forked from openlp/openlp
544 lines
27 KiB
Python
544 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky, Patrick Zimmermann #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The Theme wizard
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"""
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import logging
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import os
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from PyQt4 import QtCore, QtGui
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from openlp.core.common import Registry, RegistryProperties, UiStrings, translate
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from openlp.core.lib.theme import BackgroundType, BackgroundGradientType
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from openlp.core.lib.ui import critical_error_message_box
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from openlp.core.ui import ThemeLayoutForm
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from openlp.core.utils import get_images_filter, is_not_image_file
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from .themewizard import Ui_ThemeWizard
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log = logging.getLogger(__name__)
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class ThemeForm(QtGui.QWizard, Ui_ThemeWizard, RegistryProperties):
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"""
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This is the Theme Import Wizard, which allows easy creation and editing of
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OpenLP themes.
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"""
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log.info('ThemeWizardForm loaded')
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def __init__(self, parent):
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"""
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Instantiate the wizard, and run any extra setup we need to.
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:param parent: The QWidget-derived parent of the wizard.
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"""
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super(ThemeForm, self).__init__(parent)
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self.setupUi(self)
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self.registerFields()
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self.update_theme_allowed = True
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self.temp_background_filename = ''
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self.theme_layout_form = ThemeLayoutForm(self)
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self.background_combo_box.currentIndexChanged.connect(self.on_background_combo_box_current_index_changed)
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self.gradient_combo_box.currentIndexChanged.connect(self.on_gradient_combo_box_current_index_changed)
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self.color_button.clicked.connect(self.on_color_button_clicked)
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self.image_color_button.clicked.connect(self.on_image_color_button_clicked)
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self.gradient_start_button.clicked.connect(self.on_gradient_start_button_clicked)
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self.gradient_end_button.clicked.connect(self.on_gradient_end_button_clicked)
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self.image_browse_button.clicked.connect(self.on_image_browse_button_clicked)
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self.image_file_edit.editingFinished.connect(self.on_image_file_edit_editing_finished)
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self.main_color_button.clicked.connect(self.on_main_color_button_clicked)
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self.outline_color_button.clicked.connect(self.on_outline_color_button_clicked)
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self.shadow_color_button.clicked.connect(self.on_shadow_color_button_clicked)
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self.outline_check_box.stateChanged.connect(self.on_outline_check_check_box_state_changed)
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self.shadow_check_box.stateChanged.connect(self.on_shadow_check_check_box_state_changed)
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self.footer_color_button.clicked.connect(self.on_footer_color_button_clicked)
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self.customButtonClicked.connect(self.on_custom_1_button_clicked)
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self.main_position_check_box.stateChanged.connect(self.on_main_position_check_box_state_changed)
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self.footer_position_check_box.stateChanged.connect(self.on_footer_position_check_box_state_changed)
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self.currentIdChanged.connect(self.on_current_id_changed)
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Registry().register_function('theme_line_count', self.update_lines_text)
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self.main_size_spin_box.valueChanged.connect(self.calculate_lines)
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self.line_spacing_spin_box.valueChanged.connect(self.calculate_lines)
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self.outline_size_spin_box.valueChanged.connect(self.calculate_lines)
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self.shadow_size_spin_box.valueChanged.connect(self.calculate_lines)
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self.main_font_combo_box.activated.connect(self.calculate_lines)
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self.footer_font_combo_box.activated.connect(self.update_theme)
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self.footer_size_spin_box.valueChanged.connect(self.update_theme)
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def set_defaults(self):
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"""
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Set up display at start of theme edit.
