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496 lines
16 KiB
496 lines
16 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 "qalculatevariablesdialog.h"
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#include "qalculate_tde_utils.h"
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#include "qalculateeditvariabledialog.h"
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#include "qalculateeditmatrixvectordialog.h"
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#include "qalculateeditunknownvariabledialog.h"
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#include "qalculateexportcsvdialog.h"
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#include <vector>
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#include <string>
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#include <kpushbutton.h>
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#include <tqsplitter.h>
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#include <tqvbox.h>
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#include <tqhbox.h>
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#include <tdelistview.h>
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#include <tdemessagebox.h>
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#include <tdelocale.h>
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#include <tqlayout.h>
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#include <tdeapplication.h>
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#include <kstdguiitem.h>
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extern tree_struct variable_cats;
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extern std::vector<void*> ia_variables;
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QalculateVariablesDialog::QalculateVariablesDialog(TQWidget *parent, const char *name) : KDialog(parent, name, false) {
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export_csv_dialog = NULL;
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variable_edit_dialog = NULL;
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matrix_edit_dialog = NULL;
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unknown_edit_dialog = NULL;
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selected_category = "";
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selected_variable = NULL;
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TQHBoxLayout *layout = new TQHBoxLayout(this, marginHint(), spacingHint());
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setCaption(i18n("Variables"));
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TQSplitter *splitter = new TQSplitter(TQt::Horizontal, this);
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layout->addWidget(splitter);
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categoryView = new TDEListView(splitter);
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categoryView->addColumn(i18n("Category"));
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variableView = new TDEListView(splitter);
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variableView->addColumn(i18n("Variable Name"));
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variableView->addColumn(i18n("Value"));
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variableView->setRootIsDecorated(false);
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TQVBoxLayout *buttonLayout = new TQVBoxLayout(layout, spacingHint());
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newButton = new TQPushButton(i18n("New"), this);
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buttonLayout->addWidget(newButton);
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editButton = new TQPushButton(i18n("Edit"), this);
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editButton->setEnabled(false);
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buttonLayout->addWidget(editButton);
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deleteButton = new TQPushButton(i18n("Delete"), this);
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deleteButton->setEnabled(false);
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buttonLayout->addWidget(deleteButton);
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deactivateButton = new TQPushButton(i18n("Deactivate"), this);
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deactivateButton->setEnabled(false);
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buttonLayout->addWidget(deactivateButton);
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insertButton = new TQPushButton(i18n("Insert"), this);
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insertButton->setEnabled(false);
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buttonLayout->addWidget(insertButton);
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exportButton = new TQPushButton(i18n("Export"), this);
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exportButton->setEnabled(false);
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buttonLayout->addWidget(exportButton);
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buttonLayout->addItem(new TQSpacerItem(0, 0, TQSizePolicy::Minimum, TQSizePolicy::Expanding));
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helpButton = new KPushButton(KStdGuiItem::help(), this);
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buttonLayout->addWidget(helpButton);
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buttonClose = new KPushButton(KStdGuiItem::close(), this);
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buttonClose->setFocus();
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buttonLayout->addWidget(buttonClose);
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resize(TQSize(675, 375).expandedTo(size()));
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connect(buttonClose, SIGNAL(clicked()), this, SLOT(close()));
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connect(newButton, SIGNAL(clicked()), this, SLOT(newVariable()));
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connect(editButton, SIGNAL(clicked()), this, SLOT(editVariable()));
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connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteVariable()));
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connect(deactivateButton, SIGNAL(clicked()), this, SLOT(deactivateVariable()));
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connect(insertButton, SIGNAL(clicked()), this, SLOT(insertVariable()));
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connect(exportButton, SIGNAL(clicked()), this, SLOT(exportVariable()));
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connect(variableView, SIGNAL(selectionChanged()), this, SLOT(variableSelected()));
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connect(variableView, SIGNAL(doubleClicked(TQListViewItem*)), this, SLOT(variableDoubleClicked(TQListViewItem*)));
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connect(categoryView, SIGNAL(selectionChanged()), this, SLOT(categorySelected()));
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connect(helpButton, SIGNAL(clicked()), this, SLOT(slotHelp()));
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}
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QalculateVariablesDialog::~QalculateVariablesDialog() {}
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void QalculateVariablesDialog::slotHelp() {
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TDEApplication::kApplication()->invokeHelp("qalculate-managers");
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}
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void QalculateVariablesDialog::updateVariableTree() {
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variableItems.clear();
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categoryItems.clear();
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categoryView->clear();
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TQListViewItem *i = new TDEListViewItem(categoryView, i18n("All")), *i2;
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categoryItems[i] = i18n("All");
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i->setOpen(true);
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TQString str;
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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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str = "";
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i2 = i;
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while(item) {
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str += "/";
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str += item->item.c_str();
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i = new TDEListViewItem(i2, item->item.c_str());
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i->setOpen(false);
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categoryItems[i] = str;
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if(str == selected_category) {
