forked from openlp/openlp
139 lines
5.3 KiB
Python
139 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OpenLP - Open Source Lyrics Projection
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Copyright (c) 2008 Raoul Snyman
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Portions copyright (c) 2008 Martin Thompson, Tim Bentley, Carsten Tinggaard
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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from openlp.core.resources import *
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from PyQt4 import QtGui, QtCore
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from PyQt4.QtGui import QDialog
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from PyQt4.QtCore import pyqtSignature
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from authorsdialog import Ui_AuthorsDialog
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from openlp.plugins.songs.lib.classes import *
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class AuthorsForm(QDialog, Ui_AuthorsDialog):
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"""
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Class to control the Maintenance of Authors Dialog
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"""
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def __init__(self, songmanager, parent = None):
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"""
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Set up the screen and common data
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"""
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QDialog.__init__(self, parent)
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self.setupUi(self)
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self.songmanager = songmanager
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self.AuthorListView.setColumnCount(2)
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self.AuthorListView.setColumnHidden(0, True)
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self.AuthorListView.setColumnWidth(1, 300)
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self.AuthorListView.setHorizontalHeaderLabels(QtCore.QStringList([" ","Author"]))
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self.currentrow = 0
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self.author = None
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def load_form(self):
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"""
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Refresh the screen and rest fields
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"""
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self.on_ClearButton_clicked() # tidy up screen
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authors = self.songmanager.get_authors()
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self.AuthorListView.clear() # clear the results
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self.AuthorListView.setHorizontalHeaderLabels(QtCore.QStringList([" ","Author"]))
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self.AuthorListView.setRowCount(0)
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for author in authors:
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c = self.AuthorListView.rowCount()
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self.AuthorListView.setRowCount(c+1)
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twi = QtGui.QTableWidgetItem(str(author.id))
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self.AuthorListView.setItem(c , 0, twi)
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twi = QtGui.QTableWidgetItem(str(author.display_name))
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twi.setFlags(QtCore.Qt.ItemIsSelectable)
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self.AuthorListView.setItem(c , 1, twi)
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self.AuthorListView.setRowHeight(c, 20)
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c = self.AuthorListView.rowCount()
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if self.currentrow > c: # incase we have delete the last row of the table
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self.currentrow = c
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self.AuthorListView.selectRow(self.currentrow) # set selected row to previous selected row
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self._validate_form()
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@pyqtSignature("")
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def on_DeleteButton_clicked(self):
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"""
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Delete the author is the Author is not attached to any songs
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"""
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self.songmanager.delete_author(self.author.id)
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self.on_ClearButton_clicked()
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self.load_form()
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@pyqtSignature("")
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def on_DisplayEdit_lostFocus(self):
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self._validate_form()
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@pyqtSignature("")
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def on_AddUpdateButton_clicked(self):
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"""
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Sent New or update details to the database
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"""
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if self.author == None:
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self.author = Author()
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self.author.display_name = unicode(self.DisplayEdit.displayText())
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self.author.first_name = unicode(self.FirstNameEdit.displayText())
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self.author.last_name = unicode(self.LastNameEdit.displayText())
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self.songmanager.save_author(self.author)
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self.on_ClearButton_clicked()
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self.load_form()
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self._validate_form()
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@pyqtSignature("")
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def on_ClearButton_clicked(self):
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"""
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Tidy up screen if clear button pressed
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"""
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self.DisplayEdit.setText("")
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self.FirstNameEdit.setText("")
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self.LastNameEdit.setText("")
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self.MessageLabel.setText("")
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self.DeleteButton.setEnabled(False)
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self.author = None
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self._validate_form()
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@pyqtSignature("QTableWidgetItem*")
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def on_AuthorListView_itemClicked(self, item):
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"""
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An Author has been selected display it
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If the author is attached to a Song prevent delete
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"""
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self.currentrow = self.AuthorListView.currentRow()
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id = int(self.AuthorListView.item(self.currentrow, 0).text())
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self.author = self.songmanager.get_author(id)
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self.DisplayEdit.setText(self.author.display_name)
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self.FirstNameEdit.setText(self.author.first_name)
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self.LastNameEdit.setText(self.author.last_name)
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songs = self.songmanager.get_song_authors_for_author(id)
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if len(songs) > 0:
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self.MessageLabel.setText("Author in use 'Delete' is disabled")
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self.DeleteButton.setEnabled(False)
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else:
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self.MessageLabel.setText("Author is not used")
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self.DeleteButton.setEnabled(True)
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self._validate_form()
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def _validate_form(self):
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if len(self.DisplayEdit.displayText()) == 0: # We need at lease a display name
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self.AddUpdateButton.setEnabled(False)
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else:
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self.AddUpdateButton.setEnabled(True)
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