Jlab extension that adjusts cell width among full width, half width, 1/3, 2/3, etc. Gridwidth replaces former 'split-cell' extension in the classic notebook.
Project description
jupyterlab-gridwidth
JupyterLab extension to
- tag cells so that they use a fraction of the width
- can replace former 'split-cell' extension in the classic notebook
It was preferred not to re-use the term 'split', because in jupyterlab split already means, well, to split a cell into 2 cells...
Warning: jlab 4.2 and windowingMode
Starting with jlab 4.2, the windowingMode
setting in the notebook
extension defaults to full
This setting enables an optimized display algorithm, that currently is incompatible with the gridwidth
extension
So as a short-term workaround, for using this extension, you can set this back to defer
in the Settings Editor
, as illustrated below
:class: warning
Starting with 0.4.0, the extension will **silently change this setting for you**
Next releases will likely include a more user-friendly way to handle this
see also this issue for more details
:align: center
:width: 600px
## Requirements
- JupyterLab >= 4.0.0
## Usage
### as a replacement for for former `split-cell`
You can use
- either press the `<->` button on the notebook toolbar and use the drop down list to perform cell width adjustment (shown in the demo gif above)
- or keyboard `Alt+1, Alt+2` (meaning you want to use 1 / 2 of the horizontal space)
- or type `gridwidth` in the Palette and pick 1/2
- or command `gridwidth:toggle-1-2`
- that you can bind to a keyboard shortcut of your choice
- you can also apply width change to multiple cells which are selected (use `shift + click` or `shift + up/down` to select)
### to convert your notebooks
```bash
splitcell-to-gridwidth notebook1 .. notebookN
will replace the old cell_style: split
with the new gridwidth-1-2
tag in all
notebooks passed as arguments
palette commands
gridwidth:toggle-1-2
and so ongridwidth:cancel
to reset to full width
keyboard shortcuts
Alt+1, Alt+2
and so on; these will toggle the corresponding tag, and remove any other tag that might be presentAlt+0
to reset to full width
available tags:
gridwidth-1-2
(50%)gridwidth-1-3
(~33%)gridwidth-2-3
(~66%)gridwidth-1-4
gridwidth-2-4
,gridwidth-3-4
gridwidth-1-5
gridwidth-2-5
,gridwidth-3-5
,gridwidth-4-5
gridwidth-1-6
gridwidth-2-6
,gridwidth-3-6
,gridwidth-4-6
,gridwidth-5-6
other controls
since this exclusively relies on the presence of the above tags, you can also use jupyterlab's so called "Property Inspector" feature; of course in this case you're in charge of dealing with duplicate tags...
limitations
rendering is exclusively done in CSS; converting to a non-HTML format will ruin this layout
however we will try to provide a CSS file usable with jupyter-book to preserve the layout in jb's HTML output (not yet available)
Install
To install the extension, execute:
pip install jupyterlab-gridwidth
Uninstall
To remove the extension, execute:
pip uninstall jupyterlab-gridwidth
Development install
WARNING from this point on, this is the boilerplate text that comes with the extension cookie-cutter template; it is not guaranteed to be accurate
Note: You will need NodeJS to build the extension package.
The jlpm
command is JupyterLab's pinned version of
yarn that is installed with JupyterLab. You may use
yarn
or npm
in lieu of jlpm
below.
# Clone the repo to your local environment
# Change directory to the jupyterlab-gridwidth directory
# Install package in development mode
pip install -e "."
# Link your development version of the extension with JupyterLab
jupyter labextension develop . --overwrite
# Rebuild extension Typescript source after making changes
jlpm build
You can watch the source directory and run JupyterLab at the same time in different terminals to watch for changes in the extension's source and automatically rebuild the extension.
# Watch the source directory in one terminal, automatically rebuilding when needed
jlpm watch
# Run JupyterLab in another terminal
jupyter lab
With the watch command running, every saved change will immediately be built locally and available in your running JupyterLab. Refresh JupyterLab to load the change in your browser (you may need to wait several seconds for the extension to be rebuilt).
By default, the jlpm build
command generates the source maps for this
extension to make it easier to debug using the browser dev tools. To also
generate source maps for the JupyterLab core extensions, you can run the
following command:
jupyter lab build --minimize=False
Development uninstall
pip uninstall jupyterlab-gridwidth
In development mode, you will also need to remove the symlink created by
jupyter labextension develop
command. To find its location, you can run
jupyter labextension list
to figure out where the labextensions
folder is
located. Then you can remove the symlink named jupyterlab-gridwidth
within
that folder.
Packaging the extension
See RELEASE
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