src/editor/plugins/core/core.js

   1 define(function(require) {
   2
   3 'use strict';
   4 /* globals gettext */
   5
   6 var _ = require('libs/underscore'),
   7     templates = require('plugins/core/templates'),
   8     footnote = require('plugins/core/footnote'),
   9     switchTo = require('plugins/core/switch'),
  10     lists = require('plugins/core/lists'),
  11     plugin = {name: 'core', actions: [], canvas: {}, documentExtension: {textNode: {}}},
  12     Dialog = require('views/dialog/dialog');
  13
  14
  15 plugin.documentExtension.textNode.transformations = {
  16     breakContent: {
  17         impl: function(args) {
  18             var node = this,
  19                 newNodes, emptyText;
  20             newNodes = node.split({offset: args.offset});
  21             [newNodes.first, newNodes.second].some(function(newNode) {
  22                 if(!(newNode.contents().length)) {
  23                     emptyText = newNode.append({text: ''});
  24                     return true; // break
  25                 }
  26             });
  27             return _.extend(newNodes, {emptyText: emptyText});
  28         },
  29         getChangeRoot: function() {
  30             return this.context.parent().parent();
  31         }
  32     },
  33     mergeContentUp: function() {
  34         var myPrev = this.prev(),
  35             ret;
  36
  37         if(myPrev) {
  38             ret = myPrev.append(this);
  39             return {node: ret, offset: ret.sameNode(this) ? null : ret.getText().length - this.getText().length};
  40         } else {
  41             var range = this.parent().unwrapContent();
  42             return {node: range.element1, offset: 0};
  43         }
  44     }
  45 };
  46
  47 var undoRedoAction = function(dir) {
  48     return {
  49         name: dir,
  50         params: {
  51             document: {type: 'context', name: 'document'},
  52         },
  53         stateDefaults: {
  54             label: dir === 'undo' ? '<-' : '->',
  55             icon: 'share-alt',
  56             iconStyle: dir === 'undo' ? '-webkit-transform: scale(-1,1); transform: scale(-1, 1)' : '',
  57             execute: function(callback, params) {
  58                 params.document[dir]();
  59                 callback();
  60             },
  61         },
  62         getState: function(params) {
  63             var allowed = params.document && !!(params.document[dir+'Stack'].length),
  64                 desc = dir === 'undo' ? gettext('Undo') : gettext('Redo'),
  65                 descEmpty = dir === 'undo' ? gettext('There is nothing to undo') : gettext('There is nothing to redo');
  66             if(allowed) {
  67                 var metadata = _.last(params.document[dir+'Stack']).metadata;
  68                 if(metadata) {
  69                     desc += ': ' + (metadata.description || gettext('unknown operation'));
  70                 }
  71             }
  72             return {
  73                 allowed: allowed,
  74                 description: allowed ? desc : descEmpty
  75             };
  76         }
  77     };
  78 };
  79
  80 var pad = function(number) {
  81     if(number < 10) {
  82         number = '0' + number;
  83     }
  84     return number;
  85 };
  86
  87 var commentAction = {
  88     name: 'comment',
  89     params: {
  90         fragment: {type: 'context', name: 'fragment'}
  91     },
  92     stateDefaults: {
  93         icon: 'comment',
  94         execute: function(callback, params, editor) {
  95             /* globals Node */
  96             var node = params.fragment.node,
  97                 action = this;
  98             if(node.nodeType === Node.TEXT_NODE) {
  99                 node = node.parent();
 100             }
 101             node.document.transaction(function() {
 102                 var comment =  node.after({tagName: 'aside', attrs: {'class': 'comment'}});
 103                 comment.append({text:''});
 104                 var user = editor.getUser(), creator;
 105                 if(user) {
 106                     creator = user.name;
 107                     if(user.email) {
 108                         creator += ' (' + user.email + ')';
 109                     }
 110                 } else {
 111                     creator = 'anonymous';
 112                 }
 113
 114                 var currentDate = new Date(),
 115                     dt = pad(currentDate.getDate()) + '-' +
 116                                 pad((currentDate.getMonth() + 1))  + '-' +
 117                                 pad(currentDate.getFullYear()) + ' ' +
 118                                 pad(currentDate.getHours()) + ':' +
 119                                 pad(currentDate.getMinutes()) + ':' +
 120                                 pad(currentDate.getSeconds());
 121
 122                 var metadata = comment.getMetadata();
 123                 metadata.add({key: 'creator', value: creator});
 124                 metadata.add({key: 'date', value: dt});
 125             }, {
 126                 metadata: {
 127                     description: action.getState().description
 128                 },
 129                 success: callback
 130             });
 131         },
 132     },
 133     getState: function(params) {
 134         var state = {
 135             allowed: params.fragment && params.fragment.isValid() &&
 136                         params.fragment instanceof params.fragment.NodeFragment && !params.fragment.node.isRoot()
 137         };
 138         if(state.allowed) {
 139             state.description = gettext('Insert comment after current node');
 140         }
 141         return state;
 142     }
 143 };
 144
 145
 146 var createWrapTextAction = function(createParams) {
 147     return {
 148         name: createParams.name,
 149         params: {
 150             fragment: {type: 'context', name: 'fragment'},
 151         },
 152         getState: function(params) {
 153             var state = {
 154                     label: this.config.label
 155                 },
 156                 parent;
 157
 158             if(
 159                 !params.fragment || !params.fragment.isValid() ||
