[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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[cf8d6c9] | 67 | rect = textRect.topLeft() |
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| 68 | x = rect.x() |
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| 69 | y = rect.y() |
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| 70 | x += 3.0 # magic value for rendering nice display in the table |
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| 71 | y += 2.0 # magic value for rendering nice display in the table |
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| 72 | rect.setX(x) |
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| 73 | rect.setY(y) |
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| 74 | painter.translate(rect) |
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| 75 | painter.setClipRect(textRect.translated(-rect)) |
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[6011788] | 76 | # Draw the QTextDocument in the cell |
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| 77 | doc.documentLayout().draw(painter, context) |
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| 78 | painter.restore() |
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| 79 | else: |
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| 80 | # Just the default paint |
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[4992ff2] | 81 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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[6011788] | 82 | |
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| 83 | def createEditor(self, widget, option, index): |
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| 84 | """ |
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| 85 | Overwrite generic editor for certain columns |
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| 86 | """ |
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| 87 | if not index.isValid(): |
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| 88 | return 0 |
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[8f2548c] | 89 | if index.column() == self.param_value: #only in the value column |
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[4992ff2] | 90 | editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 91 | validator = GuiUtils.DoubleValidator() |
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[6011788] | 92 | editor.setValidator(validator) |
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| 93 | return editor |
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[fde5bcd] | 94 | if index.column() in [self.param_property, self.param_error, self.param_unit]: |
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[0d13814] | 95 | # Set some columns uneditable |
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| 96 | return None |
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[6011788] | 97 | |
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| 98 | return super(ModelViewDelegate, self).createEditor(widget, option, index) |
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| 99 | |
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[00b3b40] | 100 | def setModelData(self, editor, model, index): |
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| 101 | """ |
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| 102 | Overwrite generic model update method for certain columns |
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| 103 | """ |
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[8f2548c] | 104 | if index.column() in (self.param_min, self.param_max): |
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[6011788] | 105 | try: |
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[00b3b40] | 106 | value_float = float(editor.text()) |
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[6011788] | 107 | except ValueError: |
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[00b3b40] | 108 | # TODO: present the failure to the user |
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| 109 | # balloon popup? tooltip? cell background colour flash? |
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[6011788] | 110 | return |
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[4992ff2] | 111 | QtWidgets.QStyledItemDelegate.setModelData(self, editor, model, index) |
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[6011788] | 112 | |
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| 113 | |
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[4992ff2] | 114 | class PolyViewDelegate(QtWidgets.QStyledItemDelegate): |
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[6011788] | 115 | """ |
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[00b3b40] | 116 | Custom delegate for appearance and behavior control of the polydispersity view |
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[6011788] | 117 | """ |
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[e43fc91] | 118 | POLYDISPERSE_FUNCTIONS = ['rectangle', 'array', 'lognormal', 'gaussian', 'schulz'] |
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[06b0138] | 119 | |
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[aca8418] | 120 | combo_updated = QtCore.pyqtSignal(str, int) |
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[e43fc91] | 121 | filename_updated = QtCore.pyqtSignal(int) |
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[06b0138] | 122 | |
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[8eaa101] | 123 | def __init__(self, parent=None): |
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| 124 | """ |
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| 125 | Overwrite generic constructor to allow for some globals |
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| 126 | """ |
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[4992ff2] | 127 | super(QtWidgets.QStyledItemDelegate, self).__init__() |
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[8eaa101] | 128 | |
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| 129 | self.poly_parameter = 0 |
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| 130 | self.poly_pd = 1 |
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| 131 | self.poly_min = 2 |
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| 132 | self.poly_max = 3 |
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| 133 | self.poly_npts = 4 |
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| 134 | self.poly_nsigs = 5 |
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| 135 | self.poly_function = 6 |
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[e43fc91] | 136 | self.poly_filename = 7 |
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[8eaa101] | 137 | |
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| 138 | def editableParameters(self): |
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[7ffa5ee9] | 139 | return [self.poly_pd, self.poly_min, self.poly_max, self.poly_npts, self.poly_nsigs] |
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[8eaa101] | 140 | |
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| 141 | def columnDict(self): |
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| 142 | return {self.poly_pd: 'width', |
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| 143 | self.poly_min: 'min', |
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| 144 | self.poly_max: 'max', |
