cpython/Doc/tools/static/copybutton.js

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$(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-python3 .highlight')
var pre = div.find('pre');
// get the styles from the current theme
pre.parent().parent().css('position', 'relative');
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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%',
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'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');
}
});
});