categoryedit_p.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

	gl->addWidget( d->deleteBtn, 1, 2 );
#endif
    }
    d->mStrApp = appName;
    d->mVisible = visibleName;
#ifdef QTOPIA_DESKTOP
    // This was set before this function call
    d->checkable = gCheckable;
#else
    d->checkable = TRUE;
#endif

    QStringList appCats = d->mCategories.labels( d->mStrApp );
    QArray<int> cats = d->mCategories.ids(d->mStrApp, appCats);
    lvView->clear();

    QStringList::ConstIterator it;
    int i, j;
    for ( i = 0, it = appCats.begin(); it != appCats.end(); i++, ++it ) {
	CategoryEditListItem *chk
	    = new CategoryEditListItem( lvView, (*it), d->checkable );
	d->setGlobal( chk, d->mCategories.isGlobal((*it)) );
	if ( d->checkable ) {
	    // Is this record using this category, then we should check it
	    for ( j = 0; j < (int)recCats.count(); j++ ) {
		if ( cats[i] == recCats[j] ) {
		    chk->setOn( true );
		    break;
		}
	    }
	}
    }
    lvView->setSorting( 0, TRUE );
    lvView->sort();
    if ( lvView->childCount() >= 1 ) {
	lvView->setSelected( lvView->firstChild(), TRUE );
    }
    enableButtons();
}

#ifdef QTOPIA_DESKTOP
void CategoryEdit::setCategories( const QArray<int> &recCats,
				  QString appName, QString visibleName, bool checkable )
{
    // setCategories will grab this value and put it into the d pointer
    gCheckable = checkable;
    setCategories( recCats, appName, visibleName );
}

void CategoryEdit::refresh()
{
    if ( !d )
	return;
    d->mCategories.load( categoryFileName() );
    setCategories( QArray<int>(), d->mStrApp, d->mVisible, d->checkable );
}
#endif

CategoryEdit::~CategoryEdit()
{
    if ( d )
	delete d;
}

void CategoryEdit::slotSetText( QListViewItem *newItem )
{
    updateInline();

    d->editItem = (CategoryEditListItem*)newItem;
    d->nameChanged = FALSE;

    if ( !d->editItem )
	return;

    d->orgName = d->editItem->text(0);
}

void CategoryEdit::slotAdd()
{
    QString name = "";
    d->mCategories.addCategory( d->mStrApp, name );

    QListViewItem *chk = new CategoryEditListItem( lvView, name, d->checkable );
    d->setGlobal( chk, FALSE );

    lvView->setSelected( chk, TRUE );
    d->nameChanged = TRUE;
    enableButtons();
    d->editingNew = TRUE;
}

void CategoryEdit::slotRemove()
{
    d->editItem = (CategoryEditListItem*)lvView->selectedItem();
    if ( d->editItem ) {
	QListViewItem *nextItem = d->editItem->itemBelow();
	if ( !nextItem )
	    nextItem = d->editItem->itemAbove();

	if ( !d->editingNew ) {
	    if ( d->isGlobal( d->editItem ) ) {
		switch( QMessageBox::warning( this, tr( "Removing Category" ),
			    tr( "<qt>Deleting a global category "
				"effects all applications. "
				"Any items in this category "
				"will become unfiled."
				"<br>Are you sure you want to do this?</qt>"),
			    QMessageBox::Yes,
			    QMessageBox::No | QMessageBox::Default ) ) {
		    case QMessageBox::Yes:
			break;
		    default:
			return;
		}
	    } else {
		switch( QMessageBox::warning( this, tr( "Removing Category" ),
			    tr( "<qt>Deleting a local category will make "
				"all items in this category unfiled."
				"<br>Are you sure you want to do this?</qt>"),
			    QMessageBox::Yes, QMessageBox::No ) ) {

		    case QMessageBox::Yes:
			break;
		    default:
			return;
		}

	    }
	}

	d->mCategories.removeCategory( d->mStrApp, d->orgName );

	d->settingItem = TRUE;
	delete d->editItem;
	d->editItem = 0;
	d->settingItem = FALSE;

	if ( nextItem )
	    lvView->setSelected( nextItem, TRUE );
    }
    if ( lvView->childCount() < 1 ) {
	d->settingItem = TRUE;
	d->settingItem = FALSE;
    }
    enableButtons();
}

void CategoryEdit::slotSetGlobal( bool isChecked )
{
    if ( d->settingItem )
	return;

    if ( d->editItem ) {
	if ( isChecked ) {
	    d->setGlobal( d->editItem, isChecked );
	} else {
	    switch( QMessageBox::warning( this,
			tr( "Global Category" ),
			tr( "<qt>Making this category local "
			    "will delete it from all other apps. "
			    "Any items in this category will become "
			    "unfiled.<br>Continue?</qt>" ),
			QMessageBox::Yes, QMessageBox::No ) ) {

		case QMessageBox::Yes : break;
		default:
		    return;
	    }
	    d->setGlobal( d->editItem, isChecked );
	}

	d->mCategories.setGlobal( d->mStrApp, d->orgName, isChecked );
    }
}

void CategoryEdit::slotTextChanged( const QString &str )
{
    if ( d->editItem == 0 || d->settingItem )
	return;

    d->nameChanged = TRUE;
    d->editItem->setText( str );
}

QArray<int> CategoryEdit::newCategories()
{
    QArray<int> a;
    if ( d ) {
	QStringList sl;
	d->mCategories.save( categoryFileName() );
	QListViewItemIterator it( lvView );
	QValueList<int> l;
	for ( ; it.current(); ++it ) {
	    CategoryEditListItem* item = (CategoryEditListItem*)it.current();
	    if ( item->isOn() )
		l.append( d->mCategories.id( d->mStrApp, item->label() ) );
	}
	int i = 0;
	a.resize( l.count() );
	for ( QValueList<int>::ConstIterator lit = l.begin(); lit != l.end(); ++lit ) {
	    a[(int)i++] = *lit;
	}
    }
    return a;
}

void CategoryEdit::accept()
{
}

#ifdef QTOPIA_DESKTOP
static QString mCatFileName;

void Categories::setCategoryFileName(const QString &s)
{
    mCatFileName = s;
}
#endif

