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427 lines
14 KiB
427 lines
14 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 "qalculateeditunitdialog.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 <tqgroupbox.h>
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#include <tqspinbox.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 EvaluationOptions evalops;
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extern tree_struct unit_cats;
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QalculateEditUnitDialog::QalculateEditUnitDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Unit"), Ok | Cancel | Help, Ok, true) {
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names_edit_dialog = NULL;
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edited_unit = NULL;
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TQVBox *box = makeVBoxMainWidget();
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grid1 = new TQGroupBox(1, TQt::Horizontal, i18n("Name"), box);
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grid1->setInsideMargin(spacingHint());
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grid1->setInsideSpacing(spacingHint());
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TQWidget *widget = new TQWidget(grid1);
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TQGridLayout *grid = new TQGridLayout(widget, 1, 1, 0, spacingHint());
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grid->addWidget(new TQLabel(i18n("Name:"), widget), 0, 0);
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nameEdit = new KLineEdit(widget);
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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(widget);
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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"), widget);
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hbox->addWidget(namesButton);
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grid->addWidget(new TQLabel(i18n("Descriptive name:"), widget), 2, 0);
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titleEdit = new KLineEdit(widget);
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grid->addWidget(titleEdit, 2, 1);
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hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 3, 3, 0, 1);
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hbox->addItem(new TQSpacerItem(0, 0, TQSizePolicy::Expanding, TQSizePolicy::Minimum));
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hideButton = new TQCheckBox(i18n("Hide unit"), widget);
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hbox->addWidget(hideButton);
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grid2 = new TQGroupBox(1, TQt::Horizontal, i18n("Type"), box);
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grid2->setInsideMargin(spacingHint());
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grid2->setInsideSpacing(spacingHint());
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widget = new TQWidget(grid2);
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grid = new TQGridLayout(widget, 1, 1, 0, spacingHint());
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grid->addWidget(new TQLabel(i18n("Class:"), widget), 0, 0);
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classCombo = new KComboBox(widget);
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grid->addWidget(classCombo, 0, 1);
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classCombo->insertItem(i18n("Base Unit"));
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classCombo->insertItem(i18n("Alias"));
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classCombo->insertItem(i18n("Composite Unit"));
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classCombo->setMaximumWidth(250);
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grid->addWidget(new TQLabel(i18n("Category:"), widget), 1, 0);
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categoryCombo = new KComboBox(widget);
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grid->addWidget(categoryCombo, 1, 1);
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categoryCombo->setMaximumWidth(250);
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categoryCombo->setEditable(true);
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grid->addWidget(new TQLabel(i18n("System:"), widget), 2, 0);
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systemCombo = new KComboBox(widget);
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grid->addWidget(systemCombo, 2, 1);
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systemCombo->insertItem(i18n("SI"));
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systemCombo->insertItem(i18n("CGS"));
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systemCombo->insertItem(i18n("Imperial"));
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systemCombo->insertItem(i18n("US Survey"));
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systemCombo->setMaximumWidth(250);
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systemCombo->setEditable(true);
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grid3 = new TQGroupBox(1, TQt::Horizontal, i18n("Relation"), box);
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grid3->setInsideMargin(spacingHint());
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grid3->setInsideSpacing(spacingHint());
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widget = new TQWidget(grid3);
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grid = new TQGridLayout(widget, 1, 1, 0, spacingHint());
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grid->addWidget(new TQLabel(i18n("Base unit:"), widget), 0, 0);
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baseEdit = new KLineEdit(widget);
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grid->addWidget(baseEdit, 0, 1);
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exponentLabel = new TQLabel(i18n("Exponent:"), widget);
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grid->addWidget(exponentLabel, 1, 0);
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exponentBox = new TQSpinBox(-9, 9, 1, widget);
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grid->addWidget(exponentBox, 1, 1);
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relationLabel = new TQLabel(i18n("Relation:"), widget);
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grid->addWidget(relationLabel, 2, 0);
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relationEdit = new KLineEdit(widget);
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grid->addWidget(relationEdit, 2, 1);
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hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 3, 3, 0, 1);
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hbox->addItem(new TQSpacerItem(0, 0, TQSizePolicy::Expanding, TQSizePolicy::Minimum));
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relationExactButton = new TQCheckBox(i18n("Relation is exact"), widget);
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hbox->addWidget(relationExactButton);
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inverseRelationLabel = new TQLabel(i18n("Inverse relation:"), widget);
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grid->addWidget(inverseRelationLabel, 4, 0);
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inverseRelationEdit = new KLineEdit(widget);
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grid->addWidget(inverseRelationEdit, 4, 1);
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connect(namesButton, TQ_SIGNAL(clicked()), this, TQ_SLOT(editNames()));
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connect(classCombo, TQ_SIGNAL(activated(int)), this, TQ_SLOT(classChanged(int)));
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connect(nameEdit, TQ_SIGNAL(textChanged(const TQString&)), this, TQ_SLOT(nameChanged(const TQString&)));
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}
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QalculateEditUnitDialog::~QalculateEditUnitDialog() {}
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void QalculateEditUnitDialog::slotHelp() {
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TDEApplication::kApplication()->invokeHelp("qalculate-unit-creation");
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}
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void QalculateEditUnitDialog::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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//unit with the same name exists -- overwrite or open dialog again
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if((!edited_unit || !edited_unit->hasName(str)) && (!names_edit_dialog || names_edit_dialog->isEmpty()) && CALCULATOR->unitNameTaken(str, edited_unit) && KMessageBox::questionYesNo(this, i18n("A variable or unit 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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Unit *u = edited_unit;
