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

"""
***************************************************************************
    EditRenderingStylesDialog.py
    ---------------------
    Date                 : August 2012
    Copyright            : (C) 2012 by Victor Olaya
    Email                : volayaf 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__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = '307d082e3de804064a7295aa079ee6cd0e47845a'

import os

from qgis.PyQt import uic
from qgis.PyQt.QtCore import Qt
from qgis.PyQt.QtWidgets import QDialog, QHeaderView, QTableWidgetItem

from qgis.core import (QgsProcessingOutputRasterLayer,
                       QgsProcessingOutputVectorLayer)

from processing.gui.RenderingStyles import RenderingStyles
from processing.gui.RenderingStyleFilePanel import RenderingStyleFilePanel

pluginPath = os.path.split(os.path.dirname(__file__))[0]
WIDGET, BASE = uic.loadUiType(
    os.path.join(pluginPath, 'ui', 'DlgRenderingStyles.ui'))


class EditRenderingStylesDialog(BASE, WIDGET):

    def __init__(self, alg):
        super(EditRenderingStylesDialog, self).__init__(None)
        self.setupUi(self)

        self.alg = alg

        self.tblStyles.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        self.setWindowTitle(self.alg.displayName())

        self.valueItems = {}
        self.dependentItems = {}
        self.setTableContent()

    def setTableContent(self):
        numOutputs = 0
        for output in self.alg.outputDefinitions():
            if isinstance(output, (QgsProcessingOutputVectorLayer, QgsProcessingOutputRasterLayer)):
                numOutputs += 1
        self.tblStyles.setRowCount(numOutputs)

        i = 0
        for output in self.alg.outputDefinitions():
            if isinstance(output, (QgsProcessingOutputVectorLayer, QgsProcessingOutputRasterLayer)):
                item = QTableWidgetItem(output.description() + '<' +
                                        output.__class__.__name__ + '>')
                item.setFlags(Qt.ItemIsEnabled)
                self.tblStyles.setItem(i, 0, item)
                item = RenderingStyleFilePanel()
                style = \
                    RenderingStyles.getStyle(self.alg.id(),
                                             output.name())
                if style:
                    item.setText(str(style))
                self.valueItems[output.name()] = item
                self.tblStyles.setCellWidget(i, 1, item)
                self.tblStyles.setRowHeight(i, 22)
            i += 1

    def accept(self):
        styles = {}
        for key in list(self.valueItems.keys()):
            styles[key] = str(self.valueItems[key].getValue())
        RenderingStyles.addAlgStylesAndSave(self.alg.id(), styles)

        QDialog.accept(self)

    def reject(self):
        QDialog.reject(self)
