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/***************************************************************************
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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 "qalculateinsertmatrixvectordialog.h"
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#include "qalculate_tde_utils.h"
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#include <tqtable.h>
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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 <tdeapplication.h>
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#include <tdeversion.h>
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#include <kstdguiitem.h>
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extern PrintOptions printops;
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class QalculateInsertMatrixTableItem : public TQTableItem {
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public:
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QalculateInsertMatrixTableItem(TQTable *table);
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QalculateInsertMatrixTableItem(TQTable *table, const TQString & text);
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int alignment() const;
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};
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class QalculateInsertMatrixTable : public TQTable {
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public:
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QalculateInsertMatrixTable(TQWidget *parent = 0, const char *name = 0) : TQTable(parent, name) {}
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QalculateInsertMatrixTable(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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QalculateInsertMatrixVectorDialog::QalculateInsertMatrixVectorDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, true, i18n("Edit Variable"), Ok | Cancel | User1, Ok, true, KGuiItem(i18n("Insert Selection"))) {
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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("Rows:"), mainWidget()), 0, 0);
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rowsBox = new TQSpinBox(1, 1000, 1, mainWidget());
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grid->addWidget(rowsBox, 0, 1);
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grid->addWidget(new TQLabel(i18n("Columns:"), mainWidget()), 1, 0);
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columnsBox = new TQSpinBox(1, 1000, 1, mainWidget());
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grid->addWidget(columnsBox, 1, 1);
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TQHBoxLayout *hbox = new TQHBoxLayout(0, 0, spacingHint());
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grid->addMultiCellLayout(hbox, 2, 2, 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, 3, 3, 0, 1);
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elementsTable = new QalculateInsertMatrixTable(0, 0, mainWidget());
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grid->addMultiCellWidget(elementsTable, 4, 4, 0, 1);
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elementsTable->setSelectionMode(TQTable::Single);
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insertSelectionButton = actionButton(User1);
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onSelectionChanged();
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connect(insertSelectionButton, SIGNAL(clicked()), this, SLOT(insertSelection()));
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connect(elementsTable, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
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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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QalculateInsertMatrixVectorDialog::~QalculateInsertMatrixVectorDialog() {}
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void QalculateInsertMatrixVectorDialog::onSelectionChanged() {
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insertSelectionButton->setEnabled(elementsTable->currentSelection() >= 0);
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}
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void QalculateInsertMatrixVectorDialog::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 QalculateInsertMatrixVectorDialog::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 QalculateInsertMatrixTableItem(elementsTable, "0"));
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else elementsTable->setItem(index_r, index_c, new QalculateInsertMatrixTableItem(elementsTable));
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}
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}
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}
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void QalculateInsertMatrixVectorDialog::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 QalculateInsertMatrixTableItem(elementsTable, "0"));
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else elementsTable->setItem(index_r, index_c, new QalculateInsertMatrixTableItem(elementsTable));
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}
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}
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}
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TQString QalculateInsertMatrixVectorDialog::newVector() {
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return editMatrixVector(NULL, true);
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}
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TQString QalculateInsertMatrixVectorDialog::newMatrix() {
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return editMatrixVector(NULL, false);
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}
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void QalculateInsertMatrixVectorDialog::slotOk() {
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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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bool b = false;
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matrixstr = "[";
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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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TQString str2 = elementsTable->text(index_r, index_c).stripWhiteSpace();
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if(!str2.isEmpty()) {
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if(b) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b = true;
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}
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matrixstr += str2;
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}
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}
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}
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}
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matrixstr += "]";
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} else {
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matrixstr = "[";
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bool b1 = false;
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for(int index_r = 0; index_r < r; index_r++) {
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if(b1) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b1 = true;
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}
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matrixstr += "[";
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bool b2 = false;
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for(int index_c = 0; index_c < c; index_c++) {
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if(b2) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b2 = true;
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}
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matrixstr += elementsTable->text(index_r, index_c).stripWhiteSpace();
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}
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matrixstr += "]";
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}
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matrixstr += "]";
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}
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accept();
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}
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void QalculateInsertMatrixVectorDialog::insertSelection() {
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TQTableSelection sel = elementsTable->selection(elementsTable->currentSelection());
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if(vectorButton->isChecked()) {
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bool b = false;
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matrixstr = "[";
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for(int index_r = sel.topRow(); index_r <= sel.bottomRow(); index_r++) {
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for(int index_c = sel.leftCol(); index_c <= sel.rightCol(); index_c++) {
