import sys
import os
import math
-import pickle
import logging
from PyQt4 import QtGui
from PyQt4 import QtCore
import constants
+from util import misc as misc_utils
import unit_data
try:
class CategoryWindow(object):
def __init__(self, parent, appIconPath):
+ self._appIconPath = appIconPath
+ self._unitWindows = []
+
self._categories = QtGui.QTreeWidget()
+ self._categories.setHeaderLabels(["Categories"])
+ self._categories.itemClicked.connect(self._on_category_clicked)
+ for catName in unit_data.UNIT_CATEGORIES:
+ twi = QtGui.QTreeWidgetItem(self._categories)
+ twi.setText(0, catName)
self._layout = QtGui.QVBoxLayout()
self._layout.addWidget(self._categories)
centralWidget = QtGui.QWidget()
centralWidget.setLayout(self._layout)
- self._window = QtGui.QMainWindow()
+ self._window = QtGui.QMainWindow(parent)
+ if parent is not None:
+ self._window.setWindowModality(QtCore.Qt.WindowModal)
self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__)
self._window.setWindowIcon(QtGui.QIcon(appIconPath))
self._window.setCentralWidget(centralWidget)
self._window.show()
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_category_clicked(self, item, columnIndex):
+ categoryName = unicode(item.text(0))
+ unitWindow = UnitWindow(self._window, categoryName, self._appIconPath)
+ self._unitWindows = [unitWindow]
+
+
+class UnitData(object):
+
+ HEADERS = ["Name", "Value", "", "Unit"]
+ ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft]
+
+ def __init__(self, name, unit, description, conversion):
+ self._name = name
+ self._unit = unit
+ self._description = description
+ self._conversion = conversion
+
+ self._value = 0.0
+ self._integerDisplay, self._fractionalDisplay = split_number(self._value)
+
+ @property
+ def name(self):
+ return self._name
+
+ @property
+ def value(self):
+ return self._value
+
+ def update_value(self, newValue):
+ self._value = newValue
+ self._integerDisplay, self._fractionalDisplay = split_number(newValue)
+
+ @property
+ def unit(self):
+ return self._unit
+
+ @property
+ def conversion(self):
+ return self._conversion
+
+ def data(self, column):
+ try:
+ return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column]
+ except IndexError:
+ return None
+
+
+class UnitModel(QtCore.QAbstractItemModel):
+
+ def __init__(self, categoryName, parent=None):
+ super(UnitModel, self).__init__(parent)
+ self._categoryName = categoryName
+ self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
+
+ self._children = []
+ for key in unit_data.get_units(self._categoryName):
+ conversion, unit, description = self._unitData[key]
+ self._children.append(UnitData(key, unit, description, conversion))
+
+ @misc_utils.log_exception(_moduleLogger)
+ def columnCount(self, parent):
+ if parent.isValid():
+ return 0
+ else:
+ return len(UnitData.HEADERS)
+
+ @misc_utils.log_exception(_moduleLogger)
+ def data(self, index, role):
+ if not index.isValid():
+ return None
+ elif role == QtCore.Qt.TextAlignmentRole:
+ return UnitData.ALIGNMENT[index.column()]
+ elif role != QtCore.Qt.DisplayRole:
+ return None
+
+ item = index.internalPointer()
+ if isinstance(item, UnitData):
+ return item.data(index.column())
+ elif item is UnitData.HEADERS:
+ return item[index.column()]
+
+ @misc_utils.log_exception(_moduleLogger)
+ def flags(self, index):
+ if not index.isValid():
+ return QtCore.Qt.NoItemFlags
+
+ return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
+
+ @misc_utils.log_exception(_moduleLogger)
+ def headerData(self, section, orientation, role):
+ if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
+ return UnitData.HEADERS[section]
+
+ return None
+
+ @misc_utils.log_exception(_moduleLogger)
+ def index(self, row, column, parent):
+ if not self.hasIndex(row, column, parent):
+ return QtCore.QModelIndex()
+
+ if parent.isValid():
+ return QtCore.QModelIndex()
+
