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path: root/kommander/editor/assoctexteditorimpl.cpp
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/***************************************************************************
                          assoctexteditorimpl.cpp  - Associated text editor implementation
                             -------------------
    copyright            : (C) 2003    Marc Britton <consume@optusnet.com.au>
                           (C) 2004    Michal Rudolf <mrudolf@kdewebdev.org>
                           (C) 2006    Andras Mantia <amantia@kde.org>
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
/* KDE INCLUDES */
#include <klocale.h>
#include <kfiledialog.h>
#include <kmessagebox.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kiconloader.h>
#include <kpushbutton.h>
#include <ktextedit.h>
#include <kdebug.h>
#include <kpopupmenu.h>
#include <kactioncollection.h>
#include <kdebug.h>

#include <ktexteditor/view.h>
#include <ktexteditor/editorchooser.h>
#include <ktexteditor/editinterface.h>
#include <ktexteditor/viewcursorinterface.h>
#include <ktexteditor/highlightinginterface.h>
#include <ktexteditor/popupmenuinterface.h>
#include <ktexteditor/undointerface.h>

#include <kparts/partmanager.h>

/* QT INCLUDES */
#include <tqstringlist.h>
#include <tqmetaobject.h>
#include <tqcombobox.h>
#include <tqstring.h>
#include <tqfile.h>
#include <tqobject.h>
#include <tqobjectlist.h>
#include <tqtimer.h>
#include <tqevent.h>
#include <tqvaluelist.h>

/* OTHER INCLUDES */
#include <cstdio>
#include "assoctexteditorimpl.h"
#include "kommanderwidget.h"
#include "formwindow.h"
#include "propertyeditor.h"
#include "command.h"
#include "metadatabase.h"
#include "choosewidgetimpl.h"
#include "functionsimpl.h"

TQValueList<TQWidget *> openedWidgets;

AssocTextEditor::AssocTextEditor(TQWidget *a_widget, FormWindow* a_form,
    PropertyEditor* a_property, KParts::PartManager *partManager, TQWidget *a_parent, const char *a_name, bool a_modal)
    : AssocTextEditorBase(a_parent, a_name, a_modal)
{
  // text editor
/*  associatedTextEdit->setFont(KGlobalSettings::fixedFont());
  associatedTextEdit->setTabStopWidth(associatedTextEdit->fontMetrics().maxWidth() * 3);
  associatedTextEdit->setTextFormat(Qt::PlainText);*/

  // icon for non-empty scripts
  scriptPixmap = KGlobal::iconLoader()->loadIcon("source", KIcon::Small);

  // signals and slots connections
  m_formWindow = a_form;
  m_propertyEditor = a_property;
  m_widget = a_widget;

  // list of widgets that can be edited
  buildWidgetList();
  for (int i=0; i<widgetsComboBox->count(); i++)
    if (widgetFromString(widgetsComboBox->text(i)) == m_widget)
    {
      widgetsComboBox->setCurrentItem(i);
      break;
    }

  doc = KTextEditor::createDocument ("libkatepart", a_parent, "KTextEditor::Document");
  TQGridLayout *layout = new TQGridLayout(editorFrame, 1, 1);
  view = doc->createView(editorFrame);
  layout->addWidget(view, 1,1);
  partManager->addPart(doc, true);

  //trick to import all the KatePart actions into the dialog
  KPopupMenu *invisiblePopup = new KPopupMenu(this);
  KActionCollection *ac = view->actionCollection();
  uint count = ac->count();
  for (uint i = 0; i < count; i++)
  {
    ac->action(i)->plug(invisiblePopup);
  }

  //add those KatePart actions to a popup menu that are important
  KPopupMenu *popup = new KPopupMenu(this);
  KAction *a = view->actionCollection()->action("edit_undo");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_redo");
  if (a)
    a->plug(popup);
  popup->insertSeparator();
  a = view->actionCollection()->action("edit_find");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_find_next");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_find_prev");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_replace");
  if (a)
    a->plug(popup);
  popup->insertSeparator();
  a = view->actionCollection()->action("edit_cut");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_copy");
  if (a)
    a->plug(popup);
  a = view->actionCollection()->action("edit_paste");
  if (a)
    a->plug(popup);
  readOnlyAction = view->actionCollection()->action("tools_toggle_write_lock");
  popup->insertSeparator();
  highlightPopup = new KPopupMenu(popup);
  connect(highlightPopup, TQT_SIGNAL(activated(int)), TQT_SLOT(slotHighlightingChanged(int)));

  popup->insertItem(i18n("&Highlighting"), highlightPopup);

