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add prefix handling for basic items

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This commit is contained in:
Martin Baeuml
2011-09-14 16:07:02 +02:00
parent f611940fb0
commit 733bf7a635
1 changed files with 24 additions and 15 deletions
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sloth/items/items.py
+24 -15
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@@ -9,7 +9,7 @@ class BaseItem(QAbstractGraphicsShapeItem):
Base class for visualization items.
"""
def __init__(self, model_item=None, parent=None):
def __init__(self, model_item=None, prefix="", parent=None):
"""
Creates a visualization item.
@@ -32,6 +32,7 @@ class BaseItem(QAbstractGraphicsShapeItem):
self.changeColor()
# initialize members
self._prefix = prefix
self._text = ""
self._text_bg_brush = None
self._auto_text_keys = []
@@ -60,6 +61,12 @@ class BaseItem(QAbstractGraphicsShapeItem):
"""
return self._model_item.index()
def prefix(self):
"""
Returns the key prefix of the item.
"""
return self._prefix
def setText(self, text=""):
"""
Sets a text to be displayed on this item.
@@ -153,8 +160,8 @@ class PointItem(BaseItem):
Visualization item for points.
"""
def __init__(self, model_item=None, parent=None):
BaseItem.__init__(self, model_item, parent)
def __init__(self, model_item=None, prefix="", parent=None):
BaseItem.__init__(self, model_item, prefix, parent)
self._radius = 2
self._point = None
@@ -179,16 +186,16 @@ class PointItem(BaseItem):
def updateModel(self):
self._model_item.update({
'x': self.scenePos().x(),
'y': self.scenePos().y(),
self.prefix() + 'x': self.scenePos().x(),
self.prefix() + 'y': self.scenePos().y(),
})
def updatePoint(self):
if self._model_item is None:
return
point = QPointF(float(self._model_item['x']),
float(self._model_item['y']))
point = QPointF(float(self._model_item[self.prefix() + 'x']),
float(self._model_item[self.prefix() + 'y']))
if point == self._point:
return
@@ -224,8 +231,8 @@ class PointItem(BaseItem):
class RectItem(BaseItem):
def __init__(self, model_item=None, parent=None):
BaseItem.__init__(self, model_item, parent)
def __init__(self, model_item=None, prefix="", parent=None):
BaseItem.__init__(self, model_item, prefix, parent)
self._rect = None
self._resize = False
@@ -244,8 +251,10 @@ class RectItem(BaseItem):
def _dataToRect(self, model_item):
if model_item is None:
return QRectF()
return QRectF(float(model_item['x']), float(model_item['y']),
float(model_item['width']), float(model_item['height']))
return QRectF(float(model_item[self.prefix() + 'x']),
float(model_item[self.prefix() + 'y']),
float(model_item[self.prefix() + 'width']),
float(model_item[self.prefix() + 'height']))
def _updateRect(self, rect):
if rect == self._rect:
@@ -258,10 +267,10 @@ class RectItem(BaseItem):
def updateModel(self):
self._rect = QRectF(self.scenePos(), self._rect.size())
self._model_item.update({
'x': float(self._rect.topLeft().x()),
'y': float(self._rect.topLeft().y()),
'width': float(self._rect.width()),
'height': float(self._rect.height()),
self.prefix() + 'x': float(self._rect.topLeft().x()),
self.prefix() + 'y': float(self._rect.topLeft().y()),
self.prefix() + 'width': float(self._rect.width()),
self.prefix() + 'height': float(self._rect.height()),
})
def boundingRect(self):