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(params) {
  58                 params.document[dir]();
  59             },
  60         },
  61         getState: function(params) {
  62             var allowed = params.document && !!(params.document[dir+'Stack'].length),
  63                 desc = dir === 'undo' ? gettext('Undo') : gettext('Redo'),
  64                 descEmpty = dir === 'undo' ? gettext('There is nothing to undo') : gettext('There is nothing to redo');
  65             if(allowed) {
  66                 var metadata = _.last(params.document[dir+'Stack']).metadata;
  67                 if(metadata) {
  68                     desc += ': ' + (metadata.description || gettext('unknown operation'));
  69                 }
  70             }
  71             return {
  72                 allowed: allowed,
  73                 description: allowed ? desc : descEmpty
  74             };
  75         }
  76     };
  77 };
  78
  79 var pad = function(number) {
  80     if(number < 10) {
  81         number = '0' + number;
  82     }
  83     return number;
  84 };
  85
  86 var commentAction = {
  87     name: 'comment',
  88     params: {
  89         fragment: {type: 'context', name: 'fragment'}
  90     },
  91     stateDefaults: {
  92         icon: 'comment',
  93         execute: function(params, editor) {
  94             /* globals Node */
  95             var node = params.fragment.node,
  96                 action = this;
  97             if(node.nodeType === Node.TEXT_NODE) {
  98                 node = node.parent();
  99             }
 100             node.document.transaction(function() {
 101                 var comment =  node.after({tagName: 'aside', attrs: {'class': 'comment'}});
 102                 comment.append({text:''});
 103                 var user = editor.getUser(), creator;
 104                 if(user) {
 105                     creator = user.name;
 106                     if(user.email) {
 107                         creator += ' (' + user.email + ')';
 108                     }
 109                 } else {
 110                     creator = 'anonymous';
 111                 }
 112
 113                 var currentDate = new Date(),
 114                     dt = pad(currentDate.getDate()) + '-' +
 115                                 pad((currentDate.getMonth() + 1))  + '-' +
 116                                 pad(currentDate.getFullYear()) + ' ' +
 117                                 pad(currentDate.getHours()) + ':' +
 118                                 pad(currentDate.getMinutes()) + ':' +
 119                                 pad(currentDate.getSeconds());
 120
 121                 var metadata = comment.getMetadata();
 122                 metadata.add({key: 'creator', value: creator});
 123                 metadata.add({key: 'date', value: dt});
 124             }, {
 125                 metadata: {
 126                     description: action.getState().description
 127                 }
 128             });
 129         },
 130     },
 131     getState: function(params) {
 132         var state = {
 133             allowed: params.fragment && params.fragment.isValid() &&
 134                         params.fragment instanceof params.fragment.NodeFragment && !params.fragment.node.isRoot()
 135         };
 136         if(state.allowed) {
 137             state.description = gettext('Insert comment after current node');
 138         }
 139         return state;
 140     }
 141 };
 142
 143
 144 var createWrapTextAction = function(createParams) {
 145     return {
 146         name: createParams.name,
 147         params: {
 148             fragment: {type: 'context', name: 'fragment'},
 149         },
 150         getState: function(params) {
 151             var state = {
 152                     label: this.config.label
 153                 },
 154                 parent;
 155
 156             if(
 157                 !params.fragment || !params.fragment.isValid() ||
 158                 !(params.fragment instanceof params.fragment.TextRangeFragment) ||
 159                 !params.fragment.hasSiblingBoundries()) {
 160                     return _.extend(state, {allowed: false});
 161             }
 162
 163             parent = params.fragment.startNode.parent();
 164             if(parent && parent.is(createParams.klass) || parent.isInside(createParams.klass)) {
 165                 return _.extend(state, {allowed: false});
 166             }
 167
 168             return _.extend(state, {
 169                 allowed: true,
 170                 description: createParams.description,
 171                 execute: function(params) {
 172                     params.fragment.document.transaction(function() {
