コード例 #1
0
    def populateList(self):
        model = QStandardItemModel()
        for option in self.selectedoptions:
            item = QStandardItem(option)
            model.appendRow(item)

        self.lstLayers.setModel(model)
コード例 #2
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    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirClosedIcon), QIcon.Normal,
            QIcon.Off)
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirOpenIcon), QIcon.Normal,
            QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.textChanged)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)
コード例 #3
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    def populateList(self):
        model = QStandardItemModel()
        for option in self.selectedoptions:
            item = QStandardItem(option)
            model.appendRow(item)

        self.lstLayers.setModel(model)
コード例 #4
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    def populateList(self):
        model = QStandardItemModel()
        for i, option in enumerate(self.options):
            item = QStandardItem(option)
            item.setCheckState(Qt.Checked if i in self.selectedoptions else Qt.Unchecked)
            item.setCheckable(True)
            model.appendRow(item)

        self.lstLayers.setModel(model)
コード例 #5
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ファイル: FixedTableDialog.py プロジェクト: Antoviscomi/QGIS
    def populateTable(self, table):
        cols = len(self.param.cols)
        rows = len(table)
        model = QStandardItemModel(rows, cols)

        # Set headers
        model.setHorizontalHeaderLabels(self.param.cols)

        # Populate table
        for i in xrange(rows):
            for j in xrange(cols):
                item = QStandardItem(table[i][j])
                model.setItem(i, j, item)
        self.tblView.setModel(model)
コード例 #6
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ファイル: ConfigDialog.py プロジェクト: lidi100/QGIS
    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.fillTree)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)
コード例 #7
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    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setupUi(self)
        self.parent = parent
        self.setWindowTitle(QCoreApplication.translate("PythonConsole",
                                                       "Python Console - Command History"))
        self.listView.setToolTip(QCoreApplication.translate("PythonConsole",
                                                            "Double click on item to execute"))
        self.model = QStandardItemModel(self.listView)

        self._reloadHistory()

        self.deleteScut = QShortcut(QKeySequence(Qt.Key_Delete), self)
        self.deleteScut.activated.connect(self._deleteItem)
        self.listView.doubleClicked.connect(self._runHistory)
        self.reloadHistory.clicked.connect(self._reloadHistory)
        self.saveHistory.clicked.connect(self._saveHistory)
コード例 #8
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    def populateTable(self, table):
        cols = len(self.param.cols)
        rows = len(table)
        model = QStandardItemModel(rows, cols)

        # Set headers
        model.setHorizontalHeaderLabels(self.param.cols)

        # Populate table
        for i in xrange(rows):
            for j in xrange(cols):
                item = QStandardItem(table[i][j])
                model.setItem(i, j, item)
        self.tblView.setModel(model)
コード例 #9
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class HistoryDialog(QDialog, Ui_HistoryDialogPythonConsole):
    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setupUi(self)
        self.parent = parent
        self.setWindowTitle(
            QCoreApplication.translate("PythonConsole",
                                       "Python Console - Command History"))
        self.listView.setToolTip(
            QCoreApplication.translate("PythonConsole",
                                       "Double click on item to execute"))
        self.model = QStandardItemModel(self.listView)

        self._reloadHistory()

        self.deleteScut = QShortcut(QKeySequence(Qt.Key_Delete), self)
        self.deleteScut.activated.connect(self._deleteItem)
        self.listView.doubleClicked.connect(self._runHistory)
        self.reloadHistory.clicked.connect(self._reloadHistory)
        self.saveHistory.clicked.connect(self._saveHistory)

    def _runHistory(self, item):
        cmd = item.data(Qt.DisplayRole)
        self.parent.runCommand(cmd)

    def _saveHistory(self):
        self.parent.writeHistoryFile(True)

    def _reloadHistory(self):
        self.model.clear()
        for i in self.parent.history:
            item = QStandardItem(i)
            if sys.platform.startswith('win'):
                item.setSizeHint(QSize(18, 18))
            self.model.appendRow(item)

        self.listView.setModel(self.model)
        self.listView.scrollToBottom()

    def _deleteItem(self):
        itemsSelected = self.listView.selectionModel().selectedIndexes()
        if itemsSelected:
            item = itemsSelected[0].row()
            ## Remove item from the command history (just for the current session)
            self.parent.history.pop(item)
            self.parent.historyIndex -= 1
            ## Remove row from the command history dialog
            self.model.removeRow(item)
コード例 #10
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ファイル: console_sci.py プロジェクト: chaosui/QGIS
class HistoryDialog(QDialog, Ui_HistoryDialogPythonConsole):

    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setupUi(self)
        self.parent = parent
        self.setWindowTitle(QCoreApplication.translate("PythonConsole",
                                                       "Python Console - Command History"))
        self.listView.setToolTip(QCoreApplication.translate("PythonConsole",
                                                            "Double click on item to execute"))
        self.model = QStandardItemModel(self.listView)

        self._reloadHistory()

        self.deleteScut = QShortcut(QKeySequence(Qt.Key_Delete), self)
        self.deleteScut.activated.connect(self._deleteItem)
        self.listView.doubleClicked.connect(self._runHistory)
        self.reloadHistory.clicked.connect(self._reloadHistory)
        self.saveHistory.clicked.connect(self._saveHistory)

    def _runHistory(self, item):
        cmd = item.data(Qt.DisplayRole)
        self.parent.runCommand(unicode(cmd))

    def _saveHistory(self):
        self.parent.writeHistoryFile(True)

    def _reloadHistory(self):
        self.model.clear()
        for i in self.parent.history:
            item = QStandardItem(i)
            if sys.platform.startswith('win'):
                item.setSizeHint(QSize(18, 18))
            self.model.appendRow(item)

        self.listView.setModel(self.model)
        self.listView.scrollToBottom()

    def _deleteItem(self):
        itemsSelected = self.listView.selectionModel().selectedIndexes()
        if itemsSelected:
            item = itemsSelected[0].row()
            ## Remove item from the command history (just for the current session)
            self.parent.history.pop(item)
            self.parent.historyIndex -= 1
            ## Remove row from the command history dialog
            self.model.removeRow(item)
コード例 #11
0
ファイル: ConfigDialog.py プロジェクト: lidi100/QGIS
class ConfigDialog(BASE, WIDGET):

