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HTML

              
                <div id="app">
  <div class="stencil-container"></div>
  <div class="tooltip-container"></div>
  <div class="paper-container"></div>
</div>

<a target="_blank" href="https://www.jointjs.com">
  <img id="logo" src="https://assets.codepen.io/7589991/jj-logo-red.svg" width="200" height="50"></img>
</a>
              
            
!

CSS

              
                body,
html {
  margin: 0;
}

#logo {
  position: absolute;
  bottom: 20px;
  right: 0;
}

#app {
  .stencil-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 150px;
    bottom: 0;
    z-index: 100;
    .joint-stencil {
      box-shadow: 0 0 5px 5px #cbd4da;
      border-right: 1px solid #b5c0c9;
    }

    .joint-cell * {
      cursor: grab;
    }
  }

  .paper-container {
    position: absolute;
    right: 0;
    top: 0;
    left: 150px;
    bottom: 0;
  }

  .tooltip-container {
    position: absolute;
    right: 0;
    top: 10px;
    left: 150px;
    bottom: 10px;

    .joint-tooltip {
      box-shadow: 4px 4px 12px #cbd4da;
      border: 1px solid #b5c0c9;
      background: white;
      text-align: center;
      width: 300px !important;
      font-family: sans-serif;
      .tooltip-content {
        .joint-paper {
          margin: 10px auto;
          [joint-selector="body"],
          [joint-selector="line"] {
            filter: drop-shadow(1px 4px 4px rgba(0, 0, 0, 0.2));
          }
        }

        h2 {
          border-top: 1px solid #b5c0c9;
          padding-top: 10px;
        }
      }

      &.left {
        .tooltip-arrow {
          border-right-color: #b5c0c9;
          left: -16px;
        }

        .tooltip-arrow-mask {
          left: -12px;
          border-right-color: white;
          background: transparent;
        }
      }
    }
  }
}

              
            
!

JS

              
                const { dia, ui, util, shapes, layout } = joint;

// Define colors

const GRID_SIZE = 20;
const SHAPES_GAP = 20;

const colors = {
  shape: "#ED2637",
  canvas: "#DDE6E9",
  stencil: "#F2F5F8"
};

