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uploader-plugin

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Collection of File Upload components for October

uploader-plugin 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Uploader Control

Collection of File Upload components for October. This is a port of the back-end `fileupload` form widget. There are two primary components provided by this plugin: image uploader and file uploader. The image upload is suitable for uploading photos with thumbnails, whereas the file uploader is suitable for any type of file.

> **Note**: This is a developer tool and is recommended only if you know what you are doing.

Each component will detect if the relationship is a multiple ("many") or singular ("one") type and render a different control accordingly.

#### Attaching the uploader (from page)

To attach the uploader directly to the page as a component, you simply initialize the component either on the page or layout:

```ini
[fileUploader]
maxSize = "2"
fileTypes = "*"
```

The next step requires a model object and attribute name, take this model for example:

```php
class Project extends Model
{
    public $attachMany = [
        'files' => \System\Models\File::class
    ];
}
```

This model has a *many* attachment relation called **files**. We must tell the uploader that this is the relation we want to use for saving the uploads. This should be done in the `onInit` funtion of the page or layout.

```php
function onInit()
{
    $this->fileUploader->bindModel('files', Project::find(1));
}
```

This example shows that the uploaded files will be attached to the **Project** model with the record ID of **1** using the relation called **files**.

Finally we need to render the uploader component on the page using the `{% component %}` tag. The component should be wrapped in a `<form>` element but this is optional. Here is a complete example of how the page might look:

```twig
title = "Project"
url = "/project"
layout = "default"

[fileUploader]
maxSize = "2"
fileTypes = "*"
==
<?php
function onInit()
{
    $this->fileUploader->bindModel('files', Project::find(1));
}
?>
==

<form>
    
    {% component 'fileUploader' %}
</form>
```

#### Attaching the uploader (from component)

The most effective way to use this plugin is to attach the uploader from another component. Override the `init` method to initialize the uploader inside your component class with the `addComponent` method.

```php
class MyComponent extends ComponentBase
{
    public function init()
    {
        $component = $this->addComponent(
            \Responsiv\Uploader\Components\FileUploader::class,
            'fileUploader',
            ['deferredBinding' => false]
        );

$component->bindModel('files', Project::find(1));
    }
}
```

The component can then be rendered on the page as normal:

```twig
<form>
    
    {% component 'fileUploader' %}
</form>
```

As a side note, if you wish to refresh the component via an AJAX handler, ensure that you call the `pageCycle` method to initialize the page components.

```php
public function onRefreshFiles()
{
    $this->pageCycle();
}
```

#### Uploader with deferred binding

You may wish to upload a file and attach it to a model that doesn't exist yet. This is possible using deferred bindings, a feature built-in to October.

The first step is to tell the uploader that we are using deferred bindings by setting the component property `deferredBinding` to 1.

```ini
[fileUploader]
deferredBinding = "1"
```

The `onInit` function will still require a instance of the Model object to locate the relationship details. Since the model doesn't exist, we pass an unfilled/prepared model object:

```php
function onInit()
{
    $this->fileUploader->bindModel('files', new Project);
}
```

When rendering the uploader on the page, a session key must be included in the form. The simplest approach is to use the `{{ form_open() }}` Twig helper, which automatically generates a session key and includes it with the form. The server will receive this session key as `_session_key`.

```twig
{{ form_open() }}
    
    {% component 'fileUploader' %}
{{ form_close() }}
```

If you prefer to use a standard `<form>` tag instead of `form_open()`, you must manually include the session key and CSRF token:

```twig
<form>
    {{ form_token() }}
    {{ form_sessionkey() }}
    
    {% component 'fileUploader' %}
</form>
```

Now when a file is uploaded, the relationship binding will be deferred until the model is saved using the supplied session key. Here is an example of the saving process for the Project model:

```php
public function onSave()
{
    $project = new Project;
    $project->title = 'Hello';
    $project->save(null, post('_session_key'));
}
```

Notice the second argument on the `save()` method called above, this will contain the same session key used by the uploader and will add or remove any uploaded files.

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