Source code for openlp.plugins.custom.forms.editcustomform
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2017 OpenLP Developers #
# --------------------------------------------------------------------------- #
# 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; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import logging
from PyQt5 import QtCore, QtWidgets
from openlp.core.common import Registry, translate
from openlp.core.lib.ui import critical_error_message_box, find_and_set_in_combo_box
from openlp.plugins.custom.lib import CustomXMLBuilder, CustomXMLParser
from openlp.plugins.custom.lib.db import CustomSlide
from .editcustomdialog import Ui_CustomEditDialog
from .editcustomslideform import EditCustomSlideForm
log = logging.getLogger(__name__)
[docs]class EditCustomForm(QtWidgets.QDialog, Ui_CustomEditDialog):
"""
Class documentation goes here.
"""
log.info('Custom Editor loaded')
def __init__(self, media_item, parent, manager):
"""
Constructor
"""
super(EditCustomForm, self).__init__(parent, QtCore.Qt.WindowSystemMenuHint | QtCore.Qt.WindowTitleHint)
self.manager = manager
self.media_item = media_item
self.setupUi(self)
# Create other objects and forms.
self.edit_slide_form = EditCustomSlideForm(self)
# Connecting signals and slots
self.preview_button.clicked.connect(self.on_preview_button_clicked)
self.add_button.clicked.connect(self.on_add_button_clicked)
self.edit_button.clicked.connect(self.on_edit_button_clicked)
self.edit_all_button.clicked.connect(self.on_edit_all_button_clicked)
self.slide_list_view.currentRowChanged.connect(self.on_current_row_changed)
self.slide_list_view.doubleClicked.connect(self.on_edit_button_clicked)
Registry().register_function('theme_update_list', self.load_themes)
[docs] def load_themes(self, theme_list):
"""
Load a list of themes into the themes combo box.
:param theme_list: The list of themes to load.
"""
self.theme_combo_box.clear()
self.theme_combo_box.addItem('')
self.theme_combo_box.addItems(theme_list)
[docs] def load_custom(self, id, preview=False):
"""
Called when editing or creating a new custom.
:param id: The custom's id. If zero, then a new custom is created.
:param preview: States whether the custom is edited while being previewed in the preview panel.
"""
self.slide_list_view.clear()
if id == 0:
self.custom_slide = CustomSlide()
self.title_edit.setText('')
self.credit_edit.setText('')
self.theme_combo_box.setCurrentIndex(0)
else:
self.custom_slide = self.manager.get_object(CustomSlide, id)
self.title_edit.setText(self.custom_slide.title)
self.credit_edit.setText(self.custom_slide.credits)
custom_xml = CustomXMLParser(self.custom_slide.text)
slide_list = custom_xml.get_verses()
self.slide_list_view.addItems([slide[1] for slide in slide_list])
theme = self.custom_slide.theme_name
find_and_set_in_combo_box(self.theme_combo_box, theme)
self.title_edit.setFocus()
# If not preview hide the preview button.
self.preview_button.setVisible(preview)
[docs] def accept(self):
"""
Override the QDialog method to check if the custom slide has been saved before closing the dialog.
"""
log.debug('accept')
if self.save_custom():
QtWidgets.QDialog.accept(self)
[docs] def save_custom(self):
"""
Saves the custom.
"""
if not self._validate():
return False
sxml = CustomXMLBuilder()
for count in range(self.slide_list_view.count()):
sxml.add_verse_to_lyrics('custom', str(count + 1), self.slide_list_view.item(count).text())
self.custom_slide.title = self.title_edit.text()
self.custom_slide.text = str(sxml.extract_xml(), 'utf-8')
self.custom_slide.credits = self.credit_edit.text()
self.custom_slide.theme_name = self.theme_combo_box.currentText()
success = self.manager.save_object(self.custom_slide)
self.media_item.auto_select_id = self.custom_slide.id
return success
[docs] def on_up_button_clicked(self):
"""
Move a slide up in the list when the "Up" button is clicked.
