def layoutRow(self, rect, scale, row):
# [TODO]
if len(row) == 0:
return rect
if rect.width() > rect.height():
dir = 'Horizontal'
else:
dir = 'Vertical'
primary = max(rect.width(), rect.height())
sum = row.sumTotalSizes()
secondary = int(sum * (1.0 * scale) / primary)
if sum == 0: # Prevent division by zero.
return rect
if secondary < self._parentView.minTileSize(
): # We don't want tiles that small.
return rect
offset = 0
remaining = primary
for fileInfo in row:
childSize = int((1.0 * fileInfo.totalSize()) /
(1.0 * sum) * primary + 0.5)
if childSize > remaining: # Prevent overflow because of accumulated rounding errors
childSize = remaining
remaining -= childSize
if childSize >= self._parentView.minTileSize():
if dir == 'Horizontal':
childRect = Rect(Point(rect.x() + offset, rect.y()),
Size(childSize, secondary))
else:
childRect = Rect(Point(rect.x(),
rect.y() + offset),
Size(secondary, childSize))
tile = TreemapTile(self._parentView,
self,
fileInfo,
childRect,
orientation='Auto')
# What should I do with the tile ?
offset += childSize
if (dir == 'Horizontal'):
newRect = Rect(Point(rect.x(),
rect.y() + secondary),
Size(rect.width(),
rect.height() - secondary))
else:
newRect = Rect(Point(rect.x() + secondary, rect.y()),
Size(rect.width() - secondary, rect.height()))
return newRect
def rebuildTreemap( self, newRoot=None, newSize=None ):
needtoclean_savedRootUrl = False
if not newRoot :
(newRoot,newSize) = self._getparam_rebuildTreemap()
needtoclean_savedRootUrl = True
if not newSize :
newSize = self.visibleSize()
self._selectedTile = None;
self._selectionRect = None;
self._rootTile = None;
self.canvas().resize( newSize.width(), newSize.height() )
if newSize.width() >= UpdateMinSize and newSize.height() >= UpdateMinSize :
if newRoot :
self._rootTile = TreemapTile(
self, # parentView
None, # parentTile
newRoot, # orig
Rect( point=Point(0, 0), size=newSize ),
'Auto' )
# if self._tree.selection() :
# self.selectTile( self._tree.selection() )
if needtoclean_savedRootUrl :
self._savedRootUrl = ""
def createChildrenSimple(self, rect, orientation):
dir = orientation
childDir = orientation
if dir == 'Auto':
if rect.width() > rect.height():
dir = 'Horizontal'
else:
dir = 'Vertical'
if orientation == 'Horizontal': childDir = 'Vertical'
if orientation == 'Vertical': childDir = 'Horizontal'
offset = 0
size = {'Horizontal': rect.width(), 'Vertical': rect.height()}[dir]
# count = 0
scale = (1.0 * size) / (1.0 * self._orig.totalSize())
fileInfoList = FileInfoList(self._orig,
minSize=self._parentView.minTileSize() /
scale,
bySize=True,
param='AsSubDir')
# KFileInfoSortedBySizeIterator it( _orig,
# (KFileSize) ( _parentView->minTileSize() / scale ),
# KDotEntryAsSubDir );
for fileInfo in fileInfoList:
childSize = fileInfo.totalSize()
if childSize >= self._parentView.minTileSize():
if dir == 'Horizontal':
childRect = Rect(point=Point(rect.x() + offset, rect.y()),
size=Size(childSize, rect.height()))
else:
childRect = Rect(point=Point(rect.x(),
rect.y() + offset),
size=Size(rect.width(), childSize))
tile = TreemapTile(self._parentView, self, fileInfo, childRect,
childDir)
offset += childSize
def rebuildTreemap(self, newRoot, newSize=None):
"""Build/Rebuild the tree."""
if not newSize:
newSize = self.visibleSize()
self._selectedTile = None
self._selectionRect = None
self._rootTile = None
self.canvas().resize(newSize.width(), newSize.height())
if newSize.width() >= UpdateMinSize and newSize.height(
) >= UpdateMinSize:
if newRoot:
self._rootTile = TreemapTile(
self, # parentView
None, # parentTile
newRoot, # fileinfo
Rect(point=Point(0, 0), size=newSize),
'Auto')