insideout10/wordlift-plugin-js

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app/admin_files/media-editor.js

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/* global getUserSetting, tinymce, QTags, wpActiveEditor */

// WordPress, TinyMCE, and Media
// -----------------------------
(function($){
    // Stores the editors' `wp.media.controller.Frame` instances.
    var workflows = {};

    wp.media.string = {
        // Joins the `props` and `attachment` objects,
        // outputting the proper object format based on the
        // attachment's type.
        props: function( props, attachment ) {
            var link, linkUrl, size, sizes, fallbacks,
                defaultProps = wp.media.view.settings.defaultProps;

            // Final fallbacks run after all processing has been completed.
            fallbacks = function( props ) {
                // Generate alt fallbacks and strip tags.
                if ( 'image' === props.type && ! props.alt ) {
                    props.alt = props.caption || props.title || '';
                    props.alt = props.alt.replace( /<\/?[^>]+>/g, '' );
                    props.alt = props.alt.replace( /[\r\n]+/g, ' ' );
                }

                return props;
            };

            props = props ? _.clone( props ) : {};

            if ( attachment && attachment.type )
                props.type = attachment.type;

            if ( 'image' === props.type ) {
                props = _.defaults( props || {}, {
                    align:   defaultProps.align || getUserSetting( 'align', 'none' ),
                    size:    defaultProps.size  || getUserSetting( 'imgsize', 'medium' ),
                    url:     '',
                    classes: []
                });
            }

            // All attachment-specific settings follow.
            if ( ! attachment )
                return fallbacks( props );

            props.title = props.title || attachment.title;

            link = props.link || defaultProps.link || getUserSetting( 'urlbutton', 'file' );
            if ( 'file' === link || 'embed' === link )
                linkUrl = attachment.url;
            else if ( 'post' === link )
                linkUrl = attachment.link;
            else if ( 'custom' === link )
                linkUrl = props.linkUrl;
            props.linkUrl = linkUrl || '';

            // Format properties for images.
            if ( 'image' === attachment.type ) {
                props.classes.push( 'wp-image-' + attachment.id );

                sizes = attachment.sizes;
                size = sizes && sizes[ props.size ] ? sizes[ props.size ] : attachment;

                _.extend( props, _.pick( attachment, 'align', 'caption', 'alt' ), {
                    width:     size.width,
                    height:    size.height,
                    src:       size.url,
                    captionId: 'attachment_' + attachment.id
                });
            } else if ( 'video' === attachment.type || 'audio' === attachment.type ) {
                _.extend( props, _.pick( attachment, 'title', 'type', 'icon', 'mime' ) );
            // Format properties for non-images.
            } else {
                props.title = props.title || attachment.filename;
                props.rel = props.rel || 'attachment wp-att-' + attachment.id;
            }

            return fallbacks( props );
        },

        link: function( props, attachment ) {
            var options;

            props = wp.media.string.props( props, attachment );

            options = {
                tag:     'a',
                content: props.title,
                attrs:   {
                    href: props.linkUrl
                }
            };

            if ( props.rel )
                options.attrs.rel = props.rel;

            return wp.html.string( options );
        },

        audio: function( props, attachment ) {
            return wp.media.string._audioVideo( 'audio', props, attachment );
        },

        video: function( props, attachment ) {
            return wp.media.string._audioVideo( 'video', props, attachment );
        },

        _audioVideo: function( type, props, attachment ) {
            var shortcode, html, extension;

            props = wp.media.string.props( props, attachment );
            if ( props.link !== 'embed' )
                return wp.media.string.link( props );

            shortcode = {};

            if ( 'video' === type ) {
                if ( attachment.width )
                    shortcode.width = attachment.width;

                if ( attachment.height )
                    shortcode.height = attachment.height;
            }

            extension = attachment.filename.split('.').pop();

            if ( _.contains( wp.media.view.settings.embedExts, extension ) ) {
                shortcode[extension] = attachment.url;
            } else {
                // Render unsupported audio and video files as links.
                return wp.media.string.link( props );
            }

            html = wp.shortcode.string({
                tag:     type,
                attrs:   shortcode
            });

            return html;
        },

        image: function( props, attachment ) {
            var img = {},
                options, classes, shortcode, html;

            props = wp.media.string.props( props, attachment );
            classes = props.classes || [];

            img.src = typeof attachment !== 'undefined' ? attachment.url : props.url;
            _.extend( img, _.pick( props, 'width', 'height', 'alt' ) );

