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path: root/languages/kjssupport/subclassingdlg.cpp
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/***************************************************************************
 *   Copyright (C) 2002 by Jakob Simon-Gaarde                              *
 *   jsgaarde@tdcspace.dk                                                  *
 *   Copyright (C) 2003 by Alexander Dymo                                  *
 *   cloudtemple@mksat.net                                                 *
 *                                                                         *
 *   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 "subclassingdlg.h"
#include "kjssupport_part.h"
/*#include "backgroundparser.h"
#include "store_walker.h"
#include "cppsupportfactory.h"*/
#include <tdevelop/kdevsourceformatter.h>
#include <tdevelop/kdevproject.h>
#include <tdevelop/filetemplate.h>
#include <tdevelop/codemodel.h>

#include <tqradiobutton.h>
#include <tqstringlist.h>
#include <tqcheckbox.h>
#include <tqmessagebox.h>
#include <tdefiledialog.h>
#include <klineedit.h>
#include <tqpushbutton.h>
#include <domutil.h>
#include <tqdom.h>
#include <kstandarddirs.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqfile.h>
#include <tqregexp.h>
#include <tdeconfig.h>


#define WIDGET_CAPTION_NAME "widget/property|name=caption/string"
#define WIDGET_CLASS_NAME   "class"
#define WIDGET_SLOTS        "slots"
#define WIDGET_FUNCTIONS    "functions"

// All widgets
#define SLOT_ACCEPT SlotItem(m_slotView,"accept()","virtual","protected","void",false,true)
#define SLOT_REJECT SlotItem(m_slotView,"reject()","virtual","protected","void",false,true)

// Wizards
#define SLOT_BACK SlotItem(m_slotView,"back()","virtual","protected","void",false,true)
#define SLOT_NEXT SlotItem(m_slotView,"next()","virtual","protected","void",false,true)
#define SLOT_HELP SlotItem(m_slotView,"help()","virtual","protected","void",false,true)


SlotItem::SlotItem(TQListView *parent,const TQString &methodName,
                   const TQString &specifier,
                   const TQString &access, const TQString &returnType,
                   bool isFunc,bool callBaseClass)
: TQCheckListItem(parent,methodName,TQCheckListItem::CheckBox)
{
  setOn(true);
  m_methodName = methodName;
  m_access = access.isEmpty() ? (const TQString) "public" : access;
  m_specifier = specifier.isEmpty() ? (const TQString) "virtual" : specifier;
  m_returnType = returnType.isEmpty() ? (const TQString) "void" : returnType;
  m_isFunc = isFunc;
  m_callBaseClass = callBaseClass;
  setText(0,m_methodName);
  setText(1,m_access);
  setText(2,m_specifier);
  setText(3,m_returnType);
  setText(4,m_isFunc ? "Function" : "Slot");
  if (m_access=="private" ||
      m_specifier=="non virtual")
  {
    setOn(false);
    setEnabled(false);
  }
  if (m_specifier=="pure virtual")
  {
    setOn(true);
    setEnabled(false);
  }
  m_alreadyInSubclass = false;
}

void SlotItem::setAllreadyInSubclass()
{
  setOn(true);
  setEnabled(false);
  m_alreadyInSubclass = true;
}


SubclassingDlg::SubclassingDlg(kjsSupportPart* kjsSupport, const TQString &formFile,TQStringList &newFileNames,
                               TQWidget* parent, const char* name,bool modal, WFlags fl)
: SubclassingDlgBase(parent,name,modal,fl),
m_newFileNames(newFileNames), m_kjsSupport( kjsSupport )
//=================================================
{
  m_formFile = formFile;
  readUiFile();
  m_creatingNewSubclass = true;

/*  TDEConfig *config = kjsSupportFactory::instance()->config();
  if (config)
  {
    config->setGroup("Subclassing");
    reformatDefault_box->setChecked(config->readBoolEntry("Reformat Source", 0));
    if (reformatDefault_box->isChecked())
        reformat_box->setChecked(true);
  }*/
//  m_btnOk->setEnabled(true);
}


/*SubclassingDlg::SubclassingDlg(kjsSupportPart* kjsSupport, const TQString &formFile,const TQString &filename,TQStringList &dummy,
                               TQWidget* parent, const char* name,bool modal, WFlags fl)
: SubclassingDlgBase(parent,name,modal,fl),
m_newFileNames(dummy), m_kjsSupport( kjsSupport )
//=================================================
{
  m_formFile = formFile;
  m_creatingNewSubclass = false;
  m_filename = filename;

