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Merge pull request #74 from ACE-IoT-Solutions/nic
Fix issues raised by Grafana team
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![ACE.SVG LOGO](https://github.com/ACE-IoT-Solutions/ace-svg-react/raw/main/src/img/logo-type.svg) | ||
# React powered SVG Panel Plugin for Grafana | ||
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![Dynamic JSON Badge (Version)](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins%2Faceiot-svg-panel&query=version&prefix=v&logo=grafana&label=Version&color=orange) | ||
![Dynamic JSON Badge (Downloads)](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins%2Faceiot-svg-panel&query=downloads&logo=grafana&label=Downloads&color=orange) | ||
[![CI](https://github.com/ACE-IoT-Solutions/ace-svg-react/actions/workflows/ci.yml/badge.svg)](https://github.com/ACE-IoT-Solutions/ace-svg-react/actions/workflows/ci.yml) | ||
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![Screenshot of plugin](https://media.giphy.com/media/YRE4DxPYqy3XCR6rL4/giphy.gif) | ||
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This is an SVG panel plugin for Grafana 10.x+ | ||
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## Why yet another SVG panel plugin? | ||
Yes, I definitely considered naming it YASPP... | ||
The existing SVG panel plugins all use the pre-7.0, Angular panel API. I wanted to be able to use all of the features included in the new data API, as well as potential performance improvements from migrating to React. | ||
I have also taken a slightly different direction/philosophy from some of the other SVG plugins. | ||
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## How does it work? | ||
- Users of this plugin are expected to have ready to animate SVG graphics created in an vector design package (See [Inkscape](https://inkscape.org/), [Adobe Illustrator](https://www.adobe.com/products/illustrator.html), or a web tool like [draw.io](https://app.diagrams.net/)). | ||
- Users upload their existing SVG layouts into the plugin, then enable the "Click to Map" functionality, allowing you to easily map arbitrary group, path or text span IDs to named tokens. | ||
- Users then perform additional setup tasks in an init function that gets called each time the SVG panel is loaded. | ||
- Finally, users can access the elements of the SVG using the named tokens from within the render function, called whenever the panel receieves new data. | ||
- User code in either the render or init functions have access to all of the mapped elements, the root SVG document, a ephemeral state store and the DataFrames for the panel. | ||
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## What are the goals for this project? | ||
1. Be the most performant way to visualize arbitrary SVG graphics and animations within Grafana | ||
2. Stay out of the way - This plugin will focus on providing simple, obvious tools to reduce the friction of converting your static SVG graphics into data driven visualizations, without limiting your options. | ||
3. Stay focused - This plugin will not attempt to be an online graphics editor. | ||
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## Getting started | ||
1. Create a new panel and select ACE.SVG as the visualization | ||
2. Paste your SVG source file into the SVG Document tab editor. | ||
3. Use the 'Click to Map' functionality in the SVG Mapping tab to map SVG Elements to variables. | ||
4. Write code that you want to run once on dashboard load in the User JS Init tab editor. | ||
5. Write code that you want to run on when data is received in the User JS Render tab editor. | ||
6. Make generous use of the browser JS console and console.log() to explore the features of the plugin and SVG.js | ||
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## Execution Environment Interfaces | ||
The plugin makes available several interfaces to the SVG document and Grafana in the execution context of the Init and Render functions. | ||
Below are details for each one, remember you can always use the browser JS console and console.log() for more detail. | ||
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- `svgmap` svgmap is a JS object where each mapped SVG.js Element is available as a property. Example: If you have an svgid 'rect4524' and you've provided the mapped name bigSquare, you would access the SVG.js methods on that element under `svgmap.bigSquare`. The svgmap is also included as `options.svgMappings` | ||
- `data` data is the raw object passed in to the panel for rendering by Grafana, it contains the DataFrames with all timeseries data selected by the active queries and time range. This interface is a bit complex and verbose, so we'll be adding helper methods to make common use cases simpler. [Grafana DataFrame Docs](https://grafana.com/developers/plugin-tools/introduction/data-frames) | ||
- `options` options is the raw panel options object manaeged by the dashboard to store panel state. It includes the source code for the svg and functions as well as any mappings or other config data. While you can manually access everything about the panel with this interface, the most common use case is to add properties to it from the Init function for the render function to use later. For instance, if you have a common animation in a panel, you might create a function for setting it up in Init, and attach it to the options object as a property, so that you can use it in the Render function and keep the logic flow clear. | ||
- `svgnode` is a reference to the SVG.js object | ||
- `context` is an initially empty object passed into the init function. The init function may store | ||
any context or state that you to preserve between init and renderings. This is not required, but | ||
for some advanced use cases - for example, svg generators in the init function - being able | ||
to pass data from init to render (and between render invocations) can be useful. | ||
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The 'data' object contains both the query definition and the results of the query. In the case of the | ||
user initialization function there likely won't be any results (yet), but the query definition should | ||
be present. This _may_ be useful for some initial rendering purposes, but caution is advised as the | ||
query may be updated (for example while the user is updating the query) so anything done here should | ||
likely be done in the update function as well. | ||
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### Important Notes | ||
- An object's `style` property takes precedence over [`fill()`](https://svgjs.dev/docs/3.2/manipulating/#fill). This could be an issue when creating graphics in Inkscape, which uses the `style` property to assign the fill color. To fix this, you must remove the `fill:#FFFFFF;` part under that element's `style`. | ||
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## Getting started (development) | ||
# ACE.SVG | ||
View the main README page in [src/README.md](./src/README.md) which is shown on the [Grafana Plugin Marketplace](https://grafana.com/grafana/plugins/aceiot-svg-panel/). | ||
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## Developer Instructions | ||
### Software Requirements | ||
- [`Node`](https://nodejs.org/en) (version 20+) | ||
- [`npm`](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) (version 10+) | ||
- [`git`](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git) | ||
- [`Docker`](https://www.docker.com/) | ||
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### Getting Started | ||
1. Clone the repository | ||
```BASH | ||
git clone https://github.com/ACE-IoT-Solutions/ace-svg-react.git | ||
``` | ||
1. Install dependencies | ||
```BASH | ||
npm i | ||
``` | ||
2. Build plugin in development (watch) mode | ||
```BASH | ||
npm run dev | ||
``` | ||
3. Build plugin in production mode | ||
```BASH | ||
npm run build | ||
``` | ||
4. Spin up a Grafana image in Docker | ||
```BASH | ||
npm run server | ||
``` | ||
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## Learn more | ||
- [SVG.js](https://svgjs.dev) The Core SVG library made available for SVG DOM manipulations. | ||
- [Grafana Docs](https://grafana.com/docs/) Documentation for users and developers. | ||
- [Mozilla Developer](https://developer.mozilla.org/en-US/docs/Web/SVG) Documentation on the SVG standard itself. | ||
```BASH | ||
npm i | ||
``` | ||
1. Build plugin in development (watch) mode | ||
```BASH | ||
npm run dev | ||
``` | ||
1. Build plugin in production mode | ||
```BASH | ||
npm run build | ||
``` | ||
1. Spin up a Grafana image in Docker | ||
```BASH | ||
npm run server | ||
``` |
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