增加去除链接

mainwindow.cpp

@@ -780,6 +780,15 @@ void MainWindow::on_action_a_triggered()
     }
 }
 
+void MainWindow::on_action_img_triggered()
+{
+    QMdiSubWindow *window = ui->mdiArea->currentSubWindow();
+    if(window != 0){
+        MdiChild *child = (MdiChild*)(window->widget());
+        child->insertImg(lineEdit_command->text());
+    }
+}
+
 void MainWindow::comboBoxHChanged(QString s)
 {
     QMdiSubWindow *window = ui->mdiArea->currentSubWindow();

mainwindow.h

@@ -66,6 +66,7 @@ private slots:
     void on_action_p_triggered();
     void on_action_div_triggered();
     void on_action_a_triggered();
+    void on_action_img_triggered();
     void find();
     void replace();
     void replaceAll();

mainwindow.ui

@@ -151,6 +151,7 @@
    <addaction name="action_p"/>
    <addaction name="action_div"/>
    <addaction name="action_a"/>
+   <addaction name="action_img"/>
   </widget>
   <widget class="QStatusBar" name="statusBar"/>
   <action name="action_new">
@@ -511,6 +512,17 @@
     <string>Ctrl+Shift+A</string>
    </property>
   </action>
+  <action name="action_img">
+   <property name="text">
+    <string>img</string>
+   </property>
+   <property name="toolTip">
+    <string>Ctrl+Shift+I</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+I</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources>

mdichild.cpp

@@ -80,8 +80,7 @@ bool MdiChild::loadFile(QString filename)
 bool MdiChild::save()
 {
     QFile file(path);
-    if(file.open(QFile::WriteOnly))
-    {
+    if (file.open(QFile::WriteOnly)) {
         QTextStream ts(&file);
         QString s = toPlainText();
         ts << s;
@@ -90,7 +89,7 @@ bool MdiChild::save()
         setWindowTitle(QFileInfo(path).fileName() + "[*]");
         setWindowModified(false);
         return true;
-    }else{
+    } else {
         QMessageBox::warning(this,"错误", QString(" %1:\n%2").arg(path).arg(file.errorString()));
         return false;
     }
@@ -299,14 +298,14 @@ void MdiChild::insertP()
     textCursor().insertText(s);
 }
 
-void MdiChild::insertDIV(QString s1)
+void MdiChild::insertDIV(QString se)
 {
     QString s = textCursor().selection().toPlainText();
     QStringList SL = s.split("\n");
     s = "";
     for (int i=0; i<SL.length(); i++) {
         if (SL.at(i) != "") {
-            s += "<div" + s1 + ">" + SL.at(i) + "</div>";
+            s += "<div" + se + ">" + SL.at(i) + "</div>";
             if (i < SL.length()-1)
                 s += "\n";
         }
@@ -314,18 +313,38 @@ void MdiChild::insertDIV(QString s1)
     textCursor().insertText(s);
 }
 
-void MdiChild::insertA(QString s1)
+void MdiChild::insertA(QString se)
 {
-    //正则去链接("/<a[^>]*>(.*?)<\/a>/is", "$1")
     QString s = textCursor().selection().toPlainText();
-    QStringList SL = s.split("\n");
-    s = "";
-    for (int i=0; i<SL.length(); i++) {
-        if (SL.at(i) != "") {
-            s += "<a " + s1 + ">" + SL.at(i) + "</a>";
-            if (i < SL.length()-1)
-                s += "\n";
+
+    if(s.contains("<a>") || s.contains("</a>")){
+        //正则去链接
+        s.replace(QRegularExpression("<a(.*?)>(.*)</a>"), "\\2");
+        textCursor().insertText(s);
+    } else {
+        QStringList SL = s.split("\n");
+        s = "";
+        for (int i=0; i<SL.length(); i++) {
+            if (SL.at(i) != "") {
+                s += "<a " + se + ">" + SL.at(i) + "</a>";
+                if (i < SL.length()-1)
+                    s += "\n";
+            }
         }
+        textCursor().insertText(s);
+    }
+}
+
+void MdiChild::insertImg(QString se)
+{
+    QString s = textCursor().selection().toPlainText();
+
+    if(s.contains("<img")){
+        //正则去img除src以外属性，失败
+        s.replace(QRegularExpression("<img(.*?)src=([^\\s]*?)>"), "<img src=\\2");
+        textCursor().insertText(s);
+    } else {
+        s = "<img src=\"" + se + "\">";
+        textCursor().insertText(s);
     }
-    textCursor().insertText(s);
 }

mdichild.h

@@ -20,8 +20,9 @@ public:
     void insertTR();
     void insertTD();
     void insertP();
-    void insertDIV(QString s1);
-    void insertA(QString s1);
+    void insertDIV(QString se);
+    void insertA(QString se);
+    void insertImg(QString se);
 
 private:
     QSettings settings;