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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : context_base.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef CONTEXT_BASE_H
#define CONTEXT_BASE_H
#include "wx/string.h"
#include <wx/stc/stc.h>
#include "smart_ptr.h"
#include "wx/filename.h"
#include "lexer_configuration.h"
#include <vector>
#include "entry.h"
#include <set>
#include "macros.h"
class LEditor;
/**
* \ingroup LiteEditor
* \brief This class defines the language context of the editor
*
* \version 1.0
* first version
*
* \date 04-30-2007
*
* \author Eran
*
*/
class ContextBase : public wxEvtHandler
{
protected:
LEditor* m_container;
wxString m_name;
wxString m_selectedWord;
std::vector<wxMenuItem*> m_dynItems;
wxStringSet_t m_completionTriggerStrings;
protected:
void SetName(const wxString& name) { m_name = name; }
void DoApplySettings(LexerConf::Ptr_t lexPtr);
void PrependMenuItem(wxMenu* menu, const wxString& text, wxObjectEventFunction func, int eventId = -1);
void PrependMenuItem(wxMenu* menu, const wxString& text, int id);
void PrependMenuItemSeparator(wxMenu* menu);
/**
* @brief search for the next 'what' in the editor
*/
int FindNext(const wxString& what, int& pos, bool wholePage = false);
/**
* @brief search for the next 'what' in the editor
*/
int FindPrev(const wxString& what, int& pos, bool wholePage = false);
public:
// ctor-dtor
ContextBase(LEditor* container);
ContextBase(const wxString& name);
virtual ~ContextBase();
/**
* @brief return true if str is a string that should trigger a code completion
*/
virtual bool IsStringTriggerCodeComplete(const wxString& str) const;
/**
* @brief when the context is requested to display a code completion for keywords
* this functions determines which keyword set to display ( there are up to 5, indexed from: 0-4)
*/
virtual int GetActiveKeywordSet() const { return 0; }
/**
* Return the context parent control
*/
LEditor& GetCtrl() { return *m_container; }
LEditor& GetCtrl() const { return *m_container; }
/**
* Return the context name
*/
const wxString& GetName() const { return m_name; }
// every Context derived class must implement the following methods
virtual ContextBase* NewInstance(LEditor* container) = 0;
virtual void ApplySettings() = 0;
// functions with default implementation:
virtual bool IsDefaultContext() const { return true; }
virtual void OnCallTipClick(wxStyledTextEvent& event) { event.Skip(); }
virtual void OnCalltipCancel(){};
virtual void OnDwellEnd(wxStyledTextEvent& event) { event.Skip(); }
virtual void OnDbgDwellEnd(wxStyledTextEvent& event) { event.Skip(); }
virtual void OnDwellStart(wxStyledTextEvent& event) { event.Skip(); }
virtual void OnDbgDwellStart(wxStyledTextEvent& event) { event.Skip(); }
virtual void OnKeyDown(wxKeyEvent& event) { event.Skip(); }
virtual void AddMenuDynamicContent(wxMenu* WXUNUSED(menu)) {}
virtual void RemoveMenuDynamicContent(wxMenu* WXUNUSED(menu)) {}
virtual void OnSciUpdateUI(wxStyledTextEvent& WXUNUSED(event)) {}
virtual void OnFileSaved() {}
virtual void OnEnterHit() {}
virtual void RetagFile() {}
virtual void OnUserTypedXChars(const wxString& word);
virtual wxString CallTipContent() { return wxEmptyString; }
virtual void SetActive() {}
virtual bool IsCommentOrString(long WXUNUSED(pos)) { return false; }
/**
* @brief return true if the caret is at a block comment
*/
virtual bool IsAtBlockComment() const { return false; }
/**
* @brief return true if the caret is at a line comment
*/
virtual bool IsAtLineComment() const { return false; }
virtual void AutoIndent(const wxChar&);
virtual void AutoAddComment();
virtual void CompleteWord() {}
virtual void CodeComplete(long pos = wxNOT_FOUND) { wxUnusedVar(pos); }
virtual void GotoDefinition() {}
virtual TagEntryPtr GetTagAtCaret(bool scoped, bool impl) { return NULL; }
virtual wxString GetCurrentScopeName() { return wxEmptyString; }
virtual void SemicolonShift() {}
virtual int DoGetCalltipParamterIndex();
// ctrl-click style navigation support
virtual int GetHyperlinkRange(int pos, int& start, int& end);
virtual void GoHyperlink(int start, int end, int type, bool alt);
// override this method if you wish to provide context based right click menu
virtual wxMenu* GetMenu();
/**
* @brief colour tokens in the current editor
* @param workspaceTokens list of token that are associated with the workspace
*/
virtual void ColourContextTokens(const wxString& workspaceTokensStr, const wxString& localsTokensStr)
{
wxUnusedVar(workspaceTokensStr);
wxUnusedVar(localsTokensStr);
}
/**
* @brief process any idle actions by the context
*/
virtual void ProcessIdleActions() {}
};
typedef SmartPtr<ContextBase> ContextBasePtr;
#endif // CONTEXT_BASE_H
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