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310 lines
11 KiB
310 lines
11 KiB
/***************************************************************************
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* Copyright (C) 2005 by Niklas Knutsson *
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* nq@altern.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "qalculateeditunknownvariabledialog.h"
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#include "qalculate_tde_utils.h"
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#include "qalculateeditnamesdialog.h"
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#include <string>
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#include <tqgrid.h>
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#include <klineedit.h>
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#include <tqpushbutton.h>
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#include <kcombobox.h>
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#include <tqlabel.h>
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#include <tdelocale.h>
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#include <tqvbox.h>
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#include <tqhbox.h>
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#include <tqcheckbox.h>
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#include <tdemessagebox.h>
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#include <tqlayout.h>
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#include <tdeapplication.h>
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extern PrintOptions printops;
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extern tree_struct variable_cats;
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QalculateEditUnknownVariableDialog::QalculateEditUnknownVariableDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Variable"), Ok | Cancel | Help, Ok, true) {
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names_edit_dialog = NULL;
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edited_unknown = NULL;
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setMainWidget(new TQWidget(this));
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TQGridLayout *grid = new TQGridLayout(mainWidget(), 1, 1, 0, spacingHint());
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grid->addWidget(new TQLabel(i18n("Name:"), mainWidget()), 0, 0);
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nameEdit = new KLineEdit(mainWidget());
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grid->addWidget(nameEdit, 0, 1);
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TQHBoxLayout *hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 1, 1, 0, 1);
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namesLabel = new TQLabel(mainWidget());
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namesLabel->setAlignment(TQt::AlignRight);
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namesLabel->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Preferred);
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hbox->addWidget(namesLabel);
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namesButton = new TQPushButton(i18n("Names Details"), mainWidget());
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hbox->addWidget(namesButton);
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assumptionsBox = new TQCheckBox(i18n("Custom assumptions:"), mainWidget());
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grid->addMultiCellWidget(assumptionsBox, 2, 2, 0, 1);
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typeLabel = new TQLabel(i18n("Type"), mainWidget());
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grid->addWidget(typeLabel, 3, 0);
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typeCombo = new KComboBox(mainWidget());
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typeCombo->setMaximumWidth(250);
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typeCombo->setEditable(false);
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typeCombo->insertItem(i18n("Unknown"));
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typeCombo->insertItem(i18n("Not Matrix"));
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typeCombo->insertItem(i18n("Number"));
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typeCombo->insertItem(i18n("Complex Number"));
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typeCombo->insertItem(i18n("Real Number"));
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typeCombo->insertItem(i18n("Rational Number"));
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typeCombo->insertItem(i18n("Integer"));
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grid->addWidget(typeCombo, 3, 1);
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signLabel = new TQLabel(i18n("Sign"), mainWidget());
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grid->addWidget(signLabel, 4, 0);
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signCombo = new KComboBox(mainWidget());
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signCombo->setMaximumWidth(250);
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signCombo->setEditable(false);
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signCombo->insertItem(i18n("Unknown"));
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signCombo->insertItem(i18n("Positive"));
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signCombo->insertItem(i18n("Non-Negative"));
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signCombo->insertItem(i18n("Negative"));
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signCombo->insertItem(i18n("Non-Positive"));
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signCombo->insertItem(i18n("Non-Zero"));
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grid->addWidget(signCombo, 4, 1);
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grid->addWidget(new TQLabel(i18n("Category:"), mainWidget()), 5, 0);
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categoryCombo = new KComboBox(mainWidget());
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categoryCombo->setMaximumWidth(250);
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categoryCombo->setEditable(true);
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grid->addWidget(categoryCombo, 5, 1);
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grid->addWidget(new TQLabel(i18n("Descriptive name:"), mainWidget()), 6, 0);
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titleEdit = new KLineEdit(mainWidget());
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grid->addWidget(titleEdit, 6, 1);
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connect(assumptionsBox, SIGNAL(toggled(bool)), typeCombo, SLOT(setEnabled(bool)));
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connect(assumptionsBox, SIGNAL(toggled(bool)), signCombo, SLOT(setEnabled(bool)));
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connect(assumptionsBox, SIGNAL(toggled(bool)), typeLabel, SLOT(setEnabled(bool)));
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connect(assumptionsBox, SIGNAL(toggled(bool)), signLabel, SLOT(setEnabled(bool)));
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connect(typeCombo, SIGNAL(activated(int)), this, SLOT(typeComboActivated(int)));
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connect(signCombo, SIGNAL(activated(int)), this, SLOT(signComboActivated(int)));
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connect(namesButton, SIGNAL(clicked()), this, SLOT(editNames()));
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connect(nameEdit, SIGNAL(textChanged(const TQString&)), this, SLOT(nameChanged(const TQString&)));
