src/editor/modules/documentCanvas/commands.js

   1 define([
   2 './canvas/utils',
   3 'views/dialog/dialog',
   4 'fnpjs/datetime'
   5 ], function(utils, Dialog, datetime) {
   6
   7 'use strict';
   8 /* globals gettext */
   9
  10
  11 var gridToggled = false;
  12
  13 var commands = {
  14     _cmds: {},
  15     register: function(name, command) {
  16         this._cmds[name] = command;
  17     },
  18
  19     run: function(name, params, canvas, user) {
  20         return this._cmds[name](canvas, params, user);
  21     }
  22 };
  23
  24 commands.register('undo', function(canvas) {
  25     var doc = canvas.wlxmlDocument;
  26
  27     doc.undo();
  28 });
  29
  30 commands.register('redo', function(canvas) {
  31     var doc = canvas.wlxmlDocument;
  32
  33     doc.redo();
  34 });
  35
  36 commands.register('remove-node', function(canvas) {
  37     canvas.getCurrentNodeElement().wlxmlNode.detach();
  38 });
  39
  40 commands.register('unwrap-node', function(canvas) {
  41     var cursor = canvas.getCursor(),
  42         selectionStart = cursor.getSelectionStart(),
  43         selectionEnd = cursor.getSelectionEnd(),
  44         parent1 = selectionStart.element.parent() || undefined,
  45         parent2 = selectionEnd.element.parent() || undefined;
  46
  47     var selectionAnchor = cursor.getSelectionAnchor(),
  48         node1 = parent1.wlxmlNode,
  49         node2 = parent2.wlxmlNode,
  50         doc = node1.document;
  51     if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
  52         doc.extractItems({item1: node1, item2: node2});
  53         canvas.setCurrentElement(selectionAnchor.element, {caretTo: selectionAnchor.offset});
  54     } else if(!cursor.isSelecting()) {
  55         var nodeToUnwrap = cursor.getPosition().element.wlxmlNode,
  56             parentNode = nodeToUnwrap.unwrap();
  57         if(parentNode) {
  58             canvas.setCurrentElement(utils.findCanvasElement(parentNode));
  59         }
  60     }
  61 });
  62
  63 commands.register('wrap-node', function(canvas) {
  64     var cursor = canvas.getCursor(),
  65         selectionStart = cursor.getSelectionStart(),
  66         selectionEnd = cursor.getSelectionEnd(),
  67         parent1 = selectionStart.element.parent() || undefined,
  68         parent2 = selectionEnd.element.parent() || undefined;
  69
  70     var node1 = parent1.wlxmlNode,
  71         node2 = parent2.wlxmlNode,
  72         doc = node1.document;
  73
  74     if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
  75         doc.createList({node1: node1, node2: node2});
  76     }
  77 });
  78
  79 commands.register('list', function(canvas, params) {
  80     void(params);
  81     var cursor = canvas.getCursor(),
  82         selectionStart = cursor.getSelectionStart(),
  83         selectionEnd = cursor.getSelectionEnd(),
  84         parent1 = selectionStart.element.parent() || undefined,
  85         parent2 = selectionEnd.element.parent() || undefined,
  86         selectionFocus = cursor.getSelectionFocus(),
  87         node1 = parent1.wlxmlNode,
  88         node2 = parent2.wlxmlNode,
  89         doc = node1.document;
  90
  91     if(cursor.isSelecting()) {
  92         doc.transaction(function() {
  93             doc.createList({node1: node1, node2: node2, klass: params.meta === 'num' ? 'list.enum' : 'list'});
  94         }, {
  95             success: function() {
  96                 canvas.setCurrentElement(selectionFocus.element, {caretTo: selectionFocus.offset});
  97             }
  98         });
  99     } else {
 100         var list;
 101         if(node1.isInside('list')) {
 102             list = node1.getParent('list');
 103             if((params.meta === 'num' && list.getClass() === 'list.enum') || params.meta !== 'num' && list.getClass() === 'list') {
 104                 list.object.extractAllItems();
 105             } else {
 106                 list.setClass(params.meta === 'num' ? 'list.enum' : 'list');
 107             }
 108         }
 109     }
 110 });
 111
 112 commands.register('toggle-grid', function(canvas, params) {
 113     canvas.doc().dom().parent().toggleClass('grid-on', params.toggle);
 114     gridToggled = params.toggle;
 115 });
 116
 117 commands.register('newNodeRequested', function(canvas, params, user) {
 118     var cursor = canvas.getCursor(),
 119         selectionStart = cursor.getSelectionStart(),
 120         selectionEnd = cursor.getSelectionEnd(),
 121         wlxmlNode, caretTo, wrapperCanvasElement;
 122
 123     var insertNode = function(insertion, callback) {
