from PyQt4.QtCore import *
from PyQt4.QtGui import *
import PeakGroupBox


class PeakWidget(QGroupBox):
    changedTable = pyqtSignal()
    def __init__(self, parent=None):
        QGroupBox.__init__(self)
        super(PeakWidget, self).__init__(parent)
        self.ui = PeakGroupBox.Ui_PeakGroupBox()
        self.ui.setupUi(self)
        self.lineEdits = [self.ui.lineEdit_1, 
                    self.ui.lineEdit_2, 
                    self.ui.lineEdit_3, 
                    self.ui.lineEdit_4]
        self.fixedCheckBoxes = [self.ui.checkBox_1,
                                self.ui.checkBox_2,
                                self.ui.checkBox_3,
                                self.ui.checkBox_4]
        for le in self.lineEdits:
            le.editingFinished.connect(self.changedTable.emit)
        self.signalMapper = QSignalMapper(self)
        for i, button in enumerate([self.ui.pushButton_1,
                          self.ui.pushButton_2,
                          self.ui.pushButton_3,
                          self.ui.pushButton_4,
                          self.ui.pushButton_5,
                          self.ui.pushButton_6,
                          self.ui.pushButton_7,
                          self.ui.pushButton_8,
                          ]):
            self.signalMapper.setMapping(button,i)
            button.clicked.connect(self.signalMapper.map)
        self.signalMapper.mapped.connect(self.changeValues)

    def changeValues(self, num):
        logstep = 1.29154967 # 10 log even steps per decade
        linstep = 0.05
        # 0-3 down/up for d_eps and tau, respectively
        # 4-7 down, up for a, b
        if num == 0:
            self.ui.lineEdit_1.setText("%.2e"%(self.ui.lineEdit_1.text().toDouble()[0]/logstep))
        if num == 1:
            self.ui.lineEdit_1.setText("%.2e"%(self.ui.lineEdit_1.text().toDouble()[0]*logstep))
        if num == 2:
            self.ui.lineEdit_2.setText("%.2e"%(self.ui.lineEdit_2.text().toDouble()[0]/logstep))
        if num == 3:
            self.ui.lineEdit_2.setText("%.2e"%(self.ui.lineEdit_2.text().toDouble()[0]*logstep))
        if num == 4:
            self.ui.lineEdit_3.setText("%.2e"%(self.ui.lineEdit_3.text().toDouble()[0]-linstep))
        if num == 5:
            self.ui.lineEdit_3.setText("%.2e"%(self.ui.lineEdit_3.text().toDouble()[0]+linstep))
        if num == 6:
            self.ui.lineEdit_4.setText("%.2e"%(self.ui.lineEdit_4.text().toDouble()[0]-linstep))
        if num == 7:
            self.ui.lineEdit_4.setText("%.2e"%(self.ui.lineEdit_4.text().toDouble()[0]+linstep))
        self.changedTable.emit()

    def fixedParameter(self):
        return [0 if cb.isChecked() else 1 for cb in self.fixedCheckBoxes]


    def setId(self,id):
        self.id=id
        self.setTitle("Peak %i"%id)

    def setColor(self, color):
        r,g,b = color
        palette = self.palette()
        palette.setColor(QPalette.Foreground, QColor(r,g,b))
        self.setPalette(palette)

    def peakParameter(self):
        tmp = [i.text().toDouble()[0] # selects the number, ignores the status
                for i in self.lineEdits ]
        print "peakParams:",tmp
        return tmp
    
    def update(self):
        self.changedTable.emit()

    def updateTable(self, *args):
        print "updateTable", args
        for i,arg in enumerate(args):
            self.lineEdits[i].setText("%g"%(args[i]))