target.y - selection.source.y) / 2;
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}
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else {
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selection = selection;
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x = selection.x;
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y = selection.y;
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}
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wfGraph.centerAt(x, y, 400);
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wfGraph.zoom(5, 400);
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}
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export function openSearchMenu(menuitem) {
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if (selectedMenuItem === menuitem)
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return;
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var val = searchInput.value;
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if (val === '' || val === null)
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while (searchResultList.firstChild)
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searchResultList.removeChild(searchResultList.lastChild);
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openMenuItem(menuitem);
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}
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document.getElementById('filepanel').style.opacity = '0';
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//Search
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var nodeIndex = new Index({ tokenize: 'forward' });
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var actionIndex = new Index({ tokenize: 'forward' });
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// const searchDocument = new FlexSearch.Document();
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// const searchWorker = new FlexSearch.Worker();
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const soStates = document.getElementById('search-option-states');
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const soEdges = document.getElementById('search-option-edges');
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export function search(text) {
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while (searchResultList.firstChild)
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searchResultList.removeChild(searchResultList.lastChild);
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var searchStates = soStates.checked;
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var searchActions = soEdges.checked;
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var stateResults = searchStates ? nodeIndex.search(text, searchActions ? 5 : 10) : null;
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var actionResults = searchActions ? actionIndex.search(text, searchStates ? 5 : 10) : null;
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function defineFocus(div, target) {
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div.onclick = (_ => {
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searchInput.value = '';
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closeMenuItem();
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select(target);
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focusSelection();
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});
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}
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function format(possibleTargets, results, heading) {
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var h = document.createElement('h3');
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h.innerHTML = heading;
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searchResultList.appendChild(h);
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results.forEach(result => {
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var target = null;
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possibleTargets.forEach(stateOrEdge => {
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if (stateOrEdge.id === result)
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target = stateOrEdge;
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});
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if (!target)
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return;
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var r = document.createElement('div');
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var head = document.createElement('div');
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head.innerText = target.name;
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head.classList.add('search-result-head');
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r.appendChild(head);
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var info = document.createElement('div');
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if (target.hasOwnProperty('actionData'))
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info.innerText = target.source.name + ' → ' + target.target.name;
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else
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info.innerText = target.stateData.abbreviation;
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info.setAttribute('title', info.innerText);
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info.classList.add('search-result-info');
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r.appendChild(info);
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searchResultList.appendChild(r);
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defineFocus(r, target);
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});
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}
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searchResultList.style.maxHeight = (parseFloat(searchResults.style.maxHeight) - searchOptions.offsetHeight).toString();
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// console.log('maxh', searchResults.style.maxHeight - searchOptions.offsetHeight)
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stateResults && format(workflow.states, stateResults, 'States');
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actionResults && format(workflow.actions, actionResults, 'Edges');
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positionSubmenuBackdrop();
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}
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export function showSearchResults() {
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searchResults.style.display = 'block';
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}
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export function openFileDisplay() {
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deselect();
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function callback() {
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fileHeading.innerHTML = 'Open Workflow Definition';
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var pStyle = window.getComputedStyle(filePanel);
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var hStyle = window.getComputedStyle(fileHeading);
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fileContent.style.top = (fileHeading.offsetHeight + parseFloat(pStyle.paddingTop) + parseFloat(hStyle.marginTop) + parseFloat(hStyle.marginBottom)).toString();
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var bStyle = window.getComputedStyle(fileButtons);
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fileContent.style.bottom = (fileButtons.offsetHeight + parseFloat(pStyle.paddingBottom) + parseFloat(bStyle.marginTop) + parseFloat(bStyle.marginBottom)).toString();
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}
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fadeIn(callback, { element: filePanel, max: 1, step: 0.025 }, { element: curtain, max: 0.5, step: 0.025 });
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closeMenuItem();
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}
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export function closeFileDisplay() {
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var panel = document.getElementById('filepanel');
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fadeOut(null, { element: panel, min: 0, step: 0.025 }, { element: curtain, min: 0, step: 0.025 });
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}
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function fadeIn(callback, ...items) {
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requestAnimationFrame(() => {
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items.forEach(i => i.element && (i.element.style.display = 'block'));
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if (callback)
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callback();
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});
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function fade() {
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var proceed = false;
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items.forEach(i => {
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if (!i.element || i.max === undefined)
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return;
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var newOpacity = (parseFloat(i.element.style.opacity) || 0) + (i.step || 0.05);
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if (newOpacity <= i.max) {
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i.element.style.opacity = newOpacity.toString();
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// console.log(i.max, i.element.style.opacity)
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proceed = true;
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}
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else if ((parseFloat(i.element.style.opacity) || 0) > i.max)
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i.element.style.opacity = i.max.toString();
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});
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if (proceed)
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requestAnimationFrame(fade);
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}
