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 BCreationPage import BCreationPage
  46 from BToolchainPage import BToolchainPage
  47
  48 from DefineException import ModuleDefineException
  49
  50 from bertos_utils import _cmp
  51 from toolchain_manager import ToolchainManager
  52
  53 import const
  54 import qvariant_converter
  55
  56 class BProjectPresetsPage(QWidget):
  57     def __init__(self, preset_data, parent=None):
  58         QWidget.__init__(self, parent)
  59         self.pageContent = uic.loadUi(os.path.join(const.DATA_DIR, const.UI_LOCATION, "preset_page.ui"), None)
  60         self.project = QApplication.instance().project
  61         self.settings = QApplication.instance().settings
  62         self.preset_data = preset_data
  63         layout = QVBoxLayout()
  64         layout.addWidget(self.pageContent)
  65         self.setLayout(layout)
  66         self.setupUi()
  67         self.connectSignals()
  68
  69     def setupUi(self):
  70         self.pageContent.presetList.clear()
  71         self.pageContent.categoryDescription.setText(self.preset_data["info"].get("description", ""))
  72         for preset in sorted(self.preset_data["children"].values(), _cmp):
  73             item_name = preset["info"].get("name", preset["info"]["filename"])
  74             item_icon = os.path.join(preset["info"]["path"], const.PREDEFINED_BOARD_ICON_FILE)
  75             if not os.path.exists(item_icon):
  76                 item_icon = const.PREDEFINED_BOARD_DEFAULT_PROJECT_ICON
  77             item_icon = QIcon(item_icon)
  78             item = QListWidgetItem(item_icon, item_name)
  79             item.setData(Qt.UserRole, qvariant_converter.convertString(preset["info"]["path"]))
  80             self.pageContent.presetList.addItem(item)
  81         self.pageContent.presetList.setCurrentRow(0)
  82         self.updateUi()
  83
  84     def connectSignals(self):
  85         self.connect(self.pageContent.presetList, SIGNAL("currentItemChanged(QListWidgetItem *, QListWidgetItem*)"), self.updateUi)
  86         self.connect(self.pageContent.presetList, SIGNAL("currentItemChanged(QListWidgetItem *, QListWidgetItem*)"), self, SIGNAL("completeChanged()"))
  87
  88     def updateUi(self):
  89         if self.selected:
  90             preset_path = qvariant_converter.getString(self.selected.data(Qt.UserRole))
  91             preset = self.preset_data["children"][preset_path]
  92             description = preset["info"].get("description", "")
  93             path = unicode(QUrl.fromLocalFile(preset_path).toString())
  94             description = description.replace("$path", path)
  95             self.pageContent.descriptionArea.setHtml(description)
  96
  97     @property
  98     def selected(self):
  99         return self.pageContent.presetList.currentItem()
 100
 101
 102 class BProjectPresets(BWizardPage):
 103     def __init__(self):
 104         BWizardPage.__init__(self, const.UI_LOCATION + "/project_presets.ui")
 105
 106     ## Overloaded QWizardPage methods ##
 107
 108     def isComplete(self):
 109         preset_path = self.selected_path
 110         if preset_path:
 111             self.setProjectInfo("PROJECT_PRESET", preset_path)
 112             self.setProjectInfo("BASE_MODE", not self.advanced)
 113             return True
 114         else:
 115             self.setProjectInfo("PROJECT_PRESET", None)
 116             return False
 117
 118     def validatePage(self):
 119         """
 120         This hack permits to load the preset once, when the user go press the
 121         Next button.
 122         """
 123         preset_path = self.selected_path
 124         try:
 125             QApplication.instance().setOverrideCursor(Qt.WaitCursor)
 126             try:
 127                 self.project.loadProjectFromPreset(preset_path)
 128             except ModuleDefineException, e:
 129                 self.exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
 130             self.setProjectInfo("PRESET_LOADED", True)
 131         finally:
 132             QApplication.instance().restoreOverrideCursor()
 133         # Return always True, this is a fake validation.
