Initial import of qalculate-kde 0.9.7

1 files changed, 799 insertions, 0 deletions

diff --git a/src/qalculateeditfunctiondialog.cpp b/src/qalculateeditfunctiondialog.cpp
new file mode 100644
index 0000000..f82b0cb
--- /dev/null
+++ b/src/qalculateeditfunctiondialog.cpp
@@ -0,0 +1,799 @@
+/***************************************************************************
+ *   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 "qalculateeditfunctiondialog.h"
+#include "qalculate_kde_utils.h"
+#include "qalculateeditnamesdialog.h"
+
+#include <qgrid.h>
+#include <klineedit.h>
+#include <kpushbutton.h>
+#include <kcombobox.h>
+#include <qlabel.h>
+#include <klocale.h>
+#include <qvbox.h>
+#include <qhbox.h>
+#include <qcheckbox.h>
+#include <kmessagebox.h>
+#include <qlayout.h>
+#include <kdeversion.h>
+#if KDE_VERSION_MAJOR < 4 && KDE_VERSION_MINOR < 1
+#include <qtextedit.h>
+#else
+#include <ktextedit.h>
+#endif
+#include <klistview.h>
+#if KDE_VERSION_MAJOR < 4 && KDE_VERSION_MINOR < 2
+#include <qtabwidget.h>
+#else
+#include <ktabwidget.h>
+#endif
+#include <qheader.h>
+#include <kapplication.h>
+#include <kstdguiitem.h>
+
+extern PrintOptions printops;
+extern EvaluationOptions evalops;
+extern tree_struct function_cats;
+
+QalculateEditFunctionDialog::QalculateEditFunctionDialog(QWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Function"), Ok | Cancel | Help, Ok, false) {
+
+	names_edit_dialog = NULL;
+	subfunctions_edit_dialog = NULL;
+	edited_function = NULL;
+	argument_edit_dialog = NULL;
+
+#if KDE_VERSION_MAJOR < 4 && KDE_VERSION_MINOR < 2
+	tabs = new QTabWidget(this);
+#else
+	tabs = new KTabWidget(this);
+#endif
+	setMainWidget(tabs);
+	QWidget *page1 = new QWidget(this);
+	QWidget *page2 = new QWidget(this);
+	tabs->addTab(page1, i18n("General"));
+	tabs->addTab(page2, i18n("Function"));
+	QGridLayout *grid = new QGridLayout(page1, 1, 1, spacingHint());
+	QVBoxLayout *vbox = new QVBoxLayout(page2, spacingHint());
+	grid->addWidget(new QLabel(i18n("Name:"), page1), 0, 0);
+	nameEdit = new KLineEdit(page1);
+	grid->addWidget(nameEdit, 0, 1);
+	QHBoxLayout *hbox = new QHBoxLayout(0, 0, spacingHint());
+	grid->addMultiCellLayout(hbox, 1, 1, 0, 1);
+	namesLabel = new QLabel(page1);
+	namesLabel->setAlignment(Qt::AlignRight);
+	namesLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+	hbox->addWidget(namesLabel);
+	namesButton = new QPushButton(i18n("Names Details"), page1);
+	hbox->addWidget(namesButton);
+	grid->addWidget(new QLabel(i18n("Category:"), page1), 2, 0);
+	categoryCombo = new KComboBox(page1);
+	categoryCombo->setMaximumWidth(250);
+	categoryCombo->setEditable(true);
+	grid->addWidget(categoryCombo, 2, 1);
+	grid->addWidget(new QLabel(i18n("Descriptive name:"), page1), 3, 0);
+	titleEdit = new KLineEdit(page1);
+	grid->addWidget(titleEdit, 3, 1);
+	hbox = new QHBoxLayout(0, 0, spacingHint());
+	grid->addMultiCellLayout(hbox, 4, 4, 0, 1);
+	hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	hideButton = new QCheckBox(i18n("Hide function"), page1);
+	hbox->addWidget(hideButton);
+	grid->addWidget(new QLabel(i18n("Description:"), page1), 5, 0);	
+#if KDE_VERSION_MAJOR < 4 && KDE_VERSION_MINOR < 1
+	descriptionEdit = new QTextEdit(page1);
+#else
+	descriptionEdit = new KTextEdit(page1);
+#endif
+	descriptionEdit->setTextFormat(QTextEdit::PlainText);
+	grid->addMultiCellWidget(descriptionEdit, 6, 6, 0, 1);
+	vbox->addWidget(new QLabel(i18n("Expression:"), page2));
+#if KDE_VERSION_MAJOR < 4 && KDE_VERSION_MINOR < 1