    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.fillTree)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def fillTree(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels([self.tr('Setting'),
                                              self.tr('Value')])

        text = unicode(self.searchBox.text())
        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()
        priorityKeys = [self.tr('General'), self.tr('Models'), self.tr('Scripts')]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            rootItem.insertRow(0, [groupItem, emptyItem])
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                if text == '' or text.lower() in setting.description.lower():
                    labelItem = QStandardItem(setting.description)
                    labelItem.setIcon(icon)
                    labelItem.setEditable(False)
                    self.items[setting] = SettingItem(setting)
                    groupItem.insertRow(0, [labelItem, self.items[setting]])

            if text != '':
                self.tree.expand(groupItem.index())

        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)
        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            for setting in settings[group]:
                if setting.hidden:
                    continue

                if text == '' or text.lower() in setting.description.lower():
                    labelItem = QStandardItem(setting.description)
                    labelItem.setIcon(icon)
                    labelItem.setEditable(False)
                    self.items[setting] = SettingItem(setting)
                    groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])

        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)
        rootItem.insertRow(0, [menusItem, emptyItem])
        providers = Processing.providers
        for provider in providers:
            groupItem = QStandardItem(provider.getDescription())
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            for alg in provider.algs:
                labelItem = QStandardItem(alg.name)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                try:
                    setting = ProcessingConfig.settings["MENU_" + alg.commandLineName()]
                except:
                    continue
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(self, self.tr('Wrong value'),
                                        self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
コード例 #12
0
ファイル: dlg_sql_window.py プロジェクト: Antoviscomi/QGIS
    def __init__(self, iface, db, parent=None):
        QWidget.__init__(self, parent)
        self.iface = iface
        self.db = db
        self.filter = ""
        self.allowMultiColumnPk = isinstance(db, PGDatabase)  # at the moment only PostgreSQL allows a primary key to span multiple columns, spatialite doesn't
        self.aliasSubQuery = isinstance(db, PGDatabase)       # only PostgreSQL requires subqueries to be aliases
        self.setupUi(self)
        self.setWindowTitle(
            u"%s - %s [%s]" % (self.windowTitle(), db.connection().connectionName(), db.connection().typeNameString()))

        self.defaultLayerName = 'QueryLayer'

        if self.allowMultiColumnPk:
            self.uniqueColumnCheck.setText(self.trUtf8("Column(s) with unique values"))
        else:
            self.uniqueColumnCheck.setText(self.trUtf8("Column with unique values"))

        self.editSql.setFocus()
        self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.initCompleter()

        # allow copying results
        copyAction = QAction("copy", self)
        self.viewResult.addAction(copyAction)
        copyAction.setShortcuts(QKeySequence.Copy)

        copyAction.triggered.connect(self.copySelectedResults)

        self.btnExecute.clicked.connect(self.executeSql)
        self.btnSetFilter.clicked.connect(self.setFilter)
        self.btnClear.clicked.connect(self.clearSql)

        self.presetStore.clicked.connect(self.storePreset)
        self.presetDelete.clicked.connect(self.deletePreset)
        self.presetCombo.activated[str].connect(self.loadPreset)
        self.presetCombo.activated[str].connect(self.presetName.setText)

        self.updatePresetsCombobox()

        self.geomCombo.setEditable(True)
        self.geomCombo.lineEdit().setReadOnly(True)

        self.uniqueCombo.setEditable(True)
        self.uniqueCombo.lineEdit().setReadOnly(True)
        self.uniqueModel = QStandardItemModel(self.uniqueCombo)
        self.uniqueCombo.setModel(self.uniqueModel)
        if self.allowMultiColumnPk:
            self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
            self.uniqueModel.itemChanged.connect(self.uniqueChanged)                 # react to the (un)checking of an item
            self.uniqueCombo.lineEdit().textChanged.connect(self.uniqueTextChanged)  # there are other events that change the displayed text and some of them can not be caught directly

        # hide the load query as layer if feature is not supported
        self._loadAsLayerAvailable = self.db.connector.hasCustomQuerySupport()
        self.loadAsLayerGroup.setVisible(self._loadAsLayerAvailable)
        if self._loadAsLayerAvailable:
            self.layerTypeWidget.hide()  # show if load as raster is supported
            self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
            self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
            self.loadAsLayerGroup.toggled.connect(self.loadAsLayerToggled)
            self.loadAsLayerToggled(False)

        self._createViewAvailable = self.db.connector.hasCreateSpatialViewSupport()
        self.btnCreateView.setVisible(self._createViewAvailable)
        if self._createViewAvailable:
            self.btnCreateView.clicked.connect(self.createView)

        self.queryBuilderFirst = True
        self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
        self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)

        self.presetName.textChanged.connect(self.nameChanged)
コード例 #13
0
ファイル: dlg_sql_window.py プロジェクト: Antoviscomi/QGIS
class DlgSqlWindow(QWidget, Ui_Dialog):
    nameChanged = pyqtSignal(str)

    def __init__(self, iface, db, parent=None):
        QWidget.__init__(self, parent)
        self.iface = iface
        self.db = db
        self.filter = ""
        self.allowMultiColumnPk = isinstance(db, PGDatabase)  # at the moment only PostgreSQL allows a primary key to span multiple columns, spatialite doesn't
        self.aliasSubQuery = isinstance(db, PGDatabase)       # only PostgreSQL requires subqueries to be aliases
        self.setupUi(self)
        self.setWindowTitle(
            u"%s - %s [%s]" % (self.windowTitle(), db.connection().connectionName(), db.connection().typeNameString()))

        self.defaultLayerName = 'QueryLayer'

        if self.allowMultiColumnPk:
            self.uniqueColumnCheck.setText(self.trUtf8("Column(s) with unique values"))
        else:
            self.uniqueColumnCheck.setText(self.trUtf8("Column with unique values"))

        self.editSql.setFocus()
        self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.initCompleter()

