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  • License GPL-3.0

MathType Web integration for a generic HTML editor

Package Exports

  • @wiris/mathtype-generic

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@wiris/mathtype-generic) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

MathType for Generic integration Tweet

MathType is a WYSIWYG editor to edit math equations and chemistry formulas. This package allows integrating MathType into a content editable HTMLElement.

MathType for Generic screenshot

Table of contents

Getting started

The following example shows how to integrate MathType into an editable HTMLElement. The integration consists of two steps: loading a JavaScript file and initialize the plugin into the editable HTMLElement.

To integrate MathType, please follow the steps below (you may adjust the example parameters of the example below depending on your integration):

  1. Create a new HTML file with two HTMLElements, one for the editable area and the other one for the toolbar:

    <html>
    <body>
        <div id="toolbarLocation"></div>
        <div id="example" contenteditable="true">Try me!</div>
    </body>
</html>

  2. Install the npm module:

    npm install @wiris/mathtype-generic

  3. Load the module into your project by adding the following code to the head of the HTML file:

    <head>
    <script src="./node_modules/@wiris/mathtype-generic/wirisplugin-generic.js"></script>
</head>

  4. Create an instance of GenericIntegration class. In the previous example add the following code to the footer of the HTML file:

    <footer>
    <script>
        var genericIntegrationProperties = {};
        genericIntegrationProperties.target = document.getElementById("example");
        genericIntegrationProperties.toolbar = document.getElementById("toolbarLocation");

        // GenericIntegration instance.
        var genericIntegrationInstance = new WirisPlugin.GenericIntegration(genericIntegrationProperties);
        genericIntegrationInstance.init();
        genericIntegrationInstance.listeners.fire('onTargetReady', {});
    </script>
</footer>

    This is the main step of the integration, doing the following:

    • Appends two toolbar buttons, one for the math editor and the other one for the chem editor, to the toolbar div. It allows to open both, math and chemistry editors.
    • Inits the integration into the editable HTMLElement. This add new events to the HTMLElement (to open the created formula by double-click, for example) and allows MathType editor to insert formulas into it.

    You may change target and toolbar parameters depending on the structure of your HTML editor.

    • The target property expects the HTMLElement edit area. This parameter is mandatory.
    • The toolbar property expects the HTMLElement which contains the toolbar. This parameter is not mandatory.

Notice that the example is assuming that you have the following directory structure and the plugin path may be adjusted:

project
└───index.html
└───node_modules
    └───@wiris/mathtype-generic

Parsing data

MathType integration, by default, stores the content as MathML and render it into the editable HTMLElement as images. In order to load the MathML data into the edit you should use the Parser class:

WirisPlugin.Parser

Loading data

To load data into the edit area you should use the following method:

WirisPlugin.Parser.initParse(htmlData);

For instance, the following call:

WirisPlugin.Parser.initParse('<math><mo>x</mo></math');

Returns the following image:

<img style="max-width: none; vertical-align: -4px;" class="Wirisformula" src="data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Awrs%3D%22http%3A%2F%2Fwww.wiris.com%2Fxml%2Fcvs-extension%22%20height%3D%2219%22%20width%3D%2213%22%20wrs%3Abaseline%3D%2215%22%3E%3C!--MathML%3A%20%3Cmath%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo%3Ex%3C%2Fmo%3E%3C%2Fmath%3E--%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%2F%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%226.5%22%20y%3D%2215%22%3Ex%3C%2Ftext%3E%3C%2Fsvg%3E" data-mathml="«math»«mo»x«/mo»«/math»" alt="x" role="math" width="13" height="19" align="middle"/>

If you add the following code to the footer of the initial example:

var htmlElement = document.getElementById('example');
var data = 'Initial data: <math><msqrt><mo>x</mo></msqrt></math>'
htmlElement.innerHTML = WirisPlugin.Parser.initParse(data);

The HTML data will be inserted into the edit area by replacing the MatML with its correspondent image.

Getting data

To save the content of the editable HTMLElement you should use the following method:

WirisPlugin.Parser.endParse(htmlContent);

This method returns the HTML content by replacing MathType images with its correspondent MathML.

For example:

WirisPlugin.Parser.endParse('<img style="max-width: none; vertical-align: -4px;" class="Wirisformula" src="data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Awrs%3D%22http%3A%2F%2Fwww.wiris.com%2Fxml%2Fcvs-extension%22%20height%3D%2219%22%20width%3D%2213%22%20wrs%3Abaseline%3D%2215%22%3E%3C!--MathML%3A%20%3Cmath%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo%3Ex%3C%2Fmo%3E%3C%2Fmath%3E--%3E%3Cdefs%3E%3Cstyle%20type%3D%22text%2Fcss%22%2F%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%226.5%22%20y%3D%2215%22%3Ex%3C%2Ftext%3E%3C%2Fsvg%3E" data-mathml="«math»«mo»x«/mo»«/math»" alt="x" role="math" width="13" height="19" align="middle"/>');

Returns the following:

<math><mo>x</mo></math>

Services

This npm module uses services remotely hosted to render MathML data. However, it is strongly recommended to install these services in your backend. This will allow you, among other things, to customize the backend service and store locally the images generated by MathType.