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requestAnimationFrame(fade);
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}
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function fadeOut(callback, ...items) {
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function fade() {
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var proceed = false;
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items.forEach(i => {
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if (!i.element || i.min === undefined)
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return;
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var newOpacity = (parseFloat(i.element.style.opacity) || 0) - (i.step || 0.05);
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if (newOpacity >= i.min) {
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i.element.style.opacity = newOpacity.toString();
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// console.log(i.max, i.element.style.opacity)
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proceed = true;
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}
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else {
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if ((parseFloat(i.element.style.opacity) || 0) < i.min)
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i.element.style.opacity = i.min.toString();
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i.element.style.display = 'none';
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}
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});
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if (proceed)
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requestAnimationFrame(fade);
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else if (callback)
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requestAnimationFrame(callback);
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}
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requestAnimationFrame(fade);
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}
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// Available workflow definition files
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var workflowFiles = [];
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// Workflow data
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var workflow = new WF.Workflow({
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states: [],
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actions: []
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});
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//@ts-ignore
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const wfGraph = ForceGraph();
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function defineOnClick(item, url, title) {
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item.onclick = (_ => {
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fetch(url)
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.then(response => response.json())
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.then(data => {
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closeFileDisplay();
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searchInput.value = '';
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while (searchResultList.firstChild)
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searchResultList.removeChild(searchResultList.lastChild);
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workflow = new WF.Workflow({
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states: data.states,
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actions: data.actions
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});
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nodeIndex = new Index({ tokenize: 'forward' });
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actionIndex = new Index({ tokenize: 'forward' });
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prepareWorkflow();
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updateGraph();
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wfGraph.centerAt(0, 0, 400);
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wfGraph.zoom(1, 400);
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document.getElementById('filename').innerText = title;
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document.title = title + ' | Editor';
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});
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});
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}
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fetch('http://localhost:8080/spaß/index.json')
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.then(response => response.json())
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.then(data => {
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workflowFiles = data;
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for (var i = 0; i < workflowFiles.length; i++) {
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var item = document.createElement('div');
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item.innerHTML = '<h3>' + workflowFiles[i].name + '</h3>' + workflowFiles[i].description;
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var url = 'http://localhost:8080/spaß' + workflowFiles[i].url;
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defineOnClick(item, url, workflowFiles[i].name);
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fileContent.appendChild(item);
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}
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var url = 'http://localhost:8080/spaß' + workflowFiles[0].url;
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return fetch(url);
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})
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.then((response) => response.json())
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.then((data) => {
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document.getElementById('filename').innerText = workflowFiles[0].name;
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document.title = workflowFiles[0].name + ' | Editor';
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workflow = new WF.Workflow({
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states: data.states,
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actions: data.actions
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});
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wfGraph(document.getElementById('graph')).graphData({ nodes: workflow.states, links: workflow.actions });
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Array.from(document.getElementsByClassName('graph-tooltip')).forEach(tooltip => tooltip.classList.add('menu-lightmode'));
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runnn();
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});
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//Actors of the workflow
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var actors = [];
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const selectedActor = document.getElementById('actor');
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//Viewers of the workflow
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var viewers = [];
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const selectedViewer = document.getElementById('viewer');
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//Actions/States with no explicit viewers
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var viewableByAll = [];
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//Possible initiators
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var initiators = [];
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//Implicit state from which initial actions can be selected
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var initState = null;
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const NO_ACTOR = 'None';
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const NO_VIEWER = NO_ACTOR;
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//source & target nodes of all currently highlighted actions
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var highlightedSources = [];
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var highlightedTargets = [];
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export function selectActor() {
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closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
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edgeFrom = edgeTo = rightSelection = null;
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highlightedSources = [];
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highlightedTargets = [];
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selectedViewer.value = NO_VIEWER;
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workflow.actions.forEach(act => {
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if (act.actionData.mode != 'automatic' && act.actionData.actorNames.includes(selectedActor.value)) {
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highlightedSources.push(act.source.id);
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highlightedTargets.push(act.target.id);
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}
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});
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}
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export function selectViewer() {
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closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
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edgeFrom = edgeTo = rightSelection = null;
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highlightedSources = [];
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highlightedTargets = [];
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selectedActor.value = NO_ACTOR;
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workflow.states.forEach(st => {
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if (st.stateData.viewerNames.includes(selectedViewer.value)) {
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highlightedSources.push(st.id);
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}