        # allow copying results
        copyAction = QAction("copy", self)
        self.viewResult.addAction(copyAction)
        copyAction.setShortcuts(QKeySequence.Copy)

        copyAction.triggered.connect(self.copySelectedResults)

        self.btnExecute.clicked.connect(self.executeSql)
        self.btnSetFilter.clicked.connect(self.setFilter)
        self.btnClear.clicked.connect(self.clearSql)

        self.presetStore.clicked.connect(self.storePreset)
        self.presetDelete.clicked.connect(self.deletePreset)
        self.presetCombo.activated[str].connect(self.loadPreset)
        self.presetCombo.activated[str].connect(self.presetName.setText)

        self.updatePresetsCombobox()

        self.geomCombo.setEditable(True)
        self.geomCombo.lineEdit().setReadOnly(True)

        self.uniqueCombo.setEditable(True)
        self.uniqueCombo.lineEdit().setReadOnly(True)
        self.uniqueModel = QStandardItemModel(self.uniqueCombo)
        self.uniqueCombo.setModel(self.uniqueModel)
        if self.allowMultiColumnPk:
            self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
            self.uniqueModel.itemChanged.connect(self.uniqueChanged)                 # react to the (un)checking of an item
            self.uniqueCombo.lineEdit().textChanged.connect(self.uniqueTextChanged)  # there are other events that change the displayed text and some of them can not be caught directly

        # hide the load query as layer if feature is not supported
        self._loadAsLayerAvailable = self.db.connector.hasCustomQuerySupport()
        self.loadAsLayerGroup.setVisible(self._loadAsLayerAvailable)
        if self._loadAsLayerAvailable:
            self.layerTypeWidget.hide()  # show if load as raster is supported
            self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
            self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
            self.loadAsLayerGroup.toggled.connect(self.loadAsLayerToggled)
            self.loadAsLayerToggled(False)

        self._createViewAvailable = self.db.connector.hasCreateSpatialViewSupport()
        self.btnCreateView.setVisible(self._createViewAvailable)
        if self._createViewAvailable:
            self.btnCreateView.clicked.connect(self.createView)

        self.queryBuilderFirst = True
        self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
        self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)

        self.presetName.textChanged.connect(self.nameChanged)

    def updatePresetsCombobox(self):
        self.presetCombo.clear()

        names = []
        entries = QgsProject.instance().subkeyList('DBManager', 'savedQueries')
        for entry in entries:
            name = QgsProject.instance().readEntry('DBManager', 'savedQueries/' + entry + '/name')[0]
            names.append(name)

        for name in sorted(names):
            self.presetCombo.addItem(name)
        self.presetCombo.setCurrentIndex(-1)

    def storePreset(self):
        query = self._getSqlQuery()
        if query == "":
            return
        name = self.presetName.text()
        QgsProject.instance().writeEntry('DBManager', 'savedQueries/q' + unicode(name.__hash__()) + '/name', name)
        QgsProject.instance().writeEntry('DBManager', 'savedQueries/q' + unicode(name.__hash__()) + '/query', query)
        index = self.presetCombo.findText(name)
        if index == -1:
            self.presetCombo.addItem(name)
            self.presetCombo.setCurrentIndex(self.presetCombo.count() - 1)
        else:
            self.presetCombo.setCurrentIndex(index)

    def deletePreset(self):
        name = self.presetCombo.currentText()
        QgsProject.instance().removeEntry('DBManager', 'savedQueries/q' + unicode(name.__hash__()))
        self.presetCombo.removeItem(self.presetCombo.findText(name))
        self.presetCombo.setCurrentIndex(-1)

    def loadPreset(self, name):
        query = QgsProject.instance().readEntry('DBManager', 'savedQueries/q' + unicode(name.__hash__()) + '/query')[0]
        name = QgsProject.instance().readEntry('DBManager', 'savedQueries/q' + unicode(name.__hash__()) + '/name')[0]
        self.editSql.setText(query)

    def loadAsLayerToggled(self, checked):
        self.loadAsLayerGroup.setChecked(checked)
        self.loadAsLayerWidget.setVisible(checked)
        if checked:
            self.fillColumnCombos()

    def clearSql(self):
        self.editSql.clear()
        self.editSql.setFocus()
        self.filter = ""

    def executeSql(self):

        sql = self._getSqlQuery()
        if sql == "":
            return

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        # delete the old model
        old_model = self.viewResult.model()
        self.viewResult.setModel(None)
        if old_model:
            old_model.deleteLater()

        cols = []
        quotedCols = []

        try:
            # set the new model
            model = self.db.sqlResultModel(sql, self)
            self.viewResult.setModel(model)
            self.lblResult.setText(self.tr("%d rows, %.1f seconds") % (model.affectedRows(), model.secs()))
            cols = self.viewResult.model().columnNames()
            for col in cols:
                quotedCols.append(self.db.connector.quoteId(col))

        except BaseError as e:
            QApplication.restoreOverrideCursor()
            DlgDbError.showError(e, self)
            self.uniqueModel.clear()
            self.geomCombo.clear()
            return

        self.setColumnCombos(cols, quotedCols)

        self.update()
        QApplication.restoreOverrideCursor()

    def _getSqlLayer(self, _filter):
        hasUniqueField = self.uniqueColumnCheck.checkState() == Qt.Checked
        if hasUniqueField:
            if self.allowMultiColumnPk:
                checkedCols = []
                for item in self.uniqueModel.findItems("*", Qt.MatchWildcard):
                    if item.checkState() == Qt.Checked:
                        checkedCols.append(item.data())
                uniqueFieldName = ",".join(checkedCols)
            elif self.uniqueCombo.currentIndex() >= 0:
                uniqueFieldName = self.uniqueModel.item(self.uniqueCombo.currentIndex()).data()
            else:
                uniqueFieldName = None
        else:
            uniqueFieldName = None
        hasGeomCol = self.hasGeometryCol.checkState() == Qt.Checked
        if hasGeomCol:
            geomFieldName = self.geomCombo.currentText()
        else:
            geomFieldName = None

        query = self._getSqlQuery()
        if query == "":
            return None

        # remove a trailing ';' from query if present
        if query.strip().endswith(';'):
            query = query.strip()[:-1]

        from qgis.core import QgsMapLayer, QgsMapLayerRegistry

        layerType = QgsMapLayer.VectorLayer if self.vectorRadio.isChecked() else QgsMapLayer.RasterLayer

        # get a new layer name
        names = []
        for layer in list(QgsMapLayerRegistry.instance().mapLayers().values()):
            names.append(layer.name())

        layerName = self.layerNameEdit.text()
        if layerName == "":
            layerName = self.defaultLayerName
        newLayerName = layerName
        index = 1
        while newLayerName in names:
            index += 1
            newLayerName = u"%s_%d" % (layerName, index)

