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543 lines
17 KiB
543 lines
17 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
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Copyright (C) 2004-2006 Jaroslaw Staniek <js@iidea.pl>
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This program 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 program 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 program; see the file COPYING. 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 <tqsplitter.h>
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#include <tqlayout.h>
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#include <tqhbox.h>
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#include <tqvbox.h>
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#include <tqtimer.h>
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#include <tdeapplication.h>
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#include <kdebug.h>
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#include <tdemessagebox.h>
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#include <kiconloader.h>
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#include <kexiutils/utils.h>
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#include <kexidb/driver.h>
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#include <kexidb/connection.h>
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#include <kexidb/parser/parser.h>
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#include <kexiproject.h>
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#include <keximainwindow.h>
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#include "kexiquerydesignersqleditor.h"
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#include "kexiquerydesignersqlhistory.h"
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#include "kexiquerydesignersql.h"
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#include "kexiquerypart.h"
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#include "kexisectionheader.h"
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static bool compareSQL(const TQString& sql1, const TQString& sql2)
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{
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//TODO: use reformatting functions here
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return sql1.stripWhiteSpace()==sql2.stripWhiteSpace();
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}
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//===================
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//! @internal
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class KexiQueryDesignerSQLView::Private
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{
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public:
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Private() :
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history(0)
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, historyHead(0)
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, statusPixmapOk( DesktopIcon("button_ok") )
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, statusPixmapErr( DesktopIcon("button_cancel") )
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, statusPixmapInfo( DesktopIcon("messagebox_info") )
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, parsedQuery(0)
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, heightForStatusMode(-1)
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, heightForHistoryMode(-1)
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, eventFilterForSplitterEnabled(true)
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, justSwitchedFromNoViewMode(false)
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, slotTextChangedEnabled(true)
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{
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}
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KexiQueryDesignerSQLEditor *editor;
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KexiQueryDesignerSQLHistory *history;
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TQLabel *pixmapStatus, *lblStatus;
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TQHBox *status_hbox;
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TQVBox *history_section;
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KexiSectionHeader *head, *historyHead;
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TQPixmap statusPixmapOk, statusPixmapErr, statusPixmapInfo;
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TQSplitter *splitter;
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TDEToggleAction *action_toggle_history;
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//! For internal use, this pointer is usually copied to TempData structure,
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//! when switching out of this view (then it's cleared).
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KexiDB::QuerySchema *parsedQuery;
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//! For internal use, statement passed in switching to this view
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TQString origStatement;
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//! needed to remember height for both modes, between switching
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int heightForStatusMode, heightForHistoryMode;
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//! helper for slotUpdateMode()
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bool action_toggle_history_was_checked : 1;
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//! helper for eventFilter()
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bool eventFilterForSplitterEnabled : 1;
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//! helper for beforeSwitchTo()
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bool justSwitchedFromNoViewMode : 1;
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//! helper for slotTextChanged()
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bool slotTextChangedEnabled : 1;
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};
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//===================
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KexiQueryDesignerSQLView::KexiQueryDesignerSQLView(KexiMainWindow *mainWin, TQWidget *parent, const char *name)
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: KexiViewBase(mainWin, parent, name)
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, d( new Private() )
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{
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d->splitter = new TQSplitter(this);
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d->splitter->setOrientation(TQt::Vertical);
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d->head = new KexiSectionHeader(i18n("SQL Query Text"),TQt::Vertical, d->splitter);
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d->editor = new KexiQueryDesignerSQLEditor(mainWin, d->head, "sqle");
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// d->editor->installEventFilter(this);//for keys
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connect(d->editor, TQT_SIGNAL(textChanged()), this, TQT_SLOT(slotTextChanged()));
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addChildView(d->editor);
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setViewWidget(d->editor);
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d->splitter->setFocusProxy(d->editor);
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setFocusProxy(d->editor);
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d->history_section = new TQVBox(d->splitter);
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d->status_hbox = new TQHBox(d->history_section);
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d->status_hbox->installEventFilter(this);
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d->splitter->setResizeMode(d->history_section, TQSplitter::KeepSize);
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d->status_hbox->setSpacing(0);
