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                 desc += ': ' + (_.last(params.document[dir+'Stack']).metadata || gettext('unknown operation'));
  67             }
  68             return {
  69                 allowed: allowed,
  70                 description: allowed ? desc : descEmpty
  71             };
  72         }
  73     };
  74 };
  75
  76 var pad = function(number) {
  77     if(number < 10) {
  78         number = '0' + number;
  79     }
  80     return number;
  81 };
  82
  83 var commentAction = {
  84     name: 'comment',
  85     params: {
  86         fragment: {type: 'context', name: 'fragment'}
  87     },
  88     stateDefaults: {
  89         icon: 'comment',
  90         execute: function(params, editor) {
  91             /* globals Node */
  92             var node = params.fragment.node;
  93             if(node.nodeType === Node.TEXT_NODE) {
  94                 node = node.parent();
  95             }
  96             node.document.transaction(function() {
  97                 var comment =  node.after({tagName: 'aside', attrs: {'class': 'comment'}});
  98                 comment.append({text:''});
  99                 var user = editor.getUser(), creator;
 100                 if(user) {
 101                     creator = user.name;
 102                     if(user.email) {
 103                         creator += ' (' + user.email + ')';
 104                     }
 105                 } else {
 106                     creator = 'anonymous';
 107                 }
 108
 109                 var currentDate = new Date(),
 110                     dt = pad(currentDate.getDate()) + '-' +
 111                                 pad((currentDate.getMonth() + 1))  + '-' +
 112                                 pad(currentDate.getFullYear()) + ' ' +
 113                                 pad(currentDate.getHours()) + ':' +
 114                                 pad(currentDate.getMinutes()) + ':' +
 115                                 pad(currentDate.getSeconds());
 116
 117                 var metadata = comment.getMetadata();
 118                 metadata.add({key: 'creator', value: creator});
 119                 metadata.add({key: 'date', value: dt});
 120             });
 121         },
 122     },
 123     getState: function(params) {
 124         var state = {
 125             allowed: params.fragment && params.fragment.isValid() &&
 126                         params.fragment instanceof params.fragment.NodeFragment && !params.fragment.node.isRoot()
 127         };
 128         if(state.allowed) {
 129             state.description = gettext('Insert comment after current node');
 130         }
 131         return state;
 132     }
 133 };
 134
 135
 136 var createWrapTextAction = function(createParams) {
 137     return {
 138         name: createParams.name,
 139         params: {
 140             fragment: {type: 'context', name: 'fragment'},
 141         },
 142         getState: function(params) {
 143             var state = {
 144                     label: this.config.label
 145                 },
 146                 parent;
 147
 148             if(
 149                 !params.fragment || !params.fragment.isValid() ||
 150                 !(params.fragment instanceof params.fragment.TextRangeFragment) ||
 151                 !params.fragment.hasSiblingBoundries()) {
 152                     return _.extend(state, {allowed: false});
 153             }
 154
 155             parent = params.fragment.startNode.parent();
 156             if(parent && parent.is(createParams.klass) || parent.isInside(createParams.klass)) {
 157                 return _.extend(state, {allowed: false});
 158             }
 159
 160             return _.extend(state, {
 161                 allowed: true,
 162                 execute: function(params) {
 163                     params.fragment.document.transaction(function() {
 164                         var parent = params.fragment.startNode.parent();
 165                         return parent.wrapText({
 166                             _with: {tagName: 'span', attrs: {'class': createParams.klass}},
 167                             offsetStart: params.fragment.startOffset,
 168                             offsetEnd: params.fragment.endOffset,
 169                             textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 170                         });
 171                     });
 172                 }
 173             });
 174         }
 175     };
 176 };
 177
 178
 179 var createLinkFromSelection = function(params) {
 180     var doc = params.fragment.document,
 181         dialog = Dialog.create({
 182             title: gettext('Create link'),
 183             executeButtonText: gettext('Apply'),
 184             cancelButtonText: gettext('Cancel'),
 185             fields: [
 186                 {label: gettext('Link'), name: 'href', type: 'input'}
 187             ]
 188         });
 189
 190     dialog.on('execute', function(event) {
 191         doc.transaction(function() {
 192             var span =  params.fragment.startNode.parent().wrapText({
 193                 _with: {tagName: 'span', attrs: {'class': 'link'}},
 194                 offsetStart: params.fragment.startOffset,
 195                 offsetEnd: params.fragment.endOffset,
 196                 textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
 197             });
 198             span.setAttr('href', event.formData.href);
 199             event.success();
 200             return span;
 201         });
 202     });
 203     dialog.show();
 204 };
 205
 206 var editLink = function(params) {
 207     var doc = params.fragment.document,
 208         link = params.fragment.node.getParent('link'),
 209         dialog = Dialog.create({
 210             title: gettext('Edit link'),
 211             executeButtonText: gettext('Apply'),
 212             cancelButtonText: gettext('Cancel'),
 213             fields: [
 214                 {label: gettext('Link'), name: 'href', type: 'input', initialValue: link.getAttr('href')}
 215             ]
 216         });
 217
 218     dialog.on('execute', function(event) {
 219         doc.transaction(function() {
 220             link.setAttr('href', event.formData.href);
 221             event.success();
 222         });
 223     });
 224     dialog.show();
 225 };
 226
 227 var linkAction = {
 228     name: 'link',
 229     params: {
 230         fragment: {type: 'context', name: 'fragment'}
 231     },
 232     stateDefaults: {
 233         label: gettext('link')
 234     },
 235     getState: function(params) {
 236         if(!params.fragment || !params.fragment.isValid()) {
 237             return {allowed: false};
 238         }
 239
 240         if(params.fragment instanceof params.fragment.TextRangeFragment) {
 241             if(!params.fragment.hasSiblingBoundries() || params.fragment.startNode.parent().is('link')) {
 242                 return {allowed: false};
 243             }
 244             return {
 245                 allowed: true,
 246                 description: gettext('Create link from selection'),
 247                 execute: createLinkFromSelection
 248             };
 249         }
 250
 251         if(params.fragment instanceof params.fragment.CaretFragment) {
 252             if(params.fragment.node.isInside('link')) {
 253                 return {allowed: true, toggled: true, execute: editLink};
 254             }
 255         }
 256         return {allowed: false};
 257     }
 258 };
 259
 260
 261 plugin.actions = [
 262     undoRedoAction('undo'),
 263     undoRedoAction('redo'),
 264     commentAction,
 265     createWrapTextAction({name: 'emphasis', klass: 'emp'}),
 266     createWrapTextAction({name: 'cite', klass: 'cite'}),
 267     linkAction
 268 ].concat(plugin.actions, templates.actions, footnote.actions, switchTo.actions, lists.actions);
 269
 270
 271
 272 plugin.config = function(config) {
 273     // templates.actions[0].config(config.templates);
 274     templates.actions[0].params.template.options = config.templates;
 275 };
 276
 277 return plugin;
 278
 279 });