/***************************************************************
 * Name:      Cscope
 * Purpose:   Code::Blocks plugin
 * Author:    Daniel Anselmi (danselmi@NOSPAM@gmx.ch)
 * Created:   2009-09-15
 * Copyright: Daniel Anselmi
 * License:   GPL
 **************************************************************/

#ifndef CSCOPE_H_INCLUDED
#define CSCOPE_H_INCLUDED

// For compilers that support precompilation, includes <wx/wx.h>
#include <wx/wxprec.h>

#ifndef WX_PRECOMP
    #include <wx/wx.h>
#endif
#include <wx/timer.h>


#include <cbplugin.h> // for "class cbPlugin"
#include "CscopeConfigPanel.h"

#include <queue>

class CscopeConfig;
class CscopeView;
class CscopeParserThread;
class CscopeProcess;

class CscopePlugin : public cbPlugin
{
    public:
        /** Constructor. */
        CscopePlugin();
        /** Destructor. */
        virtual ~CscopePlugin();

        /** Return the plugin's configuration priority.
          * This is a number (default is 50) that is used to sort plugins
          * in configuration dialogs. Lower numbers mean the plugin's
          * configuration is put higher in the list.
          */
        virtual int GetConfigurationPriority() const { return 50; }

        /** Return the configuration group for this plugin. Default is cgUnknown.
          * Notice that you can logically OR more than one configuration groups,
          * so you could set it, for example, as "cgCompiler | cgContribPlugin".
          */
        virtual int GetConfigurationGroup() const { return cgUnknown; }

        /** Return plugin's configuration panel.
          * @param parent The parent window.
          * @return A pointer to the plugin's cbConfigurationPanel. It is deleted by the caller.
          */
        virtual cbConfigurationPanel* GetConfigurationPanel(wxWindow* parent);

        /** Return plugin's configuration panel for projects.
          * The panel returned from this function will be added in the project's
          * configuration dialog.
          * @param parent The parent window.
          * @param project The project that is being edited.
          * @return A pointer to the plugin's cbConfigurationPanel. It is deleted by the caller.
          */
        virtual cbConfigurationPanel* GetProjectConfigurationPanel(wxWindow* /*parent*/, cbProject* /*project*/){ return 0; }

        /** This method is called by Code::Blocks and is used by the plugin
          * to add any menu items it needs on Code::Blocks's menu bar.\n
          * It is a pure virtual method that needs to be implemented by all
          * plugins. If the plugin does not need to add items on the menu,
          * just do nothing ;)
          * @param menuBar the wxMenuBar to create items in
          */
        virtual void BuildMenu(wxMenuBar* /*menuBar*/){}

        /** This method is called by Code::Blocks core modules (EditorManager,
          * ProjectManager etc) and is used by the plugin to add any menu
          * items it needs in the module's popup menu. For example, when
          * the user right-clicks on a project file in the project tree,
          * ProjectManager prepares a popup menu to display with context
          * sensitive options for that file. Before it displays this popup
          * menu, it asks all attached plugins (by asking PluginManager to call
          * this method), if they need to add any entries
          * in that menu. This method is called.\n
          * If the plugin does not need to add items in the menu,
          * just do nothing ;)
          * @param type the module that's preparing a popup menu
          * @param menu pointer to the popup menu
          * @param data pointer to FileTreeData object (to access/modify the file tree)
          */
        virtual void BuildModuleMenu(const ModuleType type, wxMenu* menu, const FileTreeData* data = 0);

        /** This method is called by Code::Blocks and is used by the plugin
          * to add any toolbar items it needs on Code::Blocks's toolbar.\n
          * It is a pure virtual method that needs to be implemented by all
          * plugins. If the plugin does not need to add items on the toolbar,
          * just do nothing ;)
          * @param toolBar the wxToolBar to create items on
          * @return The plugin should return true if it needed the toolbar, false if not
          */
        virtual bool BuildToolBar(wxToolBar* /*toolBar*/){return false;}
    protected:
        /** Any descendent plugin should override this virtual method and
          * perform any necessary initialization. This method is called by
          * Code::Blocks (PluginManager actually) when the plugin has been
          * loaded and should attach in Code::Blocks. When Code::Blocks
          * starts up, it finds and <em>loads</em> all plugins but <em>does
          * not</em> activate (attaches) them. It then activates all plugins
          * that the user has selected to be activated on start-up.\n
          * This means that a plugin might be loaded but <b>not</b> activated...\n
          * Think of this method as the actual constructor...
          */
        virtual void OnAttach();

        /** Any descendent plugin should override this virtual method and
          * perform any necessary de-initialization. This method is called by
          * Code::Blocks (PluginManager actually) when the plugin has been
          * loaded, attached and should de-attach from Code::Blocks.\n
          * Think of this method as the actual destructor...
          * @param appShutDown If true, the application is shutting down. In this
          *         case *don't* use Manager::Get()->Get...() functions or the
          *         behaviour is undefined...
          */
        virtual void OnRelease(bool appShutDown);

    public:
        void OnProcessGeneratedOutputLine(const wxString &line);

    private:
        void MakeOutputPaneVisible();

        wxString GetWordAtCaret();
        void ClearOutputWindow();
        bool CreateListFile(wxString &list_file);

        void DoCscopeCommand(const wxString &cmd, const wxString &endMsg);
        void OnFind(wxCommandEvent &event);
        wxString GetCscopeBinaryName();
        void OnParserThreadEnded(wxCommandEvent &event);
        void OnParserThreadUpdateStatus(wxCommandEvent &e);
        void OnCscopeUI(wxUpdateUIEvent &event);
        void OnCscopeReturned(wxProcessEvent &event);
        void OnIdle(wxIdleEvent& event);

        wxString m_EndMsg;
        wxArrayString m_CscouptOutput;


        CscopeConfig *m_cfg;
        CscopeView *m_view;
        int m_ListPageIndex;
        CscopeProcess *m_pProcess;
        CscopeParserThread *m_thrd;
    private:
        DECLARE_EVENT_TABLE();
};

#endif // CSCOPE_H_INCLUDED