        # create the layer
        layer = self.db.toSqlLayer(query, geomFieldName, uniqueFieldName, newLayerName, layerType,
                                   self.avoidSelectById.isChecked(), _filter)
        if layer.isValid():
            return layer
        else:
            return None

    def loadSqlLayer(self):
        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        try:
            layer = self._getSqlLayer(self.filter)
            if layer is None:
                return

            from qgis.core import QgsMapLayerRegistry
            QgsMapLayerRegistry.instance().addMapLayers([layer], True)
        finally:
            QApplication.restoreOverrideCursor()

    def fillColumnCombos(self):
        query = self._getSqlQuery()
        if query == "":
            return

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        # remove a trailing ';' from query if present
        if query.strip().endswith(';'):
            query = query.strip()[:-1]

        # get all the columns
        cols = []
        quotedCols = []
        connector = self.db.connector
        if self.aliasSubQuery:
            # get a new alias
            aliasIndex = 0
            while True:
                alias = "_subQuery__%d" % aliasIndex
                escaped = re.compile('\\b("?)' + re.escape(alias) + '\\1\\b')
                if not escaped.search(query):
                    break
                aliasIndex += 1

            sql = u"SELECT * FROM (%s\n) AS %s LIMIT 0" % (unicode(query), connector.quoteId(alias))
        else:
            sql = u"SELECT * FROM (%s\n) WHERE 1=0" % unicode(query)

        c = None
        try:
            c = connector._execute(None, sql)
            cols = connector._get_cursor_columns(c)
            for col in cols:
                quotedCols.append(connector.quoteId(col))

        except BaseError as e:
            QApplication.restoreOverrideCursor()
            DlgDbError.showError(e, self)
            self.uniqueModel.clear()
            self.geomCombo.clear()
            return

        finally:
            if c:
                c.close()
                del c

        self.setColumnCombos(cols, quotedCols)

        QApplication.restoreOverrideCursor()

    def setColumnCombos(self, cols, quotedCols):
        # get sensible default columns. do this before sorting in case there's hints in the column order (eg, id is more likely to be first)
        try:
            defaultGeomCol = next(col for col in cols if col in ['geom', 'geometry', 'the_geom', 'way'])
        except:
            defaultGeomCol = None
        try:
            defaultUniqueCol = [col for col in cols if 'id' in col][0]
        except:
            defaultUniqueCol = None

        colNames = sorted(zip(cols, quotedCols))
        newItems = []
        uniqueIsFilled = False
        for (col, quotedCol) in colNames:
            item = QStandardItem(col)
            item.setData(quotedCol)
            item.setEnabled(True)
            item.setCheckable(self.allowMultiColumnPk)
            item.setSelectable(not self.allowMultiColumnPk)
            if self.allowMultiColumnPk:
                matchingItems = self.uniqueModel.findItems(col)
                if matchingItems:
                    item.setCheckState(matchingItems[0].checkState())
                    uniqueIsFilled = uniqueIsFilled or matchingItems[0].checkState() == Qt.Checked
                else:
                    item.setCheckState(Qt.Unchecked)
            newItems.append(item)
        if self.allowMultiColumnPk:
            self.uniqueModel.clear()
            self.uniqueModel.appendColumn(newItems)
            self.uniqueChanged()
        else:
            previousUniqueColumn = self.uniqueCombo.currentText()
            self.uniqueModel.clear()
            self.uniqueModel.appendColumn(newItems)
            if self.uniqueModel.findItems(previousUniqueColumn):
                self.uniqueCombo.setEditText(previousUniqueColumn)
                uniqueIsFilled = True

        oldGeometryColumn = self.geomCombo.currentText()
        self.geomCombo.clear()
        self.geomCombo.addItems(cols)
        self.geomCombo.setCurrentIndex(self.geomCombo.findText(oldGeometryColumn, Qt.MatchExactly))

        # set sensible default columns if the columns are not already set
        try:
            if self.geomCombo.currentIndex() == -1:
                self.geomCombo.setCurrentIndex(cols.index(defaultGeomCol))
        except:
            pass
        items = self.uniqueModel.findItems(defaultUniqueCol)
        if items and not uniqueIsFilled:
            if self.allowMultiColumnPk:
                items[0].setCheckState(Qt.Checked)
            else:
                self.uniqueCombo.setEditText(defaultUniqueCol)
        try:
            pass
        except:
            pass

    def copySelectedResults(self):
        if len(self.viewResult.selectedIndexes()) <= 0:
            return
        model = self.viewResult.model()

        # convert to string using tab as separator
        text = model.headerToString("\t")
        for idx in self.viewResult.selectionModel().selectedRows():
            text += "\n" + model.rowToString(idx.row(), "\t")

        QApplication.clipboard().setText(text, QClipboard.Selection)
        QApplication.clipboard().setText(text, QClipboard.Clipboard)

    def initCompleter(self):
        dictionary = None
        if self.db:
            dictionary = self.db.connector.getSqlDictionary()
        if not dictionary:
            # use the generic sql dictionary
            from .sql_dictionary import getSqlDictionary

            dictionary = getSqlDictionary()

        wordlist = []
        for name, value in dictionary.items():
            wordlist += value  # concat lists
        wordlist = list(set(wordlist))  # remove duplicates

        api = QsciAPIs(self.editSql.lexer())
        for word in wordlist:
            api.add(word)

        api.prepare()
        self.editSql.lexer().setAPIs(api)

    def displayQueryBuilder(self):
        dlg = QueryBuilderDlg(self.iface, self.db, self, reset=self.queryBuilderFirst)
        self.queryBuilderFirst = False
        r = dlg.exec_()
        if r == QDialog.Accepted:
            self.editSql.setText(dlg.query)

    def createView(self):
        name, ok = QInputDialog.getText(None, "View name", "View name")
        if ok:
            try:
                self.db.connector.createSpatialView(name, self._getSqlQuery())
            except BaseError as e:
                DlgDbError.showError(e, self)

    def _getSqlQuery(self):
        sql = self.editSql.selectedText()
        if len(sql) == 0:
            sql = self.editSql.text()
        return sql

    def uniqueChanged(self):
        # when an item is (un)checked, simply trigger an update of the combobox text
        self.uniqueTextChanged(None)

    def uniqueTextChanged(self, text):
        # Whenever there is new text displayed in the combobox, check if it is the correct one and if not, display the correct one.
        checkedItems = []
        for item in self.uniqueModel.findItems("*", Qt.MatchWildcard):
            if item.checkState() == Qt.Checked:
                checkedItems.append(item.text())
        label = ", ".join(checkedItems)
        if text != label:
            self.uniqueCombo.setEditText(label)

