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koffice/kexi/plugins/tables/kexitablepart.cpp

314 lines
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/* This file is part of the KDE project
Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
Copyright (C) 2002, 2003 Joseph Wenninger <jowenn@kde.org>
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.
*/
#include "kexitablepart.h"
#include <kdebug.h>
#include <kgenericfactory.h>
#include <kmessagebox.h>
#include <ktabwidget.h>
#include <kiconloader.h>
#include "keximainwindow.h"
#include "kexiproject.h"
#include "kexipartinfo.h"
#include "widget/kexidatatable.h"
#include "widget/tableview/kexidatatableview.h"
#include "kexitabledesignerview.h"
#include "kexitabledesigner_dataview.h"
#include "kexilookupcolumnpage.h"
#include <kexidb/connection.h>
#include <kexidb/cursor.h>
#include <kexidialogbase.h>
//! @internal
class KexiTablePart::Private
{
public:
Private()
{
}
~Private()
{
delete static_cast<KexiLookupColumnPage*>(lookupColumnPage);
}
QGuardedPtr<KexiLookupColumnPage> lookupColumnPage;
};
KexiTablePart::KexiTablePart(QObject *parent, const char *name, const QStringList &l)
: KexiPart::Part(parent, name, l)
, d(new Private())
{
// REGISTERED ID:
m_registeredPartID = (int)KexiPart::TableObjectType;
kdDebug() << "KexiTablePart::KexiTablePart()" << endl;
m_names["instanceName"]
= i18n("Translate this word using only lowercase alphanumeric characters (a..z, 0..9). "
"Use '_' character instead of spaces. First character should be a..z character. "
"If you cannot use latin characters in your language, use english word.",
"table");
m_names["instanceCaption"] = i18n("Table");
m_supportedViewModes = Kexi::DataViewMode | Kexi::DesignViewMode;
//js TODO: also add Kexi::TextViewMode when we'll have SQL ALTER TABLE EDITOR!!!
}
KexiTablePart::~KexiTablePart()
{
delete d;
}
void KexiTablePart::initPartActions()
{
}
void KexiTablePart::initInstanceActions()
{
//moved to main window createSharedAction(Kexi::DataViewMode, i18n("Filter"), "filter", 0, "tablepart_filter");
KAction *a = createSharedToggleAction(
Kexi::DesignViewMode, i18n("Primary Key"), "key", 0, "tablepart_toggle_pkey");
// Kexi::DesignViewMode, i18n("Toggle Primary Key"), "key", 0, "tablepart_toggle_pkey");
a->setWhatsThis(i18n("Sets or removes primary key for currently selected field."));
}
KexiDialogTempData* KexiTablePart::createTempData(KexiDialogBase* dialog)
{
return new KexiTablePart::TempData(dialog);
}
KexiViewBase* KexiTablePart::createView(QWidget *parent, KexiDialogBase* dialog,
KexiPart::Item &item, int viewMode, QMap<QString,QString>*)
{
KexiMainWindow *win = dialog->mainWin();
if (!win || !win->project() || !win->project()->dbConnection())
return 0;
KexiTablePart::TempData *temp = static_cast<KexiTablePart::TempData*>(dialog->tempData());
if (!temp->table) {
temp->table = win->project()->dbConnection()->tableSchema(item.name());
kdDebug() << "KexiTablePart::execute(): schema is " << temp->table << endl;
}
if (viewMode == Kexi::DesignViewMode) {
KexiTableDesignerView *t = new KexiTableDesignerView(win, parent);
return t;
}
else if (viewMode == Kexi::DataViewMode) {
if(!temp->table)
return 0; //todo: message
//we're not setting table schema here -it will be forced to set
// in KexiTableDesigner_DataView::afterSwitchFrom()
KexiTableDesigner_DataView *t = new KexiTableDesigner_DataView(win, parent);
return t;
}
return 0;
}
bool KexiTablePart::remove(KexiMainWindow *win, KexiPart::Item &item)
{
if (!win || !win->project() || !win->project()->dbConnection())
return false;
KexiDB::Connection *conn = win->project()->dbConnection();
KexiDB::TableSchema *sch = conn->tableSchema(item.identifier());
if (sch) {
tristate res = KexiTablePart::askForClosingObjectsUsingTableSchema(
win, *conn, *sch,
i18n("You are about to remove table \"%1\" but following objects using this table are opened:")
.arg(sch->name()));
return true == conn->dropTable( sch );
}
//last chance: just remove item
return conn->removeObject( item.identifier() );
}
tristate KexiTablePart::rename(KexiMainWindow *win, KexiPart::Item & item,
const QString& newName)
{
//TODO: what about objects (queries/forms) that use old name?
