[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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[8cb6cd6] | 20 | import GuiUtils |
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| 21 | import PlotHelper |
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| 22 | from Plotter import Plotter |
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[49e124c] | 23 | from Plotter2D import Plotter2D |
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[f82ab8c] | 24 | from 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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| 119 | _TreeLocation = "html/user/sasgui/guiframe/data_explorer_help.html" |
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| 120 | self._helpView.load(QtCore.QUrl(_TreeLocation)) |
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| 121 | self._helpView.show() |
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| 122 | |
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[8cb6cd6] | 123 | def enableGraphCombo(self, combo_text): |
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| 124 | """ |
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| 125 | Enables/disables "Assign Plot" elements |
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| 126 | """ |
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| 127 | self.cbgraph.setEnabled(len(PlotHelper.currentPlots()) > 0) |
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| 128 | self.cmdAppend.setEnabled(len(PlotHelper.currentPlots()) > 0) |
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| 129 | |
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[f82ab8c] | 130 | def loadFromURL(self, url): |
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| 131 | """ |
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| 132 | Threaded file load |
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| 133 | """ |
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| 134 | load_thread = threads.deferToThread(self.readData, url) |
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| 135 | load_thread.addCallback(self.loadComplete) |
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[5032ea68] | 136 | |
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| 137 | def loadFile(self, event=None): |
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[f721030] | 138 | """ |
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| 139 | Called when the "Load" button pressed. |
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[481ff26] | 140 | Opens the Qt "Open File..." dialog |
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[f721030] | 141 | """ |
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| 142 | path_str = self.chooseFiles() |
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| 143 | if not path_str: |
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| 144 | return |
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[f82ab8c] | 145 | self.loadFromURL(path_str) |
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[f721030] | 146 | |
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[5032ea68] | 147 | def loadFolder(self, event=None): |
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[f721030] | 148 | """ |
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[5032ea68] | 149 | Called when the "File/Load Folder" menu item chosen. |
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[481ff26] | 150 | Opens the Qt "Open Folder..." dialog |
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[f721030] | 151 | """ |
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[481ff26] | 152 | folder = QtGui.QFileDialog.getExistingDirectory(self, "Choose a directory", "", |
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[9e426c1] | 153 | QtGui.QFileDialog.ShowDirsOnly | QtGui.QFileDialog.DontUseNativeDialog) |
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[481ff26] | 154 | if folder is None: |
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[5032ea68] | 155 | return |
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| 156 | |
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[481ff26] | 157 | folder = str(folder) |
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[f721030] | 158 | |
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[481ff26] | 159 | if not os.path.isdir(folder): |
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[5032ea68] | 160 | return |
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[f721030] | 161 | |
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[5032ea68] | 162 | # get content of dir into a list |
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[481ff26] | 163 | path_str = [os.path.join(os.path.abspath(folder), filename) |
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[e540cd2] | 164 | for filename in os.listdir(folder)] |
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[f721030] | 165 | |
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[f82ab8c] | 166 | self.loadFromURL(path_str) |
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[5032ea68] | 167 | |
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[630155bd] | 168 | def loadProject(self): |
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| 169 | """ |
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| 170 | Called when the "Open Project" menu item chosen. |
