/*! \brief Constructor of CategoryPreferencesView * \details It's a descendant of BView. * \param[in] frame The frame rectangle of the view. */ CategoryPreferencesView::CategoryPreferencesView( BRect frame ) : BView( frame, "Category Preferences", B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE ) { BLayoutItem* layoutItem = NULL; BMessage* toSend = NULL; menuField = NULL; this->SetViewColor( ui_color( B_PANEL_BACKGROUND_COLOR ) ); /*! \note Layout of the view * The view has a grid layout. It's arranged in the following way: * 1) Left column - list of Categories (CategoryList) that * contains all categories currently available. * 2) Right column - three buttons, from top to bottom: * 2a) Edit currently selected category - guess what it's doing * 2b) Add a new category * 2c) Merge a current directory into another one + menu with * all categories. The category selected in the list is disabled. * \note Restrictions: * a) The list of categories is scrolled. * b) If no category is selected, then * i) "Edit" button is disabled * ii) "Merge to" field is disabled * */ BGridLayout* gridLayout = new BGridLayout(); if ( !gridLayout ) { /* Panic! */ exit( 1 ); } // Margins from the sides of the view and spacing between the elements gridLayout->SetInsets( 5, 5, 5, 5 ); gridLayout->SetHorizontalSpacing( 10 ); gridLayout->SetVerticalSpacing( 10 ); this->SetLayout( gridLayout ); gridLayout->SetExplicitAlignment( BAlignment( B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT ) ); gridLayout->SetExplicitMinSize( BSize( (this->Bounds()).Width(), (this->Bounds()).Height() ) ); BRect rect = gridLayout->Frame(); printf ( "The frame is %d pixels wide and %d pixels high.\n", (int )rect.Width(), (int )rect.Height() ); /* Creating the CategoryListView with its scroller */ BRect r( this->Bounds() ); r.InsetBySelf( 5, 10 ); // Margins near the border of the view r.right = (int)(r.right / 2) - B_V_SCROLL_BAR_WIDTH; r.bottom -= 0; listView = new CategoryListView( r, "List View" ); if ( ! listView ) { /* Panic! */ exit( 1 ); } BLooper* looper = this->Looper(); if ( looper && looper->LockLooper() ) { looper->AddHandler( ( BHandler* )this ); looper->UnlockLooper(); } scroller = new BScrollView( "Scroller", listView, B_FOLLOW_LEFT | B_FOLLOW_TOP, 0, // Flags true, true ); if ( !scroller ) { /* Panic! */ exit( 1 ); } layoutItem = gridLayout->AddView( scroller, 0, 0, 1, 3 ); if ( !layoutItem ) { /* Panic! */ exit( 1 ); } layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_USE_FULL_HEIGHT ) ); toSend = new BMessage( kCategoryInvoked ); if ( !toSend ) { /* Panic! */ exit( 1 ); } listView->SetInvocationMessage( toSend ); toSend = new BMessage( kCategorySelected ); if ( !toSend ) { /* Panic! */ exit( 1 ); } listView->SetSelectionMessage( toSend ); r = listView->Bounds(); r.bottom += B_H_SCROLL_BAR_HEIGHT + 3; r.right -= ( B_V_SCROLL_BAR_WIDTH + 10 ); layoutItem->SetExplicitMinSize( BSize( ( B_V_SCROLL_BAR_WIDTH * 2 ), r.Height() ) ); gridLayout->SetMaxColumnWidth( 0, r.Width()-70 ); gridLayout->SetMaxColumnWidth( 1, r.Width()-66 ); // Add categories to the list PopulateCategoriesView(); /* Creating the buttons */ // Add new category button toSend = new BMessage( kAddNewCategory ); addButton = new BButton( BRect( 0, 0, 1, 1), "Add category", "Add category", toSend, B_FOLLOW_H_CENTER | B_FOLLOW_V_CENTER ); if ( !toSend || !addButton ) { /* Panic! */ exit( 1 ); } addButton->ResizeToPreferred(); addButton->SetTarget( this ); layoutItem = gridLayout->AddView( addButton, 1, 0, 1, 1 ); layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER ) ); // Edit old category button toSend = new BMessage( kCategoryInvoked ); editButton = new BButton( BRect( 0, 0, 1, 1), "Edit category", "Edit category", toSend, B_FOLLOW_H_CENTER | B_FOLLOW_V_CENTER ); if ( !toSend || !editButton ) { /* Panic! */ exit( 1 ); } editButton->ResizeToPreferred(); editButton->SetTarget( this ); layoutItem = gridLayout->AddView( editButton, 1, 1, 1, 1 ); layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER ) ); // Edit category button is disabled by default; // it's enabled when user chooses a category in the list. editButton->SetEnabled( false ); /* Creating the menu of merging a category */ // Create a label BGroupLayout* groupLayout = new BGroupLayout( B_VERTICAL ); if ( !groupLayout ) { /* Panic! */ exit( 1 ); } gridLayout->AddItem( groupLayout, 1, 2, 1, 1 ); groupLayout->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_TOP ) ); mergeToLabel = new BStringView( BRect( 0, 0, 1, 1 ), "Merge to label", "Merge selected category into:" ); if ( !mergeToLabel ) { /* Panic! */ exit( 1 ); } mergeToLabel->ResizeToPreferred(); layoutItem = groupLayout->AddView( mergeToLabel ); layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_TOP ) ); // Create the menu BMessage templateMessage( kMergeIntoCategory ); listMenu = new CategoryMenu( "Select category to merge to:", true, &templateMessage ); if ( !listMenu ) { /* Panic! */ exit( 1 ); } menuField = new BMenuField( mergeToLabel->Bounds(), "Merge to field", NULL, listMenu ); if ( !menuField ) { /* Panic! */ exit( 1 ); } menuField->SetDivider( 0 ); // Just like the "Edit" button above, the menu is initially disabled. menuField->SetEnabled( false ); layoutItem = groupLayout->AddView( menuField ); layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_USE_FULL_WIDTH, B_ALIGN_TOP ) ); for ( int index = 0; index < gridLayout->CountColumns(); ++index ) { gridLayout->SetColumnWeight( index, 1 ); } for ( int index = 0; index < gridLayout->CountRows(); ++index ) { gridLayout->SetRowWeight( index, 1 ); } gridLayout->InvalidateLayout(); } // <-- end of constructor of CategoryPreferencesView
/*! * \brief Create box for selection of the weekend days * \note Additionally, select the color for weekends and weekdays * \param[in] frame Enclosing rectangle. * \param[in] id Reference to name of the selected Calendar module. * \returns Pointer to all-set-up BBox. Or NULL in case of error. */ BBox* CalendarModulePreferencesView::CreateWeekendSelectionBox( BRect frame, const BString &id ) { /*! \par Notes on implementation: * It's not all that straightforward - to create this selection box. * The problem is that number of days in week is dependent on the * Calendar Module, therefore the frame rectangle must be divided * properly. We should take into account the possibility that there's * not enough place for all days in the submitted frame. * * \par * The solution will be as follows: * Let number of days in week be N. I create two columns and * several rows (the number depends on N). Days in week will be * proceeded in the order <em>as Calendar Module supplies them</em>. * The days occupy both columns, and are located in rows * [0, (ceiling of (N/2)) ). Days returned from CalendarModule are * placed as follows: days from 0 to (ceiling of (N/2)-1) in the left * column, days from (ceiling of (N/2)-1) to (N-1) in right column. * * \par * There will be an empty cell in the right column, if number * of days in week is odd, (which is usually the case). */ frame.InsetBySelf( 5, 0 ); BMessage* toSend = NULL; BCheckBox* dayCheckBox = NULL; BString tempString; BLayoutItem* layoutItem = NULL; CalendarModulePreferences* prefs = NULL; CalendarModule* calModule = NULL; int height = 0; //!