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421 lines
12 KiB
421 lines
12 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <tqlayout.h>
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#include <tqhbox.h>
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#include <tqlabel.h>
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#include <tqregexp.h>
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#include <tqmetaobject.h>
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#include <tqstrlist.h>
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#include <kpushbutton.h>
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#include <kiconloader.h>
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#include <kmessagebox.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include "kexitableview.h"
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#include "kexitableviewdata.h"
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#include "events.h"
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#include "form.h"
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#include "formmanager.h"
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#include "objecttree.h"
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#include "connectiondialog.h"
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namespace KFormDesigner {
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/////////////////////////////////////////////////////////////////////////////////
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///////////// The dialog to edit or add/remove connections //////////////////////
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/////////////////////////////////////////////////////////////////////////////////
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ConnectionDialog::ConnectionDialog(TQWidget *parent)
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: KDialogBase(parent, "connections_dialog", true, i18n("Edit Form Connections"),
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Ok|Cancel|Details, Ok, false)
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, m_buffer(0)
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{
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TQFrame *frame = makeMainWidget();
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TQHBoxLayout *tqlayout = new TQHBoxLayout(frame, 0, 6);
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// Setup the details widget /////////
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TQHBox *details = new TQHBox(frame);
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setDetailsWidget(details);
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setDetails(true);
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m_pixmapLabel = new TQLabel(details);
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m_pixmapLabel->setFixedWidth( int(IconSize(KIcon::Desktop) * 1.5) );
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m_pixmapLabel->tqsetAlignment(AlignHCenter | AlignTop);
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m_textLabel = new TQLabel(details);
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m_textLabel->tqsetAlignment(AlignLeft | AlignTop);
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//setStatusOk();
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// And the KexiTableView ////////
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m_data = new KexiTableViewData();
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m_table = new KexiTableView(0, frame, "connections_tableview");
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m_table->setSpreadSheetMode();
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m_table->setInsertingEnabled(true);
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initTable();
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m_table->setData(m_data, false);
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m_table->adjustColumnWidthToContents(0);
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tqlayout->addWidget(m_table);
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//// Setup the icon toolbar /////////////////
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TQVBoxLayout *vtqlayout = new TQVBoxLayout(tqlayout, 3);
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KPushButton *newItem = new KPushButton(SmallIconSet("filenew"), i18n("&New Connection"), frame);
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vtqlayout->addWidget(newItem);
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m_buttons.insert(BAdd, newItem);
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connect(newItem, TQT_SIGNAL(clicked()), this, TQT_SLOT(newItem()));
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KPushButton *delItem = new KPushButton(SmallIconSet("editdelete"), i18n("&Remove Connection"), frame);
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vtqlayout->addWidget(delItem);
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m_buttons.insert(BRemove, delItem);
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connect(delItem, TQT_SIGNAL(clicked()), this, TQT_SLOT(removeItem()));
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vtqlayout->addStretch();
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setInitialSize(TQSize(600, 300));
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//setWFlags(WDestructiveClose);
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connect(m_table,TQT_SIGNAL(cellSelected(int, int)), this, TQT_SLOT(slotCellSelected(int, int)));
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connect(m_table->KexiDataAwareObjectInterface::data(), TQT_SIGNAL(rowInserted(KexiTableItem*,bool)), this, TQT_SLOT(slotRowInserted(KexiTableItem*,bool)));
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this->newItem();
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}
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void
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ConnectionDialog::initTable()
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{
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KexiTableViewColumn *col0 = new KexiTableViewColumn(i18n("OK?"), KexiDB::Field::Text);
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col0->field()->setSubType("KIcon");
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col0->setReadOnly(true);
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col0->field()->setDescription(i18n("Connection correctness"));
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m_data->addColumn(col0);
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KexiTableViewColumn *col1 = new KexiTableViewColumn(i18n("Sender"), KexiDB::Field::Enum);
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m_widgetsColumnData = new KexiTableViewData(KexiDB::Field::Text, KexiDB::Field::Text);
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col1->setRelatedData( m_widgetsColumnData );
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m_data->addColumn(col1);
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KexiTableViewColumn *col2 = new KexiTableViewColumn(i18n("Signal"), KexiDB::Field::Enum);
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m_signalsColumnData = new KexiTableViewData(KexiDB::Field::Text, KexiDB::Field::Text);
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col2->setRelatedData( m_signalsColumnData );
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m_data->addColumn(col2);
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KexiTableViewColumn *col3 = new KexiTableViewColumn(i18n("Receiver"), KexiDB::Field::Enum);
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col3->setRelatedData( m_widgetsColumnData );
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m_data->addColumn(col3);
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KexiTableViewColumn *col4 = new KexiTableViewColumn(i18n("Slot"), KexiDB::Field::Enum);
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m_slotsColumnData = new KexiTableViewData(KexiDB::Field::Text, KexiDB::Field::Text);
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col4->setRelatedData( m_slotsColumnData );
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m_data->addColumn(col4);
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TQValueList<int> c;
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c << 2 << 4;
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m_table->maximizeColumnsWidth(c);
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m_table->setColumnStretchEnabled( true, 4 );
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connect(m_data, TQT_SIGNAL(aboutToChangeCell(KexiTableItem*, int, TQVariant&, KexiDB::ResultInfo*)),
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this,TQT_SLOT(slotCellChanged(KexiTableItem*, int, TQVariant, KexiDB::ResultInfo*)));
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connect(m_data, TQT_SIGNAL(rowUpdated(KexiTableItem*)), this, TQT_SLOT(checkConnection(KexiTableItem *)));
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connect(m_table, TQT_SIGNAL(itemSelected(KexiTableItem *)), this, TQT_SLOT(checkConnection(KexiTableItem *)));
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}
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void
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ConnectionDialog::exec(Form *form)
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{
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m_form = form;
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updateTableData();