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d->pixmapStatus = new TQLabel(d->status_hbox);
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d->pixmapStatus->setFixedWidth(d->statusPixmapOk.width()*3/2);
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d->pixmapStatus->setAlignment(AlignHCenter | AlignTop);
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d->pixmapStatus->setMargin(d->statusPixmapOk.width()/4);
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d->pixmapStatus->setPaletteBackgroundColor( palette().active().color(TQColorGroup::Base) );
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d->lblStatus = new TQLabel(d->status_hbox);
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d->lblStatus->setAlignment(AlignLeft | AlignTop | WordBreak);
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d->lblStatus->setMargin(d->statusPixmapOk.width()/4);
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d->lblStatus->setSizePolicy( TQSizePolicy::Preferred, TQSizePolicy::Expanding );
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d->lblStatus->resize(d->lblStatus->width(),d->statusPixmapOk.width()*3);
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d->lblStatus->setPaletteBackgroundColor( palette().active().color(TQColorGroup::Base) );
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TQHBoxLayout *b = new TQHBoxLayout(this);
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b->addWidget(d->splitter);
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plugSharedAction("querypart_check_query", this, TQT_SLOT(slotCheckQuery()));
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plugSharedAction("querypart_view_toggle_history", this, TQT_SLOT(slotUpdateMode()));
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d->action_toggle_history = static_cast<TDEToggleAction*>( sharedAction( "querypart_view_toggle_history" ) );
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d->historyHead = new KexiSectionHeader(i18n("SQL Query History"),TQt::Vertical, d->history_section);
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d->historyHead->installEventFilter(this);
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d->history = new KexiQueryDesignerSQLHistory(d->historyHead, "sql_history");
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static const TQString msg_back = i18n("Back to Selected Query");
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static const TQString msg_clear = i18n("Clear History");
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d->historyHead->addButton("select_item", msg_back, this, TQT_SLOT(slotSelectQuery()));
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d->historyHead->addButton("edit-clear", msg_clear, d->history, TQT_SLOT(clear()));
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d->history->popupMenu()->insertItem(SmallIcon("select_item"), msg_back, this, TQT_SLOT(slotSelectQuery()));
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d->history->popupMenu()->insertItem(SmallIcon("edit-clear"), msg_clear, d->history, TQT_SLOT(clear()));
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connect(d->history, TQT_SIGNAL(currentItemDoubleClicked()), this, TQT_SLOT(slotSelectQuery()));
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d->heightForHistoryMode = -1; //height() / 2;
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//d->historyHead->hide();
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d->action_toggle_history_was_checked = !d->action_toggle_history->isChecked(); //to force update
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slotUpdateMode();
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slotCheckQuery();
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}
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KexiQueryDesignerSQLView::~KexiQueryDesignerSQLView()
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{
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delete d;
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}
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KexiQueryDesignerSQLEditor *KexiQueryDesignerSQLView::editor() const
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{
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return d->editor;
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}
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void KexiQueryDesignerSQLView::setStatusOk()
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{
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d->pixmapStatus->setPixmap(d->statusPixmapOk);
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setStatusText("<h2>"+i18n("The query is correct")+"</h2>");
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d->history->addEvent(d->editor->text().stripWhiteSpace(), true, TQString());
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}
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void KexiQueryDesignerSQLView::setStatusError(const TQString& msg)
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{
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d->pixmapStatus->setPixmap(d->statusPixmapErr);
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setStatusText("<h2>"+i18n("The query is incorrect")+"</h2><p>"+msg+"</p>");
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d->history->addEvent(d->editor->text().stripWhiteSpace(), false, msg);
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}
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void KexiQueryDesignerSQLView::setStatusEmpty()
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{
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d->pixmapStatus->setPixmap(d->statusPixmapInfo);
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setStatusText(i18n("Please enter your query and execute \"Check query\" function to verify it."));
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}
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void KexiQueryDesignerSQLView::setStatusText(const TQString& text)
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{
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if (!d->action_toggle_history->isChecked()) {
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TQSimpleRichText rt(text, d->lblStatus->font());
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rt.setWidth(d->lblStatus->width());
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TQValueList<int> sz = d->splitter->sizes();
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const int newHeight = rt.height()+d->lblStatus->margin()*2;
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if (sz[1]<newHeight) {
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sz[1] = newHeight;
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d->splitter->setSizes(sz);
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}
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d->lblStatus->setText(text);
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}
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}
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tristate
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KexiQueryDesignerSQLView::beforeSwitchTo(int mode, bool &dontStore)
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{
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//TODO
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dontStore = true;
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if (mode==Kexi::DesignViewMode || mode==Kexi::DataViewMode) {
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TQString sqlText = d->editor->text().stripWhiteSpace();
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KexiQueryPart::TempData * temp = tempData();
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if (sqlText.isEmpty()) {
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//special case: empty SQL text
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if (temp->query()) {
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temp->queryChangedInPreviousView = true; //query changed
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temp->setQuery(0);
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// delete temp->query; //safe?
