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utils.cpp

/*
 * ====================================================================
 * Copyright (c) 2002-2009 The RapidSvn Group.  All rights reserved.
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (in the file GPL.txt.  
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://rapidsvn.tigris.org/.
 * ====================================================================
 */
// stl
#include "svncpp/vector_wrapper.hpp"

// wxWidgets
#include "wx/wx.h"
#include "wx/datetime.h"
#include "wx/filename.h"
#include "wx/mstream.h"
#include "wx/image.h"

// apr
#include "apr_strings.h"
#include "apr_time.h"

// svncpp
#include "svncpp/client.hpp"
#include "svncpp/status.hpp"
#include "svncpp/path.hpp"
#include "svncpp/url.hpp"

// app
#include "ids.hpp"
#include "utils.hpp"
#include "tracer.hpp"
#include "verblist.hpp"

// bitmaps
#include "res/bitmaps/add.png.h"
#include "res/bitmaps/commit.png.h"
#include "res/bitmaps/copy.png.h"
#include "res/bitmaps/delete.png.h"
#include "res/bitmaps/info.png.h"
#include "res/bitmaps/log.png.h"
#include "res/bitmaps/move.png.h"
#include "res/bitmaps/refresh.png.h"
#include "res/bitmaps/rename.png.h"
#include "res/bitmaps/resolve.png.h"
#include "res/bitmaps/revert.png.h"
#include "res/bitmaps/stop.png.h"
#include "res/bitmaps/update.png.h"
#include "res/bitmaps/annotate.png.h"

/** configuration options */

/**
 * Some wxWidgets released have know bugs with menu entries
 * with bitmaps. wxWidgets 2.4.1 doesnt fire events when
 * using menu items with bitmaps attached.
 * Set this option to "false" if you encounter this.
 * Default: true
 */
static const bool UseBitmapMenus = true;

static wxMenuItem *
CreateMenuItem(
  wxMenu * parentMenu, int id, const wxString & text,
  const wxBitmap & bitmap)
{
  wxMenuItem * item = new wxMenuItem(parentMenu, id, text);
  if (UseBitmapMenus)
    item->SetBitmap(bitmap);
  return item;
}

static wxMenuItem *
CreateMenuItem(
  wxMenu * parentMenu, int id, const wxString & text)
{
  return new wxMenuItem(parentMenu, id, text);
}

static wxMenuItem *
AppendMenuItem(
  wxMenu * parentMenu, int id, const wxString & text,
  const wxBitmap & bitmap)
{
  wxMenuItem * item = CreateMenuItem(parentMenu, id, text, bitmap);
  parentMenu->Append(item);
  return item;
}

static wxMenuItem *
AppendMenuItem(
  wxMenu * parentMenu, int id, const wxString & text)
{
  wxMenuItem * item = CreateMenuItem(parentMenu, id, text);
  parentMenu->Append(item);
  return item;
}

wxString & UnixPath(wxString & path)
{
#ifdef _WIN32
  path.Replace(wxT("\\"), wxT("/"));
#endif
  return path;
}


void
TrimString(wxString & str)
{
  str.Trim(TRUE);
  str.Trim(FALSE);
}

bool PostMenuEvent(wxEvtHandler *source, long id)
{
  // This is the way it's done in wxFrame
  wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);

  event.SetEventObject(source);

  return source->ProcessEvent(event);
}

wxButton *
CreateEllipsisButton(wxWindow *parent, long id)
{
  const wxChar *ELLIPSIS = wxT("...");
  int ellipsis_width, ellipsis_height;

  wxButton *button = new wxButton(parent, id, ELLIPSIS);
  parent->GetTextExtent(ELLIPSIS, &ellipsis_width, &ellipsis_height);

  // HACK: Should get real button border size from somewhere
  button->SetSize(wxSize(ellipsis_width + 2 * 3 + 2 * 2, -1));

  return button;
}

void
AppendModifyMenu(wxMenu * parentMenu)
{
  AppendMenuItem(*parentMenu, ID_Edit);

  parentMenu->AppendSeparator();
  AppendMenuItem(*parentMenu, ID_Update);
  AppendMenuItem(*parentMenu, ID_Commit);

  parentMenu->AppendSeparator();

  AppendMenuItem(parentMenu, ID_Property, _("&Properties...\tCTRL-P"),
                 EMBEDDED_BITMAP(info_png));

  parentMenu->AppendSeparator();

