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132 lines
3.9 KiB
132 lines
3.9 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2004-2005 Jaroslaw Staniek <js@iidea.pl>
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This library 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 library 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 library; see the file COPYING.LIB. 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 "kexidbsubform.h"
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#include "kexidbform.h"
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#include "../kexiformview.h"
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#include <kexidb/utils.h>
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#include <formeditor/formIO.h>
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#include <formeditor/objecttree.h>
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#include <formeditor/utils.h>
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#include <formeditor/container.h>
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#include <formeditor/formmanager.h>
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KexiDBSubForm::KexiDBSubForm(KFormDesigner::Form *parentForm, TQWidget *parent, const char *name)
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: TQScrollView(parent, name), m_parentForm(parentForm), m_form(0), m_widget(0)
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{
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setFrameStyle(TQFrame::WinPanel | TQFrame::Sunken);
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viewport()->setPaletteBackgroundColor(colorGroup().mid());
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}
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/*
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void
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KexiDBSubForm::paintEvent(TQPaintEvent *ev)
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{
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TQScrollView::paintEvent(ev);
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TQPainter p;
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setWFlags(WPaintUnclipped);
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TQString txt("Subform");
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TQFont f = font();
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f.setPointSize(f.pointSize() * 3);
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TQFontMetrics fm(f);
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const int txtw = fm.width(txt), txth = fm.height();
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p.begin(this, true);
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p.setPen(black);
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p.setFont(f);
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p.drawText(width()/2, height()/2, txt, TQt::AlignCenter|TQt::AlignVCenter);
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p.end();
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clearWFlags( WPaintUnclipped );
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}
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*/
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void
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KexiDBSubForm::setFormName(const TQString &name)
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{
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if(m_formName==name)
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return;
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m_formName = name; //assign, even if the name points to nowhere
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if(name.isEmpty()) {
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delete m_widget;
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m_widget = 0;
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updateScrollBars();
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return;
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}
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TQWidget *pw = parentWidget();
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KexiFormView *view = 0;
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TQStringList list;
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while(pw) {
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if(pw->isA("KexiDBSubForm")) {
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if(list.contains(pw->name())) {
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//! @todo error message
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return; // Be sure to don't run into a endless-loop cause of recursive subforms.
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}
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list.append(pw->name());
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}
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else if(! view && pw->isA("KexiFormView"))
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view = static_cast<KexiFormView*>(pw); // we need a KexiFormView*
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pw = pw->parentWidget();
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}
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if (!view || !view->parentDialog() || !view->parentDialog()->mainWin()
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|| !view->parentDialog()->mainWin()->project()->dbConnection())
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return;
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KexiDB::Connection *conn = view->parentDialog()->mainWin()->project()->dbConnection();
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// we check if there is a form with this name
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int id = KexiDB::idForObjectName(*conn, name, KexiPart::FormObjectType);
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if((id == 0) || (id == view->parentDialog()->id())) // == our form
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return; // because of recursion when loading
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// we create the container widget
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delete m_widget;
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m_widget = new KexiDBFormBase(viewport(), "KexiDBSubForm_widget");
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m_widget->show();
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addChild(m_widget);
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m_form = new KFormDesigner::Form(KexiFormPart::library(), this->name());
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m_form->createToplevel(m_widget);
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// and load the sub form
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TQString data;
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tristate res = conn->loadDataBlock(id, data, TQString());
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if (res == true)
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res = KFormDesigner::FormIO::loadFormFromString(m_form, m_widget, data);
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if(res != true) {
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delete m_widget;
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m_widget = 0;
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updateScrollBars();
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m_formName = TQString();
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return;
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}
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m_form->setDesignMode(false);
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// Install event filters on the whole newly created form
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KFormDesigner::ObjectTreeItem *tree = m_parentForm->objectTree()->lookup(this->name());
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KFormDesigner::installRecursiveEventFilter(this, tree->eventEater());
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}
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#include "kexidbsubform.moc"
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