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| 171 | """ |
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| 172 | kwargs = { |
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| 173 | 'parent' : self, |
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| 174 | 'caption' : 'Open Project', |
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| 175 | 'filter' : 'Project (*.json);;All files (*.*)', |
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| 176 | 'options' : QtGui.QFileDialog.DontUseNativeDialog |
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| 177 | } |
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| 178 | filename = str(QtGui.QFileDialog.getOpenFileName(**kwargs)) |
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| 179 | if filename: |
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| 180 | load_thread = threads.deferToThread(self.readProject, filename) |
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| 181 | load_thread.addCallback(self.readProjectComplete) |
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| 182 | |
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| 183 | def readProject(self, filename): |
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| 184 | self.communicator.statusBarUpdateSignal.emit("Loading Project... %s" % os.path.basename(filename)) |
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| 185 | try: |
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| 186 | manager = DataManager() |
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| 187 | with open(filename, 'r') as infile: |
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| 188 | manager.load_from_readable(infile) |
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| 189 | |
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| 190 | self.communicator.statusBarUpdateSignal.emit("Loaded Project: %s" % os.path.basename(filename)) |
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| 191 | return manager |
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| 192 | |
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| 193 | except: |
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| 194 | self.communicator.statusBarUpdateSignal.emit("Failed: %s" % os.path.basename(filename)) |
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| 195 | raise |
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| 196 | |
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| 197 | def readProjectComplete(self, manager): |
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| 198 | self.model.clear() |
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| 199 | |
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| 200 | self.manager.assign(manager) |
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| 201 | for id, item in self.manager.get_all_data().iteritems(): |
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| 202 | self.updateModel(item.data, item.path) |
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| 203 | |
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| 204 | self.model.reset() |
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| 205 | |
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| 206 | def saveProject(self): |
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| 207 | """ |
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| 208 | Called when the "Save Project" menu item chosen. |
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| 209 | """ |
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| 210 | kwargs = { |
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| 211 | 'parent' : self, |
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| 212 | 'caption' : 'Save Project', |
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| 213 | 'filter' : 'Project (*.json)', |
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| 214 | 'options' : QtGui.QFileDialog.DontUseNativeDialog |
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| 215 | } |
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| 216 | filename = str(QtGui.QFileDialog.getSaveFileName(**kwargs)) |
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| 217 | if filename: |
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| 218 | self.communicator.statusBarUpdateSignal.emit("Saving Project... %s\n" % os.path.basename(filename)) |
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| 219 | with open(filename, 'w') as outfile: |
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| 220 | self.manager.save_to_writable(outfile) |
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| 221 | |
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[5032ea68] | 222 | def deleteFile(self, event): |
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| 223 | """ |
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| 224 | Delete selected rows from the model |
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| 225 | """ |
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| 226 | # Assure this is indeed wanted |
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| 227 | delete_msg = "This operation will delete the checked data sets and all the dependents." +\ |
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| 228 | "\nDo you want to continue?" |