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"""
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self.restart()
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self.set_background_page_values()
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self.set_main_area_page_values()
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self.set_footer_area_page_values()
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self.set_alignment_page_values()
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self.set_position_page_values()
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self.set_preview_page_values()
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def registerFields(self):
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"""
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Map field names to screen names,
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"""
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self.background_page.registerField('background_type', self.background_combo_box)
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self.background_page.registerField('color', self.color_button)
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self.background_page.registerField('gradient_start', self.gradient_start_button)
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self.background_page.registerField('gradient_end', self.gradient_end_button)
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self.background_page.registerField('background_image', self.image_file_edit)
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self.background_page.registerField('gradient', self.gradient_combo_box)
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self.main_area_page.registerField('main_color_button', self.main_color_button)
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self.main_area_page.registerField('main_size_spin_box', self.main_size_spin_box)
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self.main_area_page.registerField('line_spacing_spin_box', self.line_spacing_spin_box)
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self.main_area_page.registerField('outline_check_box', self.outline_check_box)
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self.main_area_page.registerField('outline_color_button', self.outline_color_button)
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self.main_area_page.registerField('outline_size_spin_box', self.outline_size_spin_box)
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self.main_area_page.registerField('shadow_check_box', self.shadow_check_box)
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self.main_area_page.registerField('main_bold_check_box', self.main_bold_check_box)
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self.main_area_page.registerField('main_italics_check_box', self.main_italics_check_box)
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self.main_area_page.registerField('shadow_color_button', self.shadow_color_button)
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self.main_area_page.registerField('shadow_size_spin_box', self.shadow_size_spin_box)
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self.main_area_page.registerField('footer_size_spin_box', self.footer_size_spin_box)
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self.area_position_page.registerField('main_position_x', self.main_x_spin_box)
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self.area_position_page.registerField('main_position_y', self.main_y_spin_box)
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self.area_position_page.registerField('main_position_width', self.main_width_spin_box)
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self.area_position_page.registerField('main_position_height', self.main_height_spin_box)
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self.area_position_page.registerField('footer_position_x', self.footer_x_spin_box)
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self.area_position_page.registerField('footer_position_y', self.footer_y_spin_box)
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self.area_position_page.registerField('footer_position_width', self.footer_width_spin_box)
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self.area_position_page.registerField('footer_position_height', self.footer_height_spin_box)
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self.background_page.registerField('horizontal', self.horizontal_combo_box)
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self.background_page.registerField('vertical', self.vertical_combo_box)
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self.background_page.registerField('slide_transition', self.transitions_check_box)
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self.background_page.registerField('name', self.theme_name_edit)
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def calculate_lines(self):
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"""
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Calculate the number of lines on a page by rendering text
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"""
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# Do not trigger on start up
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if self.currentPage != self.welcome_page:
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self.update_theme()
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self.theme_manager.generate_image(self.theme, True)
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def update_lines_text(self, lines):
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"""
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Updates the lines on a page on the wizard
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"""
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self.main_line_count_label.setText(
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translate('OpenLP.ThemeForm', '(approximately %d lines per slide)') % int(lines))
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def resizeEvent(self, event=None):
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"""
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Rescale the theme preview thumbnail on resize events.
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"""
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if not event:
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event = QtGui.QResizeEvent(self.size(), self.size())
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QtGui.QWizard.resizeEvent(self, event)
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if self.currentPage() == self.preview_page:
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frame_width = self.preview_box_label.lineWidth()
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pixmap_width = self.preview_area.width() - 2 * frame_width
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pixmap_height = self.preview_area.height() - 2 * frame_width
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aspect_ratio = float(pixmap_width) / pixmap_height
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if aspect_ratio < self.display_aspect_ratio:
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pixmap_height = int(pixmap_width / self.display_aspect_ratio + 0.5)
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else:
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pixmap_width = int(pixmap_height * self.display_aspect_ratio + 0.5)
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self.preview_box_label.setFixedSize(pixmap_width + 2 * frame_width, pixmap_height + 2 * frame_width)
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def validateCurrentPage(self):
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"""
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Validate the current page
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"""
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background_image = BackgroundType.to_string(BackgroundType.Image)
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if self.page(self.currentId()) == self.background_page and \
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self.theme.background_type == background_image and is_not_image_file(self.theme.background_filename):
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QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeWizard', 'Background Image Empty'),
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translate('OpenLP.ThemeWizard', 'You have not selected a '
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'background image. Please select one before continuing.'))
