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jQuery Diagram - Templates

The Diagram UI component allows you to create templates for shapes and their presentation in the toolbox.

IMPORTANT
  • Template content must be presented as SVG elements.

  • We recommend that you do not use the foreignObject element to define template content (Safari does not support this element).

Shape Template

Use the following properties to create a shape template:

  • The customShapeTemplate property defines a common template for all shapes in the UI component.
  • The template property defines a template for an individual shape.
NOTE

If the textExpr option is specified, template content may overlap with text from the data source.

Since the textExpr option has the default value 'text', the widget will obtain node texts from the data source’s 'text' field. To prevent his behavior, set the option to an empty string: nodes: { textExpr: "", ....

View Demo

jQuery
index.js
$(function() {
    var diagram = $("#diagram").dxDiagram({
        customShapeTemplate: function(item, $container) {
            var employee = item.dataItem;
            var $content = $("<svg class='template'>" +
                "<text class='template-name' x='50%' y='20%'>" + (employee ? employee.Full_Name : "Employee's Name") + "</text>" +
                "<text class='template-title' x='50%' y='45%'>" + (employee ? employee.Title : "Employee's Title") + "</text>" +
                "<text class='template-button' id='employee-edit' x='40%' y='85%'>Edit</text>" +
                "<text class='template-button' id='employee-delete' x='62%' y='85%'>Delete</text>" +
                "</svg >");
            $container.append($content);
            $content.find("#employee-edit").click(function() { editEmployee(employee); });
            $content.find("#employee-delete").click(function() { deleteEmployee(employee); });
        },
        ...
Angular
app.component.html
<dx-diagram id="diagram" #diagram customShapeTemplate="customShapeTemplate">
    <svg *dxTemplate="let item of 'customShapeTemplate'" class="template">
        <text class="template-name" x="50%" y="20%">{{item.dataItem ? item.dataItem.Full_Name : "Employee's Name"}}</text>
        <text class="template-title" x="50%" y="45%">{{item.dataItem ? item.dataItem.Title : "Employee's Title"}}</text>
        <text class="template-button" x="40%" y="85%" (click)="editEmployee(item.dataItem)">Edit</text>
        <text class="template-button" x="62%" y="85%" (click)="deleteEmployee(item.dataItem)">Delete</text>
    </svg>
    ...
Vue
App.vue
CustomShapeTemplate.vue
<DxDiagram
  id="diagram"
  ref="diagram"
  custom-shape-template="CustomShapeTemplate"
>
  <template #CustomShapeTemplate="{ data }">
    <CustomShapeTemplate
      :employee="data.dataItem"
      :edit-employee="editEmployee"
      :delete-employee="deleteEmployee"
    />
  </template>
  ...
<template>
<svg class="template">
    <text
    class="template-name"
    x="50%"
    y="20%"
    >
    {{ employeeName }}
    </text>
    <text
    class="template-title"
    x="50%"
    y="45%"
    >
    {{ employeeTitle }}
    </text>
    <text
    class="template-button"
    x="40%"
    y="85%"
    @click="editEmployeeFunc"
    >
    Edit
    </text>
    <text
    class="template-button"
    x="62%"
    y="85%"
    @click="deleteEmployeeFunc"
    >
    Delete
    </text>
</svg>
</template>
...
React
App.js
CustomShapeTemplate.js
import Diagram, { CustomShape, ContextToolbox, PropertiesPanel, Group, Tab, Toolbox, Nodes, AutoLayout } from 'devextreme-react/diagram';
import CustomShapeTemplate from './CustomShapeTemplate.js';

class App extends React.Component {
constructor(props) {
    this.diagramRef = React.createRef();
    this.customShapeTemplate = this.customShapeTemplate.bind(this);
    ...
}

