src/editor/plugins/core/switch.js

   1 define(function(require) {
   2
   3 'use strict';
   4 /* globals gettext */
   5
   6 var _ = require('libs/underscore');
   7
   8
   9 var createSwitchAction = function(createParams) {
  10     return  {
  11         name: createParams.name,
  12         params: {
  13             fragment: {type: 'context', name: 'fragment'},
  14         },
  15         getState: function(params) {
  16             var state = {
  17                     label: this.config.label
  18                 },
  19                 f = params.fragment,
  20                 description;
  21
  22
  23             if(
  24                 !(f && f.isValid()) ||
  25                 !((f instanceof f.CaretFragment) || (f instanceof f.TextRangeFragment && f.getCommonParent()))
  26             ) {
  27                 return _.extend(state, {
  28                     allowed: false,
  29                     description: 'wrong or no selection'
  30                 });
  31             }
  32
  33             var node = f instanceof f.CaretFragment ? f.node.parent() : f.getCommonParent(),
  34                 alreadyInTarget = node.isInside(createParams.to),
  35                 toSwitch = node;
  36
  37             if(!toSwitch.is(createParams.from)) {
  38                 toSwitch = toSwitch.getParent(createParams.from);
  39             }
  40
  41             description = 'Switch to ' + createParams.to.name;
  42             return _.extend(state, {
  43                 allowed: !!toSwitch,
  44                 toggled: alreadyInTarget,
  45                 description: description,
  46                 execute: alreadyInTarget ? function() {} : function() {
  47                     f.document.transaction(function() {
  48                         if(createParams.to.tagName) {
  49                             toSwitch = toSwitch.setTag(createParams.to.tagName);
  50                         }
  51                         if(!_.isUndefined(createParams.to.klass)) {
  52                             toSwitch.setClass(createParams.to.klass);
  53                         }
  54                     }, {
  55                         metadata: {
  56                             description: description
  57                         }
  58                     });
  59                 }
  60             });
  61         }
  62     };
  63 };
  64
  65
  66 return {
  67     actions: [
  68         createSwitchAction({name: 'switchToHeader', from: {tagName: 'div', klass: 'p'}, to: {tagName: 'header', klass: '', name: gettext('header')}}),
  69         createSwitchAction({name: 'switchToParagraph', from: {tagName: 'header'}, to: {tagName: 'div', klass: 'p', name: gettext('paragraf')}})
  70     ]
  71 };
  72
  73 });