QString categoryFileName()
{
#ifdef QTOPIA_DESKTOP
    return mCatFileName;
#else

    QDir dir = QString(QDir::homeDirPath() + "/Settings");
    if ( !dir.exists() )
#ifndef Q_OS_WIN32
	mkdir( dir.path().local8Bit(), 0700 );
#else
        dir.mkdir(dir.path());
#endif
    return dir.path() + "/" + "Categories" + ".xml"; // No tr
#endif // QTOPIA_DESKTOP
}

void CategoryEdit::kludge()
{
    lvView->setMaximumHeight( 130 );
}

bool CategoryEdit::tryAccept()
{
    if ( d->editDialogHack ) {
	slotSetText( d->editItem );
	if ( d->changedGlobal )
	    slotSetGlobal( !d->isGlobal( d->editItem ) );
	return TRUE;
    } else {
	return updateInline();
    }
}

bool CategoryEdit::updateInline()
{
    bool result = TRUE;
    disconnect( lvView, SIGNAL( selectionChanged(QListViewItem*) ), this, SLOT( slotSetText(QListViewItem*) ) );
    if ( d->nameChanged && d->editItem ) {
	d->settingItem = TRUE;

	QString newName = d->editItem->text( 0 );
	RenameResult r = (RenameResult) tryRename(newName, d->isGlobal( d->editItem ) );
	if ( r == Ok ) {
	    d->editItem->setText( newName );
	} else if ( r == Failed ) {
	    d->editItem->setText( d->orgName );
	    result = FALSE;
	} else if ( r == MadeGlobal ) {
	    d->editItem->setText( d->orgName );

	    QListViewItem *c = new CategoryEditListItem( lvView, newName, d->checkable );

	    d->setGlobal( c, TRUE );
	    result = FALSE;
	}

	d->settingItem = FALSE;
    }

    connect( lvView, SIGNAL( selectionChanged(QListViewItem*) ), this, SLOT( slotSetText(QListViewItem*) ) );
    return result;
}

static bool contains(const Categories &c, const QString &label)
{
    if ( c.globalGroup().contains(label) )
	return TRUE;

    for ( QMap<QString, CategoryGroup>::ConstIterator it = c.appGroupMap().begin();
	    it != c.appGroupMap().end(); ++it ) {

	if ( (*it).contains(label) )
	    return TRUE;
    }

    return FALSE;
}

static void setGlobal(Categories &c, const QString &catname)
{
    for ( QMap<QString, CategoryGroup>::ConstIterator it = c.appGroupMap().begin();
	    it != c.appGroupMap().end(); ++it ) {

	if ( (*it).contains(catname) ) {
	    c.setGlobal( it.key(), catname, TRUE );
	    return;
	}
    }
}

int CategoryEdit::tryRename(const QString &newName, bool global)
{
    QString name = newName.stripWhiteSpace();
    if ( name == d->orgName )
	return (int) Ok;
    if (name.isEmpty() )
	return (int) Failed;

    if ( contains(d->mCategories, newName) && !d->mCategories.globalGroup().contains(newName)
	    && !d->mCategories.appGroupMap()[d->mStrApp].contains(newName) ) {
	switch( QMessageBox::warning( d->w, tr("Duplicate categories"),
				  tr("<qt>There already exists a local category named "
				  "<b>%1</b> in another application."
				  "<br>Make that category a global group?</qt>").arg(newName),
				  QMessageBox::Yes, QMessageBox::No) ) {

	    case QMessageBox::Yes:
		setGlobal(d->mCategories, newName);
		return (int) MadeGlobal;
	    case QMessageBox::No: return (int) Failed;
	}
    }

    bool success;
    if ( global ) {
	success = d->mCategories.renameGlobalCategory( d->orgName, newName );
    } else {
	success = d->mCategories.renameCategory( d->mStrApp, d->orgName, newName );
    }
    if ( !success ) {
        //append number to cat name until we find a name that doesn't exist yet
        int version = 2;
        QString tmpName;
        while (!success) {
            tmpName = newName;
            tmpName += QString::number(version);
            if (global) {
	        success = d->mCategories.renameGlobalCategory( d->orgName, tmpName );
            } else {
	        success = d->mCategories.renameCategory( d->mStrApp, d->orgName, tmpName );
            }
            if (success) 
                d->orgName = tmpName;
            version++;
        }

	QMessageBox::warning( d->w, tr("Duplicate categories"),
			      tr("<qt>There is already a category named "
				 "%1. Please choose another name, or delete "
				 "the duplicate.</qt>").arg(newName) );
	return (int) Failed;
    } else
	return (int) Ok;
}

void CategoryEdit::enableButtons()
{
    CategoryEditListItem *editItem = (CategoryEditListItem*)lvView->currentItem();
    bool e = editItem?editItem->editable():FALSE;
    d->editAction->setEnabled(e);
    d->deleteAction->setEnabled(e);
#ifndef QTOPIA_PHONE
    d->editBtn->setEnabled(e);
    d->deleteBtn->setEnabled(e);
#endif
}

#include "categoryedit_p.moc"