    def setFilter(self):
        from qgis.gui import QgsQueryBuilder
        layer = self._getSqlLayer("")
        if not layer:
            return

        dlg = QgsQueryBuilder(layer)
        dlg.setSql(self.filter)
        if dlg.exec_():
            self.filter = dlg.sql()
        layer.deleteLater()
コード例 #14
0
ファイル: data_model.py プロジェクト: ravirbdgtc/QGIS
 def __init__(self, header, editable=False, parent=None):
     self.header = header
     self.editable = editable
     QStandardItemModel.__init__(self, 0, len(self.header), parent)
コード例 #15
0
ファイル: data_model.py プロジェクト: boggins/QGIS
 def __init__(self, header, editable=False, parent=None):
     self.header = header
     self.editable = editable
     QStandardItemModel.__init__(self, 0, len(self.header), parent)
コード例 #16
0
ファイル: ConfigDialog.py プロジェクト: Clayton-Davis/QGIS
class ConfigDialog(BASE, WIDGET):

    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.textChanged)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def textChanged(self):
        text = unicode(self.searchBox.text().lower())
        self._filterItem(self.model.invisibleRootItem(), text)
        if text:
            self.tree.expandAll()
        else:
            self.tree.collapseAll()

    def _filterItem(self, item, text):
        if item.hasChildren():
            show = False
            for i in xrange(item.rowCount()):
                child = item.child(i)
                showChild = self._filterItem(child, text)
                show = (showChild or show)
            self.tree.setRowHidden(item.row(), item.index().parent(), not show)
            return show

        elif isinstance(item, QStandardItem):
            hide = bool(text) and (text not in item.text().lower())
            self.tree.setRowHidden(item.row(), item.index().parent(), hide)
            return not hide

    def fillTree(self):
        self.fillTreeUsingProviders()

    def fillTreeUsingProviders(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels([self.tr('Setting'),
                                              self.tr('Value')])

        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()

        """
        Filter 'General', 'Models' and 'Scripts' items
        """
        priorityKeys = [self.tr('General'), self.tr('Models'), self.tr('Scripts')]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            rootItem.insertRow(0, [groupItem, emptyItem])
            # add menu item only if it has any search matches
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

        """
        Filter 'Providers' items
        """
        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for setting in settings[group]:
                if setting.hidden:
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])

        """
        Filter 'Menus' items
        """
        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [menusItem, emptyItem])

        providers = Processing.providers
        for provider in providers:
            providerDescription = provider.getDescription()
            groupItem = QStandardItem(providerDescription)
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for alg in provider.algs:
                algItem = QStandardItem(alg.name)
                algItem.setIcon(icon)
                algItem.setEditable(False)
                try:
                    settingMenu = ProcessingConfig.settings["MENU_" + alg.commandLineName()]
                    settingButton = ProcessingConfig.settings["BUTTON_" + alg.commandLineName()]
                    settingIcon = ProcessingConfig.settings["ICON_" + alg.commandLineName()]
                except:
                    continue
                self.items[settingMenu] = SettingItem(settingMenu)
                self.items[settingButton] = SettingItem(settingButton)
                self.items[settingIcon] = SettingItem(settingIcon)
                menuLabelItem = QStandardItem("Menu path")
                menuLabelItem.setEditable(False)
                buttonLabelItem = QStandardItem("Add button in toolbar")
                buttonLabelItem.setEditable(False)
                iconLabelItem = QStandardItem("Icon")
                iconLabelItem.setEditable(False)
                emptyItem = QStandardItem()
                emptyItem.setEditable(False)
                algItem.insertRow(0, [menuLabelItem, self.items[settingMenu]])
                algItem.insertRow(0, [buttonLabelItem, self.items[settingButton]])
                algItem.insertRow(0, [iconLabelItem, self.items[settingIcon]])
                groupItem.insertRow(0, [algItem, emptyItem])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(self, self.tr('Wrong value'),
                                        self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
コード例 #17
0
ファイル: dlg_sql_window.py プロジェクト: ravirbdgtc/QGIS
class DlgSqlWindow(QWidget, Ui_Dialog):
    nameChanged = pyqtSignal(str)

    def __init__(self, iface, db, parent=None):
        QWidget.__init__(self, parent)
        self.iface = iface
        self.db = db
        self.filter = ""
        self.allowMultiColumnPk = isinstance(
            db, PGDatabase
        )  # at the moment only PostgreSQL allows a primary key to span multiple columns, spatialite doesn't
        self.aliasSubQuery = isinstance(
            db,
            PGDatabase)  # only PostgreSQL requires subqueries to be aliases
        self.setupUi(self)
        self.setWindowTitle(
            u"%s - %s [%s]" %
            (self.windowTitle(), db.connection().connectionName(),
             db.connection().typeNameString()))

        self.defaultLayerName = 'QueryLayer'

        if self.allowMultiColumnPk:
            self.uniqueColumnCheck.setText(
                self.trUtf8("Column(s) with unique values"))
        else:
            self.uniqueColumnCheck.setText(
                self.trUtf8("Column with unique values"))

        self.editSql.setFocus()
        self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.initCompleter()

        # allow copying results
        copyAction = QAction("copy", self)
        self.viewResult.addAction(copyAction)
        copyAction.setShortcuts(QKeySequence.Copy)

        copyAction.triggered.connect(self.copySelectedResults)

        self.btnExecute.clicked.connect(self.executeSql)
        self.btnSetFilter.clicked.connect(self.setFilter)
        self.btnClear.clicked.connect(self.clearSql)

        self.presetStore.clicked.connect(self.storePreset)
        self.presetDelete.clicked.connect(self.deletePreset)
        self.presetCombo.activated[str].connect(self.loadPreset)
        self.presetCombo.activated[str].connect(self.presetName.setText)

        self.updatePresetsCombobox()

        self.geomCombo.setEditable(True)
        self.geomCombo.lineEdit().setReadOnly(True)

        self.uniqueCombo.setEditable(True)
        self.uniqueCombo.lineEdit().setReadOnly(True)
        self.uniqueModel = QStandardItemModel(self.uniqueCombo)
        self.uniqueCombo.setModel(self.uniqueModel)
        if self.allowMultiColumnPk:
            self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
            self.uniqueModel.itemChanged.connect(
                self.uniqueChanged)  # react to the (un)checking of an item
            self.uniqueCombo.lineEdit().textChanged.connect(
                self.uniqueTextChanged
            )  # there are other events that change the displayed text and some of them can not be caught directly

