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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2021 - 2022 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 widget to manage the QtHelp documentation settings. |
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8 """ |
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9 |
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10 from PyQt6.QtCore import pyqtSlot, pyqtSignal |
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11 from PyQt6.QtWidgets import QWidget, QListWidgetItem, QDialog |
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12 |
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13 from EricWidgets.EricApplication import ericApp |
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14 from EricWidgets import EricMessageBox, EricFileDialog |
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15 |
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16 from .Ui_QtHelpDocumentationSettingsWidget import ( |
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17 Ui_QtHelpDocumentationSettingsWidget |
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18 ) |
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19 |
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20 from .QtHelpDocumentationSettings import QtHelpDocumentationSettings |
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21 |
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22 |
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23 class QtHelpDocumentationSettingsWidget(QWidget, |
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24 Ui_QtHelpDocumentationSettingsWidget): |
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25 """ |
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26 Class implementing a widget to manage the QtHelp documentation settings. |
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27 |
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28 @signal documentationSettingsChanged(settings) emitted to signal a change |
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29 of the documentation configuration |
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30 """ |
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31 documentationSettingsChanged = pyqtSignal(QtHelpDocumentationSettings) |
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32 |
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33 def __init__(self, parent=None): |
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34 """ |
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35 Constructor |
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36 |
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37 @param parent reference to the parent widget (defaults to None) |
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38 @type QWidget (optional) |
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39 """ |
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40 super().__init__(parent) |
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41 self.setupUi(self) |
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42 |
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43 self.__settings = None |
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44 |
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45 try: |
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46 self.__pluginHelpDocuments = ( |
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47 ericApp().getObject("PluginManager").getPluginQtHelpFiles() |
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48 ) |
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49 except KeyError: |
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50 from PluginManager.PluginManager import PluginManager |
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51 pluginManager = PluginManager(self, doLoadPlugins=False) |
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52 pluginManager.loadDocumentationSetPlugins() |
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53 pluginManager.activatePlugins() |
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54 self.__pluginHelpDocuments = pluginManager.getPluginQtHelpFiles() |
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55 self.addPluginButton.setEnabled(bool(self.__pluginHelpDocuments)) |
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56 |
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57 @pyqtSlot() |
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58 def on_removeDocumentsButton_clicked(self): |
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59 """ |
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60 Private slot to remove a document from the help database. |
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61 """ |
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62 selectedItems = self.documentsList.selectedItems()[:] |
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63 if not selectedItems: |
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64 return |
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65 |
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66 for itm in selectedItems: |
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67 namespace = itm.text() |
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68 self.documentsList.takeItem(self.documentsList.row(itm)) |
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69 del itm |
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70 |
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71 self.__settings.removeDocumentation(namespace) |
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72 |
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73 self.documentationSettingsChanged.emit(self.__settings) |
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74 |
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75 @pyqtSlot() |
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76 def on_addDocumentsButton_clicked(self): |
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77 """ |
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78 Private slot to add QtHelp documents to the help database. |
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79 """ |
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80 filenames = EricFileDialog.getOpenFileNames( |
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81 self, |
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82 self.tr("Add Documentation"), |
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83 "", |
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84 self.tr("Qt Compressed Help Files (*.qch)")) |
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85 if not filenames: |
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86 return |
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87 |
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88 self.__registerDocumentation(filenames) |
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89 |
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90 @pyqtSlot() |
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91 def on_addPluginButton_clicked(self): |
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92 """ |
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93 Private slot to add QtHelp documents provided by plug-ins to |
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94 the help database. |
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95 """ |
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96 from .QtHelpDocumentationSelectionDialog import ( |
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97 QtHelpDocumentationSelectionDialog |
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98 ) |
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99 dlg = QtHelpDocumentationSelectionDialog( |
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100 self.__pluginHelpDocuments, |
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101 QtHelpDocumentationSelectionDialog.AddMode, |
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102 self) |
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103 if dlg.exec() == QDialog.DialogCode.Accepted: |
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104 documents = dlg.getData() |
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105 if documents: |
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106 self.__registerDocumentation(documents) |
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107 |
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108 def __registerDocumentation(self, filenames): |
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109 """ |