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bool add_unit = false;
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if(u) {
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//edited an existing unit -- update unit
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u->setLocal(true);
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int i1 = classCombo->currentItem();
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switch(u->subtype()) {
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case SUBTYPE_ALIAS_UNIT: {
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if(i1 != 1) {
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u->destroy();
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u = NULL;
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break;
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}
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if(!u->isBuiltin()) {
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AliasUnit *au = (AliasUnit*) u;
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Unit *bu = CALCULATOR->getUnit(baseEdit->text().ascii());
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if(!bu) bu = CALCULATOR->getCompositeUnit(baseEdit->text().ascii());
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if(!bu) {
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baseEdit->setFocus();
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KMessageBox::error(this, i18n("Base unit does not exist"));
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return;
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}
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au->setBaseUnit(bu);
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au->setExpression(CALCULATOR->unlocalizeExpression(relationEdit->text().ascii(), evalops.parse_options));
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au->setInverseExpression(CALCULATOR->unlocalizeExpression(inverseRelationEdit->text().ascii(), evalops.parse_options));
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au->setExponent(exponentBox->value());
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au->setApproximate(!relationExactButton->isChecked());
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}
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break;
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}
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case SUBTYPE_COMPOSITE_UNIT: {
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if(i1 != 2) {
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u->destroy();
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u = NULL;
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break;
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}
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if(!u->isBuiltin()) {
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((CompositeUnit*) u)->setBaseExpression(baseEdit->text().ascii());
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}
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break;
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}
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case SUBTYPE_BASE_UNIT: {
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if(i1 != 0) {
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u->destroy();
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u = NULL;
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break;
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}
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break;
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}
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}
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if(u) {
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u->setTitle(titleEdit->text().ascii());
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u->setCategory(categoryCombo->lineEdit()->text().ascii());
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}
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}
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if(!u) {
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//new unit
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switch(classCombo->currentItem()) {
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case 1: {
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Unit *bu = CALCULATOR->getUnit(baseEdit->text().ascii());
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if(!bu) bu = CALCULATOR->getCompositeUnit(baseEdit->text().ascii());
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if(!bu) {
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baseEdit->setFocus();
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KMessageBox::error(this, i18n("Base unit does not exist"));
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return;
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}
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u = new AliasUnit(categoryCombo->lineEdit()->text().ascii(), "", "", "", titleEdit->text().ascii(), bu, CALCULATOR->unlocalizeExpression(relationEdit->text().ascii(), evalops.parse_options), exponentBox->value(), CALCULATOR->unlocalizeExpression(inverseRelationEdit->text().ascii(), evalops.parse_options), true);
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((AliasUnit*) u)->setApproximate(!relationExactButton->isChecked());
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break;
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}
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case 2: {
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CompositeUnit *cu = new CompositeUnit(categoryCombo->lineEdit()->text().ascii(), "", titleEdit->text().ascii(), baseEdit->text().ascii(), true);
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u = cu;
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break;
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}
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default: {
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u = new Unit(categoryCombo->lineEdit()->text().ascii(), "", "", "", titleEdit->text().ascii(), true);
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break;
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}
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}
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add_unit = true;
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}
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if(u) {
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u->setHidden(hideButton->isChecked());
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if(!u->isBuiltin()) {
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u->setSystem(systemCombo->lineEdit()->text().ascii());
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if(names_edit_dialog) {
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names_edit_dialog->saveNames(u, str.c_str());
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} else {
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if(u->countNames() == 0) {
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ExpressionName ename(str);
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ename.reference = true;
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u->setName(ename, 1);
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} else {
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u->setName(str, 1);
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}
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}
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}
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if(add_unit) {
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CALCULATOR->addUnit(u);
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}
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}
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edited_unit = u;
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accept();
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}
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void QalculateEditUnitDialog::classChanged(int i) {
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exponentBox->setEnabled(i == 1);
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relationEdit->setEnabled(i == 1);
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relationExactButton->setEnabled(i == 1);
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inverseRelationEdit->setEnabled(i == 1);
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exponentLabel->setEnabled(i == 1);
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relationLabel->setEnabled(i == 1);
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inverseRelationLabel->setEnabled(i == 1);
