def valueChange(self, event):
if self._grid is None:
return
if event.getProperty().getValue() == ColorRangePropertyId.ALL:
self._grid.setColorGrid(self.createAllColors(14, 10))
elif event.getProperty().getValue() == ColorRangePropertyId.RED:
self._grid.setColorGrid(self.createColor(Color(255, 0, 0), 14, 10))
elif event.getProperty().getValue() == ColorRangePropertyId.GREEN:
self._grid.setColorGrid(self.createColor(Color(0, 255, 0), 14, 10))
elif event.getProperty().getValue() == ColorRangePropertyId.BLUE:
self._grid.setColorGrid(self.createColor(Color(0, 0, 255), 14, 10))
def createColor(self, color, rows, columns):
"""Creates the color.
@param color:
the color
@param rows:
the rows
@param columns:
the columns
@return: the color[][]
"""
colors = [([None] * columns) for _ in range(rows)]
hsv = color.getHSV()
hue = hsv[0]
saturation = 1.0
value = 1.0
for row in range(rows):
for col in range(columns):
index = (row * columns) + col
saturation = 1.0
value = 1.0
if index <= (rows * columns) / 2:
saturation = index / (rows * columns) / 2.0
else:
index -= (rows * columns) / 2
value = 1.0 - (index / (rows * columns) / 2.0)
colors[row][col] = Color(*hsv_to_rgb(hue, saturation, value))
return colors
def valueChange(self, event):
value = event.getProperty().getValue()
if not self._field.isValid():
self._field.setValue(self._oldValue)
return
else:
self._oldValue = value
if value is not None and len(value) == 7:
red = int(value[1:3], 16)
green = int(value[3:5], 16)
blue = int(value[5:7], 16)
self._color = Color(red, green, blue)
evt = ColorChangeEvent(self._field.getData(), self._color)
self.fireEvent(evt)
def createAllColors(self, rows, columns):
"""Creates the all colors.
@param rows:
the rows
@param columns:
the columns
@return: the color[][]
"""
colors = [([None] * columns) for _ in range(rows)]
for row in range(rows):
for col in range(columns):
# Create the color grid by varying the saturation and value
if row < rows - 1:
# Calculate new hue value
# The last row should have the black&white gradient
hue = col / columns
saturation = 1.0
value = 1.0
# For the upper half use value=1 and variable saturation
if row < rows / 2:
saturation = (row + 1.0) / rows / 2.0
else:
value = 1.0 - ((row - (rows / 2.0)) / rows / 2.0)
colors[row][col] = \
Color(*hsv_to_rgb(hue, saturation, value))
else:
hue = 0.0
saturation = 0.0
value = 1.0 - (col / columns)
colors[row][col] = \
Color(*hsv_to_rgb(hue, saturation, value))
return colors
def valueChange(self, event):
value = event.getProperty().getValue()
if not self._field.isValid():
self._field.setValue(self._oldValue)
return
else:
self._oldValue = value
if value is not None and len(value) == 7:
red = int(value[1:3], 16)
green = int(value[3:5], 16)
blue = int(value[5:7], 16)
self._color = Color(red, green, blue)
evt = ColorChangeEvent(self._field.getData(), self._color)
self.fireEvent(evt)
def __init__(self, caption='Colors', initialColor=None):
"""Instantiates a new color picker.
@param caption:
the caption
@param initialColor:
the initial color
"""
self.buttonStyle = str(ButtonStyle.BUTTON_NORMAL)
self.popupStyle = PopupStyle.POPUP_NORMAL
self.buttonCaption = ''
# The window.
self._window = None
# The window.
self._parent_window = None
# The popup status.
self._popupStatus = False
self._positionX = 0
self._positionY = 0
self.rgbVisible = True
self.hsvVisible = True
self.swatchesVisible = True
self.historyVisible = True
self.textfieldVisible = True
if initialColor is None:
initialColor = Color(0, 0, 0)
# The color.
self.color = initialColor
self.caption = caption
super(ColorPicker, self).__init__()
class ColorPickerPreview(CssLayout, IColorSelector, IValueChangeListener):
"""The Class ColorPickerPreview.
