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493 lines
16 KiB
493 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 "qalculateeditmatrixvectordialog.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 <tqspinbox.h>
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#include <tqlayout.h>
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#include <tqbuttongroup.h>
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#include <tqradiobutton.h>
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#include <tqtable.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 variable_cats;
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class QalculateEditMatrixVectorTableItem : public TQTableItem {
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public:
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QalculateEditMatrixVectorTableItem(TQTable *table);
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QalculateEditMatrixVectorTableItem(TQTable *table, const TQString & text);
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int alignment() const;
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};
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class QalculateEditMatrixTable : public TQTable {
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public:
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QalculateEditMatrixTable(TQWidget *parent = 0, const char *name = 0) : TQTable(parent, name) {}
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QalculateEditMatrixTable(int numRows, int numCols, TQWidget *parent = 0, const char *name = 0) : TQTable(numRows, numCols, parent, name) {}
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TQWidget *beginEdit(int row, int col, bool replace) {
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TQWidget *w = TQTable::beginEdit(row, col, replace);
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((TQLineEdit*) w)->selectAll();
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return w;
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}
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};
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QalculateEditMatrixVectorDialog::QalculateEditMatrixVectorDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Variable"), Ok | Cancel | Help, Ok, true) {
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names_edit_dialog = NULL;
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edited_variable = NULL;
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setMainWidget(new TQWidget(this));
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TQGridLayout *grid = new TQGridLayout(mainWidget(), 1, 1, 0, spacingHint());
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grid->addWidget(new TQLabel(i18n("Name:"), mainWidget()), 0, 0);
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nameEdit = new KLineEdit(mainWidget());
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grid->addWidget(nameEdit, 0, 1);
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TQHBoxLayout *hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 1, 1, 0, 1);
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namesLabel = new TQLabel(mainWidget());
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namesLabel->setAlignment(TQt::AlignRight);
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namesLabel->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Preferred);
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hbox->addWidget(namesLabel);
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namesButton = new TQPushButton(i18n("Names Details"), mainWidget());
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hbox->addWidget(namesButton);
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grid->addWidget(new TQLabel(i18n("Category:"), mainWidget()), 2, 0);
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categoryCombo = new KComboBox(mainWidget());
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categoryCombo->setEditable(true);
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grid->addWidget(categoryCombo, 2, 1);
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grid->addWidget(new TQLabel(i18n("Descriptive name:"), mainWidget()), 3, 0);
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titleEdit = new KLineEdit(mainWidget());
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grid->addWidget(titleEdit, 3, 1);
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grid->addWidget(new TQLabel(i18n("Rows:"), mainWidget()), 4, 0);
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rowsBox = new TQSpinBox(1, 1000, 1, mainWidget());
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grid->addWidget(rowsBox, 4, 1);
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grid->addWidget(new TQLabel(i18n("Columns:"), mainWidget()), 5, 0);
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columnsBox = new TQSpinBox(1, 1000, 1, mainWidget());
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grid->addWidget(columnsBox, 5, 1);
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hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 6, 6, 0, 1);
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hbox->addItem(new TQSpacerItem(0, 0, TQSizePolicy::Expanding, TQSizePolicy::Minimum));
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TQButtonGroup *group = new TQButtonGroup();
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matrixButton = new TQRadioButton(i18n("Matrix"), mainWidget());
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group->insert(matrixButton, 0);
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hbox->addWidget(matrixButton);
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vectorButton = new TQRadioButton(i18n("Vector"), mainWidget());
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group->insert(vectorButton, 1);
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hbox->addWidget(vectorButton);
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elementsLabel = new TQLabel(i18n("Elements:"), mainWidget());
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grid->addMultiCellWidget(elementsLabel, 7, 7, 0, 1);
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elementsTable = new QalculateEditMatrixTable(0, 0, mainWidget());
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grid->addMultiCellWidget(elementsTable, 8, 8, 0, 1);
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connect(namesButton, SIGNAL(clicked()), this, SLOT(editNames()));
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connect(nameEdit, SIGNAL(textChanged(const TQString&)), this, SLOT(nameChanged(const TQString&)));
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connect(rowsBox, SIGNAL(valueChanged(int)), this, SLOT(rowsChanged(int)));
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connect(columnsBox, SIGNAL(valueChanged(int)), this, SLOT(columnsChanged(int)));
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connect(group, SIGNAL(clicked(int)), this, SLOT(typeChanged(int)));
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}
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QalculateEditMatrixVectorDialog::~QalculateEditMatrixVectorDialog() {}
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void QalculateEditMatrixVectorDialog::slotHelp() {
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TDEApplication::kApplication()->invokeHelp("qalculate-vectors-matrices");
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}
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void QalculateEditMatrixVectorDialog::typeChanged(int i) {
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if(i == 0) {
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elementsLabel->setText(i18n("Elements:"));
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bool b = true;
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for(int index_r = elementsTable->numRows() - 1; index_r >= 0 && b; index_r--) {
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for(int index_c = elementsTable->numCols() - 1; index_c >= 0; index_c--) {
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if(elementsTable->text(index_r, index_c).isEmpty()) {
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elementsTable->setText(index_r, index_c, "0");
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} else {
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b = false;
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break;
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}
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}
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}
