/*************************************************************************** * 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 "qalculateeditunitdialog.h" #include "qalculate_tde_utils.h" #include "qalculateeditnamesdialog.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern PrintOptions printops; extern EvaluationOptions evalops; extern tree_struct unit_cats; QalculateEditUnitDialog::QalculateEditUnitDialog(QWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Unit"), Ok | Cancel | Help, Ok, true) { names_edit_dialog = NULL; edited_unit = NULL; QVBox *box = makeVBoxMainWidget(); grid1 = new QGroupBox(1, Qt::Horizontal, i18n("Name"), box); grid1->setInsideMargin(spacingHint()); grid1->setInsideSpacing(spacingHint()); QWidget *widget = new QWidget(grid1); QGridLayout *grid = new QGridLayout(widget, 1, 1, 0, spacingHint()); grid->addWidget(new QLabel(i18n("Name:"), widget), 0, 0); nameEdit = new KLineEdit(widget); grid->addWidget(nameEdit, 0, 1); QHBoxLayout *hbox = new QHBoxLayout(0, 0, spacingHint()); grid->addMultiCellLayout(hbox, 1, 1, 0, 1); namesLabel = new QLabel(widget); namesLabel->setAlignment(Qt::AlignRight); namesLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); hbox->addWidget(namesLabel); namesButton = new QPushButton(i18n("Names Details"), widget); hbox->addWidget(namesButton); grid->addWidget(new QLabel(i18n("Descriptive name:"), widget), 2, 0); titleEdit = new KLineEdit(widget); grid->addWidget(titleEdit, 2, 1); hbox = new QHBoxLayout(0, 0, spacingHint()); grid->addMultiCellLayout(hbox, 3, 3, 0, 1); hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum)); hideButton = new QCheckBox(i18n("Hide unit"), widget); hbox->addWidget(hideButton); grid2 = new QGroupBox(1, Qt::Horizontal, i18n("Type"), box); grid2->setInsideMargin(spacingHint()); grid2->setInsideSpacing(spacingHint()); widget = new QWidget(grid2); grid = new QGridLayout(widget, 1, 1, 0, spacingHint()); grid->addWidget(new QLabel(i18n("Class:"), widget), 0, 0); classCombo = new KComboBox(widget); grid->addWidget(classCombo, 0, 1); classCombo->insertItem(i18n("Base Unit")); classCombo->insertItem(i18n("Alias")); classCombo->insertItem(i18n("Composite Unit")); classCombo->setMaximumWidth(250); grid->addWidget(new QLabel(i18n("Category:"), widget), 1, 0); categoryCombo = new KComboBox(widget); grid->addWidget(categoryCombo, 1, 1); categoryCombo->setMaximumWidth(250); categoryCombo->setEditable(true); grid->addWidget(new QLabel(i18n("System:"), widget), 2, 0); systemCombo = new KComboBox(widget); grid->addWidget(systemCombo, 2, 1); systemCombo->insertItem(i18n("SI")); systemCombo->insertItem(i18n("CGS")); systemCombo->insertItem(i18n("Imperial")); systemCombo->insertItem(i18n("US Survey")); systemCombo->setMaximumWidth(250); systemCombo->setEditable(true); grid3 = new QGroupBox(1, Qt::Horizontal, i18n("Relation"), box); grid3->setInsideMargin(spacingHint()); grid3->setInsideSpacing(spacingHint()); widget = new QWidget(grid3); grid = new QGridLayout(widget, 1, 1, 0, spacingHint()); grid->addWidget(new QLabel(i18n("Base unit:"), widget), 0, 0); baseEdit = new KLineEdit(widget); grid->addWidget(baseEdit, 0, 1); exponentLabel = new QLabel(i18n("Exponent:"), widget); grid->addWidget(exponentLabel, 1, 0); exponentBox = new QSpinBox(-9, 9, 1, widget); grid->addWidget(exponentBox, 1, 1); relationLabel = new QLabel(i18n("Relation:"), widget); grid->addWidget(relationLabel, 2, 0); relationEdit = new KLineEdit(widget); grid->addWidget(relationEdit, 2, 1); hbox = new QHBoxLayout(0, 0, spacingHint()); grid->addMultiCellLayout(hbox, 3, 3, 0, 1); hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum)); relationExactButton = new QCheckBox(i18n("Relation