Mercurial Repositories > eric / file comparison
comparison: src/eric7/PdfViewer/PdfInfoWidget.py
src/eric7/PdfViewer/PdfInfoWidget.py
- branch
- pdf_viewer
- changeset 9702
- 7c973954919d
- child 9704
- 6e1650b9b3b5
equal
deleted
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| 9700:b74a13a382a8 | 9702:7c973954919d |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2023 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing an info widget showing data of a PDF document. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import Qt, pyqtSlot, QFileInfo | |
| 11 from PyQt6.QtPdf import QPdfDocument | |
| 12 from PyQt6.QtWidgets import QWidget, QFormLayout, QLabel | |
| 13 | |
| 14 from eric7.Globals import dataString | |
| 15 | |
| 16 | |
| 17 class PdfInfoWidget(QWidget): | |
| 18 """ | |
| 19 Class implementing an info widget showing data of a PDF document. | |
| 20 """ | |
| 21 | |
| 22 def __init__(self, document, parent=None): | |
| 23 """ | |
| 24 Constructor | |
| 25 | |
| 26 @param document reference to the PDF document object | |
| 27 @type QPdfDocument | |
| 28 @param parent reference to the parent widget (defaults to None) | |
| 29 @type QWidget (optional) | |
| 30 """ | |
| 31 super().__init__(parent) | |
| 32 | |
| 33 self.__document = document | |
| 34 | |
| 35 self.__layout = QFormLayout(self) | |
| 36 self.__layout.setRowWrapPolicy(QFormLayout.RowWrapPolicy.WrapLongRows) | |
| 37 self.__layout.setFieldGrowthPolicy( | |
| 38 QFormLayout.FieldGrowthPolicy.AllNonFixedFieldsGrow | |
| 39 ) | |
| 40 self.__layout.setFormAlignment( | |
| 41 Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop | |
| 42 ) | |
| 43 self.__layout.setLabelAlignment(Qt.AlignmentFlag.AlignRight) | |
| 44 | |
| 45 self.__infoLabels = { | |
| 46 "filePath": QLabel(), | |
| 47 "fileSize": QLabel(), | |
| 48 "title": QLabel(), | |
| 49 "subject": QLabel(), | |
| 50 "author": QLabel(), | |
| 51 "creator": QLabel(), | |
| 52 "producer": QLabel(), | |
| 53 "pages": QLabel(), | |
| 54 "creationDate": QLabel(), | |
| 55 "modificationDate": QLabel(), | |
| 56 "keywords": QLabel(), | |
| 57 "security": QLabel(), | |
| 58 } | |
| 59 for label in self.__infoLabels.values(): | |
| 60 label.setWordWrap(True) | |
| 61 self.__layout.addRow(self.tr("File Path:"), self.__infoLabels["filePath"]) | |
| 62 self.__layout.addRow(self.tr("File Size:"), self.__infoLabels["fileSize"]) | |
| 63 self.__layout.addRow(self.tr("Title:"), self.__infoLabels["title"]) | |
| 64 self.__layout.addRow(self.tr("Subject:"), self.__infoLabels["subject"]) | |
| 65 self.__layout.addRow(self.tr("Author:"), self.__infoLabels["author"]) | |
| 66 self.__layout.addRow(self.tr("Created with:"), self.__infoLabels["creator"]) | |
| 67 self.__layout.addRow(self.tr("Creator:"), self.__infoLabels["producer"]) | |
| 68 self.__layout.addRow(self.tr("Pages:"), self.__infoLabels["pages"]) | |
| 69 self.__layout.addRow(self.tr("Created at:"), self.__infoLabels["creationDate"]) | |
| 70 self.__layout.addRow( | |
| 71 self.tr("Last Modified at:"), self.__infoLabels["modificationDate"] | |
| 72 ) | |
| 73 self.__layout.addRow(self.tr("Keywords:"), self.__infoLabels["keywords"]) | |
| 74 self.__layout.addRow(self.tr("Security:"), self.__infoLabels["security"]) | |
| 75 #self.__layout.addRow(self.tr(""), self.__infoLabels[""]) | |
| 76 # TODO: add more info labels | |
| 77 | |
| 78 self.setLayout(self.__layout) | |