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});
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}
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var selection = null; // The currently selected node/edge.
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var rightSelection = null; // The currently right clicked node/edge.
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var edgeTo = null; // Target of an edge to be created.
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var edgeFrom = null; // Start on an edge to be created.
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//Utility elements
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const curtain = document.getElementById('curtain');
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const submenuBackdrop = document.getElementById('submenu-backdrop');
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//Side Panel
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const sidePanel = document.getElementById('sidepanel');
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const sideContent = document.getElementById('sidecontent');
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const sideHeading = document.getElementById('sideheading');
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const sideButtons = document.getElementById('sidebuttons');
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const sideInfoEdge = document.getElementById('sidecontentedge');
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const sideInfoNode = document.getElementById('sidecontentnode');
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//File panel
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const fileMenuBtn = document.getElementById('file-menu-btn');
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const fileMenu = document.getElementById('filemenu');
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const filePanel = document.getElementById('filepanel');
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const fileHeading = document.getElementById('fileheading');
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const fileContent = document.getElementById('filecontent');
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const fileButtons = document.getElementById('filebuttons');
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//Edit
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const editMenuBtn = document.getElementById('edit-menu-btn');
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//View
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const viewMenuBtn = document.getElementById('view-menu-btn');
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//Settings
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const settingsMenuBtn = document.getElementById('settings-menu-btn');
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//About
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const aboutMenuBtn = document.getElementById('about-menu-btn');
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//Context menus
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const contextMenuBg = document.getElementById('ctmenubg'); //Click on background
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const contextMenuSt = document.getElementById('ctmenust'); //Click on state
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const contextMenuEd = document.getElementById('ctmenued'); //Click on edge
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//Search
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const searchMenuBtn = document.getElementById('search-menu-btn');
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const searchContainer = document.getElementById('search-container');
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const searchInput = document.getElementById('search-input');
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const searchResults = document.getElementById('search-results');
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const searchResultList = document.getElementById('search-result-list');
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const searchOptions = document.getElementById('search-options');
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// Counters for placeholder IDs of states/actions added via GUI
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var stateIdCounter = 0;
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var actionIdCounter = 0;
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var stateAbbreviations = [];
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var newStateCoords = { 'x': 0, 'y': 0 }; //Initial coordinates of the next new state
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sidePanel.style.top = (mainMenu.offsetHeight + 15).toString();
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searchContainer.style.left = (mainMenu.offsetWidth / 2 - searchContainer.offsetWidth / 2).toString();
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searchResults.style.left = searchContainer.style.left;
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searchResults.style.maxHeight = (0.8 * window.innerHeight).toString();
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//Event handlers
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curtain.addEventListener('click', _ => closeFileDisplay());
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fileMenuBtn.addEventListener('click', function (_) { openFileMenu(this); });
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editMenuBtn.addEventListener('click', function (_) { openEditMenu(this); });
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viewMenuBtn.addEventListener('click', function (_) { openViewMenu(this); });
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settingsMenuBtn.addEventListener('click', function (_) { openSettingsMenu(this); });
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aboutMenuBtn.addEventListener('click', function (_) { openAboutMenu(this); });
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searchMenuBtn.addEventListener('click', function (_) { openSearchMenu(this); });
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searchInput.addEventListener('click', function (_) { showSearchResults(); });
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searchInput.addEventListener('input', function (_) { search(this.value); });
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document.getElementById('search-button')?.addEventListener('click', _ => searchInput.focus());
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document.getElementById('open-file')?.addEventListener('click', _ => openFileDisplay());
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document.getElementById('actor')?.addEventListener('change', _ => selectActor());
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document.getElementById('viewer')?.addEventListener('change', _ => selectViewer());
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document.getElementById('theme-toggle')?.addEventListener('click', _ => toggleTheme());
|
|
document.getElementById('side-panel-cancel')?.addEventListener('click', _ => deselect());
|
|
document.getElementById('side-panel-focus')?.addEventListener('click', _ => focusSelection());
|
|
document.getElementById('side-panel-delete')?.addEventListener('click', _ => removeSelection());
|
|
document.getElementById('file-panel-cancel')?.addEventListener('click', _ => closeFileDisplay());
|
|
document.getElementById('add-state')?.addEventListener('click', _ => addState());
|
|
document.getElementById('edge-from')?.addEventListener('click', _ => markEdgeFrom());
|
|
document.getElementById('edge-to')?.addEventListener('click', _ => markEdgeTo());
|
|
document.getElementById('close-side-panel')?.addEventListener('click', _ => deselect());
|
|
document.getElementById('close-file-panel')?.addEventListener('click', _ => closeFileDisplay());
|
|
document.querySelectorAll('.edit-item').forEach(elem => elem.addEventListener('click', _ => rightSelect()));
|
|
document.querySelectorAll('.delete-item').forEach(elem => elem.addEventListener('click', _ => removeRightSelection()));
|
|
/**
|
|
* Marks the given item as selected.
|
|
* @param {*} item The node or edge to select.
|
|
*/
|
|
export function select(item) {
|
|
closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
|
|
edgeFrom = edgeTo = rightSelection = null;
|
|
selection = selection === item ? null : item;
|
|
if (selection === item) {
|
|
while (sideContent.firstChild)
|
|
sideContent.removeChild(sideContent.lastChild);
|
|
function callback() {
|
|
if (item.hasOwnProperty('actionData')) {
|
|
sideInfoEdge.style.display = 'block';
|
|
sideInfoNode.style.display = 'none';
|
|
}
|
|
else {
|
|
sideInfoEdge.style.display = 'none';
|
|
sideInfoNode.style.display = 'block';
|
|
}
|
|
var heading = item.name;
|
|
if (heading.length > 90)
|
|
heading = heading.substring(0, 88) + '...';
|
|
sideHeading.innerHTML = heading;
|
|
sideHeading.setAttribute('title', item.name);
|
|
var data = document.createElement('div');
|
|
var content = generatePanelContent(selection);
|
|
content.forEach(c => data.appendChild(c));
|
|
sideContent.appendChild(data);
|
|
var spStyle = window.getComputedStyle(sidePanel);
|
|
var shStyle = window.getComputedStyle(sideHeading);
|
|
sideContent.style.top = (sideHeading.offsetHeight + parseFloat(spStyle.paddingTop) + parseFloat(shStyle.marginTop) + parseFloat(shStyle.marginBottom)).toString();
|
|
var sbStyle = window.getComputedStyle(sideButtons);
|
|
sideContent.style.bottom = (sideButtons.offsetHeight + parseFloat(spStyle.paddingBottom) + parseFloat(sbStyle.marginTop) + parseFloat(sbStyle.marginBottom)).toString();
|
|
// console.log(sideHeading.offsetHeight + shStyle.marginTop + shStyle.marginBottom);
|
|
}
|
|
fadeIn(callback, { element: sidePanel, max: 1 });
|
|
}
|
|
else {
|
|
fadeOut(null, { element: sidePanel, min: 0 });
|
|
// sidePanel.style.display = 'none';
|
|
}
|
|
console.log(item);
|
|
}
|
|
export function deselect() {
|
|
fadeOut(null, { element: sidePanel, min: 0 });
|
|
// sidePanel.style.display = 'none';
|
|
selection = null;
|
|
}
|
|
export function rightSelect() {
|
|
if (!rightSelection)
|
|
return;
|
|
select(rightSelection);
|
|
}
|
|
/**
|
|
* Adds a new state to the workflow and auto-selects it.
