1 files changed, 328 insertions, 0 deletions
diff --git a/kexi/core/kexiviewbase.cpp b/kexi/core/kexiviewbase.cpp
new file mode 100644
index 00000000..1696f502
--- /dev/null
+++ b/kexi/core/kexiviewbase.cpp
@@ -0,0 +1,328 @@
+/* This file is part of the KDE project
+   Copyright (C) 2004 Jaroslaw Staniek <[email protected]>
+
+   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 "kexiviewbase.h"
+
+#include "keximainwindow.h"
+#include "kexidialogbase.h"
+#include "kexiproject.h"
+#include <koproperty/set.h>
+
+#include <kexidb/connection.h>
+#include <kexidb/utils.h>
+#include <kexiutils/utils.h>
+
+#include <kdebug.h>
+
+KexiViewBase::KexiViewBase(KexiMainWindow *mainWin, QWidget *parent, const char *name)
+ : QWidget(parent, name)
+ , KexiActionProxy(this, mainWin)
+ , m_mainWin(mainWin)
+ , m_viewWidget(0)
+ , m_parentView(0)
+ , m_newlyAssignedID(-1)
+ , m_viewMode(0) //unknown!
+ , m_dirty(false)
+{
+	QWidget *wi=this;
+	while ((wi = wi->parentWidget()) && !wi->inherits("KexiDialogBase"))
+		;
+	m_dialog = (wi && wi->inherits("KexiDialogBase")) ? static_cast<KexiDialogBase*>(wi) : 0;
+	if (m_dialog) {
+		//init view mode number for this view (obtained from dialog where this view is created)
+		if (m_dialog->supportsViewMode(m_dialog->m_creatingViewsMode))
+			m_viewMode = m_dialog->m_creatingViewsMode;
+	}
+
+	installEventFilter(this);
+}
+
+KexiViewBase::~KexiViewBase()
+{
+}
+
+KexiPart::Part* KexiViewBase::part() const
+{
+	return m_dialog ? m_dialog->part() : 0;
+}
+
+tristate KexiViewBase::beforeSwitchTo(int /* mode */, bool & /*dontStore*/)
+{
+	return true;
+}
+
+tristate KexiViewBase::afterSwitchFrom(int /* mode */)
+{
+	return true;
+}
+
+QSize KexiViewBase::preferredSizeHint(const QSize& otherSize)
+{
+	KexiDialogBase* dlg = parentDialog();
+	if (dlg && dlg->mdiParent()) {
+		QRect r = dlg->mdiParent()->mdiAreaContentsRect();
+		return otherSize.boundedTo( QSize(
+			r.width() - 10,
+			r.height() - dlg->mdiParent()->captionHeight() - dlg->pos().y() - 10
+		) );
+	}
+	return otherSize;
+}
+
+void KexiViewBase::closeEvent( QCloseEvent * e )
+{
+	bool cancel = false;
+	emit closing(cancel);
+	if (cancel) {
+		e->ignore();
+		return;
+	}
+	QWidget::closeEvent(e);
+}
+
+KoProperty::Set *KexiViewBase::propertySet()
+{
+	return 0;
+}
+
+void KexiViewBase::propertySetSwitched()
+{
+	if (parentDialog())
+		m_mainWin->propertySetSwitched( parentDialog(), false );
+}
+
+void KexiViewBase::propertySetReloaded(bool preservePrevSelection, const QCString& propertyToSelect)
+{
+	if (parentDialog())
+		m_mainWin->propertySetSwitched( parentDialog(), true, preservePrevSelection, propertyToSelect );
+}
+
+void KexiViewBase::setDirty(bool set)
+{
+/*	if (m_dirty == set) {//no change here
+		if (m_dialog) {
+			// however, it's a change from dialog perspective
+			if (m_dialog->dirty()!=set)
+				m_dialog->dirtyChanged();
+		}
+		return;
+	}*/
+	const bool changed = (m_dirty != set);
+	m_dirty = set;
+	m_dirty = dirty();
+//	if (m_dirty!=set)//eventually didn't change
+//		return;
+	if (m_parentView) {
+		m_parentView->setDirty(m_dirty);
+	}
+	else {
+		if (changed && m_dialog)
+			m_dialog->dirtyChanged(this);
+	}
+}
+
+/*bool KexiViewBase::saveData()
+{
+	//TODO....