        # hide the load query as layer if feature is not supported
        self._loadAsLayerAvailable = self.db.connector.hasCustomQuerySupport()
        self.loadAsLayerGroup.setVisible(self._loadAsLayerAvailable)
        if self._loadAsLayerAvailable:
            self.layerTypeWidget.hide()  # show if load as raster is supported
            self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
            self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
            self.loadAsLayerGroup.toggled.connect(self.loadAsLayerToggled)
            self.loadAsLayerToggled(False)

        self._createViewAvailable = self.db.connector.hasCreateSpatialViewSupport(
        )
        self.btnCreateView.setVisible(self._createViewAvailable)
        if self._createViewAvailable:
            self.btnCreateView.clicked.connect(self.createView)

        self.queryBuilderFirst = True
        self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
        self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)

        self.presetName.textChanged.connect(self.nameChanged)

    def updatePresetsCombobox(self):
        self.presetCombo.clear()

        names = []
        entries = QgsProject.instance().subkeyList('DBManager', 'savedQueries')
        for entry in entries:
            name = QgsProject.instance().readEntry(
                'DBManager', 'savedQueries/' + entry + '/name')[0]
            names.append(name)

        for name in sorted(names):
            self.presetCombo.addItem(name)
        self.presetCombo.setCurrentIndex(-1)

    def storePreset(self):
        query = self._getSqlQuery()
        if query == "":
            return
        name = self.presetName.text()
        QgsProject.instance().writeEntry(
            'DBManager', 'savedQueries/q' + unicode(name.__hash__()) + '/name',
            name)
        QgsProject.instance().writeEntry(
            'DBManager',
            'savedQueries/q' + unicode(name.__hash__()) + '/query', query)
        index = self.presetCombo.findText(name)
        if index == -1:
            self.presetCombo.addItem(name)
            self.presetCombo.setCurrentIndex(self.presetCombo.count() - 1)
        else:
            self.presetCombo.setCurrentIndex(index)

    def deletePreset(self):
        name = self.presetCombo.currentText()
        QgsProject.instance().removeEntry(
            'DBManager', 'savedQueries/q' + unicode(name.__hash__()))
        self.presetCombo.removeItem(self.presetCombo.findText(name))
        self.presetCombo.setCurrentIndex(-1)

    def loadPreset(self, name):
        query = QgsProject.instance().readEntry(
            'DBManager',
            'savedQueries/q' + unicode(name.__hash__()) + '/query')[0]
        name = QgsProject.instance().readEntry(
            'DBManager',
            'savedQueries/q' + unicode(name.__hash__()) + '/name')[0]
        self.editSql.setText(query)

    def loadAsLayerToggled(self, checked):
        self.loadAsLayerGroup.setChecked(checked)
        self.loadAsLayerWidget.setVisible(checked)
        if checked:
            self.fillColumnCombos()

    def clearSql(self):
        self.editSql.clear()
        self.editSql.setFocus()
        self.filter = ""

    def executeSql(self):

        sql = self._getSqlQuery()
        if sql == "":
            return

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        # delete the old model
        old_model = self.viewResult.model()
        self.viewResult.setModel(None)
        if old_model:
            old_model.deleteLater()

        cols = []
        quotedCols = []

        try:
            # set the new model
            model = self.db.sqlResultModel(sql, self)
            self.viewResult.setModel(model)
            self.lblResult.setText(
                self.tr("%d rows, %.1f seconds") %
                (model.affectedRows(), model.secs()))
            cols = self.viewResult.model().columnNames()
            for col in cols:
                quotedCols.append(self.db.connector.quoteId(col))

        except BaseError as e:
            QApplication.restoreOverrideCursor()
            DlgDbError.showError(e, self)
            self.uniqueModel.clear()
            self.geomCombo.clear()
            return

        self.setColumnCombos(cols, quotedCols)

        self.update()
        QApplication.restoreOverrideCursor()

    def _getSqlLayer(self, _filter):
        hasUniqueField = self.uniqueColumnCheck.checkState() == Qt.Checked
        if hasUniqueField:
            if self.allowMultiColumnPk:
                checkedCols = []
                for item in self.uniqueModel.findItems("*", Qt.MatchWildcard):
                    if item.checkState() == Qt.Checked:
                        checkedCols.append(item.data())
                uniqueFieldName = ",".join(checkedCols)
            elif self.uniqueCombo.currentIndex() >= 0:
                uniqueFieldName = self.uniqueModel.item(
                    self.uniqueCombo.currentIndex()).data()
            else:
                uniqueFieldName = None
        else:
            uniqueFieldName = None
        hasGeomCol = self.hasGeometryCol.checkState() == Qt.Checked
        if hasGeomCol:
            geomFieldName = self.geomCombo.currentText()
        else:
            geomFieldName = None

        query = self._getSqlQuery()
        if query == "":
            return None

        # remove a trailing ';' from query if present
        if query.strip().endswith(';'):
            query = query.strip()[:-1]

        from qgis.core import QgsMapLayer, QgsMapLayerRegistry

        layerType = QgsMapLayer.VectorLayer if self.vectorRadio.isChecked(
        ) else QgsMapLayer.RasterLayer

        # get a new layer name
        names = []
        for layer in list(QgsMapLayerRegistry.instance().mapLayers().values()):
            names.append(layer.name())

        layerName = self.layerNameEdit.text()
        if layerName == "":
            layerName = self.defaultLayerName
        newLayerName = layerName
        index = 1
        while newLayerName in names:
            index += 1
            newLayerName = u"%s_%d" % (layerName, index)

        # create the layer
        layer = self.db.toSqlLayer(query, geomFieldName, uniqueFieldName,
                                   newLayerName, layerType,
                                   self.avoidSelectById.isChecked(), _filter)
        if layer.isValid():
            return layer
        else:
            return None

    def loadSqlLayer(self):
        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        try:
            layer = self._getSqlLayer(self.filter)
            if layer is None:
                return

            from qgis.core import QgsMapLayerRegistry
            QgsMapLayerRegistry.instance().addMapLayers([layer], True)
        finally:
            QApplication.restoreOverrideCursor()

    def fillColumnCombos(self):
        query = self._getSqlQuery()
        if query == "":
            return

        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        # remove a trailing ';' from query if present
        if query.strip().endswith(';'):
            query = query.strip()[:-1]

