markgojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
259 lines (258 loc) • 13.3 kB
JavaScript
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go", "./PortShiftingTool", "./Figures"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/
var go = require("../release/go");
var PortShiftingTool_1 = require("./PortShiftingTool");
require("./Figures");
var red = "orangered"; // 0 or false
var green = "forestgreen"; // 1 or true
var myDiagram;
function init() {
if (typeof window["goSamples"] === 'function')
window["goSamples"](); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make; // for conciseness in defining templates
myDiagram =
$(go.Diagram, "myDiagramDiv", // create a new Diagram in the HTML DIV element "myDiagramDiv"
{
initialContentAlignment: go.Spot.Center,
allowDrop: true,
"draggingTool.isGridSnapEnabled": true,
"undoManager.isEnabled": true
});
// install the PortShiftingTool as a "mouse move" tool
myDiagram.toolManager.mouseMoveTools.insertAt(0, new PortShiftingTool_1.PortShiftingTool());
// when the document is modified, add a "*" to the title and enable the "Save" button
myDiagram.addDiagramListener("Modified", function (e) {
var button = document.getElementById("saveModel");
if (button)
button.disabled = !myDiagram.isModified;
var idx = document.title.indexOf("*");
if (myDiagram.isModified) {
if (idx < 0)
document.title += "*";
}
else {
if (idx >= 0)
document.title = document.title.substr(0, idx);
}
});
var palette = new go.Palette("palette"); // create a new Palette in the HTML DIV element "palette"
// creates relinkable Links that will avoid crossing Nodes when possible and will jump over other Links in their paths
myDiagram.linkTemplate =
$(go.Link, {
routing: go.Link.AvoidsNodes,
curve: go.Link.JumpOver,
corner: 3,
relinkableFrom: true, relinkableTo: true,
selectionAdorned: false,
shadowOffset: new go.Point(0, 0), shadowBlur: 5, shadowColor: "blue",
}, new go.Binding("isShadowed", "isSelected").ofObject(), $(go.Shape, { name: "SHAPE", strokeWidth: 2, stroke: red }));
// node template helpers
var sharedToolTip = $(go.Adornment, "Auto", $(go.Shape, "RoundedRectangle", { fill: "lightyellow" }), $(go.TextBlock, { margin: 2 }, new go.Binding("text", "", function (d) { return d.category; })));
// define some common property settings
function nodeStyle() {
return [new go.Binding("location", "loc", go.Point.parse).makeTwoWay(go.Point.stringify),
new go.Binding("isShadowed", "isSelected").ofObject(),
{
selectionAdorned: false,
shadowOffset: new go.Point(0, 0),
shadowBlur: 15,
shadowColor: "blue",
resizable: true,
resizeObjectName: "NODESHAPE",
toolTip: sharedToolTip
}];
}
function shapeStyle() {
return {
name: "NODESHAPE",
fill: "lightgray",
stroke: "darkslategray",
desiredSize: new go.Size(40, 40),
strokeWidth: 2
};
}
function portStyle(input) {
return {
desiredSize: new go.Size(6, 6),
fill: "black",
fromSpot: go.Spot.Right,
fromLinkable: !input,
toSpot: go.Spot.Left,
toLinkable: input,
toMaxLinks: 1,
cursor: "pointer"
};
}
// define templates for each type of node
var inputTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "Circle", shapeStyle(), { fill: red }), // override the default fill (from shapeStyle()) to be red
$(go.Shape, "Rectangle", portStyle(false), // the only port
{ portId: "", alignment: new go.Spot(1, 0.5) }), {
doubleClick: function (e, obj) {
e.diagram.startTransaction("Toggle Input");
var shp = obj.findObject("NODESHAPE");
shp.fill = (shp.fill === green) ? red : green;
updateStates();
e.diagram.commitTransaction("Toggle Input");
}
});
var outputTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "Rectangle", shapeStyle(), { fill: green }), // override the default fill (from shapeStyle()) to be green
$(go.Shape, "Rectangle", portStyle(true), // the only port
{ portId: "", alignment: new go.Spot(0, 0.5) }));
var andTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "AndGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var orTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "OrGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0.16, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0.16, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var xorTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "XorGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0.26, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0.26, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var norTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "NorGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0.16, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0.16, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var xnorTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "XnorGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0.26, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0.26, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var nandTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "NandGate", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in1", alignment: new go.Spot(0, 0.3) }), $(go.Shape, "Rectangle", portStyle(true), { portId: "in2", alignment: new go.Spot(0, 0.7) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