|
|
*/
|
|
export function addState() {
|
|
var nodeId = stateIdCounter++;
|
|
var x = newStateCoords.x;
|
|
var y = newStateCoords.y;
|
|
var state = { id: 'state_' + nodeId,
|
|
x: x,
|
|
y: y,
|
|
name: 'state_' + nodeId,
|
|
fx: x,
|
|
fy: y,
|
|
val: 5,
|
|
stateData: new WF.StateData({ abbreviation: `S${nodeId}`, final: 'false' }) };
|
|
workflow.states.push(state);
|
|
updateGraph();
|
|
select(state);
|
|
nodeIndex.add(state.id, state.name);
|
|
}
|
|
/**
|
|
* Adds a new action between two states.
|
|
* @param source The source state.
|
|
* @param target The target state.
|
|
*/
|
|
function connect(source, target) {
|
|
let linkId = actionIdCounter++;
|
|
var action = new WF.WFEdge({
|
|
id: (linkId).toString(),
|
|
source: source,
|
|
target: target,
|
|
name: 'action_' + linkId,
|
|
actionData: {},
|
|
nodePairId: ''
|
|
});
|
|
workflow.actions.push(action);
|
|
updateGraph();
|
|
select(action);
|
|
actionIndex.add(action.id, action.name);
|
|
}
|
|
export function markEdgeTo() {
|
|
edgeTo = rightSelection;
|
|
closeContextMenus(contextMenuSt);
|
|
// contextMenuSt.style.display = 'none';
|
|
}
|
|
export function markEdgeFrom() {
|
|
edgeFrom = rightSelection;
|
|
closeContextMenus(contextMenuSt);
|
|
// contextMenuSt.style.display = 'none';
|
|
}
|
|
export function removeSelection() {
|
|
if (selection) {
|
|
if (selection.hasOwnProperty('actionData'))
|
|
removeAction(selection);
|
|
else
|
|
removeState(selection);
|
|
deselect();
|
|
edgeFrom = edgeTo = rightSelection = null;
|
|
closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
|
|
}
|
|
}
|
|
export function removeRightSelection() {
|
|
if (rightSelection) {
|
|
if (rightSelection.hasOwnProperty('actionData'))
|
|
removeAction(rightSelection);
|
|
else
|
|
removeState(rightSelection);
|
|
if (selection === rightSelection)
|
|
deselect();
|
|
edgeFrom = edgeTo = rightSelection = null;
|
|
closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
|
|
}
|
|
}
|
|
function generatePanelContent(selection) {
|
|
var children = [];
|
|
var data = selection.hasOwnProperty('stateData') ? selection.stateData : selection.actionData;
|
|
for (var key in data) {
|
|
if (key === 'viewerNames' || key === 'actorNames')
|
|
continue;
|
|
var h = document.createElement('h2');
|
|
var heading = document.createTextNode(key.substring(0, 1).toUpperCase() + key.substring(1));
|
|
h.appendChild(heading);
|
|
children.push(h);
|
|
var content = data[key];
|
|
if (content instanceof Array && content.length > 0 && content[0] instanceof WF.Message) {
|
|
content.forEach(msg => {
|
|
if (msg instanceof WF.Message)
|
|
msg.format().forEach(child => children.push(child));
|
|
else {
|
|
var m = document.createElement('p');
|
|
m.innerHTML = msg;
|
|
children.push(m);
|
|
}
|
|
});
|
|
}
|
|
else if (content instanceof WF.Payload) {
|
|
content.format().forEach(child => children.push(child));
|
|
}
|
|
else if (content instanceof WF.Roles) {
|
|
content.format().forEach(child => children.push(child));
|
|
}
|
|
else {
|
|
var p = document.createElement('p');
|
|
var text = document.createTextNode((key == 'comment')
|
|
? data[key].join(' ')
|
|
: JSON.stringify(data[key]));
|
|
p.appendChild(text);
|
|
children.push(p);
|
|
}
|
|
}
|
|
return children;
|
|
}
|
|
/**
|
|
* Removes an edge from the workflow.
|
|
* @param action The action to remove.
|
|
*/
|
|
function removeAction(action) {
|
|
workflow.actions.splice(workflow.actions.indexOf(action), 1);
|
|
actionIndex.remove(action.id);
|
|
}
|
|
/**
|
|
* Removes a state from the workflow.
|
|
* @param {*} state The state to remove.
|
|
*/
|
|
function removeState(state) {
|
|
workflow.actions
|
|
.filter(edge => edge.source === state || edge.target === state)
|
|
.forEach(edge => removeAction(edge));
|
|
workflow.states.splice(workflow.states.indexOf(state), 1);
|
|
var abbreviation = state.stateData && state.stateData.abbreviation;
|
|
abbreviation && stateAbbreviations.splice(stateAbbreviations.indexOf(abbreviation), 1);
|
|
nodeIndex.remove(state.id);
|
|
}
|
|
var selfLoops = new Map(); // All edges whose targets equal their sources.
|
|
var overlappingEdges = new Map(); // All edges whose target and source are connected by further.
|
|
const selfLoopCurvMin = 0.5; // Minimum curvature of a self loop.
|
|
const curvatureMinMax = 0.2; // Minimum/maximum curvature (1 +/- x) of overlapping edges.
|
|
/**
|
|
* Updates the nodes and edges of the workflow graph.
|
|
*/
|
|
function updateGraph() {
|
|
identifyOverlappingEdges();
|
|
computeCurvatures();
|
|
wfGraph.graphData({ nodes: workflow.states, links: workflow.actions });
|
|
}
|
|
/**
|
|
* Identifies and stores self loops as well as overlapping edges (i.e. multiple edges sharing the
|
|
* same source and target).
