range_legend_dialog.py 文件源码

def updateList(self):
        """Update sample values list"""
        # get number of samples
        try:
            N=int(self.leNumberOfSamples.text())
        except ValueError:
            N=0
            return
        # re-generate sample list
        self.lwSampleValues.clear()
        for i in range(N):
            value=self.settings['minV']+(self.settings['maxV']-self.settings['minV'])*i/(N-1)
            self.lwSampleValues.addItem(str(value))
            self.lwSampleValues.item(i).setFlags(Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable)
        # store number of samples
        self.N=N
        # update preview
        self.updatePreview()