  AppendMenuItem(parentMenu, ID_Add, _("&Add\tINS"),
                 EMBEDDED_BITMAP(add_png));
  AppendMenuItem(parentMenu, ID_AddRecursive, _("Add r&ecursive"));
  AppendMenuItem(parentMenu, ID_Delete, _("&Delete\tDEL"),
                 EMBEDDED_BITMAP(delete_png));
  AppendMenuItem(parentMenu, ID_Ignore, _("&Ignore\tCTRL-DEL"));

  parentMenu->AppendSeparator();

  AppendMenuItem(parentMenu, ID_Revert, _("Re&vert\tCTRL-V"),
                 EMBEDDED_BITMAP(revert_png));
  AppendMenuItem(parentMenu, ID_UserResolve, _("In&teractive Resolve...\tCTRL-T"));
  AppendMenuItem(parentMenu, ID_Resolve, _("Re&solve conflicts\tCTRL-S"),
                 EMBEDDED_BITMAP(resolve_png));

  parentMenu->AppendSeparator();

  AppendMenuItem(parentMenu, ID_Copy, _("&Copy...\tF5"),
                 EMBEDDED_BITMAP(copy_png));
  AppendMenuItem(parentMenu, ID_Move, _("M&ove...\tF6"),
                 EMBEDDED_BITMAP(move_png));
  AppendMenuItem(parentMenu, ID_Rename, _("Re&name...\tCTRL-N"),
                 EMBEDDED_BITMAP(rename_png));
  AppendMenuItem(parentMenu, ID_Mkdir, _("Make &directory...\tF7"));

  parentMenu->AppendSeparator();

  AppendMenuItem(parentMenu, ID_Lock, _("&Lock..."));
  AppendMenuItem(parentMenu, ID_Unlock, _("&Unlock"));
}

void
AppendQueryMenu(wxMenu * parentMenu)
{
  AppendMenuItem(parentMenu, ID_Diff, _("&Diff...\tCTRL+D"));
  AppendMenuItem(parentMenu, ID_DiffBase, _("&Diff to Base...\tCTRL+B"));
  AppendMenuItem(parentMenu, ID_DiffHead, _("&Diff to Head...\tCTRL+H"));
  parentMenu->AppendSeparator();
  AppendMenuItem(parentMenu, ID_Log, _("&Log...\tCTRL-L"),
                 EMBEDDED_BITMAP(log_png));
  AppendMenuItem(parentMenu, ID_Info, _("&Info..."),
                 EMBEDDED_BITMAP(info_png));
  AppendMenuItem(parentMenu, ID_Annotate, _("&Annotate..."),
                 EMBEDDED_BITMAP(annotate_png));
}

void
AppendBookmarksMenu(wxMenu * parentMenu)
{
  AppendMenuItem(*parentMenu, ID_AddWcBookmark);
  AppendMenuItem(*parentMenu, ID_AddRepoBookmark);
  AppendMenuItem(*parentMenu, ID_Switch);
  parentMenu->AppendSeparator();
  AppendMenuItem(*parentMenu, ID_EditBookmark);
  AppendMenuItem(*parentMenu, ID_RemoveBookmark);
}

bool
CheckRevision(const wxString & revstring)
{
  svn_revnum_t revnum;

  return ParseRevision(revstring, revnum);
}

wxMenuItem *
AppendMenuItem(wxMenu & menu, int id)
{
  wxString caption;
  wxBitmap bitmap;

  switch (id)
  {
  case ID_Edit:
    caption = _("&Edit...\tF3");
    break;

  case ID_AddWcBookmark:
    caption = _("&Add Existing Working Copy...");
    // bitmap = EMBEDDED_BITMAP(add_wc_bookmark_png);
    break;

  case ID_AddRepoBookmark:
    caption = _("Add Existing &Repository...");
    break;

  case ID_Switch:
    caption = _("&Switch Repository URL...");
    break;

  case ID_RemoveBookmark:
    caption = _("&Remove Bookmark");
    // bitmap = EMBEDDED_BITMAP(remove_bookmark_png);
    break;

  case ID_EditBookmark:
    caption = _("&Edit Bookmark...");
    break;

  case ID_CreateRepository:
    caption = _("Create New Repository...");
    break;

  case ID_Checkout:
    caption = _("Checkout New Working Copy...");
    break;

  case ID_Login:
    caption =  _("Login...");
    break;

  case ID_Update:
    caption = _("&Update...\tCTRL-U");
    bitmap = EMBEDDED_BITMAP(update_png);
    break;

