// *************************************************************************
//
// Copyleft 2004-2007 Bruno PAGES  .
//
// This file is part of the BOUML Uml Toolkit.
//
// 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.
//
// 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; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// e-mail : bouml@free.fr
// home   : http://bouml.free.fr
//
// *************************************************************************

#ifdef WIN32
#pragma warning (disable: 4150)
#endif

#include <qsplitter.h> 
#include <qgrid.h> 
#include <qvbox.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qcombobox.h> 

#include "ParameterSetDialog.h"
#include "UmlDesktop.h"
#include "BrowserParameterSet.h"
#include "BrowserActivityAction.h"
#include "ParameterSetData.h"
#include "BrowserPin.h"
#include "UmlWindow.h"
#include "DialogUtil.h"
#include "KeyValueTable.h"
#include "ListBoxBrowserNode.h"
#include "strutil.h"
#include "UmlPixmap.h"
#include "BodyDialog.h"

QSize ParameterSetDialog::previous_size;

ParameterSetDialog::ParameterSetDialog(ParameterSetData * nd)
    : QTabDialog(0, 0, FALSE, WDestructiveClose), data(nd) {
  nd->browser_node->edit_start();
  
  if (nd->browser_node->is_writable())
    setCancelButton();
  else {
    setOkButton(QString::null);
    setCancelButton("Close");
  }

  setCaption("ParameterSet dialog");
  
  init_uml_tab();
  init_pins_tab();
  
  // USER : list key - value
  
  QGrid * grid = new QGrid(2, this);

  grid->setMargin(5);
  grid->setSpacing(5);
  
  kvtable = new KeyValuesTable((BrowserParameterSet *) data->get_browser_node(),
			       grid, !hasOkButton());
  addTab(grid, "Properties");
  
  //
    
  connect(this, SIGNAL(currentChanged(QWidget *)),
	  this, SLOT(change_tabs(QWidget *)));
}

ParameterSetDialog::~ParameterSetDialog() {
  data->browser_node->edit_end();
  previous_size = size();
  
  while (!edits.isEmpty())
    edits.take(0)->close();
}

void ParameterSetDialog::change_tabs(QWidget * w) {
  if (hasOkButton() && (w == umltab))
    edname->setFocus();
}

void ParameterSetDialog::polish() {
  QTabDialog::polish();
  UmlDesktop::limitsize_center(this, previous_size, 0.8, 0.8);
}
    
void ParameterSetDialog::init_uml_tab() {
  bool visit = !hasOkButton();  
  
  BrowserParameterSet * bn = 
    (BrowserParameterSet *) data->get_browser_node();
  QVBox * vbox;
  QGrid * grid = new QGrid(2, this);
  
  umltab = grid;
  grid->setMargin(5);
  grid->setSpacing(5);

  new QLabel("name : ", grid);
  edname = new LineEdit(bn->get_name(), grid);
  edname->setReadOnly(visit);
    
  new QLabel("stereotype : ", grid);
  edstereotype = new QComboBox(TRUE, grid);
  edstereotype->insertItem(toUnicode(data->get_stereotype()));
  if (! visit) {
    edstereotype->insertStringList(BrowserParameterSet::default_stereotypes());
    edstereotype->setAutoCompletion(TRUE);
  }
  edstereotype->setCurrentItem(0);
  QSizePolicy sp = edstereotype->sizePolicy();
  sp.setHorData(QSizePolicy::Expanding);
  edstereotype->setSizePolicy(sp);
    
  vbox = new QVBox(grid);
  new QLabel("description :", vbox);
  if (! visit) {
    connect(new SmallPushButton("Editor", vbox), SIGNAL(clicked()),
	    this, SLOT(edit_description()));
  }
  comment = new MultiLineEdit(grid);
  comment->setReadOnly(visit);
  comment->setText(bn->get_comment());
  QFont font = comment->font();
  if (! hasCodec())
    font.setFamily("Courier");
  font.setFixedPitch(TRUE);
  comment->setFont(font);
  
  addTab(grid, "Uml");
}

void ParameterSetDialog::init_pins_tab() {
  bool visit = !hasOkButton();  
  QHBox * hbox;
  QPushButton * button;
  QVBox * vbox = new QVBox(this);
  QVBox * page = vbox;
  const QValueList<BrowserPin *> & inpins = data->pins;
  QValueList<BrowserPin *>::ConstIterator it;
  
  if (!visit) {
    hbox = new QHBox(vbox);
    vbox = new QVBox(hbox);
    vbox->setMargin(5);
    (new QLabel("Parameters out of Parameter Set", vbox))->setAlignment(AlignCenter);
    lb_available = new QListBox(vbox);
    lb_available->setSelectionMode(QListBox::Multi);
    
