4
我正在創建一個PHP框架，它允許PHP開發人員創建僅包含PHP類的ExtJS前端，例如，創建網格看起來是這樣的：從PHP生成Javascript/ExtJS代碼的最可維護的方法是什麼？
$grid_import = new Backend_Layout_Grid('smart_worksheets');
$grid_import->set_width(1300);
$grid_import->set_rows_selectable(true);
$grid_import->set_title(__('backend.application.import.grid.title'));
$grid_import->set_margin('10px'); //CSS syntax, e.g. also "10px 0 0 0"
$grid_import->add_column(array('id_code'=>'name', 'label'=> __('backend.application.import.worksheetstoimport'), 'width'=>'300'));
$grid_import->add_column(array('id_code'=>'kind', 'label'=> __('backend.application.import.kind'), 'width'=>'50'));
$grid_import->add_column(array('id_code'=>'file_size', 'label'=> __('backend.application.import.sizebyte'), 'datatype' => 'int'));
$grid_import->add_column(array('id_code'=>'when_file_copied', 'label'=> __('backend.application.import.whenfilecopied'), 'datatype' => 'datetime', 'width'=>'150'));
$grid_import->add_column(array('id_code'=>'table_name', 'label'=> __('backend.application.import.mysqltablename'), 'width'=>'300'));
$grid_import->add_column(array('id_code'=>'when_table_created', 'label'=> __('backend.application.import.whentablecreated'), 'width'=>'160'));
$grid_import->add_column(array('id_code'=>'status', 'label'=> __('backend.application.import.status'), 'width'=>'300'));
$grid_import->set_doubleclick_target_uri('backend/application/importmanager/single', 0);
if (count($smart_worksheets) > 0)
{
$row_index = 0;
foreach ($smart_worksheets as $smart_worksheet)
{
$show_row = array(
'name' => $smart_worksheet['name'],
'kind' => $smart_worksheet['kind'],
'file_size' => $smart_worksheet['file_size'],
'when_file_copied' => $smart_worksheet['when_file_copied'],
'table_name' => $smart_worksheet['table_name'],
'when_table_created' => __($smart_worksheet['when_table_created']),
'status' => __($smart_worksheet['status'])
);
$grid_import->add_row($show_row);
if(in_array($smart_worksheet['status'], array('backend.application.import.status.needtoimport', 'backend.application.import.status.needtoreimport'))) {
$grid_import->add_row_format($row_index, Backend_Layout_Grid::ROW_FORMAT_RED);
}
if(in_array($smart_worksheet['status'], array('backend.application.import.status.isuptodate'))) {
$grid_import->add_row_format($row_index, Backend_Layout_Grid::ROW_FORMAT_GREEN);
}
if(intval($smart_worksheet['file_size']) > 4000000 AND (in_array($smart_worksheet['kind'], array('XLS','XLSX'))))
{
$grid_import->add_row_format($row_index, Backend_Layout_Grid::ROW_FORMAT_GRAY);
}
$row_index++;
}
}
Backend_Layout_Window::instance()->add_item($grid_import);
它運作良好，到目前爲止，但因爲我剛剛輸出的JavaScript代碼行由行，更多的功能我打造成了一流的，越複雜的if/then邏輯妨礙我們構建的原始的Javascript文字，這裏是一個典型的方法生成的Javascript代碼：
public function render_main_code_block()
{
$retval = '';
$retval .= $this->render_data_variable();
$retval .= $this->render_array_reader_block();
$retval .= $this->render_grid_panel_block();
if($this->rows_selectable)
{
$retval .= self::render_line("````}),");
$retval .= self::render_line("````sm: sm,");
}
$retval .= self::render_line("````viewConfig: {");
if ($this->percentage_columns)
{
$retval .= self::render_line("``````forceFit: true,"); // true = percentage column width (add up to 100)
}
else
{
$retval .= self::render_line("``````forceFit: false,");
}
$retval .= self::render_line("``````getRowClass: function(record, rowIndex, rp, ds){");
if (count($this->row_formats) > 0)
{
foreach ($this->row_formats as $row_index => $row_format)
{
$retval .= self::render_line("````````if(rowIndex == ".$row_index."){");
$retval .= self::render_line("``````````return '".$row_format."';");
$retval .= self::render_line("````````}");
}
}
$retval .= self::render_line("````````return '';");
$retval .= self::render_line("``````}");
$retval .= self::render_line("````},");
$retval .= self::render_line("````title: '$this->title',");
if (! is_null($this->width))
{
$retval .= self::render_line("````width: $this->width,");
}
$retval .= $this->render_double_click_handler();
$retval .= self::render_line("````autoHeight: true,");
$retval .= self::render_line("````frame: true");
$retval .= self::render_line("``});");
$retval .= self::render_line("");
$retval .= self::render_line("``replaceComponentContent(targetRegion, ".$this->script_variable_name.");");
$retval .= self::render_line("``".$this->script_variable_name.".getSelectionModel().selectFirstRow();");
// for word wrapping in columns
$retval .= self::render_line("``function columnWrap(val){");
$retval .= self::render_line("````return '<div style=\"white-space:normal !important;\">'+ val +'</div>';");
$retval .= self::render_line("``}");
return $retval;
}
這開始讓這段代碼過於複雜而無法維持一些具體問題是：
- 一個簡單的事實，在物業清單中，只有最後一項沒有逗號。到目前爲止，我已經能夠將所需的屬性放在列表的末尾，以便不包含逗號的項目始終包含在內。
- 和某些功能（如添加複選框，以網格或沒有）需要在JavaScript代碼多達四個不同的地方的代碼插入，我能想象有特色這將需要重新構建現有的代碼，所以如果功能打開，周圍的代碼需要例如包含的對象
所以在某些時候我想重構我創建了JavaScript的方式的另一部分中。
我目前只看到其中一個選項真的是，一個CodeFactory類，它包含例如ExtJsVariable我向其中遞歸地添加包含對象的對象，對象可以是例如類型的。 simpleArray或anonymousFunction等，然後創建代碼，我將輸出$codeFactory->render()這會給我根據其所有的內部對象的代碼：
什麼是其他選項或我可以使用代碼生成的框架使PHP中的這個Javascript/ExtJS代碼更加可維護，更直接？
也許http://www.ext4yii.com/會給你更多的信息。 – Gajahlemu 2011-01-27 13:41:12