driver.js/index.html

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        content="A light-weight, no-dependency, vanilla JavaScript library to drive the user's focus across the page"/>
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  <section class="section__header" id="driver-demo-head">
    <h1><span id="logo_emoji" class="emoji">👨‍🔧️</span> <span id="name_driver">Driver</span></h1>
    <p class="text-muted">A light-weight, no-dependency, vanilla JavaScript library to drive the user's focus across the
      page</p>
    <a href="javascript:void(0)" class="btn btn__example btn__dark">Quick Tour</a>
  </section>

  <blockquote>
    <p>A lightweight (~4kb gzipped) yet powerful JavaScript engine that helps you drive the user's focus on page.</p>
    <p class="zero-bottom">Some sample use-cases can be creating powerful feature introductions, call-to-action
      components, focus shifters etc.</p>
  </blockquote>

  <section class="section__purpose">
    <h3>What are the features?</h3>
    <p>Driver is compatible with all the major browsers and can be used for any of your overlay needs. Feature
      introductions, focus shifters, call-to-action are just a few examples.</p>
    <ul>
      <li id="highlight_feature">🔆 <strong>Highlight</strong> any (literally any) item on page</li>
      <li id="interactions_feature">✋ <strong>Block user interactions</strong></li>
      <li id="feature_introductions_feature">📣 Create <strong>feature introductions</strong></li>
      <li id="focus_shifters_feature">👓 Add <strong>focus shifters</strong> for users</li>
      <li id="customizable_feature">🛠️ Highly customizable – <strong>Use it anywhere</strong> for overlay</li>
      <li id="keyboard_feature">⌨️ User Friendly – <strong>Controllable by keys</strong></li>
      <li id="free_use_feature">🆓 <strong>MIT Licensed</strong> – Free for personal and commercial use</li>
      <li id="lightweight_feature">🕊️ Lightweight – Only <strong>~4kb</strong> when gzipped</li>
      <li id="major_browsers_feature">🌀 <strong>Consistent behavior</strong> across all major browsers</li>
    </ul>
  </section>
  <hr class="hr__fancy">
  <section class="section__how">
    <h3>How does it do that?</h3>
    <p>In it simplest, it puts the canvas on top of the whole page and then cuts the part that is over the element to be
      highlighted and provides you several hooks when highlighting, highlighted or un-highlighting elements making it
      highly customizable.</p>
  </section>
  <hr class="hr__fancy">
  <section class="section__examples">
    <div id="examples_section">
      <h3>Can you show some Examples?</h3>
      <p>Below you find some of the examples and sample use-cases on how you can use it. Run by clicking the
        <code>RUN</code> button.</p>
    </div>
    <div id="single-element-no-popover" class="section__example">
      <h4>Highlighting a Single Element – Without Popover</h4>
      <p class="zero-bottom">If all you want is just highlight a single element, you can do that simply by passing the
        selector</p>
      <a href="#" class="btn__run-demo" id="run-single-element-no-popover">Show Demo</a>
      <pre><code class="javascript">const driver = new Driver();
driver.highlight('#create-post');
</code></pre>
    </div>

    <hr class="hr__fancy">

    <div class="section__example">
      <p>A <strong>real world use-case</strong> for this could be highlighting an element when user is interacting with
        it</p>
      <pre><code class="javascript">const focusDriver = new Driver();

// Highlight the section on focus
document.getElementById('creation-input')
  .addEventListener('focus', (e) => {
    focusDriver.focus('#creation-input');
  });
</code></pre>
      <p class="top-20">Focus any of the inputs and see how it moves the highlight from one element to the other</p>
      <div id="creation-forms">
        <input type="text" id="creation-input" class="form-control" placeholder="Focus any of the inputs">
        <input type="text" id="creation-input-2" class="form-control" placeholder="Focus any of the inputs">
        <input type="text" id="creation-input-3" class="form-control" placeholder="Focus any of the inputs">
        <input type="text" id="creation-input-4" class="form-control" placeholder="Focus any of the inputs">
      </div>
    </div>

    <p>You can also turn off the animation or set the padding around the corner. More on it later.</p>

