eric6/Debugger/BreakPointModel.py

Mon, 12 Oct 2020 18:23:44 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 12 Oct 2020 18:23:44 +0200
changeset 7780
41420f82c0ac
parent 7360
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child 7882
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child 7924
8a96736d465e
permissions
-rw-r--r--

Performed some code cleanup.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2020 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the Breakpoint model.
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8 """
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9
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10 from PyQt5.QtCore import pyqtSignal, Qt, QAbstractItemModel, QModelIndex
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11
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12
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13 class BreakPointModel(QAbstractItemModel):
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14 """
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15 Class implementing a custom model for breakpoints.
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16
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17 @signal dataAboutToBeChanged(QModelIndex, QModelIndex) emitted to indicate
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18 a change of the data
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19 """
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20 dataAboutToBeChanged = pyqtSignal(QModelIndex, QModelIndex)
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21
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22 def __init__(self, parent=None):
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23 """
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24 Constructor
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25
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26 @param parent reference to the parent widget (QObject)
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27 """
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28 super(BreakPointModel, self).__init__(parent)
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29
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30 self.breakpoints = []
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31 self.header = [
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32 self.tr("Filename"),
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33 self.tr("Line"),
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34 self.tr('Condition'),
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35 self.tr('Temporary'),
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36 self.tr('Enabled'),
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37 self.tr('Ignore Count'),
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38 ]
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39 self.alignments = [Qt.Alignment(Qt.AlignLeft),
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40 Qt.Alignment(Qt.AlignRight),
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41 Qt.Alignment(Qt.AlignLeft),
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42 Qt.Alignment(Qt.AlignHCenter),
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43 Qt.Alignment(Qt.AlignHCenter),
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44 Qt.Alignment(Qt.AlignRight),
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45 Qt.Alignment(Qt.AlignHCenter),
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46 ]
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47
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48 def columnCount(self, parent=None):
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49 """
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50 Public method to get the current column count.
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51
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52 @param parent reference to parent index (QModelIndex) (Unused)
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53 @return column count (integer)
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54 """
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55 return len(self.header)
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56
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57 def rowCount(self, parent=None):
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58 """
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59 Public method to get the current row count.
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60
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61 @param parent reference to parent index (QModelIndex)
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62 @return row count (integer)
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63 """
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64 # we do not have a tree, parent should always be invalid
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65 if parent is None or not parent.isValid():
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66 return len(self.breakpoints)
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67 else:
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68 return 0
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69
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70 def data(self, index, role=Qt.DisplayRole):
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71 """
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72 Public method to get the requested data.
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73
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74 @param index index of the requested data (QModelIndex)
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75 @param role role of the requested data (Qt.ItemDataRole)
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76 @return the requested data
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77 """
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78 if not index.isValid():
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79 return None
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80
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81 if role == Qt.DisplayRole:
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82 if index.column() in [0, 1, 2, 5]:
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83 return self.breakpoints[index.row()][index.column()]
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84
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85 if role == Qt.CheckStateRole:
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86 if index.column() in [3, 4]:
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87 return self.breakpoints[index.row()][index.column()]
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88
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89 if role == Qt.ToolTipRole:
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90 if index.column() in [0, 2]:
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91 return self.breakpoints[index.row()][index.column()]
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92
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93 if role == Qt.TextAlignmentRole:
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94 if index.column() < len(self.alignments):
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95 return self.alignments[index.column()]
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96
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97 return None
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98
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99 def setData(self, index, value, role=Qt.EditRole):
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100 """
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101 Public method to change data in the model.
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102
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103 @param index index of the changed data (QModelIndex)
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104 @param value value of the changed data
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105 @param role role of the changed data (Qt.ItemDataRole)
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106 @return flag indicating success (boolean)
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107 """
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108 if (not index.isValid() or
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109 index.column() >= len(self.header) or
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110 index.row() >= len(self.breakpoints)):
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111 return False
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112
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113 self.dataAboutToBeChanged.emit(index, index)
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114 self.breakpoints[index.row()][index.column()] = value
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115 self.dataChanged.emit(index, index)
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116 return True
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117
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118 def flags(self, index):
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119 """
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120 Public method to get item flags.