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} else {
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elementsLabel->setText(i18n("Elements (in horizontal order):"));
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}
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}
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void QalculateEditMatrixVectorDialog::rowsChanged(int i) {
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int r = elementsTable->numRows();
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elementsTable->setNumRows(i);
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bool b = matrixButton->isChecked();
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for(int index_r = r; index_r < i; index_r++) {
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for(int index_c = 0; index_c < elementsTable->numCols(); index_c++) {
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if(b) elementsTable->setItem(index_r, index_c, new QalculateEditMatrixVectorTableItem(elementsTable, "0"));
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else elementsTable->setItem(index_r, index_c, new QalculateEditMatrixVectorTableItem(elementsTable));
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}
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}
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}
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void QalculateEditMatrixVectorDialog::columnsChanged(int i) {
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int c = elementsTable->numCols();
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elementsTable->setNumCols(i);
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bool b = matrixButton->isChecked();
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for(int index_r = 0; index_r < elementsTable->numRows(); index_r++) {
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for(int index_c = c; index_c < i; index_c++) {
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if(b) elementsTable->setItem(index_r, index_c, new QalculateEditMatrixVectorTableItem(elementsTable, "0"));
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else elementsTable->setItem(index_r, index_c, new QalculateEditMatrixVectorTableItem(elementsTable));
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}
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}
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}
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KnownVariable *QalculateEditMatrixVectorDialog::newVector(TQString category) {
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return editVariable(category, NULL, NULL, false, true);
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}
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KnownVariable *QalculateEditMatrixVectorDialog::newMatrix(TQString category) {
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return editVariable(category, NULL, NULL, false, false);
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}
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void QalculateEditMatrixVectorDialog::slotOk() {
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std::string str = nameEdit->text().ascii();
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remove_blank_ends(str);
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if(str.empty() && (!names_edit_dialog || names_edit_dialog->isEmpty())) {
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//no name -- open dialog again
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nameEdit->setFocus();
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KMessageBox::error(this, i18n("Empty name field"));
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return;
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}
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//variable with the same name exists -- overwrite or open dialog again
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if((!edited_variable || !edited_variable->hasName(str)) && (!names_edit_dialog || names_edit_dialog->isEmpty()) && CALCULATOR->variableNameTaken(str, edited_variable) && KMessageBox::questionYesNo(this, i18n("An unit or variable with the same name already exists.\nDo you want to overwrite it?")) == KMessageBox::No) {
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nameEdit->setFocus();
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return;
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}
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KnownVariable *v = edited_variable;
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if(!v) {
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//no need to create a new variable when a variable with the same name exists
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Variable *var = CALCULATOR->getActiveVariable(str);
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if(var && var->isLocal() && var->isKnown()) v = (KnownVariable*) var;
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}
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MathStructure mstruct_new;
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if(!init_value) {
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int r = rowsBox->value();
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int c = columnsBox->value();
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if(vectorButton->isChecked()) {
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mstruct_new.clearVector();
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std::string str2;
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for(int index_r = 0; index_r < r; index_r++) {
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for(int index_c = 0; index_c < c; index_c++) {
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if(!elementsTable->text(index_r, index_c).isEmpty()) {
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str2 = elementsTable->text(index_r, index_c).ascii();
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remove_blank_ends(str2);
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if(!str2.empty()) {
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mstruct_new.addChild(CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(str2, evalops.parse_options)));
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}
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}
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}
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}
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} else {
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mstruct_new.clearMatrix();
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mstruct_new.resizeMatrix(r, c, m_undefined);
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for(int index_r = 0; index_r < r; index_r++) {
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for(int index_c = 0; index_c < c; index_c++) {
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if(elementsTable->text(index_r, index_c).isEmpty()) mstruct_new.setElement(m_zero, index_r + 1, index_c + 1);
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else mstruct_new.setElement(CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(elementsTable->text(index_r, index_c).ascii(), evalops.parse_options)), index_r + 1, index_c + 1);
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}
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}
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}
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}
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bool add_var = false;
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if(v) {
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//update existing variable
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v->setLocal(true);
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if(!v->isBuiltin()) {
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if(init_value) {
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v->set(*init_value);
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} else {
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v->set(mstruct_new);
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}
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}
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} else {
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//new variable
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if(force_init_value && init_value) {
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//forced value
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v = new KnownVariable("", "", *init_value, "", true);