"""
selected_row = self.slide_list_view.currentRow()
if selected_row != 0:
qw = self.slide_list_view.takeItem(selected_row)
self.slide_list_view.insertItem(selected_row - 1, qw)
self.slide_list_view.setCurrentRow(selected_row - 1)
[docs] def on_down_button_clicked(self):
"""
Move a slide down in the list when the "Down" button is clicked.
"""
selected_row = self.slide_list_view.currentRow()
# zero base arrays
if selected_row != self.slide_list_view.count() - 1:
qw = self.slide_list_view.takeItem(selected_row)
self.slide_list_view.insertItem(selected_row + 1, qw)
self.slide_list_view.setCurrentRow(selected_row + 1)
[docs] def on_add_button_clicked(self):
"""
Add a new blank slide.
"""
self.edit_slide_form.set_text('')
if self.edit_slide_form.exec():
self.slide_list_view.addItems(self.edit_slide_form.get_text())
[docs] def on_edit_button_clicked(self):
"""
Edit the currently selected slide.
"""
self.edit_slide_form.set_text(self.slide_list_view.currentItem().text())
if self.edit_slide_form.exec():
self.update_slide_list(self.edit_slide_form.get_text())
[docs] def on_edit_all_button_clicked(self):
"""
Edits all slides.
"""
slide_text = ''
for row in range(self.slide_list_view.count()):
item = self.slide_list_view.item(row)
slide_text += item.text()
if row != self.slide_list_view.count() - 1:
slide_text += '\n[===]\n'
self.edit_slide_form.set_text(slide_text)
if self.edit_slide_form.exec():
self.update_slide_list(self.edit_slide_form.get_text(), True)
[docs] def on_preview_button_clicked(self):
"""
Save the custom item and preview it.
"""
log.debug('onPreview')
if self.save_custom():
Registry().execute('custom_preview')
[docs] def update_slide_list(self, slides, edit_all=False):
"""
Updates the slide list after editing slides.
:param slides: A list of all slides which have been edited.
:param edit_all: Indicates if all slides or only one slide has been edited.
"""
if edit_all:
self.slide_list_view.clear()
self.slide_list_view.addItems(slides)
else:
old_row = self.slide_list_view.currentRow()
# Create a list with all (old/unedited) slides.
old_slides = [self.slide_list_view.item(row).text() for row in range(self.slide_list_view.count())]
self.slide_list_view.clear()
old_slides.pop(old_row)
# Insert all slides to make the old_slides list complete.
for slide in slides:
old_slides.insert(old_row, slide)
old_row += 1
self.slide_list_view.addItems(old_slides)
self.slide_list_view.repaint()
[docs] def on_delete_button_clicked(self):
"""
Removes the current row from the list.
"""
self.slide_list_view.takeItem(self.slide_list_view.currentRow())
self.on_current_row_changed(self.slide_list_view.currentRow())
[docs] def on_current_row_changed(self, row):
"""
Called when the *slide_list_view*'s current row has been changed. This
enables or disables buttons which require an slide to act on.
:param row: The row (int). If there is no current row, the value is -1.
"""
if row == -1:
self.delete_button.setEnabled(False)
self.edit_button.setEnabled(False)
self.up_button.setEnabled(False)
self.down_button.setEnabled(False)
else:
self.delete_button.setEnabled(True)
self.edit_button.setEnabled(True)
# Decide if the up/down buttons should be enabled or not.
self.down_button.setEnabled(self.slide_list_view.count() - 1 != row)
self.up_button.setEnabled(row != 0)
def _validate(self):
"""
Checks whether a custom is valid or not.
"""
# We must have a title.
if not self.title_edit.displayText():
self.title_edit.setFocus()
critical_error_message_box(message=translate('CustomPlugin.EditCustomForm', 'You need to type in a title.'))
return False
# We must have at least one slide.
if self.slide_list_view.count() == 0:
critical_error_message_box(message=translate('CustomPlugin.EditCustomForm',
'You need to add at least one slide.'))
return False
return True