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<h1>Source: hk_kdeclasses/hk_kdeclasses/hk_kdetabledesign.h</h1>
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<pre>
// ****************************************************************************
// copyright (c) 2000-2002 Horst Knorr <hk_classes@knoda.org>
// This file is part of the hk_kdeclasses library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file LGPL included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#ifndef HK_KDETABLEDESIGN_H
#define HK_KDETABLEDESIGN_H
#include <hk_dsgrid.h>
#include <hk_dsvisible.h>
#include <qvariant.h>
#include <qwidget.h>
#include <hk_column.h>
#include <qstring.h>
#include <qstringlist.h>
#include <list>
class QVBoxLayout;
class QHBoxLayout;
class QGridLayout;
class QButtonGroup;
class QCheckBox;
class QComboBox;
class QLabel;
class QLineEdit;
class QListView;
class QListViewItem;
class QPushButton;
class QSpinBox;
class QToolButton;
class hk_kdeindexwindow;
/**
*
*@short KDE widget to alter tables.
*@version $Revision: 1.2 $
*@author Horst Knorr (hk_classes@knoda.org)
*hk_kdetabledesign is a widget to interactively define and alter the
*table structure.
*
*/
class hk_kdetabledesign : public QWidget ,public hk_dsvisible
{
Q_OBJECT
public:
hk_kdetabledesign( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
virtual ~hk_kdetabledesign();
virtual void set_datasource(hk_datasource* d);
hk_datasource* datasource(void);
public slots:
/**
*call this function at the end to alter the table
*/
virtual bool alter_table();
virtual void load_fieldinfo();
void set_designmode();
protected slots:
virtual void delete_clicked();
virtual void index_clicked();
virtual void alterbutton_clicked();
virtual void name_changed();
virtual void new_clicked();
virtual void primary_changed();
virtual void notnull_changed();
virtual void selection_changed();
virtual void indexselection_changed();
virtual void size_changed();
virtual void type_changed();
virtual void new_index();
virtual void alter_index();
virtual void delete_index();
virtual void set_indexlist(void);
protected:
virtual void showEvent(QShowEvent* e);
virtual void list_changes(filetype type);
QGridLayout* hk_kdetabledesignLayout;
QHBoxLayout* Layoutindexwindow;
QVBoxLayout* buttonlayout;
QHBoxLayout* Layout8;
QHBoxLayout* Layout7;
QVBoxLayout* Layout22;
QHBoxLayout* Layout25;
QVBoxLayout* Layout24;
QHBoxLayout* Layout23;
QVBoxLayout* editlayout;
QVBoxLayout* fieldbuttonlayout;
QHBoxLayout* fieldtoplayout;
QListView* fieldlist;
QPushButton* newbutton;
QPushButton* deletebutton;
QPushButton* alterbutton;
QPushButton* indexdeletebutton;
QPushButton* indexnewbutton;
QPushButton* indexalterbutton;
QLabel* fieldnamelabel;
QLabel* columntypelabel;
QLabel* sizelabel;
QLabel* notnulllabel;
QLabel* primaryindexlabel;
QLineEdit* namefield;
QComboBox* typefield;
QSpinBox* sizefield;
QCheckBox* primaryfield;
QCheckBox* notnullfield;
QListView* indexwindow;
void create_columntypelist(void);
private :
void structure_changes(bool c);
void clear_fieldlist(void);
hk_column::enum_columntype ftype(const QString&);
enum enum_state {unchanged,delfield,newfield,altered};
int fieldname_count(const hk_string&);
/**
* returns true if name is a SQL key word
*/
bool is_keyword(const QString&);
typedef class fieldstruct
{
public:
hk_string oldname;
bool oldprimary;
bool oldnotnull;
hk_column::enum_columntype oldtype;
long oldsize;
hk_string newname;
bool newprimary;
bool newnotnull;
hk_column::enum_columntype newtype;
long newsize;
enum_state state;
};
typedef class dictclass
{
public:
QString name;
hk_column::enum_columntype type;
};
void show_fieldinfos(fieldstruct*);
list<dictclass> columntype_dictionary;
list<fieldstruct> fields;
list<fieldstruct>::iterator actualfieldit;
QListViewItem* lastmarkedItem;
bool p_fieldlist_created;
bool p_has_changed;
bool fieldnamecheck;
QStringList p_keywordlist;
};
#endif // HK_KDETABLEdesign_H
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