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} else {
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v = new KnownVariable("", "", mstruct_new, "", true);
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}
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add_var = true;
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}
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v->setCategory(categoryCombo->lineEdit()->text().ascii());
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v->setTitle(titleEdit->text().ascii());
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if(!v->isBuiltin()) {
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if(names_edit_dialog) {
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names_edit_dialog->saveNames(v, str.c_str());
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} else {
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if(v->countNames() == 0) {
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ExpressionName ename(str);
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ename.reference = true;
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v->setName(ename, 1);
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} else {
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v->setName(str, 1);
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}
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}
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}
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if(add_var) {
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CALCULATOR->addVariable(v);
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}
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edited_variable = v;
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accept();
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}
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KnownVariable *QalculateEditMatrixVectorDialog::editVariable(TQString category, KnownVariable *v, MathStructure *initial_value, bool force_value, bool create_vector) {
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nameEdit->setFocus();
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if((v && !v->get().isVector()) || (initial_value && !initial_value->isVector())) {
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return NULL;
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}
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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_variable = v;
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if(initial_value) {
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create_vector = !initial_value->isMatrix();
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} else if(v) {
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create_vector = !v->get().isMatrix();
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}
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if(create_vector) {
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vectorButton->setChecked(true);
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elementsLabel->setText(i18n("Elements (in horizontal order):"));
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} else {
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matrixButton->setChecked(true);
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elementsLabel->setText(i18n("Elements:"));
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}
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if(create_vector) {
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if(v) {
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if(v->isLocal())
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setCaption(i18n("Edit Vector"));
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else
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setCaption(i18n("Edit Vector (global)"));
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} else {
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setCaption(i18n("New Vector"));
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}
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} else {
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if(v) {
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if(v->isLocal())
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setCaption(i18n("Edit Matrix"));
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else
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setCaption(i18n("Edit Matrix (global)"));
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} else {
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setCaption(i18n("New Matrix"));
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}
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}
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actionButton(Ok)->setEnabled(true);
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namesLabel->setText("");
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//TQStringList cats;
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TQString catstr;
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categoryCombo->clear();
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tree_struct *item, *item2;
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variable_cats.it = variable_cats.items.begin();
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if(variable_cats.it != variable_cats.items.end()) {
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item = &*variable_cats.it;
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++variable_cats.it;
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item->it = item->items.begin();
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} else {
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item = NULL;
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}
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catstr = "";
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while(item) {
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if(!catstr.isEmpty()) catstr += "/";
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catstr += item->item.c_str();
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categoryCombo->insertItem(catstr);
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while(item && item->it == item->items.end()) {
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int str_i = catstr.findRev("/");
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if(str_i < 0) {
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catstr = "";
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} else {
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catstr.truncate(str_i);
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}
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item = item->parent;
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}
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if(item) {
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item2 = &*item->it;
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++item->it;
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item = item2;
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item->it = item->items.begin();
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}
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}
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int r = 4, c = 4;
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const MathStructure *old_vctr = NULL;
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if(v) {
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if(create_vector) {
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old_vctr = &v->get();
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} else {
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c = v->get().columns();
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r = v->get().rows();
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}
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set_name_label_and_entry(v, nameEdit, namesLabel);
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nameEdit->setReadOnly(v->isBuiltin());
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rowsBox->setEnabled(!v->isBuiltin());
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columnsBox->setEnabled(!v->isBuiltin());
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matrixButton->setEnabled(!v->isBuiltin());
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vectorButton->setEnabled(!v->isBuiltin());
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elementsTable->setReadOnly(v->isBuiltin());
