[f721030] | 1 | # global |
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| 2 | import sys |
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| 3 | import os |
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[e540cd2] | 4 | import time |
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[f721030] | 5 | import logging |
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| 6 | |
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| 7 | from PyQt4 import QtCore |
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| 8 | from PyQt4 import QtGui |
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| 9 | from PyQt4 import QtWebKit |
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[481ff26] | 10 | from PyQt4.Qt import QMutex |
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| 11 | |
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[f721030] | 12 | from twisted.internet import threads |
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| 13 | |
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| 14 | # SAS |
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| 15 | from sas.sascalc.dataloader.loader import Loader |
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| 16 | from sas.sasgui.guiframe.data_manager import DataManager |
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[e540cd2] | 17 | from sas.sasgui.guiframe.dataFitting import Data1D |
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| 18 | from sas.sasgui.guiframe.dataFitting import Data2D |
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[f721030] | 19 | |
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[31c5b58] | 20 | import sas.qtgui.GuiUtils as GuiUtils |
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| 21 | import sas.qtgui.PlotHelper as PlotHelper |
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| 22 | from sas.qtgui.Plotter import Plotter |
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| 23 | from sas.qtgui.Plotter2D import Plotter2D |
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| 24 | from sas.qtgui.DroppableDataLoadWidget import DroppableDataLoadWidget |
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[f721030] | 25 | |
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[a281ab8] | 26 | # This is how to get data1/2D from the model item |
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| 27 | # data = [selected_items[0].child(0).data().toPyObject()] |
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| 28 | |
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[f82ab8c] | 29 | class DataExplorerWindow(DroppableDataLoadWidget): |
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[f721030] | 30 | # The controller which is responsible for managing signal slots connections |
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| 31 | # for the gui and providing an interface to the data model. |
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| 32 | |
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[630155bd] | 33 | def __init__(self, parent=None, guimanager=None, manager=None): |
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[f82ab8c] | 34 | super(DataExplorerWindow, self).__init__(parent, guimanager) |
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[f721030] | 35 | |
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| 36 | # Main model for keeping loaded data |
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| 37 | self.model = QtGui.QStandardItemModel(self) |
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[f82ab8c] | 38 | |
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| 39 | # Secondary model for keeping frozen data sets |
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| 40 | self.theory_model = QtGui.QStandardItemModel(self) |
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[f721030] | 41 | |
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| 42 | # GuiManager is the actual parent, but we needed to also pass the QMainWindow |
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| 43 | # in order to set the widget parentage properly. |
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| 44 | self.parent = guimanager |
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| 45 | self.loader = Loader() |
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[630155bd] | 46 | self.manager = manager if manager is not None else DataManager() |
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[4b71e91] | 47 | self.txt_widget = QtGui.QTextEdit(None) |
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| 48 | # self.txt_widget = GuiUtils.DisplayWindow() |
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| 49 | |
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[f721030] | 50 | |
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[481ff26] | 51 | # Be careful with twisted threads. |
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| 52 | self.mutex = QMutex() |
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| 53 | |
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[8cb6cd6] | 54 | # Active plots |
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| 55 | self.active_plots = [] |
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| 56 | |
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[f721030] | 57 | # Connect the buttons |
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| 58 | self.cmdLoad.clicked.connect(self.loadFile) |
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[f82ab8c] | 59 | self.cmdDeleteData.clicked.connect(self.deleteFile) |
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| 60 | self.cmdDeleteTheory.clicked.connect(self.deleteTheory) |
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| 61 | self.cmdFreeze.clicked.connect(self.freezeTheory) |
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[f721030] | 62 | self.cmdSendTo.clicked.connect(self.sendData) |
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[1042dba] | 63 | self.cmdNew.clicked.connect(self.newPlot) |
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[8cb6cd6] | 64 | self.cmdAppend.clicked.connect(self.appendPlot) |
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[481ff26] | 65 | self.cmdHelp.clicked.connect(self.displayHelp) |
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| 66 | self.cmdHelp_2.clicked.connect(self.displayHelp) |
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| 67 | |
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| 68 | # Display HTML content |
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| 69 | self._helpView = QtWebKit.QWebView() |
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[f721030] | 70 | |
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[e540cd2] | 71 | # Custom context menu |
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| 72 | self.treeView.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) |
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| 73 | self.treeView.customContextMenuRequested.connect(self.onCustomContextMenu) |
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[4b71e91] | 74 | self.contextMenu() |
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[e540cd2] | 75 | |
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[488c49d] | 76 | # Connect the comboboxes |
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| 77 | self.cbSelect.currentIndexChanged.connect(self.selectData) |
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| 78 | |
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[f82ab8c] | 79 | #self.closeEvent.connect(self.closeEvent) |
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| 80 | # self.aboutToQuit.connect(self.closeEvent) |
