Charts · Gutenberg
Histogram Chart block for WordPress
Frequency-distribution histogram with configurable bins, colours, and axis labels.
Get Blockenberg
Free Gutenberg block in Blockenberg. The inspector controls and front-end behavior on this page come from this block’s source, not a shared stub.
What it actually does
Frequency-distribution histogram with configurable bins, colours, and axis labels.
Inspector panels on this block: Chart Settings, Layout, Bins. Those titles come from index.js, not from a shared template.
Histogram Chart has no render.php and no frontend.js. The saved Gutenberg HTML is what visitors see, plus Blockenberg layout/typography CSS.
Where to find it
Gutenberg inserter → Charts → search “Histogram Chart” (block name `blockenberg/histogram-chart` in block.json). Style it in the sidebar after insert.
How to use Histogram Chart block for WordPress
- Install Blockenberg. Install from WordPress.org and activate the plugin.
- Insert the block. Edit a page, click +, search for “Histogram Chart”, insert it. Category: Charts.
- Configure inspector controls that exist on this block. Open Chart Settings. Set “Chart Settings — Title”, “Show Title”, “Show Grid”, “Show Values”.
- Publish. Save the page. Output is the saved block HTML; typography/colors follow Blockenberg shared panels.
Inspector controls from this block’s code
| Control | What the code does |
|---|---|
| Chart Settings — Title | Text field in the inspector. block.json default: Response Time Distribution. Saved as `title`. |
| Show Title | On/off toggle in the inspector. On by default. Saved as `showTitle`. |
| Show Grid | On/off toggle in the inspector. On by default. Saved as `showGrid`. |
| Show Values | On/off toggle in the inspector. On by default. Saved as `showValues`. |
| Show Density Curve | On/off toggle in the inspector. Off by default. Saved as `showCurve`. |
| X Axis Label | Text field in the inspector. block.json default: Response Time (ms). Saved as `xAxisLabel`. |
| Y Axis Label | Text field in the inspector. block.json default: Frequency. Saved as `yAxisLabel`. |
| Canvas Width | Numeric range control in the inspector. Range 300–1200. block.json default: 680. Saved as `svgWidth`. |
| Canvas Height | Numeric range control in the inspector. Range 160–700. block.json default: 360. Saved as `svgHeight`. |
| Bar Gap (px) | Numeric range control in the inspector. Range 0–20. block.json default: 2. Saved as `barGap`. |
| Left Padding | Numeric range control in the inspector. Range 20–120. block.json default: 60. Saved as `padLeft`. |
| Bottom Padding | Numeric range control in the inspector. Range 30–120. block.json default: 54. Saved as `padBottom`. |
| Label Font Size | Numeric range control in the inspector. Range 8–20. block.json default: 12. Saved as `labelFontSize`. |
| Value Font Size | Numeric range control in the inspector. Range 7–16. block.json default: 10. Saved as `valueFontSize`. |
| Bar fill | Color control in the inspector. block.json default: #6366f1. Saved as `barColor`. |
| Density curve | Color control in the inspector. block.json default: #ef4444. Saved as `curveColor`. |
| Colors — Background | Color control in the inspector. block.json default: #ffffff. Saved as `bgColor`. |
| Grid | Color control in the inspector. block.json default: #f3f4f6. Saved as `gridColor`. |
| Colors — Title | Color control in the inspector. block.json default: #111827. Saved as `titleColor`. |
| Text/Axes | Color control in the inspector. block.json default: #374151. Saved as `textColor`. |
When this is the right block
- Frequency-distribution histogram with configurable bins, colours, and axis labels — that is the job of Histogram Chart, not a generic content block.
- Use it when you need the editor control labeled “Chart Settings — Title”, which exists on this block’s inspector.
- Inserter grouping: reports, dashboards, and data-heavy pages.
Notes from the implementation
Static block: markup is saved in post content; no PHP render callback in this folder.
FAQ
How do I add the Histogram Chart block in WordPress?
Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “Histogram Chart”. It sits under Charts. After insert, open Chart Settings and set “Chart Settings — Title”, “Show Title”, “Show Grid”, “Show Values”.
What makes Histogram Chart different from other Blockenberg blocks?
Frequency-distribution histogram with configurable bins, colours, and axis labels. Inspector labels on this block include “Chart Settings — Title”, “Show Title”, “Show Grid”, “Show Values”.
Is the Histogram Chart Gutenberg block free?
Yes. Histogram Chart ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.
Can I style Histogram Chart to match my theme?
Yes. Blockenberg’s shared typography and color panels apply here, plus any block-specific style controls listed on this page (panels: Chart Settings, Layout, Bins).
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Get Blockenberg
Install Blockenberg from WordPress.org, then insert Histogram Chart from the Gutenberg inserter.