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