 173                         var parent = params.fragment.startNode.parent();
 174                         return parent.wrapText({
 175                             _with: {tagName: 'span', attrs: {'class': createParams.klass}},
 176                             offsetStart: params.fragment.startOffset,
 177                             offsetEnd: params.fragment.endOffset,
 178                             textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 179                         });
 180                     }, {
 181                         metadata: {
 182                             description: createParams.description
 183                         }
 184                     });
 185                 }
 186             });
 187         }
 188     };
 189 };
 190
 191
 192 var createLinkFromSelection = function(params) {
 193     var doc = params.fragment.document,
 194         dialog = Dialog.create({
 195             title: gettext('Create link'),
 196             executeButtonText: gettext('Apply'),
 197             cancelButtonText: gettext('Cancel'),
 198             fields: [
 199                 {label: gettext('Link'), name: 'href', type: 'input'}
 200             ]
 201         }),
 202         action = this;
 203
 204     dialog.on('execute', function(event) {
 205         doc.transaction(function() {
 206             var span =  params.fragment.startNode.parent().wrapText({
 207                 _with: {tagName: 'span', attrs: {'class': 'link'}},
 208                 offsetStart: params.fragment.startOffset,
 209                 offsetEnd: params.fragment.endOffset,
 210                 textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 211             });
 212             span.setAttr('href', event.formData.href);
 213             event.success();
 214             return span;
 215         }, {
 216             metadata: {
 217                 description: action.getState().description
 218             }
 219         });
 220     });
 221     dialog.show();
 222 };
 223
 224 var editLink = function(params) {
 225     var doc = params.fragment.document,
 226         link = params.fragment.node.getParent('link'),
 227         dialog = Dialog.create({
 228             title: gettext('Edit link'),
 229             executeButtonText: gettext('Apply'),
 230             cancelButtonText: gettext('Cancel'),
 231             fields: [
 232                 {label: gettext('Link'), name: 'href', type: 'input', initialValue: link.getAttr('href')}
 233             ]
 234         }),
 235         action = this;
 236
 237     dialog.on('execute', function(event) {
 238         doc.transaction(function() {
 239             link.setAttr('href', event.formData.href);
 240             event.success();
 241         }, {
 242             metadata: {
 243                 description: action.getState().description
 244             }
 245         });
 246     });
 247     dialog.show();
 248 };
 249
 250 var linkAction = {
 251     name: 'link',
 252     params: {
 253         fragment: {type: 'context', name: 'fragment'}
 254     },
 255     stateDefaults: {
 256         label: gettext('link')
 257     },
 258     getState: function(params) {
 259         if(!params.fragment || !params.fragment.isValid()) {
 260             return {allowed: false};
 261         }
 262
 263         if(params.fragment instanceof params.fragment.TextRangeFragment) {
 264             if(!params.fragment.hasSiblingBoundries() || params.fragment.startNode.parent().is('link')) {
 265                 return {allowed: false};
 266             }
 267             return {
 268                 allowed: true,
 269                 description: gettext('Create link from selection'),
 270                 execute: createLinkFromSelection
 271             };
 272         }
 273
 274         if(params.fragment instanceof params.fragment.CaretFragment) {
 275             if(params.fragment.node.isInside('link')) {
 276                 return {allowed: true, toggled: true, execute: editLink};
 277             }
 278         }
 279         return {allowed: false};
 280     }
 281 };
 282
 283
 284 plugin.actions = [
 285     undoRedoAction('undo'),
 286     undoRedoAction('redo'),
 287     commentAction,
 288     createWrapTextAction({name: 'emphasis', klass: 'emp', description: gettext('Mark as emphasized')}),
 289     createWrapTextAction({name: 'cite', klass: 'cite', description: gettext('Mark as citation')}),
 290     linkAction
 291 ].concat(plugin.actions, templates.actions, footnote.actions, switchTo.actions, lists.actions);
 292
 293
 294
 295 plugin.config = function(config) {
 296     // templates.actions[0].config(config.templates);
 297     templates.actions[0].params.template.options = config.templates;
 298 };
 299
 300 return plugin;
 301
 302 });