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categoryView->ensureItemVisible(i);
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categoryView->setSelected(i, true);
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}
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while(item && item->it == item->items.end()) {
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int str_i = str.findRev("/");
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if(str_i < 0) {
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str = "";
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} else {
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str.truncate(str_i);
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}
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item = item->parent;
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i = i->parent();
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i2 = i;
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}
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if(item) {
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item2 = &*item->it;
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if(item->it == item->items.begin())
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i2 = i;
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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(!variable_cats.objects.empty()) {
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//add "Uncategorized" category if there are variables without category
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i = new TDEListViewItem(categoryView, i18n("Uncategorized"));
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categoryItems[i] = i18n("Uncategorized");
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if(selected_category == i18n("Uncategorized")) {
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categoryView->ensureItemVisible(i);
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categoryView->setSelected(i, true);
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}
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}
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if(!ia_variables.empty()) {
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//add "Inactive" category if there are inactive variables
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i = new TDEListViewItem(categoryView, i18n("Inactive"));
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categoryItems[i] = i18n("Inactive");
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if(selected_category == i18n("Inactive")) {
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categoryView->ensureItemVisible(i);
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categoryView->setSelected(i, true);
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}
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}
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if(!categoryView->selectedItem()) {
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//if no category has been selected (previously selected has been renamed/deleted), select "All"
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selected_category = i18n("All");
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TQListViewItemIterator it(categoryView);
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if(it.current())
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categoryView->setSelected(it.current(), true);
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}
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}
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#define UPDATE_SELECTED_VARIABLE TQListViewItem *i = variableView->selectedItem(); if(!i) return; selected_variable = variableItems[i]; if(!selected_variable) return;
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#define CHECK_IF_VARIABLE_STILL_THERE if(!CALCULATOR->stillHasVariable(selected_variable)) {KMessageBox::error(this, i18n("Variable does not exist anymore.")); emit variablesChanged(); return;}
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void QalculateVariablesDialog::exportVariable() {
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UPDATE_SELECTED_VARIABLE
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CHECK_IF_VARIABLE_STILL_THERE
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if(selected_variable->isKnown()) {
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if(!export_csv_dialog) {
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export_csv_dialog = new QalculateExportCSVDialog(this);
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}
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export_csv_dialog->exportCSVFile((KnownVariable*) selected_variable);
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}
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}
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void QalculateVariablesDialog::insertVariable() {
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UPDATE_SELECTED_VARIABLE
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CHECK_IF_VARIABLE_STILL_THERE
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emit insertRequest(selected_variable);
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}
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void QalculateVariablesDialog::deactivateVariable() {
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UPDATE_SELECTED_VARIABLE
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CHECK_IF_VARIABLE_STILL_THERE
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selected_variable->setActive(!selected_variable->isActive());
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emit variablesChanged();
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}
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void QalculateVariablesDialog::deleteVariable() {
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UPDATE_SELECTED_VARIABLE
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CHECK_IF_VARIABLE_STILL_THERE
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if(selected_variable->isLocal()) {
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//ensure that all references are removed in Calculator
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selected_variable->destroy();
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//update menus and trees
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emit variablesChanged();
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}
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}
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void QalculateVariablesDialog::editVariable() {
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UPDATE_SELECTED_VARIABLE
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CHECK_IF_VARIABLE_STILL_THERE
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Variable *v = NULL;
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if(selected_variable->isKnown()) {
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if(((KnownVariable*) selected_variable)->get().isVector()) {
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if(!matrix_edit_dialog) {
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matrix_edit_dialog = new QalculateEditMatrixVectorDialog(this);
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}
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v = matrix_edit_dialog->editVariable(TQString::null, (KnownVariable*) selected_variable);
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} else {
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if(!variable_edit_dialog) {
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variable_edit_dialog = new QalculateEditVariableDialog(this);
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}
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v = variable_edit_dialog->editVariable(TQString::null, (KnownVariable*) selected_variable);
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}
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} else {
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if(!unknown_edit_dialog) {
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unknown_edit_dialog = new QalculateEditUnknownVariableDialog(this);
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}
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v = unknown_edit_dialog->editVariable(TQString::null, (UnknownVariable*) selected_variable);
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}
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if(v) {
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selected_variable = v;
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if(!v->isActive()) {
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selected_category = i18n("Inactive");
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} else if(v->category().empty()) {
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selected_category = i18n("Uncategorized");
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} else {