+	expressionEdit = new QTextEdit(page2);
+#else	
+	expressionEdit = new KTextEdit(page2);
+#endif
+	expressionEdit->setTextFormat(QTextEdit::PlainText);
+	vbox->addWidget(expressionEdit);
+	hbox = new QHBoxLayout(vbox, spacingHint());
+	hbox->addWidget(new QLabel(i18n("Condition:"), page2));
+	conditionEdit = new KLineEdit(page2);
+	hbox->addWidget(conditionEdit);
+	hbox = new QHBoxLayout(vbox, spacingHint());
+	hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	subFunctionsButton = new QPushButton(i18n("Sub-Functions"), page2);
+	hbox->addWidget(subFunctionsButton);
+	vbox->addWidget(new QLabel(i18n("Arguments:"), page2));
+	argumentsView = new KListView(page2);
+	argumentsView->addColumn(i18n("Name"));
+	argumentsView->addColumn(i18n("Type"));
+	argumentsView->setSorting(-1);
+	argumentsView->setRootIsDecorated(false);
+	argumentsView->setItemsRenameable(true);
+	argumentsView->setItemsMovable(false);
+	vbox->addWidget(argumentsView);
+	hbox = new QHBoxLayout(vbox, spacingHint());
+	hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	newArgumentButton = new QPushButton(i18n("New"), page2);
+	hbox->addWidget(newArgumentButton);
+	editArgumentButton = new QPushButton(i18n("Edit"), page2);
+	hbox->addWidget(editArgumentButton);
+	deleteArgumentButton = new QPushButton(i18n("Delete"), page2);
+	hbox->addWidget(deleteArgumentButton);
+
+	connect(namesButton, SIGNAL(clicked()), this, SLOT(editNames()));
+	connect(subFunctionsButton, SIGNAL(clicked()), this, SLOT(editSubFunctions()));
+	connect(nameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(nameChanged(const QString&)));
+	connect(newArgumentButton, SIGNAL(clicked()), this, SLOT(newArgument()));
+	connect(editArgumentButton, SIGNAL(clicked()), this, SLOT(editArgument()));
+	connect(deleteArgumentButton, SIGNAL(clicked()), this, SLOT(deleteArgument()));
+	connect(argumentsView, SIGNAL(itemRenamed(QListViewItem*, const QString&, int)), this, SLOT(argumentRenamed(QListViewItem*, const QString&, int)));
+	connect(argumentsView, SIGNAL(selectionChanged()), this, SLOT(argumentSelectionChanged()));
+	
+}
+
+QalculateEditFunctionDialog::~QalculateEditFunctionDialog() {}
+
+
+void QalculateEditFunctionDialog::slotHelp() {
+	KApplication::kApplication()->invokeHelp("qalculate-function-creation");
+}
+
+void QalculateEditFunctionDialog::argumentSelectionChanged() {
+	QListViewItem *i = argumentsView->selectedItem();
+	if(i == NULL || (edited_function && edited_function->isBuiltin()) || argumentsItems[i]->type() > ARGUMENT_TYPE_ANGLE) {
+		editArgumentButton->setEnabled(false);
+		deleteArgumentButton->setEnabled(false);
+	} else {
+		editArgumentButton->setEnabled(true);
+		deleteArgumentButton->setEnabled(true);
+	}
+}
+void QalculateEditFunctionDialog::argumentRenamed(QListViewItem *i, const QString &str, int col) {
+	if(!i || col != 0) return;
+	if(col == 0) {
+		if(!argumentsItemsEdited[i]) {
+			argumentsItems[i] = argumentsItems[i]->copy();
+			argumentsItemsEdited[i] = true;
+		}
+		argumentsItems[i]->setName(str.ascii());
+	}
+}
+
+void QalculateEditFunctionDialog::slotOk() {
+
+	string str = nameEdit->text().ascii();
+	remove_blank_ends(str);
+	string str2 = CALCULATOR->unlocalizeExpression(expressionEdit->text().ascii(), evalops.parse_options);
+	remove_blank_ends(str2);
+	gsub("\n", " ", str2);
+	if(str.empty() && (!names_edit_dialog || names_edit_dialog->isEmpty())) {
+		//no name -- open dialog again
+		tabs->setCurrentPage(0);
+		nameEdit->setFocus();
+		KMessageBox::error(this, i18n("Empty name field"));
