Charts · Gutenberg
Timeline Chart block for WordPress
Horizontal Gantt-style timeline showing events and milestones on a shared time axis.
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
Horizontal Gantt-style timeline showing events and milestones on a shared time axis.
Inspector panels on this block: Chart Settings, Layout, Events. Those titles come from index.js, not from a shared template.
Timeline 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 “Timeline Chart” (block name `blockenberg/timeline-chart` in block.json). Style it in the sidebar after insert.
How to use Timeline Chart block for WordPress
- Install Blockenberg. Install from WordPress.org and activate the plugin.
- Insert the block. Edit a page, click +, search for “Timeline Chart”, insert it. Category: Charts.
- Configure inspector controls that exist on this block. Open Chart Settings. Set “Chart Settings — Title”, “Show Title”, “Show Grid Lines”, “Show Duration Labels”.
- 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: Project Roadmap 2025. Saved as `title`. |
| Show Title | On/off toggle in the inspector. On by default. Saved as `showTitle`. |
| Show Grid Lines | On/off toggle in the inspector. On by default. Saved as `showGrid`. |
| Show Duration Labels | On/off toggle in the inspector. On by default. Saved as `showValues`. |
| Time Unit Label | Text field in the inspector. block.json default: Month. Saved as `timeUnit`. |
| Time Start | Numeric range control in the inspector. Range -100–10000. block.json default: 0. Saved as `timeStart`. |
| Time End | Numeric range control in the inspector. Range -100–10000. block.json default: 12. Saved as `timeEnd`. |
| Canvas Width | Numeric range control in the inspector. Range 300–1200. block.json default: 720. Saved as `svgWidth`. |
| Row Height | Numeric range control in the inspector. Range 24–80. block.json default: 44. Saved as `rowHeight`. |
| Bar Height | Numeric range control in the inspector. Range 10–50. block.json default: 22. Saved as `barHeight`. |
| Label Column Width | Numeric range control in the inspector. Range 60–260. block.json default: 130. Saved as `padLeft`. |
| Label Font Size | Numeric range control in the inspector. Range 8–20. block.json default: 12. Saved as `labelFontSize`. |
| Bar Font Size | Numeric range control in the inspector. Range 7–16. block.json default: 10. Saved as `barFontSize`. |
| 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`. |
| Axis lines | Color control in the inspector. block.json default: #e5e7eb. Saved as `axisColor`. |
| Colors — Title | Color control in the inspector. block.json default: #111827. Saved as `titleColor`. |
| Colors — Text | Color control in the inspector. block.json default: #374151. Saved as `textColor`. |
| Label | Text field in the inspector. |
| Start | Text field in the inspector. |
| End | Text field in the inspector. |
When this is the right block
- Horizontal Gantt-style timeline showing events and milestones on a shared time axis — that is the job of Timeline 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 Timeline Chart block in WordPress?
Install Blockenberg from WordPress.org, edit a page in the block editor, click +, and search for “Timeline Chart”. It sits under Charts. After insert, open Chart Settings and set “Chart Settings — Title”, “Show Title”, “Show Grid Lines”, “Show Duration Labels”.
What makes Timeline Chart different from other Blockenberg blocks?
Horizontal Gantt-style timeline showing events and milestones on a shared time axis. Inspector labels on this block include “Chart Settings — Title”, “Show Title”, “Show Grid Lines”, “Show Duration Labels”.
Is the Timeline Chart Gutenberg block free?
Yes. Timeline Chart ships inside Blockenberg. Get the plugin from WordPress.org — no paid add-on is required for this block.
Can I style Timeline 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, Events).
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Get Blockenberg
Install Blockenberg from WordPress.org, then insert Timeline Chart from the Gutenberg inserter.