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121
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122 @param index index of the requested flags (QModelIndex)
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123 @return item flags for the given index (Qt.ItemFlags)
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124 """
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125 if not index.isValid():
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126 return Qt.ItemIsEnabled
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parents:
diff changeset
127
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parents:
diff changeset
128 return Qt.ItemIsEnabled | Qt.ItemIsSelectable
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129
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130 def headerData(self, section, orientation, role=Qt.DisplayRole):
0
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parents:
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131 """
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parents:
diff changeset
132 Public method to get header data.
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parents:
diff changeset
133
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parents:
diff changeset
134 @param section section number of the requested header data (integer)
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parents:
diff changeset
135 @param orientation orientation of the header (Qt.Orientation)
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parents:
diff changeset
136 @param role role of the requested data (Qt.ItemDataRole)
7
c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
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parents: 0
diff changeset
137 @return header data
0
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parents:
diff changeset
138 """
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
139 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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parents:
diff changeset
140 if section >= len(self.header):
7
c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
141 return ""
0
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parents:
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142 else:
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parents:
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143 return self.header[section]
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parents:
diff changeset
144
7
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
145 return None
0
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parents:
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146
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
147 def index(self, row, column, parent=None):
0
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parents:
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148 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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149 Public method to create an index.
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parents:
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150
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parents:
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151 @param row row number for the index (integer)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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152 @param column column number for the index (integer)
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parents:
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153 @param parent index of the parent item (QModelIndex)
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parents:
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154 @return requested index (QModelIndex)
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parents:
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155 """
7251
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
156 if ((parent and parent.isValid()) or
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
157 row < 0 or row >= len(self.breakpoints) or
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
158 column < 0 or column >= len(self.header)):
0
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parents:
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159 return QModelIndex()
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parents:
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160
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parents:
diff changeset
161 return self.createIndex(row, column, self.breakpoints[row])
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parents:
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162
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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163 def parent(self, index):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 Public method to get the parent index.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166
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parents:
diff changeset
167 @param index index of item to get parent (QModelIndex)
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parents:
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168 @return index of parent (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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170 return QModelIndex()
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parents:
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171
5656
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
172 def hasChildren(self, parent=None):
0
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parents:
diff changeset
173 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 Public method to check for the presence of child items.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175
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parents:
diff changeset
176 @param parent index of parent item (QModelIndex)
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parents:
diff changeset
177 @return flag indicating the presence of child items (boolean)
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parents:
diff changeset
178 """
5656
9c21b2746218 Fixed a few code style issues related to the usage of class instances for default arguments.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
179 if parent is None or not parent.isValid():
0
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parents:
diff changeset
180 return len(self.breakpoints) > 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 return False
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183
2988
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
184 ###########################################################################
0
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parents:
diff changeset
185
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 def addBreakPoint(self, fn, line, properties):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 Public method to add a new breakpoint to the list.
