Improve validation of the move component refactoring dialog

Using PathChooser and ClassNameValidatingLineEdit improves the usability.

Change-Id: Ib01ee99222ea495b37b0e839fbc68981b071d0a6
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/plugins/qmljseditor/qmljscomponentnamedialog.cpp

@@ -35,6 +35,7 @@
 
 #include <QFileInfo>
 #include <QFileDialog>
+#include <QPushButton>
 
 using namespace QmlJSEditor::Internal;
 
@@ -44,9 +45,7 @@ ComponentNameDialog::ComponentNameDialog(QWidget *parent) :
 {
     ui->setupUi(this);
 
-    connect(ui->choosePathButton, SIGNAL(clicked()),
-            this, SLOT(choosePath()));
-    connect(ui->pathEdit, SIGNAL(textChanged(QString)),
+    connect(ui->pathEdit, SIGNAL(changed(QString)),
             this, SLOT(validate()));
     connect(ui->componentNameEdit, SIGNAL(textChanged(QString)),
             this, SLOT(validate()));
@@ -65,38 +64,44 @@ void ComponentNameDialog::go(QString *proposedName,
     Q_ASSERT(proposedPath);
 
     ComponentNameDialog d(parent);
+    d.ui->componentNameEdit->setNamespacesEnabled(false);
+    d.ui->componentNameEdit->setLowerCaseFileName(false);
+    d.ui->componentNameEdit->setClassNameMustBeCapital(true);
     d.ui->componentNameEdit->setText(*proposedName);
-    d.ui->pathEdit->setText(*proposedPath);
+    d.ui->pathEdit->setExpectedKind(Utils::PathChooser::ExistingDirectory);
+    d.ui->pathEdit->setPath(*proposedPath);
 
     if (QDialog::Accepted == d.exec()) {
         *proposedName = d.ui->componentNameEdit->text();
-        *proposedPath = d.ui->pathEdit->text();
+        *proposedPath = d.ui->pathEdit->path();
     }
 }
 
 void ComponentNameDialog::choosePath()
 {
     QString dir = QFileDialog::getExistingDirectory(this, tr("Choose a path"),
-                                                    ui->pathEdit->text());
+                                                    ui->pathEdit->path());
     if (!dir.isEmpty())
-        ui->pathEdit->setText(dir);
+        ui->pathEdit->setPath(dir);
 }
 
 void ComponentNameDialog::validate()
 {
-    const QString msg = isValid();
-    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(msg.isEmpty());
-    ui->messageLabel->setText(msg);
+    const QString message = isValid();
+    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(message.isEmpty());
+    ui->messageLabel->setText(message);
 }
 
 QString ComponentNameDialog::isValid() const
 {
+    if (!ui->componentNameEdit->isValid())
+        return ui->componentNameEdit->errorMessage();
+
     QString compName = ui->componentNameEdit->text();
     if (compName.isEmpty() || !compName[0].isUpper())
         return tr("Invalid component name");
 
-    QString path = ui->pathEdit->text();
-    if (path.isEmpty() || !QFileInfo(path).isDir())
+    if (!ui->pathEdit->isValid())
         return tr("Invalid path");
 
     return QString();

src/plugins/qmljseditor/qmljscomponentnamedialog.ui

@@ -25,15 +25,15 @@
      <property name="verticalSpacing">
       <number>10</number>
      </property>
-     <item row="0" column="0">
-      <widget class="QLabel" name="componentNameLabel">
+     <item row="2" column="1" colspan="2">
+      <widget class="QLabel" name="messageLabel">
        <property name="text">
-        <string>Component name:</string>
+        <string/>
        </property>
       </widget>
      </item>
      <item row="0" column="1">
-      <widget class="QLineEdit" name="componentNameEdit"/>
+      <widget class="Utils::ClassNameValidatingLineEdit" name="componentNameEdit"/>
      </item>
      <item row="1" column="0">
       <widget class="QLabel" name="choosePathLabel">
@@ -42,22 +42,15 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="0">
+      <widget class="QLabel" name="componentNameLabel">
+       <property name="text">
+        <string>Component name:</string>
+       </property>
+      </widget>
+     </item>
      <item row="1" column="1">
-      <widget class="QLineEdit" name="pathEdit"/>
-     </item>
-     <item row="1" column="2">
-      <widget class="QPushButton" name="choosePathButton">
-       <property name="text">
-        <string>Choose...</string>
-       </property>
-      </widget>
-     </item>
-     <item row="2" column="1" colspan="2">
-      <widget class="QLabel" name="messageLabel">
-       <property name="text">
-        <string/>
-       </property>
-      </widget>
+      <widget class="Utils::PathChooser" name="pathEdit" native="true"/>
      </item>
     </layout>
    </item>
@@ -86,6 +79,19 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>Utils::ClassNameValidatingLineEdit</class>
+   <extends>QLineEdit</extends>
+   <header location="global">utils/classnamevalidatinglineedit.h</header>
+  </customwidget>
+  <customwidget>
+   <class>Utils::PathChooser</class>
+   <extends>QWidget</extends>
+   <header location="global">utils/pathchooser.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections>
   <connection>