完成查看属性数据时和相关UI元素之间的数据状态同步

include/attributeTableModel.h

@@ -54,6 +54,11 @@ public:
     //展示列控制
     void setVisibleColumns(const QStringList& columns);
 
+    void triggerSyncSignal();
+
+signals:
+    void syncDataStatus(bool, const PaginationInfo&);
+
 private:
     struct RowData
     {

include/dbBrowser.h

@@ -24,6 +24,7 @@ public:
 private slots:
     void onTabCloseRequested(int);
     void onCurrentTabChanged(int);
+    void onSyncDataStatus(bool, const PaginationInfo&);
 
 private:
     int tabIndex(const QString&);

source/attributeTableModel.cpp

@@ -169,3 +169,8 @@ void AttributeTableModel::updateTotalCount()
 
     m_paginationInfo.totalEntries = SqlQueryExecutor::instance().getAttributeCount(m_connection, m_tableName);
 }
+
+void AttributeTableModel::triggerSyncSignal()
+{
+    emit syncDataStatus(m_modifiedRows.isEmpty(), m_paginationInfo);
+}

source/attributeView.cpp

@@ -23,5 +23,5 @@ AttributeView::~AttributeView()
 
 void AttributeView::active()
 {
-
+    m_attributeTableModel->triggerSyncSignal();
 }

source/dbBrowser.cpp

@@ -40,6 +40,7 @@ void DatabaseBrowser::addTab_attribute(const QString& connection, ModelAttribute
     }
 
     AttributeView* view = new AttributeView(attributeGroup, ui->tabWidget, connection);
+    connect(view->model(), &AttributeTableModel::syncDataStatus, this, &DatabaseBrowser::onSyncDataStatus);
     index = ui->tabWidget->addTab(view, QIcon(":/img/images/icon_hierarchy.png"), tabText);
     //添加自定义按钮
     /*QPushButton* closeBtn = new QPushButton("");
@@ -81,15 +82,37 @@ void DatabaseBrowser::onCurrentTabChanged(int index)
 {
     if(index == -1) //最后一个tab关闭时会触发
     {
+        ui->btnAdd->setEnabled(false);
+        ui->btnRemove->setEnabled(false);
+        ui->btnCancle->setEnabled(false);
+        ui->btnRefresh->setEnabled(false);
+        ui->btnSave->setEnabled(false);
+        ui->btnCancle->setEnabled(false);
         ui->recordInfo->clear();
+        ui->lineEdit->setEnabled(false);
+        ui->lineEdit->setText("1");
         return;
     }
 
-    QString recordInfo = QString::fromWCharArray(L"共 * 条记录");
     QWidget* widget = ui->tabWidget->widget(index);
     AttributeView* attributeView = qobject_cast<AttributeView*>(widget);
     if(attributeView)
     {
+        ui->btnAdd->setEnabled(true);
+        ui->btnRemove->setEnabled(true);
+        ui->btnCancle->setEnabled(true);
+        ui->btnRefresh->setEnabled(true);
         attributeView->active();
     }
 }
+
+void DatabaseBrowser::onSyncDataStatus(bool hasModifiedData, const PaginationInfo& paginationInfo)
+{
+    ui->btnSave->setEnabled(!hasModifiedData);
+    ui->btnCancle->setEnabled(!hasModifiedData);
+
+    QString recordInfo = QString::fromWCharArray(L"共 %1 条记录").arg(paginationInfo.totalEntries);
+    ui->recordInfo->setText(recordInfo);
+    ui->lineEdit->setText(QString::number(paginationInfo.currentPage));
+    ui->lineEdit->setEnabled(true);
+}

ui/dbBrowser.ui

@@ -367,7 +367,7 @@ QPushButton:pressed
         </property>
         <widget class="QLineEdit" name="lineEdit">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
@@ -586,7 +586,7 @@ background-color: rgb(255, 255, 255);</string>
           </rect>
          </property>
          <property name="text">
-          <string>共 10 条记录</string>
+          <string/>
          </property>
          <property name="alignment">
           <set>Qt::AlignmentFlag::AlignRight|Qt::AlignmentFlag::AlignTrailing|Qt::AlignmentFlag::AlignVCenter</set>