            // Only assign the align class to the image if we're not printing
            // a caption, since the alignment is sent to the shortcode.
            if ( props.align && ! props.caption )
                classes.push( 'align' + props.align );

            if ( props.size )
                classes.push( 'size-' + props.size );

            img['class'] = _.compact( classes ).join(' ');

            // Generate `img` tag options.
            options = {
                tag:    'img',
                attrs:  img,
                single: true
            };

            // Generate the `a` element options, if they exist.
            if ( props.linkUrl ) {
                options = {
                    tag:   'a',
                    attrs: {
                        href: props.linkUrl
                    },
                    content: options
                };
            }

            html = wp.html.string( options );

            // Generate the caption shortcode.
            if ( props.caption ) {
                shortcode = {};

                if ( img.width )
                    shortcode.width = img.width;

                if ( props.captionId )
                    shortcode.id = props.captionId;

                if ( props.align )
                    shortcode.align = 'align' + props.align;

                html = wp.shortcode.string({
                    tag:     'caption',
                    attrs:   shortcode,
                    content: html + ' ' + props.caption
                });
            }

            return html;
        }
    };

    wp.media.gallery = (function() {
        var galleries = {};

        return {
            defaults: {
                order:      'ASC',
                id:         wp.media.view.settings.post.id,
                itemtag:    'dl',
                icontag:    'dt',
                captiontag: 'dd',
                columns:    '3',
                link:       'post',
                size:       'thumbnail',
                orderby:    'menu_order ID'
            },

            attachments: function( shortcode ) {
                var shortcodeString = shortcode.string(),
                    result = galleries[ shortcodeString ],
                    attrs, args, query, others;

                delete galleries[ shortcodeString ];

                if ( result )
                    return result;

                // Fill the default shortcode attributes.
                attrs = _.defaults( shortcode.attrs.named, wp.media.gallery.defaults );
                args  = _.pick( attrs, 'orderby', 'order' );

                args.type    = 'image';
                args.perPage = -1;

                // Mark the `orderby` override attribute.
                if( undefined !== attrs.orderby )
                    attrs._orderByField = attrs.orderby;

                if ( 'rand' === attrs.orderby )
                    attrs._orderbyRandom = true;

                // Map the `orderby` attribute to the corresponding model property.
                if ( ! attrs.orderby || /^menu_order(?: ID)?$/i.test( attrs.orderby ) )
                    args.orderby = 'menuOrder';

                // Map the `ids` param to the correct query args.
                if ( attrs.ids ) {
                    args.post__in = attrs.ids.split(',');
                    args.orderby  = 'post__in';
                } else if ( attrs.include ) {
                    args.post__in = attrs.include.split(',');
                }

                if ( attrs.exclude )
                    args.post__not_in = attrs.exclude.split(',');

                if ( ! args.post__in )
                    args.uploadedTo = attrs.id;

                // Collect the attributes that were not included in `args`.
                others = _.omit( attrs, 'id', 'ids', 'include', 'exclude', 'orderby', 'order' );

                query = wp.media.query( args );
                query.gallery = new Backbone.Model( others );
                return query;
            },

            shortcode: function( attachments ) {
                var props = attachments.props.toJSON(),
                    attrs = _.pick( props, 'orderby', 'order' ),
                    shortcode, clone;

                if ( attachments.gallery )
                    _.extend( attrs, attachments.gallery.toJSON() );

                // Convert all gallery shortcodes to use the `ids` property.
                // Ignore `post__in` and `post__not_in`; the attachments in
                // the collection will already reflect those properties.
                attrs.ids = attachments.pluck('id');

                // Copy the `uploadedTo` post ID.
                if ( props.uploadedTo )
                    attrs.id = props.uploadedTo;