+		return;
+	}
+	if(!(edited_function && edited_function->isBuiltin()) && str2.empty()) {
+		//no expression/relation -- open dialog again		
+		tabs->setCurrentPage(1);
+		expressionEdit->setFocus();
+		KMessageBox::error(this, i18n("Empty expression field"));
+		return;
+	}
+	//function with the same name exists -- overwrite or open dialog again
+	if((!edited_function || !edited_function->hasName(str)) && (!names_edit_dialog || names_edit_dialog->isEmpty()) && CALCULATOR->functionNameTaken(str, edited_function) && KMessageBox::questionYesNo(this, i18n("A function with the same name already exists.\nDo you want to overwrite it?")) == KMessageBox::No) {
+		tabs->setCurrentPage(0);
+		nameEdit->setFocus();
+		return;
+	}
+	
+	MathFunction *f = edited_function;
+
+	bool add_func = false;
+	if(f) {
+		f->setLocal(true);
+		//edited an existing function
+		f->setCategory(categoryCombo->lineEdit()->text().ascii());
+		f->setTitle(titleEdit->text().ascii());
+		f->setDescription(descriptionEdit->text().ascii());
+	} else {
+		//new function
+		f = new UserFunction(categoryCombo->lineEdit()->text().ascii(), "", "", true, -1, titleEdit->text().ascii(), descriptionEdit->text().ascii());
+		add_func = true;
+	}
+	f->setCondition(CALCULATOR->unlocalizeExpression(conditionEdit->text().ascii(), evalops.parse_options));
+	size_t index = 1;
+	QListViewItemIterator it(argumentsView);
+	while(it.current()) {
+		if(argumentsItemsEdited[it.current()]) {
+			if(f->isBuiltin() && f->getArgumentDefinition(index)) {
+				f->getArgumentDefinition(index)->setName(argumentsItems[it.current()]->name());
+				delete argumentsItems[it.current()];
+			} else {
+				f->setArgumentDefinition(index, argumentsItems[it.current()]);
+			}
+		}
+		++it;
+		index++;
+	}
+	if(!f->isBuiltin()) {
+		for(; index <= f->lastArgumentDefinitionIndex(); index++) {
+			f->setArgumentDefinition(index, NULL);
+		}
+	}
+	argumentsItemsEdited.clear();
+	argumentsItems.clear();
+	f->setHidden(hideButton->isChecked());
+	if(!f->isBuiltin()) {
+		if(names_edit_dialog) {
+			names_edit_dialog->saveNames(f, str.c_str());
+		} else {
+			if(f->countNames() == 0) {
+				ExpressionName ename(str);
+				ename.reference = true;
+				f->setName(ename, 1);
+			} else {
+				f->setName(str, 1);
+			}
+		}
+		if(subfunctions_edit_dialog) {
+			subfunctions_edit_dialog->saveSubFunctions((UserFunction*) f);
+		}
+		((UserFunction*) f)->setFormula(str2);
+	}
+	if(add_func) {
+		CALCULATOR->addFunction(f);
+	}
+	edited_function = f;
+	
+	accept();
+
+}
+
+MathFunction *QalculateEditFunctionDialog::editFunction(QString category, MathFunction *f) {
+
+	nameEdit->setFocus();
+
+	tabs->setCurrentPage(0);
+	if(names_edit_dialog) {
+		delete names_edit_dialog;
+		names_edit_dialog = NULL;
+	}
+	if(subfunctions_edit_dialog) {
+		delete subfunctions_edit_dialog;
+		subfunctions_edit_dialog = NULL;
+	}
+	edited_function = f;
+	if(f) {
+		if(f->isLocal())
+			setCaption(i18n("Edit Function"));
+		else
+			setCaption(i18n("Edit Function (global)"));
+	} else {
+		setCaption(i18n("New Function"));
+	}
+
+	QString catstr;
+	categoryCombo->clear();
+	tree_struct *item, *item2;
+	function_cats.it = function_cats.items.begin();
+	if(function_cats.it != function_cats.items.end()) {
+		item = &*function_cats.it;
+		++function_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();	
+		}
+	}
+
+	//clear entries
+	nameEdit->clear();
+	namesLabel->clear();
+	conditionEdit->clear();
+	nameEdit->setReadOnly(f && f->isBuiltin());