|
|
*/
|
|
function identifyOverlappingEdges() {
|
|
selfLoops = new Map();
|
|
overlappingEdges = new Map();
|
|
workflow.actions.forEach(edge => {
|
|
var source = typeof (edge.source) === 'string' ? edge.source : edge.source.id;
|
|
var target = typeof (edge.target) === 'string' ? edge.target : edge.target.id;
|
|
var pre = source <= target ? source : target;
|
|
var post = source <= target ? target : source;
|
|
edge.nodePairId = pre + '_' + post;
|
|
var category = edge.source === edge.target ? selfLoops : overlappingEdges;
|
|
if (!category.has(edge.nodePairId))
|
|
category.set(edge.nodePairId, []);
|
|
category.get(edge.nodePairId).push(edge);
|
|
});
|
|
}
|
|
/**
|
|
* Computes the curvature of the loops stored in `selfLoops` and overlapping edges
|
|
* stored in `overlappingEdges`.
|
|
*/
|
|
function computeCurvatures() {
|
|
// Self loops
|
|
Array.from(selfLoops.keys()).forEach(id => {
|
|
var edges = selfLoops.get(id);
|
|
if (!edges) {
|
|
console.error('Undefined nodePairId: ' + id);
|
|
return;
|
|
}
|
|
for (let i = 0; i < edges.length; i++)
|
|
edges[i].curvature = selfLoopCurvMin + i / 10;
|
|
});
|
|
// Overlapping edges
|
|
Array.from(overlappingEdges.keys())
|
|
.filter(nodePairId => overlappingEdges.get(nodePairId).length > 1)
|
|
.forEach(nodePairId => {
|
|
var edges = overlappingEdges.get(nodePairId);
|
|
var lastIndex = edges.length - 1;
|
|
var lastEdge = edges[lastIndex];
|
|
lastEdge.curvature = curvatureMinMax;
|
|
let delta = 2 * curvatureMinMax / lastIndex;
|
|
for (let i = 0; i < lastIndex; i++) {
|
|
edges[i].curvature = -curvatureMinMax + i * delta;
|
|
if (lastEdge.source !== edges[i].source)
|
|
edges[i].curvature *= -1;
|
|
}
|
|
});
|
|
}
|
|
function prepareWorkflow() {
|
|
actors = [];
|
|
viewers = [];
|
|
viewableByAll = [];
|
|
initiators = [];
|
|
highlightedSources = [];
|
|
highlightedTargets = [];
|
|
stateAbbreviations = [];
|
|
stateIdCounter = workflow.states ? workflow.states.length : 0;
|
|
actionIdCounter = workflow.states ? workflow.actions.length : 0;
|
|
Array.from(selectedActor.options).forEach(option => selectedActor.remove(parseFloat(option.value)));
|
|
Array.from(selectedViewer.options).forEach(option => selectedViewer.remove(parseFloat(option.value)));
|
|
selectedActor.value = NO_ACTOR;
|
|
selectedViewer.value = NO_VIEWER;
|
|
//Create search index
|
|
workflow.states.forEach(state => nodeIndex.add(state.id, state.name));
|
|
workflow.actions.forEach(action => actionIndex.add(action.id, action.name));
|
|
workflow.actions.forEach(act => act.actionData.actors.roles.forEach(a => {
|
|
var includes = false;
|
|
actors.forEach(actor => includes = includes || equalRoles(a, actor));
|
|
(!includes) && actors.push(a);
|
|
act.actionData.actorNames.push(getRoleName(a));
|
|
}));
|
|
//Prepare actor highlighting
|
|
var allActors = document.createElement('option');
|
|
allActors.text = NO_ACTOR;
|
|
selectedActor.add(allActors);
|
|
actors.forEach(actor => {
|
|
var option = document.createElement('option');
|
|
option.text = getRoleName(actor);
|
|
selectedActor.add(option);
|
|
});
|
|
//Identify all viewers of every action
|
|
workflow.actions.forEach(act => {
|
|
if (act.actionData.viewers.roles.length === 0) {
|
|
viewableByAll.push(act.actionData);
|
|
}
|
|
else {
|
|
act.actionData.viewers.roles.forEach(v => {
|
|
var includes = false;
|
|
viewers.forEach(viewer => includes = includes || equalRoles(v, viewer));
|
|
(!includes) && viewers.push(v);
|
|
act.actionData.viewerNames.push(getRoleName(v));
|
|
});
|
|
}
|
|
if (act.actionData.mode === 'initial') {
|
|
act.actionData.actorNames.forEach(an => !initiators.includes(an) && initiators.push(an));
|
|
}
|
|
});
|
|
//Identify all viewers of every state
|
|
workflow.states.forEach(st => {
|
|
if (st.name === '@@INIT') {
|
|
initState = st;
|
|
}
|
|
else if (st.stateData.viewers.length() === 0) {
|
|
viewableByAll.push(st.stateData);
