File: doInfo.py

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# -*- coding: utf-8 -*-

"""
***************************************************************************
    doInfo.py
    ---------------------
    Date                 : June 2010
    Copyright            : (C) 2010 by Giuseppe Sucameli
    Email                : brush dot tyler at gmail dot com
***************************************************************************
*                                                                         *
*   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.                                   *
*                                                                         *
***************************************************************************
"""

__author__ = 'Giuseppe Sucameli'
__date__ = 'June 2010'
__copyright__ = '(C) 2010, Giuseppe Sucameli'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'

from qgis.PyQt.QtCore import Qt
from qgis.PyQt.QtWidgets import QWidget, QAction, QApplication, QMenu

from .ui_widgetInfo import Ui_GdalToolsWidget as Ui_Widget
from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
from . import GdalTools_utils as Utils

import platform


class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):

    def __init__(self, iface):
        QWidget.__init__(self)
        self.iface = iface

        self.setupUi(self)
        BasePluginWidget.__init__(self, self.iface, "gdalinfo")

        # we don't need load to canvas functionality
        self.base.loadCheckBox.hide()
        # make window large
        self.base.resize(400, 360)

        self.setParamsStatus([
            (self.inSelector, "filenameChanged"),
            (self.suppressGCPCheck, "stateChanged"),
            (self.suppressMDCheck, "stateChanged")
        ])

        self.inSelector.selectClicked.connect(self.fillInputFileEdit)

        # helper actions for copying info output
        self.copyLine = QAction(self.tr("Copy"), self)
        self.copyLine.triggered.connect(self.doCopyLine)
        self.copyAll = QAction(self.tr("Copy all"), self)
        self.copyAll.triggered.connect(self.doCopyAll)

    def doCopyLine(self):
        output = ''
        items = self.rasterInfoList.selectedItems()
        for r in items:
            output += r.text() + "\n"
        if output:
            clipboard = QApplication.clipboard()
            clipboard.setText(output)

    def doCopyAll(self):
        output = ''
        for r in range(self.rasterInfoList.count()):
            output += self.rasterInfoList.item(r).text() + "\n"
        if output:
            clipboard = QApplication.clipboard()
            clipboard.setText(output)

    def keyPressEvent(self, e):
        if (e.modifiers() == Qt.ControlModifier or e.modifiers() == Qt.MetaModifier) and e.key() == Qt.Key_C:
            items = ''
            for r in range(self.rasterInfoList.count()):
                items.append(self.rasterInfoList.item(r).text() + "\n")
            if items:
                clipboard = QApplication.clipboard()
                clipboard.setText(items)
        else:
            QWidget.keyPressEvent(self, e)

    def onLayersChanged(self):
        self.inSelector.setLayers(Utils.LayerRegistry.instance().getRasterLayers())

    def finished(self):
        self.rasterInfoList.clear()
        arr = unicode(self.base.process.readAllStandardOutput()).strip()
        if platform.system() == "Windows":
            #info = QString.fromLocal8Bit( arr ).strip().split( "\r\n" )
            # TODO test
            info = arr.splitlines()
        else:
            info = arr.splitlines()
        self.rasterInfoList.addItems(info)

    def fillInputFileEdit(self):
        lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
        inputFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the file to analyse"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
        if not inputFile:
            return
        Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)

        self.inSelector.setFilename(inputFile)

    def getArguments(self):
        arguments = []
        if self.suppressGCPCheck.isChecked():
            arguments.append("-nogcp")
        if self.suppressMDCheck.isChecked():
            arguments.append("-nomd")
        arguments.append(self.getInputFileName())
        return arguments

#  def getOutputFileName( self ):
#      return self.inSelector.filename()

    def getInputFileName(self):
        return self.inSelector.filename()

    def contextMenuEvent(self, event):
        menu = QMenu(self)
        menu.addAction(self.copyLine)
        menu.addAction(self.copyAll)
        menu.exec_(event.globalPos())