forked from ruben-mv/SOSClient
/
sosplot_dialog.py
305 lines (258 loc) · 15.1 KB
/
sosplot_dialog.py
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# -*- coding: utf-8 -*-
"""
@author: Rubén Mosquera Varela
@contact: ruben.mosquera.varela@gmail.com
@copyright:
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from PyQt4 import QtGui, QtCore
from qgis.core import QgsVectorLayer, QgsFeatureRequest
from utils import WidgetFactory
from ui.utils import ComboBoxDelegate, DoubleSpinBoxDelegate, ColorButtonDelegate, SliderDelegate
from matplotlib.lines import Line2D
from matplotlib.markers import MarkerStyle
from matplotlib.colors import rgb2hex
from matplotlib import dates as mpdates
from matplotlib import rcParams, rcdefaults
import sys
maxFloat = sys.float_info.max
class SOSPlotDialog(QtGui.QDialog, WidgetFactory.getClass('sosplot_dialog')):
"""
SOS Client dialog for plot observation data
"""
def __init__(self, layer, parent=None):
"""Constructor
:param layer: QGIS layer with selected entities
:type layer: QgsVectorLayer
:param parent: Parent object
:type parent: QWidget
"""
super(SOSPlotDialog, self).__init__(parent)
# Set up the user interface from Designer.
self.layer = layer
if type(self.layer) <> type (QgsVectorLayer()) :
raise TypeError(self.tr("Selector layer isn't a vector layer"))
if self.layer.selectedFeatureCount() == 0:
raise ValueError (self.tr("No features selected"))
self.setupUi(self)
map (lambda w: w.setRange(-maxFloat,maxFloat),[self.xMinFloat, self.xMaxFloat, self.yMinFloat, self.yMaxFloat])
def DateTimeEdit2SpinBox (widget):
widget.setValue = lambda value: widget.setDateTime(mpdates.num2date(value))
widget.value = lambda: mpdates.date2num(widget.dateTime().toPyDateTime())
map(DateTimeEdit2SpinBox, [self.xMinTime, self.xMaxTime, self.yMinTime, self.yMaxTime])
request = QgsFeatureRequest()
request.setFlags(QgsFeatureRequest.NoGeometry)
request.setFilterFids(self.layer.selectedFeaturesIds())
self.foiList = set([f.attribute("foi") for f in layer.getFeatures(request)])
self.foiList = list(self.foiList)
self.foiList.sort()
self.plotWidget.genColorMap (len(self.foiList))
self.xProperty.addItems([str(f.name()) for f in list(layer.pendingFields())[2:]])
self.yProperty.addItems([str(f.name()) for f in list(layer.pendingFields())[2:]])
self.xProperty.setCurrentIndex (0)
self.yProperty.setCurrentIndex (1)
self.draw()
self.plotWidget.title = self.layer.name()
self.plotWidget.xLabel = self.xProperty.currentText()
self.plotWidget.yLabel = self.yProperty.currentText()
self.plotWidget.picked.connect (self.dataSeriePicked)
self.plotWidget.axisChanged.connect (self.axisLimChanged)
self.title.editingFinished.connect(lambda: self.optionsToPlot(option='title'))
self.legendChk.stateChanged.connect(lambda v: self.optionsToPlot(option='legend'))
self.legendPos.currentIndexChanged.connect(lambda v: self.optionsToPlot(option='legend'))
self.legendCols.valueChanged.connect(lambda v: self.optionsToPlot(option='legend'))
self.gridChk.stateChanged.connect(lambda v: self.optionsToPlot(option='grid'))
self.xSorted.toggled.connect(self.optionsToPlot)
self.ySorted.toggled.connect(self.optionsToPlot)
self.timeFormat.editingFinished.connect(self.optionsToPlot)
self.xProperty.currentIndexChanged.connect(lambda v: self.optionsToPlot(option='xProperty'))
self.xLabel.editingFinished.connect(lambda: self.optionsToPlot(option='xLabel'))
self.xMinFloat.editingFinished.connect(lambda: self.optionsToPlot(option='xRange'))
self.xMaxFloat.editingFinished.connect(lambda: self.optionsToPlot(option='xRange'))
self.xMinTime.editingFinished.connect(lambda: self.optionsToPlot(option='xRange'))
self.xMaxTime.editingFinished.connect(lambda: self.optionsToPlot(option='xRange'))
self.yProperty.currentIndexChanged.connect(lambda v: self.optionsToPlot(option='yProperty'))
self.yLabel.editingFinished.connect(lambda: self.optionsToPlot(option='yLabel'))
self.yMinFloat.editingFinished.connect(lambda: self.optionsToPlot(option='yRange'))
self.yMaxFloat.editingFinished.connect(lambda: self.optionsToPlot(option='yRange'))