                // Check if the gallery is randomly ordered.
                delete attrs.orderby;

                if ( attrs._orderbyRandom )
                    attrs.orderby = 'rand';
                else if ( attrs._orderByField && attrs._orderByField != 'rand' )
                    attrs.orderby = attrs._orderByField;

                delete attrs._orderbyRandom;
                delete attrs._orderByField;

                // If the `ids` attribute is set and `orderby` attribute
                // is the default value, clear it for cleaner output.
                if ( attrs.ids && 'post__in' === attrs.orderby )
                    delete attrs.orderby;

                // Remove default attributes from the shortcode.
                _.each( wp.media.gallery.defaults, function( value, key ) {
                    if ( value === attrs[ key ] )
                        delete attrs[ key ];
                });

                shortcode = new wp.shortcode({
                    tag:    'gallery',
                    attrs:  attrs,
                    type:   'single'
                });

                // Use a cloned version of the gallery.
                clone = new wp.media.model.Attachments( attachments.models, {
                    props: props
                });
                clone.gallery = attachments.gallery;
                galleries[ shortcode.string() ] = clone;

                return shortcode;
            },

            edit: function( content ) {
                var shortcode = wp.shortcode.next( 'gallery', content ),
                    defaultPostId = wp.media.gallery.defaults.id,
                    attachments, selection;

                // Bail if we didn't match the shortcode or all of the content.
                if ( ! shortcode || shortcode.content !== content )
                    return;

                // Ignore the rest of the match object.
                shortcode = shortcode.shortcode;

                if ( _.isUndefined( shortcode.get('id') ) && ! _.isUndefined( defaultPostId ) )
                    shortcode.set( 'id', defaultPostId );

                attachments = wp.media.gallery.attachments( shortcode );

                selection = new wp.media.model.Selection( attachments.models, {
                    props:    attachments.props.toJSON(),
                    multiple: true
                });

                selection.gallery = attachments.gallery;

                // Fetch the query's attachments, and then break ties from the
                // query to allow for sorting.
                selection.more().done( function() {
                    // Break ties with the query.
                    selection.props.set({ query: false });
                    selection.unmirror();
                    selection.props.unset('orderby');
                });

                // Destroy the previous gallery frame.
                if ( this.frame )
                    this.frame.dispose();

                // Store the current gallery frame.
                this.frame = wp.media({
                    frame:     'post',
                    state:     'gallery-edit',
                    title:     wp.media.view.l10n.editGalleryTitle,
                    editing:   true,
                    multiple:  true,
                    selection: selection
                }).open();

                return this.frame;
            }
        };
    }());

    wp.media.featuredImage = {
        get: function() {
            return wp.media.view.settings.post.featuredImageId;
        },

        set: function( id ) {
            var settings = wp.media.view.settings;

            settings.post.featuredImageId = id;

            wp.media.post( 'set-post-thumbnail', {
                json:         true,
                post_id:      settings.post.id,
                thumbnail_id: settings.post.featuredImageId,
                _wpnonce:     settings.post.nonce
            }).done( function( html ) {
                $( '.inside', '#postimagediv' ).html( html );
            });
        },

        frame: function() {
            if ( this._frame )
                return this._frame;

            this._frame = wp.media({
                state: 'featured-image',
                states: [ new wp.media.controller.FeaturedImage() ]
            });

            this._frame.on( 'toolbar:create:featured-image', function( toolbar ) {
                this.createSelectToolbar( toolbar, {
                    text: wp.media.view.l10n.setFeaturedImage
                });
            }, this._frame );

            this._frame.state('featured-image').on( 'select', this.select );
            return this._frame;
        },

        select: function() {
            var settings = wp.media.view.settings,
                selection = this.get('selection').single();

            if ( ! settings.post.featuredImageId )
                return;

            wp.media.featuredImage.set( selection ? selection.id : -1 );
        },

        init: function() {
            // Open the content media manager to the 'featured image' tab when
            // the post thumbnail is clicked.
            $('#postimagediv').on( 'click', '#set-post-thumbnail', function( event ) {
                event.preventDefault();
                // Stop propagation to prevent thickbox from activating.
                event.stopPropagation();

                wp.media.featuredImage.frame().open();

