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ember-mobiledoc-editor

A Mobiledoc editor for Ember.js apps


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ember-mobiledoc-editor

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A Mobiledoc editor written using Ember.js UI components and Mobiledoc Kit.

Additionally, ember-mobiledoc-editor supports the creation of Mobiledoc cards as Ember components. This is a significant improvement for developer ergonomics over using Mobiledoc cards directly.

Installation

ember install ember-mobiledoc-editor

ember-mobiledoc-editor will install the mobiledoc-kit package as a dependency and load its assets.

Usage

This addon is primarily composed of components used for building an editor UI.

{{mobiledoc-editor}}

This component is the main entrance point for a mobiledoc editor instance in your Ember app. Used in the most basic form it will render a dummy editor with no toolbar. For example this usage:

{{mobiledoc-editor}}

Will render a blank Mobiledoc into the following DOM:

<article class="mobiledoc-editor">
  <div class="mobiledoc-editor__editor-wrapper">
    <div class="mobiledoc-editor__editor"></div>
  </div>
</article>

The components accepts these arguments:

  • mobiledoc, a Mobiledoc to be edited
  • cards, an array of available cards for use by the editor. Jump to the section on Component-based cards for more detail on how to use cards with Ember components.
  • spellcheck boolean
  • autofocus boolean
  • placeholder string -- the placeholder text to display when the mobiledoc is blank
  • options hash -- any properties in the options hash will be passed to the MobiledocKitEditor constructor
  • serializeVersion string -- The mobiledoc version to serialize to when firing the on-change action. Default: 0.3.0
  • on-change -- Accepts an action that the component will send every time the mobiledoc is updated
  • will-create-editor -- Accepts an action that will be sent when the instance of the MobiledocKitEditor is about to be created This action may be fired more than once if the component's mobiledoc property is set to a new value.
  • did-create-editor -- Accepts an action that will be sent after the instance of the MobiledocKitEditor is created. The action is passed the created editor instance. This action may be fired more than once if the component's mobiledoc property is set to a new value.

For example, the following index route and template would log before and after creating the MobiledocKitEditor, and every time the user modified the mobiledoc (by typing some text, e.g.).

// routes/index.js

export default Ember.Route.extend({
 ...,
 actions: {
   mobiledocWasUpdated(updatedMobiledoc) {
     console.log('New mobiledoc:',updatedMobiledoc);
     // note that this action will be fired for every changed character,
     // so you may want to debounce API calls if you are using it for
     // an "autosave" feature.
   },
   willCreateEditor() {
     console.log('about to create the editor');
   },
   didCreateEditor(editor) {
     console.log('created the editor:', editor);
   }
 }
});
{{! index.hbs }}

{{mobiledoc-editor
    on-change=(action 'mobiledocWasUpdated')
    will-create-editor=(action 'willCreateEditor')
    did-create-editor=(action 'didCreateEditor')
}}

Of course often you want to provide a user interface to bold text, create headlines, or otherwise reflect the state of the editor.

Called with a block, the editor param is yielded.

{{#mobiledoc-editor mobiledoc=someDoc as |editor|}}
{{/mobiledoc-editor}}

editor has the following properties, useful to inspect the current state of the editor:

  • editor, the Mobiledoc kit editor instance itself
  • activeSectionTagNames, an object with true values for section tag names in the current selection. For example activeSectionTagNames.isH1.
  • activeMarkupTagNames, an object with true values for markup tag names in the current selection. For example activeMarkupTagNames.isStrong

Additionally editor provides the following actions:

  • toggleMarkup, toggling the passed markup tag name in the current selection.
  • toggleSection, toggling the passed section tag name in the current selection.
  • toggleLink, toggling the linking of a selection. The user will be prompted for a URL if required.
  • addCard, passed a card name and payload will add that card at the end of
  • addCardInEditMode, passed a card name and payload will add that card at the end of a post and render it in "edit" mode initially.
  • createListSection, changing selected content into list items.

