diff options
Diffstat (limited to 'kexi/plugins/forms/widgets/kexidbsubform.cpp')
-rw-r--r-- | kexi/plugins/forms/widgets/kexidbsubform.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/kexi/plugins/forms/widgets/kexidbsubform.cpp b/kexi/plugins/forms/widgets/kexidbsubform.cpp new file mode 100644 index 000000000..8d1971a97 --- /dev/null +++ b/kexi/plugins/forms/widgets/kexidbsubform.cpp @@ -0,0 +1,131 @@ +/* This file is part of the KDE project + Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr> + Copyright (C) 2004-2005 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 "kexidbsubform.h" + +#include "kexidbform.h" +#include "../kexiformview.h" +#include <kexidb/utils.h> +#include <formeditor/formIO.h> +#include <formeditor/objecttree.h> +#include <formeditor/utils.h> +#include <formeditor/container.h> +#include <formeditor/formmanager.h> + +KexiDBSubForm::KexiDBSubForm(KFormDesigner::Form *parentForm, QWidget *parent, const char *name) +: QScrollView(parent, name), m_parentForm(parentForm), m_form(0), m_widget(0) +{ + setFrameStyle(QFrame::WinPanel | QFrame::Sunken); + viewport()->setPaletteBackgroundColor(colorGroup().mid()); +} +/* +void +KexiDBSubForm::paintEvent(QPaintEvent *ev) +{ + QScrollView::paintEvent(ev); + QPainter p; + + setWFlags(WPaintUnclipped); + + QString txt("Subform"); + QFont f = font(); + f.setPointSize(f.pointSize() * 3); + QFontMetrics fm(f); + const int txtw = fm.width(txt), txth = fm.height(); + + p.begin(this, true); + p.setPen(black); + p.setFont(f); + p.drawText(width()/2, height()/2, txt, Qt::AlignCenter|Qt::AlignVCenter); + p.end(); + + clearWFlags( WPaintUnclipped ); +} +*/ +void +KexiDBSubForm::setFormName(const QString &name) +{ + if(m_formName==name) + return; + + m_formName = name; //assign, even if the name points to nowhere + + if(name.isEmpty()) { + delete m_widget; + m_widget = 0; + updateScrollBars(); + return; + } + + QWidget *pw = parentWidget(); + KexiFormView *view = 0; + QStringList list; + while(pw) { + if(pw->isA("KexiDBSubForm")) { + if(list.contains(pw->name())) { +//! @todo error message + return; // Be sure to don't run into a endless-loop cause of recursive subforms. + } + list.append(pw->name()); + } + else if(! view && pw->isA("KexiFormView")) + view = static_cast<KexiFormView*>(pw); // we need a KexiFormView* + pw = pw->parentWidget(); + } + + if (!view || !view->parentDialog() || !view->parentDialog()->mainWin() + || !view->parentDialog()->mainWin()->project()->dbConnection()) + return; + + KexiDB::Connection *conn = view->parentDialog()->mainWin()->project()->dbConnection(); + + // we check if there is a form with this name + int id = KexiDB::idForObjectName(*conn, name, KexiPart::FormObjectType); + if((id == 0) || (id == view->parentDialog()->id())) // == our form + return; // because of recursion when loading + + // we create the container widget + delete m_widget; + m_widget = new KexiDBFormBase(viewport(), "KexiDBSubForm_widget"); + m_widget->show(); + addChild(m_widget); + m_form = new KFormDesigner::Form(KexiFormPart::library(), this->name()); + m_form->createToplevel(m_widget); + + // and load the sub form + QString data; + tristate res = conn->loadDataBlock(id, data, QString::null); + if (res == true) + res = KFormDesigner::FormIO::loadFormFromString(m_form, m_widget, data); + if(res != true) { + delete m_widget; + m_widget = 0; + updateScrollBars(); + m_formName = QString::null; + return; + } + m_form->setDesignMode(false); + + // Install event filters on the whole newly created form + KFormDesigner::ObjectTreeItem *tree = m_parentForm->objectTree()->lookup(QObject::name()); + KFormDesigner::installRecursiveEventFilter(this, tree->eventEater()); +} + +#include "kexidbsubform.moc" |