    <hr class="hr__fancy">

    <div id="single-element-with-popover" class="section__example">
      <h4>Highlighting a Single Element – With Popover</h4>
      <p>If you would like to show some details alongside the highlighted element, you can do that easily by specifying
        title and description</p>
      <a href="#" class="btn__run-demo" id="run-single-element-with-popover">Show Demo</a>
      <pre><code class="javascript">const driver = new Driver();
driver.highlight({
  element: '#some-element',
  popover: {
    title: 'Title for the Popover',
    description: 'Description for it',
  }
});
</code></pre>
      <p class="top-20">You can modify the behavior of this popover also by a certain set of options. More on it
        below.</p>
    </div>

    <hr class="hr__fancy">

    <div id="single-element-with-popover-position" class="section__example">
      <h4>Popover Positioning</h4>
      <p>You can also, change the position of the popover to be either <code>left</code>, <code>top</code>,
        <code>right</code> or <code>bottom</code>.</p>
      <a href="#" class="btn__run-demo" id="run-single-element-with-popover-position">Show Demo</a>
      <pre><code class="javascript">const driver = new Driver();
driver.highlight({
  element: '#some-element',
  popover: {
    title: 'Title for the Popover',
    description: 'Description for it',
    position: 'left', // can be `top`, `left`, `right`, `bottom`
  }
});
</code></pre>
    </div>
    <div class="section__example">
      <div class="top-20 position-btns">
        <a href="#" id="position-btn-left">On my Left</a>
        <a href="#" id="position-btn-top">On my Top</a>
        <a href="#" id="position-btn-bottom">On my Bottom</a>
        <a href="#" id="position-btn-right">On my Right</a>
      </div>
      <p class="top-20">If you don't specify the position or specify it to be <code>auto</code>, it will automatically
        find the suitable position for the popover and show it</p>
    </div>
    <hr class="hr__fancy">
    <div id="single-element-with-popover-html" class="section__example">
      <h4>HTML in Popovers</h4>
      <p>You can also specify HTML in the body or the title of the popovers. Here is an example:</p>
      <a href="#" class="btn__run-demo" id="run-single-element-with-popover-html">Show Demo</a>
      <pre><code class="javascript">const driver = new Driver();
driver.highlight({
  element: '#some-element',
  popover: {
    title: '&lt;em&gt;An italicized title&lt;/em&gt;',
    description: 'Description may also contain &lt;strong&gt;HTML&lt;/strong&gt;'
  }
});
</code></pre>
    </div>

    <p class="top-20">And of-course it can be any valid HTML.</p>

    <hr class="hr__fancy">

    <div id="third-element-introduction" class="section__example">
      <h4 id="first-element-introduction">Creating Feature Introductions</h4>
      <p id="second-para-feature-introductions">You can also make powerful feature introductions to guide the users
        about the features. Just provide an array of steps where each step specifies an element to highlight.</p>
      <p id="third-para-feature-introductions">Below is just a quick example showing you how to combine the steps in
        introduction.</p>
      <a href="#" class="btn__run-demo" id="run-multi-element-popovers">Show Demo</a>
    </div>
    <pre><code class="javascript">const driver = new Driver();
// Define the steps for introduction
driver.defineSteps([
  {
    element: '#first-element-introduction',
    popover: {
      title: 'Title on Popover',
      description: 'Body of the popover',
      position: 'left'
    }
  },
  {
    element: '#second-element-introduction',
    popover: {
      title: 'Title on Popover',
      description: 'Body of the popover',
      position: 'top'
    }
  },
  {
    element: '#third-element-introduction',
    popover: {
      title: 'Title on Popover',
      description: 'Body of the popover',
      position: 'right'
    }
  },
]);
// Start the introduction
driver.start();
</code></pre>
    <p class="top-20">This is just a quick example for the feature introduction. For a richer one, please have a look at
      the
      <a href="#" class="btn__example">"Quick Tour"</a></p>

    <p>You may also turn off the footer buttons in popover, in which case user can control the popover using the arrows
      keys on keyboard. Or you may control it using the methods provided by Driver.</p>

    <hr class="hr__fancy">

    <div id="element-without-popover" class="section__example">
      <h4>Without Overlay</h4>
      <p>You can create feature introductions and do everything listed above without overlays also. All you have to do
        is just set the opacity to `0`.</p>
      <a href="#" class="btn__run-demo" id="run-element-without-popover">Show Demo</a>
      <pre><code class="javascript">const driver = new Driver({
    opacity: 0,
});

driver.highlight({
  element: '#run-element-without-popover',
  popover: {
    title: 'Title for the Popover',
    description: 'Description for it',
    position: 'top', // can be `top`, `left`, `right`, `bottom`
  }
});
</code></pre>
      <p class="top-20">..and you can do the same for the feature introductions</p>
    </div>