+	expressionEdit->setEnabled(!f || !f->isBuiltin());
+	categoryCombo->lineEdit()->setText(category);
+	titleEdit->clear();
+	descriptionEdit->clear();
+	expressionEdit->clear();
+	hideButton->setChecked(false);
+	actionButton(Ok)->setEnabled(true);
+	subFunctionsButton->setEnabled(!f || !f->isBuiltin());
+	conditionEdit->setReadOnly(f && f->isBuiltin());
+	newArgumentButton->setEnabled(!f || !f->isBuiltin());
+	if(f) {
+		//fill in original paramaters
+		set_name_label_and_entry(f, nameEdit, namesLabel);
+		if(!f->isBuiltin()) {
+			expressionEdit->setText(CALCULATOR->localizeExpression(((UserFunction*) f)->formula()).c_str());
+		}
+		categoryCombo->lineEdit()->setText(f->category().c_str());
+		titleEdit->setText(f->title(false).c_str());
+		conditionEdit->setText(CALCULATOR->localizeExpression(f->condition()).c_str());
+		hideButton->setChecked(f->isHidden());
+		descriptionEdit->setText(f->description().c_str());
+		
+	}
+	argumentsView->clear();
+	argumentsItems.clear();
+	argumentsItemsEdited.clear();
+	editArgumentButton->setEnabled(false);
+	deleteArgumentButton->setEnabled(false);
+	Argument defarg;
+	if(f) {
+		Argument *arg;
+		int args = f->maxargs();
+		if(args < 0) {
+			args = f->minargs() + 1;	
+		}
+		QString str, str2;
+		QListViewItem *i_prev = NULL;
+		for(int i = 1; i <= args; i++) {
+			arg = f->getArgumentDefinition(i);
+			if(arg) {
+				arg = arg->copy();
+				str = arg->printlong().c_str();
+				str2 = arg->name().c_str();
+			} else {
+				arg = &defarg;
+				str = defarg.printlong().c_str();
+				str2 = "";
+			}
+			QListViewItem *i = new KListViewItem(argumentsView, i_prev, str2, str);
+			i_prev = i;
+			argumentsItems[i] = arg;
+			argumentsItemsEdited[i] = false;
+		}
+	}
+	argumentsView->setResizeMode(KListView::AllColumns);
+
+	if(exec() == QDialog::Accepted) {
+		f = edited_function;
+		edited_function = NULL;
+		return f;
+	}
+	QListViewItemIterator it(argumentsView);
+	while(it.current()) {
+		if(argumentsItemsEdited[it.current()]) {
+			delete argumentsItems[it.current()];
+		}
+		++it;
+	}
+	argumentsItemsEdited.clear();
+	argumentsItems.clear();
+	edited_function = NULL;
+	return NULL;
+}
+
+void QalculateEditFunctionDialog::editNames() {
+	if(!names_edit_dialog) {
+		names_edit_dialog = new QalculateEditNamesDialog(TYPE_FUNCTION, this);
+		names_edit_dialog->setNames(edited_function, nameEdit->text(), false);
+	} else {
+		names_edit_dialog->setNames(edited_function, nameEdit->text(), true);
+	}
+	names_edit_dialog->exec();
+	names_edit_dialog->setNamesLE(nameEdit, namesLabel);
+}
+void QalculateEditFunctionDialog::newArgument() {
+	if(!argument_edit_dialog) {
+		argument_edit_dialog = new QalculateEditArgumentDialog(this);
+	}
+	Argument *arg = argument_edit_dialog->editArgument();
+	if(arg) {
+		QListViewItem *i = new KListViewItem(argumentsView, argumentsView->lastChild(), arg->name().c_str(), arg->printlong().c_str());
+		argumentsItems[i] = arg;
+		argumentsItemsEdited[i] = true;
+	}
+}
+void QalculateEditFunctionDialog::editArgument() {
+	QListViewItem *i = argumentsView->selectedItem();
+	if(i == NULL) return;
+	if(!argument_edit_dialog) {
+		argument_edit_dialog = new QalculateEditArgumentDialog(this);
+	}
+	Argument *arg = argument_edit_dialog->editArgument(argumentsItems[i]);
+	if(arg) {
+		if(argumentsItemsEdited[i]) {
+			delete argumentsItems[i];
+		}
+		argumentsItemsEdited[i] = true;
+		argumentsItems[i] = arg;
+		i->setText(0, arg->name().c_str());
+		i->setText(1, arg->printlong().c_str());