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[e540cd2] | 229 | reply = QtGui.QMessageBox.question(self, |
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| 230 | 'Warning', |
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| 231 | delete_msg, |
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| 232 | QtGui.QMessageBox.Yes, |
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| 233 | QtGui.QMessageBox.No) |
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[5032ea68] | 234 | |
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| 235 | if reply == QtGui.QMessageBox.No: |
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| 236 | return |
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| 237 | |
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| 238 | # Figure out which rows are checked |
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| 239 | ind = -1 |
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| 240 | # Use 'while' so the row count is forced at every iteration |
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| 241 | while ind < self.model.rowCount(): |
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| 242 | ind += 1 |
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| 243 | item = self.model.item(ind) |
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| 244 | if item and item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
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| 245 | # Delete these rows from the model |
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| 246 | self.model.removeRow(ind) |
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| 247 | # Decrement index since we just deleted it |
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| 248 | ind -= 1 |
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| 249 | |
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| 250 | # pass temporarily kept as a breakpoint anchor |
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[f721030] | 251 | pass |
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| 252 | |
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[f82ab8c] | 253 | def deleteTheory(self, event): |
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| 254 | """ |
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| 255 | Delete selected rows from the theory model |
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| 256 | """ |
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| 257 | # Assure this is indeed wanted |
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| 258 | delete_msg = "This operation will delete the checked data sets and all the dependents." +\ |
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| 259 | "\nDo you want to continue?" |
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[8cb6cd6] | 260 | reply = QtGui.QMessageBox.question(self, |
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| 261 | 'Warning', |
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| 262 | delete_msg, |
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| 263 | QtGui.QMessageBox.Yes, |
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| 264 | QtGui.QMessageBox.No) |
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[f82ab8c] | 265 | |
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| 266 | if reply == QtGui.QMessageBox.No: |
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| 267 | return |
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| 268 | |
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| 269 | # Figure out which rows are checked |
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| 270 | ind = -1 |
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| 271 | # Use 'while' so the row count is forced at every iteration |
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| 272 | while ind < self.theory_model.rowCount(): |
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| 273 | ind += 1 |
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| 274 | item = self.theory_model.item(ind) |
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| 275 | if item and item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
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| 276 | # Delete these rows from the model |
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| 277 | self.theory_model.removeRow(ind) |
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| 278 | # Decrement index since we just deleted it |
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| 279 | ind -= 1 |
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| 280 | |
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| 281 | # pass temporarily kept as a breakpoint anchor |
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| 282 | pass |
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| 283 | |
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[f721030] | 284 | def sendData(self, event): |
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| 285 | """ |
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[5032ea68] | 286 | Send selected item data to the current perspective and set the relevant notifiers |
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[f721030] | 287 | """ |
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[5032ea68] | 288 | # should this reside on GuiManager or here? |
