src/editor/plugins/core/links/linkElement.js

   1 define(function(require) {
   2
   3 'use strict';
   4 /* globals gettext */
   5
   6
   7 var $ = require('libs/jquery'),
   8     _ = require('libs/underscore'),
   9     genericElement = require('modules/documentCanvas/canvas/genericElement'),
  10     Dialog = require('views/dialog/dialog'),
  11     boxTemplate = require('libs/text!./box.html'),
  12     add_attachments = require('views/attachments/add_attachments'),
  13     linkElement = Object.create(genericElement);
  14
  15
  16 _.extend(linkElement, {
  17     init: function() {
  18         genericElement.init.call(this);
  19         _.bindAll(this, 'changeLink', 'deleteLink');
  20
  21         var linkText = this.wlxmlNode.getAttr('href') || '',
  22             linkUrl = this.getUrl(linkText),
  23             badLink;
  24
  25         if (linkText.substr(0,7) === 'file://') {
  26             var filename = decodeURIComponent(linkText.substr(7));
  27             // ugly
  28             badLink = (window.materials.indexOf(filename) < 0);
  29         }
  30
  31         this.box = $(_.template(boxTemplate)({text: linkText, url: linkUrl, bad: badLink}));
  32         this.box.find('.change').on('click', this.changeLink);
  33         this.box.find('.delete').on('click', this.deleteLink);
  34         this.box.hide();
  35         this.addWidget(this.box);
  36     },
  37     onStateChange: function(changes) {
  38         genericElement.onStateChange.call(this, changes);
  39         if(_.isBoolean(changes.active)) {
  40             this.box.toggle(changes.active);
  41         }
  42     },
  43     onNodeAttrChange: function(event) {
  44         if(event.meta.attr === 'href') {
  45             var link = this.box.find('[link]');
  46             link.text(event.meta.newVal);
  47             link.attr('href', this.getUrl(event.meta.newVal));
  48         }
  49     },
  50
  51     changeLink: function(e) {
  52         var el = this,
  53             doc = this.wlxmlNode.document,
  54             offset = el.canvas.getSelection().toDocumentFragment().offset,
  55             dialog = Dialog.create({
  56             title: gettext('Edit link'),
  57             executeButtonText: gettext('Apply'),
  58             cancelButtonText: gettext('Cancel'),
  59             fields: [
  60                 {label: gettext('Link'), name: 'href', type: 'input', initialValue: el.wlxmlNode.getAttr('href'),
  61                 prePasteHandler: function(text) {
  62                                     return this.wlxmlNode.document.getLinkForUrl(text);
  63                                 }.bind(this)
  64             }
  65             ]
  66         });
  67         e.preventDefault();
  68         e.stopPropagation();
  69
  70         dialog.on('execute', function(event) {
  71             el.wlxmlNode.document.transaction(function() {
  72                 el.wlxmlNode.setAttr('href', event.formData.href);
  73                 event.success();
  74             }, {
  75                 metadata: {
  76                     description: gettext('Edit link'),
  77                     fragment: doc.createFragment(doc.CaretFragment, {node: el.wlxmlNode.contents()[0], offset:offset})
  78                 },
  79                 success: function() {
  80                     el.canvas.select(doc.createFragment(doc.CaretFragment, {node: el.wlxmlNode.contents()[0], offset:offset}));
  81                 }
  82             });
  83         });
  84         dialog.show();
  85         add_attachments(dialog);
  86     },
  87
  88     deleteLink: function() {
  89         var el = this,
  90             doc = this.wlxmlNode.document;
  91
  92         el.wlxmlNode.document.transaction(function() {
  93             var f = el.canvas.getSelection().toDocumentFragment(),
  94                 prefLen = 0,
  95                 ret;
  96
  97             if(el.wlxmlNode.isPrecededByTextNode()) {
  98                 prefLen = el.wlxmlNode.prev().getText().length;
  99             }
 100
 101             ret = el.wlxmlNode.unwrapContent();
 102             return doc.createFragment(doc.CaretFragment, {node: ret.element1, offset: prefLen + f.offset});
 103         }, {
 104             metadata: {
 105                 description: gettext('Remove link'),
 106                 fragment: doc.createFragment(doc.CaretFragment, {node: el.wlxmlNode.contents()[0], offset:0})
 107             },
 108             success: function(ret) {
 109                 el.canvas.select(ret);
 110             }
 111         });
 112     },
 113
 114     getUrl: function(link) {
 115         var pattern = /^[a-z]*:\/\//g;
 116         if(!pattern.test(link)) {
 117             link = 'http://' + link;
 118         }
 119         return this.wlxmlNode.document.getUrlForLink(link);
 120     }
 121 });
 122
 123 return linkElement;
 124
 125 });