 124         var doc = canvas.wlxmlDocument,
 125             metadata, creator, dialog;
 126
 127         var execCallback = function(node) {
 128             if(callback) {
 129                 callback(node);
 130             }
 131         };
 132
 133         if(params.wlxmlTag === 'aside' && params.wlxmlClass === 'comment') {
 134             doc.transaction(function() {
 135                 var node = insertion();
 136                 if(user) {
 137                     creator = user.name;
 138                     if(user.email) {
 139                         creator += ' (' + user.email + ')';
 140                     }
 141                 } else {
 142                     creator = 'anonymous';
 143                 }
 144
 145                 metadata = node.getMetadata();
 146                 metadata.add({key: 'creator', value: creator});
 147                 metadata.add({key: 'date', value: datetime.currentStrfmt()});
 148                 return node;
 149             }, {
 150                 success: execCallback
 151             });
 152         } else if(params.wlxmlClass === 'link') {
 153             dialog = Dialog.create({
 154                 title: gettext('Create link'),
 155                 executeButtonText: gettext('Apply'),
 156                 cancelButtonText: gettext('Cancel'),
 157                 fields: [
 158                     {label: gettext('Link'), name: 'href', type: 'input'}
 159                 ]
 160             });
 161             dialog.on('execute', function(event) {
 162                 doc.transaction(function() {
 163                     var node = insertion();
 164                     node.setAttr('href', event.formData.href);
 165                     event.success();
 166                     return node;
 167                 }, {
 168                     success: execCallback
 169                 });
 170             });
 171             dialog.show();
 172         } else {
 173             doc.transaction(function() {
 174                 return insertion();
 175             }, {success: execCallback});
 176         }
 177     };
 178
 179     if(cursor.isSelecting()) {
 180         if(cursor.isSelectingSiblings()) {
 181             if(cursor.isSelectingWithinElement()) {
 182                 wlxmlNode = selectionStart.element.wlxmlNode;
 183                 caretTo = selectionStart.offset < selectionEnd.offset ? 'start' : 'end';
 184
 185                 insertNode(
 186                     function() {
 187                         return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}, start: selectionStart.offset, end: selectionEnd.offset});
 188                     },
 189                     function(wrapper) {
 190                         wrapperCanvasElement = utils.findCanvasElement(wrapper);
 191                         canvas.setCurrentElement(wrapperCanvasElement.children()[0], {caretTo: caretTo});
 192                     }
 193                 );
 194             }
 195             else {
 196                 wlxmlNode = selectionStart.element.wlxmlNode.parent();
 197                 caretTo = selectionStart.element.sameNode(cursor.getSelectionAnchor().element) ? 'end' : 'start';
 198
 199                 insertNode(
 200                     function() {
 201                         return wlxmlNode.wrapText({
 202                             _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}},
 203                             offsetStart: selectionStart.offset,
 204                             offsetEnd: selectionEnd.offset,
 205                             textNodeIdx: [wlxmlNode.indexOf(selectionStart.element.wlxmlNode), wlxmlNode.indexOf(selectionEnd.element.wlxmlNode)] //parent.childIndex(selectionEnd.element)]
 206                         });
 207                     },
 208                     function(wrapper) {
 209                         wrapperCanvasElement = utils.findCanvasElement(wrapper);
 210                         canvas.setCurrentElement(wrapperCanvasElement.children()[caretTo === 0 ? 0 : wrapperCanvasElement.children().length - 1], {caretTo: caretTo});
 211                     }
 212                 );
 213             }
 214         } else {
 215             var node1 = selectionStart.element.wlxmlNode,
 216                 node2 = selectionEnd.element.wlxmlNode,
 217                 siblingParents = canvas.wlxmlDocument.getSiblingParents({node1: node1, node2: node2});
 218
 219             if(siblingParents) {
 220                 insertNode(
 221                     function() {
 222                         return canvas.wlxmlDocument.wrapNodes({