 160                 !(params.fragment instanceof params.fragment.TextRangeFragment) ||
 161                 !params.fragment.hasSiblingBoundries()) {
 162                     return _.extend(state, {allowed: false});
 163             }
 164
 165             parent = params.fragment.startNode.parent();
 166             if(parent && parent.is(createParams.klass) || parent.isInside(createParams.klass)) {
 167                 return _.extend(state, {allowed: false});
 168             }
 169
 170             return _.extend(state, {
 171                 allowed: true,
 172                 description: createParams.description,
 173                 execute: function(callback, params) {
 174                     params.fragment.document.transaction(function() {
 175                         var parent = params.fragment.startNode.parent(),
 176                             doc = params.fragment.document,
 177                             wrapper, lastTextNode;
 178
 179                         wrapper = parent.wrapText({
 180                             _with: {tagName: 'span', attrs: {'class': createParams.klass}},
 181                             offsetStart: params.fragment.startOffset,
 182                             offsetEnd: params.fragment.endOffset,
 183                             textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 184                         });
 185
 186                         lastTextNode = wrapper.getLastTextNode();
 187                         if(lastTextNode) {
 188                             return doc.createFragment(doc.CaretFragment, {node: lastTextNode, offset: lastTextNode.getText().length});
 189                         }
 190                     }, {
 191                         metadata: {
 192                             description: createParams.description
 193                         },
 194                         success: callback
 195                     });
 196                 }
 197             });
 198         }
 199     };
 200 };
 201
 202
 203 var createLinkFromSelection = function(callback, params) {
 204     var doc = params.fragment.document,
 205         dialog = Dialog.create({
 206             title: gettext('Create link'),
 207             executeButtonText: gettext('Apply'),
 208             cancelButtonText: gettext('Cancel'),
 209             fields: [
 210                 {label: gettext('Link'), name: 'href', type: 'input'}
 211             ]
 212         }),
 213         action = this;
 214
 215     dialog.on('execute', function(event) {
 216         doc.transaction(function() {
 217             var span =  action.params.fragment.startNode.parent().wrapText({
 218                 _with: {tagName: 'span', attrs: {'class': 'link'}},
 219                 offsetStart: params.fragment.startOffset,
 220                 offsetEnd: params.fragment.endOffset,
 221                 textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 222             }),
 223                 doc = params.fragment.document;
 224             span.setAttr('href', event.formData.href);
 225             event.success();
 226             return doc.createFragment(doc.CaretFragment, {node: span.contents()[0], offset:0});
 227         }, {
 228             metadata: {
 229                 description: action.getState().description
 230             },
 231             success: callback
 232         });
 233     });
 234     dialog.show();
 235 };
 236
 237 var editLink = function(callback, params) {
 238     var doc = params.fragment.document,
 239         link = params.fragment.node.getParent('link'),
 240         dialog = Dialog.create({
 241             title: gettext('Edit link'),
 242             executeButtonText: gettext('Apply'),
 243             cancelButtonText: gettext('Cancel'),
 244             fields: [
 245                 {label: gettext('Link'), name: 'href', type: 'input', initialValue: link.getAttr('href')}
 246             ]
 247         }),
 248         action = this;
 249
 250     dialog.on('execute', function(event) {
 251         doc.transaction(function() {
 252             link.setAttr('href', event.formData.href);
 253             event.success();
 254             return params.fragment;
 255         }, {
 256             metadata: {
 257                 description: action.getState().description
 258             },
 259             success: callback
 260         });
 261     });
 262     dialog.show();
 263 };
 264
 265 var linkAction = {
 266     name: 'link',
 267     params: {
 268         fragment: {type: 'context', name: 'fragment'}
 269     },
 270     stateDefaults: {
 271         label: gettext('link')
 272     },
 273     getState: function(params) {
 274         if(!params.fragment || !params.fragment.isValid()) {
 275             return {allowed: false};
 276         }
 277
 278         if(params.fragment instanceof params.fragment.TextRangeFragment) {
 279             if(!params.fragment.hasSiblingBoundries() || params.fragment.startNode.parent().is('link')) {
 280                 return {allowed: false};
 281             }
 282             return {
 283                 allowed: true,
 284                 description: gettext('Create link from selection'),
 285                 execute: createLinkFromSelection
 286             };
 287         }
 288
 289         if(params.fragment instanceof params.fragment.CaretFragment) {
 290             if(params.fragment.node.isInside('link')) {
 291                 return {allowed: true, toggled: true, execute: editLink};
 292             }
 293         }
 294         return {allowed: false};
 295     }
 296 };
 297
 298
 299 plugin.actions = [
 300     undoRedoAction('undo'),
 301     undoRedoAction('redo'),
 302     commentAction,
 303     createWrapTextAction({name: 'emphasis', klass: 'emp', description: gettext('Mark as emphasized')}),
 304     createWrapTextAction({name: 'cite', klass: 'cite', description: gettext('Mark as citation')}),
 305     linkAction
 306 ].concat(plugin.actions, templates.actions, footnote.actions, switchTo.actions, lists.actions);
 307
 308
 309
 310 plugin.config = function(config) {
 311     // templates.actions[0].config(config.templates);
 312     templates.actions[0].params.template.options = config.templates;
 313 };
 314
 315 return plugin;
 316
 317 });