        # get all the columns
        cols = []
        quotedCols = []
        connector = self.db.connector
        if self.aliasSubQuery:
            # get a new alias
            aliasIndex = 0
            while True:
                alias = "_subQuery__%d" % aliasIndex
                escaped = re.compile('\\b("?)' + re.escape(alias) + '\\1\\b')
                if not escaped.search(query):
                    break
                aliasIndex += 1

            sql = u"SELECT * FROM (%s\n) AS %s LIMIT 0" % (
                unicode(query), connector.quoteId(alias))
        else:
            sql = u"SELECT * FROM (%s\n) WHERE 1=0" % unicode(query)

        c = None
        try:
            c = connector._execute(None, sql)
            cols = connector._get_cursor_columns(c)
            for col in cols:
                quotedCols.append(connector.quoteId(col))

        except BaseError as e:
            QApplication.restoreOverrideCursor()
            DlgDbError.showError(e, self)
            self.uniqueModel.clear()
            self.geomCombo.clear()
            return

        finally:
            if c:
                c.close()
                del c

        self.setColumnCombos(cols, quotedCols)

        QApplication.restoreOverrideCursor()

    def setColumnCombos(self, cols, quotedCols):
        # get sensible default columns. do this before sorting in case there's hints in the column order (eg, id is more likely to be first)
        try:
            defaultGeomCol = next(
                col for col in cols
                if col in ['geom', 'geometry', 'the_geom', 'way'])
        except:
            defaultGeomCol = None
        try:
            defaultUniqueCol = [col for col in cols if 'id' in col][0]
        except:
            defaultUniqueCol = None

        colNames = sorted(zip(cols, quotedCols))
        newItems = []
        uniqueIsFilled = False
        for (col, quotedCol) in colNames:
            item = QStandardItem(col)
            item.setData(quotedCol)
            item.setEnabled(True)
            item.setCheckable(self.allowMultiColumnPk)
            item.setSelectable(not self.allowMultiColumnPk)
            if self.allowMultiColumnPk:
                matchingItems = self.uniqueModel.findItems(col)
                if matchingItems:
                    item.setCheckState(matchingItems[0].checkState())
                    uniqueIsFilled = uniqueIsFilled or matchingItems[
                        0].checkState() == Qt.Checked
                else:
                    item.setCheckState(Qt.Unchecked)
            newItems.append(item)
        if self.allowMultiColumnPk:
            self.uniqueModel.clear()
            self.uniqueModel.appendColumn(newItems)
            self.uniqueChanged()
        else:
            previousUniqueColumn = self.uniqueCombo.currentText()
            self.uniqueModel.clear()
            self.uniqueModel.appendColumn(newItems)
            if self.uniqueModel.findItems(previousUniqueColumn):
                self.uniqueCombo.setEditText(previousUniqueColumn)
                uniqueIsFilled = True

        oldGeometryColumn = self.geomCombo.currentText()
        self.geomCombo.clear()
        self.geomCombo.addItems(cols)
        self.geomCombo.setCurrentIndex(
            self.geomCombo.findText(oldGeometryColumn, Qt.MatchExactly))

        # set sensible default columns if the columns are not already set
        try:
            if self.geomCombo.currentIndex() == -1:
                self.geomCombo.setCurrentIndex(cols.index(defaultGeomCol))
        except:
            pass
        items = self.uniqueModel.findItems(defaultUniqueCol)
        if items and not uniqueIsFilled:
            if self.allowMultiColumnPk:
                items[0].setCheckState(Qt.Checked)
            else:
                self.uniqueCombo.setEditText(defaultUniqueCol)
        try:
            pass
        except:
            pass

    def copySelectedResults(self):
        if len(self.viewResult.selectedIndexes()) <= 0:
            return
        model = self.viewResult.model()

        # convert to string using tab as separator
        text = model.headerToString("\t")
        for idx in self.viewResult.selectionModel().selectedRows():
            text += "\n" + model.rowToString(idx.row(), "\t")

        QApplication.clipboard().setText(text, QClipboard.Selection)
        QApplication.clipboard().setText(text, QClipboard.Clipboard)

    def initCompleter(self):
        dictionary = None
        if self.db:
            dictionary = self.db.connector.getSqlDictionary()
        if not dictionary:
            # use the generic sql dictionary
            from .sql_dictionary import getSqlDictionary

            dictionary = getSqlDictionary()

        wordlist = []
        for name, value in dictionary.items():
            wordlist += value  # concat lists
        wordlist = list(set(wordlist))  # remove duplicates

        api = QsciAPIs(self.editSql.lexer())
        for word in wordlist:
            api.add(word)

        api.prepare()
        self.editSql.lexer().setAPIs(api)

    def displayQueryBuilder(self):
        dlg = QueryBuilderDlg(self.iface,
                              self.db,
                              self,
                              reset=self.queryBuilderFirst)
        self.queryBuilderFirst = False
        r = dlg.exec_()
        if r == QDialog.Accepted:
            self.editSql.setText(dlg.query)

    def createView(self):
        name, ok = QInputDialog.getText(None, "View name", "View name")
        if ok:
            try:
                self.db.connector.createSpatialView(name, self._getSqlQuery())
            except BaseError as e:
                DlgDbError.showError(e, self)

    def _getSqlQuery(self):
        sql = self.editSql.selectedText()
        if len(sql) == 0:
            sql = self.editSql.text()
        return sql

    def uniqueChanged(self):
        # when an item is (un)checked, simply trigger an update of the combobox text
        self.uniqueTextChanged(None)

    def uniqueTextChanged(self, text):
        # Whenever there is new text displayed in the combobox, check if it is the correct one and if not, display the correct one.
        checkedItems = []
        for item in self.uniqueModel.findItems("*", Qt.MatchWildcard):
            if item.checkState() == Qt.Checked:
                checkedItems.append(item.text())
        label = ", ".join(checkedItems)
        if text != label:
            self.uniqueCombo.setEditText(label)

    def setFilter(self):
        from qgis.gui import QgsQueryBuilder
        layer = self._getSqlLayer("")
        if not layer:
            return

        dlg = QgsQueryBuilder(layer)
        dlg.setSql(self.filter)
        if dlg.exec_():
            self.filter = dlg.sql()
        layer.deleteLater()
コード例 #18
0
class ConfigDialog(BASE, WIDGET):
    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirClosedIcon), QIcon.Normal,
            QIcon.Off)
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirOpenIcon), QIcon.Normal,
            QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.textChanged)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def textChanged(self):
        text = unicode(self.searchBox.text().lower())
        self._filterItem(self.model.invisibleRootItem(), text)
        if text:
            self.tree.expandAll()
        else:
            self.tree.collapseAll()

    def _filterItem(self, item, text):
        if item.hasChildren():
            show = False
            for i in xrange(item.rowCount()):
                child = item.child(i)
                showChild = self._filterItem(child, text)
                show = (showChild or show)
            self.tree.setRowHidden(item.row(), item.index().parent(), not show)
            return show

        elif isinstance(item, QStandardItem):
            hide = bool(text) and (text not in item.text().lower())
            self.tree.setRowHidden(item.row(), item.index().parent(), hide)
            return not hide

    def fillTree(self):
        self.fillTreeUsingProviders()

    def fillTreeUsingProviders(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels(
            [self.tr('Setting'), self.tr('Value')])

