File indexing completed on 2024-05-12 16:39:44
0001 /* This file is part of the KDE project 0002 Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr> 0003 Copyright (C) 2004-2009 Jarosław Staniek <staniek@kde.org> 0004 0005 This library is free software; you can redistribute it and/or 0006 modify it under the terms of the GNU Library General Public 0007 License as published by the Free Software Foundation; either 0008 version 2 of the License, or (at your option) any later version. 0009 0010 This library is distributed in the hope that it will be useful, 0011 but WITHOUT ANY WARRANTY; without even the implied warranty of 0012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0013 Library General Public License for more details. 0014 0015 You should have received a copy of the GNU Library General Public License 0016 along with this library; see the file COPYING.LIB. If not, write to 0017 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0018 * Boston, MA 02110-1301, USA. 0019 */ 0020 0021 #ifndef FORMCONNECTIONDIALOG_H 0022 #define FORMCONNECTIONDIALOG_H 0023 0024 #include "kformdesigner_export.h" 0025 0026 #include <QLabel> 0027 #include <QDialog> 0028 0029 class QLabel; 0030 class KDbResultInfo; 0031 class KDbRecordData; 0032 class KexiTableView; 0033 0034 namespace KFormDesigner 0035 { 0036 class Form; 0037 class Connection; 0038 0039 /*! 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 0040 of current connection. */ 0041 class KFORMDESIGNER_EXPORT ConnectionDialog : public KDialog 0042 { 0043 Q_OBJECT 0044 0045 public: 0046 ConnectionDialog(Form *form, QWidget *parent); 0047 ~ConnectionDialog(); 0048 0049 /*! Displays as modal dialog, to edit connections in Form::connectionBuffer(). */ 0050 void exec(); 0051 0052 protected: 0053 /*! Used when connection is ok. Displays a message in details widget and changes icon in 'OK?' column. */ 0054 void setStatusOk(KDbRecordData *data = 0); 0055 /*! Used when connection is wrong. Displays a message in details widget and changes icon in 'OK?' column. \a msg is 0056 the message explaining what's wrong. */ 0057 void setStatusError(const QString &msg, KDbRecordData *data = 0); 0058 //! Inits table data, columns, etc. 0059 void initTable(); 0060 /*! Updates the widget list (shown in receiver and sender columns). Then fill in the table with the connections in m_buffer. */ 0061 void updateTableData(); 0062 /*! Updates the slot list, according to the receiver name, and only shows those who are compatible with signal args. */ 0063 void updateSlotList(KDbRecordData *data); 0064 //! Updates the signal list, according to the sender name. 0065 void updateSignalList(KDbRecordData *data); 0066 0067 protected Q_SLOTS: 0068 /*! Slot called when the user modifies a cell. Signal and/or slot cells are cleared if necessary (not valid anymore). */ 0069 void slotCellChanged(KDbRecordData *, int, QVariant*, KDbResultInfo*); 0070 /*! This function checks if the connection represented by \a record is valid. It checks if all args (sender, receiver, signal and slot) 0071 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() 0072 or \ref setStatusError() following the result of checks. */ 0073 void checkConnection(KDbRecordData *data); 0074 0075 /*! Hides the dialog and allow the user to create the Connection by drag-and-drop in the Form itself. Currently disabled in the GUI.*/ 0076 void newItemByDragnDrop(); 0077 /*! Creates a new item. It just moves the cursor to the last empty row. */ 0078 void newItem(); 0079 void removeItem(); 0080 0081 /*! This slot is called when the user ends connection creation (when in drag-and-drop mode). The dialog is restored, 0082 and the created connection is added to the list. */ 0083 void slotConnectionCreated(KFormDesigner::Form *form, KFormDesigner::Connection &connection); 0084 /*! This slot is called when the user aborts connection creation (when in drag-and-drop mode). The dialog is restored, 0085 and an empty connection is created. */ 0086 void slotConnectionAborted(KFormDesigner::Form *form); 0087 0088 void slotCellSelected(int row, int col); 0089 void slotRecordInserted(KDbRecordData*, bool); 0090 0091 /*! Slot called when the user presses 'Ok' button. The Form::connectionBuffer() is deleted, created again and filled with Connection. 0092 If the user presses 'Cancel', nothing happens. */ 0093 virtual void slotOk(); 0094 0095 private: 0096 class Private; 0097 0098 Private* const d; 0099 }; 0100 0101 } 0102 0103 #endif