+ parentItem = UnitData.HEADERS
+ childItem = self._children[row]
+ if childItem:
+ return self.createIndex(row, column, childItem)
+ else:
+ return QtCore.QModelIndex()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def parent(self, index):
+ if not index.isValid():
+ return QtCore.QModelIndex()
+
+ childItem = index.internalPointer()
+ if isinstance(childItem, UnitData):
+ return QtCore.QModelIndex()
+ elif childItem is UnitData.HEADERS:
+ return None
+
+ @misc_utils.log_exception(_moduleLogger)
+ def rowCount(self, parent):
+ if 0 < parent.column():
+ return 0
+
+ if not parent.isValid():
+ return len(self._children)
+ else:
+ return len(self._children)
+
+ def get_unit(self, index):
+ return self._children[index]
+
+ def update_values(self, fromIndex, userInput):
+ value = self._sanitize_value(userInput)
+ func, arg = self._children[fromIndex].conversion
+ base = func.to_base(value, arg)
+ for i, child in enumerate(self._children):
+ if i == fromIndex:
+ continue
+ func, arg = child.conversion
+ newValue = func.from_base(base, arg)
+ child.update_value(newValue)
+
+ topLeft = self.createIndex(0, 1, self._children[0])
+ bottomRight = self.createIndex(len(self._children)-1, 2, self._children[-1])
+ self.dataChanged.emit(topLeft, bottomRight)
+
+ def _sanitize_value(self, userEntry):
+ if self._categoryName == "Computer Numbers":
+ if userEntry == '':
+ value = '0'
+ else:
+ value = userEntry
+ else:
+ if userEntry == '':
+ value = 0.0
+ else:
+ value = float(userEntry)
+ return value
+
class UnitWindow(object):
def __init__(self, parent, category, appIconPath):
+ self._categoryName = category
+ self._selectedIndex = 0
+
self._selectedUnitName = QtGui.QLabel()
self._selectedUnitValue = QtGui.QLineEdit()
+ self._selectedUnitValue.textEdited.connect(self._on_value_edited)
+ self._selectedUnitValue.editingFinished.connect(self._on_value_edited)
self._selectedUnitSymbol = QtGui.QLabel()
self._selectedUnitLayout = QtGui.QHBoxLayout()
self._selectedUnitLayout.addWidget(self._selectedUnitValue)
self._selectedUnitLayout.addWidget(self._selectedUnitSymbol)
- self._units = QtGui.QTreeWidget()
+ self._unitsModel = UnitModel(self._categoryName)
+ self._unitsView = QtGui.QTreeView()
+ self._unitsView.setModel(self._unitsModel)
+ self._unitsView.clicked.connect(self._on_unit_clicked)
+ self._unitsView.setUniformRowHeights(True)
self._searchButton = QtGui.QPushButton()
self._searchEntry = QtGui.QLineEdit()
self._layout = QtGui.QVBoxLayout()
self._layout.addLayout(self._selectedUnitLayout)
- self._layout.addWidget(self._units)
+ self._layout.addWidget(self._unitsView)
self._layout.addLayout(self._searchLayout)
centralWidget = QtGui.QWidget()
centralWidget.setLayout(self._layout)
- self._window = QtGui.QMainWindow()
+ self._window = QtGui.QMainWindow(parent)
+ if parent is not None:
+ self._window.setWindowModality(QtCore.Qt.WindowModal)
self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category))
self._window.setWindowIcon(QtGui.QIcon(appIconPath))
self._window.setCentralWidget(centralWidget)
+ self._select_unit(0)
+
self._window.show()
self._hide_search()
self._searchEntry.hide()
self._searchCloseButton.hide()
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_unit_clicked(self, index):
+ self._select_unit(index.row())
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_value_edited(self, *args):
+ userInput = self._selectedUnitValue.text()
+ self._unitsModel.update_values(self._selectedIndex, str(userInput))
+
+ def _select_unit(self, index):
+ unit = self._unitsModel.get_unit(index)
+ self._selectedUnitName.setText(unit.name)
+ self._selectedUnitValue.setText(str(unit.value))
+ self._selectedUnitSymbol.setText(unit.unit)
+
+ self._selectedIndex = index
+ qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index))
+ self._unitsView.scrollTo(qindex)
+
def run_gonvert():
app = QtGui.QApplication([])