is exact"), widget); hbox->addWidget(relationExactButton); inverseRelationLabel = new QLabel(i18n("Inverse relation:"), widget); grid->addWidget(inverseRelationLabel, 4, 0); inverseRelationEdit = new KLineEdit(widget); grid->addWidget(inverseRelationEdit, 4, 1); connect(namesButton, SIGNAL(clicked()), this, SLOT(editNames())); connect(classCombo, SIGNAL(activated(int)), this, SLOT(classChanged(int))); connect(nameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(nameChanged(const QString&))); } QalculateEditUnitDialog::~QalculateEditUnitDialog() {} void QalculateEditUnitDialog::slotHelp() { KApplication::kApplication()->invokeHelp("qalculate-unit-creation"); } void QalculateEditUnitDialog::slotOk() { 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; } //unit with the same name exists -- overwrite or open dialog again 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) { nameEdit->setFocus(); return; } Unit *u = edited_unit; bool add_unit = false; if(u) { //edited an existing unit -- update unit u->setLocal(true); int i1 = classCombo->currentItem(); switch(u->subtype()) { case SUBTYPE_ALIAS_UNIT: { if(i1 != 1) { u->destroy(); u = NULL; break; } if(!u->isBuiltin()) { AliasUnit *au = (AliasUnit*) u; Unit *bu = CALCULATOR->getUnit(baseEdit->text().ascii()); if(!bu) bu = CALCULATOR->getCompositeUnit(baseEdit->text().ascii()); if(!bu) { baseEdit->setFocus(); KMessageBox::error(this, i18n("Base unit does not exist")); return; } au->setBaseUnit(bu); au->setExpression(CALCULATOR->unlocalizeExpression(relationEdit->text().ascii(), evalops.parse_options)); au->setInverseExpression(CALCULATOR->unlocalizeExpression(inverseRelationEdit->text().ascii(), evalops.parse_options)); au->setExponent(exponentBox->value()); au->setApproximate(!relationExactButton->isChecked()); } break; } case SUBTYPE_COMPOSITE_UNIT: { if(i1 != 2) { u->destroy(); u = NULL; break; } if(!u->isBuiltin()) { ((CompositeUnit*) u)->setBaseExpression(baseEdit->text().ascii()); } break; } case SUBTYPE_BASE_UNIT: { if(i1 != 0) { u->destroy(); u = NULL; break; } break; } } if(u) { u->setTitle(titleEdit->text().ascii()); u->setCategory(categoryCombo->lineEdit()->text().ascii()); } } if(!u) { //new unit switch(classCombo->currentItem()) { case 1: { Unit *bu = CALCULATOR->getUnit(baseEdit->text().ascii()); if(!bu) bu = CALCULATOR->getCompositeUnit(baseEdit->text().ascii()); if(!bu) { baseEdit->setFocus(); KMessageBox::error(this, i18n("Base unit does not exist")); return; } 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); ((AliasUnit*) u)->setApproximate(!relationExactButton->isChecked()); break; } case 2: { CompositeUnit *cu = new CompositeUnit(categoryCombo->lineEdit()->text().ascii(), "", titleEdit->text().ascii(), baseEdit->text().ascii(), true); u = cu; break; } default: { u = new Unit(categoryCombo->lineEdit()->text().ascii(), "", "", "", titleEdit->text().ascii(), true); break; } } add_unit = true; } if(u) { u->setHidden(hideButton->isChecked()); if(!u->isBuiltin()) { u->setSystem(systemCombo->lineEdit()->text().ascii()); if(names_edit_dialog) { names_edit_dialog->saveNames(u, str.c_str()); } else { if(u->countNames() == 0) { ExpressionName ename(str); ename.reference = true; u->setName(ename, 1); } else { u->setName(str, 1); } } } if(add_unit) { CALCULATOR->addUnit(u); } } edited_unit = u; accept(); } void QalculateEditUnitDialog::classChanged(int i) { exponentBox->setEnabled(i == 1); relationEdit->setEnabled(i == 1); relationExactButton->setEnabled(i == 1); inverseRelationEdit->setEnabled(i == 1); exponentLabel->setEnabled(i == 1); relationLabel->setEnabled(i == 1); inverseRelationLabel->setEnabled(i == 1); grid3->setEnabled(i != 0); } Unit *QalculateEditUnitDialog::editUnit(QString category, Unit *u) { nameEdit->setFocus(); if(names_edit_dialog) { delete names_edit_dialog; names_edit_dialog = NULL; } edited_unit = u; if(u) { if(u->isLocal()) setCaption(i18n("Edit Unit")); else setCaption(i18n("Edit Unit (global)")); } else { setCaption(i18n("New Unit")); } //QStringList cats; QString catstr; categoryCombo->clear(); tree_struct *item, *item2; unit_cats.it = unit_cats.items.begin(); if(unit_cats.it != unit_cats.items.end()) { item = &*unit_cats.it; ++unit_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(); } } categoryCombo->lineEdit()->setText(category); //clear entries nameEdit->clear(); titleEdit->clear(); baseEdit->clear(); relationEdit->clear(); inverseRelationEdit->clear(); systemCombo->lineEdit()->clear(); exponentBox->setValue(1); namesLabel->clear(); actionButton(Ok)->setEnabled(true); nameEdit->setReadOnly(u && u->isBuiltin()); relationEdit->setReadOnly(u && u->isBuiltin()); inverseRelationEdit->setReadOnly(u && u->isBuiltin()); systemCombo->setEnabled(!u || !u->isBuiltin()); classCombo->setEnabled(!u || !u->isBuiltin()); baseEdit->setReadOnly(u && u->isBuiltin()); if(u) { //fill in original parameters if(u->subtype() == SUBTYPE_BASE_UNIT) { classCombo->setCurrentItem(0); classChanged(0); } else if(u->subtype() == SUBTYPE_ALIAS_UNIT) { classCombo->setCurrentItem(1); classChanged(1); } else if(u->subtype() == SUBTYPE_COMPOSITE_UNIT) { classCombo->setCurrentItem(2); classChanged(2); } set_name_label_and_entry(u, nameEdit, namesLabel); systemCombo->lineEdit()->setText(u->system().c_str()); hideButton->setChecked(u->isHidden()); categoryCombo->lineEdit()->setText(u->category().c_str()); titleEdit->setText(u->title(false).c_str()); switch(u->subtype()) { case SUBTYPE_ALIAS_UNIT: { AliasUnit *au = (AliasUnit*) u; baseEdit->setText(((CompositeUnit*) (au->firstBaseUnit()))->preferredDisplayName(printops.abbreviate_names, true, false, false, &can_display_unicode_string_function, (void*) baseEdit).name.c_str()); exponentBox->setValue(au->firstBaseExponent()); relationEdit->setText(CALCULATOR->localizeExpression(au->expression()).c_str()); inverseRelationEdit->setText(CALCULATOR->localizeExpression(au->inverseExpression()).c_str()); relationExactButton->setChecked(!au->isApproximate()); relationEdit->setEnabled(true); inverseRelationEdit->setEnabled(true); relationExactButton->setEnabled(!u->isBuiltin()); exponentBox->setEnabled(!u->isBuiltin()); baseEdit->setEnabled(true); break; } case SUBTYPE_COMPOSITE_UNIT: { baseEdit->setText(((CompositeUnit*) u)->print(false, printops.abbreviate_names, true, &can_display_unicode_string_function, (void*) baseEdit).c_str()); baseEdit->setEnabled(true); } } } else { //default values hideButton->setChecked(false); relationExactButton->setChecked(true); relationEdit->setText("1"); classCombo->setCurrentItem(1); classChanged(1); } if(exec() == QDialog::Accepted) { u = edited_unit; edited_unit = NULL; return u; } edited_unit = NULL; return NULL; } void QalculateEditUnitDialog::editNames() { if(!names_edit_dialog) { names_edit_dialog = new QalculateEditNamesDialog(TYPE_UNIT, this); names_edit_dialog->setNames(edited_unit, nameEdit->text(), false); } else { names_edit_dialog->setNames(edited_unit, nameEdit->text(), true); } names_edit_dialog->exec(); names_edit_dialog->setNamesLE(nameEdit, namesLabel); } void QalculateEditUnitDialog::nameChanged(const QString &name) { if(name.isNull()) return; if(!CALCULATOR->unitNameIsValid(name.ascii())) { nameEdit->blockSignals(true); nameEdit->setText(CALCULATOR->convertToValidUnitName(name.ascii()).c_str()); nameEdit->blockSignals(false); } } #include "qalculateeditunitdialog.moc"