row(function (Row $row) {
if ($this->creatable()) {
$row->column(6, $this->treeView());
$row->column(6, function (Column $column) {
$column->row($this->createBox());
});
} else {
$row->column(12, $this->treeView());
}
});
});
}
/**
* 判断当前实例和权限，是否有可创建的权限.
*
* @return bool
*/
public function creatable(): bool
{
$repository = $this->repository();
$creatable = false;
// @permissions
if ($repository instanceof DeviceRecord && Admin::user()->can('device.column.create')) {
$creatable = true;
}
if ($repository instanceof PartRecord && Admin::user()->can('part.column.create')) {
$creatable = true;
}
if ($repository instanceof SoftwareRecord && Admin::user()->can('software.column.create')) {
$creatable = true;
}
if ($repository instanceof ConsumableRecord && Admin::user()->can('consumable.column.create')) {
$creatable = true;
}
if ($repository instanceof ServiceRecord && Admin::user()->can('service.column.create')) {
$creatable = true;
}
return $creatable;
}
/**
* 模型树渲染，也就是字段排序的那块.
*
* @return Tree
*/
protected function treeView(): Tree
{
$repository = $this->repository();
$repository = new $repository();
return new Tree($repository, function (Tree $tree) use ($repository) {
$tree->maxDepth(1);
/**
* 行操作按钮.
*/
$deletable = $this->deletable();
$tree->actions(function (Tree\Actions $actions) use ($repository, $deletable) {
$custom_column = CustomColumn::where('table_name', $repository->getTable())
->where('name', $actions->getRow()->title)
->first();
if (!empty($custom_column) && $deletable) {
$form_data = [
'table_name' => $repository->getTable(),
'name' => $actions->getRow()->title
];
$html = '';
$actions->append('' . $html . admin_trans('main.update_column') . '');
$actions->append(' ');
$actions->append(new CustomColumnDeleteAction($repository->getTable(), $actions->getRow()->title));
}
$actions->disableQuickEdit();
$actions->disableEdit();
$actions->disableDelete();
});
$tree->tools(function (Tree\Tools $tools) {
// @permissions
if ($this->repository() instanceof DeviceRecord && Admin::user()->can('device.column.sort.delete')) {
$tools->add(new DeviceColumnSortDeleteAction());
}
// @permissions
if ($this->repository() instanceof PartRecord && Admin::user()->can('part.column.sort.delete')) {
$tools->add(new PartColumnSortDeleteAction());
}
// @permissions
if ($this->repository() instanceof SoftwareRecord && Admin::user()->can('software.column.sort.delete')) {
$tools->add(new SoftwareColumnSortDeleteAction());
}
// @permissions
if ($this->repository() instanceof ConsumableRecord && Admin::user()->can('consumable.column.sort.delete')) {
$tools->add(new ConsumableColumnSortDeleteAction());
}
// @permissions
if ($this->repository() instanceof ServiceRecord && Admin::user()->can('service.column.sort.delete')) {
$tools->add(new ServiceColumnSortDeleteAction());
}
});
/**
* 按钮控制.
*/
$tree->disableCreateButton();
$tree->disableQuickCreateButton();
$tree->disableDeleteButton();
});
}
/**
* 判断当前实例和权限，是否有可创建的权限.
*
* @return bool
*/
public function deletable(): bool
{
$repository = $this->repository();
$deletable = false;
// @permissions
if ($repository instanceof DeviceRecord && Admin::user()->can('device.column.delete')) {
$deletable = true;
}
if ($repository instanceof PartRecord && Admin::user()->can('part.column.delete')) {
$deletable = true;
}
if ($repository instanceof SoftwareRecord && Admin::user()->can('software.column.delete')) {
$deletable = true;
}
if ($repository instanceof ConsumableRecord && Admin::user()->can('consumable.column.delete')) {
$deletable = true;
}
if ($repository instanceof ServiceRecord && Admin::user()->can('service.column.delete')) {
$deletable = true;
}
return $deletable;
}
/**
* 表单渲染，也就是新建字段那块.
*
* @return Box
*/
protected function createBox(): Box
{
$form = new WidgetForm();
$form->text('name')
->help(admin_trans_label('Name Help'))
->required();
$form->text('nick_name')
->help(admin_trans_label('Nick Name Help'))
->required();
$form->select('type')
->when('select', function (WidgetForm $form) {
$form->table('select_options', function (NestedForm $table) {
$table->text('item');
});
})
->options(Data::customColumnTypes())
->required();
$form->radio('must')
->options(['否', '是'])
->help(admin_trans_label('Must Help'))
->default(0);
return Box::make(trans('admin.new'), $form);
}
/**
* Make a form builder.
*
* @return Form
*/
protected function form(): Form
{
$repository = $this->repository();
$repository = new $repository();
return Form::make($repository, function (Form $form) use ($repository) {
/**
* 拦截saving回调，是为了实现字段排序，因为默认是对DeviceRecord做数据处理
* 但是DeviceRecord重写了数据仓库中toTree方法后，就变成了模型树排序也会走到这个方法中
* 因此要做拦截，然后在拦截中做判断.
*/
$form->saving(function (Form $form) use ($repository) {
$table_name = $repository->getTable();
/**
* 如果请求中包含了_order字段，就表示这个请求是排序，而不是DeviceRecord的表单提交
* 这里做判断是为了区别是排序还是对DeviceRecord数据做处理.
*/
if (request()->has('_order')) {
// orders的索引代表排序，orders['id']代表现在数据表中的排序
$needle_columns = $repository->sortNeedleColumns($table_name);
$orders = request('_order');
$orders = json_decode($orders, true);
foreach ($orders as $key => $order) {
$column_name = $needle_columns[$order['id']];
$column_sort = ColumnSort::where('table_name', $table_name)
->where('name', $column_name)
->first();
if (empty($column_sort)) {
$column_sort = new ColumnSort();
}
$column_sort->table_name = $table_name;
$column_sort->name = $column_name;
$column_sort->order = $key;
$column_sort->save();
}
return $form->response()
->success(trans('main.success'))
->refresh();
} else {
/**
* 这里是对字段创建拦截处理，拦截表单提交后自行代码实现字段新建的动作
* 然后直接return请求，达到拦截并转而创建字段的目的.
*/
$exist_columns = Schema::getColumnListing($table_name);
if (in_array($form->input('name'), $exist_columns)) {
return $form->response()
->error(trans('main.record_same'));
}
$custom_column = new CustomColumn();
$custom_column->table_name = $table_name;
$custom_column->name = $form->input('name');
$custom_column->nick_name = $form->input('nick_name');
$custom_column->type = $form->input('type');
if ($custom_column->type == 'select') {
$custom_column->select_options = $form->input('select_options');
}
$custom_column->must = $form->input('must');
/**
* 创建自定义字段的数据库迁移动作.
*/
if ($custom_column->save()) {
try {
Schema::table($table_name, function (Blueprint $table) use ($custom_column) {
$type = $custom_column->type;
if ($type == 'select') {
$type = 'string';
}
if ((bool)$custom_column->must == 0 || ($type == 'date' || $type == 'dateTime' || $type == 'select')) {
$table->$type($custom_column->name)->nullable();
} else {
$table->$type($custom_column->name)->default(0);
}
});
return $form->response()
->success(trans('main.success'))
->refresh();
} catch (Exception $exception) {
return $form->response()
->error(trans('main.fail') . '：' . $exception->getMessage());
}
} else {
return $form->response()
->error(trans('main.fail'));
}
}
});
});
}
}