            // Update the featured image id when the 'remove' link is clicked.
            }).on( 'click', '#remove-post-thumbnail', function() {
                wp.media.view.settings.post.featuredImageId = -1;
            });
        }
    };

    $( wp.media.featuredImage.init );

    wp.media.editor = {
        insert: function( h ) {
            var mce = typeof(tinymce) != 'undefined',
                qt = typeof(QTags) != 'undefined',
                wpActiveEditor = window.wpActiveEditor,
                ed;

            // Delegate to the global `send_to_editor` if it exists.
            // This attempts to play nice with any themes/plugins that have
            // overridden the insert functionality.
            if ( window.send_to_editor )
                return window.send_to_editor.apply( this, arguments );

            if ( ! wpActiveEditor ) {
                if ( mce && tinymce.activeEditor ) {
                    ed = tinymce.activeEditor;
                    wpActiveEditor = window.wpActiveEditor = ed.id;
                } else if ( !qt ) {
                    return false;
                }
            } else if ( mce ) {
                if ( tinymce.activeEditor && (tinymce.activeEditor.id == 'mce_fullscreen' || tinymce.activeEditor.id == 'wp_mce_fullscreen') )
                    ed = tinymce.activeEditor;
                else
                    ed = tinymce.get(wpActiveEditor);
            }

            if ( ed && !ed.isHidden() ) {
                // restore caret position on IE
                if ( tinymce.isIE && ed.windowManager.insertimagebookmark )
                    ed.selection.moveToBookmark(ed.windowManager.insertimagebookmark);

                if ( h.indexOf('[caption') !== -1 ) {
                    if ( ed.wpSetImgCaption )
                        h = ed.wpSetImgCaption(h);
                } else if ( h.indexOf('[gallery') !== -1 ) {
                    if ( ed.plugins.wpgallery )
                        h = ed.plugins.wpgallery._do_gallery(h);
                } else if ( h.indexOf('[embed') === 0 ) {
                    if ( ed.plugins.wordpress )
                        h = ed.plugins.wordpress._setEmbed(h);
                }

                ed.execCommand('mceInsertContent', false, h);
            } else if ( qt ) {
                QTags.insertContent(h);
            } else {
                document.getElementById(wpActiveEditor).value += h;
            }

            // If the old thickbox remove function exists, call it in case
            // a theme/plugin overloaded it.
            if ( window.tb_remove )
                try { window.tb_remove(); } catch( e ) {}
        },

        add: function( id, options ) {
            var workflow = this.get( id );

            if ( workflow ) // only add once: if exists return existing
                return workflow;

            workflow = workflows[ id ] = wp.media( _.defaults( options || {}, {
                frame:    'post',
                state:    'insert',
                title:    wp.media.view.l10n.addMedia,
                multiple: true
            } ) );

            workflow.on( 'insert', function( selection ) {
                var state = workflow.state();

                selection = selection || state.get('selection');

                if ( ! selection )
                    return;

                $.when.apply( $, selection.map( function( attachment ) {
                    var display = state.display( attachment ).toJSON();
                    return this.send.attachment( display, attachment.toJSON() );
                }, this ) ).done( function() {
                    wp.media.editor.insert( _.toArray( arguments ).join('\n\n') );
                });
            }, this );

            workflow.state('gallery-edit').on( 'update', function( selection ) {
                this.insert( wp.media.gallery.shortcode( selection ).string() );
            }, this );

            workflow.state('embed').on( 'select', function() {
                var state = workflow.state(),
                    type = state.get('type'),
                    embed = state.props.toJSON();

                embed.url = embed.url || '';

                if ( 'link' === type ) {
                    _.defaults( embed, {
                        title:   embed.url,
                        linkUrl: embed.url
                    });

                    this.send.link( embed ).done( function( resp ) {
                        wp.media.editor.insert( resp );
                    });