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return False
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else:
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return True
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def on_current_id_changed(self, page_id):
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"""
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Detects Page changes and updates as appropriate.
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"""
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enabled = self.page(page_id) == self.area_position_page
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self.setOption(QtGui.QWizard.HaveCustomButton1, enabled)
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if self.page(page_id) == self.preview_page:
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self.update_theme()
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frame = self.theme_manager.generate_image(self.theme)
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self.preview_box_label.setPixmap(frame)
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self.display_aspect_ratio = float(frame.width()) / frame.height()
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self.resizeEvent()
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def on_custom_1_button_clicked(self, number):
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"""
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Generate layout preview and display the form.
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"""
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self.update_theme()
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width = self.renderer.width
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height = self.renderer.height
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pixmap = QtGui.QPixmap(width, height)
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pixmap.fill(QtCore.Qt.white)
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paint = QtGui.QPainter(pixmap)
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paint.setPen(QtGui.QPen(QtCore.Qt.blue, 2))
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paint.drawRect(self.renderer.get_main_rectangle(self.theme))
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paint.setPen(QtGui.QPen(QtCore.Qt.red, 2))
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paint.drawRect(self.renderer.get_footer_rectangle(self.theme))
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paint.end()
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self.theme_layout_form.exec_(pixmap)
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def on_outline_check_check_box_state_changed(self, state):
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"""
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Change state as Outline check box changed
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"""
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if self.update_theme_allowed:
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self.theme.font_main_outline = state == QtCore.Qt.Checked
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self.outline_color_button.setEnabled(self.theme.font_main_outline)
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self.outline_size_spin_box.setEnabled(self.theme.font_main_outline)
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self.calculate_lines()
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def on_shadow_check_check_box_state_changed(self, state):
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"""
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Change state as Shadow check box changed
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"""
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if self.update_theme_allowed:
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if state == QtCore.Qt.Checked:
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self.theme.font_main_shadow = True
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else:
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self.theme.font_main_shadow = False
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self.shadow_color_button.setEnabled(self.theme.font_main_shadow)
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self.shadow_size_spin_box.setEnabled(self.theme.font_main_shadow)
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self.calculate_lines()
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def on_main_position_check_box_state_changed(self, value):
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"""
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Change state as Main Area _position check box changed
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NOTE the font_main_override is the inverse of the check box value
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"""
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if self.update_theme_allowed:
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self.theme.font_main_override = not (value == QtCore.Qt.Checked)
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def on_footer_position_check_box_state_changed(self, value):
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"""
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Change state as Footer Area _position check box changed
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NOTE the font_footer_override is the inverse of the check box value
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"""
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if self.update_theme_allowed:
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self.theme.font_footer_override = not (value == QtCore.Qt.Checked)
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def exec_(self, edit=False):
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"""
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Run the wizard.
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"""
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log.debug('Editing theme %s' % self.theme.theme_name)
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self.temp_background_filename = ''
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self.update_theme_allowed = False
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self.set_defaults()
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self.update_theme_allowed = True
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self.theme_name_label.setVisible(not edit)
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self.theme_name_edit.setVisible(not edit)
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self.edit_mode = edit
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if edit:
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self.setWindowTitle(translate('OpenLP.ThemeWizard', 'Edit Theme - %s') % self.theme.theme_name)
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self.next()
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else:
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self.setWindowTitle(UiStrings().NewTheme)
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return QtGui.QWizard.exec_(self)
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def initializePage(self, page_id):
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"""
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Set up the pages for Initial run through dialog
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"""
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log.debug('initializePage %s' % page_id)
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wizard_page = self.page(page_id)
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if wizard_page == self.background_page:
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self.set_background_page_values()
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elif wizard_page == self.main_area_page:
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self.set_main_area_page_values()
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elif wizard_page == self.footer_area_page:
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self.set_footer_area_page_values()
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elif wizard_page == self.alignment_page:
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self.set_alignment_page_values()
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elif wizard_page == self.area_position_page:
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self.set_position_page_values()
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def set_background_page_values(self):
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"""
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Handle the display and state of the Background page.