self.yMinTime.editingFinished.connect(lambda: self.optionsToPlot(option='yRange'))
self.yMaxTime.editingFinished.connect(lambda: self.optionsToPlot(option='yRange'))
map (lambda k: self.lineStyle.addItem(k, self.StylesTable.lineStyles[k]), sorted(self.StylesTable.lineStyles))
map (lambda k: self.marker.addItem(k, self.StylesTable.markers[k]), sorted(self.StylesTable.markers))
self.defaultStyle.button(QtGui.QDialogButtonBox.Reset).clicked.connect(self.restoreDefaultStyle)
self.defaultStyle.button(QtGui.QDialogButtonBox.Apply).clicked.connect(lambda: self.optionsToPlot (option='defaultStyle'))
map(lambda b: b.setAutoDefault(False), self.defaultStyle.buttons())
self.optionsFromPlot()
self.stylesTable.setItemDelegateForColumn (1, ColorButtonDelegate(self))
self.stylesTable.setItemDelegateForColumn (2, ComboBoxDelegate(self,self.StylesTable.lineStyles))
self.stylesTable.setItemDelegateForColumn (3, DoubleSpinBoxDelegate(self, (0,100)))
self.stylesTable.setItemDelegateForColumn (4, ComboBoxDelegate(self,self.StylesTable.markers))
self.stylesTable.setItemDelegateForColumn (5, DoubleSpinBoxDelegate(self, (0,100)))
self.stylesTable.setItemDelegateForColumn (6, SliderDelegate(self, (0.0,1.0)))
def optionsFromPlot (self):
self.title.setText (self.plotWidget.title)
self.setWindowTitle(self.plotWidget.title)
self.legendChk.setChecked (self.plotWidget.legendVisible)
self.legendPos.setCurrentIndex (self.plotWidget.legendPos)
self.legendCols.setValue (self.plotWidget.legendCols)
self.gridChk.setChecked(self.plotWidget.gridVisible)
self.xLabel.setText (self.plotWidget.xLabel)
minValue, maxValue = self.plotWidget.xLim
self.xMin.setValue (minValue)
self.xMax.setValue (maxValue)
self.yLabel.setText (self.plotWidget.yLabel)
minValue, maxValue = self.plotWidget.yLim
self.yMin.setValue (minValue)
self.yMax.setValue (maxValue)
self.styleFromPlot()
def optionsToPlot (self, option=None):
resetStyle = (option == 'defaultStyle')
if option == None or option == 'defaultStyle':
rcParams['lines.linewidth'] = self.lineWidth.value()
rcParams['lines.linestyle'] = self.lineStyle.itemData(self.lineStyle.currentIndex ())
rcParams['lines.marker'] = self.marker.itemData(self.marker.currentIndex ())
rcParams['lines.markersize'] = self.markerSize.value()
option = None
if not option or option == 'xProperty' or option == 'yProperty':
self.draw(resetStyle)
option = None
if not option or option == 'title':
self.plotWidget.title = self.title.text()
self.setWindowTitle(self.title.text())
if not option or option == 'legend':
self.plotWidget.legendPos = self.legendPos.currentIndex()
self.plotWidget.legendCols = self.legendCols.value()
self.plotWidget.legendVisible = self.legendChk.isChecked()
if not option or option == 'grid':
self.plotWidget.gridVisible = self.gridChk.isChecked()
if not option or option == 'xProperty':
self.xLabel.setText (self.xProperty.currentText())
if not option or option == 'xLabel':
self.plotWidget.xLabel = self.xLabel.text()
if not option or option == 'xRange':
self.plotWidget.xLim = (self.xMin.value(),self.xMax.value())
if not option or option == 'yProperty':
self.yLabel.setText (self.yProperty.currentText())
if not option or option == 'yLabel':
self.plotWidget.yLabel = self.yLabel.text()
if not option or option == 'yRange':
self.plotWidget.yLim = (self.yMin.value(),self.yMax.value())
self.plotWidget.draw()
def draw (self, resetStyle = False):
xField = self.xProperty.currentText()
yField = self.yProperty.currentText()
#X-Axis limits
self.xMinTime.setVisible (xField == 'Time')
self.xMaxTime.setVisible (xField == 'Time')
self.xMinFloat.setVisible(xField != 'Time')
self.xMaxFloat.setVisible(xField != 'Time')
self.xMin = self.xMinFloat if xField != 'Time' else self.xMinTime
self.xMax = self.xMaxFloat if xField != 'Time' else self.xMaxTime
#Y-Axis limits
self.yMinTime.setVisible (yField == 'Time')
self.yMaxTime.setVisible (yField == 'Time')
self.yMinFloat.setVisible(yField != 'Time')
self.yMaxFloat.setVisible(yField != 'Time')
self.yMin = self.yMinFloat if yField != 'Time' else self.yMinTime
self.yMax = self.yMaxFloat if yField != 'Time' else self.yMaxTime
ySorted = self.ySorted.isChecked()
