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drupalcampbristol/web/modules/contrib/webform/js/webform.element.codemirror.js
2017-03-16 15:29:07 +00:00

104 lines
3.5 KiB
JavaScript

/**
* @file
* Javascript behaviors for CodeMirror integration.
*/
(function ($, Drupal) {
'use strict';
/**
* Initialize CodeMirror editor.
*
* @type {Drupal~behavior}
*/
Drupal.behaviors.webformCodeMirror = {
attach: function (context) {
// Webform CodeMirror editor.
$(context).find('textarea.js-webform-codemirror').once('webform-codemirror').each(function () {
var $input = $(this);
// Open all closed details, so that editor height is correctly calculated.
var $details = $(this).parents('details:not([open])');
$details.attr('open', 'open');
// #59 HTML5 required attribute breaks hack for webform submission.
// https://github.com/marijnh/CodeMirror-old/issues/59
$(this).removeAttr('required');
var editor = CodeMirror.fromTextArea(this, {
mode: $(this).attr('data-webform-codemirror-mode'),
lineNumbers: true,
viewportMargin: Infinity,
readOnly: $(this).prop('readonly') ? true : false,
// Setting for using spaces instead of tabs - https://github.com/codemirror/CodeMirror/issues/988
extraKeys: {
Tab: function (cm) {
var spaces = Array(cm.getOption('indentUnit') + 1).join(' ');
cm.replaceSelection(spaces, 'end', '+element');
}
}
});
// Now, close details.
$details.removeAttr('open');
// Issue #2764443: CodeMirror is not setting submitted value when
// rendered within a webform UI dialog.
editor.on('blur', function (event) {
editor.save();
});
// Update CodeMirror when the textarea's value has changed.
// @see webform.states.js
$input.on('change', function () {
editor.getDoc().setValue($input.val());
});
// Set CodeMirror to be readonly when the textarea is disabled.
// @see webform.states.js
$input.on('webform:disabled', function () {
editor.setOption("readOnly", $input.is(':disabled'));
});
});
// Webform CodeMirror syntax coloring.
$(context).find('.js-webform-codemirror-runmode').once('webform-codemirror-runmode').each(function () {
// Mode Runner - http://codemirror.net/demo/runmode.html
CodeMirror.runMode($(this).addClass('cm-s-default').html(), $(this).attr('data-webform-codemirror-mode'), this);
});
}
};
// Workaround: When a dialog opens we need to reference all CodeMirror
// editors to make sure they are properly initialized and sized.
$(window).on('dialog:aftercreate', function (dialog, $element, settings) {
// Delay refreshing CodeMirror for 10 millisecond while the dialog is
// still being rendered.
// @see http://stackoverflow.com/questions/8349571/codemirror-editor-is-not-loading-content-until-clicked
setTimeout(function () {
$('.CodeMirror').each(function (index, $element) {
var $details = $(this).parents('details:not([open])');
$details.attr('open', 'open');
$element.CodeMirror.refresh();
// Now, close details.
$details.removeAttr('open');
});
}, 10);
});
// On state:visible refresh CodeMirror elements.
$(document).on('state:visible', function (event) {
var $element = $(event.target);
if ($element.hasClass('js-webform-codemirror')) {
$element.parent().find('.CodeMirror').each(function (index, $element) {
$element.CodeMirror.refresh();
});
}
});
})(jQuery, Drupal);