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// temp->query = 0;
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}
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}
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else {
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const bool designViewWasVisible = parentDialog()->viewForMode(mode)!=0;
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//should we check SQL text?
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if (designViewWasVisible
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&& !d->justSwitchedFromNoViewMode //unchanged, but we should check SQL text
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&& compareSQL(d->origStatement, d->editor->text())) {
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//statement unchanged! - nothing to do
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temp->queryChangedInPreviousView = false;
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}
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else {
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//yes: parse SQL text
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if (!slotCheckQuery()) {
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if (KMessageBox::No==KMessageBox::warningYesNo(this, "<p>"+i18n("The query you entered is incorrect.")
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+"</p><p>"+i18n("Do you want to cancel any changes made to this SQL text?")+"</p>"
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+"</p><p>"+i18n("Answering \"No\" allows you to make corrections.")+"</p>"))
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{
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return cancelled;
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}
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//do not change original query - it's invalid
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temp->queryChangedInPreviousView = false;
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//this view is no longer _just_ switched from "NoViewMode"
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d->justSwitchedFromNoViewMode = false;
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return true;
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}
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//this view is no longer _just_ switched from "NoViewMode"
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d->justSwitchedFromNoViewMode = false;
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//replace old query schema with new one
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temp->setQuery( d->parsedQuery ); //this will also delete temp->query()
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// delete temp->query; //safe?
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// temp->query = d->parsedQuery;
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d->parsedQuery = 0;
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temp->queryChangedInPreviousView = true;
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}
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}
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}
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//TODO
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/*
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if (d->doc) {
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KexiDB::Parser *parser = new KexiDB::Parser(mainWin()->project()->dbConnection());
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parser->parse(getQuery());
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d->doc->setSchema(parser->select());
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if(parser->operation() == KexiDB::Parser::OP_Error)
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{
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d->history->addEvent(getQuery(), false, parser->error().error());
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kdDebug() << "KexiQueryDesignerSQLView::beforeSwitchTo(): syntax error!" << endl;
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return false;
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}
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delete parser;
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}
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setDirty(true);*/
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// if (parentDialog()->hasFocus())
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d->editor->setFocus();
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return true;
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}
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tristate
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KexiQueryDesignerSQLView::afterSwitchFrom(int mode)
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{
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kdDebug() << "KexiQueryDesignerSQLView::afterSwitchFrom()" << endl;
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// if (mode==Kexi::DesignViewMode || mode==Kexi::DataViewMode) {
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if (mode==Kexi::NoViewMode) {
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//User opened text view _directly_.
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//This flag is set to indicate for beforeSwitchTo() that even if text has not been changed,
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//SQL text should be invalidated.
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d->justSwitchedFromNoViewMode = true;
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}
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KexiQueryPart::TempData * temp = tempData();
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KexiDB::QuerySchema *query = temp->query();
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if (!query) {//try to just get saved schema, instead of temporary one
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query = dynamic_cast<KexiDB::QuerySchema *>(parentDialog()->schemaData());
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}
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if (mode!=0/*failure only if it is switching from prev. view*/ && !query) {
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//TODO msg
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return false;
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}
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if (!query) {
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//no valid query schema delivered: just load sql text, no matter if it's valid
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if (!loadDataBlock( d->origStatement, "sql", true /*canBeEmpty*/ ))
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return false;
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}
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else {
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// Use query with Kexi keywords (but not driver-specific keywords) escaped.
