BoltDoc/entityRelationship.html at master · GeekBusinessLab/BoltDoc · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Entity Relationship</title>
<meta name="description" content="Interactive entity-relationship diagram or data model diagram implemented by GoJS in JavaScript for HTML." />
<!-- Copyright 1998-2018 by Northwoods Software Corporation. -->
<meta charset="UTF-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/gojs/1.8.32/go.js"></script>
<script src="./lib/goSamples.js"></script>  <!-- this is only for the GoJS Samples framework -->
<script id="code">
  function init() {
    // if (window.goSamples) 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",  // must name or refer to the DIV HTML element
        {
          initialContentAlignment: go.Spot.Center,
          allowDelete: false,
          allowCopy: false,
          layout: $(go.ForceDirectedLayout),
          "undoManager.isEnabled": true
        });

    // define several shared Brushes
    var bluegrad = $(go.Brush, "Linear", { 0: "rgb(150, 150, 250)", 0.5: "rgb(86, 86, 186)", 1: "rgb(86, 86, 186)" });
    var greengrad = $(go.Brush, "Linear", { 0: "rgb(158, 209, 159)", 1: "rgb(67, 101, 56)" });
    var redgrad = $(go.Brush, "Linear", { 0: "rgb(206, 106, 100)", 1: "rgb(180, 56, 50)" });
    var yellowgrad = $(go.Brush, "Linear", { 0: "rgb(254, 221, 50)", 1: "rgb(254, 182, 50)" });
    var lightgrad = $(go.Brush, "Linear", { 1: "#E6E6FA", 0: "#FFFAF0" });

    // the template for each attribute in a node's array of item data
    var itemTempl =
      $(go.Panel, "Horizontal",
        $(go.Shape,
          { desiredSize: new go.Size(10, 10) },
          new go.Binding("figure", "figure"),
          new go.Binding("fill", "color")),
        $(go.TextBlock,
          { stroke: "#333333",
            font: "bold 14px sans-serif" },
          new go.Binding("text", "name"))
      );

    // define the Node template, representing an entity
    myDiagram.nodeTemplate =
      $(go.Node, "Auto",  // the whole node panel
        { selectionAdorned: true,
          resizable: true,
          layoutConditions: go.Part.LayoutStandard & ~go.Part.LayoutNodeSized,
          fromSpot: go.Spot.AllSides,
          toSpot: go.Spot.AllSides,
          isShadowed: true,
          shadowColor: "#C5C1AA" },
        new go.Binding("location", "location").makeTwoWay(),
        // whenever the PanelExpanderButton changes the visible property of the "LIST" panel,
        // clear out any desiredSize set by the ResizingTool.
        new go.Binding("desiredSize", "visible", function(v) { return new go.Size(NaN, NaN); }).ofObject("LIST"),
        // define the node's outer shape, which will surround the Table
        $(go.Shape, "Rectangle",
          { fill: lightgrad, stroke: "#756875", strokeWidth: 3 }),
        $(go.Panel, "Table",
          { margin: 8, stretch: go.GraphObject.Fill },
          $(go.RowColumnDefinition, { row: 0, sizing: go.RowColumnDefinition.None }),
          // the table header
          $(go.TextBlock,
            {
              row: 0, alignment: go.Spot.Center,
              margin: new go.Margin(0, 14, 0, 2),  // leave room for Button
              font: "bold 16px sans-serif"
            },
            new go.Binding("text", "key")),
          // the collapse/expand button
          $("PanelExpanderButton", "LIST",  // the name of the element whose visibility this button toggles
            { row: 0, alignment: go.Spot.TopRight }),
          // the list of Panels, each showing an attribute
          $(go.Panel, "Vertical",
            {
              name: "LIST",
              row: 1,
              padding: 3,
              alignment: go.Spot.TopLeft,
              defaultAlignment: go.Spot.Left,
              stretch: go.GraphObject.Horizontal,
              itemTemplate: itemTempl
            },
            new go.Binding("itemArray", "items"))
        )  // end Table Panel
      );  // end Node

    // define the Link template, representing a relationship
    myDiagram.linkTemplate =
      $(go.Link,  // the whole link panel
        {
          selectionAdorned: true,
          layerName: "Foreground",
          reshapable: true,
          routing: go.Link.AvoidsNodes,
          corner: 5,
          curve: go.Link.JumpOver
        },
        $(go.Shape,  // the link shape
          { stroke: "#303B45", strokeWidth: 2.5 }),
        $(go.TextBlock,  // the "from" label
          {
            textAlign: "center",
            font: "bold 14px sans-serif",
            stroke: "#1967B3",
            segmentIndex: 0,
            segmentOffset: new go.Point(NaN, NaN),
            segmentOrientation: go.Link.OrientUpright
          },
          new go.Binding("text", "text")),
        $(go.TextBlock,  // the "to" label
          {
            textAlign: "center",
            font: "bold 14px sans-serif",
            stroke: "#1967B3",
            segmentIndex: -1,
            segmentOffset: new go.Point(NaN, NaN),
            segmentOrientation: go.Link.OrientUpright
          },
          new go.Binding("text", "toText"))
      );