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| 289 | self._perspective = self.parent.perspective() |
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[f721030] | 290 | |
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[5032ea68] | 291 | # Set the signal handlers |
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| 292 | self.communicator.updateModelFromPerspectiveSignal.connect(self.updateModelFromPerspective) |
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[f721030] | 293 | |
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[5032ea68] | 294 | # Figure out which rows are checked |
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| 295 | selected_items = [] |
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| 296 | for index in range(self.model.rowCount()): |
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| 297 | item = self.model.item(index) |
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| 298 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
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| 299 | selected_items.append(item) |
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[f721030] | 300 | |
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[f82ab8c] | 301 | if len(selected_items) < 1: |
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| 302 | return |
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| 303 | |
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[f721030] | 304 | # Which perspective has been selected? |
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[5032ea68] | 305 | if len(selected_items) > 1 and not self._perspective.allowBatch(): |
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| 306 | msg = self._perspective.title() + " does not allow multiple data." |
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| 307 | msgbox = QtGui.QMessageBox() |
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| 308 | msgbox.setIcon(QtGui.QMessageBox.Critical) |
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| 309 | msgbox.setText(msg) |
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| 310 | msgbox.setStandardButtons(QtGui.QMessageBox.Ok) |
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| 311 | retval = msgbox.exec_() |
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| 312 | return |
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[a281ab8] | 313 | |
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[5032ea68] | 314 | # TODO |
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[f721030] | 315 | # New plot or appended? |
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| 316 | |
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| 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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| 379 | for graph in graph_list: |
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| 380 | graph_titles.append("Graph"+str(graph)) |
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| 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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| 394 | for plot_set in plots: |
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[49e124c] | 395 | new_plot = None |
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| 396 | if isinstance(plot_set, Data1D): |
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| 397 | new_plot = Plotter(self) |
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| 398 | elif isinstance(plot_set, Data2D): |
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| 399 | new_plot = Plotter2D(self) |
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| 400 | else: |
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| 401 | msg = "Incorrect data type passed to Plotting" |
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| 402 | raise AttributeError, msg |
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| 403 | |
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[1042dba] | 404 | new_plot.data(plot_set) |
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| 405 | new_plot.plot() |
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| 406 | |
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[49e124c] | 407 | # Update the global plot counter |
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| 408 | title = "Graph"+str(PlotHelper.idOfPlot(new_plot)) |
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| 409 | new_plot.setWindowTitle(title) |
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[8cb6cd6] | 410 | |
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[49e124c] | 411 | # Add the plot to the workspace |
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| 412 | self.parent.workspace().addWindow(new_plot) |
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[8cb6cd6] | 413 | |
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[49e124c] | 414 | # Show the plot |
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| 415 | new_plot.show() |
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[f721030] | 416 | |
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[49e124c] | 417 | # Update the active chart list |
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| 418 | self.active_plots.append(title) |
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[8cb6cd6] | 419 | |
