[4992ff2] | 1 | from PyQt5 import QtCore |
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| 2 | from PyQt5 import QtGui |
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| 3 | from PyQt5 import QtWidgets |
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[ad6b4e2] | 4 | |
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| 5 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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[6011788] | 6 | |
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[4992ff2] | 7 | class ModelViewDelegate(QtWidgets.QStyledItemDelegate): |
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[6011788] | 8 | """ |
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| 9 | Custom delegate for appearance and behavior control of the model view |
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| 10 | """ |
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[8f2548c] | 11 | def __init__(self, parent=None): |
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| 12 | """ |
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| 13 | Overwrite generic constructor to allow for some globals |
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| 14 | """ |
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[4992ff2] | 15 | super(QtWidgets.QStyledItemDelegate, self).__init__() |
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[8f2548c] | 16 | |
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| 17 | # Main parameter table view columns |
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| 18 | self.param_error=-1 |
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| 19 | self.param_property=0 |
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| 20 | self.param_value=1 |
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| 21 | self.param_min=2 |
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[16afe01] | 22 | self.param_max=3 |
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| 23 | self.param_unit=4 |
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[8f2548c] | 24 | |
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[16afe01] | 25 | def fancyColumns(self): |
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| 26 | return [self.param_value, self.param_min, self.param_max, self.param_unit] |
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[8f2548c] | 27 | |
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| 28 | def addErrorColumn(self): |
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| 29 | """ |
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| 30 | Modify local column pointers |
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| 31 | Note: the reverse is never required! |
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| 32 | """ |
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| 33 | self.param_property=0 |
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| 34 | self.param_value=1 |
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| 35 | self.param_error=2 |
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| 36 | self.param_min=3 |
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| 37 | self.param_max=4 |
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| 38 | self.param_unit=5 |
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[06b0138] | 39 | |
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[6011788] | 40 | def paint(self, painter, option, index): |
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| 41 | """ |
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| 42 | Overwrite generic painter for certain columns |
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| 43 | """ |
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[16afe01] | 44 | if index.column() in self.fancyColumns(): |
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[6011788] | 45 | # Units - present in nice HTML |
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[4992ff2] | 46 | options = QtWidgets.QStyleOptionViewItem(option) |
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[6011788] | 47 | self.initStyleOption(options,index) |
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[2a432e7] | 48 | |
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[7969b9c] | 49 | style = QtWidgets.QApplication.style() if options.widget is None else options.widget.style() |
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[6011788] | 50 | |
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| 51 | # Prepare document for inserting into cell |
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| 52 | doc = QtGui.QTextDocument() |
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| 53 | |
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| 54 | # Convert the unit description into HTML |
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| 55 | text_html = GuiUtils.convertUnitToHTML(str(options.text)) |
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| 56 | doc.setHtml(text_html) |
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[ee7e423] | 57 | doc.setDocumentMargin(1) |
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[6011788] | 58 | |
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| 59 | # delete the original content |
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| 60 | options.text = "" |
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[4992ff2] | 61 | style.drawControl(QtWidgets.QStyle.CE_ItemViewItem, options, painter, options.widget); |
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[6011788] | 62 | |
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| 63 | context = QtGui.QAbstractTextDocumentLayout.PaintContext() |
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[4992ff2] | 64 | textRect = style.subElementRect(QtWidgets.QStyle.SE_ItemViewItemText, options) |
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[6011788] | 65 | |
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| 66 | painter.save() |
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| 67 | painter.translate(textRect.topLeft()) |
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| 68 | painter.setClipRect(textRect.translated(-textRect.topLeft())) |
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| 69 | # Draw the QTextDocument in the cell |
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| 70 | doc.documentLayout().draw(painter, context) |
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| 71 | painter.restore() |
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| 72 | else: |
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| 73 | # Just the default paint |
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[4992ff2] | 74 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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[6011788] | 75 | |
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| 76 | def createEditor(self, widget, option, index): |
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| 77 | """ |
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| 78 | Overwrite generic editor for certain columns |
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| 79 | """ |
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| 80 | if not index.isValid(): |
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| 81 | return 0 |
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[8f2548c] | 82 | if index.column() == self.param_value: #only in the value column |
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[4992ff2] | 83 | editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 84 | validator = GuiUtils.DoubleValidator() |
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[6011788] | 85 | editor.setValidator(validator) |
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| 86 | return editor |
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[fde5bcd] | 87 | if index.column() in [self.param_property, self.param_error, self.param_unit]: |
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[0d13814] | 88 | # Set some columns uneditable |
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| 89 | return None |
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[6011788] | 90 | |
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| 91 | return super(ModelViewDelegate, self).createEditor(widget, option, index) |
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| 92 | |
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[00b3b40] | 93 | def setModelData(self, editor, model, index): |
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| 94 | """ |
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| 95 | Overwrite generic model update method for certain columns |
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| 96 | """ |