@author: John Ahlroos / ITMill Oy 2010
@author: Richard Lincoln
"""
_STYLE_DARK_COLOR = 'v-textfield-dark'
_STYLE_LIGHT_COLOR = 'v-textfield-light'
def __init__(self, color):
"""Instantiates a new color picker preview."""
super(ColorPickerPreview, self).__init__()
self.setStyleName('v-colorpicker-preview')
self.setImmediate(True)
self._color = color
self._field = TextField()
self._field.setReadOnly(True)
self._field.setImmediate(True)
self._field.setSizeFull()
self._field.setStyleName('v-colorpicker-preview-textfield')
self._field.setData(self)
self._field.addListener(self, IValueChangeListener)
self._field.addValidator(RegexpValidator('#[0-9a-fA-F]{6}', True, ''))
self._oldValue = None
self.addComponent(self._field)
self.setColor(color)
def setColor(self, color):
self._color = color
red = '%.2x' % color.getRed()
# red = '0' + red if len(red) < 2 else red
green = '%.2x' % color.getGreen()
# green = '0' + green if len(green) < 2 else green
blue = '%.2x' % color.getBlue()
# blue = '0' + blue if len(blue) < 2 else blue
# Unregister listener
self._field.removeListener(self, IValueChangeListener)
self._field.setReadOnly(False)
self._field.setValue('#' + red + green + blue)
if self._field.isValid():
self._oldValue = '#' + red + green + blue
else:
self._field.setValue(self._oldValue)
# Re-register listener
self._field.setReadOnly(True)
self._field.addListener(self, IValueChangeListener)
# Set the text color
self._field.removeStyleName(self._STYLE_DARK_COLOR)
self._field.removeStyleName(self._STYLE_LIGHT_COLOR)
if (self._color.getRed() + self._color.getGreen()
+ self._color.getBlue() < 3 * 128):
self._field.addStyleName(self._STYLE_DARK_COLOR)
else:
self._field.addStyleName(self._STYLE_LIGHT_COLOR)
self.requestRepaint()
def getColor(self):
return self._color
def addListener(self, listener, iface=None):
"""Adds a color change listener
@param listener:
The color change listener
"""
if (isinstance(listener, IColorChangeListener) and
(iface is None or issubclass(iface, IColorChangeListener))):
self.registerListener(ColorChangeEvent, listener,
_COLOR_CHANGE_METHOD)
super(ColorPickerPreview, self).addListener(listener, iface)
def addCallback(self, callback, eventType=None, *args):
if eventType is None:
eventType = callback._eventType # set by decorator
if issubclass(eventType, ColorChangeEvent):
self.registerCallback(ColorChangeEvent, callback, None, *args)
else:
super(ColorPickerPreview, self).addCallback(callback, eventType,
*args)
def removeListener(self, listener, iface=None):
"""Removes a color change listener
@param listener:
The listener
"""
if (isinstance(listener, IColorChangeListener) and
(iface is None or issubclass(iface, IColorChangeListener))):
self.withdrawListener(ColorChangeEvent, listener)
super(ColorPickerPreview, self).removeListener(listener, iface)
def removeCallback(self, callback, eventType=None):
if eventType is None:
eventType = callback._eventType
if issubclass(eventType, ColorChangeEvent):
self.withdrawCallback(ColorChangeEvent, callback)
else:
super(ColorPickerPreview, self).removeCallback(callback, eventType)
def valueChange(self, event):
value = event.getProperty().getValue()
if not self._field.isValid():
self._field.setValue(self._oldValue)
return
else:
self._oldValue = value
if value is not None and len(value) == 7:
red = int(value[1:3], 16)
green = int(value[3:5], 16)
blue = int(value[5:7], 16)
self._color = Color(red, green, blue)
evt = ColorChangeEvent(self._field.getData(), self._color)
self.fireEvent(evt)
def getCss(self, c):
"""Called when the component is refreshing"""
red = '%.2x' % self._color.getRed()
# red = '0' + red if len(red) < 2 else red
green = '%.2x' % self._color.getGreen()
# green = '0' + green if len(green) < 2 else green
blue = '%.2x' % self._color.getBlue()
# blue = '0' + blue if len(blue) < 2 else blue
css = 'background: #' + red + green + blue
return css
class ColorPickerPreview(CssLayout, IColorSelector, IValueChangeListener):
"""The Class ColorPickerPreview.