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}
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QalculateEditUnknownVariableDialog::~QalculateEditUnknownVariableDialog() {}
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void QalculateEditUnknownVariableDialog::typeComboActivated(int i) {
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if((AssumptionType) i <= ASSUMPTION_TYPE_COMPLEX && (AssumptionSign) signCombo->currentItem() != ASSUMPTION_SIGN_NONZERO) {
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signCombo->blockSignals(true);
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signCombo->setCurrentItem(ASSUMPTION_SIGN_UNKNOWN);
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signCombo->blockSignals(false);
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}
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}
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void QalculateEditUnknownVariableDialog::signComboActivated(int i) {
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if((AssumptionSign) i != ASSUMPTION_SIGN_NONZERO && (AssumptionSign) i != ASSUMPTION_SIGN_UNKNOWN && (AssumptionType) typeCombo->currentItem() <= ASSUMPTION_TYPE_COMPLEX) {
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typeCombo->blockSignals(true);
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typeCombo->setCurrentItem(ASSUMPTION_TYPE_REAL);
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typeCombo->blockSignals(false);
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}
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}
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void QalculateEditUnknownVariableDialog::slotHelp() {
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TDEApplication::kApplication()->invokeHelp("qalculate-variable-creation");
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}
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void QalculateEditUnknownVariableDialog::slotOk() {
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std::string str = nameEdit->text().ascii();
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remove_blank_ends(str);
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if(str.empty() && (!names_edit_dialog || names_edit_dialog->isEmpty())) {
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//no name -- open dialog again
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nameEdit->setFocus();
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KMessageBox::error(this, i18n("Empty name field"));
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return;
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}
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//variable with the same name exists -- overwrite or open dialog again
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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) {
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nameEdit->setFocus();
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return;
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}
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UnknownVariable *v = edited_unknown;
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if(!v) {
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//no need to create a new variable when a variable with the same name exists
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Variable *var = CALCULATOR->getActiveVariable(str);
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if(var && var->isLocal() && !var->isKnown()) v = (UnknownVariable*) var;
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}
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bool add_var = false;
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if(v) {
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//update existing variable
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v->setLocal(true);
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} else {
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//new unknown variable
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v = new UnknownVariable("", "", "", true);
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add_var = true;
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}
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if(!v->isBuiltin()) {
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if(assumptionsBox->isChecked()) {
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if(!v->assumptions()) v->setAssumptions(new Assumptions());
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v->assumptions()->setType((AssumptionType) typeCombo->currentItem());
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v->assumptions()->setSign((AssumptionSign) signCombo->currentItem());
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} else {
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v->setAssumptions(NULL);
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}
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}
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v->setCategory(categoryCombo->lineEdit()->text().ascii());
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v->setTitle(titleEdit->text().ascii());
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if(!v->isBuiltin()) {
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if(names_edit_dialog) {
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names_edit_dialog->saveNames(v, str.c_str());
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} else {
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if(v->countNames() == 0) {
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ExpressionName ename(str);
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ename.reference = true;
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v->setName(ename, 1);
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} else {
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v->setName(str, 1);
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}
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}
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}
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if(add_var) {
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CALCULATOR->addVariable(v);
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}
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edited_unknown = v;
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accept();
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}
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UnknownVariable *QalculateEditUnknownVariableDialog::editVariable(TQString category, UnknownVariable *v) {
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nameEdit->setFocus();
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if(names_edit_dialog) {
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delete names_edit_dialog;
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names_edit_dialog = NULL;
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}
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edited_unknown = v;
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if(v) {
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if(v->isLocal())
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setCaption(i18n("Edit Unknown Variable"));
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else
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setCaption(i18n("Edit Unknown Variable (global)"));
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} else {
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setCaption(i18n("New Unknown Variable"));
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}