    <hr class="hr__fancy">

    <div class="section__example">
      <div id="api_section">
        <h3>..and much much more</h3>
        <p>Driver comes with many options that you can manipulate to make driver behave as you may like</p>
      </div>
      <h4>Driver Definition</h4>
      <p>Here are the options that Driver understands</p>
      <pre><code class="javascript">const driver = new Driver({
  animate: true,  // Animate while changing highlighted element
  opacity: 0.75,  // Background opacity (0 means only popovers and without overlay)
  padding: 10,    // Distance of element from around the edges
  onHighlightStarted: (Element) {}, // Called when element is about to be highlighted
  onHighlighted: (Element) {}, // Called when element is fully highlighted
  onDeselected: (Element) {}, // Called when element has been deselected
});
</code></pre>
    </div>
    <div class="section__example">
      <h4>Step Definition</h4>
      <p>Here are the set of options that you can pass in each step i.e. an item in array of steps or the object that
        you pass to <code>highlight</code> method</p>
      <pre><code class="javascript">const stepDefinition = {
  element: '#some-item', // Query selector for the item to be highlighted
  popover: {             // There will be no popover if empty or not given
    title: 'Title',      // Title on the popover
    description: 'Description', // Body of the popover
    showButtons: false,      // Do not show control buttons in footer
    doneBtnText: 'Done',     // Text on the last button
    closeBtnText: 'Close',   // Text on the close button
    nextBtnText: 'Next',     // Next button text
    prevBtnText: 'Previous', // Previous button text
  }
};
</code></pre>
    </div>
    <div class="section__example">
      <h4>API Methods</h4>
      <p>Below are the set of methods that are available to you</p>
      <pre><code class="javascript">const driver = new Driver(driverOptions);

const isActivated = driver.isActivated; // Checks if the driver is active or not
driver.moveNext();     // Moves to next step in the steps list
driver.movePrevious(); // Moves to previous step in the steps list
driver.start(stepNumber = 0);  // Starts driving through the defined steps
driver.highlight(string|stepDefinition); // highlights the element using query selector or the step definition
driver.reset(); // Resets the overlay and clears the screen
driver.hasHighlightedElement(); // Checks if there is any highlighted element
driver.hasNextStep(); // Checks if there is next step to move to
driver.hasPreviousStep(); // Checks if there is previous step to move to

// Gets the currently highlighted element on screen
const activeElement = driver.getHighlightedElement();
const lastActiveElement = driver.getLastHighlightedElement();
activeElement.getScreenCoordinates(); // Gets screen co-ordinates of the active element
activeElement.hidePopover();  // Hide the popover
activeElement.showPopover();  // Show the popover

activeElement.getNode();  // Gets the DOM Element behind this element
</code></pre>
    </div>
    <p class="top-20">You can use a variety of options to achieve whatever you may want. I have some plans on improving
      it further, make sure to keep an eye on the <a href="https://github.com/kamranahmedse/driver.js" target="_blank">github
        page</a></p>
  </section>
  <hr class="hr__fancy">
  <div class="section__example">
    <h4>Contributing</h4>
    <p>You can find the contribution instructions on the <a href="https://github.com/kamranahmedse/driver.js"
                                                            target="_blank">github page</a>. Feel free to submit an
      issue, create a pull request or spread the word</p>
  </div>
  <hr class="hr__fancy">
  <div class="section__example">
    <p>A product by <a href="http://twitter.com/kamranahmedse" target="_blank">Kamran</a> produced out of boredom and
      frustration in cold Berlin after he gave up on trying to find a perfect solution to integrate journey introduction
      and overlays.</p>
    <a href="https://twitter.com/kamranahmedse?ref_src=twsrc%5Etfw"
       class="twitter-follow-button mr-3"
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       data-size="large"
       target="_blank"
       data-show-count="true">Follow @kamranahmedse</a>

    <a class="github-button" href="https://github.com/kamranahmedse"
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       aria-label="Follow @kamranahmedse on GitHub">Follow</a>
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