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110 Private method to register a given list of documentations. |
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111 |
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112 @param filenames list of documentation files to be registered |
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113 @type list of str |
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114 """ |
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115 added = False |
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116 |
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117 for filename in filenames: |
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118 if not self.__settings.addDocumentation(filename): |
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119 EricMessageBox.warning( |
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120 self, |
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121 self.tr("Add Documentation"), |
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122 self.tr("""The file <b>{0}</b> could not be added.""") |
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123 .format(filename) |
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124 ) |
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125 continue |
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126 |
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127 if not added: |
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128 added = True |
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129 self.documentsList.clearSelection() |
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130 |
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131 namespace = self.__settings.namespace(filename) |
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132 itm = QListWidgetItem(namespace) |
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133 self.documentsList.addItem(itm) |
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134 |
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135 itm.setSelected(True) |
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136 self.__applyDocumentsListFilter() |
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137 |
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138 if added: |
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139 self.documentationSettingsChanged.emit(self.__settings) |
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140 |
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141 @pyqtSlot() |
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142 def on_managePluginButton_clicked(self): |
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143 """ |
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144 Private slot to manage the QtHelp documents provided by plug-ins. |
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145 """ |
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146 from .QtHelpDocumentationSelectionDialog import ( |
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147 QtHelpDocumentationSelectionDialog |
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148 ) |
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149 dlg = QtHelpDocumentationSelectionDialog( |
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150 self.__pluginHelpDocuments, |
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151 QtHelpDocumentationSelectionDialog.ManageMode, |
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152 self) |
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153 dlg.exec() |
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154 |
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155 @pyqtSlot() |
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156 def on_documentsList_itemSelectionChanged(self): |
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157 """ |
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158 Private slot handling a change of the documents selection. |
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159 """ |
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160 self.removeDocumentsButton.setEnabled( |
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161 len(self.documentsList.selectedItems()) != 0) |
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162 |
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163 @pyqtSlot(str) |
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164 def on_filterEdit_textChanged(self, txt): |
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165 """ |
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166 Private slot to react on changes of the document filter text. |
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167 |
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168 @param txt current entry of the filter |
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169 @type str |
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170 """ |
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171 self.__applyDocumentsListFilter() |
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172 |
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173 @pyqtSlot() |
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174 def __applyDocumentsListFilter(self): |
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175 """ |
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176 Private slot to apply the current documents filter. |
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177 """ |
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178 filterStr = self.filterEdit.text() |
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179 for row in range(self.documentsList.count()): |
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180 itm = self.documentsList.item(row) |
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181 matches = filterStr == "" or filterStr in itm.text() |
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182 |
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183 if not matches: |
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184 itm.setSelected(False) |
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185 itm.setHidden(not matches) |
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186 |
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187 def setDocumentationSettings(self, settings): |
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188 """ |
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189 Public method to set the reference to the QtHelp documentation |
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190 configuration object. |
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191 |
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192 @param settings reference to the created QtHelpDocumentationSettings |
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193 object |
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194 @type QtHelpDocumentationSettings |
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195 """ |
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196 self.__settings = settings |
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197 |
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198 self.documentsList.clear() |
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199 |
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200 for namespace in self.__settings.namespaces(): |
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201 itm = QListWidgetItem(namespace) |
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202 self.documentsList.addItem(itm) |
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203 self.__applyDocumentsListFilter() |
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204 |
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205 self.removeDocumentsButton.setEnabled(False) |
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206 |
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207 def documentationSettings(self): |
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208 """ |
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209 Public method to get the reference to the QtHelp documentation |
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210 configuration object. |
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211 |
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212 @return reference to the created QtHelpDocumentationSettings object |
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213 @rtype QtHelpDocumentationSettings |
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214 """ |
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215 return self.__settings |