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KDialogBase::exec();
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}
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void ConnectionDialog::slotCellSelected(int col, int row)
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{
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m_buttons[BRemove]->setEnabled( row < m_table->rows() );
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KexiTableItem *item = m_table->itemAt(row);
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if (!item)
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return;
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if(col == 2) // signal col
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updateSignalList(item);
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else if(col == 4) // slot col
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updateSlotList(item);
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}
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void ConnectionDialog::slotRowInserted(KexiTableItem* item,bool)
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{
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m_buffer->append(new Connection());
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checkConnection( item );
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}
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void
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ConnectionDialog::slotOk()
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{
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// First we update our buffer contents
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for(int i=0; i < m_table->rows(); i++)
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{
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KexiTableItem *item = m_table->itemAt(i);
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Connection *c = m_buffer->at(i);
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c->setSender( (*item)[1].toString() );
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c->setSignal( (*item)[2].toString() );
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c->setReceiver( (*item)[3].toString() );
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c->setSlot( (*item)[4].toString() );
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}
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// then me make it replace form's current one
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delete m_form->connectionBuffer();
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m_form->setConnectionBuffer(m_buffer);
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TQDialog::accept();
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}
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void
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ConnectionDialog::updateTableData()
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{
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// First we update the columns data
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ObjectTreeDict *dict = new ObjectTreeDict( *(m_form->objectTree()->dict()) );
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ObjectTreeDictIterator it(*dict);
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for(; it.current(); ++it)
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{
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KexiTableItem *item = m_widgetsColumnData->createItem(); //new KexiTableItem(2);
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(*item)[0] = it.current()->name();
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(*item)[1] = (*item)[0];
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m_widgetsColumnData->append(item);
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}
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delete dict;
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// Then we fill the columns with the form connections
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for(Connection *c = m_form->connectionBuffer()->first(); c ; c = m_form->connectionBuffer()->next())
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{
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KexiTableItem *item = m_table->KexiDataAwareObjectInterface::data()->createItem(); //new KexiTableItem(5);
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(*item)[1] = c->sender();
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(*item)[2] = c->signal();
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(*item)[3] = c->receiver();
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(*item)[4] = c->slot();
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m_table->insertItem(item, m_table->rows());
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}
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m_buffer = new ConnectionBuffer(*(m_form->connectionBuffer()));
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}
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void
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ConnectionDialog::setStatusOk(KexiTableItem *item)
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{
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m_pixmapLabel->setPixmap( DesktopIcon("button_ok") );
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m_textLabel->setText("<qt><h2>The connection is OK.</h2></qt>");
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if (!item)
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item = m_table->selectedItem();
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if (m_table->currentRow() >= m_table->rows())
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item = 0;
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if (item)
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(*item)[0] = "button_ok";
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else {
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m_pixmapLabel->setPixmap( TQPixmap() );
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m_textLabel->setText(TQString());
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}
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}
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void
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ConnectionDialog::setStatusError(const TQString &msg, KexiTableItem *item)
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{
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m_pixmapLabel->setPixmap( DesktopIcon("button_cancel") );
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m_textLabel->setText("<qt><h2>The connection is invalid.</h2></qt>" + msg);
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if (!item)
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item = m_table->selectedItem();
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if (m_table->currentRow() >= m_table->rows())
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item = 0;
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if (item)
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(*item)[0] = "button_cancel";
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else {
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m_pixmapLabel->setPixmap( TQPixmap() );
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m_textLabel->setText(TQString());
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}
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}
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void
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ConnectionDialog::slotCellChanged(KexiTableItem *item, int col, TQVariant&, KexiDB::ResultInfo*)
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{
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switch(col)
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{
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// sender changed, we clear siganl and slot
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case 1:
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(*item)[2] = TQString("");
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// signal or receiver changed, we clear the slot cell
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case 2:
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case 3:
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{
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(*item)[4] = TQString("");
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break;
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}
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default:
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break;
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}
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}
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void
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ConnectionDialog::updateSlotList(KexiTableItem *item)
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{
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m_slotsColumnData->deleteAllRows();
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TQString widget = (*item)[1].toString();
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TQString signal = (*item)[2].toString();
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if((widget.isEmpty()) || signal.isEmpty())
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return;