+
+	//finally:
+	setDirty(false);
+	return true;
+}*/
+
+KexiDB::SchemaData* KexiViewBase::storeNewData(const KexiDB::SchemaData& sdata, bool & /*cancel*/)
+{
+	KexiDB::SchemaData *new_schema = new KexiDB::SchemaData();
+	*new_schema = sdata;
+
+	if (!m_mainWin->project()->dbConnection()
+			->storeObjectSchemaData( *new_schema, true ))
+	{
+		delete new_schema;
+		new_schema=0;
+	}
+	m_newlyAssignedID = new_schema->id();
+	return new_schema;
+}
+
+tristate KexiViewBase::storeData(bool dontAsk)
+{
+	Q_UNUSED(dontAsk);
+	if (!m_dialog || !m_dialog->schemaData())
+		return false;
+	if (!m_mainWin->project()->dbConnection()
+			->storeObjectSchemaData( *m_dialog->schemaData(), false /*existing object*/ ))
+	{
+		return false;
+	}
+	setDirty(false);
+	return true;
+}
+
+bool KexiViewBase::loadDataBlock( QString &dataString, const QString& dataID, bool canBeEmpty )
+{
+	if (!m_dialog)
+		return false;
+	const tristate res = m_mainWin->project()->dbConnection()->loadDataBlock(m_dialog->id(), dataString, dataID);
+	if (canBeEmpty && ~res) {
+		dataString = QString::null;
+		return true;
+	}
+	return res == true;
+}
+
+bool KexiViewBase::storeDataBlock( const QString &dataString, const QString &dataID )
+{
+	if (!m_dialog)
+		return false;
+	int effectiveID;
+	if (m_newlyAssignedID>0) {//ID not yet stored within dialog, but we've got ID here
+		effectiveID = m_newlyAssignedID;
+		m_newlyAssignedID = -1;
+	}
+	else
+		effectiveID = m_dialog->id();
+
+	return effectiveID>0
+		&& m_mainWin->project()->dbConnection()->storeDataBlock(effectiveID, dataString, dataID);
+}
+
+bool KexiViewBase::removeDataBlock( const QString& dataID )
+{
+	if (!m_dialog)
+		return false;
+	return m_mainWin->project()->dbConnection()->removeDataBlock(m_dialog->id(), dataID);
+}
+
+bool KexiViewBase::eventFilter( QObject *o, QEvent *e )
+{
+	if (e->type()==QEvent::FocusIn || e->type()==QEvent::FocusOut) {// && o->inherits("QWidget")) {
+//		//hp==true if currently focused widget is a child of this table view
+//		const bool hp = Kexi::hasParent( static_cast<QWidget*>(o), focusWidget());
+//		kexidbg << "KexiViewBase::eventFilter(): " << o->name() << " " << e->type() << endl;
+		if (KexiUtils::hasParent( this, static_cast<QWidget*>(o))) {
+			if (e->type()==QEvent::FocusOut && focusWidget() && !KexiUtils::hasParent( this, focusWidget())) {
+				//focus out: when currently focused widget is not a parent of this view
+				emit focus(false);
+			} else if (e->type()==QEvent::FocusIn) {
+				emit focus(true);
+			}
+			if (e->type()==QEvent::FocusOut) { // && focusWidget() && Kexi::hasParent( this, focusWidget())) { // && focusWidget()->inherits("KexiViewBase")) {
+//				kdDebug() << focusWidget()->className() << " " << focusWidget()->name()<< endl;
+//				kdDebug() << o->className() << " " << o->name()<< endl;
+				KexiViewBase *v = KexiUtils::findParent<KexiViewBase>(o, "KexiViewBase") ;
+//				QWidget *www=v->focusWidget();
+				if (v) {
+					while (v->m_parentView)
+						v = v->m_parentView;
+					if (KexiUtils::hasParent( this, static_cast<QWidget*>(v->focusWidget()) ))
+						v->m_lastFocusedChildBeforeFocusOut = static_cast<QWidget*>(v->focusWidget());
+//					v->m_lastFocusedChildBeforeFocusOut = static_cast<QWidget*>(o); //focusWidget();
+				}
+			}
+
+			if (e->type()==QEvent::FocusIn && m_actionProxyParent) {
+				m_actionProxyParent->m_focusedChild = this;
+			}
+//			m_mainWin->invalidateSharedActions(this);
+		}
+	}
+	return false;
+}
+
+void KexiViewBase::setViewWidget(QWidget* w, bool focusProxy)
+{
+	if (m_viewWidget == w)
+		return;
+	if (m_viewWidget) {
+		m_viewWidget->removeEventFilter(this);
+	}
+	m_viewWidget = w;
+	if (m_viewWidget) {
+		m_viewWidget->installEventFilter(this);
+		if (focusProxy)
+			setFocusProxy(m_viewWidget); //js: ok?
+	}
+}
+
+void KexiViewBase::addChildView( KexiViewBase* childView )
+{
+	m_children.append( childView );
+	addActionProxyChild( childView );
+	childView->m_parentView = this;
+//	if (m_parentView)
+//		childView->installEventFilter(m_parentView);
+	childView->installEventFilter(this);
+
+}
+
+void KexiViewBase::setFocus()
+{
+	if (!m_lastFocusedChildBeforeFocusOut.isNull()) {
+//		kdDebug() << "FOCUS: " << m_lastFocusedChildBeforeFocusOut->className() << " " << m_lastFocusedChildBeforeFocusOut->name()<< endl;
+		QWidget *w = m_lastFocusedChildBeforeFocusOut;
+		m_lastFocusedChildBeforeFocusOut = 0;
+		w->setFocus();
+	}
+	else {
+		if (hasFocus())
+			setFocusInternal();
+		else
+			setFocusInternal();
+	}
+	m_mainWin->invalidateSharedActions(this);
+}
+
+KAction* KexiViewBase::sharedAction( const char *action_name )
+{
+	if (part()) {
+		KActionCollection *ac;
+		if ( (ac = part()->actionCollectionForMode( viewMode() )) ) {
+			KAction* a = ac->action( action_name );
+			if (a)
+				return a;
+		}
+	}
+	return KexiActionProxy::sharedAction(action_name);
+}
+
+void KexiViewBase::setAvailable(const char* action_name, bool set)
+{
+	if (part()) {
+		KActionCollection *ac;
+		KAction* a;
+		if ( (ac = part()->actionCollectionForMode( viewMode() )) && (a = ac->action( action_name )) ) {
+			a->setEnabled(set);
+//why?			return;
+		}
+	}
+	KexiActionProxy::setAvailable(action_name, set);
+}
+
+void KexiViewBase::updateActions(bool activated)
+{
+	//do nothing here
+	//do the same for children :)
+ 	for (QPtrListIterator<KexiViewBase> it(m_children); it.current(); ++it) {
+		it.current()->updateActions(activated);
+	}
+}
+
+#include "kexiviewbase.moc"
+