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if(!elementsTable->text(index_r, index_c).isEmpty()) {
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TQString str2 = elementsTable->text(index_r, index_c).stripWhiteSpace();
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if(!str2.isEmpty()) {
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if(b) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b = true;
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}
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matrixstr += str2;
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}
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}
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}
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}
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matrixstr += "]";
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} else {
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matrixstr = "[";
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bool b1 = false;
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for(int index_r = sel.topRow(); index_r <= sel.bottomRow(); index_r++) {
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if(b1) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b1 = true;
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}
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matrixstr += "[";
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bool b2 = false;
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for(int index_c = sel.leftCol(); index_c <= sel.rightCol(); index_c++) {
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if(b2) {
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matrixstr += CALCULATOR->getComma().c_str();
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matrixstr += " ";
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} else {
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b2 = true;
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}
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matrixstr += elementsTable->text(index_r, index_c).stripWhiteSpace();
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}
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matrixstr += "]";
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}
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matrixstr += "]";
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}
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accept();
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}
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TQString QalculateInsertMatrixVectorDialog::editMatrixVector(const MathStructure *initial_value, bool create_vector, bool is_text_struct, bool is_result) {
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if(initial_value && !initial_value->isVector()) {
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return NULL;
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}
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if(initial_value) {
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create_vector = !initial_value->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(is_result) {
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#if TDE_VERSION_MAJOR < 4 && TDE_VERSION_MINOR < 2
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setButtonOKText(i18n("Insert"));
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setButtonCancelText(KStdGuiItem::close().text());
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#else
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#if TDE_VERSION_MAJOR < 4 && TDE_VERSION_MINOR < 3
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setButtonOK(KGuiItem(i18n("Insert")));
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#else
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setButtonOK(KStdGuiItem::insert());
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#endif
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setButtonCancel(KStdGuiItem::close());
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#endif
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actionButton(Cancel)->setDefault(true);
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actionButton(Cancel)->setFocus();
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if(create_vector) {
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setCaption(i18n("Vector Result"));
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} else {
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setCaption(i18n("Matrix Result"));
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}
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} else {
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#if TDE_VERSION_MAJOR < 4 && TDE_VERSION_MINOR < 2
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setButtonOKText(KStdGuiItem::ok().text());
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setButtonCancelText(KStdGuiItem::cancel().text());
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#else
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setButtonOK(KStdGuiItem::ok());
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setButtonCancel(KStdGuiItem::cancel());
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#endif
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actionButton(Ok)->setDefault(true);
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elementsTable->setFocus();
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if(create_vector) {
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setCaption(i18n("Vector"));
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} else {
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setCaption(i18n("Matrix"));
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}
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}
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int r = 4, c = 4;
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if(create_vector) {
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if(initial_value) {
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r = initial_value->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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} else if(initial_value) {
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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->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(initial_value) timeout = 3000 / (r * c);
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else timeout = 3000;
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printops.can_display_unicode_string_arg = (void*) elementsTable;
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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(initial_value && index_r * c + index_c < (int) initial_value->countChildren()) {
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if(is_text_struct) elementsTable->setText(index_r, index_c, initial_value->getChild(index_r * c + index_c + 1)->symbol().c_str());
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else elementsTable->setText(index_r, index_c, initial_value->getChild(index_r * c + index_c + 1)->print(printops).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(initial_value) {
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if(is_text_struct) elementsTable->setText(index_r, index_c, initial_value->getElement(index_r + 1, index_c + 1)->symbol().c_str());
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else elementsTable->setText(index_r, index_c, initial_value->getElement(index_r + 1, index_c + 1)->print(printops).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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printops.can_display_unicode_string_arg = NULL;
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matrixstr = "";
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onSelectionChanged();
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exec();
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return matrixstr;
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}
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#if TQT_VERSION >= 0x030200
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QalculateInsertMatrixTableItem::QalculateInsertMatrixTableItem(TQTable *table) : TQTableItem(table, TQTableItem::OnTyping) {}
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#else
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QalculateInsertMatrixTableItem::QalculateInsertMatrixTableItem(TQTable *table) : TQTableItem(table, TQTableItem::OnTyping, TQString::null) {}
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#endif
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QalculateInsertMatrixTableItem::QalculateInsertMatrixTableItem(TQTable *table, const TQString & text) : TQTableItem(table, TQTableItem::OnTyping, text) {}
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int QalculateInsertMatrixTableItem::alignment() const {return TQt::AlignRight;}
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#include "qalculateinsertmatrixvectordialog.moc"
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