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ObjectTreeItem *tree = m_form->objectTree()->lookup(widget);
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if(!tree || !tree->widget())
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return;
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TQString signalArg(signal);
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signalArg = signalArg.remove( TQRegExp(".*[(]|[)]") );
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TQStrList slotList = tree->widget()->tqmetaObject()->slotNames(true);
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TQStrListIterator it(slotList);
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for(; it.current() != 0; ++it)
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{
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// we add the slot only if it is compatible with the signal
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TQString slotArg(*it);
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slotArg = slotArg.remove( TQRegExp(".*[(]|[)]") );
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if(!signalArg.tqstartsWith(slotArg, true) && (!signal.isEmpty())) // args not compatible
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continue;
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KexiTableItem *item = m_slotsColumnData->createItem(); //new KexiTableItem(2);
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(*item)[0] = TQString(*it);
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(*item)[1] = (*item)[0];
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m_slotsColumnData->append(item);
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}
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}
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void
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ConnectionDialog::updateSignalList(KexiTableItem *item)
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{
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ObjectTreeItem *tree = m_form->objectTree()->lookup((*item)[1].toString());
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if(!tree || !tree->widget())
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return;
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m_signalsColumnData->deleteAllRows();
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TQStrList signalList = tree->widget()->tqmetaObject()->signalNames(true);
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TQStrListIterator it(signalList);
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for(; it.current() != 0; ++it)
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{
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KexiTableItem *item = m_signalsColumnData->createItem(); //new KexiTableItem(2);
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(*item)[0] = TQString(*it);
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(*item)[1] = (*item)[0];
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m_signalsColumnData->append(item);
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}
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}
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void
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ConnectionDialog::checkConnection(KexiTableItem *item)
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{
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// First we check if one column is empty
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for(int i = 1; i < 5; i++)
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{
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if( !item || (*item)[i].toString().isEmpty())
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{
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setStatusError( i18n("<qt>You have not selected item: <b>%1</b>.</qt>").tqarg(m_data->column(i)->captionAliasOrName()),
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item);
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return;
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}
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}
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// Then we check if signal/slot args are compatible
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TQString signal = (*item)[2].toString();
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signal = signal.remove( TQRegExp(".*[(]|[)]") ); // just keep the args list
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TQString slot = (*item)[4].toString();
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slot = slot.remove( TQRegExp(".*[(]|[)]") );
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if(!signal.tqstartsWith(slot, true))
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{
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setStatusError( i18n("The signal/slot arguments are not compatible."), item);
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return;
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}
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setStatusOk(item);
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}
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void
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ConnectionDialog::newItem()
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{
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m_table->acceptRowEdit();
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m_table->setCursorPosition(m_table->rows(), 1);
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}
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void
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ConnectionDialog::newItemByDragnDrop()
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{
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KFormDesigner::FormManager::self()->startCreatingConnection();
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connect(KFormDesigner::FormManager::self(), TQT_SIGNAL(connectionAborted(KFormDesigner::Form*)), this, TQT_SLOT(slotConnectionAborted(KFormDesigner::Form*)));
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connect(KFormDesigner::FormManager::self(), TQT_SIGNAL(connectionCreated(KFormDesigner::Form*, Connection&)), this, TQT_SLOT(slotConnectionCreated(KFormDesigner::Form*, Connection&)) );
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hide();
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}
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void
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ConnectionDialog::slotConnectionCreated(KFormDesigner::Form *form, Connection &connection)
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{
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show();
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if(form != m_form)
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return;
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Connection *c = new Connection(connection);
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KexiTableItem *item = m_table->KexiDataAwareObjectInterface::data()->createItem(); //new KexiTableItem(5);
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(*item)[1] = c->sender();
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(*item)[2] = c->signal();
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(*item)[3] = c->receiver();
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(*item)[4] = c->slot();
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m_table->insertItem(item, m_table->rows());
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m_buffer->append(c);
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}
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void
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ConnectionDialog::slotConnectionAborted(KFormDesigner::Form *form)
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{
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show();
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if(form != m_form)
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return;
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newItem();
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}
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void
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ConnectionDialog::removeItem()
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{
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if(m_table->currentRow() == -1 || m_table->currentRow()>=m_table->rows())
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return;
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int confirm = KMessageBox::warningContinueCancel(parentWidget(),
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TQString("<qt>")+i18n("Do you want to delete this connection ?")+"</qt>", TQString(), KGuiItem(i18n("&Delete Connection")),
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"dontAskBeforeDeleteConnection"/*config entry*/);
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if(confirm == KMessageBox::Cancel)
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return;
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m_buffer->remove(m_table->currentRow());
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m_table->deleteItem(m_table->selectedItem());
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}
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}
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#include "connectiondialog.moc"
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