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temp->setQuery( query );
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// temp->query = query;
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KexiDB::Connection* conn = mainWin()->project()->dbConnection();
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KexiDB::Connection::SelectStatementOptions options;
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options.identifierEscaping = KexiDB::Driver::EscapeKexi;
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options.addVisibleLookupColumns = false;
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d->origStatement = conn->selectStatement(*query, options).stripWhiteSpace();
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}
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d->slotTextChangedEnabled = false;
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d->editor->setText( d->origStatement );
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d->slotTextChangedEnabled = true;
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TQTimer::singleShot(100, d->editor, TQT_SLOT(setFocus()));
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return true;
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}
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TQString
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KexiQueryDesignerSQLView::sqlText() const
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{
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return d->editor->text();
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}
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bool KexiQueryDesignerSQLView::slotCheckQuery()
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{
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TQString sqlText( d->editor->text().stripWhiteSpace() );
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if (sqlText.isEmpty()) {
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delete d->parsedQuery;
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d->parsedQuery = 0;
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setStatusEmpty();
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return true;
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}
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kdDebug() << "KexiQueryDesignerSQLView::slotCheckQuery()" << endl;
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//KexiQueryPart::TempData * temp = tempData();
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KexiDB::Parser *parser = mainWin()->project()->sqlParser();
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const bool ok = parser->parse( sqlText );
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delete d->parsedQuery;
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d->parsedQuery = parser->query();
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if (!d->parsedQuery || !ok || !parser->error().type().isEmpty()) {
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KexiDB::ParserError err = parser->error();
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setStatusError(err.error());
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d->editor->jump(err.at());
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delete d->parsedQuery;
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d->parsedQuery = 0;
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return false;
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}
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setStatusOk();
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return true;
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}
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void KexiQueryDesignerSQLView::slotUpdateMode()
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{
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if (d->action_toggle_history->isChecked() == d->action_toggle_history_was_checked)
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return;
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d->eventFilterForSplitterEnabled = false;
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TQValueList<int> sz = d->splitter->sizes();
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d->action_toggle_history_was_checked = d->action_toggle_history->isChecked();
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int heightToSet = -1;
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if (d->action_toggle_history->isChecked()) {
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d->status_hbox->hide();
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d->historyHead->show();
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d->history->show();
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if (d->heightForHistoryMode==-1)
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d->heightForHistoryMode = m_dialog->height() / 2;
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heightToSet = d->heightForHistoryMode;
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d->heightForStatusMode = sz[1]; //remember
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}
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else {
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if (d->historyHead)
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d->historyHead->hide();
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d->status_hbox->show();
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if (d->heightForStatusMode>=0) {
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heightToSet = d->heightForStatusMode;
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} else {
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d->heightForStatusMode = d->status_hbox->height();
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}
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if (d->heightForHistoryMode>=0)
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d->heightForHistoryMode = sz[1];
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}
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if (heightToSet>=0) {
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sz[1] = heightToSet;
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d->splitter->setSizes(sz);
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}
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d->eventFilterForSplitterEnabled = true;
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slotCheckQuery();
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}
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void KexiQueryDesignerSQLView::slotTextChanged()
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{