| 79 | |
| 80 self.__document.statusChanged.connect(self.__populateInfoLabels) | |
| 81 self.__document.pageCountChanged.connect(self.__handlePageCountChanged) | |
| 82 self.__document.passwordChanged.connect(self.__handlePasswordChanged) | |
| 83 | |
| 84 @pyqtSlot(QPdfDocument.Status) | |
| 85 def __populateInfoLabels(self, status): | |
| 86 """ | |
| 87 Private slot to populate the info labels upon a change of the document status. | |
| 88 | |
| 89 @param status document status | |
| 90 @type QPdfDocument.Status | |
| 91 """ | |
| 92 ready = status == QPdfDocument.Status.Ready | |
| 93 | |
| 94 self.__infoLabels["title"].setText( | |
| 95 self.__document.metaData(QPdfDocument.MetaDataField.Title) if ready else "" | |
| 96 ) | |
| 97 self.__infoLabels["subject"].setText( | |
| 98 self.__document.metaData(QPdfDocument.MetaDataField.Subject) | |
| 99 if ready | |
| 100 else "" | |
| 101 ) | |
| 102 self.__infoLabels["author"].setText( | |
| 103 self.__document.metaData(QPdfDocument.MetaDataField.Author) if ready else "" | |
| 104 ) | |
| 105 self.__infoLabels["creator"].setText( | |
| 106 self.__document.metaData(QPdfDocument.MetaDataField.Creator) | |
| 107 if ready | |
| 108 else "" | |
| 109 ) | |
| 110 self.__infoLabels["producer"].setText( | |
| 111 self.__document.metaData(QPdfDocument.MetaDataField.Producer) | |
| 112 if ready | |
| 113 else "" | |
| 114 ) | |
| 115 self.__infoLabels["pages"].setText( | |
| 116 str(self.__document.pageCount()) if ready else "" | |
| 117 ) | |
| 118 self.__infoLabels["creationDate"].setText( | |
| 119 self.__document.metaData(QPdfDocument.MetaDataField.CreationDate).toString( | |
| 120 "yyyy-MM-dd hh:mm:ss t" | |
| 121 ) if ready | |
| 122 else "" | |
| 123 ) | |
| 124 self.__infoLabels["modificationDate"].setText( | |
| 125 self.__document.metaData( | |
| 126 QPdfDocument.MetaDataField.ModificationDate | |
| 127 ).toString("yyyy-MM-dd hh:mm:ss t") | |
| 128 if ready | |
| 129 else "" | |
| 130 ) | |
| 131 self.__infoLabels["keywords"].setText( | |
| 132 self.__document.metaData(QPdfDocument.MetaDataField.Keywords) | |
| 133 if ready | |
| 134 else "" | |
| 135 ) | |
| 136 | |
| 137 if ready: | |
| 138 self.__handlePasswordChanged() | |
| 139 else: | |
| 140 self.__infoLabels["security"].setText("") | |
| 141 | |
| 142 @pyqtSlot(int) | |
| 143 def __handlePageCountChanged(self, pageCount): | |
| 144 """ | |
| 145 Private slot to handle a change of the page count. | |
| 146 | |
| 147 @param pageCount changed page count | |
| 148 @type int | |
| 149 """ | |
| 150 self.__infoLabels["pages"].setText(str(pageCount)) | |
| 151 | |
| 152 @pyqtSlot() | |
| 153 def __handlePasswordChanged(self): | |
| 154 """ | |
| 155 Private slot to handle a change of the password. | |
| 156 """ | |
| 157 self.__infoLabels["security"].setText( | |
| 158 self.tr("Encrypted") | |
| 159 if self.__document.password() | |
| 160 else self.tr("Not Encrypted") | |
| 161 ) | |
| 162 | |
| 163 def setFileName(self, filename): | |
| 164 """ | |
| 165 Public method to set the file name info. | |
| 166 | |
| 167 @param filename DESCRIPTION | |
| 168 @type TYPE | |
| 169 """ | |
| 170 self.__infoLabels["filePath"].setText(filename) | |
| 171 if filename: | |
| 172 fi = QFileInfo(filename) | |
| 173 fileSize = fi.size() | |
| 174 self.__infoLabels["fileSize"].setText(dataString(fileSize)) | |
| 175 else: | |
| 176 self.__infoLabels["fileSize"].setText("") |