render() {
    return (
    <div id="container">
        <Diagram id="diagram" ref={this.diagramRef} customShapeRender={this.customShapeTemplate}>
        ...
export default function CustomShapeTemplate(employee, editEmployee, deleteEmployee) {
    var employeeName = employee ? employee.Full_Name : 'Employee\'s Name';
    var employeeTitle = employee ? employee.Title : 'Employee\'s Title';
    return (
        <svg className="template">
        <text className="template-name" x="50%" y="20%">{employeeName}</text>
        <text className="template-title" x="50%" y="45%">{employeeTitle}</text>
        <text className="template-button" x="40%" y="85%" onClick={editEmployee}>Edit</text>
        <text className="template-button" x="62%" y="85%" onClick={deleteEmployee}>Delete</text>
        </svg>
    );
}
ASP.NET Core Controls
CustomShapesWithTemplatesWithEditing.cshtml
@(Html.DevExtreme().Diagram()
    .ID("diagram")
    .CustomShapeTemplate(@<text>
        <svg class="template">
            <text class="template-name" x="50%" y="20%"><%- dataItem ? dataItem.FullName : "Employee's Name" %></text>
            <text class="template-title" x="50%" y="45%"><%- dataItem ? dataItem.Title : "Employee's Title" %></text>
            <text class="template-button" x="40%" y="85%" onclick="editEmployee(<%- dataItem && JSON.stringify(dataItem) %>)">Edit</text>
            <text class="template-button" x="62%" y="85%" onclick="deleteEmployee(<%- dataItem && JSON.stringify(dataItem) %>)">Delete</text>
        </svg>
        </text>)
    ...
ASP.NET MVC Controls
CustomShapesWithTemplatesWithEditing.cshtml
@(Html.DevExtreme().Diagram()
    .ID("diagram")
    .CustomShapeTemplate(@<text>
        <svg class="template">
            <text class="template-name" x="50%" y="20%"><%- dataItem ? dataItem.FullName : "Employee's Name" %></text>
            <text class="template-title" x="50%" y="45%"><%- dataItem ? dataItem.Title : "Employee's Title" %></text>
            <text class="template-button" x="40%" y="85%" onclick="editEmployee(<%- dataItem && JSON.stringify(dataItem) %>)">Edit</text>
            <text class="template-button" x="62%" y="85%" onclick="deleteEmployee(<%- dataItem && JSON.stringify(dataItem) %>)">Delete</text>
        </svg>
        </text>)
        ...

Diagram - Shape Template

Toolbox Shape Template

Use the following properties to create a template for a shape in the toolbox:

View Demo

jQuery
index.js
$(function() {
    var diagram = $("#diagram").dxDiagram({
        customShapeToolboxTemplate: function(item, $container) {
            var employee = item.dataItem;
            var $content = $("<svg class='template'>" +
                "<text class='template-name' x='50%' y='40%'>New</text>" +
                "<text class='template-title' x='50%' y='70%'>Employee</text>" +
                "</svg >");
            $container.append($content);
        },
        ...
Angular
app.component.html
<dx-diagram id="diagram" #diagram customShapeToolboxTemplate="customShapeToolboxTemplate">
    <svg *dxTemplate="let item of 'customShapeToolboxTemplate'" class="template">
        <text class="template-name" x="50%" y="40%">New</text>
        <text class="template-title" x="50%" y="70%">Employee</text>
    </svg>
    ...
Vue
App.vue
CustomShapeToolboxTemplate.vue
<DxDiagram
  id="diagram"
  ref="diagram"
  custom-shape-toolbox-template="CustomShapeToolboxTemplate"
>
  <template #CustomShapeToolboxTemplate="{ data }">
    <CustomShapeToolboxTemplate/>
  </template>
  ...
<template>
<svg class="template">
    <text
    class="template-name"
    x="50%"
    y="40%"
    >
    New
    </text>
    <text
    class="template-title"
    x="50%"
    y="70%"
    >
    Employee
    </text>
</svg>
</template>
    ...
React
App.js
CustomShapeToolboxTemplate.js
import Diagram, { CustomShape, ContextToolbox, PropertiesPanel, Group, Tab, Toolbox, Nodes, AutoLayout } from 'devextreme-react/diagram';
import CustomShapeToolboxTemplate from './CustomShapeToolboxTemplate.js';

class App extends React.Component {
constructor(props) {
    this.diagramRef = React.createRef();
    this.customShapeToolboxTemplate = this.customShapeToolboxTemplate.bind(this);
    ...
}

render() {
    return (
    <div id="container">
        <Diagram id="diagram" ref={this.diagramRef} customShapeToolboxRender={this.customShapeToolboxTemplate}>
        ...
export default function CustomShapeToolboxTemplate() {
return (
    <svg className="template">
    <text className="template-name" x="50%" y="40%">New</text>
    <text className="template-title" x="50%" y="70%">Employee</text>
    </svg>
);
}
ASP.NET Core Controls
CustomShapesWithTemplatesWithEditing.cshtml
@(Html.DevExtreme().Diagram()
    .ID("diagram")
    .CustomShapeToolboxTemplate(@<text>
        <svg class="template">
            <text class="template-name" x="50%" y="40%">New</text>
            <text class="template-title" x="50%" y="70%">Employee</text>
        </svg>
    </text>)
    ...
ASP.NET MVC Controls
CustomShapesWithTemplatesWithEditing.cshtml
@(Html.DevExtreme().Diagram()
    .ID("diagram")
    .CustomShapeToolboxTemplate(@<text>
        <svg class="template">
            <text class="template-name" x="50%" y="40%">New</text>
            <text class="template-title" x="50%" y="70%">Employee</text>
        </svg>
    </text>)
        ...

Diagram - Toolbox Shape Template