var notTemplate = $(go.Node, "Spot", nodeStyle(), $(go.Shape, "Inverter", shapeStyle()), $(go.Shape, "Rectangle", portStyle(true), { portId: "in", alignment: new go.Spot(0, 0.5) }), $(go.Shape, "Rectangle", portStyle(false), { portId: "out", alignment: new go.Spot(1, 0.5) }));
// add the templates created above to myDiagram and palette
myDiagram.nodeTemplateMap.add("input", inputTemplate);
myDiagram.nodeTemplateMap.add("output", outputTemplate);
myDiagram.nodeTemplateMap.add("and", andTemplate);
myDiagram.nodeTemplateMap.add("or", orTemplate);
myDiagram.nodeTemplateMap.add("xor", xorTemplate);
myDiagram.nodeTemplateMap.add("not", notTemplate);
myDiagram.nodeTemplateMap.add("nand", nandTemplate);
myDiagram.nodeTemplateMap.add("nor", norTemplate);
myDiagram.nodeTemplateMap.add("xnor", xnorTemplate);
// share the template map with the Palette
palette.nodeTemplateMap = myDiagram.nodeTemplateMap;
palette.model.nodeDataArray = [
{ category: "input" },
{ category: "output" },
{ category: "and" },
{ category: "or" },
{ category: "xor" },
{ category: "not" },
{ category: "nand" },
{ category: "nor" },
{ category: "xnor" }
];
// load the initial diagram
load();
// continually update the diagram
loop();
}
exports.init = init;
// update the diagram every 250 milliseconds
function loop() {
setTimeout(function () { updateStates(); loop(); }, 250);
}
// update the value and appearance of each node according to its type and input values
function updateStates() {
var oldskip = myDiagram.skipsUndoManager;
myDiagram.skipsUndoManager = true;
// do all "input" nodes first
myDiagram.nodes.each(function (node) {
if (node.category === "input") {
doInput(node);
}
});
// now we can do all other kinds of nodes
myDiagram.nodes.each(function (node) {
switch (node.category) {
case "and":
doAnd(node);
break;
case "or":
doOr(node);
break;
case "xor":
doXor(node);
break;
case "not":
doNot(node);
break;
case "nand":
doNand(node);
break;
case "nor":
doNor(node);
break;
case "xnor":
doXnor(node);
break;
case "output":
doOutput(node);
break;
case "input": break; // doInput already called, above
}
});
myDiagram.skipsUndoManager = oldskip;
}
// helper predicate
function linkIsTrue(link) {
return link.findObject("SHAPE").stroke === green;
}
// helper function for propagating results
function setOutputLinks(node, color) {
node.findLinksOutOf().each(function (link) { link.findObject("SHAPE").stroke = color; });
}
// update nodes by the specific function for its type
// determine the color of links coming out of this node based on those coming in and node type
function doInput(node) {
// the output is just the node's Shape.fill
setOutputLinks(node, node.findObject("NODESHAPE").fill);
}
function doAnd(node) {
var color = node.findLinksInto().all(linkIsTrue) ? green : red;
setOutputLinks(node, color);
}
function doNand(node) {
var color = !node.findLinksInto().all(linkIsTrue) ? green : red;
setOutputLinks(node, color);
}
function doNot(node) {
var color = !node.findLinksInto().all(linkIsTrue) ? green : red;
setOutputLinks(node, color);
}
function doOr(node) {
var color = node.findLinksInto().any(linkIsTrue) ? green : red;
setOutputLinks(node, color);
}
function doNor(node) {
var color = !node.findLinksInto().any(linkIsTrue) ? green : red;
setOutputLinks(node, color);
}
function doXor(node) {
var truecount = 0;
node.findLinksInto().each(function (link) { if (linkIsTrue(link))
truecount++; });
var color = truecount % 2 === 0 ? green : red;
setOutputLinks(node, color);
}
function doXnor(node) {
var truecount = 0;
node.findLinksInto().each(function (link) { if (linkIsTrue(link))
truecount++; });
var color = truecount % 2 !== 0 ? green : red;
setOutputLinks(node, color);
}
function doOutput(node) {
// assume there is just one input link
// we just need to update the node's Shape.fill
node.linksConnected.each(function (link) { node.findObject("NODESHAPE").fill = link.findObject("SHAPE").stroke; });
}
// save a model to and load a model from Json text, displayed below the Diagram
function save() {
document.getElementById("mySavedModel").value = myDiagram.model.toJson();
myDiagram.isModified = false;
}
exports.save = save;
function load() {
myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
}
exports.load = load;
});