fix editor create dialog

common/include/titleBar.h

@@ -30,6 +30,7 @@ protected:
     void mouseMoveEvent(QMouseEvent *event) override;
     void mouseDoubleClickEvent(QMouseEvent *event) override;
 
+    bool eventFilter(QObject *watched, QEvent *event) override;
 private:
     void setupUI();
 

common/source/titleBar.cpp

@@ -41,6 +41,10 @@ TitleBar::TitleBar(QWidget *parent,bool bClose,bool bMaxMin)
     )";
 
     setStyleSheet(style);
+
+    if (m_parentWindow) {
+        m_parentWindow->installEventFilter(this);
+    }
 }
 
 void TitleBar::setupUI()
@@ -138,3 +142,29 @@ void TitleBar::mouseDoubleClickEvent(QMouseEvent *event)
         emit maximizeClicked();
     }
 }
+
+bool TitleBar::eventFilter(QObject *watched, QEvent *event)
+{
+    if (watched == m_parentWindow && event->type() == QEvent::Show) {
+
+        // 防止最大化/全屏时干扰
+        if (m_parentWindow->isMaximized() ||
+            m_parentWindow->isFullScreen()) {
+            return false;
+        }
+
+        QScreen *screen = QGuiApplication::primaryScreen();
+        if (!screen)
+            return false;
+
+        QRect screenRect = screen->availableGeometry();
+        QRect windowRect = m_parentWindow->geometry(); // ✅ 正确
+
+        int x = screenRect.x() + (screenRect.width()  - windowRect.width())  / 2;
+        int y = screenRect.y() + (screenRect.height() - windowRect.height()) / 2;
+
+        m_parentWindow->move(x, y);
+    }
+
+    return QWidget::eventFilter(watched, event);
+}

diagramCavas/source/diagramCavas.cpp

@@ -41,6 +41,7 @@ DiagramCavas::DiagramCavas(QWidget *parent)
     ,_extraPropertyManager(nullptr)
 {
     _pageIndex = 0;
+    setViewMode(QMdiArea::TabbedView);
 }
 
 DiagramCavas::~DiagramCavas()

include/createEditor.h

@@ -8,23 +8,26 @@ namespace Ui { class createEditor; }
 QT_END_NAMESPACE
 
 class TitleBar;
+class DiagramView;
 
 class CreateEditor : public QDialog
 {
     Q_OBJECT
 public:
-    CreateEditor(QWidget *parent = nullptr);
+    CreateEditor(QWidget *parent = nullptr,DiagramView* p = nullptr);
     ~CreateEditor();
 
     void initial();
     void showDlg();
-
+signals:
+    void projectCreated();
 public slots:
     void onOkClicked();
     void onCancelClicked();
 private:
     Ui::createEditor *ui;
     TitleBar*                       m_titleBar;
+    DiagramView*                    m_pView;
 };
 
 #endif

include/diagramView.h

@@ -22,6 +22,8 @@ public:
 
     void initial();
     void loadTopologyFromDB();      //加载拓扑关系
+    void clearProjectTree();
+    bool projectExist();    //判断工程存在
 signals:
     void diagramCreate(DiagramInfo);
     void diagramChange(DiagramInfo);

source/createEditor.cpp

@@ -4,12 +4,15 @@
 #include "projectManager.h"
 #include "ui_createEditor.h"
 #include "titleBar.h"
+#include "diagramView.h"
 
-CreateEditor::CreateEditor(QWidget *parent)
+CreateEditor::CreateEditor(QWidget *parent,DiagramView* p)
     : QDialog(parent)
     , ui(new Ui::createEditor)
+    , m_pView(p)
 {
     ui->setupUi(this);
+    setWindowModality(Qt::ApplicationModal);
     this->setWindowFlags(Qt::FramelessWindowHint | windowFlags());
     initial();
 }
@@ -37,6 +40,27 @@ void CreateEditor::showDlg()
 