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categoryCombo->lineEdit()->setText(v->category().c_str());
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titleEdit->setText(v->title(false).c_str());
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} else {
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nameEdit->setReadOnly(false);
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rowsBox->setEnabled(true);
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columnsBox->setEnabled(true);
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matrixButton->setEnabled(true);
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vectorButton->setEnabled(true);
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elementsTable->setReadOnly(false);
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//fill in default values
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nameEdit->setText(CALCULATOR->getName().c_str());
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namesLabel->setText("");
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categoryCombo->lineEdit()->setText(category);
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titleEdit->setText("");
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if(force_value) {
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if(create_vector) {
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old_vctr = initial_value;
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} else {
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c = initial_value->columns();
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r = initial_value->rows();
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}
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rowsBox->setEnabled(false);
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columnsBox->setEnabled(false);
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matrixButton->setEnabled(false);
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vectorButton->setEnabled(false);
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elementsTable->setReadOnly(true);
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}
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}
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if(create_vector) {
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if(old_vctr) {
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r = old_vctr->countChildren();
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c = (int) ::sqrt(r) + 4;
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if(r % c > 0) {
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r = r / c + 1;
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} else {
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r = r / c;
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}
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} else {
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c = 4;
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r = 4;
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}
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}
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rowsBox->setValue(r);
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columnsBox->setValue(c);
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elementsTable->setNumRows(r);
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elementsTable->setNumCols(c);
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int timeout;
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if(force_value) timeout = 3000 / (r * c);
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else timeout = 3000;
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PrintOptions po;
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po.number_fraction_format = FRACTION_DECIMAL_EXACT;
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for(int index_r = 0; index_r < r; index_r++) {
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for(int index_c = 0; index_c < c; index_c++) {
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if(create_vector) {
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if(old_vctr && index_r * c + index_c < (int) old_vctr->countChildren()) {
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elementsTable->setText(index_r, index_c, old_vctr->getChild(index_r * c + index_c + 1)->print(po).c_str());
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} else {
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elementsTable->setText(index_r, index_c, "");
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}
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} else {
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if(v) {
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elementsTable->setText(index_r, index_c, v->get().getElement(index_r + 1, index_c + 1)->print(po).c_str());
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} else if(initial_value) {
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elementsTable->setText(index_r, index_c, initial_value->getElement(index_r + 1, index_c + 1)->print(po).c_str());
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} else {
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elementsTable->setText(index_r, index_c, "0");
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}
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}
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}
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}
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init_value = initial_value;
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force_init_value = force_value;
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if(exec() == TQDialog::Accepted) {
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v = edited_variable;
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edited_variable = NULL;
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return v;
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}
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edited_variable = NULL;
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return NULL;
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}
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void QalculateEditMatrixVectorDialog::editNames() {
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if(!names_edit_dialog) {
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names_edit_dialog = new QalculateEditNamesDialog(TYPE_VARIABLE, this);
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names_edit_dialog->setNames(edited_variable, nameEdit->text(), false);
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} else {
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names_edit_dialog->setNames(edited_variable, 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 QalculateEditMatrixVectorDialog::nameChanged(const TQString &name) {
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if(name.isNull()) return;
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if(!CALCULATOR->variableNameIsValid(name.ascii())) {
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nameEdit->blockSignals(true);
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nameEdit->setText(CALCULATOR->convertToValidVariableName(name.ascii()).c_str());
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nameEdit->blockSignals(false);
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}
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}
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#if TQT_VERSION >= 0x030200
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QalculateEditMatrixVectorTableItem::QalculateEditMatrixVectorTableItem(TQTable *table) : TQTableItem(table, TQTableItem::OnTyping) {}
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#else
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QalculateEditMatrixVectorTableItem::QalculateEditMatrixVectorTableItem(TQTable *table) : TQTableItem(table, TQTableItem::OnTyping, TQString::null) {}
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#endif
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QalculateEditMatrixVectorTableItem::QalculateEditMatrixVectorTableItem(TQTable *table, const TQString & text) : TQTableItem(table, TQTableItem::OnTyping, text) {}
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int QalculateEditMatrixVectorTableItem::alignment() const {return TQt::AlignRight;}
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#include "qalculateeditmatrixvectordialog.moc"
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