KexiDB::Connection *conn = win->project()->dbConnection();
KexiDB::TableSchema *sch = conn->tableSchema(item.identifier());
if (!sch)
return false;
return conn->alterTableName(*sch, newName);
}
KexiDB::SchemaData*
KexiTablePart::loadSchemaData(KexiDialogBase *dlg, const KexiDB::SchemaData& sdata, int viewMode)
{
Q_UNUSED( viewMode );
return dlg->mainWin()->project()->dbConnection()->tableSchema( sdata.name() );
}
#if 0
KexiPart::DataSource *
KexiTablePart::dataSource()
{
return new KexiTableDataSource(this);
}
#endif
tristate KexiTablePart::askForClosingObjectsUsingTableSchema(QWidget *parent, KexiDB::Connection& conn,
KexiDB::TableSchema& table, const QString& msg)
{
QPtrList<KexiDB::Connection::TableSchemaChangeListenerInterface>* listeners
= conn.tableSchemaChangeListeners(table);
if (!listeners || listeners->isEmpty())
return true;
QString openedObjectsStr = "<ul>";
for (QPtrListIterator<KexiDB::Connection::TableSchemaChangeListenerInterface> it(*listeners);
it.current(); ++it) {
openedObjectsStr += QString("<li>%1</li>").arg(it.current()->listenerInfoString);
}
openedObjectsStr += "</ul>";
int r = KMessageBox::questionYesNo(parent,
"<p>"+msg+"</p><p>"+openedObjectsStr+"</p><p>"
+i18n("Do you want to close all windows for these objects?"),
QString::null, KGuiItem(i18n("Close windows"),"fileclose"), KStdGuiItem::cancel());
tristate res;
if (r == KMessageBox::Yes) {
//try to close every window
res = conn.closeAllTableSchemaChangeListeners(table);
if (res!=true) //do not expose closing errors twice; just cancel
res = cancelled;
}
else
res = cancelled;
return res;
}
QString
KexiTablePart::i18nMessage(const QCString& englishMessage, KexiDialogBase* dlg) const
{
if (englishMessage=="Design of object \"%1\" has been modified.")
return i18n("Design of table \"%1\" has been modified.");
if (englishMessage=="Object \"%1\" already exists.")
return i18n("Table \"%1\" already exists.");
if (dlg->currentViewMode()==Kexi::DesignViewMode && !dlg->neverSaved()
&& englishMessage==":additional message before saving design")
return i18n("Warning! Any data in this table will be removed upon design's saving!");
return englishMessage;
}
void KexiTablePart::setupCustomPropertyPanelTabs(KTabWidget *tab, KexiMainWindow* mainWin)
{
if (!d->lookupColumnPage) {
d->lookupColumnPage = new KexiLookupColumnPage(0);
connect(d->lookupColumnPage, SIGNAL(jumpToObjectRequested(const QCString&, const QCString&)),
mainWin, SLOT(highlightObject(const QCString&, const QCString&)));
//! @todo add "Table" tab
/*
connect(d->dataSourcePage, SIGNAL(formDataSourceChanged(const QCString&, const QCString&)),
KFormDesigner::FormManager::self(), SLOT(setFormDataSource(const QCString&, const QCString&)));
connect(d->dataSourcePage, SIGNAL(dataSourceFieldOrExpressionChanged(const QString&, const QString&, KexiDB::Field::Type)),
KFormDesigner::FormManager::self(), SLOT(setDataSourceFieldOrExpression(const QString&, const QString&, KexiDB::Field::Type)));
connect(d->dataSourcePage, SIGNAL(insertAutoFields(const QString&, const QString&, const QStringList&)),
KFormDesigner::FormManager::self(), SLOT(insertAutoFields(const QString&, const QString&, const QStringList&)));*/
}
KexiProject *prj = mainWin->project();
d->lookupColumnPage->setProject(prj);
//! @todo add lookup field icon
tab->addTab( d->lookupColumnPage, SmallIconSet("combo"), "");
tab->setTabToolTip( d->lookupColumnPage, i18n("Lookup column"));
}
KexiLookupColumnPage* KexiTablePart::lookupColumnPage() const
{
return d->lookupColumnPage;
}
//----------------
#if 0
KexiTableDataSource::KexiTableDataSource(KexiPart::Part *part)
: KexiPart::DataSource(part)
{
}
KexiTableDataSource::~KexiTableDataSource()
{
}
KexiDB::FieldList *
KexiTableDataSource::fields(KexiProject *project, const KexiPart::Item &it)
{
kdDebug() << "KexiTableDataSource::fields(): " << it.name() << endl;
return project->dbConnection()->tableSchema(it.name());
}
KexiDB::Cursor *
KexiTableDataSource::cursor(KexiProject * /*project*/,
const KexiPart::Item &/*it*/, bool /*buffer*/)
{
return 0;
}
#endif
//----------------
KexiTablePart::TempData::TempData(QObject* parent)
: KexiDialogTempData(parent)
, table(0)
, tableSchemaChangedInPreviousView(true /*to force reloading on startup*/ )
{
}
//----------------
/**
TODO
*/
/*
AboutData( const char *programName,
const char *version,
const char *i18nShortDescription = 0,
int licenseType = License_Unknown,
const char *i18nCopyrightStatement = 0,
const char *i18nText = 0,
const char *homePageAddress = 0,
const char *bugsEmailAddress = "submit@bugs.kde.org"
);
#define KEXIPART_EXPORT_FACTORY( libname, partClass, aboutData ) \
static KexiPart::AboutData * libname ## updateAD(KexiPart::AboutData *ad) \
{ ad->setAppName( #libname ); return ad; } \
K_EXPORT_COMPONENT_FACTORY( libname, KGenericFactory<partClass>(libname ## updateAD(#libname)) )
*/
K_EXPORT_COMPONENT_FACTORY( kexihandler_table, KGenericFactory<KexiTablePart>("kexihandler_table") )
#include "kexitablepart.moc"