Refactor AccountRoleComboDelegate.

src/components/AccountRoleComboDelegate.cpp

@@ -3,22 +3,19 @@
 //
 
 #include "AccountRoleComboDelegate.h"
+
 #include <QPainter>
+
 #include "db/SQLHelper.h"
 AccountRoleComboDelegate::AccountRoleComboDelegate(QWidget *parent):QItemDelegate(parent) {
-    SQLHelper::QueryMap("select RoleID,RoleName from Role",map);
+    SQLHelper::QueryMap("select RoleID,RoleName from Role", mRoleMap);
 }
-//之前使用重写paint来实现了替换显示文字，效果一般
-//
-//void AccountRoleComboDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
-//    QItemDelegate::paint(painter, option, index);
-//}
 
 //相较于直接在paint里面操作，这是一个更好的选择，可以直接改变Display，而不影响前后景的绘制。
 void AccountRoleComboDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect,
                                            const QString &text) const {
     //绘制文本
-    painter->drawText(option.rect, Qt::TextWordWrap | Qt::AlignCenter , map[text].toString());
+    painter->drawText(option.rect, Qt::TextWordWrap | Qt::AlignCenter , mRoleMap[text].toString());
 }
 
 

src/components/AccountRoleComboDelegate.h

@@ -16,9 +16,9 @@ public:
 protected:
     void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
                              const QRect &rect, const QString &text) const override ;
+
 private:
-    QAbstractItemModel* model = nullptr;
+    QMap<QString,QVariant> mRoleMap ;
-    QMap<QString,QVariant> map ;
 };
 
 #endif //GUI_ACCOUNTROLECOMBODELEGATE_H