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| 420 | def appendPlot(self): |
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| 421 | """ |
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| 422 | Add data set(s) to the existing matplotlib chart |
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| 423 | |
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| 424 | TODO: Add 2D-functionality |
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| 425 | """ |
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| 426 | # new plot data |
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| 427 | new_plots = GuiUtils.plotsFromCheckedItems(self.model) |
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| 428 | |
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| 429 | # old plot data |
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| 430 | plot_id = self.cbgraph.currentText() |
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| 431 | plot_id = int(plot_id[5:]) |
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| 432 | |
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| 433 | assert plot_id in PlotHelper.currentPlots(), "No such plot: Graph%s"%str(plot_id) |
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| 434 | |
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| 435 | old_plot = PlotHelper.plotById(plot_id) |
---|
| 436 | |
---|
[14d9c7b] | 437 | # Add new data to the old plot, if data type is the same. |
---|
[8cb6cd6] | 438 | for plot_set in new_plots: |
---|
[14d9c7b] | 439 | if type(plot_set) is type(old_plot._data): |
---|
| 440 | old_plot.data(plot_set) |
---|
| 441 | old_plot.plot() |
---|
[8cb6cd6] | 442 | |
---|
[f721030] | 443 | def chooseFiles(self): |
---|
| 444 | """ |
---|
[5032ea68] | 445 | Shows the Open file dialog and returns the chosen path(s) |
---|
[f721030] | 446 | """ |
---|
| 447 | # List of known extensions |
---|
| 448 | wlist = self.getWlist() |
---|
| 449 | |
---|
| 450 | # Location is automatically saved - no need to keep track of the last dir |
---|
[5032ea68] | 451 | # But only with Qt built-in dialog (non-platform native) |
---|
[9e426c1] | 452 | paths = QtGui.QFileDialog.getOpenFileNames(self, "Choose a file", "", |
---|
[5032ea68] | 453 | wlist, None, QtGui.QFileDialog.DontUseNativeDialog) |
---|
[f721030] | 454 | if paths is None: |
---|
| 455 | return |
---|
| 456 | |
---|
[481ff26] | 457 | if isinstance(paths, QtCore.QStringList): |
---|
[9e426c1] | 458 | paths = [str(f) for f in paths] |
---|
| 459 | |
---|
[0cd8612] | 460 | if not isinstance(paths, list): |
---|
[f721030] | 461 | paths = [paths] |
---|
| 462 | |
---|
[9e426c1] | 463 | return paths |
---|
[f721030] | 464 | |
---|
| 465 | def readData(self, path): |
---|
| 466 | """ |
---|
[481ff26] | 467 | verbatim copy-paste from |
---|
| 468 | sasgui.guiframe.local_perspectives.data_loader.data_loader.py |
---|
[f721030] | 469 | slightly modified for clarity |
---|
| 470 | """ |
---|
| 471 | message = "" |
---|
| 472 | log_msg = '' |
---|
| 473 | output = {} |
---|
| 474 | any_error = False |
---|
| 475 | data_error = False |
---|
| 476 | error_message = "" |
---|
[481ff26] | 477 | |
---|
[e540cd2] | 478 | number_of_files = len(path) |
---|
| 479 | self.communicator.progressBarUpdateSignal.emit(0.0) |
---|
| 480 | |
---|
| 481 | for index, p_file in enumerate(path): |
---|
[f721030] | 482 | basename = os.path.basename(p_file) |
---|
| 483 | _, extension = os.path.splitext(basename) |
---|
[0cd8612] | 484 | if extension.lower() in GuiUtils.EXTENSIONS: |
---|
[f721030] | 485 | any_error = True |
---|
| 486 | log_msg = "Data Loader cannot " |
---|
| 487 | log_msg += "load: %s\n" % str(p_file) |
---|
| 488 | log_msg += """Please try to open that file from "open project" """ |
---|
| 489 | log_msg += """or "open analysis" menu\n""" |
---|
| 490 | error_message = log_msg + "\n" |
---|
| 491 | logging.info(log_msg) |
---|
| 492 | continue |
---|
| 493 | |
---|
| 494 | try: |
---|
[5032ea68] | 495 | message = "Loading Data... " + str(basename) + "\n" |
---|
[f721030] | 496 | |
---|
| 497 | # change this to signal notification in GuiManager |
---|
[f82ab8c] | 498 | self.communicator.statusBarUpdateSignal.emit(message) |
---|
[f721030] | 499 | |
---|
| 500 | output_objects = self.loader.load(p_file) |
---|
| 501 | |
---|
| 502 | # Some loaders return a list and some just a single Data1D object. |
---|
| 503 | # Standardize. |
---|
| 504 | if not isinstance(output_objects, list): |
---|
| 505 | output_objects = [output_objects] |
---|
| 506 | |
---|
| 507 | for item in output_objects: |
---|
[481ff26] | 508 | # cast sascalc.dataloader.data_info.Data1D into |
---|
| 509 | # sasgui.guiframe.dataFitting.Data1D |
---|
[f721030] | 510 | # TODO : Fix it |
---|
| 511 | new_data = self.manager.create_gui_data(item, p_file) |
---|
| 512 | output[new_data.id] = new_data |
---|
[481ff26] | 513 | |
---|
| 514 | # Model update should be protected |
---|
| 515 | self.mutex.lock() |
---|
[f721030] | 516 | self.updateModel(new_data, p_file) |
---|
[5032ea68] | 517 | self.model.reset() |
---|
| 518 | QtGui.qApp.processEvents() |
---|
[481ff26] | 519 | self.mutex.unlock() |
---|
[f721030] | 520 | |
---|
| 521 | if hasattr(item, 'errors'): |
---|
| 522 | for error_data in item.errors: |
---|
| 523 | data_error = True |
---|
| 524 | message += "\tError: {0}\n".format(error_data) |