const elementsJSON = [
  {
    type: "standard.Rectangle",
    size: { width: 60, height: 40 },
    name: "Rectangle",
    attrs: {
      body: {
        stroke: colors.shape
      }
    }
  },
  {
    type: "standard.Rectangle",
    size: { width: 60, height: 40 },
    name: "Rounded Rectangle",
    attrs: {
      body: {
        rx: 10,
        ry: 10,
        stroke: colors.shape
      }
    }
  },
  {
    type: "standard.Circle",
    size: { width: 40, height: 40 },
    name: "Circle",
    attrs: {
      body: {
        stroke: colors.shape
      }
    }
  },
  {
    type: "standard.Ellipse",
    size: { width: 60, height: 40 },
    name: "Ellipse",
    attrs: {
      body: {
        stroke: colors.shape
      }
    }
  },
  {
    // Triangle pointing up
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Triangle Up",
    attrs: {
      body: {
        d: "M calc(0.5*w) 0 calc(w) calc(h) H 0 Z",
        stroke: colors.shape
      }
    }
  },
  {
    // Triangle pointing down
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Triangle Down",
    attrs: {
      body: {
        d: "M 0 0 L calc(w) 0 calc(0.5*w) calc(h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // Triangle with Curved Sides
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Triangle Curved",
    attrs: {
      body: {
        refD: null,
        d:
          "M calc(w / 2) calc(h) L 0 calc(h / 2) A calc(w / 2) calc(h / 2) 0 0 1 calc(w / 2) 0 A calc(w / 2) calc(h / 2) 0 0 1 calc(w) calc(h / 2) Z",
        stroke: colors.shape
      }
    },
    keywords: ["triangle", "curved"]
  },
  {
    // Rhombus
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Rhombus",
    attrs: {
      body: {
        d:
          "M calc(0.5*w) 0 calc(w) calc(0.5*h) calc(0.5*w) calc(h) 0 calc(0.5*h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // Pentagon
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Pentagon",
    attrs: {
      body: {
        d: `
                      M calc(0.75*w) 0
                      L calc(w) calc(0.5*h)
                      L calc(0.5*w) calc(h)
                      L 0 calc(0.5*h)
                      L calc(0.25*w) 0
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Hexagon
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Hexagon",
    attrs: {
      body: {
        d:
          "M 0 calc(0.5*h) L calc(0.25*w) 0 calc(0.75*w) 0 calc(w) calc(0.5*h) calc(0.75*w) calc(h) calc(0.25*w) calc(h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // Octagon
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Octagon",
    attrs: {
      body: {
        d:
          "M calc(0.3*w) 0 L calc(0.7*w) 0 calc(w) calc(0.3*h) calc(w) calc(0.7*h) calc(0.7*w) calc(h) calc(0.3*w) calc(h) 0 calc(0.7*h) 0 calc(0.3*h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // Parallelogram
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Parallelogram",
    attrs: {
      body: {
        d: `
                      M calc(0.3*w) 0
                      L calc(w) 0
                      L calc(0.7*w) calc(h)
                      L 0 calc(h)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Trapezoid
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Trapezoid",
    attrs: {
      body: {
        d: `
                      M calc(0.2*w) 0
                      L calc(0.8*w) 0
                      L calc(w) calc(h)
                      L 0 calc(h)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Star
    type: "standard.Path",
    size: { width: 40, height: 40 },
    name: "Star",
    attrs: {
      body: {
        d: `
                      M calc(0.5*w) 0
                      L calc(0.61*w) calc(0.25*h)
                      L calc(w) calc(0.3*h)
                      L calc(0.7*w) calc(0.5*h)
                      L calc(0.75*w) calc(0.79*h)
                      L calc(0.5*w) calc(0.65*h)
                      L calc(0.25*w) calc(0.79*h)
                      L calc(0.3*w) calc(0.5*h)
                      L 0 calc(0.3*h)
                      L calc(0.39*w) calc(0.25*h)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Cross
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Cross",
    attrs: {
      body: {
        d: `
                      M calc(0.3*w) 0
                      L calc(0.7*w) 0
                      V calc(0.3*h)
                      L calc(w) calc(0.3*h)
                      L calc(w) calc(0.7*h)
                      H calc(0.7*w)
                      L calc(0.7*w) calc(h)
                      L calc(0.3*w) calc(h)
                      V calc(0.7*h)
                      L 0 calc(0.7*h)
                      L 0 calc(0.3*h)
                      H calc(0.3*w)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Arrow
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Arrow",
    attrs: {
      body: {
        d: `
                      M 0 calc(0.5*h)
                      L calc(0.5*w) 0
                      L calc(w) calc(0.5*h)
                      L calc(0.8*w) calc(0.5*h)
                      L calc(0.8*w) calc(h)
                      L calc(0.2*w) calc(h)
                      L calc(0.2*w) calc(0.5*h)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Pentagon with Curved Sides
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Pentagon Curved",
    attrs: {
      body: {
        d: `
                      M 0 calc(0.62*h)
                      Q calc(0.2*w) calc(0.15*h) calc(0.5*w) 0
                      Q calc(0.8*w) calc(0.15*h) calc(w) calc(0.62*h)
                      L calc(0.77*w) calc(h)
                      L calc(0.23*w) calc(h)
                      Z
                  `,
        stroke: colors.shape
      }
    }
  },
  {
    // Right-Angle Triangle
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "Triangle Right-Angle",
    attrs: {
      body: {
        strokeLinejoin: "butt",
        d: "M 0 calc(h) L calc(w) calc(h) L 0 0 Z",
        stroke: colors.shape
      }
    }
  },
  {
    // L-shape 1
    type: "standard.Path",
    size: { width: 40, height: 40 },
    name: "L-shape 1",
    attrs: {
      body: {
        d:
          "M 0 0 L calc(w/2) 0 L calc(w/2) calc(h/2) L calc(w) calc(h/2) L calc(w) calc(h) L 0 calc(h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // L-shape 2
    type: "standard.Path",
    size: { width: 40, height: 40 },
    name: "L-shape 2",
    attrs: {
      body: {
        d:
          "M 0 0 L calc(w) 0 L calc(w) calc(h/2) L calc(w/2) calc(h/2) L calc(w/2) calc(h) L 0 calc(h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // L-shape 3
    type: "standard.Path",
    size: { width: 40, height: 40 },
    name: "L-shape 3",
    attrs: {
      body: {
        d:
          "M 0 0 L calc(w) 0 L calc(w) calc(h) L calc(w/2) calc(h) L calc(w/2) calc(h/2) L 0 calc(h/2) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // L-shape 4
    type: "standard.Path",
    size: { width: 40, height: 40 },
    name: "L-shape 4",
    attrs: {
      body: {
        d:
          "M calc(w / 2) 0 L calc(w) 0 L calc(w) calc(h) L 0 calc(h) L 0 calc(h / 2) L calc(w / 2) calc(h / 2) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // U-shape 1
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "U-shape 1",
    attrs: {
      body: {
        d:
          "M 0 0 calc(w / 3) 0 calc(w / 3) calc(h / 2) calc(2 * w / 3) calc(h / 2) calc(2 * w / 3) 0 calc(w) 0 calc(w) calc(h) 0 calc(h) Z",
        stroke: colors.shape
      }
    }
  },
  {
    // U-shape 2
    type: "standard.Path",
    size: { width: 60, height: 40 },
    name: "U-shape 2",
    attrs: {
      body: {
        d:
          "M 0 0 0 calc(h) calc(w / 3) calc(h) calc(w / 3) calc(h / 2) calc(2 * w / 3) calc(h / 2) calc(2 * w / 3) calc(h) calc(w) calc(h) calc(w) 0 Z",
        stroke: colors.shape
      }
    }
  }
];