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
189
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 @param fn filename of the breakpoint (string)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 @param line line number of the breakpoint (integer)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
192 @param properties properties of the breakpoint
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
193 (tuple of condition (string), temporary flag (bool),
0
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parents:
diff changeset
194 enabled flag (bool), ignore count (integer))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 bp = [fn, line] + list(properties)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
197 cnt = len(self.breakpoints)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 self.beginInsertRows(QModelIndex(), cnt, cnt)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
199 self.breakpoints.append(bp)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 self.endInsertRows()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 def setBreakPointByIndex(self, index, fn, line, properties):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 Public method to set the values of a breakpoint given by index.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 @param index index of the breakpoint (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 @param fn filename of the breakpoint (string)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 @param line line number of the breakpoint (integer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 @param properties properties of the breakpoint
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
210 (tuple of condition (string), temporary flag (bool),
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 enabled flag (bool), ignore count (integer))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 index1 = self.createIndex(row, 0, self.breakpoints[row])
3021
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2988
diff changeset
216 index2 = self.createIndex(
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2988
diff changeset
217 row, len(self.breakpoints[row]), self.breakpoints[row])
460
6a3899e91d76 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
218 self.dataAboutToBeChanged.emit(index1, index2)
1758
e18f96b1714b A few optimizations and a fix for a bug, that caused incorrect display of breakpoints in the editor margin.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
219 self.breakpoints[row] = [fn, line] + list(properties)
2126
3744863a534e Reverted the dataChanged signal change due to corrections in PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
220 self.dataChanged.emit(index1, index2)
0
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parents:
diff changeset
221
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 def setBreakPointEnabledByIndex(self, index, enabled):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 Public method to set the enabled state of a breakpoint given by index.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 @param index index of the breakpoint (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 @param enabled flag giving the enabled state (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 col = 4
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 index1 = self.createIndex(row, col, self.breakpoints[row])
460
6a3899e91d76 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
233 self.dataAboutToBeChanged.emit(index1, index1)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 self.breakpoints[row][col] = enabled
2126
3744863a534e Reverted the dataChanged signal change due to corrections in PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
235 self.dataChanged.emit(index1, index1)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 def deleteBreakPointByIndex(self, index):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 Public method to set the values of a breakpoint given by index.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 @param index index of the breakpoint (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 self.beginRemoveRows(QModelIndex(), row, row)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 del self.breakpoints[row]
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 self.endRemoveRows()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 def deleteBreakPoints(self, idxList):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 Public method to delete a list of breakpoints given by their indexes.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 @param idxList list of breakpoint indexes (list of QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 rows = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 for index in idxList:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 rows.append(index.row())
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259 rows.sort(reverse=True)
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260 for row in rows:
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261 if row < len(self.breakpoints):
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262 self.beginRemoveRows(QModelIndex(), row, row)
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263 del self.breakpoints[row]
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264 self.endRemoveRows()
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265
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266 def deleteAll(self):
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267 """
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268 Public method to delete all breakpoints.
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269 """
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270 if self.breakpoints:
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271 self.beginRemoveRows(QModelIndex(), 0, len(self.breakpoints) - 1)
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272 self.breakpoints = []
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273 self.endRemoveRows()
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274
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275 def getBreakPointByIndex(self, index):
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276 """
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277 Public method to get the values of a breakpoint given by index.
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278
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279 @param index index of the breakpoint (QModelIndex)
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280 @return breakpoint (list of seven values (filename, line number,
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281 condition, temporary flag, enabled flag, ignore count))
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282 """
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283 if index.isValid():
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284 return self.breakpoints[index.row()][:] # return a copy
0
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285 else:
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286 return []
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287
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288 def getBreakPointIndex(self, fn, lineno):
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289 """
2988
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290 Public method to get the index of a breakpoint given by filename and
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291 line number.
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292
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293 @param fn filename of the breakpoint (string)
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294 @param lineno line number of the breakpoint (integer)
0
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295 @return index (QModelIndex)
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296 """
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297 for row in range(len(self.breakpoints)):
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298 bp = self.breakpoints[row]
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299 if bp[0] == fn and bp[1] == lineno:
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300 return self.createIndex(row, 0, self.breakpoints[row])
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301
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302 return QModelIndex()
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303
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304 def isBreakPointTemporaryByIndex(self, index):
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305 """
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e4794166ad70 Fixed a serious typo.
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306 Public method to test, if a breakpoint given by its index is temporary.
0
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307
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308 @param index index of the breakpoint to test (QModelIndex)
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309 @return flag indicating a temporary breakpoint (boolean)
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310 """
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311 if index.isValid():
0
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diff changeset
312 return self.breakpoints[index.row()][3]
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313 else:
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314 return False

eric ide

mercurial