src/editor/plugins/core/edumed/gaps/actions.js

   1 define(function(require) {
   2
   3 'use strict';
   4
   5 /* globals gettext */
   6
   7 var _ = require('libs/underscore');
   8
   9
  10 var createGap = {
  11     name: 'createGap',
  12     params: {
  13         fragment: {type: 'context', name: 'fragment'}
  14     },
  15     stateDefaults: {
  16         icon: null,
  17         label: gettext('Create a gap'),
  18         execute: function(callback, params) {
  19             var doc = params.fragment.document;
  20
  21             doc.transaction(function() {
  22                 var wrapper = params.fragment.startNode.parent().wrapText({
  23                         _with: {tagName: 'aside', attrs: {'class': 'gap'}},
  24                         offsetStart: params.fragment.startOffset,
  25                         offsetEnd: params.fragment.endOffset,
  26                         textNodeIdx: [params.fragment.startNode.getIndex(), params.fragment.endNode.getIndex()]
  27                     }),
  28                     last = _.last(wrapper.contents());
  29
  30                 return doc.createFragment(doc.CaretFragment, {node: last, offset: last.getText().length});
  31             }, {
  32                 metadata: {
  33                     description: gettext('Create a gap')
  34                 },
  35                 success: callback
  36             });
  37         }
  38     },
  39     getState: function(params) {
  40         return {
  41             allowed: params.fragment &&
  42                         params.fragment.isValid() &&
  43                         params.fragment instanceof params.fragment.TextRangeFragment &&
  44                         params.fragment.hasSiblingBoundries() &&
  45                         params.fragment.startNode.isInside('exercise.gap') &&
  46                         !params.fragment.startNode.isInside({tagName: 'aside', klass: 'gap'}),
  47
  48             description: gettext('Turn selection into a gap')
  49         };
  50     }
  51 };
  52
  53 var removeGap = {
  54     name: 'removeGap',
  55     params: {
  56         fragment: {type: 'context', name: 'fragment'}
  57     },
  58     stateDefaults: {
  59         icon: null,
  60         label: gettext('Remove a gap'),
  61         execute: function(callback, params) {
  62             var doc = params.fragment.document;
  63
  64             doc.transaction(function() {
  65                 var ret = params.fragment.node.getParent('gap').unwrapContent();
  66
  67                 return doc.createFragment(doc.CaretFragment, {node:ret.element2, offset: ret.element2.getText().length});
  68             }, {
  69                 metadata: {
  70                     description: gettext('Remove a gap')
  71                 },
  72                 success: callback
  73             });
  74         }
  75     },
  76     getState: function(params) {
  77         return {
  78             allowed: params.fragment &&
  79                         params.fragment.isValid() &&
  80                         params.fragment instanceof params.fragment.NodeFragment &&
  81                         params.fragment.node.isInside('exercise.gap') &&
  82                         params.fragment.node.isInside('gap'),
  83
  84             description: gettext('Remove a gap')
  85         };
  86     }
  87 };
  88
  89
  90 return [createGap, removeGap];
  91
  92 });