BookStack Code Mirror - bookstack/blob - resources/js/wysiwyg/plugins-tasklist.js

   1 /**
   2  * @param {Editor} editor
   3  * @param {String} url
   4  */
   5 function register(editor, url) {
   6
   7     // Tasklist UI buttons
   8     editor.ui.registry.addIcon('tasklist', '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M22,8c0-0.55-0.45-1-1-1h-7c-0.55,0-1,0.45-1,1s0.45,1,1,1h7C21.55,9,22,8.55,22,8z M13,16c0,0.55,0.45,1,1,1h7 c0.55,0,1-0.45,1-1c0-0.55-0.45-1-1-1h-7C13.45,15,13,15.45,13,16z M10.47,4.63c0.39,0.39,0.39,1.02,0,1.41l-4.23,4.25 c-0.39,0.39-1.02,0.39-1.42,0L2.7,8.16c-0.39-0.39-0.39-1.02,0-1.41c0.39-0.39,1.02-0.39,1.41,0l1.42,1.42l3.54-3.54 C9.45,4.25,10.09,4.25,10.47,4.63z M10.48,12.64c0.39,0.39,0.39,1.02,0,1.41l-4.23,4.25c-0.39,0.39-1.02,0.39-1.42,0L2.7,16.16 c-0.39-0.39-0.39-1.02,0-1.41s1.02-0.39,1.41,0l1.42,1.42l3.54-3.54C9.45,12.25,10.09,12.25,10.48,12.64L10.48,12.64z"/></svg>');
   9     editor.ui.registry.addToggleButton('tasklist', {
  10         tooltip: 'Task list',
  11         icon: 'tasklist',
  12         active: false,
  13         onAction(api) {
  14             if (api.isActive()) {
  15                 editor.execCommand('RemoveList');
  16             } else {
  17                 editor.execCommand('InsertUnorderedList', null, {
  18                     'list-item-attributes': {
  19                         class: 'task-list-item',
  20                     },
  21                     'list-style-type': 'tasklist',
  22                 });
  23             }
  24         },
  25         onSetup(api) {
  26             editor.on('NodeChange', event => {
  27                 const parentListEl = event.parents.find(el => el.nodeName === 'LI');
  28                 const inList = parentListEl && parentListEl.classList.contains('task-list-item');
  29                 api.setActive(inList);
  30             });
  31         }
  32     });
  33
  34     // Tweak existing bullet list button active state to not be active
  35     // when we're in a task list.
  36     const existingBullListButton = editor.ui.registry.getAll().buttons.bullist;
  37     existingBullListButton.onSetup = function(api) {
  38         editor.on('NodeChange', event => {
  39             const parentList = event.parents.find(el => el.nodeName === 'LI');
  40             const inTaskList = parentList && parentList.classList.contains('task-list-item');
  41             const inUlList = parentList && parentList.parentNode.nodeName === 'UL';
  42             api.setActive(inUlList && !inTaskList);
  43         });
  44     };
  45     existingBullListButton.onAction = function() {
  46         // Cheeky hack to prevent list toggle action treating tasklists as normal
  47         // unordered lists which would unwrap the list on toggle from tasklist to bullet list.
  48         // Instead we quickly jump through an ordered list first if we're within a tasklist.
  49         if (elementWithinTaskList(editor.selection.getNode())) {
  50             editor.execCommand('InsertOrderedList', null, {
  51                 'list-item-attributes': {class: null}
  52             });
  53         }
  54
  55         editor.execCommand('InsertUnorderedList', null, {
  56             'list-item-attributes': {class: null}
  57         });
  58     };
  59     // Tweak existing number list to not allow classes on child items
  60     const existingNumListButton = editor.ui.registry.getAll().buttons.numlist;
  61     existingNumListButton.onAction = function() {
  62         editor.execCommand('InsertOrderedList', null, {
  63             'list-item-attributes': {class: null}
  64         });
  65     };
  66
  67     // Setup filters on pre-init
  68     editor.on('PreInit', () => {
  69         editor.parser.addNodeFilter('li', function(nodes) {
  70             for (const node of nodes) {
  71                 if (node.attributes.map.class === 'task-list-item') {
  72                     parseTaskListNode(node);
  73                 }
  74             }
  75         });
  76         editor.serializer.addNodeFilter('li', function(nodes) {
  77             for (const node of nodes) {
  78                 if (node.attributes.map.class === 'task-list-item') {
  79                     serializeTaskListNode(node);
  80                 }
  81             }
  82         });
  83     });
  84
  85     // Handle checkbox click in editor
  86     editor.on('click', function(event) {
  87         const clickedEl = event.originalTarget;
  88         if (clickedEl.nodeName === 'LI' && clickedEl.classList.contains('task-list-item')) {
  89             handleTaskListItemClick(event, clickedEl, editor);
  90         }
  91     });
  92 }
  93
  94 /**
  95  * @param {Element} element
  96  * @return {boolean}
  97  */
  98 function elementWithinTaskList(element) {
  99     const listEl = element.closest('li');
 100     return listEl && listEl.parentNode.nodeName === 'UL' && listEl.classList.contains('task-list-item');
 101 }
 102
 103 /**
 104  * @param {MouseEvent} event
 105  * @param {Element} clickedEl
 106  * @param {Editor} editor
 107  */
 108 function handleTaskListItemClick(event, clickedEl, editor) {
 109     const bounds = clickedEl.getBoundingClientRect();
 110     const withinBounds = event.clientX <= bounds.right
 111                         && event.clientX >= bounds.left
 112                         && event.clientY >= bounds.top
 113                         && event.clientY <= bounds.bottom;
 114
 115     // Outside of the task list item bounds mean we're probably clicking the pseudo-element.
 116     if (!withinBounds) {
 117         editor.undoManager.transact(() => {
 118             if (clickedEl.hasAttribute('checked')) {
 119                 clickedEl.removeAttribute('checked');
 120             }  else {
 121                 clickedEl.setAttribute('checked', 'checked');
 122             }
 123         });
 124     }
 125 }
 126
 127 /**
 128  * @param {AstNode} node
 129  */
 130 function parseTaskListNode(node) {
 131     // Force task list item class
 132     node.attr('class', 'task-list-item');
 133
 134     // Copy checkbox status and remove checkbox within editor
 135     for (const child of node.children()) {
 136         if (child.name === 'input') {
 137             if (child.attr('checked') === 'checked') {
 138                 node.attr('checked', 'checked');
 139             }
 140             child.remove();
 141         }
 142     }
 143 }
 144
 145 /**
 146  * @param {AstNode} node
 147  */
 148 function serializeTaskListNode(node) {
 149     // Get checked status and clean it from list node
 150     const isChecked = node.attr('checked') === 'checked';
 151     node.attr('checked', null);
 152
 153     const inputAttrs = {type: 'checkbox', disabled: 'disabled'};
 154     if (isChecked) {
 155         inputAttrs.checked = 'checked';
 156     }
 157
 158     // Create & insert checkbox input element
 159     const checkbox = new tinymce.html.Node.create('input', inputAttrs);
 160     checkbox.shortEnded = true;
 161     node.firstChild ? node.insert(checkbox, node.firstChild, true) : node.append(checkbox);
 162 }
 163
 164 /**
 165  * @param {WysiwygConfigOptions} options
 166  * @return {register}
 167  */
 168 export function getPlugin(options) {
 169     return register;
 170 }