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grid3->setEnabled(i != 0);
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}
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Unit *QalculateEditUnitDialog::editUnit(TQString category, Unit *u) {
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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_unit = u;
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if(u) {
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if(u->isLocal())
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setCaption(i18n("Edit Unit"));
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else
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setCaption(i18n("Edit Unit (global)"));
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} else {
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setCaption(i18n("New Unit"));
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}
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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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unit_cats.it = unit_cats.items.begin();
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if(unit_cats.it != unit_cats.items.end()) {
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item = &*unit_cats.it;
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++unit_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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categoryCombo->lineEdit()->setText(category);
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//clear entries
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nameEdit->clear();
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titleEdit->clear();
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baseEdit->clear();
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relationEdit->clear();
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inverseRelationEdit->clear();
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systemCombo->lineEdit()->clear();
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exponentBox->setValue(1);
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namesLabel->clear();
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actionButton(Ok)->setEnabled(true);
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nameEdit->setReadOnly(u && u->isBuiltin());
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relationEdit->setReadOnly(u && u->isBuiltin());
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inverseRelationEdit->setReadOnly(u && u->isBuiltin());
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systemCombo->setEnabled(!u || !u->isBuiltin());
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classCombo->setEnabled(!u || !u->isBuiltin());
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baseEdit->setReadOnly(u && u->isBuiltin());
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if(u) {
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//fill in original parameters
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if(u->subtype() == SUBTYPE_BASE_UNIT) {
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classCombo->setCurrentItem(0);
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classChanged(0);
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} else if(u->subtype() == SUBTYPE_ALIAS_UNIT) {
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classCombo->setCurrentItem(1);
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classChanged(1);
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} else if(u->subtype() == SUBTYPE_COMPOSITE_UNIT) {
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classCombo->setCurrentItem(2);
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classChanged(2);
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}
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set_name_label_and_entry(u, nameEdit, namesLabel);
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systemCombo->lineEdit()->setText(u->system().c_str());
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hideButton->setChecked(u->isHidden());
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categoryCombo->lineEdit()->setText(u->category().c_str());
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titleEdit->setText(u->title(false).c_str());
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switch(u->subtype()) {
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case SUBTYPE_ALIAS_UNIT: {
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AliasUnit *au = (AliasUnit*) u;
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baseEdit->setText(((CompositeUnit*) (au->firstBaseUnit()))->preferredDisplayName(printops.abbreviate_names, true, false, false, &can_display_unicode_string_function, (void*) baseEdit).name.c_str());
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exponentBox->setValue(au->firstBaseExponent());
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relationEdit->setText(CALCULATOR->localizeExpression(au->expression()).c_str());
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inverseRelationEdit->setText(CALCULATOR->localizeExpression(au->inverseExpression()).c_str());
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relationExactButton->setChecked(!au->isApproximate());
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relationEdit->setEnabled(true);
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inverseRelationEdit->setEnabled(true);
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relationExactButton->setEnabled(!u->isBuiltin());
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exponentBox->setEnabled(!u->isBuiltin());
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baseEdit->setEnabled(true);
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break;
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}
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case SUBTYPE_COMPOSITE_UNIT: {
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baseEdit->setText(((CompositeUnit*) u)->print(false, printops.abbreviate_names, true, &can_display_unicode_string_function, (void*) baseEdit).c_str());
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baseEdit->setEnabled(true);
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}
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}
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} else {
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//default values
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hideButton->setChecked(false);
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relationExactButton->setChecked(true);
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relationEdit->setText("1");
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classCombo->setCurrentItem(1);
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classChanged(1);
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}
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if(exec() == TQDialog::Accepted) {
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u = edited_unit;
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edited_unit = NULL;
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return u;
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}
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edited_unit = NULL;
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return NULL;
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}
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void QalculateEditUnitDialog::editNames() {
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if(!names_edit_dialog) {
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names_edit_dialog = new QalculateEditNamesDialog(TYPE_UNIT, this);
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names_edit_dialog->setNames(edited_unit, nameEdit->text(), false);
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} else {
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names_edit_dialog->setNames(edited_unit, 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 QalculateEditUnitDialog::nameChanged(const TQString &name) {
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if(name.isNull()) return;
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if(!CALCULATOR->unitNameIsValid(name.ascii())) {
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nameEdit->blockSignals(true);
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nameEdit->setText(CALCULATOR->convertToValidUnitName(name.ascii()).c_str());
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nameEdit->blockSignals(false);
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}
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}
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#include "qalculateeditunitdialog.moc"
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