  case ID_Commit:
    caption = _("Co&mmit...\tCTRL-ENTER");
    bitmap = EMBEDDED_BITMAP(commit_png);
    break;

  case ID_Quit:
    caption = _("E&xit\tCTRL-Q");
    break;

  case ID_Refresh:
    caption = _("Refresh View\tCTRL-R");
    bitmap = EMBEDDED_BITMAP(refresh_png);
    break;

  case ID_Preferences:
    caption = _("Preferences...");
    break;

  case ID_Cleanup:
    caption = _("Cleanup");
    break;

  case ID_Column_Reset:
    caption = _("Reset Columns");
    break;

  case ID_Stop:
    caption = _("&Stop");
    bitmap = EMBEDDED_BITMAP(stop_png);
    break;

  case ID_Explore:
    caption = _("Explore...\tF2");
  }

  wxMenuItem * item = AppendMenuItem(&menu, id, caption, bitmap);

  return item;
}


bool
ParseRevision(const wxString & revstring, svn_revnum_t & revnum)
{
  wxString value(revstring);

  TrimString(value);
  if (value.Length() <= 0)
    return false;

  return value.ToLong(&revnum);
}


wxString
FormatDateTime(apr_time_t date)
{
  wxString wxstrtime;
  if (date == 0)
  {
    return wxstrtime;
  }
  apr_time_exp_t te;
  apr_status_t apr_err = apr_time_exp_lt(&te, date);
  if (!apr_err)
  {
    wxDateTime wxdate = wxDateTime(
                          (wxDateTime::wxDateTime_t)te.tm_mday,
                          (wxDateTime::Month)te.tm_mon,
                          (int)te.tm_year + 1900,
                          (wxDateTime::wxDateTime_t)te.tm_hour,
                          (wxDateTime::wxDateTime_t)te.tm_min,
                          (wxDateTime::wxDateTime_t)te.tm_sec);
    wxstrtime = wxdate.Format(_("%x %X"));
  }
  return wxstrtime;
}


wxString
BeautifyPath(const wxString & path)
{
  int pos = path.Find(wxT(":"));

  if (pos <= 0)
    return path;

  // ok. we do have a dot. So is it an url or
  // a windows drive?
  wxString start(path.Left(pos));

  // lowercase the Drive / URL schema part
  return start.Lower() + path.Mid(pos);
}


wxString
StatusDescription(const svn_wc_status_kind kind)
{
  switch (kind)
  {
  case svn_wc_status_none:
    return _("none");
    break;
  case svn_wc_status_unversioned:
    return _("unversioned");
    break;
  case svn_wc_status_normal:
    return _("normal");
    break;
  case svn_wc_status_added:
    return _("added");
    break;
  case svn_wc_status_missing:
    return _("missing");
    break;
  case svn_wc_status_deleted:
    return _("deleted");
    break;
  case svn_wc_status_replaced:
    return _("replaced");
    break;
  case svn_wc_status_modified:
    return _("modified");
    break;
  case svn_wc_status_merged:
    return _("merged");
    break;
  case svn_wc_status_conflicted:
    return _("conflicted");
    break;
  case svn_wc_status_obstructed:
    return _("obstructed");
    break;
  case svn_wc_status_external:
    return _("external");
    break;
  case svn_wc_status_incomplete:
    return _("incomplete");
    break;
  case svn_wc_status_ignored:
    return _("ignored");
  default:
    return _("unknown value");
    break;
  }
}

#if !wxUSE_UNICODE
static wxMBConv *
GetWXLocalConv()
{
#if defined(__WXGTK20__)
  // In wxGTK 2.0+, for some reason wvConvCurrent
  // is always set to wxConvUTF8 - which is not correct!
  // We will instead echo some logic in wxEntryStart
  // to choose between wxConvLibc & wxConvLocal.
  static wxMBConv *wxConvCorrect = NULL;

  if (wxConvCorrect == NULL)
  {
    if (wxOKlibc())
    {
      wxConvCorrect = &wxConvLibc;
    }
    else
    {
      wxConvCorrect = &wxConvLocal;
    }
  }

  return wxConvCorrect;
#else
  // Use what wxWidgets has already selected to be the correct conversion
  return wxConvCurrent;
#endif
}
#endif

wxString
Utf8ToLocal(const char* srcUtf8)
{
#if wxUSE_UNICODE
  wxString dst(srcUtf8, wxConvUTF8);
#else
  wxString dst(wxConvUTF8.cMB2WC(srcUtf8), *GetWXLocalConv());
#endif

