Merge pull request #1329 from Holt59/imodinterface-isX

Add method to get the type of IModInterface.

src/modinfo.h

@@ -378,6 +378,26 @@ public: // IModInterface implementations / Re-declaration
    */
   virtual std::shared_ptr<const MOBase::IFileTree> fileTree() const = 0;
 
+  /**
+   * @return true if this object represents the overwrite mod.
+   */
+  virtual bool isOverwrite() const { return false; }
+
+  /**
+   * @return true if this object represents a backup.
+   */
+  virtual bool isBackup() const { return false; }
+
+  /**
+   * @return true if this object represents a separator.
+   */
+  virtual bool isSeparator() const { return false; }
+
+  /**
+   * @return true if this object represents a foreign mod.
+   */
+  virtual bool isForeign() const { return false; }
+
 public: // Mutable operations:
 
   /**

src/modinfobackup.h

@@ -36,6 +36,7 @@ public:
   virtual QDateTime getNexusLastModified() const override { return QDateTime(); }
   virtual void setNexusLastModified(QDateTime) override {}
   virtual QString getNexusDescription() const override { return QString(); }
+  virtual bool isBackup() const override { return true; }
 
   virtual void addInstalledFile(int, int) override {}
 

src/modinfoforeign.h

@@ -49,6 +49,7 @@ public:
   virtual bool validated() const override { return false; }
   virtual QString gameName() const override { return ""; }
   virtual int nexusId() const override { return -1; }
+  virtual bool isForeign() const override { return true; }
   virtual QDateTime getExpires() const override { return QDateTime(); }
   virtual std::vector<QString> getIniTweaks() const override { return std::vector<QString>(); }
   virtual std::vector<ModInfo::EFlag> getFlags() const override;

src/modinfooverwrite.h

@@ -52,6 +52,7 @@ public:
   virtual int getFixedPriority() const override { return std::numeric_limits<int>::max(); }
   virtual QString gameName() const override { return ""; }
   virtual int nexusId() const override { return -1; }
+  virtual bool isOverwrite() const override { return true; }
   virtual QDateTime getExpires() const override { return QDateTime(); }
   virtual std::vector<QString> getIniTweaks() const override { return std::vector<QString>(); }
   virtual std::vector<ModInfo::EFlag> getFlags() const override;

src/modinfoseparator.h

@@ -47,6 +47,7 @@ public:
   virtual QDateTime creationTime() const override { return QDateTime(); }
   virtual QString getNexusDescription() const override { return QString(); }
   virtual void addInstalledFile(int /*modId*/, int /*fileId*/) override { }
+  virtual bool isSeparator() const override { return true; }
 
 protected:
   virtual bool doIsValid() const override { return true; }