spark-instrumented-optimizer/python/docs/_static/copybutton.js
sangramga 8375103568 [SPARK-27557][DOC] Add copy button to Python API docs for easier copying of code-blocks
## What changes were proposed in this pull request?

Add a non-intrusive button for python API documentation, which will remove ">>>" prompts and outputs of code - for easier copying of code.

For example: The below code-snippet in the document is difficult to copy due to ">>>" prompts
```
>>> l = [('Alice', 1)]
>>> spark.createDataFrame(l).collect()
[Row(_1='Alice', _2=1)]

```
Becomes this - After the copybutton in the corner of of code-block is pressed - which is easier to copy
```
l = [('Alice', 1)]
spark.createDataFrame(l).collect()
```

![image](https://user-images.githubusercontent.com/9406431/56715817-560c3600-6756-11e9-8bae-58a3d2d57df3.png)

## File changes
Made changes to python/docs/conf.py and copybutton.js - thus only modifying sphinx frontend and no changes were made to the documentation itself- Build process for documentation remains the same.

copybutton.js -> This JS snippet was taken from the official python.org documentation site.

## How was this patch tested?
NA

Closes #24456 from sangramga/copybutton.

Authored-by: sangramga <sangramga@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-05-01 11:26:18 -05:00

67 lines
2.9 KiB
JavaScript

// Copyright 2014 PSF. Licensed under the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
// File originates from the cpython source found in Doc/tools/sphinxext/static/copybutton.js
$(document).ready(function() {
/* Add a [>>>] button on the top-right corner of code samples to hide
* the >>> and ... prompts and the output and thus make the code
* copyable. */
var div = $('.highlight-python .highlight,' +
'.highlight-default .highlight,' +
'.highlight-python3 .highlight')
var pre = div.find('pre');
// get the styles from the current theme
pre.parent().parent().css('position', 'relative');
var hide_text = 'Hide the prompts and output';
var show_text = 'Show the prompts and output';
var border_width = pre.css('border-top-width');
var border_style = pre.css('border-top-style');
var border_color = pre.css('border-top-color');
var button_styles = {
'cursor':'pointer', 'position': 'absolute', 'top': '0', 'right': '0',
'border-color': border_color, 'border-style': border_style,
'border-width': border_width, 'color': border_color, 'text-size': '75%',
'font-family': 'monospace', 'padding-left': '0.2em', 'padding-right': '0.2em',
'border-radius': '0 3px 0 0'
}
// create and add the button to all the code blocks that contain >>>
div.each(function(index) {
var jthis = $(this);
if (jthis.find('.gp').length > 0) {
var button = $('<span class="copybutton">&gt;&gt;&gt;</span>');
button.css(button_styles)
button.attr('title', hide_text);
button.data('hidden', 'false');
jthis.prepend(button);
}
// tracebacks (.gt) contain bare text elements that need to be
// wrapped in a span to work with .nextUntil() (see later)
jthis.find('pre:has(.gt)').contents().filter(function() {
return ((this.nodeType == 3) && (this.data.trim().length > 0));
}).wrap('<span>');
});
// define the behavior of the button when it's clicked
$('.copybutton').click(function(e){
e.preventDefault();
var button = $(this);
if (button.data('hidden') === 'false') {
// hide the code output
button.parent().find('.go, .gp, .gt').hide();
button.next('pre').find('.gt').nextUntil('.gp, .go').css('visibility', 'hidden');
button.css('text-decoration', 'line-through');
button.attr('title', show_text);
button.data('hidden', 'true');
} else {
// show the code output
button.parent().find('.go, .gp, .gt').show();
button.next('pre').find('.gt').nextUntil('.gp, .go').css('visibility', 'visible');
button.css('text-decoration', 'none');
button.attr('title', hide_text);
button.data('hidden', 'false');
}
});
});