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AlgorithmDialogBase.py
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AlgorithmDialogBase.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
AlgorithmDialogBase.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__ = '$Format:%H$'
import os
import webbrowser
from PyQt4 import uic
from PyQt4.QtCore import QCoreApplication, QSettings, QByteArray, SIGNAL, QUrl
from PyQt4.QtGui import QApplication, QDialogButtonBox, QDesktopWidget
from qgis.utils import iface
from qgis.core import *
from processing.core.ProcessingConfig import ProcessingConfig
from processing.gui import AlgorithmClassification
pluginPath = os.path.split(os.path.dirname(__file__))[0]
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'DlgAlgorithmBase.ui'))
class AlgorithmDialogBase(BASE, WIDGET):
class InvalidParameterValue(Exception):
def __init__(self, param, widget):
(self.parameter, self.widget) = (param, widget)
def __init__(self, alg):
super(AlgorithmDialogBase, self).__init__(iface.mainWindow())
self.setupUi(self)
self.settings = QSettings()
self.restoreGeometry(self.settings.value("/Processing/dialogBase", QByteArray()))
self.executed = False
self.mainWidget = None
self.alg = alg
# Rename OK button to Run
self.btnRun = self.buttonBox.button(QDialogButtonBox.Ok)
self.btnRun.setText(self.tr('Run'))
self.btnClose = self.buttonBox.button(QDialogButtonBox.Close)
self.setWindowTitle(AlgorithmClassification.getDisplayName(self.alg))
desktop = QDesktopWidget()
if desktop.physicalDpiX() > 96:
self.textHelp.setZoomFactor(desktop.physicalDpiX() / 96)
algHelp = self.alg.shortHelp()
if algHelp is None:
self.textShortHelp.setVisible(False)
else:
self.textShortHelp.document().setDefaultStyleSheet('''.summary { margin-left: 10px; margin-right: 10px; }
h2 { color: #555555; padding-bottom: 15px; }
a { text-decoration: none; color: #3498db; font-weight: bold; }
p { color: #666666; }
b { color: #333333; }
dl dd { margin-bottom: 5px; }''')
self.textShortHelp.setHtml(algHelp)
self.textShortHelp.setOpenLinks(False)
def linkClicked(url):
webbrowser.open(url.toString())
self.textShortHelp.connect(self.textShortHelp, SIGNAL("anchorClicked(const QUrl&)"), linkClicked)
self.textHelp.page().setNetworkAccessManager(QgsNetworkAccessManager.instance())
isText, algHelp = self.alg.help()
if algHelp is not None:
algHelp = algHelp if isText else QUrl(algHelp)
try:
if isText:
self.textHelp.setHtml(algHelp)
else:
self.textHelp.settings().clearMemoryCaches()
self.textHelp.load(algHelp)
except:
self.tabWidget.removeTab(2)
else:
self.tabWidget.removeTab(2)
self.showDebug = ProcessingConfig.getSetting(
ProcessingConfig.SHOW_DEBUG_IN_DIALOG)
def closeEvent(self, evt):
self.settings.setValue("/Processing/dialogBase", self.saveGeometry())
super(AlgorithmDialogBase, self).closeEvent(evt)
def setMainWidget(self):
self.tabWidget.widget(0).layout().addWidget(self.mainWidget)
def error(self, msg):
QApplication.restoreOverrideCursor()
self.setInfo(msg, True)
self.resetGUI()
self.tabWidget.setCurrentIndex(1)
def resetGUI(self):
QApplication.restoreOverrideCursor()
self.lblProgress.setText('')
self.progressBar.setMaximum(100)
self.progressBar.setValue(0)
self.btnRun.setEnabled(True)
self.btnClose.setEnabled(True)
def setInfo(self, msg, error=False):
if error:
self.txtLog.append('<span style="color:red"><br>%s<br></span>' % msg)
else:
self.txtLog.append(msg)
QCoreApplication.processEvents()
def setCommand(self, cmd):
if self.showDebug:
self.setInfo('<code>%s<code>' % cmd)
QCoreApplication.processEvents()
def setDebugInfo(self, msg):
if self.showDebug:
self.setInfo('<span style="color:blue">%s</span>' % msg)
QCoreApplication.processEvents()
def setConsoleInfo(self, msg):
if self.showDebug:
self.setCommand('<span style="color:darkgray">%s</span>' % msg)
QCoreApplication.processEvents()
def setPercentage(self, value):
if self.progressBar.maximum() == 0:
self.progressBar.setMaximum(100)
self.progressBar.setValue(value)
QCoreApplication.processEvents()
def setText(self, text):
self.lblProgress.setText(text)
self.setInfo(text, False)
QCoreApplication.processEvents()
def setParamValues(self):
pass
def setParamValue(self, param, widget, alg=None):
pass
def accept(self):
pass
def finish(self):
pass