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206 lines
6.8 KiB
206 lines
6.8 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 "qalculateconvertunitsdialog.h"
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#include "qalculate_tde_utils.h"
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#include <tqlabel.h>
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#include <klineedit.h>
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#include <klocale.h>
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#include <tqhbox.h>
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#include <klistview.h>
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#include <klocale.h>
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#include <tqvbox.h>
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#include <klistview.h>
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#include <kmessagebox.h>
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#include <tqlayout.h>
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#include <tqpushbutton.h>
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#include <tqsplitter.h>
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extern tree_struct unit_cats;
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extern vector<void*> ia_units;
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extern PrintOptions printops;
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extern EvaluationOptions evalops;
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QalculateConvertUnitsDialog::QalculateConvertUnitsDialog(TQWidget *parent, const char *name) : KDialogBase(parent, name, false, i18n("Convert"), Ok | Apply | Cancel | Details, Ok, true) {
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setButtonText(Details, i18n("Selector"));
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selected_category = "";
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block_unit_convert = true;
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TQVBox *box = makeVBoxMainWidget();
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new TQLabel(i18n("Unit expression:"), box);
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unitExpressionEdit = new KLineEdit(box);
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TQVBox *box_d = new TQVBox(this);
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box_d->setSpacing(spacingHint());
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new TQWidget(box_d);
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TQSplitter *splitter = new TQSplitter(TQt::Vertical, box_d);
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splitter->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Expanding);
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setDetailsWidget(box_d);
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categoryView = new KListView(splitter);
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categoryView->addColumn(i18n("Category"));
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categoryView->setRootIsDecorated(false);
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categoryView->setFullWidth(true);
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unitView = new KListView(splitter);
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unitView->addColumn(i18n("Unit"));
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unitView->setRootIsDecorated(false);
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unitView->setFullWidth(true);
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unitExpressionEdit->setFocus();
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connect(unitView, SIGNAL(selectionChanged()), this, SLOT(unitSelected()));
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connect(categoryView, SIGNAL(selectionChanged()), this, SLOT(categorySelected()));
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}
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QalculateConvertUnitsDialog::~QalculateConvertUnitsDialog() {}
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void QalculateConvertUnitsDialog::updateUnitTree() {
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unitItems.clear();
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categoryItems.clear();
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categoryView->clear();
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TQListViewItem *i = new KListViewItem(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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unit_cats.it = unit_cats.items.begin();
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if(unit_cats.it != unit_cats.items.end()) {
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item = &*unit_cats.it;
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++unit_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 KListViewItem(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(!unit_cats.objects.empty()) {
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//add "Uncategorized" category if there are units without category
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i = new KListViewItem(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(!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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void QalculateConvertUnitsDialog::unitSelected() {
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TQListViewItem *selected = unitView->selectedItem();
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if(selected) {
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Unit *u = unitItems[selected];
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if(!CALCULATOR->stillHasUnit(u)) {
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KMessageBox::error(this, i18n("Unit does not exist anymore."));
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emit unitsChanged();
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return;
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}
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unitExpressionEdit->setText(u->print(false, printops.abbreviate_names, printops.use_unicode_signs, &can_display_unicode_string_function, (void*) unitExpressionEdit).c_str());
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unitView->selectAll(false);
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if(!block_unit_convert) actionButton(Apply)->animateClick();
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}
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}
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void QalculateConvertUnitsDialog::addUnitTreeItem(Unit *u) {
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TQListViewItem *i = new KListViewItem(unitView, u->title(true).c_str());
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unitItems[i] = u;
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}
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void QalculateConvertUnitsDialog::categorySelected() {
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block_unit_convert = true;
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TQListViewItem *selected = categoryView->selectedItem();
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bool no_cat = false, b_all = false;
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unitView->clear();
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unitItems.clear();
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if(!selected) {
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selected_category = "";
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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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}
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if(!b_all && !no_cat && selected_category[0] == '/') {
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string str = selected_category.ascii();
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str.erase(str.begin());
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for(size_t i = 0; i < CALCULATOR->units.size(); i++) {
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if(CALCULATOR->units[i]->isActive() && !CALCULATOR->units[i]->isHidden() && CALCULATOR->units[i]->category().substr(0, selected_category.length() - 1) == str) {
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addUnitTreeItem(CALCULATOR->units[i]);
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}
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}
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} else {
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string str = selected_category.ascii();
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for(size_t i = 0; i < CALCULATOR->units.size(); i++) {
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if(CALCULATOR->units[i]->isActive() && !CALCULATOR->units[i]->isHidden() && (b_all || (no_cat && CALCULATOR->units[i]->category().empty()) || CALCULATOR->units[i]->category() == str)) {
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addUnitTreeItem(CALCULATOR->units[i]);
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}
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}
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}
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block_unit_convert = false;
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}
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#include "qalculateconvertunitsdialog.moc"
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