如何在Admin Silverstripe中添加自定义按钮及其功能？

问题描述

如何在Admin Silverstripe中添加自定义按钮及其功能？

请告诉我解决方案。

自定义按钮只能添加到一个菜单中。

解决方案

像注释中提到的@wmk一样，你可以将> GridFieldPrintButton 的框架代码作为基础，然后从那里开始。 SilverStripe也有。

这里不提供教程，我会为您提供一个非常基本的自定义操作提供程序，您可以将其复制并扩展到做你需要的。虽然你没有注意到你想从按钮中得到的确切结果，但我会提供一个非常通用的类。

这个代码是一个精简版的 GridFieldPrintButton @wmk提到。它支持按钮本身调用自定义代码以及URL。

我在代码中注意到我一直在使用grid-print-按钮，这是为了让你的按钮很好地坐在印刷品旁边，而不是坐在另一条线上（就像我在我建立的旧3.1网站上测试过的那样）。

  class GridFieldCustomButton实现了GridField_HTMLProvider，GridField_ActionProvider，GridField_URLHandler {
 
 protected $ targetFragment; 
保护$ someCustomConstructData; 
 
 // TargetFragment仅用于对HTML片段进行定位控制
 // SomeCustomConstructData只是向butotn提供一些默认选项的一个示例
 public function __construct（$ targetFragment = after后，$ someCustomConstructData = null）{
 $ this-> targetFragment = $ targetFragment; 
 $ this-> someCustomConstructData = $ someCustomConstructData; 
} 
 
 //为GridField生成HTML片段
 public function getHTMLFragments（$ gridField）{
 $ button = new GridField_FormAction（
 $ gridField ，
'custom'，
'Custom Action'，
'custom'，
 null 
）; 
返回数组（
 //注意：此处使用grid-print-button来匹配ModelAdmin中按钮的样式
 $ this-> targetFragment =>'< p class =grid-print-button>'。$ button-> Field（）。'< / p>'，
）; 
 
 
 public function getActions（$ gridField）{
 return array（'myCustomAction'）; 
 
 
 public function handleAction（GridField $ gridField，$ actionName，$ arguments，$ data）{
 if（$ actionName =='myCustomAction'）{
 return $ this-> handleMyCustomAction（）; 
 
 
 
 //用于从URL访问自定义动作
 public function getURLHandlers（$ gridField）{
 return array（
'myCustomAction'=>'handleMyCustomAction'，
）; 
} 
 
 //处理动作按钮和URL的自定义动作
 public function handleMyCustomAction（$ gridField，$ request = null）{
 / /在这里做你的东西！ 
} 
} 
  

继续从评论的讨论中，您将需要修改您的自定义 ModelAdmin 以将新组件添加到其 GridField 。

  class MyCustomAdmin extends ModelAdmin 
 {
 private static $ managed_models = array（
'MyCustomObject'
）; 
 
 private static $ url_segment ='custom-admin'; 
 private static $ menu_title ='所有自定义对象'; 
 
 public function getEditForm（$ ID = null，$ Fields = null）
 {
 $ form = parent :: getEditForm（$ ID，$ Fields）; 
 $ fields = $ form-> Fields（）; 
 
 $ gridField = $ fields-> fieldByName（'MyCustomObject'）; 
 $ gridFieldConfig = $ gridField-> getConfig（）; 
 $ gridFieldConfig-> addComponent（new GridFieldCustomButton（））; 
 
 return $ form; 
 
 
 
 
 $ b特别是，$  $ $ gridFieldConfig-> addComponent（new GridFieldCustomButton（））完成这项工作，将您的自定义按钮添加到 ModelAdmin  。您还可以通过在 GridFieldCustomButton 中提供buttons-before-left作为第一个参数，指定它应该放在 GridField 中的位置c $ c>构造函数。
 
 
 
例如。  $ gridFieldConfig-> addComponent（new GridFieldCustomButton（after-left-left）） 
 
 
 
  GridField 片段可以在。
 
How to add Custom button and its functionality in Admin Silverstripe?

Please tell me solution. 

Custom Button add only in one menu.
 解决方案 
Like @wmk mentioned in the comments, you can just take the framework code for GridFieldPrintButton as a base and go from there. SilverStripe also have a basic tutorial for creating a custom ActionProvider.

Rather than rehash the tutorial here, I will provide you a very basic custom action provider that you can copy and extend to do what you need. While you don't note the exact result you are wanting from the button, I will provide just a very generic class.

This code is a stripped down version of the GridFieldPrintButton that @wmk mentioned. It supports both the button itself invoking the custom code as well as the URL.

I've noted in the code a reference that I have kept to "grid-print-button", this is to make your button sit nicely next to the print rather than likely sitting on another line (as it did in my testing on an older 3.1 site I built).
class GridFieldCustomButton implements GridField_HTMLProvider, GridField_ActionProvider, GridField_URLHandler {

    protected $targetFragment;
    protected $someCustomConstructData;

    //TargetFragment is just for positioning control of the HTML fragment
    //SomeCustomConstructData is just an example of providing some default options into your butotn
    public function __construct($targetFragment = "after", $someCustomConstructData = null) {
        $this->targetFragment = $targetFragment;
        $this->someCustomConstructData = $someCustomConstructData;
    }

    //Generate the HTML fragment for the GridField
    public function getHTMLFragments($gridField) {
        $button = new GridField_FormAction(
            $gridField,
            'custom',
            'Custom Action',
            'custom',
            null
        );
        return array(
            //Note: "grid-print-button" is used here to match the styling of the buttons in ModelAdmin
            $this->targetFragment => '<p class="grid-print-button">' . $button->Field() . '</p>',
        );
    }

    public function getActions($gridField) {
        return array('myCustomAction');
    }

    public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
        if($actionName == 'myCustomAction') {
            return $this->handleMyCustomAction();
        }
    }

    //For accessing the custom action from the URL
    public function getURLHandlers($gridField) {
        return array(
            'myCustomAction' => 'handleMyCustomAction',
        );
    }

    //Handle the custom action, for both the action button and the URL
    public function handleMyCustomAction($gridField, $request = null) {
        //Do your stuff here!
    }
}
Continuing on from the discussion in the comments, you will need to modify your custom ModelAdmin to add new components to its GridField.
class MyCustomAdmin extends ModelAdmin
{
    private static $managed_models = array(
        'MyCustomObject' 
    );

    private static $url_segment = 'custom-admin';
    private static $menu_title = 'All Custom Objects';

    public function getEditForm($ID = null, $Fields = null)
    {
        $form = parent::getEditForm($ID, $Fields);
        $fields = $form->Fields();

        $gridField = $fields->fieldByName('MyCustomObject');
        $gridFieldConfig = $gridField->getConfig();
        $gridFieldConfig->addComponent(new GridFieldCustomButton());

        return $form;
    }
}
Specifically, the line $gridFieldConfig->addComponent(new GridFieldCustomButton()) does the work, taking your custom button as I have shown above and added it to the ModelAdmin. You can also specify where it should go in the GridField too by providing "buttons-before-left" as the first argument in the GridFieldCustomButton constructor.
eg. $gridFieldConfig->addComponent(new GridFieldCustomButton("buttons-before-left"))
More information regarding GridField fragments can be found in the SilverStripe developer documentation.
                        
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