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"""
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if self.theme.background_type == BackgroundType.to_string(BackgroundType.Solid):
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self.color_button.setStyleSheet('background-color: %s' % self.theme.background_color)
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self.setField('background_type', 0)
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elif self.theme.background_type == BackgroundType.to_string(BackgroundType.Gradient):
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self.gradient_start_button.setStyleSheet('background-color: %s' % self.theme.background_start_color)
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self.gradient_end_button.setStyleSheet('background-color: %s' % self.theme.background_end_color)
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self.setField('background_type', 1)
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elif self.theme.background_type == BackgroundType.to_string(BackgroundType.Image):
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self.image_color_button.setStyleSheet('background-color: %s' % self.theme.background_border_color)
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self.image_file_edit.setText(self.theme.background_filename)
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self.setField('background_type', 2)
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elif self.theme.background_type == BackgroundType.to_string(BackgroundType.Transparent):
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self.setField('background_type', 3)
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if self.theme.background_direction == BackgroundGradientType.to_string(BackgroundGradientType.Horizontal):
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self.setField('gradient', 0)
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elif self.theme.background_direction == BackgroundGradientType.to_string(BackgroundGradientType.Vertical):
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self.setField('gradient', 1)
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elif self.theme.background_direction == BackgroundGradientType.to_string(BackgroundGradientType.Circular):
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self.setField('gradient', 2)
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elif self.theme.background_direction == BackgroundGradientType.to_string(BackgroundGradientType.LeftTop):
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self.setField('gradient', 3)
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else:
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self.setField('gradient', 4)
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def set_main_area_page_values(self):
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"""
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Handle the display and state of the Main Area page.
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"""
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self.main_font_combo_box.setCurrentFont(QtGui.QFont(self.theme.font_main_name))
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self.main_color_button.setStyleSheet('background-color: %s' % self.theme.font_main_color)
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self.setField('main_size_spin_box', self.theme.font_main_size)
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self.setField('line_spacing_spin_box', self.theme.font_main_line_adjustment)
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self.setField('outline_check_box', self.theme.font_main_outline)
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self.outline_color_button.setStyleSheet('background-color: %s' % self.theme.font_main_outline_color)
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self.setField('outline_size_spin_box', self.theme.font_main_outline_size)
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self.setField('shadow_check_box', self.theme.font_main_shadow)
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self.shadow_color_button.setStyleSheet('background-color: %s' % self.theme.font_main_shadow_color)
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self.setField('shadow_size_spin_box', self.theme.font_main_shadow_size)
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self.setField('main_bold_check_box', self.theme.font_main_bold)
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self.setField('main_italics_check_box', self.theme.font_main_italics)
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def set_footer_area_page_values(self):
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"""
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Handle the display and state of the Footer Area page.
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"""
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self.footer_font_combo_box.setCurrentFont(QtGui.QFont(self.theme.font_footer_name))
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self.footer_color_button.setStyleSheet('background-color: %s' % self.theme.font_footer_color)
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self.setField('footer_size_spin_box', self.theme.font_footer_size)
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def set_position_page_values(self):
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"""
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Handle the display and state of the _position page.
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"""
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# Main Area
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self.main_position_check_box.setChecked(not self.theme.font_main_override)
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self.setField('main_position_x', self.theme.font_main_x)
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self.setField('main_position_y', self.theme.font_main_y)
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self.setField('main_position_height', self.theme.font_main_height)
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self.setField('main_position_width', self.theme.font_main_width)
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# Footer
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self.footer_position_check_box.setChecked(not self.theme.font_footer_override)
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self.setField('footer_position_x', self.theme.font_footer_x)
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self.setField('footer_position_y', self.theme.font_footer_y)
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self.setField('footer_position_height', self.theme.font_footer_height)
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self.setField('footer_position_width', self.theme.font_footer_width)
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def set_alignment_page_values(self):
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"""
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Handle the display and state of the Alignments page.