    // create the model for the E-R diagram
    // var nodeDataArray = [
    //   { key: "Products",
    //     items: [ { name: "ProductID", iskey: true, figure: "Decision", color: yellowgrad },
    //              { name: "ProductName", iskey: false, figure: "Cube1", color: bluegrad },
    //              { name: "SupplierID", iskey: false, figure: "Decision", color: "purple" },
    //              { name: "CategoryID", iskey: false, figure: "Decision", color: "purple" } ] },
    //   { key: "Suppliers",
    //     items: [ { name: "SupplierID", iskey: true, figure: "Decision", color: yellowgrad },
    //              { name: "CompanyName", iskey: false, figure: "Cube1", color: bluegrad },
    //              { name: "ContactName", iskey: false, figure: "Cube1", color: bluegrad },
    //              { name: "Address", iskey: false, figure: "Cube1", color: bluegrad } ] },
    //   { key: "Categories",
    //     items: [ { name: "CategoryID", iskey: true, figure: "Decision", color: yellowgrad },
    //              { name: "CategoryName", iskey: false, figure: "Cube1", color: bluegrad },
    //              { name: "Description", iskey: false, figure: "Cube1", color: bluegrad },
    //              { name: "Picture", iskey: false, figure: "TriangleUp", color: redgrad } ] },
    //   { key: "Order Details",
    //     items: [ { name: "OrderID", iskey: true, figure: "Decision", color: yellowgrad },
    //              { name: "ProductID", iskey: true, figure: "Decision", color: yellowgrad },
    //              { name: "UnitPrice", iskey: false, figure: "MagneticData", color: greengrad },
    //              { name: "Quantity", iskey: false, figure: "MagneticData", color: greengrad },
    //              { name: "Discount", iskey: false, figure: "MagneticData", color: greengrad } ] },
    // ];
    // var linkDataArray = [
    //   { from: "Products", to: "Suppliers", text: "0..N", toText: "1" },
    //   { from: "Products", to: "Categories", text: "0..N", toText: "1" },
    //   { from: "Order Details", to: "Products", text: "0..N", toText: "1" }
    // ];

    const handleFileSelect = (evt) => {
      const file = evt.target.files[0]; // FileList object

      console.log(file);

      const nodeDataArray = [];
      const linkDataArray = [];

      const fileReader = new FileReader();

      let regras;

      fileReader.addEventListener('load', (evt) => {
        // console.log(event.target.result);
        regras = JSON.parse(evt.target.result);
        console.log(regras);

        for(const chave in regras.rules){
          if(regras.rules.hasOwnProperty(chave)){
            const colecao = {
              key: chave,
              items: []
            };

            let chave_objeto;
            let chave_objeto_id;
            let chave_associacao_id;
            const chaves_propria = Object.keys(regras.rules[chave]);
            for(let i = 0; i < chaves_propria.length; i++){
              if(chaves_propria[i].startsWith('$')){
                chave_objeto = chaves_propria[i];
                console.log('CH ', chave_objeto);
                chave_objeto_id = chave_objeto.split('_id')[0].split('$')[1];
                console.log('CO ', chave_objeto_id);
                break;
              }
            }

            const items_obj = regras.rules[chave][chave_objeto];

            for(const item in items_obj){
              if(items_obj.hasOwnProperty(item) && !item.startsWith('.') && !item.startsWith('$')){
                colecao.items.push({
                  name: item,
                  iskey: false,
                  figure: "Decision",
                  color: yellowgrad
                });
              } else if(item.startsWith('$') && item.endsWith('_id')) {
                chave_associacao_id = item.split('_id')[0].split('$')[1];;
              }
            }

            if (chave !== chave_objeto_id){
              console.log('EX CHAVE 1 ', chave, ' CHAVE 2 ', chave_objeto_id);
              linkDataArray.push({
                from: chave,
                to: chave_objeto_id,
                //text: "0..N",
                //toText: "1"
              });
            }

            if (chave_associacao_id !== undefined) {
              console.log('AS CHAVE 1 ', chave, ' CHAVE 2 ', chave_associacao_id);
              linkDataArray.push({
                from: chave,
                to: chave_associacao_id,
                //text: "0..N",
                //toText: "1"
              });
            }

            nodeDataArray.push(colecao);
          }
        }

        myDiagram.model = new go.GraphLinksModel(nodeDataArray, linkDataArray);
      });
      fileReader.readAsText(file);
    }

    document.getElementById('file').addEventListener('change', handleFileSelect, false);
  }
</script>
</head>
<body onload="init()">

<div id="sample">

  <input type="file" id="file" name="files[]" />

  <div id="myDiagramDiv" style="background-color: white; border: solid 1px black; width: 100%; height: 700px"></div>

</div>
</body>
</html>