|
|
}
|
|
else {
|
|
st.stateData.viewers.roles.forEach(v => {
|
|
var includes = false;
|
|
viewers.forEach(viewer => includes = includes || equalRoles(v, viewer));
|
|
(!includes) && viewers.push(v);
|
|
st.stateData.viewerNames.push(getRoleName(v));
|
|
});
|
|
}
|
|
});
|
|
if (initState)
|
|
initState.stateData.viewerNames = initiators;
|
|
else
|
|
console.error('Failed to determine initial state');
|
|
const ALL_VIEW = "Not explicitly specified";
|
|
if (viewableByAll.length > 0) {
|
|
viewers.push(ALL_VIEW);
|
|
var viewerNames = [];
|
|
viewers.forEach(viewer => viewerNames.push(getRoleName(viewer)));
|
|
viewableByAll.forEach(data => {
|
|
data.viewerNames = viewerNames;
|
|
});
|
|
}
|
|
//Prepare viewer highlighting
|
|
var allViewers = document.createElement('option');
|
|
allViewers.text = NO_VIEWER;
|
|
selectedViewer.add(allViewers);
|
|
viewers.forEach(viewer => {
|
|
var option = document.createElement('option');
|
|
option.text = getRoleName(viewer);
|
|
selectedViewer.add(option);
|
|
});
|
|
//Compute abbreviations of the names of all states
|
|
workflow.states.forEach(state => {
|
|
// var label = node.name.substring(0, 5);
|
|
var label = state.name.split(' '); // [node.name.substring(0, 6), node.name.substring(6, 12), node.name.substring(12, 18)];
|
|
for (var i = 0; i < label.length; i++) {
|
|
if (label[i] === '(')
|
|
continue; // if the state name contains whitespace after the brace
|
|
var isBrace = label[i][0] === '(';
|
|
label[i] = label[i].substring(isBrace ? 1 : 0, isBrace ? 2 : 1);
|
|
}
|
|
var labelString = label.join('').substring(0, 6);
|
|
var counter = 1;
|
|
var len = labelString.length;
|
|
while (stateAbbreviations.includes(labelString)) {
|
|
labelString = labelString.substring(0, len) + "'" + counter++;
|
|
}
|
|
stateAbbreviations.push(labelString);
|
|
state.stateData.abbreviation = labelString;
|
|
});
|
|
}
|
|
function getRoleName(role) {
|
|
if (typeof role == 'string') {
|
|
return role;
|
|
}
|
|
else if (role instanceof WF.Role) {
|
|
return role.name;
|
|
}
|
|
else {
|
|
return JSON.stringify(role);
|
|
}
|
|
}
|
|
/**
|
|
* Checks if two roles are equal.
|
|
* @param role1
|
|
* @param role2
|
|
* @returns
|
|
*/
|
|
function equalRoles(role1, role2) {
|
|
role1 instanceof WF.Role && (role1 = role1.json);
|
|
role2 instanceof WF.Role && (role2 = role2.json);
|
|
var equal = role1.tag === role2.tag;
|
|
if (role1.tag == 'payload-reference') {
|
|
equal = equal && (role1['payload-label'] === role2['payload-label']);
|
|
}
|
|
else if (role1.tag == 'user') {
|
|
equal = equal && (role1.user === role2.user);
|
|
}
|
|
else if (role1.tag == 'authorized') {
|
|
if (!role1.authorized || (role2.tag == 'authorized' && !role2.authorized)) {
|
|
console.error("Missing attribute 'authorized' for one of:", role1, role2);
|
|
equal = equal && (role1.authorized == role2.authorized);
|
|
}
|
|
else if (!role2.authorized)
|
|
equal = false;
|
|
else
|
|
equal = equal && (role1.authorized['dnf-terms'][0][0].var === role2.authorized['dnf-terms'][0][0].var);
|
|
}
|
|
return equal;
|
|
}
|
|
function openContextMenu(x, y, menu) {
|
|
menu.style.top = (y - 25).toString();
|
|
menu.style.left = (x + 20).toString();
|
|
fadeIn(null, { element: menu, max: 1, step: 0.1 });
|
|
// menu.style.display = 'block';
|
|
edgeFrom = edgeTo = null;
|
|
}
|
|
function runnn() {
|
|
prepareWorkflow();
|
|
const edgeColourDefault = '#999999ff';
|
|
const edgeColourSelected = '#000000ff';
|
|
const edgeColourSelectedDarkMode = '#ffffffff';
|
|
const edgeColourHighlightDefault = '#6ed4d4';
|
|
const edgeColourHighlightSelected = 'magenta';
|
|
const edgeColourSubtleDefault = '#99999955';
|
|
const edgeColourSubtleSelected = '#00000055';
|
|
const edgeColourSubtleSelectedDarkMode = '#ffffff55';
|
|
const edgeColourMostSubtle = '#99999944';
|
|
/**
|
|
*
|
|
* @param node
|
|
* @returns The colour the given node should have.