---|
| 525 | else: |
---|
[5032ea68] | 526 | |
---|
[f721030] | 527 | logging.error("Loader returned an invalid object:\n %s" % str(item)) |
---|
| 528 | data_error = True |
---|
| 529 | |
---|
[5032ea68] | 530 | except Exception as ex: |
---|
[f721030] | 531 | logging.error(sys.exc_value) |
---|
[5032ea68] | 532 | |
---|
[f721030] | 533 | any_error = True |
---|
| 534 | if any_error or error_message != "": |
---|
| 535 | if error_message == "": |
---|
| 536 | error = "Error: " + str(sys.exc_info()[1]) + "\n" |
---|
| 537 | error += "while loading Data: \n%s\n" % str(basename) |
---|
| 538 | error_message += "The data file you selected could not be loaded.\n" |
---|
| 539 | error_message += "Make sure the content of your file" |
---|
| 540 | error_message += " is properly formatted.\n\n" |
---|
| 541 | error_message += "When contacting the SasView team, mention the" |
---|
| 542 | error_message += " following:\n%s" % str(error) |
---|
| 543 | elif data_error: |
---|
| 544 | base_message = "Errors occurred while loading " |
---|
| 545 | base_message += "{0}\n".format(basename) |
---|
| 546 | base_message += "The data file loaded but with errors.\n" |
---|
| 547 | error_message = base_message + error_message |
---|
| 548 | else: |
---|
| 549 | error_message += "%s\n" % str(p_file) |
---|
[481ff26] | 550 | |
---|
[e540cd2] | 551 | current_percentage = int(100.0* index/number_of_files) |
---|
| 552 | self.communicator.progressBarUpdateSignal.emit(current_percentage) |
---|
| 553 | |
---|
[f721030] | 554 | if any_error or error_message: |
---|
[0cd8612] | 555 | logging.error(error_message) |
---|
| 556 | status_bar_message = "Errors occurred while loading %s" % format(basename) |
---|
| 557 | self.communicator.statusBarUpdateSignal.emit(status_bar_message) |
---|
[f721030] | 558 | |
---|
| 559 | else: |
---|
| 560 | message = "Loading Data Complete! " |
---|
| 561 | message += log_msg |
---|
[0cd8612] | 562 | # Notify the progress bar that the updates are over. |
---|
[e540cd2] | 563 | self.communicator.progressBarUpdateSignal.emit(-1) |
---|
[481ff26] | 564 | |
---|
[a281ab8] | 565 | return output, message |
---|
[f721030] | 566 | |
---|
| 567 | def getWlist(self): |
---|
| 568 | """ |
---|
[f82ab8c] | 569 | Wildcards of files we know the format of. |
---|
[f721030] | 570 | """ |
---|
| 571 | # Display the Qt Load File module |
---|
| 572 | cards = self.loader.get_wildcards() |
---|
| 573 | |
---|
| 574 | # get rid of the wx remnant in wildcards |
---|
| 575 | # TODO: modify sasview loader get_wildcards method, after merge, |
---|
| 576 | # so this kludge can be avoided |
---|
| 577 | new_cards = [] |
---|
| 578 | for item in cards: |
---|
| 579 | new_cards.append(item[:item.find("|")]) |
---|
| 580 | wlist = ';;'.join(new_cards) |
---|
| 581 | |
---|
| 582 | return wlist |
---|
[488c49d] | 583 | |
---|
| 584 | def selectData(self, index): |
---|
| 585 | """ |
---|
| 586 | Callback method for modifying the TreeView on Selection Options change |
---|
| 587 | """ |
---|
| 588 | if not isinstance(index, int): |
---|
| 589 | msg = "Incorrect type passed to DataExplorer.selectData()" |
---|
| 590 | raise AttributeError, msg |
---|
| 591 | |
---|
| 592 | # Respond appropriately |
---|
| 593 | if index == 0: |
---|
| 594 | # Select All |
---|
[5032ea68] | 595 | for index in range(self.model.rowCount()): |
---|
| 596 | item = self.model.item(index) |
---|
| 597 | if item.isCheckable() and item.checkState() == QtCore.Qt.Unchecked: |
---|
[488c49d] | 598 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 599 | elif index == 1: |
---|
| 600 | # De-select All |
---|
[5032ea68] | 601 | for index in range(self.model.rowCount()): |
---|
| 602 | item = self.model.item(index) |
---|
| 603 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
---|
[488c49d] | 604 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 605 | |
---|
| 606 | elif index == 2: |
---|
| 607 | # Select All 1-D |
---|
[5032ea68] | 608 | for index in range(self.model.rowCount()): |
---|
| 609 | item = self.model.item(index) |
---|
[488c49d] | 610 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
[5032ea68] | 611 | |
---|
| 612 | try: |
---|
[0cd8612] | 613 | is1D = isinstance(item.child(0).data().toPyObject(), Data1D) |
---|
[5032ea68] | 614 | except AttributeError: |
---|
| 615 | msg = "Bad structure of the data model." |
---|
| 616 | raise RuntimeError, msg |
---|
| 617 | |
---|
| 618 | if is1D: |
---|
[488c49d] | 619 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 620 | |
---|
| 621 | elif index == 3: |
---|
| 622 | # Unselect All 1-D |
---|
[5032ea68] | 623 | for index in range(self.model.rowCount()): |
---|
| 624 | item = self.model.item(index) |
---|
| 625 | |
---|
| 626 | try: |
---|
[0cd8612] | 627 | is1D = isinstance(item.child(0).data().toPyObject(), Data1D) |
---|
[5032ea68] | 628 | except AttributeError: |
---|
| 629 | msg = "Bad structure of the data model." |
---|
| 630 | raise RuntimeError, msg |
---|
| 631 | |
---|
| 632 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked and is1D: |
---|
[488c49d] | 633 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 634 | |
---|
| 635 | elif index == 4: |
---|
| 636 | # Select All 2-D |
---|
[5032ea68] | 637 | for index in range(self.model.rowCount()): |
---|
| 638 | item = self.model.item(index) |
---|
| 639 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 640 | try: |