  KTextEditor::PopupMenuInterface *popupIf = dynamic_cast<KTextEditor::PopupMenuInterface *>(view);
  popupIf->installPopup(popup);

  associatedTextEdit = dynamic_cast<KTextEditor::EditInterface*>(doc);
  readOnly = true;
  if (readOnlyAction)
     readOnlyAction->activate();
  setWidget(a_widget);

  connect(doc, TQT_SIGNAL(textChanged()), TQT_SLOT(textEditChanged()));
  connect(widgetsComboBox, TQT_SIGNAL(activated(int)), TQT_SLOT(widgetChanged(int)));
  connect(stateComboBox, TQT_SIGNAL(activated(int)), TQT_SLOT(stateChanged(int)));
  connect(filePushButton, TQT_SIGNAL(clicked()), TQT_SLOT(insertFile()));
  connect(functionButton, TQT_SIGNAL(clicked()), TQT_SLOT(insertFunction()));
  connect(widgetComboBox, TQT_SIGNAL(activated(int)), TQT_SLOT(insertWidgetName(int)));
  connect(treeWidgetButton, TQT_SIGNAL(clicked()), TQT_SLOT(selectWidget()));

  view->setFocus();
}

AssocTextEditor::~AssocTextEditor()
{
  save();
  delete doc;
  if (!readOnly)
    openedWidgets.remove(m_widget);
}

void AssocTextEditor::setWidget(TQWidget *a_widget)
{
  KommanderWidget *a_atw = dynamic_cast<KommanderWidget *>(a_widget);
  if (!a_widget || !a_atw)
    return;


  if (!readOnly)
    openedWidgets.remove(m_widget);
  if (readOnly)
  {
     if (readOnlyAction)
      readOnlyAction->activate();
     readOnly = false;
     setCaption(i18n("Edit text"));
  }

  m_widget = a_widget;
  m_states = a_atw->states();
  m_populationText = a_atw->populationText();

  // list of states of current widget (plus population text)
  stateComboBox->clear();
  stateComboBox->insertStringList(a_atw->displayStates());
  stateComboBox->insertItem("population");

  // set states and population scripts
  TQStringList at = a_atw->associatedText();
  m_atdict.clear();
  TQStringList::iterator at_it = at.begin();
  for(TQStringList::ConstIterator s_it = m_states.begin(); s_it != m_states.end(); ++s_it)
  {
    if(at_it != at.end())
    {
      m_atdict[(*s_it)] = (*at_it);
      ++at_it;
    }
    else
      m_atdict[(*s_it)] = TQString::null;
  }
  m_populationText = a_atw->populationText();

  // show pixmaps for nonempty scripts
  int m_initialization = -1;
  int p_population = stateComboBox->count()-1;
  int active = -1;
  for (int i = 0; i < p_population; i++)
  {
    if (!m_atdict[stateComboBox->text(i)].isEmpty())
    {
       stateComboBox->changeItem(scriptPixmap, stateComboBox->text(i), i);
       if (active == -1) active = i;
    }
    if (stateComboBox->text(i) == "initialization")
      m_initialization = i;
  }
  if (!m_populationText.isEmpty())
  {
    stateComboBox->changeItem(scriptPixmap, stateComboBox->text(p_population), p_population);
    if (active == -1) active = p_population;
  }
  if (active == -1 && m_initialization != -1)
  {
    active = m_initialization;
  }
  if (active == -1) active = 0;

  // initial text for initial state
  stateComboBox->setCurrentItem(active);
  m_currentState = stateComboBox->currentText();
  stateChanged(active);

  KTextEditor::UndoInterface *undoIf = dynamic_cast<KTextEditor::UndoInterface*>(doc);
  undoIf->clearUndo();


  if (openedWidgets.contains(m_widget))
  {
    if (readOnlyAction && !readOnly)
      readOnlyAction->activate();
    setCaption(i18n("Edit text - read only mode"));
    readOnly = true;
  }
  else
  {
    openedWidgets.append(m_widget);
  }

