void KexiWindow::removeView(Kexi::ViewMode mode)
{
KexiView *view = viewForMode(mode);
if (view) {
d->stack->removeWidget(view);
d->views.remove(mode);
}
d->openedViewModes |= mode;
d->openedViewModes ^= mode;
}
bool KexiWindow::isDirty() const
{
//look for "dirty" flag
int m = d->openedViewModes;
int mode = 1;
while (m > 0) {
if (m & 1) {
KexiView *view = viewForMode(static_cast<Kexi::ViewMode>(mode));
if (view && view->isDirty()) {
return true;
}
}
m >>= 1;
mode <<= 1;
}
return false;
}
void KexiWindow::setDirty(bool dirty)
{
d->dirtyChangedEnabled = false;
int m = d->openedViewModes;
int mode = 1;
while (m > 0) {
if (m & 1) {
KexiView *view = viewForMode(static_cast<Kexi::ViewMode>(mode));
if (view) {
view->setDirty(dirty);
}
}
m >>= 1;
mode <<= 1;
}
d->dirtyChangedEnabled = true;
dirtyChanged(d->viewThatRecentlySetDirtyFlag); //update
}
void KexiWindow::removeView(Kexi::ViewMode mode)
{
removeView(viewForMode(mode));
d->openedViewModes |= mode;
d->openedViewModes ^= mode;
}
tristate KexiWindow::switchToViewMode(
Kexi::ViewMode newViewMode,
QMap<QString, QVariant>* staticObjectArgs,
bool& proposeOpeningInTextViewModeBecauseOfProblems)
{
KexiMainWindowIface::global()->acceptPropertySetEditing();
const bool designModePreloadedForTextModeHack = isDesignModePreloadedForTextModeHackUsed(newViewMode);
tristate res = true;
if (designModePreloadedForTextModeHack) {
/* A HACK: open design BEFORE text mode: otherwise Query schema becames crazy */
bool _proposeOpeningInTextViewModeBecauseOfProblems = false; // used because even if opening the view failed,
// text view can be opened
res = switchToViewMode(Kexi::DesignViewMode, staticObjectArgs, _proposeOpeningInTextViewModeBecauseOfProblems);
if ((!res && !_proposeOpeningInTextViewModeBecauseOfProblems) || ~res)
return res;
}
kDebug();
bool dontStore = false;
KexiView *view = selectedView();
if (d->currentViewMode == newViewMode)
return true;
if (!supportsViewMode(newViewMode)) {
kWarning() << "!" << Kexi::nameForViewMode(newViewMode);
return false;
}
if (view) {
res = true;
if (view->isDataEditingInProgress()) {
KGuiItem saveItem(KStandardGuiItem::save());
saveItem.setText(i18n("Save Changes"));
KGuiItem dontSaveItem(KStandardGuiItem::dontSave());
KGuiItem cancelItem(KStandardGuiItem::cancel());
cancelItem.setText(i18n("Do Not Switch"));
const int res = KMessageBox::questionYesNoCancel(
selectedView(),
i18n("There are unsaved changes in object \"%1\". "
"Do you want to save these changes before switching to other view?")
.arg(partItem()->captionOrName()),
i18n("Confirm Saving Changes"),
saveItem, dontSaveItem, cancelItem
);
if (res == KMessageBox::Yes) {
if (true != view->saveDataChanges())
return cancelled;
}
else if (res == KMessageBox::No) {
if (true != view->cancelDataChanges())
return cancelled;
}
else { // Cancel:
return cancelled;
}
}
if (!designModePreloadedForTextModeHack) {
res = view->beforeSwitchTo(newViewMode, dontStore);
}
if (~res || !res)
return res;
if (!dontStore && view->isDirty()) {
res = KexiMainWindowIface::global()->saveObject(this, i18n("Design has been changed. "
"You must save it before switching to other view."));
if (~res || !res)
return res;
// KMessageBox::questionYesNo(0, i18n("Design has been changed. You must save it before switching to other view."))
// ==KMessageBox::No
}
}
//get view for viewMode
KexiView *newView = viewForMode(newViewMode);
if (newView && !newView->inherits("KexiView")) {
newView = 0;
}
if (!newView) {
KexiUtils::setWaitCursor();
//ask the part to create view for the new mode
d->creatingViewsMode = newViewMode;
KexiPart::StaticPart *staticPart = dynamic_cast<KexiPart::StaticPart*>((KexiPart::Part*)d->part);
if (staticPart)
newView = staticPart->createView(this, this, *d->item, newViewMode, staticObjectArgs);
else
newView = d->part->createView(this, this, *d->item, newViewMode, staticObjectArgs);
KexiUtils::removeWaitCursor();
if (!newView) {
//js TODO error?
kWarning() << "Switching to mode " << newViewMode << " failed. Previous mode "
<< d->currentViewMode << " restored.";
return false;
}
d->creatingViewsMode = Kexi::NoViewMode;
newView->initViewActions();
newView->initMainMenuActions();
addView(newView, newViewMode);
}
const Kexi::ViewMode prevViewMode = d->currentViewMode;
res = true;
if (designModePreloadedForTextModeHack) {
d->currentViewMode = Kexi::NoViewMode; //SAFE?
}
res = newView->beforeSwitchTo(newViewMode, dontStore);
proposeOpeningInTextViewModeBecauseOfProblems
= data()->proposeOpeningInTextViewModeBecauseOfProblems;
if (!res) {
removeView(newViewMode);
delete newView;
kWarning() << "Switching to mode " << newViewMode << " failed. Previous mode "
<< d->currentViewMode << " restored.";
return false;
}
d->currentViewMode = newViewMode;
d->newlySelectedView = newView;
if (prevViewMode == Kexi::NoViewMode)
d->newlySelectedView->setDirty(false);
res = newView->afterSwitchFrom(
designModePreloadedForTextModeHack ? Kexi::NoViewMode : prevViewMode);
proposeOpeningInTextViewModeBecauseOfProblems
= data()->proposeOpeningInTextViewModeBecauseOfProblems;
if (!res) {
removeView(newViewMode);
delete newView;
kWarning() << "Switching to mode " << newViewMode << " failed. Previous mode "
<< prevViewMode << " restored.";
const Kexi::ObjectStatus status(*this);
setStatus(KexiMainWindowIface::global()->project()->dbConnection(),
i18n("Switching to other view failed (%1).", Kexi::nameForViewMode(newViewMode)), "");
append(status);
d->currentViewMode = prevViewMode;
return false;
}
d->newlySelectedView = 0;
if (~res) {
d->currentViewMode = prevViewMode;
return cancelled;
}
if (view) {
takeActionProxyChild(view); //take current proxy child
// views have distinct local toolbars, and user has switched the mode button so switch it back
//view->toggleViewModeButtonBack();
}
addActionProxyChild(newView); //new proxy child
d->stack->setCurrentWidget(newView);
newView->propertySetSwitched();
KexiMainWindowIface::global()->invalidateSharedActions(newView);
newView->setFocus();
return true;
}
bool KexiWindow::isDesignModePreloadedForTextModeHackUsed(Kexi::ViewMode newViewMode) const
{
return newViewMode == Kexi::TextViewMode
&& !viewForMode(Kexi::DesignViewMode)
&& supportsViewMode(Kexi::DesignViewMode);
}