+	}
+}
+void QalculateEditFunctionDialog::deleteArgument() {
+	QListViewItem *i = argumentsView->selectedItem();
+	if(i == NULL) return;
+	if(argumentsItemsEdited[i]) {
+		delete argumentsItems[i];
+	}
+	argumentsItemsEdited.erase(i);
+	argumentsItems.erase(i);
+	argumentsView->removeItem(i);
+}
+void QalculateEditFunctionDialog::editSubFunctions() {
+	if(edited_function && edited_function->isBuiltin()) return;
+	if(!subfunctions_edit_dialog) {
+		subfunctions_edit_dialog = new QalculateEditSubFunctionsDialog(this);
+		subfunctions_edit_dialog->setSubFunctions((UserFunction*) edited_function, false);
+	} else {
+		subfunctions_edit_dialog->setSubFunctions((UserFunction*) edited_function, true);
+	}
+	subfunctions_edit_dialog->exec();
+}
+
+void QalculateEditFunctionDialog::nameChanged(const QString &name) {
+	if(name.isNull()) return;
+	if(!CALCULATOR->functionNameIsValid(name.ascii())) {
+		nameEdit->blockSignals(true);
+		nameEdit->setText(CALCULATOR->convertToValidFunctionName(name.ascii()).c_str());
+		nameEdit->blockSignals(false);
+	}
+}
+
+QalculateEditSubFunctionsDialog::QalculateEditSubFunctionsDialog(QWidget *parent, const char *name) : KDialog(parent, name, true) {
+
+	setCaption(i18n("Sub-Functions"));
+
+	QVBoxLayout *layout = new QVBoxLayout(this, marginHint(), spacingHint());
+
+	subFunctionsView = new KListView(this);
+	subFunctionsView->addColumn(i18n("Reference"));
+	subFunctionsView->addColumn(i18n("Expression"));
+	subFunctionsView->addColumn(i18n("Precalculate"));
+	subFunctionsView->setSorting(-1);
+	subFunctionsView->setItemsRenameable(true);
+	subFunctionsView->setRenameable(0, false);
+	subFunctionsView->setRenameable(1, true);
+	subFunctionsView->setItemsMovable(false);
+	layout->addWidget(subFunctionsView);
+
+	QHBoxLayout *buttonLayout = new QHBoxLayout(layout, spacingHint());
+	newButton = new QPushButton(i18n("New"), this);
+	buttonLayout->addWidget(newButton);
+	deleteButton = new QPushButton(i18n("Delete"), this);
+	deleteButton->setEnabled(false);
+	buttonLayout->addWidget(deleteButton);
+	buttonLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	buttonClose = new KPushButton(KStdGuiItem::close(), this);
+	buttonClose->setAutoDefault(true);
+	buttonClose->setDefault(true);
+	buttonLayout->addWidget(buttonClose);
+
+	connect(subFunctionsView, SIGNAL(selectionChanged()), this, SLOT(selectionChanged()));
+	connect(buttonClose, SIGNAL(clicked()), this, SLOT(accept()));
+	connect(newButton, SIGNAL(clicked()), this, SLOT(newSubFunction()));
+	connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteSubFunction()));
+	connect(subFunctionsView, SIGNAL(clicked(QListViewItem*, const QPoint&, int)), this, SLOT(itemClicked(QListViewItem*, const QPoint&, int)));
+}
+
+QalculateEditSubFunctionsDialog::~QalculateEditSubFunctionsDialog() {}
+
+void QalculateEditSubFunctionsDialog::newSubFunction() {
+	ExpressionName name;
+	QString str = "\\";
+	str += QString::number(subFunctionsView->childCount() + 1);
+	QListViewItem *i = new KListViewItem(subFunctionsView, subFunctionsView->lastChild(), str, "", i18n("Yes"));
+	subFunctionsView->setSelected(i, true);
+	qApp->processEvents();
+	subFunctionsView->rename(i, 1);
+}
+
+void QalculateEditSubFunctionsDialog::setSubFunctions(UserFunction *f, bool edited) {
+	if(!edited) {
+		deleteButton->setEnabled(false);
+		subFunctionsView->clear();
+	}
+	if(!edited && f && f->countSubfunctions() > 0) {
+		QListViewItem *i_prev = NULL;
+		for(size_t index = 1; index <= f->countSubfunctions(); index++) {
