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/***************************************************************************
* Copyright (C) 2005 by Niklas Knutsson *
* nq@altern.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. *
* *
* 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. *
***************************************************************************/
#include "qalculateeditunknownvariabledialog.h"
#include "qalculate_tde_utils.h"
#include "qalculateeditnamesdialog.h"
#include <string>
#include <tqgrid.h>
#include <klineedit.h>
#include <tqpushbutton.h>
#include <kcombobox.h>
#include <tqlabel.h>
#include <tdelocale.h>
#include <tqvbox.h>
#include <tqhbox.h>
#include <tqcheckbox.h>
#include <tdemessagebox.h>
#include <tqlayout.h>
#include <tdeapplication.h>
extern PrintOptions printops;
extern tree_struct variable_cats;
QalculateEditUnknownVariableDialog::QalculateEditUnknownVariableDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Variable"), Ok | Cancel | Help, Ok, true) {
names_edit_dialog = NULL;
edited_unknown = NULL;
setMainWidget(new TQWidget(this));
TQGridLayout *grid = new TQGridLayout(mainWidget(), 1, 1, 0, spacingHint());
grid->addWidget(new TQLabel(i18n("Name:"), mainWidget()), 0, 0);
nameEdit = new KLineEdit(mainWidget());
grid->addWidget(nameEdit, 0, 1);
TQHBoxLayout *hbox = new TQHBoxLayout(0, 0, spacingHint());
grid->addMultiCellLayout(hbox, 1, 1, 0, 1);
namesLabel = new TQLabel(mainWidget());
namesLabel->setAlignment(TQt::AlignRight);
namesLabel->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Preferred);
hbox->addWidget(namesLabel);
namesButton = new TQPushButton(i18n("Names Details"), mainWidget());
hbox->addWidget(namesButton);
assumptionsBox = new TQCheckBox(i18n("Custom assumptions:"), mainWidget());
grid->addMultiCellWidget(assumptionsBox, 2, 2, 0, 1);
typeLabel = new TQLabel(i18n("Type"), mainWidget());
grid->addWidget(typeLabel, 3, 0);
typeCombo = new KComboBox(mainWidget());
typeCombo->setMaximumWidth(250);
typeCombo->setEditable(false);
typeCombo->insertItem(i18n("Unknown"));
typeCombo->insertItem(i18n("Not Matrix"));
typeCombo->insertItem(i18n("Number"));
typeCombo->insertItem(i18n("Complex Number"));
typeCombo->insertItem(i18n("Real Number"));
typeCombo->insertItem(i18n("Rational Number"));
typeCombo->insertItem(i18n("Integer"));
grid->addWidget(typeCombo, 3, 1);
signLabel = new TQLabel(i18n("Sign"), mainWidget());
grid->addWidget(signLabel, 4, 0);
signCombo = new KComboBox(mainWidget());
signCombo->setMaximumWidth(250);
signCombo->setEditable(false);
signCombo->insertItem(i18n("Unknown"));
signCombo->insertItem(i18n("Positive"));
signCombo->insertItem(i18n("Non-Negative"));
signCombo->insertItem(i18n("Negative"));
signCombo->insertItem(i18n("Non-Positive"));
signCombo->insertItem(i18n("Non-Zero"));
grid->addWidget(signCombo, 4, 1);
grid->addWidget(new TQLabel(i18n("Category:"), mainWidget()), 5, 0);
categoryCombo = new KComboBox(mainWidget());
categoryCombo->setMaximumWidth(250);
categoryCombo->setEditable(true);
grid->addWidget(categoryCombo, 5, 1);
grid->addWidget(new TQLabel(i18n("Descriptive name:"), mainWidget()), 6, 0);
titleEdit = new KLineEdit(mainWidget());
grid->addWidget(titleEdit, 6, 1);
connect(assumptionsBox, SIGNAL(toggled(bool)), typeCombo, SLOT(setEnabled(bool)));
connect(assumptionsBox, SIGNAL(toggled(bool)), signCombo, SLOT(setEnabled(bool)));
connect(assumptionsBox, SIGNAL(toggled(bool)), typeLabel, SLOT(setEnabled(bool)));
connect(assumptionsBox, SIGNAL(toggled(bool)), signLabel, SLOT(setEnabled(bool)));
connect(typeCombo, SIGNAL(activated(int)), this, SLOT(typeComboActivated(int)));
connect(signCombo, SIGNAL(activated(int)), this, SLOT(signComboActivated(int)));
connect(namesButton, SIGNAL(clicked()), this, SLOT(editNames()));
connect(nameEdit, SIGNAL(textChanged(const TQString&)), this, SLOT(nameChanged(const TQString&)));
}
QalculateEditUnknownVariableDialog::~QalculateEditUnknownVariableDialog() {}
void QalculateEditUnknownVariableDialog::typeComboActivated(int i) {
if((AssumptionType) i <= ASSUMPTION_TYPE_COMPLEX && (AssumptionSign) signCombo->currentItem() != ASSUMPTION_SIGN_NONZERO) {
signCombo->blockSignals(true);
signCombo->setCurrentItem(ASSUMPTION_SIGN_UNKNOWN);
signCombo->blockSignals(false);
}
}
void QalculateEditUnknownVariableDialog::signComboActivated(int i) {
if((AssumptionSign) i != ASSUMPTION_SIGN_NONZERO && (AssumptionSign) i != ASSUMPTION_SIGN_UNKNOWN && (AssumptionType) typeCombo->currentItem() <= ASSUMPTION_TYPE_COMPLEX) {
typeCombo->blockSignals(true);
typeCombo->setCurrentItem(ASSUMPTION_TYPE_REAL);
typeCombo->blockSignals(false);
}
}
void QalculateEditUnknownVariableDialog::slotHelp() {
TDEApplication::kApplication()->invokeHelp("qalculate-variable-creation");
}
void QalculateEditUnknownVariableDialog::slotOk() {
std::string str = nameEdit->text().ascii();
remove_blank_ends(str);
if(str.empty() && (!names_edit_dialog || names_edit_dialog->isEmpty())) {
//no name -- open dialog again