@author: John Ahlroos / ITMill Oy 2010
@author: Richard Lincoln
"""
_STYLE_DARK_COLOR = 'v-textfield-dark'
_STYLE_LIGHT_COLOR = 'v-textfield-light'
def __init__(self, color):
"""Instantiates a new color picker preview."""
super(ColorPickerPreview, self).__init__()
self.setStyleName('v-colorpicker-preview')
self.setImmediate(True)
self._color = color
self._field = TextField()
self._field.setReadOnly(True)
self._field.setImmediate(True)
self._field.setSizeFull()
self._field.setStyleName('v-colorpicker-preview-textfield')
self._field.setData(self)
self._field.addListener(self, IValueChangeListener)
self._field.addValidator(RegexpValidator('#[0-9a-fA-F]{6}', True, ''))
self._oldValue = None
self.addComponent(self._field)
self.setColor(color)
def setColor(self, color):
self._color = color
red = '%.2x' % color.getRed()
# red = '0' + red if len(red) < 2 else red
green = '%.2x' % color.getGreen()
# green = '0' + green if len(green) < 2 else green
blue = '%.2x' % color.getBlue()
# blue = '0' + blue if len(blue) < 2 else blue
# Unregister listener
self._field.removeListener(self, IValueChangeListener)
self._field.setReadOnly(False)
self._field.setValue('#' + red + green + blue)
if self._field.isValid():
self._oldValue = '#' + red + green + blue
else:
self._field.setValue(self._oldValue)
# Re-register listener
self._field.setReadOnly(True)
self._field.addListener(self, IValueChangeListener)
# Set the text color
self._field.removeStyleName(self._STYLE_DARK_COLOR)
self._field.removeStyleName(self._STYLE_LIGHT_COLOR)
if (self._color.getRed() + self._color.getGreen() +
self._color.getBlue() < 3 * 128):
self._field.addStyleName(self._STYLE_DARK_COLOR)
else:
self._field.addStyleName(self._STYLE_LIGHT_COLOR)
self.requestRepaint()
def getColor(self):
return self._color
def addListener(self, listener, iface=None):
"""Adds a color change listener
@param listener:
The color change listener
"""
if (isinstance(listener, IColorChangeListener) and
(iface is None or issubclass(iface, IColorChangeListener))):
self.registerListener(ColorChangeEvent, listener,
_COLOR_CHANGE_METHOD)
super(ColorPickerPreview, self).addListener(listener, iface)
def addCallback(self, callback, eventType=None, *args):
if eventType is None:
eventType = callback._eventType # set by decorator
if issubclass(eventType, ColorChangeEvent):
self.registerCallback(ColorChangeEvent, callback, None, *args)
else:
super(ColorPickerPreview,
self).addCallback(callback, eventType, *args)
def removeListener(self, listener, iface=None):
"""Removes a color change listener
@param listener:
The listener
"""
if (isinstance(listener, IColorChangeListener) and
(iface is None or issubclass(iface, IColorChangeListener))):
self.withdrawListener(ColorChangeEvent, listener)
super(ColorPickerPreview, self).removeListener(listener, iface)
def removeCallback(self, callback, eventType=None):
if eventType is None:
eventType = callback._eventType
if issubclass(eventType, ColorChangeEvent):
self.withdrawCallback(ColorChangeEvent, callback)
else:
super(ColorPickerPreview, self).removeCallback(callback, eventType)
def valueChange(self, event):
value = event.getProperty().getValue()
if not self._field.isValid():
self._field.setValue(self._oldValue)
return
else:
self._oldValue = value
if value is not None and len(value) == 7:
red = int(value[1:3], 16)
green = int(value[3:5], 16)
blue = int(value[5:7], 16)
self._color = Color(red, green, blue)
evt = ColorChangeEvent(self._field.getData(), self._color)
self.fireEvent(evt)
def getCss(self, c):
"""Called when the component is refreshing"""
red = '%.2x' % self._color.getRed()
# red = '0' + red if len(red) < 2 else red
green = '%.2x' % self._color.getGreen()
# green = '0' + green if len(green) < 2 else green
blue = '%.2x' % self._color.getBlue()
# blue = '0' + blue if len(blue) < 2 else blue
css = 'background: #' + red + green + blue
return css