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actionButton(Ok)->setEnabled(true);
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namesLabel->setText("");
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//TQStringList cats;
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TQString catstr;
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categoryCombo->clear();
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tree_struct *item, *item2;
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variable_cats.it = variable_cats.items.begin();
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if(variable_cats.it != variable_cats.items.end()) {
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item = &*variable_cats.it;
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++variable_cats.it;
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item->it = item->items.begin();
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} else {
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item = NULL;
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}
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catstr = "";
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while(item) {
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if(!catstr.isEmpty()) catstr += "/";
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catstr += item->item.c_str();
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categoryCombo->insertItem(catstr);
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while(item && item->it == item->items.end()) {
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int str_i = catstr.findRev("/");
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if(str_i < 0) {
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catstr = "";
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} else {
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catstr.truncate(str_i);
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}
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item = item->parent;
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}
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if(item) {
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item2 = &*item->it;
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++item->it;
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item = item2;
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item->it = item->items.begin();
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}
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}
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if(v) {
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//fill in original parameters
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set_name_label_and_entry(v, nameEdit, namesLabel);
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nameEdit->setReadOnly(v->isBuiltin());
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assumptionsBox->setEnabled(!v->isBuiltin());
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categoryCombo->lineEdit()->setText(v->category().c_str());
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titleEdit->setText(v->title(false).c_str());
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if(v->assumptions()) {
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assumptionsBox->setChecked(true);
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typeCombo->setCurrentItem(v->assumptions()->type());
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signCombo->setCurrentItem(v->assumptions()->sign());
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} else {
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assumptionsBox->setChecked(false);
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typeCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->type());
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signCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->sign());
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}
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} else {
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nameEdit->setReadOnly(false);
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assumptionsBox->setChecked(true);
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//fill in default values
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nameEdit->setText(CALCULATOR->getName().c_str());
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namesLabel->setText("");
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categoryCombo->lineEdit()->setText(category);
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titleEdit->setText("");
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typeCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->type());
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signCombo->setCurrentItem(CALCULATOR->defaultAssumptions()->sign());
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}
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signLabel->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
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typeLabel->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
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signCombo->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
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typeCombo->setEnabled(!v || (!v->isBuiltin() && v->assumptions()));
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if(exec() == TQDialog::Accepted) {
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v = edited_unknown;
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edited_unknown = NULL;
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return v;
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}
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edited_unknown = NULL;
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return NULL;
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}
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void QalculateEditUnknownVariableDialog::editNames() {
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if(!names_edit_dialog) {
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names_edit_dialog = new QalculateEditNamesDialog(TYPE_VARIABLE, this);
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names_edit_dialog->setNames(edited_unknown, nameEdit->text(), false);
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} else {
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names_edit_dialog->setNames(edited_unknown, nameEdit->text(), true);
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}
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names_edit_dialog->exec();
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names_edit_dialog->setNamesLE(nameEdit, namesLabel);
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}
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void QalculateEditUnknownVariableDialog::nameChanged(const TQString &name) {
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if(name.isNull()) return;
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if(!CALCULATOR->variableNameIsValid(name.ascii())) {
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nameEdit->blockSignals(true);
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nameEdit->setText(CALCULATOR->convertToValidVariableName(name.ascii()).c_str());
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nameEdit->blockSignals(false);
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}
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}
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#include "qalculateeditunknownvariabledialog.moc"
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