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"""
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self.setField('horizontal', self.theme.display_horizontal_align)
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self.setField('vertical', self.theme.display_vertical_align)
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self.setField('slide_transition', self.theme.display_slide_transition)
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def set_preview_page_values(self):
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"""
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Handle the display and state of the Preview page.
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"""
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self.setField('name', self.theme.theme_name)
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def on_background_combo_box_current_index_changed(self, index):
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"""
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Background style Combo box has changed.
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"""
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# do not allow updates when screen is building for the first time.
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if self.update_theme_allowed:
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self.theme.background_type = BackgroundType.to_string(index)
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if self.theme.background_type != BackgroundType.to_string(BackgroundType.Image) and \
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self.temp_background_filename == '':
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self.temp_background_filename = self.theme.background_filename
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self.theme.background_filename = ''
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if self.theme.background_type == BackgroundType.to_string(BackgroundType.Image) and \
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self.temp_background_filename != '':
|
|
self.theme.background_filename = self.temp_background_filename
|
|
self.temp_background_filename = ''
|
|
self.set_background_page_values()
|
|
|
|
def on_gradient_combo_box_current_index_changed(self, index):
|
|
"""
|
|
Background gradient Combo box has changed.
|
|
"""
|
|
if self.update_theme_allowed:
|
|
self.theme.background_direction = BackgroundGradientType.to_string(index)
|
|
self.set_background_page_values()
|
|
|
|
def on_color_button_clicked(self):
|
|
"""
|
|
Background / Gradient 1 _color button pushed.
|
|
"""
|
|
self.theme.background_color = self._color_button(self.theme.background_color)
|
|
self.set_background_page_values()
|
|
|
|
def on_image_color_button_clicked(self):
|
|
"""
|
|
Background / Gradient 1 _color button pushed.
|
|
"""
|
|
self.theme.background_border_color = self._color_button(self.theme.background_border_color)
|
|
self.set_background_page_values()
|
|
|
|
def on_gradient_start_button_clicked(self):
|
|
"""
|
|
Gradient 2 _color button pushed.
|
|
"""
|
|
self.theme.background_start_color = self._color_button(self.theme.background_start_color)
|
|
self.set_background_page_values()
|
|
|
|
def on_gradient_end_button_clicked(self):
|
|
"""
|
|
Gradient 2 _color button pushed.
|
|
"""
|
|
self.theme.background_end_color = self._color_button(self.theme.background_end_color)
|
|
self.set_background_page_values()
|
|
|
|
def on_image_browse_button_clicked(self):
|
|
"""
|
|
Background Image button pushed.
|
|
"""
|
|
images_filter = get_images_filter()
|
|
images_filter = '%s;;%s (*.*)' % (images_filter, UiStrings().AllFiles)
|
|
filename = QtGui.QFileDialog.getOpenFileName(self, translate('OpenLP.ThemeWizard', 'Select Image'), '',
|
|
images_filter)
|
|
if filename:
|
|
self.theme.background_filename = str(filename)
|
|
self.set_background_page_values()
|
|
|
|
def on_image_file_edit_editing_finished(self):
|
|
"""
|
|
Background image path edited
|
|
"""
|
|
self.theme.background_filename = str(self.image_file_edit.text())
|
|
|
|
def on_main_color_button_clicked(self):
|
|
"""
|
|
Set the main colour value
|
|
"""
|
|
self.theme.font_main_color = self._color_button(self.theme.font_main_color)
|
|
self.set_main_area_page_values()
|
|
|
|
def on_outline_color_button_clicked(self):
|
|
"""
|
|
Set the outline colour value
|
|
"""
|
|
self.theme.font_main_outline_color = self._color_button(self.theme.font_main_outline_color)
|
|
self.set_main_area_page_values()
|
|
|
|
def on_shadow_color_button_clicked(self):
|
|
"""
|
|
Set the shadow colour value
|
|
"""
|
|
self.theme.font_main_shadow_color = self._color_button(self.theme.font_main_shadow_color)
|
|
self.set_main_area_page_values()
|
|
|
|
def on_footer_color_button_clicked(self):
|
|
"""
|
|
Set the footer colour value
|
|
"""
|
|
self.theme.font_footer_color = self._color_button(self.theme.font_footer_color)
|
|
self.set_footer_area_page_values()
|
|
|
|
def update_theme(self):
|
|
"""
|
|
Update the theme object from the UI for fields not already updated
|
|
when the are changed.