                } else if ( 'image' === type ) {
                    _.defaults( embed, {
                        title:   embed.url,
                        linkUrl: '',
                        align:   'none',
                        link:    'none'
                    });

                    if ( 'none' === embed.link )
                        embed.linkUrl = '';
                    else if ( 'file' === embed.link )
                        embed.linkUrl = embed.url;

                    this.insert( wp.media.string.image( embed ) );
                }
            }, this );

            workflow.state('featured-image').on( 'select', wp.media.featuredImage.select );
            workflow.setState( workflow.options.state );
            return workflow;
        },

        id: function( id ) {
            if ( id )
                return id;

            // If an empty `id` is provided, default to `wpActiveEditor`.
            id = wpActiveEditor;

            // If that doesn't work, fall back to `tinymce.activeEditor.id`.
            if ( ! id && typeof tinymce !== 'undefined' && tinymce.activeEditor )
                id = tinymce.activeEditor.id;

            // Last but not least, fall back to the empty string.
            id = id || '';
            return id;
        },

        get: function( id ) {
            id = this.id( id );
            return workflows[ id ];
        },

        remove: function( id ) {
            id = this.id( id );
            delete workflows[ id ];
        },

        send: {
            attachment: function( props, attachment ) {
                var caption = attachment.caption,
                    options, html;

                // If captions are disabled, clear the caption.
                if ( ! wp.media.view.settings.captions )
                    delete attachment.caption;

                props = wp.media.string.props( props, attachment );

                options = {
                    id:           attachment.id,
                    post_content: attachment.description,
                    post_excerpt: caption
                };

                if ( props.linkUrl )
                    options.url = props.linkUrl;

                if ( 'image' === attachment.type ) {
                    html = wp.media.string.image( props );

                    _.each({
                        align: 'align',
                        size:  'image-size',
                        alt:   'image_alt'
                    }, function( option, prop ) {
                        if ( props[ prop ] )
                            options[ option ] = props[ prop ];
                    });
                } else if ( 'video' === attachment.type ) {
                    html = wp.media.string.video( props, attachment );
                } else if ( 'audio' === attachment.type ) {
                    html = wp.media.string.audio( props, attachment );
                } else {
                    html = wp.media.string.link( props );
                    options.post_title = props.title;
                }

                return wp.media.post( 'send-attachment-to-editor', {
                    nonce:      wp.media.view.settings.nonce.sendToEditor,
                    attachment: options,
                    html:       html,
                    post_id:    wp.media.view.settings.post.id
                });
            },

            link: function( embed ) {
                return wp.media.post( 'send-link-to-editor', {
                    nonce:   wp.media.view.settings.nonce.sendToEditor,
                    src:     embed.linkUrl,
                    title:   embed.title,
                    html:    wp.media.string.link( embed ),
                    post_id: wp.media.view.settings.post.id
                });
            }
        },

        open: function( id, options ) {
            var workflow, editor;

            options = options || {};

            id = this.id( id );

            // Save a bookmark of the caret position in IE.
            if ( typeof tinymce !== 'undefined' ) {
                editor = tinymce.get( id );

                if ( tinymce.isIE && editor && ! editor.isHidden() ) {
                    editor.focus();
                    editor.windowManager.insertimagebookmark = editor.selection.getBookmark();
                }
            }

            workflow = this.get( id );

            // Redo workflow if state has changed
            if ( ! workflow || ( workflow.options && options.state !== workflow.options.state ) )
                workflow = this.add( id, options );

            return workflow.open();
        },

        init: function() {
            $(document.body).on( 'click', '.insert-media', function( event ) {
                var $this = $(this),
                    editor = $this.data('editor'),
                    options = {
                        frame:    'post',
                        state:    'insert',
                        title:    wp.media.view.l10n.addMedia,
                        multiple: true
                    };

                event.preventDefault();

                // Remove focus from the `.insert-media` button.
                // Prevents Opera from showing the outline of the button
                // above the modal.
                //
                // See: http://core.trac.wordpress.org/ticket/22445
                $this.blur();

                if ( $this.hasClass( 'gallery' ) ) {
                    options.state = 'gallery';
                    options.title = wp.media.view.l10n.createGalleryTitle;
                }

                wp.media.editor.open( editor, options );
            });
        }
    };

    _.bindAll( wp.media.editor, 'open' );
    $( wp.media.editor.init );
}(jQuery));