New Widget: Audio

docs/nodes/widgets.md

@@ -8,6 +8,11 @@ description: Explore the wide range of widgets available in Node-RED Dashboard 2
     import WidgetGrid from '../components/WidgetGrid.vue'
 
     const general = [{
+        name: 'Audio',
+        widget: 'ui-audio',
+        image: '/images/node-examples/ui-audio.png',
+        description: 'Adds a audio player to your dashboard.'
+    }, {
         name: 'Button',
         widget: 'ui-button',
         image: '/images/node-examples/ui-button.png',
@@ -148,4 +153,4 @@ Here is a list of the third-party widgets we're aware of to make it easier to fi
 
 The following are a list of nodes that we've been made aware of, are in active development, but have not yet been published to the Node-RED Palette Manager.
 
-- [@bartbutenaers/ui-svg](https://github.com/bartbutenaers/node-red-dashboard-2-ui-svg/tree/master): Adds an SVG widget to your Dashboard, with dynamic controls over plotting and styling.
+- [@bartbutenaers/ui-svg](https://github.com/bartbutenaers/node-red-dashboard-2-ui-svg/tree/master): Adds an SVG widget to your Dashboard, with dynamic controls over plotting and styling.

docs/nodes/widgets/ui-audio.md

@@ -0,0 +1,76 @@
+---
+description: "Play dynamically audio files with ui-audio in Node-RED Dashboard 2.0."
+props:
+    Group: Defines which group of the UI Dashboard this widget will render in.
+    Size: Controls the width of the button with respect to the parent group. Maximum value is the width of the group.
+    Source:
+        description: The source is the url where the audio file can be fetched..
+        dynamic: true 
+    Autoplay:
+        description: Specify whether the audio file will start playing automatically.
+        dynamic: true
+    Loop:
+        description: Specify whether the audio should be looping, i.e. start playing automatically again when ended.
+        dynamic: true
+    Muted:
+        description: Specify whether the audio should be muted.
+        dynamic: true
+controls:
+    enabled:
+        example: true | false
+        description: Allow control over whether or not the button is clickable.
+dynamic:
+    Source:
+        payload: msg.ui_update.source
+        structure: ["String"]
+    Autoplay:
+        payload: msg.ui_update.autoplay
+        structure: ["'on' | 'off'"]
+    Loop:
+        payload: msg.ui_update.loop
+        structure: ["'on' | 'off'"]
+    Muted:
+        payload: msg.ui_update.muted
+        structure: ["'on' | 'off'"]
+---
+
+<script setup>
+    import { ref } from 'vue'
+
+    import ExampleButtonHold from '../../examples/ui-button-hold.json'
+
+    import TryDemo from "./../../components/TryDemo.vue"
+    import FlowViewer from '../../components/FlowViewer.vue'
+
+    const examples = ref({
+      'hold': ExampleButtonHold
+    })
+</script>
+
+
+<TryDemo href="button-example">
+
+# Audio `ui-audio`
+
+</TryDemo>
+
+Adds a clickable button to your dashboard.
+
+## Properties
+
+<PropsTable/>
+
+## Dynamic Properties
+
+<DynamicPropsTable/>
+
+## Controls
+
+<ControlsTable/>
+
+## Example
+
+### Simple Button
+
+![Example of a Button](/images/node-examples/ui-button.png "Example of a Button"){data-zoomable}
+*Example of a rendered button in a Dashboard.*

nodes/widgets/locales/en-US/ui_audio.html

@@ -0,0 +1,31 @@
+<script type="text/html" data-help-name="ui-audio">
+    <p>
+        Plays an audio file in the dashboard.
+    </p>
+    <p>
+        Each received <code>msg.payload</code> will contain a new source, i.e. a new audio file url.
+    </p>
+    <h3>Properties</h3>
+    <dl class="message-properties">
+        <dt>Source <span class="property-type">string</span></dt>
+        <dd>The source is the url where the audio file can be fetched.</dd>
+        <dt>Autoplay <span class="property-type">list</span></dt>
+        <dd>Specify whether the audio file will start playing automatically.</dd>
+        <dt>Loop <span class="property-type">list</span></dt>
+        <dd>Specify whether the audio should be looping, i.e. start playing automatically again when ended.</dd>
+        <dt>Muted <span class="property-type">list</span></dt>
+        <dd>Specify whether the audio should be muted.</dd>
+    </dl>
+    <h3>Dynamic Properties (Inputs)</h3>
+    <p>Any of the following can be appended to a <code>msg.ui_update</code> in order to override or set properties on this node at runtime.</p>
+    <dl class="message-properties">
+        <dt class="optional">src<span class="property-type">string</span></dt>
+        <dd>Override the configured audio source.</dd>
+        <dt class="optional">autoplay<span class="property-type">'on' | 'off'</span></dt>
+        <dd>Override the configured autoplay setting .</dd>
+        <dt class="optional">loop<span class="property-type">'on' | 'off'</span></dt>
+        <dd>Override the configured looping behaviour.</dd>
+        <dt class="optional">muted<span class="property-type">'on' | 'off'</span></dt>
+        <dd>Override the configured muted setting.</dd>
+    </dl>
+</script>

