RemoteLinux: Deployment improvements.

- Don't depend on the order of signal connections when updating the
deploy step label.
- Give a meaningful error message when the init() function fails.
- Don't try to upload files that don't have a target path set.

Change-Id: If302cf8407b69faf8507579267afde7428edf704
Reviewed-on: http://codereview.qt-project.org/5404
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/remotelinux/abstractremotelinuxdeploystep.cpp

@@ -78,7 +78,11 @@ QVariantMap AbstractRemoteLinuxDeployStep::toMap() const
 
 bool AbstractRemoteLinuxDeployStep::init()
 {
-    return isDeploymentPossible();
+    QString error;
+    const bool canDeploy = isDeploymentPossible(&error);
+    if (!canDeploy)
+        emit addOutput(tr("Deployment failed: %1").arg(error), ErrorMessageOutput);
+    return canDeploy;
 }
 
 bool AbstractRemoteLinuxDeployStep::isDeploymentPossible(QString *whyNot) const

src/plugins/remotelinux/genericdirectuploadservice.cpp

@@ -86,6 +86,23 @@ void GenericDirectUploadService::setIncrementalDeployment(bool incremental)
     d->incremental = incremental;
 }
 
+bool GenericDirectUploadService::isDeploymentPossible(QString *whyNot) const
+{
+    if (!AbstractRemoteLinuxDeployService::isDeploymentPossible(whyNot))
+        return false;
+    foreach (const DeployableFile &df, d->deployableFiles) {
+        if (df.remoteDir.isEmpty()) {  // Can happen with targets.
+            if (whyNot) {
+                *whyNot = tr("Don't know where to deploy local file '%1'.")
+                    .arg(QFileInfo(df.localFilePath).fileName());
+            }
+            return false;
+        }
+    }
+
+    return true;
+}
+
 bool GenericDirectUploadService::isDeploymentNecessary() const
 {
     d->filesToUpload.clear();

src/plugins/remotelinux/genericdirectuploadservice.h

@@ -64,6 +64,7 @@ private slots:
     void handleStdErrData(const QByteArray &data);
 
 private:
+    bool isDeploymentPossible(QString *whyNot) const;
     bool isDeploymentNecessary() const;
 
     void doDeviceSetup();

src/plugins/remotelinux/remotelinuxdeploystepwidget.cpp

@@ -32,6 +32,7 @@
 #include "remotelinuxdeploystepwidget.h"
 
 #include "abstractremotelinuxdeploystep.h"
+#include "deploymentinfo.h"
 #include "remotelinuxdeployconfiguration.h"
 #include "remotelinuxutils.h"
 
@@ -55,11 +56,12 @@ RemoteLinuxDeployStepWidget::RemoteLinuxDeployStepWidget(AbstractRemoteLinuxDepl
         SLOT(handleStepToBeRemoved(int)));
 
     // TODO: Move this knowledge into the deploy step itself.
-    connect(qobject_cast<Qt4Project *>(m_step->target()->project()),
-        SIGNAL(proFileUpdated(Qt4ProjectManager::Qt4ProFileNode *, bool, bool)),
+    connect(qobject_cast<Qt4Project *>(m_step->target()->project()), SIGNAL(proParsingDone()),
         SIGNAL(updateSummary()));
     connect(m_step->deployConfiguration(), SIGNAL(currentDeviceConfigurationChanged()),
         SIGNAL(updateSummary()));
+    connect(m_step->deployConfiguration()->deploymentInfo().data(), SIGNAL(modelReset()),
+        SIGNAL(updateSummary()));
 }
 
 RemoteLinuxDeployStepWidget::~RemoteLinuxDeployStepWidget()