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if (!d->slotTextChangedEnabled)
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return;
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setDirty(true);
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setStatusEmpty();
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}
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bool KexiQueryDesignerSQLView::eventFilter( TQObject *o, TQEvent *e )
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{
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if (d->eventFilterForSplitterEnabled) {
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if (e->type()==TQEvent::Resize && o && o==d->historyHead && d->historyHead->isVisible()) {
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d->heightForHistoryMode = d->historyHead->height();
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}
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else if (e->type()==TQEvent::Resize && o && o==d->status_hbox && d->status_hbox->isVisible()) {
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d->heightForStatusMode = d->status_hbox->height();
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}
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}
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return KexiViewBase::eventFilter(o, e);
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}
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void KexiQueryDesignerSQLView::updateActions(bool activated)
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{
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if (activated) {
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slotUpdateMode();
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}
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setAvailable("querypart_check_query", true);
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setAvailable("querypart_view_toggle_history", true);
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KexiViewBase::updateActions(activated);
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}
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void KexiQueryDesignerSQLView::slotSelectQuery()
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{
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TQString sql = d->history->selectedStatement();
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if (!sql.isEmpty()) {
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d->editor->setText( sql );
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}
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}
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KexiQueryPart::TempData *
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KexiQueryDesignerSQLView::tempData() const
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{
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return dynamic_cast<KexiQueryPart::TempData*>(parentDialog()->tempData());
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}
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KexiDB::SchemaData*
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KexiQueryDesignerSQLView::storeNewData(const KexiDB::SchemaData& sdata, bool &cancel)
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{
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Q_UNUSED( cancel );
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//here: we won't store query layout: it will be recreated 'by hand' in GUI Query Editor
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bool queryOK = slotCheckQuery();
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bool ok = true;
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KexiDB::SchemaData* query = 0;
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if (queryOK) {
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//query is ok
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if (d->parsedQuery) {
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query = d->parsedQuery; //will be returned, so: don't keep it
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d->parsedQuery = 0;
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}
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else {//empty query
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query = new KexiDB::SchemaData(); //just empty
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}
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(KexiDB::SchemaData&)*query = sdata; //copy main attributes
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ok = m_mainWin->project()->dbConnection()->storeObjectSchemaData( *query, true /*newObject*/ );
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if (ok) {
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m_dialog->setId( query->id() );
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ok = storeDataBlock( d->editor->text(), "sql" );
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}
|
|
}
|
|
else {
|
|
//query is not ok
|
|
//#if 0
|
|
//TODO: allow saving invalid queries
|
|
//TODO: just ask this question:
|
|
query = new KexiDB::SchemaData(); //just empty
|
|
|
|
ok = (KMessageBox::questionYesNo(this, i18n("Do you want to save invalid query?"),
|
|
0, KStdGuiItem::yes(), KStdGuiItem::no(), "askBeforeSavingInvalidQueries"/*config entry*/)==KMessageBox::Yes);
|
|
if (ok) {
|
|
(KexiDB::SchemaData&)*query = sdata; //copy main attributes
|
|
ok = m_mainWin->project()->dbConnection()->storeObjectSchemaData( *query, true /*newObject*/ );
|
|
}
|
|
if (ok) {
|
|
m_dialog->setId( query->id() );
|
|
ok = storeDataBlock( d->editor->text(), "sql" );
|
|
}
|
|
//#else
|
|
//ok = false;
|
|
//#endif
|
|
}
|
|
if (!ok) {
|
|
delete query;
|
|
query = 0;
|
|
}
|
|
return query;
|
|
}
|
|
|
|
tristate KexiQueryDesignerSQLView::storeData(bool dontAsk)
|
|
{
|
|
tristate res = KexiViewBase::storeData(dontAsk);
|
|
if (~res)
|
|
return res;
|
|
if (res == true) {
|
|
res = storeDataBlock( d->editor->text(), "sql" );
|
|
#if 0
|
|
bool queryOK = slotCheckQuery();
|
|
if (queryOK) {
|
|
res = storeDataBlock( d->editor->text(), "sql" );
|
|
}
|
|
else {
|
|
//query is not ok
|
|
//TODO: allow saving invalid queries
|
|
//TODO: just ask this question:
|
|
res = false;
|
|
}
|
|
#endif
|
|
}
|
|
if (res == true) {
|
|
TQString empty_xml;
|
|
res = storeDataBlock( empty_xml, "query_layout" ); //clear
|
|
}
|
|
if (!res)
|
|
setDirty(true);
|
|
return res;
|
|
}
|
|
|
|
|
|
/*void KexiQueryDesignerSQLView::slotHistoryHeaderButtonClicked(const TQString& buttonIdentifier)
|
|
{
|
|
if (buttonIdentifier=="select_query") {
|
|
slotSelectQuery();
|
|
}
|
|
else if (buttonIdentifier=="clear_history") {
|
|
d->history->clear();
|
|
}
|
|
}*/
|
|
|
|
#include "kexiquerydesignersql.moc"
|
|
|