ProjectExplorer::Node::line should be a property not a virtual function

Changing it must emit the same signals as does setting path, since the
sorting might change.

Change-Id: Iaf29c0775387d623d2e611e202b63ab52e812140
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/projectexplorer/projectnodes.cpp

@@ -62,12 +62,13 @@ using namespace ProjectExplorer;
 */
 
 Node::Node(NodeType nodeType,
-           const QString &filePath)
+           const QString &filePath, int line)
         : QObject(),
           m_nodeType(nodeType),
           m_projectNode(0),
           m_folderNode(0),
-          m_path(filePath)
+          m_path(filePath),
+          m_line(line)
 {
 
 }
@@ -105,6 +106,28 @@ void Node::setPath(const QString &path)
     emitNodeUpdated();
 }
 
+void Node::setLine(int line)
+{
+    if (m_line == line)
+        return;
+    emitNodeSortKeyAboutToChange();
+    m_line = line;
+    emitNodeSortKeyChanged();
+    emitNodeUpdated();
+}
+
+void Node::setPathAndLine(const QString &path, int line)
+{
+    if (m_path == path
+            && m_line == line)
+        return;
+    emitNodeSortKeyAboutToChange();
+    m_path = path;
+    m_line = line;
+    emitNodeSortKeyChanged();
+    emitNodeUpdated();
+}
+
 NodeType Node::nodeType() const
 {
     return m_nodeType;
@@ -189,8 +212,8 @@ void Node::setParentFolderNode(FolderNode *parentFolder)
 
 FileNode::FileNode(const QString &filePath,
                    const FileType fileType,
-                   bool generated)
-        : Node(FileNodeType, filePath),
+                   bool generated, int line)
+        : Node(FileNodeType, filePath, line),
           m_fileType(fileType),
           m_generated(generated)
 {

src/plugins/projectexplorer/projectnodes.h

@@ -83,16 +83,18 @@ public:
     ProjectNode *projectNode() const;     // managing project
     FolderNode *parentFolderNode() const; // parent folder or project
     QString path() const;                 // file system path
-    virtual int line() const;
+    int line() const;
     virtual QString displayName() const;
     virtual QString tooltip() const;
     virtual bool isEnabled() const;
 
     void setPath(const QString &path);
+    void setLine(int line);
+    void setPathAndLine(const QString &path, int line);
     void emitNodeUpdated();
 
 protected:
-    Node(NodeType nodeType, const QString &path);
+    Node(NodeType nodeType, const QString &path, int line = -1);
 
     void setNodeType(NodeType type);
     void setProjectNode(ProjectNode *project);
@@ -106,12 +108,13 @@ private:
     ProjectNode *m_projectNode;
     FolderNode *m_folderNode;
     QString m_path;
+    int m_line;
 };
 
 class PROJECTEXPLORER_EXPORT FileNode : public Node {
     Q_OBJECT
 public:
-    FileNode(const QString &filePath, const FileType fileType, bool generated);
+    FileNode(const QString &filePath, const FileType fileType, bool generated, int line = -1);
 
     FileType fileType() const;
     bool isGenerated() const;

src/plugins/qbsprojectmanager/qbsnodes.cpp

@@ -222,18 +222,12 @@ public:
 
 QbsFileNode::QbsFileNode(const QString &filePath, const ProjectExplorer::FileType fileType,
                          bool generated, int line) :
-    ProjectExplorer::FileNode(filePath, fileType, generated),
-    m_line(line)
+    ProjectExplorer::FileNode(filePath, fileType, generated, line)
 { }
 
-void QbsFileNode::setLine(int l)
-{
-    m_line = l;
-}
-
 QString QbsFileNode::displayName() const
 {
-    return ProjectExplorer::FileNode::displayName() + QLatin1Char(':') + QString::number(m_line);
+    return ProjectExplorer::FileNode::displayName() + QLatin1Char(':') + QString::number(line());
 }
 
 bool QbsFileNode::update(const qbs::CodeLocation &loc)
@@ -241,8 +235,7 @@ bool QbsFileNode::update(const qbs::CodeLocation &loc)
     const QString oldPath = path();
     const int oldLine = line();
 
-    setPath(loc.fileName());
-    setLine(loc.line());
+    setPathAndLine(loc.fileName(), loc.line());
     return (line() != oldLine || path() != oldPath);
 }
 

src/plugins/qbsprojectmanager/qbsnodes.h

@@ -55,16 +55,10 @@ class QbsFileNode : public ProjectExplorer::FileNode
 public:
     QbsFileNode(const QString &filePath, const ProjectExplorer::FileType fileType, bool generated,
                 int line);
-    int line() const { return m_line; }
-
-    void setLine(int l);
 
     QString displayName() const;
 
     bool update(const qbs::CodeLocation &loc);
-
-private:
-    int m_line;
 };
 
 // ---------------------------------------------------------------------------