  return dst;
}

wxString
Utf8ToLocal(const std::string& srcUtf8)
{
  return Utf8ToLocal(srcUtf8.c_str());
}

std::string
LocalToUtf8(const wxString & srcLocal)
{
#if wxUSE_UNICODE
  std::string dst(srcLocal.mb_str(wxConvUTF8));
#else
  wxString wxdst(srcLocal.wc_str(*GetWXLocalConv()), wxConvUTF8);
  std::string dst(wxdst.mb_str());
#endif

  return dst;
}

void
LocalToUtf8(const wxString & srcLocal, std::string & dstUtf8)
{
#if wxUSE_UNICODE
  dstUtf8 = srcLocal.mb_str(wxConvUTF8);
#else
  wxString wxdst(srcLocal.wc_str(*GetWXLocalConv()), wxConvUTF8);
  dstUtf8 = wxdst.mb_str();
#endif
}

svn::Path
PathUtf8(const wxString & path)
{
  std::string utf8;
  LocalToUtf8(path, utf8);

  if (svn::Url::isValid(utf8.c_str()))
    return svn::Url::escape(utf8.c_str()).c_str();
  else
    return utf8;
}


void
AppendVerbMenu(wxMenu * parentMenu, svn::Status * status)
{
  wxASSERT(status);

  // Append file verbs
  try
  {
    VerbList verbList;

    // We don't want verbs on directories, even though they exist
    bool isADirectory = status->entry().kind() == svn_node_dir;
    if (!isADirectory)
      verbList.InitFromDocument(Utf8ToLocal(status->path()), isADirectory);

    if (verbList.GetCount() == 0)
      return;

    wxMenu * menu = new wxMenu();

    size_t i = 0;
    for (;
         (i < verbList.GetCount()) &&
         (i < (ID_Verb_Max - ID_Verb_Min + 1)); i++)
    {
      wxMenuItem *pItem;
      pItem = new wxMenuItem(menu, ID_Verb_Min + i, verbList.GetName(i));
      menu->Append(pItem);
    }

    parentMenu->Append(ID_Open, _("Open..."), menu);
  }
  catch (...)
  {
    // Failed assembling verbs.
    // TODO: Report this error in the status bar?
  }
}


wxBitmap
EmbeddedBitmap(const unsigned char * data, size_t len)
{
  wxMemoryInputStream is(data, len);
  wxImage img(is, wxBITMAP_TYPE_ANY, -1);
  img.ConvertAlphaToMask();
  return wxBitmap(img, -1);
}


void
OpenURL(const wxString & url)
{
#ifdef _WIN32
  // Right now @ref wxLaunchDefaultBrowser works only on
  // Windows, we have to work on this and detect
  // the browser on Mac OS and Linux as well
  wxLaunchDefaultBrowser(url);
#else
  // Well, maybe we can run Firefox?
  wxString args;
  args.Printf(wxT("firefox \"%s\""), url.c_str());
  wxExecute(args, wxEXEC_ASYNC | wxEXEC_NOHIDE);
#endif
}


wxString
PathToNative(const svn::Path & path)
{
  return Utf8ToLocal(path.native());
}

wxString
FullNativePath(const svn::Path & target, const wxString & base, bool flat)
{
  if (target.isUrl())
  {
    return PathToNative(target);
  }
  else
  {
    if (flat)
    {
      wxFileName filename = wxFileName::FileName(PathToNative(target));
      filename.Normalize();
      return filename.GetFullPath();
    }
    else
    {
      return base + wxFileName::GetPathSeparator() +
             wxFileName::FileName(PathToNative(target)).GetFullName();
    }
  }
}

bool
HasModifiedChildren(const svn::Path & path, svn::Context * context)
{
  // there is no such thing like a modifed item in an url...
  if (svn::Url::isValid(path.c_str()))
    return false;

  svn::Client client(context);
  svn::StatusEntries children = 
    client.status(path.c_str(),
                  true,   // Recursive
                  false); // Only get interesting entries

  svn::StatusEntries::iterator it;
  for (it = children.begin(); it != children.end(); it++)
  {
    svn::Status & childStatus = *it;

    if ((childStatus.textStatus() == svn_wc_status_modified) ||
        (childStatus.propStatus() == svn_wc_status_modified))
    {
      return true;
    }
  }

  return false;
}
/* -----------------------------------------------------------------
 * local variables:
 * eval: (load-file "../rapidsvn-dev.el")
 * end:
 */

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