const linksJSON = [
  {
    type: "standard.Link",
    name: "Link",
    attrs: {
      line: {
        stroke: colors.shape
      }
    }
  },
  {
    type: "standard.DoubleLink",
    name: "Outline Link",
    attrs: {
      line: {
        stroke: "#FFFFFF",
        targetMarker: {
          stroke: colors.shape
        }
      },
      outline: {
        stroke: colors.shape
      }
    }
  },
  {
    type: "standard.ShadowLink",
    name: "Shadow Link",
    attrs: {
      line: {
        stroke: colors.shape
      }
    }
  }
];

const init = (rootEl) => {
  // Initiate the graph and the paper

  const graph = new dia.Graph({}, { cellNamespace: shapes });

  const paper = new dia.Paper({
    model: graph,
    cellViewNamespace: shapes,
    width: "100%",
    height: "100%",
    gridSize: GRID_SIZE,
    drawGrid: { name: "mesh" },
    async: true,
    sorting: dia.Paper.sorting.APPROX,
    background: { color: colors.canvas }
  });

  rootEl.querySelector(".paper-container").append(paper.el);

  // Initiate the stencil

  const stencil = new ui.Stencil({
    paper: paper,
    width: "100%",
    height: "100%",
    usePaperGrid: true,
    paperOptions: () => {
      return {
        async: true,
        autoFreeze: true,
        sorting: dia.Paper.sorting.NONE,
        model: new dia.Graph({}, { cellNamespace: shapes }),
        cellViewNamespace: shapes,
        background: { color: colors.stencil }
      };
    },
    dragEndClone: (cell) => {
      const clone = cell.clone();
      const labelOffset = GRID_SIZE - 4;
      if (clone.isLink()) {
        clone.set("labels", [
          {
            attrs: {
              labelText: {
                text: "Label",
                textAnchor: "middle",
                textVerticalAnchor: "top",
                fontFamily: "sans-serif",
                fontSize: 12,
                stroke: colors.canvas,
                strokeWidth: 4,
                paintOrder: "stroke"
              }
            },
            position: {
              distance: 0.5,
              offset: -labelOffset
            },
            markup: util.svg`
                    <text @selector="labelText" />
                `
          }
        ]);
      } else {
        // cell is an element
        clone.attr("label", {
          text: cell.get("name"),
          refY: null,
          y: -labelOffset,
          textVerticalAnchor: "top",
          fontFamily: "sans-serif",
          fontSize: 12,
          stroke: colors.canvas,
          strokeWidth: 4,
          paintOrder: "stroke"
        });
      }
      // clean the name from the main graph model
      clone.unset("name");
      return clone;
    }
  });

  stencil.render();
  rootEl.querySelector(".stencil-container").appendChild(stencil.el);

