SelectableFilesWidget: Wire up logic to notify about selection changes

Change-Id: Iba9b31c9ba374855c024d4fb0739d3ba9ab43bc9
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>

src/plugins/genericprojectmanager/filesselectionwizardpage.cpp

@@ -55,6 +55,8 @@ FilesSelectionWizardPage::FilesSelectionWizardPage(GenericProjectWizardDialog *g
 
     layout->addWidget(m_filesWidget);
     m_filesWidget->setBaseDirEditable(false);
+    connect(m_filesWidget, &ProjectExplorer::SelectableFilesWidget::selectedFilesChanged,
+            this, &FilesSelectionWizardPage::completeChanged);
 
     setProperty(Utils::SHORT_TITLE_PROPERTY, tr("Files"));
 }
@@ -72,7 +74,7 @@ void FilesSelectionWizardPage::cleanupPage()
 
 bool FilesSelectionWizardPage::isComplete() const
 {
-    return m_finished;
+    return m_filesWidget->hasFilesSelected();
 }
 
 Utils::FileNameList FilesSelectionWizardPage::selectedPaths() const

src/plugins/genericprojectmanager/filesselectionwizardpage.h

@@ -64,7 +64,6 @@ public:
 private:
     GenericProjectWizardDialog *m_genericProjectWizardDialog;
     ProjectExplorer::SelectableFilesWidget *m_filesWidget;
-    bool m_finished = false;
 };
 
 } // namespace Internal

src/plugins/projectexplorer/selectablefilesmodel.cpp

@@ -59,6 +59,9 @@ SelectableFilesModel::SelectableFilesModel(QObject *parent) : QAbstractItemModel
     connect(&m_watcher, &QFutureWatcherBase::finished,
             this, &SelectableFilesModel::buildTreeFinished);
 
+    connect(this, &SelectableFilesModel::dataChanged, this, [this] { emit checkedFilesChanged(); });
+    connect(this, &SelectableFilesModel::modelReset, this, [this] { emit checkedFilesChanged(); });
+
     m_root = new Tree;
     m_root->parent = 0;
 }
@@ -340,6 +343,11 @@ Utils::FileNameList SelectableFilesModel::preservedFiles() const
     return m_outOfBaseDirFiles.toList();
 }
 
+bool SelectableFilesModel::hasCheckedFiles() const
+{
+    return m_root->checked != Qt::Unchecked;
+}
+
 void SelectableFilesModel::collectFiles(Tree *root, Utils::FileNameList *result) const
 {
     if (root->checked == Qt::Unchecked)
@@ -395,6 +403,8 @@ void SelectableFilesModel::selectAllFiles(Tree *root)
 
     foreach (Tree *t, root->visibleFiles)
         t->checked = Qt::Checked;
+
+    emit checkedFilesChanged();
 }
 
 Qt::CheckState SelectableFilesModel::applyFilter(const QModelIndex &index)
@@ -614,6 +624,11 @@ Utils::FileNameList SelectableFilesWidget::selectedPaths() const
     return m_model ? m_model->selectedPaths() : Utils::FileNameList();
 }
 
+bool SelectableFilesWidget::hasFilesSelected() const
+{
+    return m_model ? m_model->hasCheckedFiles() : false;
+}
+
 void SelectableFilesWidget::resetModel(const Utils::FileName &path, const Utils::FileNameList &files)
 {
     m_view->setModel(0);
@@ -626,6 +641,8 @@ void SelectableFilesWidget::resetModel(const Utils::FileName &path, const Utils:
             this, &SelectableFilesWidget::parsingProgress);
     connect(m_model, &SelectableFilesModel::parsingFinished,
             this, &SelectableFilesWidget::parsingFinished);
+    connect(m_model, &SelectableFilesModel::checkedFilesChanged,
+            this, &SelectableFilesWidget::selectedFilesChanged);
 
     m_baseDirChooser->setFileName(path);
     m_view->setModel(m_model);

src/plugins/projectexplorer/selectablefilesmodel.h

@@ -112,6 +112,8 @@ public:
     Utils::FileNameList selectedPaths() const;
     Utils::FileNameList preservedFiles() const;
 
+    bool hasCheckedFiles() const;
+
     void startParsing(const Utils::FileName &baseDir);
     void cancel();
     void applyFilter(const QString &selectFilesfilter, const QString &hideFilesfilter);
@@ -119,6 +121,7 @@ public:
     void selectAllFiles();
 
 signals:
+    void checkedFilesChanged();
     void parsingFinished();
     void parsingProgress(const Utils::FileName &fileName);
 
@@ -165,9 +168,14 @@ public:
     Utils::FileNameList selectedFiles() const;
     Utils::FileNameList selectedPaths() const;
 
+    bool hasFilesSelected() const;
+
     void resetModel(const Utils::FileName &path, const Utils::FileNameList &files);
     void cancelParsing();
 
+signals:
+    void selectedFilesChanged();
+
 private:
     void enableWidgets(bool enabled);
     void applyFilter();