note-app-elements/na-behavior.html at master · googlearchive/note-app-elements · GitHub

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<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../app-storage/app-network-status-behavior.html">

<script>
  (function() {
    'use strict';

    /**
     * @polymerBehavior Polymer.NoteAppBehaviorImpl
     */
    Polymer.NoteAppBehaviorImpl = {
      properties: {
        editableNoteId: {
          type: String,
          notify: true
        }
      },

      get notesPath() {
        return '';
      },

      get isEditable() {
        return true;
      },

      toEditableId: function(noteId) {
        return noteId;
      },

      edit: function(event) {
        if (this.isEditable) {
          var noteElement = Polymer.dom(event).localTarget;
          this.editableNoteId = this.toEditableId(noteElement.id);

          this.$.document.transactionsComplete.then(function() {
            this.$.editor.open(noteElement);
          }.bind(this));
        }
      },

      create: function() {
        if (this.isEditable) {
          this.editableNoteId = null;
          this.$.editor.open();
        }
      },

      commitChange: function(event) {
        var changeCommits;

        switch (event.detail) {
          case 'save':
            changeCommits = this.save();
            break;
          case 'delete':
            changeCommits = this.delete();
            break;
          default:
            changeCommits = Promise.resolve();
            break;
        }

        if (this.$.query && this.$.query.refresh) {
          changeCommits.then(function() {
            this.$.query.refresh();
          }.bind(this));
        }
      },

      save: function() {
        if (this.$.document.isNew &&
            (this.editableNote.title ||
             this.editableNote.body)) {
          return this.$.document.saveValue(this.notesPath).then(function() {
            this.$.document.reset();
          }.bind(this));
        }

        return Promise.resolve();
      },

      delete: function() {
        if (!this.$.document.isNew) {
          this.$.document.destroy();
        }

        return Promise.resolve();
      },

      signOut: function() {
        if (this.$.auth) {
          this.$.auth.signOut();
        }
      }
    };

    /**
     * @polymerBehavior Polymer.NoteAppBehavior
     */
    Polymer.NoteAppBehavior = [
      Polymer.AppNetworkStatusBehavior,
      Polymer.NoteAppBehaviorImpl
    ];
  })();
</script>