|
|
*/
|
|
function getNodeColour(node) {
|
|
var standard = (selectedActor.value === NO_ACTOR && selectedViewer.value === NO_VIEWER)
|
|
|| highlightedSources.includes(node.id) || highlightedTargets.includes(node.id);
|
|
var alpha = standard ? 'ff' : '55';
|
|
var isSelected = selection === node || rightSelection === node;
|
|
if (node.stateData && node.stateData.final !== 'false' && node.stateData.final !== '') {
|
|
if (node.stateData.final === 'true' || node.stateData.final === 'ok') {
|
|
return (isSelected ? '#3ac713' : '#31a810') + alpha;
|
|
}
|
|
else if (node.stateData.final === 'not-ok') {
|
|
return (isSelected ? '#ec4e7b' : '#e7215a') + alpha;
|
|
}
|
|
else {
|
|
return (isSelected ? '#ffbc15' : '#eeaa00') + alpha;
|
|
}
|
|
}
|
|
else if (node.name === '@@INIT') {
|
|
return (isSelected ? '#ffbc15' : '#eeaa00') + alpha;
|
|
}
|
|
else {
|
|
return (isSelected ? '#538cd9' : '#3679d2') + alpha;
|
|
}
|
|
}
|
|
function isHighlightedActorEdge(edge) {
|
|
var data = edge.actionData;
|
|
var isActor = data.mode != 'automatic' && data.actorNames.includes(selectedActor.value);
|
|
var isActorAuto = data.mode == 'automatic' && highlightedTargets.includes(edge.source.id);
|
|
return isActor || isActorAuto;
|
|
}
|
|
function isHighlightedViewerEdge(edge) {
|
|
var data = edge.actionData;
|
|
return data.viewerNames.includes(selectedViewer.value);
|
|
}
|
|
function getEdgeColour(edge) {
|
|
var isSelected = selection === edge || rightSelection === edge;
|
|
if (isHighlightedActorEdge(edge)) {
|
|
return isSelected ? edgeColourHighlightSelected : edgeColourHighlightDefault;
|
|
}
|
|
else if (selectedViewer.value !== NO_VIEWER && !isHighlightedViewerEdge(edge)) {
|
|
return isSelected ? edgeColourSubtleDefault : edgeColourMostSubtle;
|
|
}
|
|
else if (selectedActor.value !== NO_ACTOR) {
|
|
return isSelected ? (darkMode ? edgeColourSubtleSelectedDarkMode : edgeColourSubtleSelected)
|
|
: edgeColourSubtleDefault;
|
|
}
|
|
else {
|
|
return isSelected ? (darkMode ? edgeColourSelectedDarkMode : edgeColourSelected)
|
|
: edgeColourDefault;
|
|
}
|
|
}
|
|
wfGraph
|
|
.linkDirectionalArrowLength(4)
|
|
.linkDirectionalArrowRelPos(1)
|
|
.linkColor(getEdgeColour)
|
|
.linkCurvature('curvature')
|
|
.linkCanvasObjectMode(() => 'after')
|
|
.linkCanvasObject((edge, context) => {
|
|
const MAX_FONT_SIZE = 4;
|
|
const LABEL_NODE_MARGIN = wfGraph.nodeRelSize() * edge.source.val * 1.5;
|
|
const source = edge.source;
|
|
const target = edge.target;
|
|
const curvature = edge.curvature;
|
|
var textPos = (source === target)
|
|
? { x: source.x, y: source.y }
|
|
: { x: source.x + (target.x - source.x) / 2,
|
|
y: source.y + (target.y - source.y) / 2 };
|
|
const edgeVector = { x: target.x - source.x, y: target.y - source.y };
|
|
if (source !== target) {
|
|
var evLength = Math.sqrt(Math.pow(edgeVector.x, 2) + Math.pow(edgeVector.y, 2));
|
|
var perpendicular = { x: edgeVector.x, y: (-Math.pow(edgeVector.x, 2) / edgeVector.y) };
|
|
var pLength = Math.sqrt(Math.pow(perpendicular.x, 2) + Math.pow(perpendicular.y, 2));
|
|
perpendicular.x = perpendicular.x / pLength;
|
|
perpendicular.y = perpendicular.y / pLength;
|
|
var fromSource = { x: source.x + perpendicular.x, y: source.y + perpendicular.y };
|
|
// If source would cycle around target in clockwise direction, would fromSource point into this direction?
|
|
// If not, the perpendicular vector must be flipped in order to ensure that the label is displayed on the
|
|
// intended curved edge.
|
|
var isClockwise = (source.x < target.x && fromSource.y > source.y) ||
|
|
(source.x > target.x && fromSource.y < source.y) ||
|
|
(source.x === target.x && ((source.y < target.y && fromSource.x < source.x) ||
|
|
source.y > target.y && fromSource.x > source.x));
|
|
var offset = 0.5 * evLength * (isClockwise ? -curvature : curvature);
|
|
textPos = { x: textPos.x + perpendicular.x * offset, y: textPos.y + perpendicular.y * offset };
|
|
}
|
|
else if (edge.__controlPoints) { // Position label relative to the Bezier control points of the self loop
|
|
edgeVector.x = edge.__controlPoints[2] - edge.__controlPoints[0];
|
|
edgeVector.y = edge.__controlPoints[3] - edge.__controlPoints[1];
|
|
var ctrlCenter = { x: edge.__controlPoints[0] + (edge.__controlPoints[2] - edge.__controlPoints[0]) / 2,
|
|
y: edge.__controlPoints[1] + (edge.__controlPoints[3] - edge.__controlPoints[1]) / 2 };
|
|
var fromSource = { x: ctrlCenter.x - source.x, y: ctrlCenter.y - source.y };
|
|
var fromSrcLen = Math.sqrt(Math.pow(fromSource.x, 2) + Math.pow(fromSource.y, 2));
|
|
fromSource.x /= fromSrcLen;
|
|
fromSource.y /= fromSrcLen;
|
|
// The distance of the control point is 70 * curvature. Slightly more than half of it is appropriate here:
|
|
textPos = { x: source.x + fromSource.x * 37 * curvature, y: source.y + fromSource.y * 37 * curvature };
|
|
}
|
|