---|
[0cd8612] | 641 | is2D = isinstance(item.child(0).data().toPyObject(), Data2D) |
---|
[5032ea68] | 642 | except AttributeError: |
---|
| 643 | msg = "Bad structure of the data model." |
---|
| 644 | raise RuntimeError, msg |
---|
| 645 | |
---|
| 646 | if is2D: |
---|
[488c49d] | 647 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 648 | |
---|
| 649 | elif index == 5: |
---|
| 650 | # Unselect All 2-D |
---|
[5032ea68] | 651 | for index in range(self.model.rowCount()): |
---|
| 652 | item = self.model.item(index) |
---|
| 653 | |
---|
| 654 | try: |
---|
[0cd8612] | 655 | is2D = isinstance(item.child(0).data().toPyObject(), Data2D) |
---|
[5032ea68] | 656 | except AttributeError: |
---|
| 657 | msg = "Bad structure of the data model." |
---|
| 658 | raise RuntimeError, msg |
---|
| 659 | |
---|
| 660 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked and is2D: |
---|
[488c49d] | 661 | item.setCheckState(QtCore.Qt.Unchecked) |
---|
| 662 | |
---|
| 663 | else: |
---|
| 664 | msg = "Incorrect value in the Selection Option" |
---|
| 665 | # Change this to a proper logging action |
---|
| 666 | raise Exception, msg |
---|
| 667 | |
---|
[4b71e91] | 668 | def contextMenu(self): |
---|
[e540cd2] | 669 | """ |
---|
[4b71e91] | 670 | Define actions and layout of the right click context menu |
---|
[e540cd2] | 671 | """ |
---|
[4b71e91] | 672 | # Create a custom menu based on actions defined in the UI file |
---|
| 673 | self.context_menu = QtGui.QMenu(self) |
---|
| 674 | self.context_menu.addAction(self.actionDataInfo) |
---|
| 675 | self.context_menu.addAction(self.actionSaveAs) |
---|
| 676 | self.context_menu.addAction(self.actionQuickPlot) |
---|
| 677 | self.context_menu.addSeparator() |
---|
| 678 | self.context_menu.addAction(self.actionQuick3DPlot) |
---|
| 679 | self.context_menu.addAction(self.actionEditMask) |
---|
| 680 | |
---|
| 681 | # Define the callbacks |
---|
| 682 | self.actionDataInfo.triggered.connect(self.showDataInfo) |
---|
| 683 | self.actionSaveAs.triggered.connect(self.saveDataAs) |
---|
| 684 | self.actionQuickPlot.triggered.connect(self.quickDataPlot) |
---|
| 685 | self.actionQuick3DPlot.triggered.connect(self.quickData3DPlot) |
---|
| 686 | self.actionEditMask.triggered.connect(self.showEditDataMask) |
---|
[e540cd2] | 687 | |
---|
| 688 | def onCustomContextMenu(self, position): |
---|
| 689 | """ |
---|
[4b71e91] | 690 | Show the right-click context menu in the data treeview |
---|
[e540cd2] | 691 | """ |
---|
| 692 | index = self.treeView.indexAt(position) |
---|
| 693 | if index.isValid(): |
---|
[4b71e91] | 694 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 695 | # Find the mapped index |
---|
| 696 | orig_index = model_item.isCheckable() |
---|
| 697 | if orig_index: |
---|
| 698 | # Check the data to enable/disable actions |
---|
| 699 | is_2D = isinstance(model_item.child(0).data().toPyObject(), Data2D) |
---|
| 700 | self.actionQuick3DPlot.setEnabled(is_2D) |
---|
| 701 | self.actionEditMask.setEnabled(is_2D) |
---|
| 702 | # Fire up the menu |
---|
| 703 | self.context_menu.exec_(self.treeView.mapToGlobal(position)) |
---|
| 704 | |
---|
| 705 | def showDataInfo(self): |
---|
| 706 | """ |
---|
| 707 | Show a simple read-only text edit with data information. |
---|
| 708 | """ |
---|
| 709 | index = self.treeView.selectedIndexes()[0] |
---|
| 710 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 711 | data = model_item.child(0).data().toPyObject() |
---|
[28a84e9] | 712 | if isinstance(data, Data1D): |
---|
[4b71e91] | 713 | text_to_show = GuiUtils.retrieveData1d(data) |
---|
[28a84e9] | 714 | # Hardcoded sizes to enable full width rendering with default font |
---|
[4b71e91] | 715 | self.txt_widget.resize(420,600) |
---|
| 716 | else: |
---|
| 717 | text_to_show = GuiUtils.retrieveData2d(data) |
---|
[28a84e9] | 718 | # Hardcoded sizes to enable full width rendering with default font |
---|
[4b71e91] | 719 | self.txt_widget.resize(700,600) |
---|
| 720 | |
---|
| 721 | self.txt_widget.setReadOnly(True) |
---|
| 722 | self.txt_widget.setWindowFlags(QtCore.Qt.Window) |
---|
| 723 | self.txt_widget.setWindowIcon(QtGui.QIcon(":/res/ball.ico")) |
---|
| 724 | self.txt_widget.setWindowTitle("Data Info: %s" % data.filename) |
---|
| 725 | self.txt_widget.insertPlainText(text_to_show) |
---|
| 726 | |
---|
| 727 | self.txt_widget.show() |
---|
[28a84e9] | 728 | # Move the slider all the way up, if present |
---|
[4b71e91] | 729 | vertical_scroll_bar = self.txt_widget.verticalScrollBar() |
---|
| 730 | vertical_scroll_bar.triggerAction(QtGui.QScrollBar.SliderToMinimum) |
---|
| 731 | |
---|
| 732 | def saveDataAs(self): |
---|
| 733 | """ |
---|
[28a84e9] | 734 | Save the data points as either txt or xml |
---|
[4b71e91] | 735 | """ |
---|
[28a84e9] | 736 | index = self.treeView.selectedIndexes()[0] |
---|
| 737 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 738 | data = model_item.child(0).data().toPyObject() |
---|
| 739 | if isinstance(data, Data1D): |
---|
| 740 | GuiUtils.saveData1D(data) |
---|
| 741 | else: |
---|
| 742 | GuiUtils.saveData2D(data) |
---|
[4b71e91] | 743 | |
---|
| 744 | def quickDataPlot(self): |
---|
[1af348e] | 745 | """ |
---|
| 746 | Frozen plot - display an image of the plot |
---|
| 747 | """ |
---|
[39551a68] | 748 | index = self.treeView.selectedIndexes()[0] |
---|