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[8f2548c] | 97 | if index.column() in (self.param_min, self.param_max): |
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[6011788] | 98 | try: |
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[00b3b40] | 99 | value_float = float(editor.text()) |
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[6011788] | 100 | except ValueError: |
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[00b3b40] | 101 | # TODO: present the failure to the user |
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| 102 | # balloon popup? tooltip? cell background colour flash? |
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[6011788] | 103 | return |
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[4992ff2] | 104 | QtWidgets.QStyledItemDelegate.setModelData(self, editor, model, index) |
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[6011788] | 105 | |
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| 106 | |
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[4992ff2] | 107 | class PolyViewDelegate(QtWidgets.QStyledItemDelegate): |
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[6011788] | 108 | """ |
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[00b3b40] | 109 | Custom delegate for appearance and behavior control of the polydispersity view |
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[6011788] | 110 | """ |
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[e43fc91] | 111 | POLYDISPERSE_FUNCTIONS = ['rectangle', 'array', 'lognormal', 'gaussian', 'schulz'] |
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[06b0138] | 112 | |
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[aca8418] | 113 | combo_updated = QtCore.pyqtSignal(str, int) |
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[e43fc91] | 114 | filename_updated = QtCore.pyqtSignal(int) |
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[06b0138] | 115 | |
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[8eaa101] | 116 | def __init__(self, parent=None): |
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| 117 | """ |
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| 118 | Overwrite generic constructor to allow for some globals |
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| 119 | """ |
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[4992ff2] | 120 | super(QtWidgets.QStyledItemDelegate, self).__init__() |
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[8eaa101] | 121 | |
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| 122 | self.poly_parameter = 0 |
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| 123 | self.poly_pd = 1 |
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| 124 | self.poly_min = 2 |
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| 125 | self.poly_max = 3 |
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| 126 | self.poly_npts = 4 |
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| 127 | self.poly_nsigs = 5 |
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| 128 | self.poly_function = 6 |
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[e43fc91] | 129 | self.poly_filename = 7 |
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[8eaa101] | 130 | |
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| 131 | def editableParameters(self): |
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[7ffa5ee9] | 132 | return [self.poly_pd, self.poly_min, self.poly_max, self.poly_npts, self.poly_nsigs] |
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[8eaa101] | 133 | |
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| 134 | def columnDict(self): |
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| 135 | return {self.poly_pd: 'width', |
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| 136 | self.poly_min: 'min', |
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| 137 | self.poly_max: 'max', |
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| 138 | self.poly_npts: 'npts', |
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| 139 | self.poly_nsigs: 'nsigmas'} |
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| 140 | |
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| 141 | def addErrorColumn(self): |
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| 142 | """ |
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| 143 | Modify local column pointers |
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| 144 | Note: the reverse is never required! |
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| 145 | """ |
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| 146 | self.poly_parameter = 0 |
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| 147 | self.poly_pd = 1 |
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| 148 | self.poly_min = 3 |
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| 149 | self.poly_max = 4 |
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| 150 | self.poly_npts = 5 |
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| 151 | self.poly_nsigs = 6 |
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| 152 | self.poly_function = 7 |
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[e43fc91] | 153 | self.poly_filename = 8 |
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[8eaa101] | 154 | |
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[00b3b40] | 155 | def createEditor(self, widget, option, index): |
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| 156 | # Remember the current choice |
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[aca8418] | 157 | if not index.isValid(): |
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| 158 | return 0 |
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[e43fc91] | 159 | elif index.column() == self.poly_filename: |
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| 160 | # Notify the widget that we want to change the filename |
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| 161 | self.filename_updated.emit(index.row()) |
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| 162 | return None |
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[8eaa101] | 163 | elif index.column() in self.editableParameters(): |
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[4992ff2] | 164 | self.editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 165 | validator = GuiUtils.DoubleValidator() |
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[e43fc91] | 166 | self.editor.setValidator(validator) |
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| 167 | return self.editor |
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[6011788] | 168 | else: |
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[4992ff2] | 169 | QtWidgets.QStyledItemDelegate.createEditor(self, widget, option, index) |
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[aca8418] | 170 | |
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| 171 | def paint(self, painter, option, index): |
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| 172 | """ |
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| 173 | Overwrite generic painter for certain columns |
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| 174 | """ |
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[8eaa101] | 175 | if index.column() in (self.poly_min, self.poly_max): |
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[aca8418] | 176 | # Units - present in nice HTML |
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[4992ff2] | 177 | options = QtWidgets.QStyleOptionViewItem(option) |
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[aca8418] | 178 | self.initStyleOption(options,index) |
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| 179 | |
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[7969b9c] | 180 | style = QtWidgets.QApplication.style() if options.widget is None else options.widget.style() |
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[b00414d] | 181 | |
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| 182 | # Prepare document for inserting into cell |
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| 183 | doc = QtGui.QTextDocument() |
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| 184 | |
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| 185 | # Convert the unit description into HTML |
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| 186 | text_html = GuiUtils.convertUnitToHTML(str(options.text)) |
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| 187 | doc.setHtml(text_html) |
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| 188 | |
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| 189 | # delete the original content |
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| 190 | options.text = "" |