 void CreateEditor::onOkClicked()
 {
+    bool val = m_pView->projectExist();
+    if(val){
+        QMessageBox msgBox;
+        msgBox.setText(QString::fromWCharArray(L"提示"));
+        msgBox.setInformativeText(QString::fromWCharArray(L"该操作将导致未保存数据丢失,是否继续"));
+        msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+        msgBox.setDefaultButton(QMessageBox::Ok);
+        int ret = msgBox.exec();
+
+        switch (ret) {
+        case QMessageBox::Ok:
+            break;
+        case QMessageBox::Cancel:
+            return;
+            break;
+        default:
+            // should never be reached
+            break;
+        }
+    }
+    emit projectCreated();
     bool res = ProjectManager::instance().createEditorProject(ui->le_name->text());
     if(res){
         QMessageBox::information(NULL, QString("提示"), QString::fromWCharArray(L"项目名已存在"));

source/diagramView.cpp

@@ -60,7 +60,7 @@ void DiagramView::initial()
     // 展开所有节点
     ui->treeView->expandAll();
     // 显示树视图
-    ui->treeView->setWindowTitle(QObject::tr("组态图结构"));
+    //ui->treeView->setWindowTitle(QObject::tr("组态图结构"));
 }
 
 void DiagramView::loadTopologyFromDB()
@@ -68,6 +68,21 @@ void DiagramView::loadTopologyFromDB()
 
 }
 
+void DiagramView::clearProjectTree()
+{
+    ui->treeWidget->clear();
+}
+
+bool DiagramView::projectExist()
+{
+    for (int i = 0; i < ui->treeWidget->topLevelItemCount(); ++i) {
+        if (ui->treeWidget->topLevelItem(i)->columnCount() > 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
 void DiagramView::onIndexRbtnClicked(const QPoint &pos)
 {
     // 获取当前点击的位置对应的索引
@@ -339,8 +354,6 @@ void DiagramView::onEditorSaved(const QString& strPro,const QString& autor,QUuid
 
 void DiagramView::onNewEditorClicked()
 {
-    ProjectManager::instance().unloadEditorProject(QString());
-    ui->treeWidget->clear();
     emit createProject();
 }
 

source/loadPageDlg.cpp

@@ -8,6 +8,7 @@ LoadPageDlg::LoadPageDlg(QWidget *parent)
     , ui(new Ui::loadPageDlg)
 {
     ui->setupUi(this);
+    setWindowModality(Qt::ApplicationModal);
     this->setWindowFlags(Qt::FramelessWindowHint | windowFlags());
     initial();
 }

source/mainwindow.cpp

@@ -349,11 +349,15 @@ void CMainWindow::onSignal_loadProject()
 void CMainWindow::onAction_createEditor()
 {
     if(m_pCreateEdiotr == nullptr){
-        m_pCreateEdiotr = new CreateEditor(this);
+        m_pCreateEdiotr = new CreateEditor(this,m_pDiagramView);
         connect(&ProjectManager::instance(),&ProjectManager::createNewEditor,m_pDiagramCavas,&DiagramCavas::onSignal_createEditPanel);
         connect(&ProjectManager::instance(),&ProjectManager::prepareSaveEditor,m_pDiagramCavas,&DiagramCavas::onSignal_prepareSaveEdit);
         connect(&ProjectManager::instance(),&ProjectManager::prepareDeleteBaseSetting,m_pDiagramCavas,&DiagramCavas::onSignal_prepareDeleteEditor);
         connect(&ProjectManager::instance(),&ProjectManager::prepareOpenSetting,m_pDiagramCavas,&DiagramCavas::onSignal_prepareOpenSetting);
+        connect(m_pCreateEdiotr,&CreateEditor::projectCreated,this,[&](){
+            ProjectManager::instance().unloadEditorProject(QString());
+            m_pDiagramView->clearProjectTree();
+        });
     }
 
     m_pCreateEdiotr->showDlg();

ui/diagramView.ui

@@ -91,13 +91,7 @@ QTabBar::tab:selected {
       </attribute>
       <layout class="QVBoxLayout" name="verticalLayout_2">
        <item>
-        <widget class="QTreeWidget" name="treeWidget">
-         <column>
-          <property name="text">
-           <string notr="true">1</string>
-          </property>
-         </column>
-        </widget>
+        <widget class="QTreeWidget" name="treeWidget"/>
        </item>
        <item>
         <layout class="QHBoxLayout" name="horizontalLayout_2">