wizard/BProjectPresets.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of slimqc.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2010 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 # $Id$
  32 #
  33 # Author: Lorenzo Berni <duplo@develer.com>
  34 #
  35
  36 import os
  37
  38 from PyQt4 import uic
  39
  40 from PyQt4.QtCore import *
  41 from PyQt4.QtGui import *
  42
  43 from BWizardPage import BWizardPage
  44
  45 from bertos_utils import _cmp
  46
  47 import const
  48 import qvariant_converter
  49
  50 class BProjectPresetsPage(QWidget):
  51     def __init__(self, preset_data, parent=None):
  52         QWidget.__init__(self, parent)
  53         self.pageContent = uic.loadUi(os.path.join(const.DATA_DIR, const.UI_LOCATION, "preset_page.ui"), None)
  54         self.project = QApplication.instance().project
  55         self.settings = QApplication.instance().settings
  56         self.preset_data = preset_data
  57         layout = QVBoxLayout()
  58         layout.addWidget(self.pageContent)
  59         self.setLayout(layout)
  60         self.setupUi()
  61         self.connectSignals()
  62
  63     def setupUi(self):
  64         self.pageContent.presetList.clear()
  65         self.pageContent.categoryDescription.setText(self.preset_data["info"].get("description", ""))
  66         for preset in sorted(self.preset_data["children"].values(), _cmp):
  67             item_name = preset["info"].get("name", preset["info"]["filename"])
  68             item_icon = os.path.join(preset["info"]["path"], const.PREDEFINED_BOARD_ICON_FILE)
  69             if not os.path.exists(item_icon):
  70                 item_icon = const.PREDEFINED_BOARD_DEFAULT_PROJECT_ICON
  71             item_icon = QIcon(item_icon)
  72             item = QListWidgetItem(item_icon, item_name)
  73             item.setData(Qt.UserRole, qvariant_converter.convertString(preset["info"]["path"]))
  74             self.pageContent.presetList.addItem(item)
  75         self.pageContent.presetList.setCurrentRow(0)
  76         self.updateUi()
  77
  78     def connectSignals(self):
  79         self.connect(self.pageContent.presetList, SIGNAL("itemSelectionChanged()"), self.updateUi)
  80         self.connect(self.pageContent.presetList, SIGNAL("itemSelectionChanged()"), self, SIGNAL("completeChanged()"))
  81
  82     def updateUi(self):
  83         if self.selected:
  84             preset_path = qvariant_converter.getString(self.selected.data(Qt.UserRole))
  85             preset = self.preset_data["children"][preset_path]
  86             self.pageContent.descriptionLabel.setText(preset["info"].get("description", ""))
  87             image = os.path.join(preset["info"]["path"], const.PREDEFINED_BOARD_IMAGE_FILE)
  88             if os.path.exists(image):
  89                 self.pageContent.imageLabel.setPixmap(QPixmap(image))
  90                 self.pageContent.imageLabel.setVisible(True)
  91             else:
  92                 self.pageContent.imageLabel.setVisible(False)
  93
  94     @property
  95     def selected(self):
  96         return self.pageContent.presetList.currentItem()
  97
  98
  99 class BProjectPresets(BWizardPage):
 100     def __init__(self):
 101         BWizardPage.__init__(self, const.UI_LOCATION + "/project_presets.ui")
 102
 103     ## Overloaded QWizardPage methods ##
 104
 105     def isComplete(self):
 106         current_widget = self.pageContent.boardTabWidget.currentWidget()
 107         preset_path = None
 108         if current_widget:
 109             current_item = current_widget.pageContent.presetList.currentItem()
 110             if current_item:
 111                 preset_path = current_item.data(Qt.UserRole)
 112                 preset_path = qvariant_converter.getString(preset_path)
 113         if preset_path:
 114             self.setProjectInfo("PROJECT_PRESET", preset_path)
 115             return True
 116         else:
 117             self.setProjectInfo("PROJECT_PRESET", None)
 118             return False
 119     ####
 120
 121     ## Overloaded BWizardPage methods ##
 122
 123     def reloadData(self):
 124         preset_path = self.projectInfo("PROJECT_BOARD")
 125         preset_tree = self.projectInfo("PRESET_TREE")
 126         preset_list = preset_tree["children"][preset_path]["children"]
 127         preset_list = sorted(preset_list.values(), _cmp)
 128         self.setTitle(self.tr("Select the template/demo for %1").arg(preset_tree["children"][preset_path]["info"].get("name", preset_tree["children"][preset_path]["info"]["filename"])))
 129         self.setupTabs(preset_list)
 130
 131     def connectSignals(self):
 132         self.connect(self.pageContent.boardTabWidget, SIGNAL("currentChanged(int)"), self, SIGNAL("completeChanged()"))
 133
 134     ####
 135
 136     ## Slots ##
 137     ####
 138
 139     def setupTabs(self, preset_list):
 140         self.pageContent.boardTabWidget.clear()
 141         for preset in preset_list:
 142             icon = os.path.join(preset["info"]["path"], ".icon.png")
 143             preset_page = BProjectPresetsPage(preset)
 144             if os.path.exists(icon):
 145                 self.pageContent.boardTabWidget.addTab(preset_page, QIcon(icon), preset["info"].get("name", preset["info"]["filename"]))
 146             else:
 147                 self.pageContent.boardTabWidget.addTab(preset_page, preset["info"].get("name", preset["info"]["filename"]))
 148             self.connect(preset_page, SIGNAL("completeChanged()"), self, SIGNAL("completeChanged()"))