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[e540cd2] | 81 | self.communicator = self.parent.communicator() |
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[f82ab8c] | 82 | self.communicator.fileReadSignal.connect(self.loadFromURL) |
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[8cb6cd6] | 83 | self.communicator.activeGraphsSignal.connect(self.updateGraphCombo) |
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| 84 | self.cbgraph.editTextChanged.connect(self.enableGraphCombo) |
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| 85 | self.cbgraph.currentIndexChanged.connect(self.enableGraphCombo) |
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[f721030] | 86 | |
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| 87 | # Proxy model for showing a subset of Data1D/Data2D content |
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[481ff26] | 88 | self.data_proxy = QtGui.QSortFilterProxyModel(self) |
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| 89 | self.data_proxy.setSourceModel(self.model) |
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| 90 | |
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| 91 | # Don't show "empty" rows with data objects |
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| 92 | self.data_proxy.setFilterRegExp(r"[^()]") |
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[f721030] | 93 | |
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| 94 | # The Data viewer is QTreeView showing the proxy model |
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[481ff26] | 95 | self.treeView.setModel(self.data_proxy) |
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| 96 | |
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| 97 | # Proxy model for showing a subset of Theory content |
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| 98 | self.theory_proxy = QtGui.QSortFilterProxyModel(self) |
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| 99 | self.theory_proxy.setSourceModel(self.theory_model) |
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| 100 | |
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| 101 | # Don't show "empty" rows with data objects |
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| 102 | self.theory_proxy.setFilterRegExp(r"[^()]") |
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[f721030] | 103 | |
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[f82ab8c] | 104 | # Theory model view |
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[481ff26] | 105 | self.freezeView.setModel(self.theory_proxy) |
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[f82ab8c] | 106 | |
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[8cb6cd6] | 107 | self.enableGraphCombo(None) |
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| 108 | |
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[f82ab8c] | 109 | def closeEvent(self, event): |
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| 110 | """ |
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| 111 | Overwrite the close event - no close! |
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| 112 | """ |
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| 113 | event.ignore() |
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[1042dba] | 114 | |
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[481ff26] | 115 | def displayHelp(self): |
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| 116 | """ |
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| 117 | Show the "Loading data" section of help |
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| 118 | """ |
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[31c5b58] | 119 | tree_location = self.parent.HELP_DIRECTORY_LOCATION +\ |
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| 120 | "/user/sasgui/guiframe/data_explorer_help.html" |
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| 121 | self._helpView.load(QtCore.QUrl(tree_location)) |
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[481ff26] | 122 | self._helpView.show() |
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| 123 | |
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[8cb6cd6] | 124 | def enableGraphCombo(self, combo_text): |
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| 125 | """ |
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| 126 | Enables/disables "Assign Plot" elements |
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| 127 | """ |
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| 128 | self.cbgraph.setEnabled(len(PlotHelper.currentPlots()) > 0) |
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| 129 | self.cmdAppend.setEnabled(len(PlotHelper.currentPlots()) > 0) |
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| 130 | |
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[f82ab8c] | 131 | def loadFromURL(self, url): |
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| 132 | """ |
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| 133 | Threaded file load |
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| 134 | """ |
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| 135 | load_thread = threads.deferToThread(self.readData, url) |
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| 136 | load_thread.addCallback(self.loadComplete) |
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[5032ea68] | 137 | |
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| 138 | def loadFile(self, event=None): |
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[f721030] | 139 | """ |
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| 140 | Called when the "Load" button pressed. |
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[481ff26] | 141 | Opens the Qt "Open File..." dialog |
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[f721030] | 142 | """ |
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| 143 | path_str = self.chooseFiles() |
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| 144 | if not path_str: |
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| 145 | return |
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[f82ab8c] | 146 | self.loadFromURL(path_str) |
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[f721030] | 147 | |
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[5032ea68] | 148 | def loadFolder(self, event=None): |
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[f721030] | 149 | """ |
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[5032ea68] | 150 | Called when the "File/Load Folder" menu item chosen. |
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[481ff26] | 151 | Opens the Qt "Open Folder..." dialog |
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[f721030] | 152 | """ |
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[481ff26] | 153 | folder = QtGui.QFileDialog.getExistingDirectory(self, "Choose a directory", "", |
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[9e426c1] | 154 | QtGui.QFileDialog.ShowDirsOnly | QtGui.QFileDialog.DontUseNativeDialog) |
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[481ff26] | 155 | if folder is None: |
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[5032ea68] | 156 | return |
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| 157 | |
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[481ff26] | 158 | folder = str(folder) |
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[f721030] | 159 | |
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[481ff26] | 160 | if not os.path.isdir(folder): |
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[5032ea68] | 161 | return |
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[f721030] | 162 | |
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[5032ea68] | 163 | # get content of dir into a list |