The services are available for the following technologies: Java, PHP, .NET and Ruby on Rails. If you use any of this technologies, please download the plugin for your backend technology from here.

In order to install the appropiate service, follow the instructions below:

Java

To install the Java services follow the steps below:

  1. Download the MathTpe for generic HTML editor - Java package.
  2. Deploy the pluginwiris_engine war file.
  3. Add the following line to genericIntegrationProperties before create the new instance of GenericIntegration class:
    genericIntegrationProperties.configurationService = '/pluginwiris_engine/app/configurationjs';
    In the previous example the footer code should be the following>
    <footer>
    <script>
        var genericIntegrationProperties = {};
        genericIntegrationProperties.target = document.getElementById("example");
        genericIntegrationProperties.toolbar = document.getElementById("toolbarLocation");
        // Load Java services.
        genericIntegrationProperties.configurationService = '/pluginwiris_engine/app/configurationjs';

        // GenericIntegration instance.
        var genericIntegrationInstance = new WirisPlugin.GenericIntegration(genericIntegrationProperties);
        genericIntegrationInstance.init();
        genericIntegrationInstance.listeners.fire('onTargetReady', {});
    </script>
</footer>

PHP

To install the PHP services follow the steps below:

  1. Download the MathTpe for generic HTML editor - PHP package.
  2. Copy the generic_wiris/integration folder into your project.
  3. Add the following line to genericIntegrationProperties before create the new instance of GenericIntegration class:
    genericIntegrationProperties.configurationService = '/integration/configurationjs.php';
    In the previous example the footer code should be the following>
    <footer>
    <script>
        var genericIntegrationProperties = {};
        genericIntegrationProperties.target = document.getElementById("example");
        genericIntegrationProperties.toolbar = document.getElementById("toolbarLocation");
        // Load PHP services.
        genericIntegrationProperties.configurationService = 'integration/configurationjs.php';

        // GenericIntegration instance.
        var genericIntegrationInstance = new WirisPlugin.GenericIntegration(genericIntegrationProperties);
        genericIntegrationInstance.init();
        genericIntegrationInstance.listeners.fire('onTargetReady', {});
    </script>
</footer>

.NET

To install the .NET services follow the steps below:

  1. Download the MathTpe for generic HTML editor - ASP.NET package.
  2. Copy the generic_wiris/integration folder into your project.
  3. Add the following line to genericIntegrationProperties before create the new instance of GenericIntegration class:
    genericIntegrationProperties.configurationService = 'integration/configurationjs.aspx';
    In the previous example the footer code should be the following>
    <footer>
    <script>
        var genericIntegrationProperties = {};
        genericIntegrationProperties.target = document.getElementById("example");
        genericIntegrationProperties.toolbar = document.getElementById("toolbarLocation");
        // Load Aspx services.
        genericIntegrationProperties.configurationService = 'integration/configurationjs.aspx';

        // GenericIntegration instance.
        var genericIntegrationInstance = new WirisPlugin.GenericIntegration(genericIntegrationProperties);
        genericIntegrationInstance.init();
        genericIntegrationInstance.listeners.fire('onTargetReady', {});
    </script>
</footer>

Ruby on Rails

To install the Ruby on Rails services follow the steps below:

  1. Download the MathTpe for generic HTML editor - Ruby on Rails package.
  2. Instal the wirispluginengine.gem gem.
        gem install -l wirispluginengine.gem
  3. Add the following line to genericIntegrationProperties before create the new instance of GenericIntegration class:
    genericIntegrationProperties.configurationService = '/wirispluginengine/integration/configurationjs';
    In the previous example the footer code should be the following:
    <footer>
    <script>
        var genericIntegrationProperties = {};
        genericIntegrationProperties.target = document.getElementById("example");
        genericIntegrationProperties.toolbar = document.getElementById("toolbarLocation");
        // Load Ruby on Rails services.
        genericIntegrationProperties.configurationService = '/wirispluginengine/integration/configurationjs';

        // GenericIntegration instance.
        var genericIntegrationInstance = new WirisPlugin.GenericIntegration(genericIntegrationProperties);
        genericIntegrationInstance.init();
        genericIntegrationInstance.listeners.fire('onTargetReady', {});
    </script>
</footer>

Documentation

To find out more information about MathType, please go to the following documentation: