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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2021 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 a dialog to select the styles to be imported/exported. |
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8 """ |
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9 |
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10 from PyQt5.QtCore import pyqtSlot, Qt |
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11 from PyQt5.QtWidgets import ( |
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12 QDialog, QDialogButtonBox, QListWidgetItem, QAbstractButton |
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13 ) |
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14 |
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15 from .Ui_EditorHighlightingStylesSelectionDialog import ( |
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16 Ui_EditorHighlightingStylesSelectionDialog |
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17 ) |
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18 |
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19 |
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20 class EditorHighlightingStylesSelectionDialog( |
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21 QDialog, Ui_EditorHighlightingStylesSelectionDialog |
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22 ): |
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23 """ |
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24 Class implementing a dialog to select the styles to be imported/exported. |
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25 """ |
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26 def __init__(self, lexerNames, forImport, preselect=None, parent=None): |
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27 """ |
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28 Constructor |
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29 |
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30 @param lexerNames list of lexer names to select from |
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31 @type list of str |
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32 @param forImport flag indicating a dialog for importing styles |
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33 @type bool |
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34 @param preselect list of lexer names to be preselected |
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35 @type list of str |
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36 @param parent reference to the parent widget |
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37 @type QWidget |
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38 """ |
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39 super().__init__(parent) |
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40 self.setupUi(self) |
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41 |
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42 self.__selectAllButton = self.buttonBox.addButton( |
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43 self.tr("Select All"), QDialogButtonBox.ButtonRole.ActionRole) |
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44 |
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45 if forImport: |
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46 self.setWindowTitle(self.tr("Import Highlighting Styles")) |
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47 self.infoLabel.setText(self.tr( |
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48 "Select the highlighting styles to be imported")) |
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49 else: |
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50 self.setWindowTitle(self.tr("Export Highlighting Styles")) |
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51 self.infoLabel.setText(self.tr( |
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52 "Select the highlighting styles to be exported")) |
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53 |
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54 if preselect is None: |
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55 preselect = [] |
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56 |
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57 for name in lexerNames: |
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58 itm = QListWidgetItem(name, self.lexersList) |
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59 itm.setFlags( |
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60 Qt.ItemFlag.ItemIsUserCheckable | Qt.ItemFlag.ItemIsEnabled) |
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61 if name in preselect: |
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62 itm.setCheckState(Qt.CheckState.Checked) |
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63 else: |
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64 itm.setCheckState(Qt.CheckState.Unchecked) |
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65 |
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66 self.__updateOkButton() |
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67 |
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68 @pyqtSlot() |
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69 def __updateOkButton(self): |
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70 """ |
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71 Private slot to update the state of the OK button. |
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72 """ |
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73 for row in range(self.lexersList.count()): |
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74 itm = self.lexersList.item(row) |
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75 if itm.checkState() == Qt.CheckState.Checked: |
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76 enable = True |
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77 break |
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78 else: |
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79 enable = False |
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80 self.buttonBox.button( |
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81 QDialogButtonBox.StandardButton.Ok).setEnabled(enable) |
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82 |
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83 @pyqtSlot(QListWidgetItem) |
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84 def on_lexersList_itemChanged(self, item): |
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85 """ |
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86 Private slot to react on changes in check state. |
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87 |
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88 @param item reference to the changed item |
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89 @type QListWidgetItem |
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90 """ |
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91 self.__updateOkButton() |
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92 |
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93 @pyqtSlot(QAbstractButton) |
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94 def on_buttonBox_clicked(self, button): |
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95 """ |
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96 Private slot to handle the user pressing a button. |
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97 |
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98 @param button reference to the button pressed |
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99 @type QAbstractButton |
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100 """ |
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101 if button is self.__selectAllButton: |
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102 for row in range(self.lexersList.count()): |
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103 itm = self.lexersList.item(row) |
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104 itm.setCheckState(Qt.CheckState.Checked) |
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105 |
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106 def getLexerNames(self): |
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107 """ |
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108 Public method to get the selected lexer names. |
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109 |
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110 @return list of selected lexer names |
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111 @rtype list of str |
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112 """ |
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113 lexerNames = [] |
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114 for row in range(self.lexersList.count()): |
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115 itm = self.lexersList.item(row) |
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116 if itm.checkState() == Qt.CheckState.Checked: |
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117 lexerNames.append(itm.text()) |
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118 |
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119 return lexerNames |