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[481ff26] | 164 | path_str = [os.path.join(os.path.abspath(folder), filename) |
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[e540cd2] | 165 | for filename in os.listdir(folder)] |
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[f721030] | 166 | |
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[f82ab8c] | 167 | self.loadFromURL(path_str) |
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[5032ea68] | 168 | |
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[630155bd] | 169 | def loadProject(self): |
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| 170 | """ |
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| 171 | Called when the "Open Project" menu item chosen. |
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| 172 | """ |
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| 173 | kwargs = { |
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| 174 | 'parent' : self, |
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| 175 | 'caption' : 'Open Project', |
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| 176 | 'filter' : 'Project (*.json);;All files (*.*)', |
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| 177 | 'options' : QtGui.QFileDialog.DontUseNativeDialog |
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| 178 | } |
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| 179 | filename = str(QtGui.QFileDialog.getOpenFileName(**kwargs)) |
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| 180 | if filename: |
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| 181 | load_thread = threads.deferToThread(self.readProject, filename) |
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| 182 | load_thread.addCallback(self.readProjectComplete) |
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| 183 | |
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| 184 | def readProject(self, filename): |
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| 185 | self.communicator.statusBarUpdateSignal.emit("Loading Project... %s" % os.path.basename(filename)) |
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| 186 | try: |
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| 187 | manager = DataManager() |
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| 188 | with open(filename, 'r') as infile: |
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| 189 | manager.load_from_readable(infile) |
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| 190 | |
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| 191 | self.communicator.statusBarUpdateSignal.emit("Loaded Project: %s" % os.path.basename(filename)) |
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| 192 | return manager |
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| 193 | |
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| 194 | except: |
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| 195 | self.communicator.statusBarUpdateSignal.emit("Failed: %s" % os.path.basename(filename)) |
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| 196 | raise |
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| 197 | |
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| 198 | def readProjectComplete(self, manager): |
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| 199 | self.model.clear() |
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| 200 | |
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| 201 | self.manager.assign(manager) |
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| 202 | for id, item in self.manager.get_all_data().iteritems(): |
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| 203 | self.updateModel(item.data, item.path) |
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| 204 | |
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| 205 | self.model.reset() |
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| 206 | |
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| 207 | def saveProject(self): |
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| 208 | """ |
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| 209 | Called when the "Save Project" menu item chosen. |
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| 210 | """ |
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| 211 | kwargs = { |
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| 212 | 'parent' : self, |
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| 213 | 'caption' : 'Save Project', |
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| 214 | 'filter' : 'Project (*.json)', |
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| 215 | 'options' : QtGui.QFileDialog.DontUseNativeDialog |
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| 216 | } |
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| 217 | filename = str(QtGui.QFileDialog.getSaveFileName(**kwargs)) |
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| 218 | if filename: |
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| 219 | self.communicator.statusBarUpdateSignal.emit("Saving Project... %s\n" % os.path.basename(filename)) |
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| 220 | with open(filename, 'w') as outfile: |
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| 221 | self.manager.save_to_writable(outfile) |
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| 222 | |
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[5032ea68] | 223 | def deleteFile(self, event): |
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| 224 | """ |
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| 225 | Delete selected rows from the model |
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| 226 | """ |
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| 227 | # Assure this is indeed wanted |
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| 228 | delete_msg = "This operation will delete the checked data sets and all the dependents." +\ |
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| 229 | "\nDo you want to continue?" |
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[e540cd2] | 230 | reply = QtGui.QMessageBox.question(self, |
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| 231 | 'Warning', |
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| 232 | delete_msg, |
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| 233 | QtGui.QMessageBox.Yes, |
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| 234 | QtGui.QMessageBox.No) |
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[5032ea68] | 235 | |
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| 236 | if reply == QtGui.QMessageBox.No: |
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| 237 | return |
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| 238 | |
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| 239 | # Figure out which rows are checked |
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| 240 | ind = -1 |
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| 241 | # Use 'while' so the row count is forced at every iteration |
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| 242 | while ind < self.model.rowCount(): |
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| 243 | ind += 1 |
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| 244 | item = self.model.item(ind) |
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| 245 | if item and item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
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| 246 | # Delete these rows from the model |
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| 247 | self.model.removeRow(ind) |