< this is used to resize the BBox to proper size calModule = utl_FindCalendarModule( id ); if ( calModule == NULL ) { /* Error */ utl_Deb = new DebuggerPrintout( "Did not succeed to find the calendar module." ); return NULL; } // Get the data on days of week uint32 daysInWeek = ( uint32 )( calModule->GetDaysInWeek() ); map<uint32, DoubleNames> weekdayNames = calModule->GetWeekdayNames(); /* Obtain the current Calendar Module preferences */ prefs = pref_GetPreferencesForCalendarModule( id ); if ( !prefs ) { utl_Deb = new DebuggerPrintout( "Did not succeed to find the preferences for the calendar module." ); return NULL; } // At this point, "pref" points to current preferences of this calendar module. BList* weekends = prefs->GetWeekends(); // Get info on currently selected weekends // Prepare the item to be returned BBox* enclosingBox = new BBox( frame, "Weekend selector" ); if ( !enclosingBox ) { /* Panic! */ exit(1); } enclosingBox->SetLabel( "Select the non-working days (weekends)" ); // Prepare the layout to be used BGridLayout* layout = new BGridLayout(); if ( !layout) { /* Panic! */ exit(1); } enclosingBox->SetLayout( layout ); layout->SetInsets( 10, 15, 10, 5 ); layout->SetVerticalSpacing( 1 ); /* indexX is 0 for left column or 1 for right column. * indexY is 0 for topmost row, 1 for second from top row, etc. * Max value for indexY = (ceiling of (N/2)). */ int indexX = 0, indexY = 0; for (uint32 day = prefs->GetFirstDayOfWeek(), i = 0; i < ( uint32 )daysInWeek; ++i ) { /* Creating the message to be sent */ toSend = new BMessage( kCalendarModuleWeekendDaySelected ); if ( !toSend ) { /* Panic! */ exit(1); } toSend->AddInt32( "Weekday const", day ); toSend->AddString( "Calendar module", id ); /* Set the name of the checkbox. * This is used to identify if the checkbox was checked or unchecked. */ tempString.SetTo( "Weekday" ); tempString << day; /* Creating the checkbox */ dayCheckBox = new BCheckBox( BRect(0, 0, 1, 1), tempString.String(), weekdayNames[ day ].longName.String(), toSend ); if (!dayCheckBox) { // Panic! exit(1); } dayCheckBox->ResizeToPreferred(); // Check if the checkbox should be checked if ( weekends->HasItem( ( void* )day ) ) { dayCheckBox->SetValue( 1 ); } else { dayCheckBox->SetValue( 0 ); } /* Adding the item to the BBox */ layoutItem = layout->AddView( dayCheckBox, indexX, indexY ); if ( layoutItem ) { layoutItem->SetExplicitAlignment( BAlignment( B_ALIGN_LEFT, B_ALIGN_TOP ) ); // layoutItem->SetExplicitMaxSize( BSize( (int )dayCheckBox->Bounds().Width(), (int )dayCheckBox->Bounds().Height() ) ); layout->SetMaxRowHeight( indexY, (int )dayCheckBox->Bounds().Height() + 10 ); layout->SetRowWeight( indexY, 0 ); } /* Advancing to the next cell in grid */ // If arrived to the last item in the first column, advancing to second // The +1 is needed because i starts from 0, but days are starting from 1 if ( ( i + 1 ) == ( unsigned int )( ( daysInWeek + 1 ) / 2 ) ) { indexX = 1; indexY = 0; } else // Staying in the same column, but advancing down { ++indexY; } /* Advancing to the next day */ ( day == daysInWeek ) ? day = kSunday : ++day; } // <-- end of "for (all days in week)" // Resizing the BBox to the correct size. // Note: dayCheckBox is surely not NULL; if it were, we would exit earlier. height =(int )( ( dayCheckBox->Bounds().Height() + 5 ) * ( int )( ( daysInWeek + 1 ) / 2 ) - 5 ); // Formula: ( ^height of one checkbox^ + ^separator^ ) * ( ^number of days in column^ ) - ^one unneeded extra separator^ enclosingBox->ResizeTo( enclosingBox->Bounds().Width() - 10, ( int )height ); // layout->SetExplicitMaxSize( BSize( enclosingBox->Bounds().Width() - 5, ( int )height + 25 ) ); return enclosingBox; }