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selected_category = "/";
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selected_category += v->category().c_str();
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}
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emit variablesChanged();
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}
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}
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void QalculateVariablesDialog::newVariable() {
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if(!variable_edit_dialog) {
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variable_edit_dialog = new QalculateEditVariableDialog(this);
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}
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Variable *v = NULL;
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if(selected_category.isEmpty() || selected_category[0] != '/') {
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v = variable_edit_dialog->editVariable("");
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} else {
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TQString str = selected_category;
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str.remove(0, 1);
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v = variable_edit_dialog->editVariable(str);
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}
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if(v) {
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selected_variable = v;
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if(!v->isActive()) {
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selected_category = i18n("Inactive");
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} else if(v->category().empty()) {
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selected_category = i18n("Uncategorized");
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} else {
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selected_category = "/";
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selected_category += v->category().c_str();
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}
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emit variablesChanged();
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}
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}
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void QalculateVariablesDialog::variableDoubleClicked(TQListViewItem*i) {
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selected_variable = variableItems[i];
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if(!selected_variable)
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return;
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CHECK_IF_VARIABLE_STILL_THERE
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Variable *v = NULL;
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if(selected_variable->isKnown()) {
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if(((KnownVariable*) selected_variable)->get().isVector()) {
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if(!matrix_edit_dialog) {
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matrix_edit_dialog = new QalculateEditMatrixVectorDialog(this);
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}
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v = matrix_edit_dialog->editVariable(TQString::null, (KnownVariable*) selected_variable);
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} else {
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if(!variable_edit_dialog) {
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variable_edit_dialog = new QalculateEditVariableDialog(this);
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}
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v = variable_edit_dialog->editVariable(TQString::null, (KnownVariable*) selected_variable);
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}
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} else {
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if(!unknown_edit_dialog) {
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unknown_edit_dialog = new QalculateEditUnknownVariableDialog(this);
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}
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v = unknown_edit_dialog->editVariable(TQString::null, (UnknownVariable*) selected_variable);
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}
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if(v) {
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selected_variable = v;
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if(!v->isActive()) {
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selected_category = i18n("Inactive");
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} else if(v->category().empty()) {
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selected_category = i18n("Uncategorized");
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} else {
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selected_category = "/";
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selected_category += v->category().c_str();
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}
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emit variablesChanged();
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}
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}
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void QalculateVariablesDialog::variableSelected() {
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TQListViewItem *selected = variableView->selectedItem();
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if(selected) {
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Variable *v = variableItems[selected];
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if(!CALCULATOR->stillHasVariable(v)) {
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KMessageBox::error(this, i18n("Variable does not exist anymore."));
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selected_variable = NULL;
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emit variablesChanged();
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return;
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}
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//remember selection
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selected_variable = v;
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editButton->setEnabled(!is_answer_variable(v));
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insertButton->setEnabled(v->isActive());
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deleteButton->setEnabled(v->isLocal() && !is_answer_variable(v) && v != CALCULATOR->v_x && v != CALCULATOR->v_y && v != CALCULATOR->v_z);
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deactivateButton->setEnabled(!is_answer_variable(v));
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if(v->isActive())
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deactivateButton->setText(i18n("Deactivate"));
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else
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deactivateButton->setText(i18n("Activate"));
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exportButton->setEnabled(v->isKnown());
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} else {
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editButton->setEnabled(false);
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insertButton->setEnabled(false);
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deleteButton->setEnabled(false);
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deactivateButton->setEnabled(false);
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exportButton->setEnabled(false);
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selected_variable = NULL;
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}
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}
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void QalculateVariablesDialog::addVariableTreeItem(Variable *v) {
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TQString value;
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if(is_answer_variable(v)) {
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value = i18n("a previous result");
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} else if(v->isKnown()) {
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if(((KnownVariable*) v)->isExpression()) {
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value = CALCULATOR->localizeExpression(((KnownVariable*) v)->expression()).c_str();
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if(value.length() > 20) {
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value.truncate(17);
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value += "...";
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}
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} else {
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if(((KnownVariable*) v)->get().isMatrix()) {
