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Refactor a little bit in order to better handle the button states as suggested by Axel. Should resolve #7073.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40193 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rene Gollent 2011-01-10 18:09:13 +00:00
parent ed32e8efbb
commit 0baa186bfb
2 changed files with 27 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
src/apps/bootmanager/DrivesPage.cpp
View File

@ -195,7 +195,8 @@ DrivesPage::DrivesPage(WizardView* wizardView, const BootMenuList& menus,
BMessage* settings, const char* name)
:
WizardPageView(settings, name),
fWizardView(wizardView)
fWizardView(wizardView),
fHasInstallableItems(false)
{
BString text;
text << B_TRANSLATE_COMMENT("Drives", "Title") << "\n"
@ -207,8 +208,6 @@ DrivesPage::DrivesPage(WizardView* wizardView, const BootMenuList& menus,
fDrivesView = new BListView("drives");
fDrivesView->SetSelectionMessage(new BMessage(kMsgSelectionChanged));
bool any = _FillDrivesView(menus);
BScrollView* scrollView = new BScrollView("scrollView", fDrivesView, 0,
false, true);
@ -218,18 +217,8 @@ DrivesPage::DrivesPage(WizardView* wizardView, const BootMenuList& menus,
.Add(description, 0.5)
.Add(scrollView, 1);
fWizardView->SetPreviousButtonHidden(!any);
if (any) {
fWizardView->SetPreviousButtonLabel(
B_TRANSLATE_COMMENT("Uninstall", "Button"));
if (fDrivesView->CurrentSelection() == -1) {
fWizardView->SetPreviousButtonEnabled(false);
fWizardView->SetNextButtonEnabled(false);
}
} else {
fWizardView->SetNextButtonLabel(
B_TRANSLATE_COMMENT("Quit", "Button"));
}
_UpdateWizardButtons(NULL);
_FillDrivesView(menus);
}
@ -273,14 +262,14 @@ DrivesPage::MessageReceived(BMessage* message)
/*! Builds the list view items, and adds them to fDriveView.
Returns whether there were any possible install targets. Automatically
Sets the fHasInstallableItems member to indicate if there
are any possible install targets. Automatically
selects the boot drive.
*/
bool
void
DrivesPage::_FillDrivesView(const BootMenuList& menus)
{
const char* selected = fSettings->FindString("disk");
bool any = false;
BDiskDeviceRoster roster;
BDiskDevice device;
@ -288,7 +277,7 @@ DrivesPage::_FillDrivesView(const BootMenuList& menus)
if (device.HasMedia() && !device.IsReadOnly()) {
DriveItem* item = new DriveItem(device, menus);
if (item->CanBeInstalled())
any = true;
fHasInstallableItems = true;
fDrivesView->AddItem(item);
if ((selected == NULL && item->IsBootDrive())
@ -298,8 +287,6 @@ DrivesPage::_FillDrivesView(const BootMenuList& menus)
}
}
}
return any;
}
@ -313,8 +300,24 @@ DrivesPage::_SelectedDriveItem()
void
DrivesPage::_UpdateWizardButtons(DriveItem* item)
{
if (item == NULL)
fWizardView->SetPreviousButtonHidden(!fHasInstallableItems);
if (fHasInstallableItems) {
fWizardView->SetPreviousButtonLabel(
B_TRANSLATE_COMMENT("Uninstall", "Button"));
if (fDrivesView->CurrentSelection() == -1) {
fWizardView->SetPreviousButtonEnabled(false);
fWizardView->SetNextButtonEnabled(false);
}
} else {
fWizardView->SetNextButtonLabel(
B_TRANSLATE_COMMENT("Quit", "Button"));
}
if (item == NULL) {
fWizardView->SetPreviousButtonEnabled(false);
fWizardView->SetNextButtonEnabled(false);
return;
}
fWizardView->SetPreviousButtonEnabled(
item->CanBeInstalled() && item->IsInstalled());

3
src/apps/bootmanager/DrivesPage.h
View File

@ -31,13 +31,14 @@ protected:
void MessageReceived(BMessage* message);
private:
bool _FillDrivesView(const BootMenuList& menus);
void _FillDrivesView(const BootMenuList& menus);
DriveItem* _SelectedDriveItem();
void _UpdateWizardButtons(DriveItem* item);
private:
WizardView* fWizardView;
BListView* fDrivesView;
bool fHasInstallableItems;
};