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| 248 | # Decrement index since we just deleted it |
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| 249 | ind -= 1 |
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| 250 | |
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| 251 | # pass temporarily kept as a breakpoint anchor |
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[f721030] | 252 | pass |
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| 253 | |
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[f82ab8c] | 254 | def deleteTheory(self, event): |
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| 255 | """ |
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| 256 | Delete selected rows from the theory model |
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| 257 | """ |
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| 258 | # Assure this is indeed wanted |
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| 259 | delete_msg = "This operation will delete the checked data sets and all the dependents." +\ |
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| 260 | "\nDo you want to continue?" |
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[8cb6cd6] | 261 | reply = QtGui.QMessageBox.question(self, |
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| 262 | 'Warning', |
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| 263 | delete_msg, |
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| 264 | QtGui.QMessageBox.Yes, |
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| 265 | QtGui.QMessageBox.No) |
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[f82ab8c] | 266 | |
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| 267 | if reply == QtGui.QMessageBox.No: |
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| 268 | return |
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| 269 | |
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| 270 | # Figure out which rows are checked |
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| 271 | ind = -1 |
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| 272 | # Use 'while' so the row count is forced at every iteration |
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| 273 | while ind < self.theory_model.rowCount(): |
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| 274 | ind += 1 |
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| 275 | item = self.theory_model.item(ind) |
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| 276 | if item and item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
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| 277 | # Delete these rows from the model |
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| 278 | self.theory_model.removeRow(ind) |
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| 279 | # Decrement index since we just deleted it |
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| 280 | ind -= 1 |
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| 281 | |
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| 282 | # pass temporarily kept as a breakpoint anchor |
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| 283 | pass |
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| 284 | |
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[f721030] | 285 | def sendData(self, event): |
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| 286 | """ |
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[5032ea68] | 287 | Send selected item data to the current perspective and set the relevant notifiers |
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[f721030] | 288 | """ |
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[5032ea68] | 289 | # should this reside on GuiManager or here? |
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| 290 | self._perspective = self.parent.perspective() |
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[f721030] | 291 | |
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[5032ea68] | 292 | # Set the signal handlers |
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| 293 | self.communicator.updateModelFromPerspectiveSignal.connect(self.updateModelFromPerspective) |
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[f721030] | 294 | |
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[adf81b8] | 295 | def isItemReady(index): |
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[5032ea68] | 296 | item = self.model.item(index) |
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[adf81b8] | 297 | return item.isCheckable() and item.checkState() == QtCore.Qt.Checked |
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| 298 | |
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| 299 | # Figure out which rows are checked |
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| 300 | selected_items = [self.model.item(index) |
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| 301 | for index in xrange(self.model.rowCount()) |
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| 302 | if isItemReady(index)] |
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[f721030] | 303 | |
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[f82ab8c] | 304 | if len(selected_items) < 1: |
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| 305 | return |
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| 306 | |
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[f721030] | 307 | # Which perspective has been selected? |
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[5032ea68] | 308 | if len(selected_items) > 1 and not self._perspective.allowBatch(): |
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| 309 | msg = self._perspective.title() + " does not allow multiple data." |
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| 310 | msgbox = QtGui.QMessageBox() |
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| 311 | msgbox.setIcon(QtGui.QMessageBox.Critical) |
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| 312 | msgbox.setText(msg) |
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| 313 | msgbox.setStandardButtons(QtGui.QMessageBox.Ok) |
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| 314 | retval = msgbox.exec_() |
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| 315 | return |
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[a281ab8] | 316 | |
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[f721030] | 317 | # Notify the GuiManager about the send request |
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[469b4622] | 318 | self._perspective.setData(data_item=selected_items) |
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[5032ea68] | 319 | |
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[f82ab8c] | 320 | def freezeTheory(self, event): |
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| 321 | """ |
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| 322 | Freeze selected theory rows. |
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| 323 | |
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[ca8b853] | 324 | "Freezing" means taking the plottable data from the Theory item |
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| 325 | and copying it to a separate top-level item in Data. |
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[f82ab8c] | 326 | """ |
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[ca8b853] | 327 | # Figure out which rows are checked |
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[f82ab8c] | 328 | # Use 'while' so the row count is forced at every iteration |
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| 329 | outer_index = -1 |
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[481ff26] | 330 | theories_copied = 0 |
