File: addincludefiledlg.cpp

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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright            : (C) 2013 by Eran Ifrah
// file name            : addincludefiledlg.cpp
//
// -------------------------------------------------------------------------
// 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.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "addincludefiledlg.h"
#include "manager.h"
#include "frame.h"
#include "wx/filename.h"
#include "wx/regex.h"
#include <algorithm>
#include "editor_config.h"
#include "lexer_configuration.h"
#include "windowattrmanager.h"

wxArrayString AddIncludeFileDlg::m_includePath;

struct SAscendingSort {
    bool operator()(const wxString &s1, const wxString& s2) {
        return s1.Len() > s2.Len();
    }
};

AddIncludeFileDlg::AddIncludeFileDlg( wxWindow* parent, const wxString &fullpath, const wxString &text, int lineNo )
    :
    AddIncludeFileDlgBase( parent )
    , m_fullpath(fullpath)
    , m_text(text)
    , m_line(lineNo)
{
    UpdateLineToAdd();
    
    // Initialise the preview window
    LexerConf::Ptr_t cppLex = EditorConfigST::Get()->GetLexer("C++");
    cppLex->Apply( m_textCtrlPreview, true );
    
    //---------------------------------------------------------
    m_textCtrlPreview->MarkerDefine(0x7, wxSTC_MARK_ARROW);
    m_textCtrlPreview->MarkerSetBackground(0x7, wxT("YELLOW GREEN"));

    // Set the initial text
    m_textCtrlPreview->SetReadOnly(false);
    m_textCtrlPreview->AddText(m_text);
    m_textCtrlPreview->EmptyUndoBuffer();
    SetAndMarkLine();
    m_textCtrlLineToAdd->SetFocus();
    WindowAttrManager::Load(this, "AddIncludeFileDlg", NULL);
    Centre();
}

AddIncludeFileDlg::~AddIncludeFileDlg()
{
    WindowAttrManager::Save(this, "AddIncludeFileDlg", NULL);
}

void AddIncludeFileDlg::UpdateLineToAdd()
{
    wxString line;
    wxFileName fn(m_fullpath);
    m_textCtrlFullPath->ChangeValue(fn.GetFullPath());

    //try to get a match in the include path for this file
    wxString pp = fn.GetFullPath();
    pp.Replace(wxT("\\"), wxT("/"));

    wxString rest;
    for(size_t i=0; i< m_includePath.GetCount(); i++) {
        if(pp.StartsWith( m_includePath.Item(i) , &rest )) {
            break;
        }
    }

    if(rest.IsEmpty()) {
        rest = fn.GetFullName();
    }

    wxString errMsg;
    wxString projectName = clMainFrame::Get()->GetMainBook()->GetActiveEditor()->GetProject();
    ProjectPtr proj = WorkspaceST::Get()->FindProjectByName(projectName, errMsg);
    if(proj) {
        wxArrayString incls = proj->GetIncludePaths();
        std::sort(incls.begin(), incls.end(), SAscendingSort());

        for(size_t i=0; i<incls.GetCount(); i++) {
            wxString path = incls.Item(i);
#ifdef __WXMSW__
            path.MakeLower();
#endif
            if(m_fullpath.StartsWith(path, &rest) ) {
                break;
            }
        }
    }

    rest.Replace(wxT("\\"), wxT("/"));
    if(rest.StartsWith(wxT("/"))) {
        rest.Remove(0, 1);
    }

    if(!ManagerST::Get()->IsFileInWorkspace(m_fullpath)) {
        line << wxT("#include <") << rest << wxT(">");

    } else {
        line << wxT("#include \"") << rest << wxT("\"");

    }
    m_textCtrlLineToAdd->ChangeValue(line);
}

void AddIncludeFileDlg::SetAndMarkLine()
{
    wxString line = m_textCtrlLineToAdd->GetValue();
    m_textCtrlPreview->SetReadOnly(false);
    if (m_textCtrlPreview->CanUndo()) {
        m_textCtrlPreview->Undo();
    }

    m_textCtrlPreview->BeginUndoAction();
    if (m_line == wxNOT_FOUND) {
        m_line = 0;
    }
    m_textCtrlPreview->MarkerDeleteAll(0x7);
    long pos = m_textCtrlPreview->PositionFromLine(m_line);
    m_textCtrlPreview->InsertText(pos, line + wxT("\n"));
    m_textCtrlPreview->MarkerAdd(m_line, 0x7);
    m_textCtrlPreview->SetCurrentPos(pos);
    m_textCtrlPreview->SetSelectionStart(pos);
    m_textCtrlPreview->SetSelectionEnd(pos);
    m_textCtrlPreview->EnsureCaretVisible();
    m_textCtrlPreview->EndUndoAction();
    m_textCtrlPreview->SetReadOnly(true);
}

void AddIncludeFileDlg::OnTextUpdated(wxCommandEvent &e)
{
    wxUnusedVar(e);
    SetAndMarkLine();
}

void AddIncludeFileDlg::OnButtonDown(wxCommandEvent &event)
{
    wxUnusedVar(event);
    if (m_line+2 >= m_textCtrlPreview->GetLineCount()) {
        return;
    }
    m_line++;
    SetAndMarkLine();
}

void AddIncludeFileDlg::OnButtonUp(wxCommandEvent &event)
{
    wxUnusedVar(event);
    if (m_line-1 < 0) {
        return;
    }
    m_line--;
    SetAndMarkLine();
}

void AddIncludeFileDlg::OnButtonOK(wxCommandEvent &e)
{
    wxUnusedVar(e);
    //get the include file to add
    wxString fullpath = m_textCtrlFullPath->GetValue();
    static wxRegEx reIncludeFile(wxT("include *[\\\"\\<]{1}([a-zA-Z0-9_/\\.]*)"));
    wxString relativePath;

    if (reIncludeFile.Matches(m_textCtrlLineToAdd->GetValue())) {
        relativePath = reIncludeFile.GetMatch(m_textCtrlLineToAdd->GetValue(), 1);
    }

    fullpath.Replace(wxT("\\"), wxT("/"));
    relativePath.Replace(wxT("\\"), wxT("/"));
    wxFileName fn(fullpath);

    wxString inclPath;
    if (fullpath.EndsWith(relativePath, &inclPath) &&
        fullpath != relativePath &&	//dont save the '.' path this is done by default
        fn.GetFullName() != relativePath) { //if the relative path is only file name, nothing to cache
        m_includePath.Add(inclPath);
    }
    EndModal(wxID_OK);
}

void AddIncludeFileDlg::OnClearCachedPaths(wxCommandEvent &e)
{
    wxUnusedVar(e);
    m_includePath.Clear();
    UpdateLineToAdd();
    SetAndMarkLine();
}