| 749 | model_item = self.model.itemFromIndex(self.data_proxy.mapToSource(index)) |
---|
| 750 | data = model_item.child(0).data().toPyObject() |
---|
| 751 | |
---|
| 752 | dimension = 1 if isinstance(data, Data1D) else 2 |
---|
[1af348e] | 753 | |
---|
| 754 | # TODO: Replace this with the proper MaskPlotPanel from plottools |
---|
[39551a68] | 755 | new_plot = Plotter(self) |
---|
| 756 | new_plot.data(data) |
---|
| 757 | new_plot.plot(marker='o', linestyle='') |
---|
| 758 | |
---|
| 759 | # Update the global plot counter |
---|
| 760 | title = "Plot " + data.name |
---|
| 761 | new_plot.setWindowTitle(title) |
---|
| 762 | |
---|
| 763 | # Show the plot |
---|
| 764 | new_plot.show() |
---|
[4b71e91] | 765 | |
---|
| 766 | def quickData3DPlot(self): |
---|
| 767 | """ |
---|
| 768 | """ |
---|
| 769 | print "quickData3DPlot" |
---|
| 770 | pass |
---|
| 771 | |
---|
| 772 | def showEditDataMask(self): |
---|
| 773 | """ |
---|
| 774 | """ |
---|
| 775 | print "showEditDataMask" |
---|
[e540cd2] | 776 | pass |
---|
[f721030] | 777 | |
---|
[a281ab8] | 778 | def loadComplete(self, output): |
---|
[f721030] | 779 | """ |
---|
| 780 | Post message to status bar and update the data manager |
---|
| 781 | """ |
---|
[8cb6cd6] | 782 | assert isinstance(output, tuple) |
---|
[e540cd2] | 783 | |
---|
[9e426c1] | 784 | # Reset the model so the view gets updated. |
---|
[5032ea68] | 785 | self.model.reset() |
---|
[e540cd2] | 786 | self.communicator.progressBarUpdateSignal.emit(-1) |
---|
[a281ab8] | 787 | |
---|
| 788 | output_data = output[0] |
---|
| 789 | message = output[1] |
---|
[f721030] | 790 | # Notify the manager of the new data available |
---|
[f82ab8c] | 791 | self.communicator.statusBarUpdateSignal.emit(message) |
---|
| 792 | self.communicator.fileDataReceivedSignal.emit(output_data) |
---|
[a281ab8] | 793 | self.manager.add_data(data_list=output_data) |
---|
[f721030] | 794 | |
---|
| 795 | def updateModel(self, data, p_file): |
---|
| 796 | """ |
---|
[481ff26] | 797 | Add data and Info fields to the model item |
---|
[f721030] | 798 | """ |
---|
| 799 | # Structure of the model |
---|
| 800 | # checkbox + basename |
---|
[481ff26] | 801 | # |-------> Data.D object |
---|
[f721030] | 802 | # |-------> Info |
---|
| 803 | # |----> Title: |
---|
| 804 | # |----> Run: |
---|
| 805 | # |----> Type: |
---|
| 806 | # |----> Path: |
---|
| 807 | # |----> Process |
---|
| 808 | # |-----> process[0].name |
---|
[28a84e9] | 809 | # |-------> THEORIES |
---|
[f721030] | 810 | |
---|
| 811 | # Top-level item: checkbox with label |
---|
| 812 | checkbox_item = QtGui.QStandardItem(True) |
---|
| 813 | checkbox_item.setCheckable(True) |
---|
| 814 | checkbox_item.setCheckState(QtCore.Qt.Checked) |
---|
| 815 | checkbox_item.setText(os.path.basename(p_file)) |
---|
| 816 | |
---|
| 817 | # Add the actual Data1D/Data2D object |
---|
| 818 | object_item = QtGui.QStandardItem() |
---|
| 819 | object_item.setData(QtCore.QVariant(data)) |
---|
| 820 | |
---|
[488c49d] | 821 | checkbox_item.setChild(0, object_item) |
---|
| 822 | |
---|
[f721030] | 823 | # Add rows for display in the view |
---|
[0cd8612] | 824 | info_item = GuiUtils.infoFromData(data) |
---|
[f721030] | 825 | |
---|
[28a84e9] | 826 | # Set info_item as the first child |
---|
[488c49d] | 827 | checkbox_item.setChild(1, info_item) |
---|
[f721030] | 828 | |
---|
[28a84e9] | 829 | # Caption for the theories |
---|
| 830 | checkbox_item.setChild(2, QtGui.QStandardItem("THEORIES")) |
---|
| 831 | |
---|
[f721030] | 832 | # New row in the model |
---|
| 833 | self.model.appendRow(checkbox_item) |
---|
[481ff26] | 834 | |
---|
[28a84e9] | 835 | |
---|
[5032ea68] | 836 | def updateModelFromPerspective(self, model_item): |
---|
| 837 | """ |
---|
[a281ab8] | 838 | Receive an update model item from a perspective |
---|
| 839 | Make sure it is valid and if so, replace it in the model |
---|
[5032ea68] | 840 | """ |
---|
[a281ab8] | 841 | # Assert the correct type |
---|
[0cd8612] | 842 | if not isinstance(model_item, QtGui.QStandardItem): |
---|
[5032ea68] | 843 | msg = "Wrong data type returned from calculations." |
---|
| 844 | raise AttributeError, msg |
---|
[a281ab8] | 845 | |
---|
[1042dba] | 846 | # TODO: Assert other properties |
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[a281ab8] | 847 | |
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[5032ea68] | 848 | # Reset the view |
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| 849 | self.model.reset() |
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[1042dba] | 850 | |
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[5032ea68] | 851 | # Pass acting as a debugger anchor |
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| 852 | pass |
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[481ff26] | 853 | |
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[f721030] | 854 | |
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| 855 | if __name__ == "__main__": |
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| 856 | app = QtGui.QApplication([]) |
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| 857 | dlg = DataExplorerWindow() |
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| 858 | dlg.show() |
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[481ff26] | 859 | sys.exit(app.exec_()) |
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