+			QListViewItem *i = new KListViewItem(subFunctionsView, i_prev);
+			i_prev = i;
+			QString str = "\\";
+			str += QString::number(index);
+			i->setText(0, str);
+			i->setText(1, f->getSubfunction(index).c_str());
+			if(f->subfunctionPrecalculated(index)) i->setText(2, i18n("Yes"));
+			else i->setText(2, i18n("No"));
+		}
+	}
+}
+void QalculateEditSubFunctionsDialog::saveSubFunctions(UserFunction *f) {
+	f->clearSubfunctions();
+	QListViewItemIterator it(subFunctionsView);
+	while(it.current()) {
+		f->addSubfunction(it.current()->text(1).ascii(), it.current()->text(2) == i18n("Yes"));
+		++it;
+	}
+}
+bool QalculateEditSubFunctionsDialog::isEmpty() {
+	return subFunctionsView->childCount() <= 0;
+}
+
+void QalculateEditSubFunctionsDialog::deleteSubFunction() {
+	subFunctionsView->removeItem(subFunctionsView->selectedItem());
+	QListViewItemIterator it(subFunctionsView);
+	int index = 1;
+	while(it.current()) {
+		QString str = "\\";
+		str += QString::number(index);
+		it.current()->setText(0, str);
+		++it;
+		index++;
+	}
+}
+
+void QalculateEditSubFunctionsDialog::itemClicked(QListViewItem *i, const QPoint &, int c) {
+	if(i && c == 2) {
+		if(i->text(c) == i18n("Yes"))
+			i->setText(c, i18n("No"));
+		else
+			i->setText(c, i18n("Yes"));
+	}
+}
+
+void QalculateEditSubFunctionsDialog::selectionChanged() {
+	deleteButton->setEnabled(subFunctionsView->selectedItem() != NULL);
+}
+
+QalculateEditArgumentDialog::QalculateEditArgumentDialog(QWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Argument"), Ok | Cancel, Ok, true) {
+
+	setMainWidget(new QWidget(this));
+	QGridLayout *grid = new QGridLayout(mainWidget(), 1, 1, 0, spacingHint());
+	grid->addWidget(new QLabel(i18n("Name:"), mainWidget()), 0, 0);
+	nameEdit = new KLineEdit(mainWidget());
+	grid->addWidget(nameEdit, 0, 1);
+	grid->addWidget(new QLabel(i18n("Type:"), mainWidget()), 1, 0);
+	typeCombo = new KComboBox(mainWidget());
+	typeCombo->setEditable(false);
+	typeCombo->insertItem(i18n("Free"));
+	typeCombo->insertItem(i18n("Number"));
+	typeCombo->insertItem(i18n("Integer"));
+	typeCombo->insertItem(i18n("Symbol"));
+	typeCombo->insertItem(i18n("Text"));
+	typeCombo->insertItem(i18n("Date"));
+	typeCombo->insertItem(i18n("Vector"));
+	typeCombo->insertItem(i18n("Matrix"));
+	typeCombo->insertItem(i18n("Boolean"));
+	typeCombo->insertItem(i18n("Object"));
+	typeCombo->insertItem(i18n("Function"));
+	typeCombo->insertItem(i18n("Unit"));
+	typeCombo->insertItem(i18n("Variable"));
+	typeCombo->insertItem(i18n("File"));
+	typeCombo->insertItem(i18n("Angle"));
+	grid->addWidget(typeCombo, 1, 1);
+	testButton = new QCheckBox(i18n("Enable rules and type test"), mainWidget());
+	grid->addMultiCellWidget(testButton, 2, 2, 0, 1);
+	conditionButton = new QCheckBox(i18n("Custom condition:"), mainWidget());
+	grid->addWidget(conditionButton, 3, 0);
+	conditionEdit = new KLineEdit(mainWidget());
+	grid->addWidget(conditionEdit, 3, 1);
+	matrixButton = new QCheckBox(i18n("Allow matrix"), mainWidget());
+	grid->addMultiCellWidget(matrixButton, 4, 4, 0, 1);
+	zeroButton = new QCheckBox(i18n("Forbid zero"), mainWidget());
+	grid->addMultiCellWidget(zeroButton, 5, 5, 0, 1);
+	complexButton = new QCheckBox(i18n("Allow complex"), mainWidget());
+	grid->addMultiCellWidget(complexButton, 6, 6, 0, 1);
+	minButton = new QCheckBox(i18n("Min:"), mainWidget());
+	grid->addWidget(minButton, 7, 0);
+	minEdit = new KLineEdit(mainWidget());
+	grid->addWidget(minEdit, 7, 1);