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value = i18n("matrix");
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} else if(((KnownVariable*) v)->get().isVector()) {
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value = i18n("vector");
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} else {
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value = CALCULATOR->printMathStructureTimeOut(((KnownVariable*) v)->get(), 30).c_str();
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}
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}
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} else {
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if(((UnknownVariable*) v)->assumptions()) {
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switch(((UnknownVariable*) v)->assumptions()->sign()) {
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case ASSUMPTION_SIGN_POSITIVE: {
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value = i18n("positive");
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break;
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}
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case ASSUMPTION_SIGN_NONPOSITIVE: {
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value = i18n("non-positive");
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break;
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}
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case ASSUMPTION_SIGN_NEGATIVE: {
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value = i18n("negative");
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break;
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}
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case ASSUMPTION_SIGN_NONNEGATIVE: {
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value = i18n("non-negative");
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break;
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}
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case ASSUMPTION_SIGN_NONZERO: {
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value = i18n("non-zero");
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break;
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}
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default: {}
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}
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if(!value.isEmpty() && !((UnknownVariable*) v)->assumptions()->type() == ASSUMPTION_TYPE_NONE)
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value += " ";
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switch(((UnknownVariable*) v)->assumptions()->type()) {
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case ASSUMPTION_TYPE_INTEGER: {
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value += i18n("integer");
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break;
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}
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case ASSUMPTION_TYPE_RATIONAL: {
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value += i18n("rational");
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break;
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}
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case ASSUMPTION_TYPE_REAL: {
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value += i18n("real");
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break;
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}
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case ASSUMPTION_TYPE_COMPLEX: {
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value += i18n("complex");
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break;
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}
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case ASSUMPTION_TYPE_NUMBER: {
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value += i18n("number");
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break;
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}
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case ASSUMPTION_TYPE_NONMATRIX: {
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value += i18n("(not matrix)");
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break;
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}
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default: {}
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}
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if(value.isEmpty())
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value = i18n("unknown");
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} else {
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value = i18n("default assumptions");
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}
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}
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TQListViewItem *i = new TDEListViewItem(variableView, v->title(true).c_str(), value);
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variableItems[i] = v;
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if(v == selected_variable) {
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variableView->setSelected(i, true);
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}
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}
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void QalculateVariablesDialog::categorySelected() {
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TQListViewItem *selected = categoryView->selectedItem();
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bool no_cat = false, b_all = false, b_inactive = false;
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variableView->clear();
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variableItems.clear();
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if(!selected) {
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selected_category = "";
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variableSelected();
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return;
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}
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selected_category = categoryItems[selected];
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if(selected_category == i18n("All")) {
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b_all = true;
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} else if(selected_category == i18n("Uncategorized")) {
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no_cat = true;
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} else if(selected_category == i18n("Inactive")) {
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b_inactive = true;
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}
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if(!b_all && !no_cat && !b_inactive && selected_category[0] == '/') {
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std::string str = selected_category.ascii();
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str.erase(str.begin());
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for(size_t i = 0; i < CALCULATOR->variables.size(); i++) {
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if(CALCULATOR->variables[i]->isActive() && CALCULATOR->variables[i]->category().substr(0, selected_category.length() - 1) == str) {
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addVariableTreeItem(CALCULATOR->variables[i]);
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}
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}
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} else {
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std::string str = selected_category.ascii();
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for(size_t i = 0; i < CALCULATOR->variables.size(); i++) {
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if((b_inactive && !CALCULATOR->variables[i]->isActive()) || (CALCULATOR->variables[i]->isActive() && (b_all || (no_cat && CALCULATOR->variables[i]->category().empty()) || (!b_inactive && CALCULATOR->variables[i]->category() == str)))) {
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addVariableTreeItem(CALCULATOR->variables[i]);
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}
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}
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}
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if(!selected_variable || !variableView->selectedItem()) {
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TQListViewItemIterator it(variableView);
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if(it.current())
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variableView->setSelected(it.current(), true);
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}
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}
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#include "qalculatevariablesdialog.moc"
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