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/* This file is part of the KDE project
Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef FORMCONNECTIONDIALOG_H
#define FORMCONNECTIONDIALOG_H
#include <tqintdict.h>
#include <kdialogbase.h>
namespace KexiDB {
class ResultInfo;
}
class TQLabel;
class TQButton;
class KexiTableView;
class KexiTableViewData;
class KexiTableItem;
namespace KFormDesigner {
class Form;
class ConnectionBuffer;
class Connection;
/*! This dialog is used to edit the connections of a form. It uses KexiTableView for this. There is also a details widget (icon + text)) that shows correctness
of current connection. */
class KFORMEDITOR_EXPORT ConnectionDialog : public KDialogBase
{
TQ_OBJECT
public:
ConnectionDialog(TQWidget *parent);
~ConnectionDialog() {;}
/*! Displays as modal dialog, to edit connections in Form::connectionBuffer(). */
void exec(Form *form);
protected:
/*! Used when connection is ok. Displays a message in details widget and changes icon in 'OK?' column. */
void setStatusOk(KexiTableItem *item = 0);
/*! Used when connection is wrong. Displays a message in details widget and changes icon in 'OK?' column. \a msg is
the message explaining what's wrong. */
void setStatusError(const TQString &msg, KexiTableItem *item = 0);
//! Inits table data, columns, etc.
void initTable();
/*! Updates the widget list (shown in receiver and sender columns). Then fill in the table with the connections in m_buffer. */
void updateTableData();
/*! Updates the slot list, according to the receiver name, and only shows those who are compatible with signal args. */
void updateSlotList(KexiTableItem *item);
//! Updates the signal list, according to the sender name.
void updateSignalList(KexiTableItem *item);
protected slots:
/*! Slot called when the user modifies a cell. Signal and/or slot cells are cleared if necessary (not valid anymore). */
void slotCellChanged(KexiTableItem*, int, TQVariant&, KexiDB::ResultInfo*);
/*! This function checks if the connection represented by KexiTableItem \a item is valid. It checks if all args (sender, receiver, signal and slot)
are given, and then if signal/slot args are compatible (should be always true, as we don't show non-compatible slots). It calls \ref setStatusOk()
or \ref setStatusError() following the result of checks. */
void checkConnection(KexiTableItem *item);
/*! Hides the dialog and allow the user to create the Connection by drag-and-drop in the Form itself. Currently disabled in the GUI.
\sa FormManager::startCreatingConnection() */
void newItemByDragnDrop();
/*! Creates a new item. It just moves the cursor to the last empty row. */
void newItem();
void removeItem();
/*! This slot is called when the user ends connection creation (when in drag-and-drop mode). The dialog is restored,
and the created connection is added to the list. */
void slotConnectionCreated(KFormDesigner::Form *form, KFormDesigner::Connection &connection);
/*! This slot is called when the user aborts connection creation (when in drag-and-drop mode). The dialog is restored,
and an empty connection is created. */
void slotConnectionAborted(KFormDesigner::Form *form);
void slotCellSelected(int col, int row);
void slotRowInserted(KexiTableItem*,bool);
/*! Slot called when the user presses 'Ok' button. The Form::connectionBuffer() is deleted, created again and filled with Connection.
If the user presses 'Cancel', nothing happens. */
virtual void slotOk();
protected:
enum {BAdd = 10, BRemove};
Form *m_form;
ConnectionBuffer *m_buffer;
KexiTableView *m_table;
KexiTableViewData *m_data;
KexiTableViewData *m_widgetsColumnData, *m_slotsColumnData, *m_signalsColumnData;
TQLabel *m_pixmapLabel, *m_textLabel;
TQIntDict<TQButton> m_buttons; //! dict of button (for disabling them)
};
}
#endif
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