}

void AssocTextEditor::save() const
{
  KommanderWidget *atw = dynamic_cast<KommanderWidget *>(m_widget);
  if (!atw)
    return;

  if (atw->associatedText() != associatedText())
  {
    TQString text = i18n("Set the \'text association\' of \'%1\'").arg(m_widget->name());
    SetPropertyCommand *cmd  = new SetPropertyCommand(text, m_formWindow,
        m_widget, m_propertyEditor, "associations", atw->associatedText(),
        associatedText(), TQString::null, TQString::null, false);
    cmd->execute();
    m_formWindow->commandHistory()->addCommand(cmd);
    MetaDataBase::setPropertyChanged(m_widget, "associations", true);
  }
  if (atw->populationText() != populationText())
  {
    TQString text = i18n("Set the \'population text\' of \'%1\'").arg(m_widget->name());
    SetPropertyCommand *cmd  = new SetPropertyCommand(text, m_formWindow, m_widget,
        m_propertyEditor, "populationText", atw->populationText(),
        populationText(), TQString::null, TQString::null, false);
    cmd->execute();
    m_formWindow->commandHistory()->addCommand(cmd);
    MetaDataBase::setPropertyChanged(m_widget, "populationText", true);
  }
}


TQStringList AssocTextEditor::associatedText() const
{
  TQStringList at;
  for(TQStringList::ConstIterator it = m_states.begin(); it != m_states.end(); ++it)
    at.append(m_atdict[(*it)]);
  return at;
}

TQString AssocTextEditor::populationText() const
{
  return m_populationText;
}

TQStringList AssocTextEditor::buildWidgetList()
{
  TQStringList widgetList;
  TQObject* thisObject = m_formWindow->mainContainer();
  TQObjectList *objectList = thisObject->queryList();
  objectList->prepend(thisObject);

  for (TQObjectListIt it(*objectList); it.current(); ++it)
  {
    // There is a warning message with the property() function if it does not exist.
    // Verify the property exists with the meta information first */
    bool pExists = false;
    TQMetaObject *metaObj = it.current()->metaObject();
    if(metaObj)
    {
      int id = metaObj->findProperty("KommanderWidget", true);
      const TQMetaProperty *metaProp = metaObj->property(id, true);
      if(metaProp && metaProp->isValid())
        pExists = true;
    }
    if(pExists)
    {
      TQVariant flag = (it.current())->property("KommanderWidget");
      if(flag.isValid() && !(TQString(it.current()->name()).startsWith("qt_")))
      {
        widgetList.append( widgetToString( (TQWidget*)it.current()) );
        m_widgetList.insert(it.current()->name(), (TQWidget*)it.current());
      }
    }
  }
  delete objectList;

  widgetList.sort();
  widgetComboBox->clear();
  widgetComboBox->insertStringList(widgetList);
  widgetsComboBox->clear();
  widgetsComboBox->insertStringList(widgetList);
  return widgetList;
}

void AssocTextEditor::stateChanged(int a_index)
{
  m_currentState = stateComboBox->text(a_index);
  if (a_index == stateComboBox->count() - 1)
    associatedTextEdit->setText(m_populationText);
  else
    associatedTextEdit->setText(m_atdict[m_currentState]);
  KTextEditor::ViewCursorInterface *viewCursorIf = dynamic_cast<KTextEditor::ViewCursorInterface*>(view);
  viewCursorIf->setCursorPositionReal(0, 0);
  highlightPopup->clear();
  TQString hlType = "Kommander (old parser)";
  if (useInternalParser())
    hlType = "Kommander (new parser)";  
  KTextEditor::HighlightingInterface *hlIf = dynamic_cast<KTextEditor::HighlightingInterface*>(doc);
  if (hlIf)
  {
    uint hlCount = hlIf->hlModeCount();
    for (uint i = 0; i < hlCount; i++)
    {
      if (hlIf->hlModeSectionName(i) == "Scripts")
        highlightPopup->insertItem(hlIf->hlModeName(i), i);
      if (hlIf->hlModeName(i).contains(hlType, false) > 0)
      {
        hlIf->setHlMode(i);
        highlightPopup->setItemChecked(i, true);
        oldHlMode = i;
      }
    }
  }

