1 files changed, 91 insertions, 0 deletions
diff --git a/docs/_book/gitbook/gitbook-plugin-code/plugin.js b/docs/_book/gitbook/gitbook-plugin-code/plugin.js
new file mode 100644
index 0000000..555d724
--- /dev/null
+++ b/docs/_book/gitbook/gitbook-plugin-code/plugin.js
@@ -0,0 +1,91 @@
+require(['gitbook', 'jQuery'], function(gitbook, $) {
+
+  const TERMINAL_HOOK = '**[terminal]'
+
+  var pluginConfig = {};
+  var timeouts = {};
+
+  function addCopyButton(wrapper) {
+    wrapper.append(
+        $('<i class="fa fa-clone t-copy"></i>')
+            .click(function() {
+              copyCommand($(this));
+            })
+    );
+  }
+
+  function addCopyTextarea() {
+
+    /* Add also the text area that will allow to copy */
+    $('body').append('<textarea id="code-textarea" />');
+  }
+
+  function copyCommand(button) {
+    pre = button.parent();
+    textarea = $('#code-textarea');
+    textarea.val(pre.text());
+    textarea.focus();
+    textarea.select();
+    document.execCommand('copy');
+    pre.focus();
+    updateCopyButton(button);
+  }
+
+  function initializePlugin(config) {
+    pluginConfig = config.code;
+  }
+
+  function format_code_block(block) {
+    /*
+     * Add line numbers for multiline blocks.
+     */
+    code = block.children('code');
+    lines = code.html().split('\n');
+
+    if (lines[lines.length - 1] == '') {
+      lines.splice(-1, 1);
+    }
+
+    if (lines.length > 1) {
+      console.log(lines);
+      lines = lines.map(line => '<span class="code-line">' + line + '</span>');
+      console.log(lines);
+      code.html(lines.join('\n'));
+    }
+
+    // Add wrapper to pre element
+    wrapper = block.wrap('<div class="code-wrapper"></div>');
+
+    if (pluginConfig.copyButtons) {
+      addCopyButton(wrapper);
+    }
+  }
+
+  function updateCopyButton(button) {
+    id = button.attr('data-command');
+    button.removeClass('fa-clone').addClass('fa-check');
+
+    // Clear timeout
+    if (id in timeouts) {
+      clearTimeout(timeouts[id]);
+    }
+    timeouts[id] = window.setTimeout(function() {
+      button.removeClass('fa-check').addClass('fa-clone');
+    }, 1000);
+  }
+
+  gitbook.events.bind('start', function(e, config) {
+    initializePlugin(config);
+
+    if (pluginConfig.copyButtons) {
+      addCopyTextarea();
+    }
+  });
+
+  gitbook.events.bind('page.change', function() {
+    $('pre').each(function() {
+      format_code_block($(this));
+    });
+  });
+
+});