+	QHBoxLayout *hbox = new QHBoxLayout(0, 0, spacingHint());
+	grid->addMultiCellLayout(hbox, 8, 8, 0, 1);
+	hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	minIncludeEqualsButton = new QCheckBox(i18n("Include equals"), mainWidget());
+	hbox->addWidget(minIncludeEqualsButton);
+	maxButton = new QCheckBox(i18n("Max:"), mainWidget());
+	grid->addWidget(maxButton, 9, 0);
+	maxEdit = new KLineEdit(mainWidget());
+	grid->addWidget(maxEdit, 9, 1);
+	hbox = new QHBoxLayout(0, 0, spacingHint());
+	grid->addMultiCellLayout(hbox, 10, 10, 0, 1);
+	hbox->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+	maxIncludeEqualsButton = new QCheckBox(i18n("Include equals"), mainWidget());
+	hbox->addWidget(maxIncludeEqualsButton);
+
+	connect(conditionButton, SIGNAL(toggled(bool)), conditionEdit, SLOT(setEnabled(bool)));
+	connect(minButton, SIGNAL(toggled(bool)), this, SLOT(minEnabled(bool)));
+	connect(maxButton, SIGNAL(toggled(bool)), this, SLOT(maxEnabled(bool)));
+	connect(typeCombo, SIGNAL(activated(int)), this, SLOT(typeChanged(int)));
+	
+}
+
+QalculateEditArgumentDialog::~QalculateEditArgumentDialog() {}
+
+void QalculateEditArgumentDialog::typeChanged(int i) {
+	maxButton->setEnabled(i == 1 || i == 2);
+	maxEdit->setEnabled(maxButton->isChecked() && (i == 1 || i == 2));
+	maxIncludeEqualsButton->setEnabled(maxButton->isChecked() && i == 1);
+	maxIncludeEqualsButton->setChecked(i == 1 || i  == 2);
+	minButton->setEnabled(i == 1 || i == 2);
+	minEdit->setEnabled(maxButton->isChecked() && (i == 1 || i == 2));
+	minIncludeEqualsButton->setEnabled(minButton->isChecked() && i == 1);
+	minIncludeEqualsButton->setChecked(i == 1 || i  == 2);
+	matrixButton->setEnabled(i != 7 && i != 0);
+	matrixButton->setChecked(i == 7 || i == 0);
+	complexButton->setEnabled(i == 1);
+	complexButton->setChecked(i == 1);
+}
+void QalculateEditArgumentDialog::maxEnabled(bool b) {
+	maxEdit->setEnabled(b);
+	if(typeCombo->currentItem() == 2) {
+		maxIncludeEqualsButton->setEnabled(b);
+	}
+}
+void QalculateEditArgumentDialog::minEnabled(bool b) {
+	minEdit->setEnabled(b);
+	if(typeCombo->currentItem() == 2) {
+		minIncludeEqualsButton->setEnabled(b);
+	}
+}
+
+Argument *QalculateEditArgumentDialog::editArgument(Argument *arg) {
+
+	if(arg) {
+		setCaption(i18n("Edit Argument"));
+	} else {
+		setCaption(i18n("New Argument"));
+	}
+
+	nameEdit->setFocus();
+
+	typeCombo->setCurrentItem(0);
+	conditionEdit->clear();
+	conditionButton->setChecked(false);
+	nameEdit->clear();
+	maxEdit->setText("0");
+	minEdit->setText("0");
+	testButton->setChecked(true);
+	zeroButton->setChecked(false);
+	matrixButton->setChecked(false);
+	complexButton->setChecked(false);
+	PrintOptions po;
+	po.number_fraction_format = FRACTION_DECIMAL_EXACT;
+	if(arg) {
+		switch(arg->type()) {
+			case ARGUMENT_TYPE_NUMBER: {
+				typeCombo->setCurrentItem(1);
+				NumberArgument *farg = (NumberArgument*) arg;
+				minButton->setChecked(farg->min() != NULL);
+				minIncludeEqualsButton->setChecked(farg->includeEqualsMin());
+				if(farg->min()) minEdit->setText(farg->min()->print(po).c_str());
+				maxButton->setChecked(farg->max() != NULL);
+				maxIncludeEqualsButton->setChecked(farg->includeEqualsMax());
+				if(farg->max()) maxEdit->setText(farg->max()->print(po).c_str());
+				complexButton->setChecked(farg->complexAllowed());
+				break;
+			}
+			case ARGUMENT_TYPE_INTEGER: {
+				typeCombo->setCurrentItem(2);
+				IntegerArgument *iarg = (IntegerArgument*) arg;
+				minButton->setChecked(iarg->min() != NULL);
