=== SB Chart block ===
Contributors:      bobbingwide
Tags:              block, Chart, Line, Bar, Horizontal bar, Pie, stacked
Requires at least: 5.6.0
Tested up to:      5.7.1
Stable tag:        0.3.0
Requires PHP:      7.2.0
License:           GPL-2.0-or-later
License URI:       https://www.gnu.org/licenses/gpl-2.0.html

Displays a Chart for CSV content.

== Description ==
Use the Chart block ( oik-sb/chart ) to display a chart.

== Installation ==

1. Upload the plugin files to the `/wp-content/plugins/sb-chart-block` directory, or install the plugin through the WordPress plugins screen directly.
1. Activate the plugin through the 'Plugins' screen in WordPress

OR

With WordPress 5.6 or Gutenberg 9.6.2 or higher, and the authority to install plugins:

1. In the block editor, open the block inserter.
1. Search for the block by typing 'Chart'.
1. Click on the 'Add block' button for the SB Chart block.
1. The SB Chart block plugin will be installed and activated.
1. And the block will be inserted into your content.

== Frequently Asked Questions ==
= What types of chart can I display? =

So far...

- Line and stacked line, with optional fill
- Bar and stacked bar
- Horizontal bar and stacked horizontal bar
- Pie

= How do I choose the chart colors? =

There are 6 predefined color palettes:
choose the color palette from a drop down list.

= What options are there? =
Options to control the chart display are:

- Stacked - Toggle on to stack line or bar charts
- Begin Y axis at 0 toggle
- Fill toggle for line charts
- Height of the chart, in pixels. 
- Opacity - set the opacity of the background colours.


= What Chart script does it use?  =

chartjs - from chartjs.org

v0.3.0 enqueues the script from a local version of chart.min.js, version 3.1.0.
When `SCRIPT_DEBUG` is true the debug version, chart.js, is loaded.

= What do I need to search for to find the block? =

Chart or SB Chart

= What if my first language is not English? =

If your first language is not English then you could try:

- French - graphique
- German - Diagramm
- Dutch - grafiek
- Italian - grafico
- Spanish - gráfico

= Do I need to build this block? =
No. The plugin is delivered with the production version of the block.
If you do wish to modify the code then you can find instructions in the src folder.

== Screenshots ==
1. Line chart - Gutenberg theme colors
2. Bar chart - Chart theme colors
3. Horizontal bar chart - Tertiary theme colors
4. Pie chart - Visualizer theme colors
5. Chart type toolbar selection

== Upgrade Notice ==
= 0.3.0 = 
Further updates for hosting on WordPress.org. Now uses chartjs v3.1.0.

= 0.2.0 =
Updated for hosting on WordPress.org. Improved color palette selection using palette.json.

= 0.1.1 =
Update for better colours in the Gutenberg palette.

= 0.1.0 =
Enqueues Chart.js in the footer to reduce render-blocking resources.

= 0.0.8 =
Update for begin Y-axis at 0 toggle.

= 0.0.7 =
Update for the chart type selection in the toolbar.

= 0.0.6 =
Update for ability to set the chart height, in pixels

= 0.0.5 =
Update for filled line charts - Area charts.

= 0.0.4 =
Update for stacked charts.

= 0.0.3 =
Update for the ability to control the height of each chart using CSS.

= 0.0.2 =
Update for a version that works without oik shared library functions.

= 0.0.1 =
First version to be used in Slog.

= 0.0.0 =
Initial version copied from SB Children block

== Changelog ==
= 0.3.0 = 
* Changed: Added language files,[github bobbingwide sb-chart-block issues 10]
* Changed: Remove redundant / unwanted logic,[github bobbingwide sb-chart-block issues 10]
* Changed: Improve color palettes and selection,[github bobbingwide sb-chart-block issues 2]
* Changed: Upgrade to use chartjs v3.1.0,[github bobbingwide sb-chart-block issues 11]
* Changed: Add opacity with range from 0 to 1 for chart background colours,[github bobbingwide sb-chart-block issues 2]
* Changed: Refactor Color_Palettes to SB_Chart_Color_Palettes,[github bobbingwide sb-chart-block issues 10]
* Tested: With WordPress 5.7.1 and WordPress Mult Site
* Tested: With Gutenberg 10.4.0
* Tested: With PHP 8.0
* Tested: With PHPUnit 9

= 0.2.0 =
* Changed: Enqueue scripts from the plugin,[github bobbingwide sb-chart-block issues 10]
* Changed: Load color palettes from palettes.json,[github bobbingwide sb-chart-block issues 10]
* Tested: With WordPress 5.7 and WordPress Multi Site
* Tested: With Gutenberg 10.3.1
* Tested: With PHP 8.0
* Tested: With PHPUnit 9

= 0.1.1 =
* Changed: Eliminate very light gray and white from the Gutenberg colour palette. Add yellowish grey.,[github bobbingwide sb-chart-block issues 2]
* Tested: With WordPress 5.6.1 and WordPress Multi Site
* Tested: With Gutenberg 9.9.2

= 0.1.0 =
* Changed: Enqueue chart.js in the footer, when necessary. Run Chart when DOMContentLoaded.,[github bobbingwide sb-chart-block issues 9]

= 0.0.8 =
* Added: Begin Y-axis at 0 toggle.
* Changed: Option toggle arrangement
* Tested: With Gutenberg 9.8.0

= 0.0.7 =
* Added: Chart type toolbar group and new icons,[github bobbingwide sb-chart-block issues 5]
* Added: Example - a simple pie chart,[github bobbingwide sb-chart-block issues 5]

= 0.0.6 =
* Added: Height range control. Default 450px in the editor.,[github bobbingwide sb-chart-block issues 5]

= 0.0.5 =
* Added: Toggle to Fill line charts,[github bobbingwide sb-chart-block issues 5]

= 0.0.4 =
* Added: Toggle to Stack charts,[github bobbingwide sb-chart-block issues 5]

= 0.0.3 =
* Fixed: Support setting of the chart height using CSS,[github bobbingwide sb-chart-block issues 5]

= 0.0.2 =
* Fixed: Remove dependency on oik related shared library functions,[github bobbingwide sb-chart-block issues 1]

= 0.0.1 =
* Added: Server Side Rendered charts using Chart.js,[github bobbingwide sb-chart-block issues 1]
* Added: 4 theme options for chart colors,[github bobbingwide sb-chart-block issues 2]
* Added: Chart block in the block editor,[github bobbingwide sb-chart-block issues 4]
* Tested: With WordPress 5.6.0 and WordPress Multi Site
* Tested: With Gutenberg 9.7.2

= 0.0.0 =
* First version copied from SB Children block