 223                             node1: siblingParents.node1,
 224                             node2: siblingParents.node2,
 225                             _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}}
 226                         });
 227                     }
 228                 );
 229             }
 230         }
 231     } else if(canvas.getCurrentNodeElement()) {
 232         wlxmlNode = canvas.getCurrentNodeElement().wlxmlNode;
 233
 234         var linkFound = [wlxmlNode].concat(wlxmlNode.parents()).some(function(node) {
 235             if(node.getClass() === 'link') {
 236                 var dialog = Dialog.create({
 237                     title: gettext('Edit link'),
 238                     executeButtonText: gettext('Apply'),
 239                     cancelButtonText: gettext('Cancel'),
 240                     fields: [
 241                         {label: gettext('Link'), name: 'href', type: 'input', initialValue: node.getAttr('href')},
 242                     ]
 243                 });
 244                 dialog.on('execute', function(event) {
 245                     canvas.wlxmlDocument.transaction(function() {
 246                         node.setAttr('href', event.formData.href);
 247                         event.success();
 248                     });
 249                 });
 250                 dialog.show();
 251                 return true;
 252             }
 253         });
 254         if(linkFound) {
 255             return;
 256         }
 257
 258         if(params.ctrlKey) {
 259             insertNode(
 260                 function() {
 261                     return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}});
 262                 },
 263                 function(wrapper) {
 264                     canvas.setCurrentElement(utils.findCanvasElement(wrapper));
 265                 }
 266             );
 267         } else {
 268             insertNode(
 269                 function() {
 270                     var node = wlxmlNode.after({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}});
 271                     node.append({text:''});
 272                     return node;
 273                 }, function(wrapper) {
 274                     canvas.setCurrentElement(utils.findCanvasElement(wrapper));
 275                 }
 276             );
 277         }
 278     }
 279 });
 280
 281 commands.register('footnote', function(canvas, params) {
 282     void(params);
 283     var cursor = canvas.getCursor(),
 284         position = cursor.getPosition(),
 285         asideNode, asideElement, node;
 286
 287
 288     if(cursor.isSelectingWithinElement()) {
 289         asideNode = position.element.wlxmlNode.wrapWith({tagName: 'aside', attrs:{'class': 'footnote'}, start: cursor.getSelectionStart().offset, end: cursor.getSelectionEnd().offset});
 290     } else {
 291         node = position.element.wlxmlNode;
 292         node.document.transaction(function() {
 293             asideNode = node.divideWithElementNode({tagName: 'aside', attrs:{'class': 'footnote'}}, {offset: position.offset});
 294             asideNode.append({text: ''});
 295         });
 296     }
 297
 298     asideElement = utils.findCanvasElement(asideNode);
 299     asideElement.toggle(true);
 300     canvas.setCurrentElement(asideElement);
 301 });
 302
 303 commands.register('take-away-node', function(canvas) {
 304     var position = canvas.getCursor().getPosition(),
 305         element = position.element,
 306         nodeElement = element ? element.parent() : canvas.getCurrentNodeElement();
 307
 308     if(!nodeElement || !(nodeElement.parent())) {
 309         return;
 310     }
 311
 312     var range = nodeElement.wlxmlNode.unwrapContent();
 313
 314     if(element) {
 315         var elementIsFirstChild = nodeElement.childIndex(element);
 316         if(element.bound()) {
 317             canvas.setCurrentElement(element, {caretTo: position.offset});
 318         } else {
 319             if(elementIsFirstChild) {
 320                 canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'end'});
 321             } else {
 322                 canvas.setCurrentElement(utils.findCanvasElement(range.element2), {caretTo: 'end'});
 323             }
 324         }
 325     } else {
 326         canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'start'});
 327     }
 328
 329 });
 330
 331
 332 return {
 333     run: function(name, params, canvas, user) {
 334         return commands.run(name, params, canvas, user);
 335     }
 336 };
 337
 338 });