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https://github.com/agdamsbo/agdamsbo.github.io.git
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77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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window.initializeCodeFolding = function(show) {
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// handlers for show-all and hide all
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$("#rmd-show-all-code").click(function() {
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$('div.r-code-collapse').each(function() {
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$(this).collapse('show');
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});
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});
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$("#rmd-hide-all-code").click(function() {
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$('div.r-code-collapse').each(function() {
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$(this).collapse('hide');
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});
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});
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// index for unique code element ids
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var currentIndex = 1;
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// select all R code blocks
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var rCodeBlocks = $('pre.r, pre.python, pre.bash, pre.sql, pre.cpp, pre.stan, pre.julia, pre.foldable');
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rCodeBlocks.each(function() {
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// skip if the block has fold-none class
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if ($(this).hasClass('fold-none')) return;
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// create a collapsable div to wrap the code in
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var div = $('<div class="collapse r-code-collapse"></div>');
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var showThis = (show || $(this).hasClass('fold-show')) && !$(this).hasClass('fold-hide');
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var id = 'rcode-643E0F36' + currentIndex++;
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div.attr('id', id);
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$(this).before(div);
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$(this).detach().appendTo(div);
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// add a show code button right above
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var showCodeText = $('<span>' + (showThis ? 'Hide' : 'Code') + '</span>');
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var showCodeButton = $('<button type="button" class="btn btn-default btn-xs btn-secondary btn-sm code-folding-btn pull-right float-right"></button>');
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showCodeButton.append(showCodeText);
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showCodeButton
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.attr('data-toggle', 'collapse')
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.attr('data-bs-toggle', 'collapse') // BS5
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.attr('data-target', '#' + id)
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.attr('data-bs-target', '#' + id) // BS5
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.attr('aria-expanded', showThis)
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.attr('aria-controls', id);
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var buttonRow = $('<div class="row"></div>');
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var buttonCol = $('<div class="col-md-12"></div>');
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buttonCol.append(showCodeButton);
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buttonRow.append(buttonCol);
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div.before(buttonRow);
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// show the div if necessary
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if (showThis) div.collapse('show');
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// update state of button on show/hide
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// * Change text
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// * add a class for intermediate states styling
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div.on('hide.bs.collapse', function () {
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showCodeText.text('Code');
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showCodeButton.addClass('btn-collapsing');
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});
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div.on('hidden.bs.collapse', function () {
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showCodeButton.removeClass('btn-collapsing');
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});
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div.on('show.bs.collapse', function () {
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showCodeText.text('Hide');
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showCodeButton.addClass('btn-expanding');
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});
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div.on('shown.bs.collapse', function () {
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showCodeButton.removeClass('btn-expanding');
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});
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});
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}
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