        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()
        """
        Filter 'General', 'Models' and 'Scripts' items
        """
        priorityKeys = [
            self.tr('General'),
            self.tr('Models'),
            self.tr('Scripts')
        ]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            rootItem.insertRow(0, [groupItem, emptyItem])
            # add menu item only if it has any search matches
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])
        """
        Filter 'Providers' items
        """
        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for setting in settings[group]:
                if setting.hidden:
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])
        """
        Filter 'Menus' items
        """
        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [menusItem, emptyItem])

        providers = Processing.providers
        for provider in providers:
            providerDescription = provider.getDescription()
            groupItem = QStandardItem(providerDescription)
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for alg in provider.algs:
                algItem = QStandardItem(alg.name)
                algItem.setIcon(icon)
                algItem.setEditable(False)
                try:
                    settingMenu = ProcessingConfig.settings[
                        "MENU_" + alg.commandLineName()]
                    settingButton = ProcessingConfig.settings[
                        "BUTTON_" + alg.commandLineName()]
                    settingIcon = ProcessingConfig.settings[
                        "ICON_" + alg.commandLineName()]
                except:
                    continue
                self.items[settingMenu] = SettingItem(settingMenu)
                self.items[settingButton] = SettingItem(settingButton)
                self.items[settingIcon] = SettingItem(settingIcon)
                menuLabelItem = QStandardItem("Menu path")
                menuLabelItem.setEditable(False)
                buttonLabelItem = QStandardItem("Add button in toolbar")
                buttonLabelItem.setEditable(False)
                iconLabelItem = QStandardItem("Icon")
                iconLabelItem.setEditable(False)
                emptyItem = QStandardItem()
                emptyItem.setEditable(False)
                algItem.insertRow(0, [menuLabelItem, self.items[settingMenu]])
                algItem.insertRow(0,
                                  [buttonLabelItem, self.items[settingButton]])
                algItem.insertRow(0, [iconLabelItem, self.items[settingIcon]])
                groupItem.insertRow(0, [algItem, emptyItem])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(
                    self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(
                        self, self.tr('Wrong value'),
                        self.tr('Wrong value for parameter "%s":\n\n%s' %
                                (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
コード例 #19
0
ファイル: dlg_sql_window.py プロジェクト: ravirbdgtc/QGIS
    def __init__(self, iface, db, parent=None):
        QWidget.__init__(self, parent)
        self.iface = iface
        self.db = db
        self.filter = ""
        self.allowMultiColumnPk = isinstance(
            db, PGDatabase
        )  # at the moment only PostgreSQL allows a primary key to span multiple columns, spatialite doesn't
        self.aliasSubQuery = isinstance(
            db,
            PGDatabase)  # only PostgreSQL requires subqueries to be aliases
        self.setupUi(self)
        self.setWindowTitle(
            u"%s - %s [%s]" %
            (self.windowTitle(), db.connection().connectionName(),
             db.connection().typeNameString()))

        self.defaultLayerName = 'QueryLayer'

        if self.allowMultiColumnPk:
            self.uniqueColumnCheck.setText(
                self.trUtf8("Column(s) with unique values"))
        else:
            self.uniqueColumnCheck.setText(
                self.trUtf8("Column with unique values"))

        self.editSql.setFocus()
        self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.initCompleter()

        # allow copying results
        copyAction = QAction("copy", self)
        self.viewResult.addAction(copyAction)
        copyAction.setShortcuts(QKeySequence.Copy)

        copyAction.triggered.connect(self.copySelectedResults)

        self.btnExecute.clicked.connect(self.executeSql)
        self.btnSetFilter.clicked.connect(self.setFilter)
        self.btnClear.clicked.connect(self.clearSql)

        self.presetStore.clicked.connect(self.storePreset)
        self.presetDelete.clicked.connect(self.deletePreset)
        self.presetCombo.activated[str].connect(self.loadPreset)
        self.presetCombo.activated[str].connect(self.presetName.setText)

        self.updatePresetsCombobox()

        self.geomCombo.setEditable(True)
        self.geomCombo.lineEdit().setReadOnly(True)

        self.uniqueCombo.setEditable(True)
        self.uniqueCombo.lineEdit().setReadOnly(True)
        self.uniqueModel = QStandardItemModel(self.uniqueCombo)
        self.uniqueCombo.setModel(self.uniqueModel)
        if self.allowMultiColumnPk:
            self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
            self.uniqueModel.itemChanged.connect(
                self.uniqueChanged)  # react to the (un)checking of an item
            self.uniqueCombo.lineEdit().textChanged.connect(
                self.uniqueTextChanged
            )  # there are other events that change the displayed text and some of them can not be caught directly

        # hide the load query as layer if feature is not supported
        self._loadAsLayerAvailable = self.db.connector.hasCustomQuerySupport()
        self.loadAsLayerGroup.setVisible(self._loadAsLayerAvailable)
        if self._loadAsLayerAvailable:
            self.layerTypeWidget.hide()  # show if load as raster is supported
            self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
            self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
            self.loadAsLayerGroup.toggled.connect(self.loadAsLayerToggled)
            self.loadAsLayerToggled(False)

        self._createViewAvailable = self.db.connector.hasCreateSpatialViewSupport(
        )
        self.btnCreateView.setVisible(self._createViewAvailable)
        if self._createViewAvailable:
            self.btnCreateView.clicked.connect(self.createView)

        self.queryBuilderFirst = True
        self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
        self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)

        self.presetName.textChanged.connect(self.nameChanged)