+				if(iarg->min()) minEdit->setText(iarg->min()->print(po).c_str());
+				maxButton->setChecked(iarg->max() != NULL);
+				if(iarg->max()) maxEdit->setText(iarg->max()->print(po).c_str());
+				break;
+			}
+			case ARGUMENT_TYPE_TEXT: {typeCombo->setCurrentItem(4); break;}
+			case ARGUMENT_TYPE_SYMBOLIC: {typeCombo->setCurrentItem(3); break;}
+			case ARGUMENT_TYPE_DATE: {typeCombo->setCurrentItem(5); break;}
+			case ARGUMENT_TYPE_VECTOR: {typeCombo->setCurrentItem(6); break;}
+			case ARGUMENT_TYPE_MATRIX: {typeCombo->setCurrentItem(7); break;}
+			case ARGUMENT_TYPE_EXPRESSION_ITEM: {typeCombo->setCurrentItem(9); break;}
+			case ARGUMENT_TYPE_FUNCTION: {typeCombo->setCurrentItem(10); break;}
+			case ARGUMENT_TYPE_UNIT: {typeCombo->setCurrentItem(11); break;}
+			case ARGUMENT_TYPE_VARIABLE: {typeCombo->setCurrentItem(12); break;}
+			case ARGUMENT_TYPE_FILE: {typeCombo->setCurrentItem(13); break;}
+			case ARGUMENT_TYPE_BOOLEAN: {typeCombo->setCurrentItem(8); break;}
+			case ARGUMENT_TYPE_ANGLE: {typeCombo->setCurrentItem(14); break;}
+		}
+		nameEdit->setText(arg->name().c_str());
+		matrixButton->setChecked(arg->matrixAllowed());
+		zeroButton->setChecked(arg->zeroForbidden());
+		testButton->setChecked(arg->tests());
+		if(!arg->getCustomCondition().empty()) {
+			conditionButton->setChecked(true);
+			conditionEdit->setText(arg->getCustomCondition().c_str());
+		}
+	}
+	typeChanged(typeCombo->currentItem());
+
+	if(exec() == QDialog::Accepted) {
+		switch(typeCombo->currentItem()) {
+			case 1: {
+				arg = new NumberArgument();
+				if(minButton->isChecked()) {
+					Number nr(minEdit->text().ascii());
+					((NumberArgument*) arg)->setMin(&nr);
+				}
+				((NumberArgument*) arg)->setIncludeEqualsMin(minIncludeEqualsButton->isChecked());
+				if(maxButton->isChecked()) {
+					Number nr(maxEdit->text().ascii());
+					((NumberArgument*) arg)->setMax(&nr);
+				}
+				((NumberArgument*) arg)->setIncludeEqualsMax(maxIncludeEqualsButton->isChecked());
+				break;
+			}
+			case 2: {
+				arg = new IntegerArgument();
+				if(minButton->isChecked()) {
+					Number nr(minEdit->text().ascii());
+					((IntegerArgument*) arg)->setMin(&nr);
+				}
+				if(maxButton->isChecked()) {
+					Number nr(maxEdit->text().ascii());
+					((IntegerArgument*) arg)->setMax(&nr);
+				}
+				break;
+			}
+			case 3: {arg = new SymbolicArgument(); break;}
+			case 4: {arg = new TextArgument(); break;}
+			case 5: {arg = new DateArgument(); break;}
+			case 6: {arg = new VectorArgument(); break;}
+			case 7: {arg = new MatrixArgument(); break;}
+			case 8: {arg = new BooleanArgument(); break;}
+			case 9: {arg = new ExpressionItemArgument(); break;}
+			case 10: {arg = new FunctionArgument(); break;}
+			case 11: {arg = new UnitArgument(); break;}
+			case 12: {arg = new VariableArgument(); break;}
+			case 13: {arg = new FileArgument(); break;}
+			case 14: {arg = new AngleArgument(); break;}
+			default: {arg = new Argument(); break;}
+		}
+		arg->setName(nameEdit->text().ascii());
+		arg->setZeroForbidden(zeroButton->isChecked());
+		arg->setTests(testButton->isChecked());
+		if(conditionButton->isChecked()) {
+			arg->setCustomCondition(conditionEdit->text().ascii());
+		} else {
+			arg->setCustomCondition("");
+		}
+		if(arg->type() != ARGUMENT_TYPE_FREE && arg->type() != ARGUMENT_TYPE_MATRIX) arg->setMatrixAllowed(matrixButton->isChecked());
+		return arg;	
+	}
+	return NULL;
+
+}
+
+#include "qalculateeditfunctiondialog.moc"
+