|
|
"""
|
|
if not self.update_theme_allowed:
|
|
return
|
|
log.debug('update_theme')
|
|
# main page
|
|
self.theme.font_main_name = self.main_font_combo_box.currentFont().family()
|
|
self.theme.font_main_size = self.field('main_size_spin_box')
|
|
self.theme.font_main_line_adjustment = self.field('line_spacing_spin_box')
|
|
self.theme.font_main_outline_size = self.field('outline_size_spin_box')
|
|
self.theme.font_main_shadow_size = self.field('shadow_size_spin_box')
|
|
self.theme.font_main_bold = self.field('main_bold_check_box')
|
|
self.theme.font_main_italics = self.field('main_italics_check_box')
|
|
# footer page
|
|
self.theme.font_footer_name = self.footer_font_combo_box.currentFont().family()
|
|
self.theme.font_footer_size = self.field('footer_size_spin_box')
|
|
# position page
|
|
self.theme.font_main_x = self.field('main_position_x')
|
|
self.theme.font_main_y = self.field('main_position_y')
|
|
self.theme.font_main_height = self.field('main_position_height')
|
|
self.theme.font_main_width = self.field('main_position_width')
|
|
self.theme.font_footer_x = self.field('footer_position_x')
|
|
self.theme.font_footer_y = self.field('footer_position_y')
|
|
self.theme.font_footer_height = self.field('footer_position_height')
|
|
self.theme.font_footer_width = self.field('footer_position_width')
|
|
# position page
|
|
self.theme.display_horizontal_align = self.horizontal_combo_box.currentIndex()
|
|
self.theme.display_vertical_align = self.vertical_combo_box.currentIndex()
|
|
self.theme.display_slide_transition = self.field('slide_transition')
|
|
|
|
def accept(self):
|
|
"""
|
|
Lets save the theme as Finish has been triggered
|
|
"""
|
|
# Save the theme name
|
|
self.theme.theme_name = self.field('name')
|
|
if not self.theme.theme_name:
|
|
critical_error_message_box(
|
|
translate('OpenLP.ThemeWizard', 'Theme Name Missing'),
|
|
translate('OpenLP.ThemeWizard', 'There is no name for this theme. Please enter one.'))
|
|
return
|
|
if self.theme.theme_name == '-1' or self.theme.theme_name == 'None':
|
|
critical_error_message_box(
|
|
translate('OpenLP.ThemeWizard', 'Theme Name Invalid'),
|
|
translate('OpenLP.ThemeWizard', 'Invalid theme name. Please enter one.'))
|
|
return
|
|
save_from = None
|
|
save_to = None
|
|
if self.theme.background_type == BackgroundType.to_string(BackgroundType.Image):
|
|
filename = os.path.split(str(self.theme.background_filename))[1]
|
|
save_to = os.path.join(self.path, self.theme.theme_name, filename)
|
|
save_from = self.theme.background_filename
|
|
if not self.edit_mode and not self.theme_manager.check_if_theme_exists(self.theme.theme_name):
|
|
return
|
|
self.theme_manager.save_theme(self.theme, save_from, save_to)
|
|
return QtGui.QDialog.accept(self)
|
|
|
|
def _color_button(self, field):
|
|
"""
|
|
Handle _color buttons
|
|
"""
|
|
new_color = QtGui.QColorDialog.getColor(QtGui.QColor(field), self)
|
|
if new_color.isValid():
|
|
field = new_color.name()
|
|
return field
|