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[4992ff2] | 191 | style.drawControl(QtWidgets.QStyle.CE_ItemViewItem, options, painter, options.widget); |
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[b00414d] | 192 | |
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| 193 | context = QtGui.QAbstractTextDocumentLayout.PaintContext() |
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[4992ff2] | 194 | textRect = style.subElementRect(QtWidgets.QStyle.SE_ItemViewItemText, options) |
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[b00414d] | 195 | |
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| 196 | painter.save() |
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| 197 | painter.translate(textRect.topLeft()) |
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| 198 | painter.setClipRect(textRect.translated(-textRect.topLeft())) |
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| 199 | # Draw the QTextDocument in the cell |
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| 200 | doc.documentLayout().draw(painter, context) |
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| 201 | painter.restore() |
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| 202 | else: |
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| 203 | # Just the default paint |
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[4992ff2] | 204 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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[b00414d] | 205 | |
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[4992ff2] | 206 | class MagnetismViewDelegate(QtWidgets.QStyledItemDelegate): |
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[b00414d] | 207 | """ |
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| 208 | Custom delegate for appearance and behavior control of the magnetism view |
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| 209 | """ |
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| 210 | def __init__(self, parent=None): |
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| 211 | """ |
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| 212 | Overwrite generic constructor to allow for some globals |
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| 213 | """ |
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[4992ff2] | 214 | super(QtWidgets.QStyledItemDelegate, self).__init__() |
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[b00414d] | 215 | |
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| 216 | self.mag_parameter = 0 |
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| 217 | self.mag_value = 1 |
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| 218 | self.mag_min = 2 |
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| 219 | self.mag_max = 3 |
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| 220 | self.mag_unit = 4 |
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| 221 | |
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| 222 | def editableParameters(self): |
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[02f1d12] | 223 | return [self.mag_value, self.mag_min, self.mag_max] |
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[b00414d] | 224 | |
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| 225 | def addErrorColumn(self): |
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| 226 | """ |
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| 227 | Modify local column pointers |
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| 228 | Note: the reverse is never required! |
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| 229 | """ |
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| 230 | self.mag_parameter = 0 |
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| 231 | self.mag_value = 1 |
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| 232 | self.mag_min = 3 |
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| 233 | self.mag_max = 4 |
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| 234 | self.mag_unit = 5 |
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| 235 | |
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| 236 | def createEditor(self, widget, option, index): |
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| 237 | # Remember the current choice |
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[fbfc488] | 238 | current_text = index.data() |
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[b00414d] | 239 | if not index.isValid(): |
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| 240 | return 0 |
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| 241 | if index.column() in self.editableParameters(): |
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[4992ff2] | 242 | editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 243 | validator = GuiUtils.DoubleValidator() |
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[b00414d] | 244 | editor.setValidator(validator) |
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| 245 | return editor |
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| 246 | else: |
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[4992ff2] | 247 | QtWidgets.QStyledItemDelegate.createEditor(self, widget, option, index) |
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[b00414d] | 248 | |
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| 249 | def paint(self, painter, option, index): |
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| 250 | """ |
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| 251 | Overwrite generic painter for certain columns |
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| 252 | """ |
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[0d13814] | 253 | if index.column() in (self.mag_min, self.mag_max, self.mag_unit): |
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[b00414d] | 254 | # Units - present in nice HTML |
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[4992ff2] | 255 | options = QtWidgets.QStyleOptionViewItem(option) |
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[b00414d] | 256 | self.initStyleOption(options,index) |
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| 257 | |
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[7969b9c] | 258 | style = QtWidgets.QApplication.style() if options.widget is None else options.widget.style() |
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[aca8418] | 259 | |
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| 260 | # Prepare document for inserting into cell |
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| 261 | doc = QtGui.QTextDocument() |
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| 262 | |
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| 263 | # Convert the unit description into HTML |
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| 264 | text_html = GuiUtils.convertUnitToHTML(str(options.text)) |
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| 265 | doc.setHtml(text_html) |
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| 266 | |
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| 267 | # delete the original content |
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| 268 | options.text = "" |
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[4992ff2] | 269 | style.drawControl(QtWidgets.QStyle.CE_ItemViewItem, options, painter, options.widget); |
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[aca8418] | 270 | |
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| 271 | context = QtGui.QAbstractTextDocumentLayout.PaintContext() |
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[4992ff2] | 272 | textRect = style.subElementRect(QtWidgets.QStyle.SE_ItemViewItemText, options) |
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[aca8418] | 273 | |
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| 274 | painter.save() |
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| 275 | painter.translate(textRect.topLeft()) |
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| 276 | painter.setClipRect(textRect.translated(-textRect.topLeft())) |
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| 277 | # Draw the QTextDocument in the cell |
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| 278 | doc.documentLayout().draw(painter, context) |
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| 279 | painter.restore() |
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| 280 | else: |
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| 281 | # Just the default paint |
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[4992ff2] | 282 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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