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[ca8b853] | 331 | while outer_index < self.theory_model.rowCount(): |
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[f82ab8c] | 332 | outer_index += 1 |
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[ca8b853] | 333 | outer_item = self.theory_model.item(outer_index) |
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[f82ab8c] | 334 | if not outer_item: |
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| 335 | continue |
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[ca8b853] | 336 | if outer_item.isCheckable() and \ |
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| 337 | outer_item.checkState() == QtCore.Qt.Checked: |
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| 338 | theories_copied += 1 |
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| 339 | new_item = self.recursivelyCloneItem(outer_item) |
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| 340 | # Append a "unique" descriptor to the name |
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| 341 | time_bit = str(time.time())[7:-1].replace('.', '') |
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| 342 | new_name = new_item.text() + '_@' + time_bit |
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| 343 | new_item.setText(new_name) |
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| 344 | self.model.appendRow(new_item) |
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| 345 | self.model.reset() |
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[f82ab8c] | 346 | |
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[481ff26] | 347 | freeze_msg = "" |
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| 348 | if theories_copied == 0: |
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| 349 | return |
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| 350 | elif theories_copied == 1: |
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[ca8b853] | 351 | freeze_msg = "1 theory copied from the Theory tab as a data set" |
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[481ff26] | 352 | elif theories_copied > 1: |
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[ca8b853] | 353 | freeze_msg = "%i theories copied from the Theory tab as data sets" % theories_copied |
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[481ff26] | 354 | else: |
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| 355 | freeze_msg = "Unexpected number of theories copied: %i" % theories_copied |
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| 356 | raise AttributeError, freeze_msg |
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| 357 | self.communicator.statusBarUpdateSignal.emit(freeze_msg) |
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| 358 | # Actively switch tabs |
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| 359 | self.setCurrentIndex(1) |
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| 360 | |
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| 361 | def recursivelyCloneItem(self, item): |
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| 362 | """ |
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| 363 | Clone QStandardItem() object |
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| 364 | """ |
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| 365 | new_item = item.clone() |
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| 366 | # clone doesn't do deepcopy :( |
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| 367 | for child_index in xrange(item.rowCount()): |
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| 368 | child_item = self.recursivelyCloneItem(item.child(child_index)) |
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| 369 | new_item.setChild(child_index, child_item) |
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| 370 | return new_item |
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[f82ab8c] | 371 | |
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[8cb6cd6] | 372 | def updateGraphCombo(self, graph_list): |
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| 373 | """ |
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| 374 | Modify Graph combo box on graph add/delete |
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| 375 | """ |
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| 376 | orig_text = self.cbgraph.currentText() |
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| 377 | self.cbgraph.clear() |
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| 378 | graph_titles = [] |
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[adf81b8] | 379 | graph_titles= ["Graph"+str(graph) for graph in graph_list] |
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| 380 | |
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[8cb6cd6] | 381 | self.cbgraph.insertItems(0, graph_titles) |
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| 382 | ind = self.cbgraph.findText(orig_text) |
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| 383 | if ind > 0: |
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| 384 | self.cbgraph.setCurrentIndex(ind) |
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| 385 | pass |
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| 386 | |
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[1042dba] | 387 | def newPlot(self): |
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| 388 | """ |
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| 389 | Create a new matplotlib chart from selected data |
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| 390 | """ |
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[0cd8612] | 391 | plots = GuiUtils.plotsFromCheckedItems(self.model) |
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[1042dba] | 392 | |
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| 393 | # Call show on requested plots |
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[31c5b58] | 394 | # All same-type charts in one plot |
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| 395 | new_plot = Plotter(self) |
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[adf81b8] | 396 | |
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| 397 | def addDataPlot(plot, plot_set): |
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| 398 | plot.data = plot_set |
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| 399 | plot.plot() |
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| 400 | |
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| 401 | def addDataPlot2D(plot_set): |
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| 402 | plot2D = Plotter2D(self) |
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| 403 | addDataPlot(plot2D, plot_set) |
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| 404 | self.plotAdd(plot2D) |
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| 405 | |
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[1042dba] | 406 | for plot_set in plots: |
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[49e124c] | 407 | if isinstance(plot_set, Data1D): |
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[adf81b8] | 408 | addDataPlot(new_plot, plot_set) |
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[49e124c] | 409 | elif isinstance(plot_set, Data2D): |
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[adf81b8] | 410 | addDataPlot2D(plot_set) |
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[49e124c] | 411 | else: |
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| 412 | msg = "Incorrect data type passed to Plotting" |
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| 413 | raise AttributeError, msg |
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| 414 | |