    BrowserParameterSet * bn = 
      (BrowserParameterSet *) data->get_browser_node();
    QValueList<BrowserPin *> allpins =
      ((BrowserActivityAction *) bn->parent())->get_pins();
    
    for (it = allpins.begin(); it != allpins.end(); it++)
      if (inpins.find(*it) == inpins.end())
	lb_available->insertItem(new ListBoxBrowserNode(*it, (*it)->full_name(TRUE)));
    
    lb_available->sort();
    
    vbox = new QVBox(hbox);
    vbox->setMargin(5);
    (new QLabel("", vbox))->setScaledContents(TRUE);
    button = new QPushButton(vbox);
    button->setPixmap(*rightPixmap);
    connect(button, SIGNAL(clicked()), this, SLOT(associate_cls()));
    (new QLabel("", vbox))->setScaledContents(TRUE);
    button = new QPushButton(vbox);
    button->setPixmap(*leftPixmap);
    connect(button, SIGNAL(clicked()), this, SLOT(unassociate_cls()));
    (new QLabel("", vbox))->setScaledContents(TRUE);
    vbox = new QVBox(hbox);
  }
  
  vbox->setMargin(5);
  (new QLabel("Parameters in Parameter Set", vbox))->setAlignment(AlignCenter);
  lb_member = new QListBox(vbox);
  lb_member->setSelectionMode((visit) ? QListBox::NoSelection
					     : QListBox::Multi);
  for (it = inpins.begin(); it != inpins.end(); ++it)
    lb_member->insertItem(new ListBoxBrowserNode(*it, (*it)->full_name(TRUE)));
  
  addTab(page, "Parameters");
}

void ParameterSetDialog::edit_description() {
  edit(comment->text(), edname->text().stripWhiteSpace() + "_description",
       data, TxtEdit, this, (post_edit) post_edit_description, edits);
}

void ParameterSetDialog::post_edit_description(ParameterSetDialog * d, QString s) {
  d->comment->setText(s);
}

void ParameterSetDialog::associate_cls() {
  unsigned int i = 0;
  
  while (i < lb_available->count()) {
    QListBoxItem * item = lb_available->item(i);
    
    if (item->selected()) {
      lb_available->takeItem(item);
      lb_member->insertItem(item);
    }
    else
      i += 1;
  }
  
  lb_member->sort();
}

void ParameterSetDialog::unassociate_cls() {
  unsigned int i = 0;
  
  while (i < lb_member->count()) {
    QListBoxItem * item = lb_member->item(i);
    
    if (item->selected()) {
      lb_member->takeItem(item);
      lb_available->insertItem(item);
    }
    else
      i += 1;
  }
  
  lb_available->sort();
}

void ParameterSetDialog::accept() {
  if (!check_edits(edits))
    return;
    
  QString s = edname->text().stripWhiteSpace();
  BrowserParameterSet * bn = 
    (BrowserParameterSet *) data->get_browser_node();
  
  if ((s != bn->get_name()) &&
      ((BrowserNode *) bn->parent())->wrong_child_name(s, bn->get_type(),
						       bn->allow_spaces(),
						       bn->allow_empty()))
    msg_critical("Error", edname->text() + "\n\nillegal name or already used");
  else {  
    bn->set_name(s);
    bn->set_comment(comment->text());
    UmlWindow::update_comment_if_needed(bn);
        
    QString stereotype = 
      fromUnicode(edstereotype->currentText().stripWhiteSpace());
    
    data->set_stereotype(stereotype);
    
    QValueList<BrowserPin *> l;
    unsigned n = lb_member->count();

    for (unsigned i = 0; i != n; i += 1)
      l.append((BrowserPin *)
	       (((ListBoxBrowserNode *) lb_member->item(i))
		->browser_node));
    
    data->set_pins(l);
    
    kvtable->update(bn);
  
    bn->modified();
    bn->package_modified();
    data->modified();
    
    QTabDialog::accept();
  }
}