self.plotWidget.clean (xField = xField,
yField = yField,
resetStyle = resetStyle)
request = QgsFeatureRequest ()
request.setFlags(QgsFeatureRequest.NoGeometry)
for foi in self.foiList:
request.setFilterExpression("foi = '%s'" % foi)
if ySorted:
dataSerie = [(f.attribute(yField),f.attribute(xField)) for f in self.layer.getFeatures(request)]
else:
dataSerie = [(f.attribute(xField),f.attribute(yField)) for f in self.layer.getFeatures(request)]
dataSerie.sort()
if len (dataSerie):
if ySorted:
y,x = map(list, zip(*dataSerie))
else:
x,y = map(list, zip(*dataSerie))
self.plotWidget.plot(x,y, f.attribute('name'))
self.plotWidget.applyTimeFormat (self.timeFormat.text())
self.plotWidget.draw ()
styles = self.StylesTable (self.plotWidget.ax.get_lines())
self.stylesTable.setModel (styles)
styles.dataChanged.connect(self.plotWidget.draw)
def styleFromPlot (self):
self.lineWidth.setValue (rcParams['lines.linewidth'])
lineStyle = '' if rcParams['lines.linestyle'] in ['None', None, ' '] else rcParams['lines.linestyle']
self.lineStyle.setCurrentIndex (self.lineStyle.findData (lineStyle))
marker = '' if rcParams['lines.marker'] in ['None', None, ' '] else rcParams['lines.marker']
self.marker.setCurrentIndex (self.marker.findData (marker))
self.markerSize.setValue (rcParams['lines.markersize'])
def restoreDefaultStyle (self):
rcdefaults()
self.styleFromPlot ()
self.optionsToPlot ('defaultStyle')
@QtCore.pyqtSlot(str)
def dataSeriePicked (self, line):
self.stylesTable.selectRow (self.stylesTable.model().getRowNumber(line))
@QtCore.pyqtSlot(tuple, tuple)
def axisLimChanged (self, x, y):
map (lambda w: w.blockSignals(True), [self.xMin, self.xMax, self.yMin, self.yMax])
self.xMin.setValue(x[0])
self.xMax.setValue(x[1])
self.yMin.setValue(y[0])
self.yMax.setValue(y[1])
map (lambda w: w.blockSignals(False), [self.xMin, self.xMax, self.yMin, self.yMax])
class StylesTable (QtCore.QAbstractTableModel):
markers = {str(v) : k for k,v in filter(lambda m: not m[0] in ['None', None, ' '],MarkerStyle.markers.items())}
lineStyles = {str(v) : v for v in filter(lambda s: not s in ['None', None, ' '],Line2D.lineStyles.keys())}
def __init__(self, styleData, parent = None, *args):
QtCore.QAbstractTableModel.__init__(self, parent, *args)
self.styleData = styleData
self.labels = map(lambda l: l.get_label(), self.styleData)
def color2hex (color):
if isinstance(color,tuple):
return rgb2hex(color)
else:
return {'b': '#0000ff', 'g': '#00ff00','r': '#ff0000','c': '#ff00ff','m': '#ff00ff','y': '#ffff00','k': '#000000','w': '#ffffff'
}.get(color,str(color))
self.dataModel = [ (self.tr('Name'), Line2D.get_label, None),
(self.tr('Color'), lambda l: color2hex(l.get_color()), Line2D.set_color),
(self.tr('Line style'), lambda l: l.get_linestyle() if l.get_linestyle() != 'None' else '', Line2D.set_linestyle),
(self.tr('Line width'), Line2D.get_linewidth, Line2D.set_linewidth),
(self.tr('Marker'), lambda l: MarkerStyle.markers[l.get_marker()], Line2D.set_marker),
(self.tr('Marker size'),Line2D.get_markersize, Line2D.set_markersize),
(self.tr('Opacity'), lambda l: l.get_alpha() if l.get_alpha() != None else 1, lambda line, value: line.set_alpha(float(value)))
]
def headerData(self, col, orientation, role):
if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
return self.dataModel[col][0]
return None
def rowCount(self, parent):
return len(self.styleData)
def columnCount(self, parent):
return len(self.dataModel)
def data(self, index, role):
if not index.isValid():
return None
if role == QtCore.Qt.DisplayRole or role == QtCore.Qt.EditRole:
return self.dataModel[index.column()][1](self.styleData[index.row()])
return None
def setData(self, index, value, role):
if role != QtCore.Qt.EditRole:
return False
self.dataModel[index.column()][2](self.styleData[index.row()], value)
self.dataChanged.emit (index, index)
return True
def flags(self, index):
flags = QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
if self.dataModel[index.column()][2] != None:
flags |= QtCore.Qt.ItemIsEditable
return flags
def getRowNumber (self, name):
return self.labels.index (name)