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[adf81b8] | 415 | |
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[31c5b58] | 416 | if plots and \ |
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| 417 | hasattr(new_plot, 'data') and \ |
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| 418 | len(new_plot.data.x) > 0: |
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| 419 | self.plotAdd(new_plot) |
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[1042dba] | 420 | |
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[31c5b58] | 421 | def plotAdd(self, new_plot): |
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| 422 | """ |
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| 423 | Helper method for plot bookkeeping |
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| 424 | """ |
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| 425 | # Update the global plot counter |
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| 426 | title = "Graph"+str(PlotHelper.idOfPlot(new_plot)) |
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| 427 | new_plot.setWindowTitle(title) |
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[8cb6cd6] | 428 | |
---|
[31c5b58] | 429 | # Add the plot to the workspace |
---|
| 430 | self.parent.workspace().addWindow(new_plot) |
---|
[8cb6cd6] | 431 | |
---|
[31c5b58] | 432 | # Show the plot |
---|
| 433 | new_plot.show() |
---|
[f721030] | 434 | |
---|
[31c5b58] | 435 | # Update the active chart list |
---|
| 436 | self.active_plots.append(title) |
---|
[8cb6cd6] | 437 | |
---|
| 438 | def appendPlot(self): |
---|
| 439 | """ |
---|
| 440 | Add data set(s) to the existing matplotlib chart |
---|
| 441 | |
---|
| 442 | TODO: Add 2D-functionality |
---|
| 443 | """ |
---|
| 444 | # new plot data |
---|
| 445 | new_plots = GuiUtils.plotsFromCheckedItems(self.model) |
---|
| 446 | |
---|
| 447 | # old plot data |
---|
| 448 | plot_id = self.cbgraph.currentText() |
---|
| 449 | plot_id = int(plot_id[5:]) |
---|
| 450 | |
---|
| 451 | assert plot_id in PlotHelper.currentPlots(), "No such plot: Graph%s"%str(plot_id) |
---|
| 452 | |
---|
| 453 | old_plot = PlotHelper.plotById(plot_id) |
---|
| 454 | |
---|
[14d9c7b] | 455 | # Add new data to the old plot, if data type is the same. |
---|
[8cb6cd6] | 456 | for plot_set in new_plots: |
---|
[14d9c7b] | 457 | if type(plot_set) is type(old_plot._data): |
---|
[31c5b58] | 458 | old_plot.data = plot_set |
---|
[14d9c7b] | 459 | old_plot.plot() |
---|
[8cb6cd6] | 460 | |
---|
[f721030] | 461 | def chooseFiles(self): |
---|
| 462 | """ |
---|
[5032ea68] | 463 | Shows the Open file dialog and returns the chosen path(s) |
---|
[f721030] | 464 | """ |
---|
| 465 | # List of known extensions |
---|
| 466 | wlist = self.getWlist() |
---|
| 467 | |
---|
| 468 | # Location is automatically saved - no need to keep track of the last dir |
---|
[5032ea68] | 469 | # But only with Qt built-in dialog (non-platform native) |
---|
[9e426c1] | 470 | paths = QtGui.QFileDialog.getOpenFileNames(self, "Choose a file", "", |
---|
[5032ea68] | 471 | wlist, None, QtGui.QFileDialog.DontUseNativeDialog) |
---|
[f721030] | 472 | if paths is None: |
---|
| 473 | return |
---|
| 474 | |
---|
[481ff26] | 475 | if isinstance(paths, QtCore.QStringList): |
---|
[9e426c1] | 476 | paths = [str(f) for f in paths] |
---|
| 477 | |
---|
[0cd8612] | 478 | if not isinstance(paths, list): |
---|
[f721030] | 479 | paths = [paths] |
---|
| 480 | |
---|
[9e426c1] | 481 | return paths |
---|
[f721030] | 482 | |
---|
| 483 | def readData(self, path): |
---|
| 484 | """ |
---|
[481ff26] | 485 | verbatim copy-paste from |
---|
| 486 | sasgui.guiframe.local_perspectives.data_loader.data_loader.py |
---|
[f721030] | 487 | slightly modified for clarity |
---|
| 488 | """ |
---|
| 489 | message = "" |
---|
| 490 | log_msg = '' |
---|
| 491 | output = {} |
---|
| 492 | any_error = False |
---|
| 493 | data_error = False |
---|
| 494 | error_message = "" |
---|
[481ff26] | 495 | |
---|
[e540cd2] | 496 | number_of_files = len(path) |
---|
| 497 | self.communicator.progressBarUpdateSignal.emit(0.0) |
---|
| 498 | |
---|
| 499 | for index, p_file in enumerate(path): |
---|
[f721030] | 500 | basename = os.path.basename(p_file) |
---|
| 501 | _, extension = os.path.splitext(basename) |
---|
[0cd8612] | 502 | if extension.lower() in GuiUtils.EXTENSIONS: |
---|
[f721030] | 503 | any_error = True |
---|
| 504 | log_msg = "Data Loader cannot " |
---|
| 505 | log_msg += "load: %s\n" % str(p_file) |
---|
| 506 | log_msg += """Please try to open that file from "open project" """ |
---|
| 507 | log_msg += """or "open analysis" menu\n""" |
---|
| 508 | error_message = log_msg + "\n" |
---|
| 509 | logging.info(log_msg) |
---|
| 510 | continue |
---|
| 511 | |
---|
| 512 | try: |
---|
[5032ea68] | 513 | message = "Loading Data... " + str(basename) + "\n" |
---|
[f721030] | 514 | |
---|
| 515 | # change this to signal notification in GuiManager |
---|
[f82ab8c] | 516 | self.communicator.statusBarUpdateSignal.emit(message) |
---|
[f721030] | 517 | |
---|
| 518 | output_objects = self.loader.load(p_file) |
---|
| 519 | |
---|
| 520 | # Some loaders return a list and some just a single Data1D object. |
---|
| 521 | # Standardize. |
---|
| 522 | if not isinstance(output_objects, list): |
---|
| 523 | output_objects = [output_objects] |
---|
| 524 | |
---|
| 525 | for item in output_objects: |
---|
[481ff26] | 526 | # cast sascalc.dataloader.data_info.Data1D into |
---|
| 527 | # sasgui.guiframe.dataFitting.Data1D |
---|
[f721030] | 528 | # TODO : Fix it |
---|
| 529 | new_data = self.manager.create_gui_data(item, p_file) |
---|
| 530 | output[new_data.id] = new_data |
---|
[481ff26] | 531 | |
---|
| 532 | # Model update should be protected |
---|
| 533 | self.mutex.lock() |
---|
[f721030] | 534 | self.updateModel(new_data, p_file) |
---|
[5032ea68] | 535 | self.model.reset() |
---|
| 536 | QtGui.qApp.processEvents() |
---|
[481ff26] | 537 | self.mutex.unlock() |
---|
[f721030] | 538 | |
---|
| 539 | if hasattr(item, 'errors'): |
---|
| 540 | for error_data in item.errors: |
---|
| 541 | data_error = True |
---|
| 542 | message += "\tError: {0}\n".format(error_data) |
---|
| 543 | else: |
---|
[5032ea68] | 544 | |
---|
[f721030] | 545 | logging.error("Loader returned an invalid object:\n %s" % str(item)) |
---|
| 546 | data_error = True |
---|
| 547 | |
---|
[5032ea68] | 548 | except Exception as ex: |
---|
[f721030] | 549 | logging.error(sys.exc_value) |
---|
[5032ea68] | 550 | |
---|
[f721030] | 551 | any_error = True |
---|
| 552 | if any_error or error_message != "": |
---|
| 553 | if error_message == "": |
---|
| 554 | error = "Error: " + str(sys.exc_info()[1]) + "\n" |
---|
| 555 | error += "while loading Data: \n%s\n" % str(basename) |
---|
| 556 | error_message += "The data file you selected could not be loaded.\n" |
---|
| 557 | error_message += "Make sure the content of your file" |
---|
| 558 | error_message += " is properly formatted.\n\n" |
---|
| 559 | error_message += "When contacting the SasView team, mention the" |
---|
| 560 | error_message += " following:\n%s" % str(error) |
---|
| 561 | elif data_error: |
---|
| 562 | base_message = "Errors occurred while loading " |
---|
| 563 | base_message += "{0}\n".format(basename) |
---|
| 564 | base_message += "The data file loaded but with errors.\n" |
---|
| 565 | error_message = base_message + error_message |
---|
| 566 | else: |
---|
| 567 | error_message += "%s\n" % str(p_file) |
---|
[481ff26] | 568 | |
---|
[e540cd2] | 569 | current_percentage = int(100.0* index/number_of_files) |
---|
| 570 | self.communicator.progressBarUpdateSignal.emit(current_percentage) |
---|
| 571 | |
---|
[f721030] | 572 | if any_error or error_message: |
---|