nameEdit->setFocus();
KMessageBox::error(this, i18n("Empty name field"));
return;
}
//variable with the same name exists -- overwrite or open dialog again
if((!edited_unknown || !edited_unknown->hasName(str)) && (!names_edit_dialog || names_edit_dialog->isEmpty()) && CALCULATOR->variableNameTaken(str, edited_unknown) && KMessageBox::questionYesNo(this, i18n("An unit or variable with the same name already exists.\nDo you want to overwrite it?")) == KMessageBox::No) {
nameEdit->setFocus();
return;
}
UnknownVariable *v = edited_unknown;
if(!v) {
//no need to create a new variable when a variable with the same name exists
Variable *var = CALCULATOR->getActiveVariable(str);
if(var && var->isLocal() && !var->isKnown()) v = (UnknownVariable*) var;
}
bool add_var = false;
if(v) {
//update existing variable
v->setLocal(true);
} else {
//new unknown variable
v = new UnknownVariable("", "", "", true);
add_var = true;
}
if(!v->isBuiltin()) {
if(assumptionsBox->isChecked()) {
if(!v->assumptions()) v->setAssumptions(new Assumptions());
v->assumptions()->setType((AssumptionType) typeCombo->currentItem());
v->assumptions()->setSign((AssumptionSign) signCombo->currentItem());
} else {
v->setAssumptions(NULL);
}
}
v->setCategory(categoryCombo->lineEdit()->text().ascii());
v->setTitle(titleEdit->text().ascii());
if(!v->isBuiltin()) {
if(names_edit_dialog) {
names_edit_dialog->saveNames(v, str.c_str());
} else {
if(v->countNames() == 0) {
ExpressionName ename(str);
ename.reference = true;
v->setName(ename, 1);
} else {
v->setName(str, 1);
}
}
}
if(add_var) {
CALCULATOR->addVariable(v);
}
edited_unknown = v;
accept();
}
UnknownVariable *QalculateEditUnknownVariableDialog::editVariable(TQString category, UnknownVariable *v) {
nameEdit->setFocus();
if(names_edit_dialog) {
delete names_edit_dialog;
names_edit_dialog = NULL;
}
edited_unknown = v;
if(v) {
if(v->isLocal())
setCaption(i18n("Edit Unknown Variable"));
else
setCaption(i18n("Edit Unknown Variable (global)"));
} else {
setCaption(i18n("New Unknown Variable"));
}
actionButton(Ok)->setEnabled(true);
namesLabel->setText("");
//TQStringList cats;
TQString catstr;
categoryCombo->clear();
tree_struct *item, *item2;
variable_cats.it = variable_cats.items.begin();
if(variable_cats.it != variable_cats.items.end()) {
item = &*variable_cats.it;
++variable_cats.it;
item->it = item->items.begin();
} else {
item = NULL;
}
catstr = "";
while(item) {
if(!catstr.isEmpty()) catstr += "/";
catstr += item->item.c_str();
categoryCombo->insertItem(catstr);
while(item && item->it == item->items.end()) {
int str_i = catstr.findRev("/");
if(str_i < 0) {
catstr = "";
} else {
catstr.truncate(str_i);
}
item = item->parent;
}
if(item) {
item2 = &*item->it;
++item->it;
item = item2;
item->it = item->items.begin();
}
}
if(v) {
//fill in original parameters
set_name_label_and_entry(v, nameEdit, namesLabel);
nameEdit->setReadOnly(v->isBuiltin());
assumptionsBox->setEnabled(!v->isBuiltin());
categoryCombo->lineEdit()->setText(v->category().c_str());
titleEdit->setText(v->title(false).c_str());
if(v->assumptions()) {
assumptionsBox->setChecked(true);
typeCombo->setCurrentItem(v->assumptions()->type());
signCombo->setCurrentItem(v->assumptions()->sign());
} else {
assumptionsBox->setChecked(false);
typeCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->type());
signCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->sign());
}
} else {
nameEdit->setReadOnly(false);
assumptionsBox->setChecked(true);
//fill in default values
nameEdit->setText(CALCULATOR->getName().c_str());
namesLabel->setText("");
categoryCombo->lineEdit()->setText(category);
titleEdit->setText("");
typeCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->type());
signCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->sign());
}
signLabel->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
typeLabel->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
signCombo->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
typeCombo->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
if(exec() == TQDialog::Accepted) {
v = edited_unknown;
edited_unknown = NULL;
return v;
}
edited_unknown = NULL;
return NULL;
}
void QalculateEditUnknownVariableDialog::editNames() {
if(!names_edit_dialog) {
names_edit_dialog = new QalculateEditNamesDialog(TYPE_VARIABLE, this);
names_edit_dialog->setNames(edited_unknown, nameEdit->text(), false);
} else {
names_edit_dialog->setNames(edited_unknown, nameEdit->text(), true);
}
names_edit_dialog->exec();
names_edit_dialog->setNamesLE(nameEdit, namesLabel);
}
void QalculateEditUnknownVariableDialog::nameChanged(const TQString &name) {
if(name.isNull()) return;
if(!CALCULATOR->variableNameIsValid(name.ascii())) {
nameEdit->blockSignals(true);
nameEdit->setText(CALCULATOR->convertToValidVariableName(name.ascii()).c_str());
nameEdit->blockSignals(false);
}
}
#include "qalculateeditunknownvariabledialog.moc"
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