upload.jsx

onImageRemove(image) {
        return ()=> {
            var imageName = _.capitalize(image);
            var command = this.context.viewModel[`remove${imageName}Command`];
            command.execute();
        }
    }

    onImageAdd(image) {
        return (file)=> {
            var imageName = _.capitalize(image);
            var command = this.context.viewModel[`set${imageName}Command`];
            command.execute(file[0]);
        }
    }

    onContentImagesListAdd(files) {
        var command = this.context.viewModel.addFilesToContentImagesListCommand;
        command.execute(files);
    }

    onContentImagesListRemove(file, idx) {
        var command = this.context.viewModel.removeContentImagesListCommand;
        command.execute(idx);
    }

    onContentImagesListRemoveAll() {
        var command = this.context.viewModel.removeAllContentImagesListCommand;
        command.execute();
    }

    onContentImagesListReorder(newOrderOfItemsArray) {
        var command = this.context.viewModel.reorderPhotosListCommand;
        command.execute(newOrderOfItemsArray);
    }

    renderImages() {
        let data = this.props.data;
        return (
            <Tab eventKey={2} disabled={data.isNew} title="Images">
                <Upload title="Poster Image"
                        items={[data.posterImage]}
                        onRemove={this.onImageRemove("posterImage")}
                        onAdd={this.onImageAdd("posterImage")}
                        value={data.posterImage}
                        errors={data.posterImageErrors}
                        disabled={!data.id}
                    />

                <Upload title="Content Images"
                        items={data.contentImagesList.files}
                        onRemove={this.onContentImagesListRemove.bind(this)}
                        onAdd={this.onContentImagesListAdd.bind(this)}
                        onReorder={this.onContentImagesListReorder.bind(this)}
                        onRemoveAll={this.onContentImagesListRemoveAll.bind(this)}
                        errors={data.contentImagesListErrors}
                        disabled={!data.addFilesToContentImagesListCommand.canExecute}
                    />

            </Tab>
        );
    }