[0cd8612] | 573 | logging.error(error_message) |
---|
| 574 | status_bar_message = "Errors occurred while loading %s" % format(basename) |
---|
| 575 | self.communicator.statusBarUpdateSignal.emit(status_bar_message) |
---|
[f721030] | 576 | |
---|
| 577 | else: |
---|
| 578 | message = "Loading Data Complete! " |
---|
| 579 | message += log_msg |
---|
[0cd8612] | 580 | # Notify the progress bar that the updates are over. |
---|
[e540cd2] | 581 | self.communicator.progressBarUpdateSignal.emit(-1) |
---|
[481ff26] | 582 | |
---|
[a281ab8] | 583 | return output, message |
---|
[f721030] | 584 | |
---|
| 585 | def getWlist(self): |
---|
| 586 | """ |
---|
[f82ab8c] | 587 | Wildcards of files we know the format of. |
---|
[f721030] | 588 | """ |
---|
| 589 | # Display the Qt Load File module |
---|
| 590 | cards = self.loader.get_wildcards() |
---|
| 591 | |
---|
| 592 | # get rid of the wx remnant in wildcards |
---|
| 593 | # TODO: modify sasview loader get_wildcards method, after merge, |
---|
| 594 | # so this kludge can be avoided |
---|
| 595 | new_cards = [] |
---|
| 596 | for item in cards: |
---|
| 597 | new_cards.append(item[:item.find("|")]) |
---|
| 598 | wlist = ';;'.join(new_cards) |
---|
| 599 | |
---|
| 600 | return wlist |
---|
[488c49d] | 601 | |
---|
| 602 | def selectData(self, index): |
---|
| 603 | """ |
---|
| 604 | Callback method for modifying the TreeView on Selection Options change |
---|
| 605 | """ |
---|
| 606 | if not isinstance(index, int): |
---|
| 607 | msg = "Incorrect type passed to DataExplorer.selectData()" |
---|
| 608 | raise AttributeError, msg |
---|
| 609 | |
---|
| 610 | # Respond appropriately |
---|
| 611 | if index == 0: |
---|
| 612 | # Select All |
---|
[5032ea68] | 613 | for index in range(self.model.rowCount()): |
---|
| 614 | item = self.model.item(index) |
---|
| 615 | if item.isCheckable() and item.checkState() == QtCore.Qt.Unchecked: |
---|
[488c49d] | 616 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 617 | elif index == 1: |
---|
| 618 | # De-select All |
---|
[5032ea68] | 619 | for index in range(self.model.rowCount()): |
---|
| 620 | item = self.model.item(index) |
---|
| 621 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
---|
[488c49d] | 622 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 623 | |
---|
| 624 | elif index == 2: |
---|
| 625 | # Select All 1-D |
---|
[5032ea68] | 626 | for index in range(self.model.rowCount()): |
---|
| 627 | item = self.model.item(index) |
---|
[488c49d] | 628 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
[5032ea68] | 629 | |
---|
| 630 | try: |
---|
[0cd8612] | 631 | is1D = isinstance(item.child(0).data().toPyObject(), Data1D) |
---|
[5032ea68] | 632 | except AttributeError: |
---|
| 633 | msg = "Bad structure of the data model." |
---|
| 634 | raise RuntimeError, msg |
---|
| 635 | |
---|
| 636 | if is1D: |
---|
[488c49d] | 637 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 638 | |
---|
| 639 | elif index == 3: |
---|
| 640 | # Unselect All 1-D |
---|
[5032ea68] | 641 | for index in range(self.model.rowCount()): |
---|
| 642 | item = self.model.item(index) |
---|
| 643 | |
---|
| 644 | try: |
---|
[0cd8612] | 645 | is1D = isinstance(item.child(0).data().toPyObject(), Data1D) |
---|
[5032ea68] | 646 | except AttributeError: |
---|
| 647 | msg = "Bad structure of the data model." |
---|
| 648 | raise RuntimeError, msg |
---|
| 649 | |
---|
| 650 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked and is1D: |
---|
[488c49d] | 651 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 652 | |
---|
| 653 | elif index == 4: |
---|
| 654 | # Select All 2-D |
---|
[5032ea68] | 655 | for index in range(self.model.rowCount()): |
---|
| 656 | item = self.model.item(index) |
---|
| 657 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 658 | try: |
---|
[0cd8612] | 659 | is2D = isinstance(item.child(0).data().toPyObject(), Data2D) |
---|
[5032ea68] | 660 | except AttributeError: |
---|
| 661 | msg = "Bad structure of the data model." |
---|
| 662 | raise RuntimeError, msg |
---|
| 663 | |
---|
| 664 | if is2D: |
---|
[488c49d] | 665 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 666 | |
---|
| 667 | elif index == 5: |
---|
| 668 | # Unselect All 2-D |
---|
[5032ea68] | 669 | for index in range(self.model.rowCount()): |
---|
| 670 | item = self.model.item(index) |
---|
| 671 | |
---|
| 672 | try: |
---|
[0cd8612] | 673 | is2D = isinstance(item.child(0).data().toPyObject(), Data2D) |
---|
[5032ea68] | 674 | except AttributeError: |
---|
| 675 | msg = "Bad structure of the data model." |
---|
| 676 | raise RuntimeError, msg |
---|
| 677 | |
---|
| 678 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked and is2D: |
---|
[488c49d] | 679 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 680 | |
---|
| 681 | else: |
---|
| 682 | msg = "Incorrect value in the Selection Option" |
---|
| 683 | # Change this to a proper logging action |
---|
| 684 | raise Exception, msg |
---|
| 685 | |
---|
[4b71e91] | 686 | def contextMenu(self): |
---|
[e540cd2] | 687 | """ |
---|
[4b71e91] | 688 | Define actions and layout of the right click context menu |
---|
[e540cd2] | 689 | """ |
---|
[4b71e91] | 690 | # Create a custom menu based on actions defined in the UI file |
---|
| 691 | self.context_menu = QtGui.QMenu(self) |
---|
| 692 | self.context_menu.addAction(self.actionDataInfo) |
---|
| 693 | self.context_menu.addAction(self.actionSaveAs) |
---|
| 694 | self.context_menu.addAction(self.actionQuickPlot) |
---|
| 695 | self.context_menu.addSeparator() |
---|
| 696 | self.context_menu.addAction(self.actionQuick3DPlot) |
---|
| 697 | self.context_menu.addAction(self.actionEditMask) |
---|
| 698 | |
---|
| 699 | # Define the callbacks |
---|
| 700 | self.actionDataInfo.triggered.connect(self.showDataInfo) |
---|
| 701 | self.actionSaveAs.triggered.connect(self.saveDataAs) |
---|
| 702 | self.actionQuickPlot.triggered.connect(self.quickDataPlot) |
---|
| 703 | self.actionQuick3DPlot.triggered.connect(self.quickData3DPlot) |
---|
| 704 | self.actionEditMask.triggered.connect(self.showEditDataMask) |
---|
[e540cd2] | 705 | |
---|
| 706 | def onCustomContextMenu(self, position): |
---|
| 707 | """ |
---|
[4b71e91] | 708 | Show the right-click context menu in the data treeview |
---|
[e540cd2] | 709 | """ |
---|
| 710 | index = self.treeView.indexAt(position) |
---|
| 711 | if index.isValid(): |
---|
[4b71e91] | 712 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 713 | # Find the mapped index |
---|
| 714 | orig_index = model_item.isCheckable() |
---|
| 715 | if orig_index: |
---|
| 716 | # Check the data to enable/disable actions |
---|
| 717 | is_2D = isinstance(model_item.child(0).data().toPyObject(), Data2D) |
---|
| 718 | self.actionQuick3DPlot.setEnabled(is_2D) |
---|
| 719 | self.actionEditMask.setEnabled(is_2D) |
---|
| 720 | # Fire up the menu |
---|
| 721 | self.context_menu.exec_(self.treeView.mapToGlobal(position)) |
---|
| 722 | |
---|
| 723 | def showDataInfo(self): |
---|
| 724 | """ |
---|
| 725 | Show a simple read-only text edit with data information. |
---|
| 726 | """ |
---|
| 727 | index = self.treeView.selectedIndexes()[0] |
---|
| 728 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 729 | data = model_item.child(0).data().toPyObject() |
---|
[28a84e9] | 730 | if isinstance(data, Data1D): |
---|
[4b71e91] | 731 | text_to_show = GuiUtils.retrieveData1d(data) |
---|
[28a84e9] | 732 | # Hardcoded sizes to enable full width rendering with default font |
---|
[4b71e91] | 733 | self.txt_widget.resize(420,600) |
---|
| 734 | else: |
---|
| 735 | text_to_show = GuiUtils.retrieveData2d(data) |
---|
[28a84e9] | 736 | # Hardcoded sizes to enable full width rendering with default font |
---|
[4b71e91] | 737 | self.txt_widget.resize(700,600) |
---|