nodes/widgets/locales/en-US/ui_audio.json

@@ -0,0 +1,17 @@
+{
+    "ui-audio": {
+        "label": {
+            "group": "Group",
+            "size": "Size",
+            "icon": "Icon",
+            "source": "Source",
+            "autoplay": "Autoplay",
+            "loop": "Loop",
+            "muted": "Muted"
+        },
+        "option": {
+            "on": "On",
+            "off": "Off"
+       }
+    }
+}

nodes/widgets/ui_audio.html

@@ -0,0 +1,113 @@
+<script type="text/javascript">
+    (function () {
+        RED.nodes.registerType('ui-audio', {
+            category: RED._('@flowfuse/node-red-dashboard/ui-base:ui-base.label.category'),
+            color: RED._('@flowfuse/node-red-dashboard/ui-base:ui-base.colors.medium'),
+            defaults: {
+                group: { type: 'ui-group', required: true },
+                name: { value: '' },
+                order: { value: 0 },
+                width: {
+                    value: 0,
+                    validate: function (v) {
+                        const width = v || 0
+                        const currentGroup = $('#node-input-group').val() || this.group
+                        const groupNode = RED.nodes.node(currentGroup)
+                        const valid = !groupNode || +width >= 0
+                        $('#node-input-size').toggleClass('input-error', !valid)
+                        return valid
+                    }
+                },
+                height: { value: 0 },
+                src: { value: ''},
+                autoplay: { value: 'off' },
+                loop: { value: 'off' },
+                muted: { value: 'off' }
+            },
+            inputs: 1,
+            outputs: 1,
+            align: 'right',
+            icon: 'font-awesome/fa-volume-up',
+            paletteLabel: 'audio',
+            label: function () { return this.name },
+            labelStyle: function () { return this.name ? 'node_label_italic' : '' },
+            oneditprepare: function () {
+                // if this groups parent is a subflow template, set the node-config-input-width and node-config-input-height up
+                // as typedInputs and hide the elementSizer (as it doesn't make sense for subflow templates)
+                if (RED.nodes.subflow(this.z)) {
+                    // change inputs from hidden to text & display them
+                    $('#node-input-width').attr('type', 'text')
+                    $('#node-input-height').attr('type', 'text')
+                    $('div.form-row.nr-db-ui-element-sizer-row').hide()
+                    $('div.form-row.nr-db-ui-manual-size-row').show()
+                } else {
+                    // not in a subflow, use the elementSizer
+                    $('div.form-row.nr-db-ui-element-sizer-row').show()
+                    $('div.form-row.nr-db-ui-manual-size-row').hide()
+                    $('#node-input-size').elementSizer({
+                        width: '#node-input-width',
+                        height: '#node-input-height',
+                        group: '#node-input-group'
+                    })
+                }
+
+                // use jQuery UI tooltip to convert the plain old title attribute to a nice tooltip
+                $('.ui-node-popover-title').tooltip({
+                    show: {
+                        effect: 'slideDown',
+                        delay: 150
+                    }
+                })
+            }
+        })
+    })()
+</script>
+
+<script type="text/html" data-template-name="ui-audio">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></label>
+        <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
+    </div>
+    <div class="form-row">
+        <label for="node-input-group"><i class="fa fa-table"></i> <span data-i18n="ui-audio.label.group"></label>
+        <input type="text" id="node-input-group">
+    </div>
+    <div class="form-row nr-db-ui-element-sizer-row">
+        <label><i class="fa fa-object-group"></i> <span data-i18n="ui-audio.label.size"></label>
+        <button class="editor-button" id="node-input-size"></button>
+    </div>
+    <div class="form-row nr-db-ui-manual-size-row">
+        <label><i class="fa fa-arrows-h"></i> <span data-i18n="ui-audio.label.width">Width</label>
+        <input type="hidden" id="node-input-width">
+    </div>
+    <div class="form-row nr-db-ui-manual-size-row">
+        <label><i class="fa fa-arrows-v"></i> <span data-i18n="ui-audio.label.height">Height</label>
+        <input type="hidden" id="node-input-height">
+    </div>
+    <div class="form-row">
+        <label for="node-input-src"><i class="fa fa-globe"></i> <span data-i18n="ui-audio.label.source"></label>
+        <input type="text" id="node-input-src">
+    </div>
+    <div class="form-row">
+        <label for="node-input-autoplay"><i class="fa fa-play-circle"></i> <span data-i18n="ui-audio.label.autoplay"></label>
+        <select id="node-input-autoplay" style="width:70%;">
+            <option value="on" data-i18n="ui-audio.option.on"></option>
+            <option value="off" data-i18n="ui-audio.option.off"></option>
+        </select>
+    </div>
+    <div class="form-row">
+        <label for="node-input-loop"><i class="fa fa-retweet"></i> <span data-i18n="ui-audio.label.loop"></label>
+        <select id="node-input-loop" style="width:70%;">
+            <option value="on" data-i18n="ui-audio.option.on"></option>
+            <option value="off" data-i18n="ui-audio.option.off"></option>
+        </select>
+    </div>
+    <div class="form-row">
+        <label for="node-input-muted"><i class="fa fa-volume-up"></i> <span data-i18n="ui-audio.label.muted"></label>
+        <select id="node-input-muted" style="width:70%;">
+            <option value="on" data-i18n="ui-audio.option.on"></option>
+            <option value="off" data-i18n="ui-audio.option.off"></option>
+        </select>
+    </div>
+    <div class="form-tips"><b>Note</b>: Autoplay will only work after a user gesture (e.g. click on the dashboard).</span></div>
+</script>