}

void AssocTextEditor::textEditChanged()
{
  if (m_currentState == "population")
    m_populationText = associatedTextEdit->text();
  m_atdict[m_currentState] = associatedTextEdit->text();
  int index = stateComboBox->currentItem();
  if (associatedTextEdit->text().isEmpty())
    stateComboBox->changeItem(TQPixmap(), stateComboBox->currentText(), index);
  else if (!stateComboBox->pixmap(index) || stateComboBox->pixmap(index)->isNull())
    stateComboBox->changeItem(scriptPixmap, stateComboBox->currentText(), index);
}

void AssocTextEditor::widgetChanged(int index)
{
  save();
  setWidget( widgetFromString( widgetsComboBox->text(index)) ) ;
}

void AssocTextEditor::selectWidget()
{
  ChooseWidget cDialog(this);
  cDialog.setWidget(m_formWindow->mainContainer());
  if (cDialog.exec()) {
    TQString newWidget = cDialog.selection();
    for (int i = 0; i<widgetsComboBox->count(); i++)
      if (widgetsComboBox->text(i) == newWidget) {
        widgetsComboBox->setCurrentItem(i);
        widgetChanged(i);
        break;
      }
  }
}



void AssocTextEditor::insertAssociatedText(const TQString& a_text)
{
  uint line, col;
  KTextEditor::ViewCursorInterface *viewCursorIf = dynamic_cast<KTextEditor::ViewCursorInterface*>(view);
  viewCursorIf->cursorPositionReal(&line, &col);
  associatedTextEdit->insertText(line, col, a_text);
}

void AssocTextEditor::insertFile()
{
  TQString fileName = KFileDialog::getOpenFileName();

  if(fileName.isEmpty())
    return;

  TQFile insertFile(fileName);
  if(!insertFile.open(IO_ReadOnly))
  {
    KMessageBox::error( this, i18n("<qt>Cannot open file<br><b>%1</b></qt").arg( fileName ) );
    return;
  }
  TQTextStream insertStream(&insertFile);
  TQString insertText = insertStream.read();
  insertAssociatedText(insertText);
  insertFile.close();
}

void AssocTextEditor::insertWidgetName(int index)
{
  TQString prefix;
  if (!useInternalParser())
    prefix = TQString(TQChar(ESCCHAR));
  insertAssociatedText(prefix + widgetToString(widgetFromString(widgetComboBox->text(index)), false));
}

void AssocTextEditor::insertFunction()
{
  FunctionsDialog pDialog(this, m_widgetList, useInternalParser(), 0);
  if (pDialog.exec())
    insertAssociatedText(pDialog.functionText());
}

TQString AssocTextEditor::widgetToString(TQWidget* widget, bool formatted)
{
   if (!widget)
     return TQString::null;
   else if (formatted)
     return TQString("%1 (%2)").arg(widget->name()).arg(widget->className());
   else
     return widget->name();
}

TQWidget* AssocTextEditor::widgetFromString(const TQString& name)
{
  TQString realname = name;
  int i = realname.find(' ');
  if (i != -1)
    realname.truncate(i);
  return m_widgetList[realname];
}

void AssocTextEditor::slotHighlightingChanged(int mode)
{
  highlightPopup->setItemChecked(oldHlMode, false);
  KTextEditor::HighlightingInterface *hlIf = dynamic_cast<KTextEditor::HighlightingInterface*>(doc);
  if (hlIf)
    hlIf->setHlMode(mode);
  highlightPopup->setItemChecked(mode, true);
  oldHlMode = mode;
}

bool AssocTextEditor::useInternalParser()
{
  TQString s = "";
  int line = -1;
  while (s.isEmpty() && line < (int)associatedTextEdit->numLines())
  {
    line++;
    s = associatedTextEdit->textLine(line);
  }
  s = s.stripWhiteSpace();
  if (s.startsWith("#!") && s != "#!kommander")
    return false; //code is written in external script, old parser is used
  if (KommanderWidget::useInternalParser || s == "#!kommander")
    return true;
  return false;
}

void AssocTextEditor::closeEvent ( TQCloseEvent * e )
{
  deleteLater();
  e->accept();
}

#include "assoctexteditorimpl.moc"