gazetteersearchdialog.py

# -*- coding: utf-8 -*-
"""
/***************************************************************************
 gazetteerSearchDialog
                                 A QGIS plugin
 Gazetteer
Search plugin
                             -------------------
        begin                : 2012-07-21
        copyright            : (C) 2012 by Nathan Woodrow
        email                : woodrow.nathan@gmail.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.                                   *
 *                                                                         *
 ***************************************************************************/
"""

from PyQt4 import QtCore, QtGui
from ui_gazetteersearch import Ui_gazetteerSearch
import resources_rc

class gazetteerSearchDialog(QtGui.QDialog):
    runSearch = QtCore.pyqtSignal(str, str)
    zoomRequested = QtCore.pyqtSignal(str)

    def __init__(self):
        QtGui.QDialog.__init__(self)
        self.ui = Ui_gazetteerSearch()
        self.ui.setupUi(self)
        self.ui.goButton.pressed.connect(self._doSearch)
        self.ui.resultsList.itemActivated.connect(self._zoomTo)

    def addGazetter(self, gazetter):
        self.ui.gazzetterCombo.addItem(gazetter)

    def selectedGazetteer(self):
        return self.ui.gazzetterCombo.currentText()

    def addResult(self, name):
        self.hasErrors = False
        item = QtGui.QListWidgetItem(name)
        self.ui.resultsList.addItem(item)

    def clearResults(self):
        self.hasErrors = False
        self.ui.resultsList.clear()

    def hideGazetteers(self):
        self.ui.gazzetterCombo.hide()
        self.ui.label_2.hide()

    def _doSearch(self):
        self.clearResults()
        self.runSearch.emit(self.ui.searchEdit.text(), self.selectedGazetteer())

    def _zoomTo(self, item):
        if self.hasErrors:
            return
        else:
            self.zoomRequested.emit(item.text())

    def addError(self, text):
        self.hasErrors = True
        item = QtGui.QListWidgetItem(text)
        item.setIcon(QtGui.QIcon(":/plugins/gazetteersearch/warning.png"))
        item.setTextAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter )
        item.setForeground(QtCore.Qt.red)
        self.ui.resultsList.addItem(item)