  TDEConfig *config = kjsSupportFactory::instance()->config();
  if (config)
  {
    config->setGroup("Subclassing");
    reformatDefault_box->setChecked(config->readBoolEntry("Reformat Source", 0));
    if (reformatDefault_box->isChecked())
        reformat_box->setChecked(true);
  }

  TQStringList pathsplit(TQStringList::split('/',filename));

  TQString baseClass = readBaseClassName();
  if (!kjsSupport->codeModel()->hasFile(filename+TQString(".h")))
    return;
  ClassList myClasses = kjsSupport->codeModel()->fileByName(filename+TQString(".h"))->classList();
  for (ClassList::const_iterator classIt = myClasses.begin(); classIt != myClasses.end(); ++classIt)
  {
    kdDebug() << "base class " << baseClass << " class " << (*classIt)->name()
        << " parents " << (*classIt)->baseClassList().join(",") << endl;
    if ( (*classIt)->baseClassList().findIndex(baseClass) != -1 )
    {
      kdDebug() << "base class matched " << endl;
      m_edClassName->setText((*classIt)->name());
      m_edFileName->setText(pathsplit[pathsplit.count()-1]);

      FunctionList functionList = (*classIt)->functionList();
      for (FunctionList::const_iterator methodIt = functionList.begin();
          methodIt != functionList.end(); ++methodIt)
      {
        m_parsedMethods << (*methodIt)->name() + "(";
      }
    }
  }
  readUiFile();
  m_btnOk->setEnabled(true);
}
*/
bool SubclassingDlg::alreadyInSubclass(const TQString &method)
{
  for (uint i=0;i<m_parsedMethods.count();i++)
    if (method.find(m_parsedMethods[i])==0)
      return true;
  return false;
}

void SubclassingDlg::readUiFile()
{
  TQStringList splitPath = TQStringList::split('/',m_formFile);
  m_formName = TQStringList::split('.',splitPath[splitPath.count()-1])[0]; // "somedlg.ui" = "somedlg"
  splitPath.pop_back();
  m_formPath = "/" + splitPath.join("/"); // join path to ui-file

  m_btnOk->setEnabled(false);
  TQDomDocument doc;

  DomUtil::openDOMFile(doc,m_formFile);
  m_baseClassName = DomUtil::elementByPathExt(doc,WIDGET_CLASS_NAME).text();

  m_baseCaption = DomUtil::elementByPathExt(doc,WIDGET_CAPTION_NAME).text();
  setCaption(i18n("Create Subclass of ")+m_baseClassName);

  // Special widget specific slots
  SlotItem *newSlot;
  m_qtBaseClassName = DomUtil::elementByPathExt(doc,"widget").attribute("class",TQDIALOG_OBJECT_NAME_STRING);

  if ( (m_qtBaseClassName==TQMAINWINDOW_OBJECT_NAME_STRING) || (m_qtBaseClassName==TQWIDGET_OBJECT_NAME_STRING) )
    m_canBeModal = false;
  else
    m_canBeModal = true;
  if (m_qtBaseClassName != TQWIDGET_OBJECT_NAME_STRING)
  {
      newSlot = new SLOT_ACCEPT;
      newSlot->setOn(false);
      if (alreadyInSubclass("accept()"))
          newSlot->setAllreadyInSubclass();
      m_slotView->insertItem(newSlot);
      m_slots << newSlot;

      newSlot = new SLOT_REJECT;
      newSlot->setOn(false);
      if (alreadyInSubclass("reject()"))
          newSlot->setAllreadyInSubclass();
      m_slotView->insertItem(newSlot);
      m_slots << newSlot;
  }

  if (m_qtBaseClassName == TQWIZARD_OBJECT_NAME_STRING)
  {
    newSlot = new SLOT_NEXT;
    m_slotView->insertItem(newSlot);
    if (alreadyInSubclass("next()"))
      newSlot->setAllreadyInSubclass();
    m_slots << newSlot;
    newSlot = new SLOT_BACK;
    m_slotView->insertItem(newSlot);
    if (alreadyInSubclass("back()"))
      newSlot->setAllreadyInSubclass();
    m_slots << newSlot;
    newSlot = new SLOT_HELP;
    newSlot->setOn(false);
    if (alreadyInSubclass("help()"))
      newSlot->setAllreadyInSubclass();
    m_slotView->insertItem(newSlot);
    m_slots << newSlot;
  }