nodes/widgets/ui_audio.js

@@ -0,0 +1,61 @@
+const statestore = require('../store/state.js')
+
+module.exports = function (RED) {
+    function AudioNode (config) {
+        const node = this
+
+        RED.nodes.createNode(this, config)
+
+        // which group are we rendering this widget
+        const group = RED.nodes.getNode(config.group)
+
+        const evts = {
+            onAction: true,
+            beforeSend: function (msg) {
+                if (msg.ui_update) {
+                    const updates = msg.ui_update
+
+                    if (updates) {
+                        if (typeof updates.src !== 'undefined') {
+                            // dynamically set "src" property
+                            statestore.set(group.getBase(), node, msg, 'src', updates.src)
+                        }
+                        if (typeof updates.autoplay !== 'undefined') {
+                            if (['on', 'off'].includes(updates.autoplay)) {
+                                // dynamically set "autoplay" property
+                                statestore.set(group.getBase(), node, msg, 'autoplay', updates.autoplay)
+                            } else {
+                                node.error('Property msg.ui_update.autoplay should be "on" or "off"')
+                            }
+                        }
+                        if (typeof updates.loop !== 'undefined') {
+                            if (['on', 'off'].includes(updates.loop)) {
+                                // dynamically set "loop" property
+                                statestore.set(group.getBase(), node, msg, 'loop', updates.loop)
+                            } else {
+                                node.error('Property msg.ui_update.loop should be "on" or "off"')
+                            }
+                        }
+                        if (typeof updates.muted !== 'undefined') {
+                            if (['on', 'off'].includes(updates.muted)) {
+                                // dynamically set "muted" property
+                                statestore.set(group.getBase(), node, msg, 'muted', updates.muted)
+                            } else {
+                                node.error('Property msg.ui_update.muted should be "on" or "off"')
+                            }
+                        }
+                    }
+                }
+                return msg
+            }
+        }
+
+        // inform the dashboard UI that we are adding this node
+        if (group) {
+            group.register(node, config, evts)
+        } else {
+            node.error('No group configured')
+        }
+    }
+    RED.nodes.registerType('ui-audio', AudioNode)
+}

package.json

@@ -146,7 +146,8 @@
             "ui-markdown": "nodes/widgets/ui_markdown.js",
             "ui-template": "nodes/widgets/ui_template.js",
             "ui-event": "nodes/widgets/ui_event.js",
-            "ui-control": "nodes/widgets/ui_control.js"
+            "ui-control": "nodes/widgets/ui_control.js",
+            "ui-audio": "nodes/widgets/ui_audio.js"
         }
     },
     "overrides": {

ui/src/widgets/index.mjs

@@ -1,3 +1,4 @@
+import UIAudio from './ui-audio/UIAudio.vue'
 import UIButton from './ui-button/UIButton.vue'
 import UIButtonGroup from './ui-button-group/UIButtonGroup.vue'
 import UIChart from './ui-chart/UIChart.vue'
@@ -21,6 +22,7 @@ import UITextInput from './ui-text-input/UITextInput.vue'
 
 // Named exports for use in other components
 export {
+    UIAudio,
     UIButton,
     UIButtonGroup,
     UIChart,
@@ -48,6 +50,7 @@ export { useDataTracker } from './data-tracker.mjs'
 
 // Exported as an object for look up by widget name
 export default {
+    'ui-audio': UIAudio,
     'ui-button': UIButton,
     'ui-button-group': UIButtonGroup,
     'ui-chart': UIChart,