addconstraintteachermaxdaysperweekform.cpp

基于遗传算法的排课软件源码 根据需要安排合理的课程时间等

/***************************************************************************
                          addconstraintteachermaxdaysperweekform.cpp  -  description
                             -------------------
    begin                : Feb 10, 2005
    copyright            : (C) 2005 by Lalescu Liviu
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 "addconstraintteachermaxdaysperweekform.h"
#include "timeconstraint.h"

#include <qradiobutton.h>
#include <qlabel.h>
#include <qlineedit.h>

#define yesNo(x)	((x)==0?QObject::tr("no"):QObject::tr("yes"))

AddConstraintTeacherMaxDaysPerWeekForm::AddConstraintTeacherMaxDaysPerWeekForm()
{
	updateMaxDaysSpinBox();
	updateTeachersComboBox();
}

AddConstraintTeacherMaxDaysPerWeekForm::~AddConstraintTeacherMaxDaysPerWeekForm()
{
}

void AddConstraintTeacherMaxDaysPerWeekForm::updateTeachersComboBox(){
	teachersComboBox->clear();
	for(Teacher* tch=gt.rules.teachersList.first(); tch; tch=gt.rules.teachersList.next())
		teachersComboBox->insertItem(tch->name);

	constraintChanged();
}

void AddConstraintTeacherMaxDaysPerWeekForm::updateMaxDaysSpinBox(){
	maxDaysSpinBox->setMinValue(0);
	maxDaysSpinBox->setMaxValue(gt.rules.nDaysPerWeek);
	maxDaysSpinBox->setValue(gt.rules.nDaysPerWeek);
}

void AddConstraintTeacherMaxDaysPerWeekForm::constraintChanged()
{
	QString s;
	s+=QObject::tr("Current constraint:");
	s+="\n";

	double weight;
	QString tmp=weightLineEdit->text();
	sscanf(tmp, "%lf", &weight);
	s+=QObject::tr("Weight=%1").arg(weight);
	s+="\n";

	bool compulsory=false;
	if(compulsoryCheckBox->isChecked())
		compulsory=true;
	s+=QObject::tr("Compulsory=%1").arg(yesNo(compulsory));
	s+="\n";

	s+=QObject::tr("Teacher max days per week");
	s+="\n";
	s+=QObject::tr("Teacher=%1").arg(teachersComboBox->currentText());
	s+="\n";

	s+=QObject::tr("Max days per week=%1").arg(maxDaysSpinBox->value());
	s+="\n";

	currentConstraintTextEdit->setText(s);
}

void AddConstraintTeacherMaxDaysPerWeekForm::addCurrentConstraint()
{
	TimeConstraint *ctr=NULL;

	double weight;
	QString tmp=weightLineEdit->text();
	sscanf(tmp, "%lf", &weight);
	if(weight<0.0){
		QMessageBox::warning(this, QObject::tr("FET information"),
			QObject::tr("Invalid weight"));
		return;
	}

	bool compulsory=false;
	if(compulsoryCheckBox->isChecked())
		compulsory=true;

	int max_days=maxDaysSpinBox->value();

	QString teacher_name=teachersComboBox->currentText();
	int teacher_ID=gt.rules.searchTeacher(teacher_name);
	if(teacher_ID<0){
		QMessageBox::warning(this, QObject::tr("FET information"),
			QObject::tr("Invalid teacher"));
		return;
	}

	ctr=new ConstraintTeacherMaxDaysPerWeek(weight, compulsory, max_days, teacher_name);

	bool tmp2=gt.rules.addTimeConstraint(ctr);
	if(tmp2)
		QMessageBox::information(this, QObject::tr("FET information"),
			QObject::tr("Constraint added"));
	else{
		QMessageBox::warning(this, QObject::tr("FET information"),
			QObject::tr("Constraint NOT added - please report error"));
		delete ctr;
	}
}