| 738 | |
---|
| 739 | self.txt_widget.setReadOnly(True) |
---|
| 740 | self.txt_widget.setWindowFlags(QtCore.Qt.Window) |
---|
| 741 | self.txt_widget.setWindowIcon(QtGui.QIcon(":/res/ball.ico")) |
---|
| 742 | self.txt_widget.setWindowTitle("Data Info: %s" % data.filename) |
---|
| 743 | self.txt_widget.insertPlainText(text_to_show) |
---|
| 744 | |
---|
| 745 | self.txt_widget.show() |
---|
[28a84e9] | 746 | # Move the slider all the way up, if present |
---|
[4b71e91] | 747 | vertical_scroll_bar = self.txt_widget.verticalScrollBar() |
---|
| 748 | vertical_scroll_bar.triggerAction(QtGui.QScrollBar.SliderToMinimum) |
---|
| 749 | |
---|
| 750 | def saveDataAs(self): |
---|
| 751 | """ |
---|
[28a84e9] | 752 | Save the data points as either txt or xml |
---|
[4b71e91] | 753 | """ |
---|
[28a84e9] | 754 | index = self.treeView.selectedIndexes()[0] |
---|
| 755 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 756 | data = model_item.child(0).data().toPyObject() |
---|
| 757 | if isinstance(data, Data1D): |
---|
| 758 | GuiUtils.saveData1D(data) |
---|
| 759 | else: |
---|
| 760 | GuiUtils.saveData2D(data) |
---|
[4b71e91] | 761 | |
---|
| 762 | def quickDataPlot(self): |
---|
[1af348e] | 763 | """ |
---|
| 764 | Frozen plot - display an image of the plot |
---|
| 765 | """ |
---|
[39551a68] | 766 | index = self.treeView.selectedIndexes()[0] |
---|
| 767 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 768 | data = model_item.child(0).data().toPyObject() |
---|
| 769 | |
---|
| 770 | dimension = 1 if isinstance(data, Data1D) else 2 |
---|
[1af348e] | 771 | |
---|
| 772 | # TODO: Replace this with the proper MaskPlotPanel from plottools |
---|
[39551a68] | 773 | new_plot = Plotter(self) |
---|
| 774 | new_plot.data(data) |
---|
| 775 | new_plot.plot(marker='o', linestyle='') |
---|
| 776 | |
---|
| 777 | # Update the global plot counter |
---|
| 778 | title = "Plot " + data.name |
---|
| 779 | new_plot.setWindowTitle(title) |
---|
| 780 | |
---|
| 781 | # Show the plot |
---|
| 782 | new_plot.show() |
---|
[4b71e91] | 783 | |
---|
| 784 | def quickData3DPlot(self): |
---|
| 785 | """ |
---|
| 786 | """ |
---|
| 787 | print "quickData3DPlot" |
---|
| 788 | pass |
---|
| 789 | |
---|
| 790 | def showEditDataMask(self): |
---|
| 791 | """ |
---|
| 792 | """ |
---|
| 793 | print "showEditDataMask" |
---|
[e540cd2] | 794 | pass |
---|
[f721030] | 795 | |
---|
[a281ab8] | 796 | def loadComplete(self, output): |
---|
[f721030] | 797 | """ |
---|
| 798 | Post message to status bar and update the data manager |
---|
| 799 | """ |
---|
[8cb6cd6] | 800 | assert isinstance(output, tuple) |
---|
[e540cd2] | 801 | |
---|
[9e426c1] | 802 | # Reset the model so the view gets updated. |
---|
[5032ea68] | 803 | self.model.reset() |
---|
[e540cd2] | 804 | self.communicator.progressBarUpdateSignal.emit(-1) |
---|
[a281ab8] | 805 | |
---|
| 806 | output_data = output[0] |
---|
| 807 | message = output[1] |
---|
[f721030] | 808 | # Notify the manager of the new data available |
---|
[f82ab8c] | 809 | self.communicator.statusBarUpdateSignal.emit(message) |
---|
| 810 | self.communicator.fileDataReceivedSignal.emit(output_data) |
---|
[a281ab8] | 811 | self.manager.add_data(data_list=output_data) |
---|
[f721030] | 812 | |
---|
| 813 | def updateModel(self, data, p_file): |
---|
| 814 | """ |
---|
[481ff26] | 815 | Add data and Info fields to the model item |
---|
[f721030] | 816 | """ |
---|
| 817 | # Structure of the model |
---|
| 818 | # checkbox + basename |
---|
[481ff26] | 819 | # |-------> Data.D object |
---|
[f721030] | 820 | # |-------> Info |
---|
| 821 | # |----> Title: |
---|
| 822 | # |----> Run: |
---|
| 823 | # |----> Type: |
---|
| 824 | # |----> Path: |
---|
| 825 | # |----> Process |
---|
| 826 | # |-----> process[0].name |
---|
[28a84e9] | 827 | # |-------> THEORIES |
---|
[f721030] | 828 | |
---|
| 829 | # Top-level item: checkbox with label |
---|
| 830 | checkbox_item = QtGui.QStandardItem(True) |
---|
| 831 | checkbox_item.setCheckable(True) |
---|
| 832 | checkbox_item.setCheckState(QtCore.Qt.Checked) |
---|
| 833 | checkbox_item.setText(os.path.basename(p_file)) |
---|
| 834 | |
---|
| 835 | # Add the actual Data1D/Data2D object |
---|
| 836 | object_item = QtGui.QStandardItem() |
---|
| 837 | object_item.setData(QtCore.QVariant(data)) |
---|
| 838 | |
---|
[488c49d] | 839 | checkbox_item.setChild(0, object_item) |
---|
| 840 | |
---|
[f721030] | 841 | # Add rows for display in the view |
---|
[0cd8612] | 842 | info_item = GuiUtils.infoFromData(data) |
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[f721030] | 843 | |
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[28a84e9] | 844 | # Set info_item as the first child |
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[488c49d] | 845 | checkbox_item.setChild(1, info_item) |
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[f721030] | 846 | |
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[28a84e9] | 847 | # Caption for the theories |
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| 848 | checkbox_item.setChild(2, QtGui.QStandardItem("THEORIES")) |
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| 849 | |
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[f721030] | 850 | # New row in the model |
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| 851 | self.model.appendRow(checkbox_item) |
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[481ff26] | 852 | |
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[28a84e9] | 853 | |
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[5032ea68] | 854 | def updateModelFromPerspective(self, model_item): |
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| 855 | """ |
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[a281ab8] | 856 | Receive an update model item from a perspective |
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| 857 | Make sure it is valid and if so, replace it in the model |
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[5032ea68] | 858 | """ |
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[a281ab8] | 859 | # Assert the correct type |
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[0cd8612] | 860 | if not isinstance(model_item, QtGui.QStandardItem): |
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[5032ea68] | 861 | msg = "Wrong data type returned from calculations." |
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| 862 | raise AttributeError, msg |
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[a281ab8] | 863 | |
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[1042dba] | 864 | # TODO: Assert other properties |
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[a281ab8] | 865 | |
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[5032ea68] | 866 | # Reset the view |
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| 867 | self.model.reset() |
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[1042dba] | 868 | |
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[5032ea68] | 869 | # Pass acting as a debugger anchor |
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| 870 | pass |
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[481ff26] | 871 | |
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[f721030] | 872 | |
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| 873 | if __name__ == "__main__": |
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| 874 | app = QtGui.QApplication([]) |
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| 875 | dlg = DataExplorerWindow() |
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| 876 | dlg.show() |
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[481ff26] | 877 | sys.exit(app.exec_()) |
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