  TQDomElement slotsElem = DomUtil::elementByPathExt(doc,WIDGET_SLOTS);
  TQDomNodeList slotnodes = slotsElem.childNodes();

  for (unsigned int i=0; i<slotnodes.count();i++)
  {
    TQDomElement slotelem = slotnodes.item(i).toElement();
    newSlot = new SlotItem(m_slotView,slotelem.text(),
                           slotelem.attributeNode("specifier").value(),
                           slotelem.attributeNode("access").value(),
                           slotelem.attributeNode("returnType").value(),false);
    m_slotView->insertItem(newSlot);
    if (alreadyInSubclass(slotelem.text()))
      newSlot->setAllreadyInSubclass();
    m_slots << newSlot;
  }

  TQDomElement funcsElem = DomUtil::elementByPathExt(doc,WIDGET_FUNCTIONS);
  TQDomNodeList funcnodes = funcsElem.childNodes();
  SlotItem *newFunc;
  for (unsigned int i=0; i<funcnodes.count();i++)
  {
    TQDomElement funcelem = funcnodes.item(i).toElement();
    newFunc = new SlotItem(m_slotView,funcelem.text(),
                           funcelem.attributeNode("specifier").value(),
                           funcelem.attributeNode("access").value(),
                           funcelem.attributeNode("returnType").value(),true);
    m_slotView->insertItem(newFunc);
    if (alreadyInSubclass(funcelem.text()))
      newFunc->setAllreadyInSubclass();
    m_slots << newFunc;
  }

  TQDomElement connElem = DomUtil::elementByPathExt(doc,"connections");
  TQDomNodeList connnodes = connElem.childNodes();
  for (unsigned int i=0; i<connnodes.count();i++)
  {
    TQDomElement connelem = connnodes.item(i).toElement();
    connections += "$NEWCLASS$.connect(";
    if (connelem.namedItem("sender").toElement().text() == m_baseClassName)
       connections += "this";
    else
       connections += "$NEWCLASS$.child('" + connelem.namedItem("sender").toElement().text() + "')";
    connections += ", '" + connelem.namedItem("signal").toElement().text() + "', ";
    if (connelem.namedItem("receiver").toElement().text() == m_baseClassName)
       connections += "this";
    else
       connections += "$NEWCLASS$.child('" + connelem.namedItem("receiver").toElement().text() + "')";
    connections += ", '" + connelem.namedItem("slot").toElement().text().remove("()") + "');\n";
  }
}

SubclassingDlg::~SubclassingDlg()
//===============================
{
}


void SubclassingDlg::updateDlg()
//==============================
{
}

void SubclassingDlg::replace(TQString &string, const TQString& search, const TQString& replace)
//==========================================================================================
{
  int nextPos = string.find(search);
  unsigned int searchLength = search.length();
  while (nextPos>-1)
  {
    string = string.replace(nextPos,searchLength,replace);
    nextPos = string.find(search,nextPos+replace.length());
  }
}

bool SubclassingDlg::loadBuffer(TQString &buffer, const TQString& filename)
//======================================================================
{
  // open file and buffer it
  TQFile dataFile(filename);
  if (!dataFile.open(IO_ReadOnly))
    return false;
  char *temp = new char[dataFile.size()+1];
  dataFile.readBlock(temp,dataFile.size());
  temp[dataFile.size()]='\0';
  buffer = temp;
  delete [] temp;
  dataFile.close();
  return true;
}

bool SubclassingDlg::replaceKeywords(TQString &buffer,bool canBeModal)
//===================================================================
{
  replace(buffer,"$NEWFILENAMEUC$",m_edFileName->text().upper());
  replace(buffer,"$BASEFILENAMELC$",m_formName.lower());
  replace(buffer,"$BASEFILENAME$",m_formName);
  replace(buffer,"$NEWCLASS$",m_edClassName->text());
  replace(buffer,"$BASECLASS$",m_baseClassName);
  replace(buffer,"$NEWFILENAMELC$",m_edFileName->text().lower());
  if (canBeModal)
  {
    replace(buffer,"$CAN_BE_MODAL_H$",", bool modal = FALSE");
    replace(buffer,"$CAN_BE_MODAL_CPP1$",", bool modal");
    replace(buffer,"$CAN_BE_MODAL_CPP2$",", modal");
  }
  else
  {
    replace(buffer,"$CAN_BE_MODAL_H$","");
    replace(buffer,"$CAN_BE_MODAL_CPP1$","");
    replace(buffer,"$CAN_BE_MODAL_CPP2$","");
  }

  return true;
}

bool SubclassingDlg::saveBuffer(TQString &buffer, const TQString& filename)
//=======================================================================
{
  // save buffer