  // Load the elements into the stencil

  function layoutStencilGroup(stencil, groupName) {
    const graph = stencil.getGraph(groupName);
    const paper = stencil.getPaper(groupName);
    // Position the elements in a grid layout.
    const layoutResult = layout.GridLayout.layout(graph.getElements(), {
      columns: 3,
      rowGap: SHAPES_GAP,
      columnGap: SHAPES_GAP,
      columnWidth: "auto",
      rowHeight: "auto"
    });
    // Position the links under the elements.
    // It's one link on per row.
    graph.getLinks().reduce((previousY, link) => {
      const linkY = previousY + 2 * SHAPES_GAP;
      link.source({ x: layoutResult.bbox.x, y: linkY });
      link.target({
        x: layoutResult.bbox.x + layoutResult.bbox.width,
        y: linkY
      });
      return linkY;
    }, layoutResult.bbox.y + layoutResult.bbox.height);

    // We want to fit the content of the paper
    // by the width of the stencil container only
    const fittingBBox = paper.getArea().clone();
    fittingBBox.height = Infinity;
    // Scale the paper, so the elements fit into the container
    // It does not change the size of the paper (which covers the whole stencil container)
    paper.transformToFitContent({
      padding: 10,
      useModelGeometry: true,
      fittingBBox
    });
  }

  stencil.load([...elementsJSON, ...linksJSON]);
  // Note: we don't use groups in this demo.
  layoutStencilGroup(stencil, null);

  // Initiate tooltips

  // We create a single tooltip paper that will be reused for all tooltips
  const tooltipGraph = new dia.Graph({}, { cellNamespace: shapes });
  const tooltipPaper = new dia.Paper({
    model: tooltipGraph,
    cellViewNamespace: shapes,
    width: 200,
    height: 120,
    async: true,
    autoFreeze: true,
    overflow: true,
    sorting: dia.Paper.sorting.NONE
  });

  const buildTooltipContent = (cell) => {
    // Add a copy of the cell to the tooltip graph
    // Note: We don't have to care about the position of the cell
    // because the tooltip paper will be transformed to fit the cell
    tooltipGraph.resetCells([cell.clone()]);

    const heading = document.createElement("h2");
    heading.append(document.createTextNode(cell.get("name")));

    const documentFragment = document.createDocumentFragment();
    documentFragment.append(tooltipPaper.el, heading);

    // We add an extra info about the size of the element
    if (cell.isElement()) {
      const { width, height } = cell.get("size");
      const descriptionText = `Size: ${width / GRID_SIZE} x ${
        height / GRID_SIZE
      }`;
      const description = document.createElement("p");
      description.append(document.createTextNode(descriptionText));
      documentFragment.append(description);
    }

    tooltipPaper.transformToFitContent({
      padding: 5,
      // Note: links can have 0 height
      // so we need to inflate the bbox a bit
      contentArea: cell.getBBox().inflate(1),
      verticalAlign: "middle",
      horizontalAlign: "middle"
    });

    return documentFragment;
  };

  let isDragging = false;

  const tooltip = new ui.Tooltip({
    target: "[model-id]",
    rootTarget: stencil.el,
    // Tooltip container denotes the area where the tooltip can be shown
    // It's adding a padding on the top and the bottom of the paper area.
    container: rootEl.querySelector(".tooltip-container"),
    content: (el) => {
      if (isDragging) {
        // Do not show tooltip when dragging an element
        return false;
      }
      const view = stencil.getPaper().findView(el);
      if (!view) {
        // The view should be always found
        return false;
      }
      return buildTooltipContent(view.model);
    },
    position: "left",
    positionSelector: ".joint-stencil",
    padding: 10
  });

  stencil.on({
    "element:dragstart": () => {
      isDragging = true;
    },
    "element:dragend": () => {
      isDragging = false;
    }
  });

  return () => {
    // Clean up
    // Only views have to be removed from the DOM (to release the memory
    // from the event listeners and detached DOM elements)
    paper.remove();
    tooltip.remove();
    tooltipPaper.remove();
    stencil.remove();
  };
};

const destroy = init(document.getElementById("app"));
// destroy();

              
            
!
999px

Console