 134         return True
 135
 136     def nextId(self):
 137         """
 138         Overload of the QWizardPage nextId method.
 139         """
 140         # Route to Toolchain page if the user select advanced
 141         # or to Output page if the user select base
 142         if self.advanced:
 143             return self.wizard().pageIndex(BToolchainPage)
 144         else:
 145             cpu_info = self.projectInfo("CPU_INFOS")
 146             if cpu_info:
 147                 target = cpu_info["TOOLCHAIN"]
 148                 # Try to find a suitable toolchain automatically
 149                 tm = ToolchainManager()
 150                 suitable_toolchains = tm.suitableToolchains(target)
 151                 if len(suitable_toolchains) == 1:
 152                     toolchain = suitable_toolchains.pop()
 153                     toolchain_info = tm._validateToolchain(toolchain)
 154                     toolchain_info["path"] = toolchain
 155                     self.setProjectInfo("TOOLCHAIN", toolchain_info)
 156                     return self.wizard().pageIndex(BCreationPage)
 157                 else:
 158                     return self.wizard().pageIndex(BToolchainPage)
 159             else:
 160                 # It seems that the nextId method is called before the
 161                 # reloadData one (that is called after the page changing.
 162                 #
 163                 # TODO: fix this awful code lines
 164                 target = None
 165                 return self.wizard().pageIndex(BToolchainPage)
 166
 167     ####
 168
 169     ## Overloaded BWizardPage methods ##
 170
 171     def reloadData(self, previous_id=None):
 172         if not self.projectInfo("PRESET_LOADED"):
 173             preset_path = self.projectInfo("PROJECT_BOARD")
 174             preset_tree = self.projectInfo("PRESET_TREE")
 175             preset_list = preset_tree["children"][preset_path]["children"]
 176             preset_list = sorted(preset_list.values(), _cmp)
 177             self.setTitle(self.tr("Select the project template for %1").arg(preset_tree["children"][preset_path]["info"].get("name", preset_tree["children"][preset_path]["info"]["filename"])))
 178             self.setupTabs(preset_list)
 179
 180     def connectSignals(self):
 181         self.connect(self.pageContent.boardTabWidget, SIGNAL("currentChanged(int)"), self, SIGNAL("completeChanged()"))
 182
 183     ####
 184
 185     ## Slots ##
 186     ####
 187
 188     def setupTabs(self, preset_list):
 189         self.pageContent.boardTabWidget.clear()
 190         for preset in preset_list:
 191             icon = os.path.join(preset["info"]["path"], ".icon.png")
 192             preset_page = BProjectPresetsPage(preset)
 193             if os.path.exists(icon):
 194                 self.pageContent.boardTabWidget.addTab(preset_page, QIcon(icon), preset["info"].get("name", preset["info"]["filename"]))
 195             else:
 196                 self.pageContent.boardTabWidget.addTab(preset_page, preset["info"].get("name", preset["info"]["filename"]))
 197             self.connect(preset_page, SIGNAL("completeChanged()"), self, SIGNAL("completeChanged()"))
 198
 199     @property
 200     def advanced(self):
 201         if self.selected_data:
 202             return self.selected_data["info"].get("advanced", False)
 203         else:
 204             return None
 205
 206     @property
 207     def selected_path(self):
 208         current_widget = self.pageContent.boardTabWidget.currentWidget()
 209         preset_path = None
 210         if current_widget:
 211             current_item = current_widget.pageContent.presetList.currentItem()
 212             if current_item:
 213                 preset_path = current_item.data(Qt.UserRole)
 214                 preset_path = qvariant_converter.getString(preset_path)
 215         return preset_path
 216
 217     @property
 218     def selected_data(self):
 219         if self.selected_path:
 220             current_widget = self.pageContent.boardTabWidget.currentWidget()
 221             return current_widget.preset_data["children"][self.selected_path]
 222         else:
 223             return None