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| 145 | self.poly_npts: 'npts', |
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| 146 | self.poly_nsigs: 'nsigmas'} |
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| 147 | |
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| 148 | def addErrorColumn(self): |
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| 149 | """ |
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| 150 | Modify local column pointers |
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| 151 | Note: the reverse is never required! |
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| 152 | """ |
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| 153 | self.poly_parameter = 0 |
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| 154 | self.poly_pd = 1 |
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| 155 | self.poly_min = 3 |
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| 156 | self.poly_max = 4 |
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| 157 | self.poly_npts = 5 |
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| 158 | self.poly_nsigs = 6 |
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| 159 | self.poly_function = 7 |
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[e43fc91] | 160 | self.poly_filename = 8 |
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[8eaa101] | 161 | |
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[00b3b40] | 162 | def createEditor(self, widget, option, index): |
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| 163 | # Remember the current choice |
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[aca8418] | 164 | if not index.isValid(): |
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| 165 | return 0 |
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[e43fc91] | 166 | elif index.column() == self.poly_filename: |
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| 167 | # Notify the widget that we want to change the filename |
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| 168 | self.filename_updated.emit(index.row()) |
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| 169 | return None |
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[8eaa101] | 170 | elif index.column() in self.editableParameters(): |
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[4992ff2] | 171 | self.editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 172 | validator = GuiUtils.DoubleValidator() |
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[e43fc91] | 173 | self.editor.setValidator(validator) |
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| 174 | return self.editor |
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[6011788] | 175 | else: |
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[4992ff2] | 176 | QtWidgets.QStyledItemDelegate.createEditor(self, widget, option, index) |
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[aca8418] | 177 | |
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| 178 | def paint(self, painter, option, index): |
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| 179 | """ |
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| 180 | Overwrite generic painter for certain columns |
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| 181 | """ |
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[97df8a9] | 182 | if index.column() in (self.poly_pd, self.poly_min, self.poly_max): |
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[aca8418] | 183 | # Units - present in nice HTML |
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[4992ff2] | 184 | options = QtWidgets.QStyleOptionViewItem(option) |
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[aca8418] | 185 | self.initStyleOption(options,index) |
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| 186 | |
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[7969b9c] | 187 | style = QtWidgets.QApplication.style() if options.widget is None else options.widget.style() |
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[b00414d] | 188 | |
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| 189 | # Prepare document for inserting into cell |
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| 190 | doc = QtGui.QTextDocument() |
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[cf8d6c9] | 191 | current_font = painter.font() |
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| 192 | doc.setDefaultFont(current_font) |
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[b00414d] | 193 | # Convert the unit description into HTML |
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| 194 | text_html = GuiUtils.convertUnitToHTML(str(options.text)) |
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| 195 | doc.setHtml(text_html) |
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| 196 | |
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| 197 | # delete the original content |
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| 198 | options.text = "" |
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[4992ff2] | 199 | style.drawControl(QtWidgets.QStyle.CE_ItemViewItem, options, painter, options.widget); |
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[b00414d] | 200 | |
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| 201 | context = QtGui.QAbstractTextDocumentLayout.PaintContext() |
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[4992ff2] | 202 | textRect = style.subElementRect(QtWidgets.QStyle.SE_ItemViewItemText, options) |
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[b00414d] | 203 | painter.save() |
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[cf8d6c9] | 204 | |
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| 205 | rect = textRect.topLeft() |
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| 206 | y = rect.y() |
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| 207 | y += 5.0 # magic value for rendering nice display in the table |
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| 208 | rect.setY(y) |
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| 209 | painter.translate(rect) |
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| 210 | painter.setClipRect(textRect.translated(-rect)) |
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[b00414d] | 211 | # Draw the QTextDocument in the cell |
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| 212 | doc.documentLayout().draw(painter, context) |
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| 213 | painter.restore() |
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| 214 | else: |
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| 215 | # Just the default paint |
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[4992ff2] | 216 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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[b00414d] | 217 | |
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[4992ff2] | 218 | class MagnetismViewDelegate(QtWidgets.QStyledItemDelegate): |
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[b00414d] | 219 | """ |
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| 220 | Custom delegate for appearance and behavior control of the magnetism view |
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| 221 | """ |
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| 222 | def __init__(self, parent=None): |
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| 223 | """ |
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| 224 | Overwrite generic constructor to allow for some globals |
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| 225 | """ |
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[4992ff2] | 226 | super(QtWidgets.QStyledItemDelegate, self).__init__() |
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[b00414d] | 227 | |
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| 228 | self.mag_parameter = 0 |
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| 229 | self.mag_value = 1 |
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| 230 | self.mag_min = 2 |
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| 231 | self.mag_max = 3 |
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| 232 | self.mag_unit = 4 |
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| 233 | |
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| 234 | def editableParameters(self): |
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[02f1d12] | 235 | return [self.mag_value, self.mag_min, self.mag_max] |
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[b00414d] | 236 | |
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| 237 | def addErrorColumn(self): |
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| 238 | """ |
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| 239 | Modify local column pointers |
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| 240 | Note: the reverse is never required! |
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| 241 | """ |
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| 242 | self.mag_parameter = 0 |
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| 243 | self.mag_value = 1 |
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| 244 | self.mag_min = 3 |
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| 245 | self.mag_max = 4 |
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| 246 | self.mag_unit = 5 |
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| 247 | |
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| 248 | def createEditor(self, widget, option, index): |
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| 249 | # Remember the current choice |
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[fbfc488] | 250 | current_text = index.data() |
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[b00414d] | 251 | if not index.isValid(): |
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| 252 | return 0 |
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| 253 | if index.column() in self.editableParameters(): |
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[4992ff2] | 254 | editor = QtWidgets.QLineEdit(widget) |
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[d6b8a1d] | 255 | validator = GuiUtils.DoubleValidator() |
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[b00414d] | 256 | editor.setValidator(validator) |
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| 257 | return editor |
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| 258 | else: |
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[4992ff2] | 259 | QtWidgets.QStyledItemDelegate.createEditor(self, widget, option, index) |
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[b00414d] | 260 | |
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| 261 | def paint(self, painter, option, index): |
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| 262 | """ |
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| 263 | Overwrite generic painter for certain columns |
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| 264 | """ |
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[97df8a9] | 265 | if index.column() in (self.mag_value, self.mag_min, self.mag_max, self.mag_unit): |
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[b00414d] | 266 | # Units - present in nice HTML |
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[4992ff2] | 267 | options = QtWidgets.QStyleOptionViewItem(option) |
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[b00414d] | 268 | self.initStyleOption(options,index) |
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| 269 | |
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[7969b9c] | 270 | style = QtWidgets.QApplication.style() if options.widget is None else options.widget.style() |
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[aca8418] | 271 | |
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| 272 | # Prepare document for inserting into cell |
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| 273 | doc = QtGui.QTextDocument() |
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[cf8d6c9] | 274 | current_font = painter.font() |
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| 275 | doc.setDefaultFont(current_font) |
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[aca8418] | 276 | # Convert the unit description into HTML |
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| 277 | text_html = GuiUtils.convertUnitToHTML(str(options.text)) |
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| 278 | doc.setHtml(text_html) |
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| 279 | |
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| 280 | # delete the original content |
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| 281 | options.text = "" |
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[4992ff2] | 282 | style.drawControl(QtWidgets.QStyle.CE_ItemViewItem, options, painter, options.widget); |
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[aca8418] | 283 | |
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| 284 | context = QtGui.QAbstractTextDocumentLayout.PaintContext() |
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[4992ff2] | 285 | textRect = style.subElementRect(QtWidgets.QStyle.SE_ItemViewItemText, options) |
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[aca8418] | 286 | |
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| 287 | painter.save() |
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[cf8d6c9] | 288 | rect = textRect.topLeft() |
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| 289 | y = rect.y() |
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[8e2cd79] | 290 | y += 6.0 # magic value for rendering nice display in the table |
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[cf8d6c9] | 291 | rect.setY(y) |
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| 292 | painter.translate(rect) |
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| 293 | painter.setClipRect(textRect.translated(-rect)) |
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[aca8418] | 294 | # Draw the QTextDocument in the cell |
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| 295 | doc.documentLayout().draw(painter, context) |
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| 296 | painter.restore() |
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| 297 | else: |
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| 298 | # Just the default paint |
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[4992ff2] | 299 | QtWidgets.QStyledItemDelegate.paint(self, painter, option, index) |
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