  TQFile dataFile(filename);
  if (!dataFile.open(IO_WriteOnly | IO_Truncate))
    return false;
  dataFile.writeBlock((buffer+"\n").ascii(),(buffer+"\n").length());
  dataFile.close();
  return true;
}


void SubclassingDlg::accept()
//===========================
{
/*  TDEConfig *config = kjsSupportFactory::instance()->config();
  if (config)
  {
    config->setGroup("Subclassing");
    config->writeEntry("Reformat Source", reformatDefault_box->isChecked());
  }*/

  unsigned int i;

  // h - file

  TQString public_slot =
    "/*$PUBLIC_SLOTS$*/\n  ";

  TQString protected_slot =
    "/*$PROTECTED_SLOTS$*/\n  ";

  TQString public_func =
    "/*$PUBLIC_FUNCTIONS$*/\n  ";

  TQString protected_func =
    "/*$PROTECTED_FUNCTIONS$*/\n  ";

  TQString buffer;
  if (m_creatingNewSubclass)
  {
    loadBuffer(buffer,::locate("data", "kdevkjssupport/subclassing/subclass_template.js"));
    kdDebug() << "buffer: " << buffer << endl;
    buffer = "var $NEWCLASS$ = Factory.loadui(\"$BASEFILENAME$.ui\", this);\n\n" + buffer;
    buffer = FileTemplate::read(m_kjsSupport, "js") + buffer + connections;
    kdDebug() << "buffer: " << buffer << endl;
    TQFileInfo fi(m_filename + ".js");
    TQString module = fi.baseName();
    TQString basefilename = fi.baseName(true);
    buffer.replace(TQRegExp("\\$MODULE\\$"),module);
    buffer.replace(TQRegExp("\\$FILENAME\\$"),basefilename);    
  }
  else
    loadBuffer(buffer,m_filename+".js");

  // js - file

  TQString implementation =
    "/*$SPECIALIZATION$*/\n"
    "function $METHOD$\n"
    "{\n"
    "}\n";

  replaceKeywords(buffer,m_canBeModal);
  for (i=0; i<m_slots.count(); i++)
  {
    SlotItem *slitem = m_slots[i];
    if (!slitem->isOn() ||
         slitem->m_alreadyInSubclass)
      continue;
    TQString impl = implementation;
    replace(impl,"$RETURNTYPE$",slitem->m_returnType);
    replace(impl,"$NEWCLASS$",m_edClassName->text());
    replace(impl,"$METHOD$", slitem->m_methodName);
    replace(impl,"$TQTBASECLASS$", m_qtBaseClassName);
    replace(buffer,"/*$SPECIALIZATION$*/",impl);
  }
  kdDebug() << buffer << endl;

  if (reformat_box->isChecked())
    buffer = m_kjsSupport->sourceFormatter()->formatSource(buffer);

  if (m_creatingNewSubclass)
    saveBuffer(buffer,m_formPath + "/" + m_edFileName->text()+".js");
  else
    saveBuffer(buffer,m_filename+".js");

  if (m_creatingNewSubclass)
  {
    m_newFileNames.append(m_formPath + "/" + m_edFileName->text()+".js");
  }
  SubclassingDlgBase::accept();
}

void SubclassingDlg::onChangedClassName()
//=======================================
{
  m_edFileName->setText(m_edClassName->text().lower());
  if (m_edFileName->text().isEmpty() ||
      m_edClassName->text().isEmpty())
    m_btnOk->setEnabled(false);
  else
    m_btnOk->setEnabled(true);
}

TQString SubclassingDlg::readBaseClassName( )
{
  TQDomDocument doc;
  DomUtil::openDOMFile(doc,m_formFile);
  return DomUtil::elementByPathExt(doc,WIDGET_CLASS_NAME).text();
}