The editor object is often used indirectly by passing it to other components. For example:

{{#mobiledoc-editor as |editor|}}
  <div class="toolbar">
    {{mobiledoc-markup-button editor=editor for="strong"}}
    {{mobiledoc-link-button editor=editor}}
  </div>
{{/mobiledoc-editor}}
{{mobiledoc-section-button}}

Requires two properties:

  • for, the name of the tag
  • editor, the editor instance from mobiledoc-editor

Creates a <button> element that has a class of active when the provided section tag is used in the current selection. For example:

{{mobiledoc-section-button editor=editor for="h2"}}

Alternatively, custom text for the HTML of the button can be yielded:

{{#mobiledoc-section-button editor=editor for="h2"}}
  Headline 2
{{/mobiledoc-section-button}}

When clicked, the section tag name will be toggled.

{{mobiledoc-markup-button}}

Requires two properties:

  • for, the name of the tag
  • editor, the editor instance from mobiledoc-editor

Creates a <button> element that has a class of active when the provided markup tag is used in the current selection. For example:

{{mobiledoc-markup-button editor=editor for="em"}}

Alternatively, custom text for the HTML of the button can be yielded:

{{#mobiledoc-markup-button editor=editor for="em"}}
  Italicize
{{/mobiledoc-markup-button}}

When clicked, the markup tag name will be toggled.

Requires one property:

  • editor, the editor instance from mobiledoc-editor

Creates a <button> element that has a class of active when the an a tag is used in the current selection. For example:

{{mobiledoc-link-button editor=editor}}

Custom text for the HTML of the button can be yielded:

{{#mobiledoc-link-button editor=editor}}
  Toggle Link
{{/mobiledoc-link-button}}

When clicked, the presence of a link will be toggled. The user will be prompted for a URL if required.

{{mobiledoc-toolbar}}

Requires one property:

  • editor, the editor instance from mobiledoc-editor

This component creates a full-featured toolbar for the Mobiledoc editor. For example:

{{#mobiledoc-editor as |editor|}}
  {{mobiledoc-toolbar editor=editor}}
{{/mobiledoc-editor}}

Component-based Cards

Mobiledoc supports "cards", blocks of rich content that are embedded into a post. For more details on the API for authoring cards in vanilla JavaScript, see CARDS.md.

ember-mobiledoc-editor comes with a handle helper for using Ember components as the display and edit modes of a card. Create a list of cards using the createComponentCard helper:

import Ember from 'ember';
import createComponentCard from 'ember-mobiledoc-editor/utils/create-component-card';

export default Ember.Component.extend({
  cards: Ember.computed(function() {
    return [
      createComponentCard('demo-card')
    ];
  })
});

And pass that list into the {{mobiledoc-editor}} component:

{{mobiledoc-editor cards=cards}}

When added to the post (or loaded from a passed-in Mobiledoc), these components will be used:

  • For display, the demo-card component will be called
  • For edit, the demo-card-editor component will be called

The component will be provided with the following attrs:

  • payload, the payload for this card. Note the payload object is disconnected from the card's payload in the serialized mobiledoc. To update the mobiledoc payload, use the saveCard action.
  • editCard, an action for toggling this card into edit mode (this action is a no-op if the card is already in edit mode)
  • removeCard, an action for removing this card (see the "remove" Mobiledoc card action)
  • saveCard, an action accepting new payload for the card, then saving that payload and toggling this card into display mode can optionally be passed an extra false argument to avoid toggling to display mode (see the "save Mobiledoc card action)
  • cancelCard, an action toggling this card to display mode without saving (this action is a no-op if the card is already in display mode) (see the "cancel Mobiledoc card action)
  • cardName the name of this card
  • editor A reference to the mobiledoc-kit
  • postModel A reference to this card's model in the editor's abstract tree. This may be necessary to do programmatic editing (such as moving the card via the postEditor#moveSection API that Mobiledoc editor provides)

Developing ember-mobiledoc-editor

Releasing a new version:

  • update version in package.json and addon/version.js
  • npm run update-changelog
  • git commit -m "v<versionNumber>"
  • git tag v<versionNumber>
  • git push origin --tags
  • npm publish

To get started:

  • git clone this repository
  • npm install
  • bower install

Run the development server:

Run tests:

  • ember test
  • ember test --server

Build to dist/:

  • ember build

For more information on using ember-cli, visit http://www.ember-cli.com/.

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Package last updated on 17 Mar 2016

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