def _createButtons(self, cfg):
'''
Creates DirectGui elements for displaying the paging and scrolling buttons.
The sprite names are read from the configuration.
The create DirectButtons use sprites as images.
@param cfg: a ConfigVars instance
'''
# button to display next page of items
nxPgBtnSprite = cfg.get(PanoConstants.CVAR_INVENTORY_NEXTPAGE_SPRITE)
nxPgBtnPressedSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_NEXTPAGE_PRESSED_SPRITE)
nxPgBtnHoverSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_NEXTPAGE_HOVER_SPRITE)
nxPgBtnPos = cfg.getVec2(PanoConstants.CVAR_INVENTORY_NEXTPAGE_POS)
# button to display previous page of items
pvPgBtnSprite = cfg.get(PanoConstants.CVAR_INVENTORY_PREVPAGE_SPRITE)
pvPgBtnPressedSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_PREVPAGE_PRESSED_SPRITE)
pvPgBtnHoverSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_PREVPAGE_HOVER_SPRITE)
pvPgBtnPos = cfg.getVec2(PanoConstants.CVAR_INVENTORY_PREVPAGE_POS)
# button to scroll to next items
scrNxBtnSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLNEXT_SPRITE)
scrNxBtnPressedSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLNEXT_PRESSED_SPRITE)
scrNxBtnHoverSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLNEXT_HOVER_SPRITE)
scrNxBtnPos = cfg.getVec2(PanoConstants.CVAR_INVENTORY_SCROLLNEXT_POS)
# button to scroll to previous items
scrPvBtnSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLPREV_SPRITE)
scrPvBtnPressedSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLPREV_PRESSED_SPRITE)
scrPvBtnHoverSprite = cfg.get(
PanoConstants.CVAR_INVENTORY_SCROLLPREV_HOVER_SPRITE)
scrPvBtnPos = cfg.getVec2(PanoConstants.CVAR_INVENTORY_SCROLLPREV_POS)
sprites = self.game.getView().getSpritesFactory()
origin = aspect2d.getRelativePoint(screen2d, VBase3(0, 0, 0))
# for every button define property name, position, callback, list of sprites for normal, pressed and hover state
pagingButtons = [
('nextPageButton', nxPgBtnPos, self._nextPageCallback,
[(nxPgBtnSprite, 'next_page_sprite'),
(nxPgBtnPressedSprite, 'next_page_pressed_sprite'),
(nxPgBtnHoverSprite, 'next_page_hover_sprite')]),
('prevPageButton', pvPgBtnPos, self._previousPageCallback,
[(pvPgBtnSprite, 'previous_page_sprite'),
(pvPgBtnPressedSprite, 'previous_page_pressed_sprite'),
(pvPgBtnHoverSprite, 'previous_page_hover_sprite')]),
('scrollNextButton', scrNxBtnPos, self._scrollNextCallback,
[(scrNxBtnSprite, 'scroll_next_sprite'),
(scrNxBtnPressedSprite, 'scroll_next_pressed_sprite'),
(scrNxBtnHoverSprite, 'scroll_next_hover_sprite')]),
('scrollPrevButton', scrPvBtnPos, self._scrollPreviousCallback,
[(scrPvBtnSprite, 'scroll_previous_sprite'),
(scrPvBtnPressedSprite, 'scroll_previous_pressed_sprite'),
(scrPvBtnHoverSprite, 'scroll_previous_hover_sprite')]),
]
for buttonName, buttonPos, buttonCallback, spritesList in pagingButtons:
buttonGeoms = [None, None, None, None]
btnScrBounds = [0, 0, 0]
i = 0
for spriteFile, spriteName in spritesList:
print 'adding sprite %s' % spriteName
if spriteFile is not None:
spr = None
if spriteFile.rindex('.') >= 0:
ext = spriteFile[spriteFile.rindex('.'):]
print ext
if ResourcesTypes.isExtensionOfType(
ext, PanoConstants.RES_TYPE_IMAGES):
spr = Sprite(spriteName)
spr.image = spriteFile
else:
spr = self.game.getResources().loadSprite(spriteFile)
if spr:
buttonGeoms[i] = sprites.createSprite(spr).nodepath
buttonGeoms[i].setScale(1.0)
btnScrBounds = aspect2d.getRelativePoint(
screen2d, VBase3(spr.width, 1.0,
spr.height)) - origin
btnScrBounds[2] *= -1
i += 1
if buttonGeoms[0] is not None:
b = DirectButton(
geom=(buttonGeoms[0],
buttonGeoms[1] if buttonGeoms[1] else buttonGeoms[0],
buttonGeoms[2] if buttonGeoms[2] else buttonGeoms[0],
buttonGeoms[3]
if buttonGeoms[3] else buttonGeoms[0]),
relief=None)
b['geom_pos'] = (0, 0, 0)
b.setTransparency(1)
# if position is omitted from the configuration, put the button on the upper left corner
if buttonPos is not None:
b.setPos(
aspect2d.getRelativePoint(
screen2d, VBase3(buttonPos[0], 1.0, buttonPos[1])))
else:
b.setPos(origin[0], 1.0, origin[2])
b.setScale(btnScrBounds[0], 1.0, btnScrBounds[2])
b.setFrameSize((0, btnScrBounds[0], 1.0, btnScrBounds[2]))
b['command'] = buttonCallback
b['extraArgs'] = (self.msn, )
b.hide()
else:
b = None
setattr(self, buttonName, b)
