Le portail francophone de la géomatique

# --------INITIALISATION DE LA LINE EDIT --------------------------------------------------------------------------------------------------        
    
    def initialiseLineEdit(self):
        global selected, deselected
        completer = QCompleter()
        completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
        self.lineEdit.setCompleter(completer)
        model = QStringListModel()
        completer.setModel(model)
        
        mListeOleron = []
        layer = self.canvas.currentLayer()
        iters = layer.getFeatures()
        
        for feature in iters:
            x = self.trUtf8(feature.attribute("ident").toString().toUtf8())
            
            mListeOleron.append(x)
            
        model.setStringList(mListeOleron)
        selection = self.lineEdit.selectedText()
        self.lineEdit.selectionChanged.connect(self.lineEditSelectionChanged)

#-------SELECTION D'UNE COUCHE A PARTIR DE LA LINE EDIT -----------------------------------------------------------------------------------        
#balayer la table attributaire et tester si le nom est egal à celui de la lineEdit    

    def lineEditSelectionChanged(self):
        global selected, deselected
        #self.lineEdit.selectionChanged.connect(self.lineEditSelectionChanged)

        # si la longueur du texte de la lineEdit est sup à 0, on rend cliquable les boutons, et on recherche l'égalité entre le texte et la table attributaire 
        i = len(self.lineEdit.selectedText())
        if i > 0:

            self.btnTabSelection.setEnabled(True)
            #self.btnTabZoom.setEnabled(True)
            #self.btnTabCenter.setEnabled(True)
            
            layer = self.canvas.currentLayer()
            iters = layer.getFeatures()
            selection = self.lineEdit.selectedText()

            for feature in iters:
                x = self.trUtf8(feature.attribute("ident").toString().toUtf8())
                if selection == x:
                    wid = QgsExpression("$id").evaluate(feature)
                    layer.removeSelection()
                    layer.select(wid.toInt()[0])    
        else:

            self.btnTabSelection.setEnabled(False)
            #self.btnTabZoom.setEnabled(False)
            #self.btnTabCenter.setEnabled(False)
            wid = ""