const maxTextLength = (source !== target) ? Math.sqrt(Math.pow(edgeVector.x, 2) + Math.pow(edgeVector.y, 2)) - LABEL_NODE_MARGIN
|
|
: 1.5 * Math.sqrt(4 * source.val + 100 * curvature);
|
|
var textAngle = Math.atan2(edgeVector.y, edgeVector.x);
|
|
// maintain label vertical orientation for legibility
|
|
if (textAngle > Math.PI / 2)
|
|
textAngle = -(Math.PI - textAngle);
|
|
if (textAngle < -Math.PI / 2)
|
|
textAngle = -(-Math.PI - textAngle);
|
|
var label = edge.name;
|
|
// estimate fontSize to fit in link length
|
|
//context.font = '1px Sans-Serif';
|
|
const fontSize = MAX_FONT_SIZE; // Math.min(MAX_FONT_SIZE, maxTextLength / context.measureText(label).width);
|
|
context.font = `${fontSize}px Inter`;
|
|
var textLen = context.measureText(label).width;
|
|
if (textLen > maxTextLength) {
|
|
var allowedLen = maxTextLength * (label.length / textLen);
|
|
label = label.substring(0, allowedLen);
|
|
if (label !== edge.name)
|
|
label += '...';
|
|
textLen = context.measureText(label).width;
|
|
}
|
|
const bckgDimensions = [textLen, fontSize];
|
|
// draw text label (with background rect)
|
|
context.save();
|
|
context.translate(textPos.x, textPos.y);
|
|
context.rotate(textAngle);
|
|
context.fillStyle = darkMode ? 'rgba(0, 0, 0, 0.8)' : 'rgba(255, 255, 255, 0.8)';
|
|
context.fillRect(-bckgDimensions[0] / 2, -bckgDimensions[1] / 2, ...bckgDimensions);
|
|
context.textAlign = 'center';
|
|
context.textBaseline = 'middle';
|
|
context.fillStyle = getEdgeColour(edge);
|
|
context.fillText(label, 0, 0);
|
|
context.restore();
|
|
})
|
|
.linkLineDash((edge) => edge.actionData.mode == 'automatic' && [2, 3]) //[dash, gap]
|
|
.linkWidth((edge) => ((edge === selection || edge === rightSelection) ? 2 : 0) + ((isHighlightedActorEdge(edge) || isHighlightedViewerEdge(edge)) ? 4 : 1))
|
|
.linkDirectionalParticles(2)
|
|
.linkDirectionalParticleColor(() => darkMode ? '#ffffff55' : '#00000055')
|
|
.linkDirectionalParticleWidth((edge) => (isHighlightedActorEdge(edge)) ? 3 : 0)
|
|
.nodeCanvasObject((node, ctx) => {
|
|
ctx.fillStyle = getNodeColour(node);
|
|
ctx.beginPath();
|
|
ctx.arc(node.x, node.y, 2 * node.val, 0, 2 * Math.PI, false);
|
|
ctx.fill();
|
|
if (node === selection || node === rightSelection) {
|
|
ctx.strokeStyle = darkMode ? 'white' : 'black';
|
|
ctx.lineWidth = 1;
|
|
ctx.setLineDash([1, 2]);
|
|
ctx.lineCap = 'round';
|
|
ctx.stroke();
|
|
}
|
|
if (!(node.stateData && node.stateData.abbreviation))
|
|
return;
|
|
ctx.fillStyle = 'white';
|
|
ctx.font = '4px Inter';
|
|
ctx.textAlign = 'center';
|
|
ctx.textBaseline = 'middle';
|
|
ctx.fillText(node.stateData.abbreviation, node.x, node.y);
|
|
})
|
|
.onNodeDragEnd((node) => {
|
|
node.fx = node.x;
|
|
node.fy = node.y;
|
|
})
|
|
.onNodeClick((node, _) => {
|
|
if (edgeFrom) {
|
|
connect(edgeFrom, node);
|
|
edgeFrom = null;
|
|
}
|
|
else if (edgeTo) {
|
|
connect(node, edgeTo);
|
|
edgeTo = null;
|
|
}
|
|
else
|
|
select(node);
|
|
closeMenuItem();
|
|
})
|
|
.onNodeRightClick((node, event) => {
|
|
openContextMenu(event.layerX, event.layerY, contextMenuSt);
|
|
closeContextMenus(contextMenuBg, contextMenuEd);
|
|
// contextMenuBg.style.display = contextMenuEd.style.display = 'none';
|
|
rightSelection = node;
|
|
closeMenuItem();
|
|
})
|
|
.onLinkClick((edge, _) => {
|
|
select(edge);
|
|
closeMenuItem();
|
|
})
|
|
.onLinkRightClick((edge, event) => {
|
|
openContextMenu(event.layerX, event.layerY, contextMenuEd);
|
|
closeContextMenus(contextMenuBg, contextMenuSt);
|
|
// contextMenuBg.style.display = contextMenuSt.style.display = 'none';
|
|
rightSelection = edge;
|
|
closeMenuItem();
|
|
})
|
|
.onBackgroundClick((_) => {
|
|
closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
|
|
deselect();
|
|
edgeFrom = edgeTo = rightSelection = null;
|
|
closeMenuItem();
|
|
})
|
|
.onBackgroundRightClick((event) => {
|
|
newStateCoords = wfGraph.screen2GraphCoords(event.layerX, event.layerY);
|
|
openContextMenu(event.layerX, event.layerY, contextMenuBg);
|
|
closeContextMenus(contextMenuEd, contextMenuSt);
|
|
// contextMenuEd.style.display = contextMenuSt.style.display = 'none';
|
|
edgeFrom = edgeTo = rightSelection = null;
|
|
closeMenuItem();
|
|
})
|
|
.autoPauseRedraw(false);
|
|
updateGraph();
|
|
}
|
|
//Keyboard commands
|
|
document.addEventListener('keydown', e => {
|
|
console.log(e.ctrlKey, e.key);
|
|
if (e.key === 'Escape') {
|
|
closeContextMenus(contextMenuEd, contextMenuSt, contextMenuBg);
|
|
closeMenuItem();
|
|
closeFileDisplay();
|
|
deselect();
|
|
rightSelection = null;
|
|
searchInput.blur();
|
|
}
|
|
else if (!e.ctrlKey)
|
|
return;
|
|
switch (e.key) {
|
|
case 'f':
|
|
e.preventDefault();
|
|
searchInput.focus();
|
|
openSearchMenu(searchContainer.parentElement);
|
|
break;
|
|
case 'o':
|
|
e.preventDefault();
|
|
openFileDisplay();
|
|
default:
|
|
break;
|
|
}
|
|
});
|