|
| 1 | +#!/usr/bin/env python |
| 2 | +# -*- coding: utf-8 -*- |
| 3 | + |
| 4 | +import sys |
| 5 | +from PyQt4.Qt import * |
| 6 | +from PyQt4.QtCore import * |
| 7 | +from PyQt4.QtGui import * |
| 8 | + |
| 9 | +app_name = "ReText" |
| 10 | +app_version = "0.1.0 alpha" |
| 11 | + |
| 12 | +class HtmlHighlighter(QSyntaxHighlighter): |
| 13 | + def __init__(self, parent): |
| 14 | + QSyntaxHighlighter.__init__(self, parent) |
| 15 | + |
| 16 | + def highlightBlock(self, text): |
| 17 | + charFormat = QTextCharFormat() |
| 18 | + charFormat.setFontWeight(QFont.Bold) |
| 19 | + patterns = ("<[^>]*>", "&[^;]*;", "\"[^\"]*\"") |
| 20 | + foregrounds = [Qt.darkMagenta, Qt.darkCyan, Qt.darkYellow] |
| 21 | + for i in range(3): |
| 22 | + expression = QRegExp(patterns[i]) |
| 23 | + index = expression.indexIn(text) |
| 24 | + charFormat.setForeground(foregrounds[i]); |
| 25 | + while (index >= 0): |
| 26 | + length = expression.matchedLength() |
| 27 | + self.setFormat(index, length, charFormat) |
| 28 | + index = expression.indexIn(text, index + length) |
| 29 | + |
| 30 | +class MainWindow(QMainWindow): |
| 31 | + def __init__(self): |
| 32 | + QMainWindow.__init__(self) |
| 33 | + self.resize(800, 600) |
| 34 | + screen = QDesktopWidget().screenGeometry() |
| 35 | + size = self.geometry() |
| 36 | + self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2) |
| 37 | + self.setWindowTitle(self.tr('New document') + ' - '+app_name) |
| 38 | + self.setWindowIcon(QIcon.fromTheme('accessories-text-editor')) |
| 39 | + self.centralwidget = QWidget(self) |
| 40 | + self.verticalLayout = QVBoxLayout(self.centralwidget) |
| 41 | + self.previewBox = QTextEdit(self.centralwidget) |
| 42 | + self.previewBox.setVisible(False) |
| 43 | + self.previewBox.setReadOnly(True) |
| 44 | + self.verticalLayout.addWidget(self.previewBox) |
| 45 | + self.editBox = QTextEdit(self.centralwidget) |
| 46 | + self.editBox.setAcceptRichText(False) |
| 47 | + self.verticalLayout.addWidget(self.editBox) |
| 48 | + self.setCentralWidget(self.centralwidget) |
| 49 | + self.syntaxHighlighter = HtmlHighlighter(self.editBox.document()) |
| 50 | + self.toolBar = QToolBar(self.tr('File toolbar'), self) |
| 51 | + self.addToolBar(Qt.TopToolBarArea, self.toolBar) |
| 52 | + self.editBar = QToolBar(self.tr('Edit toolbar'), self) |
| 53 | + self.addToolBar(Qt.TopToolBarArea, self.editBar) |
| 54 | + self.actionOpen = QAction(QIcon.fromTheme('document-open'), self.tr('Open'), self) |
| 55 | + self.actionOpen.setShortcut(QKeySequence.Open) |
| 56 | + self.connect(self.actionOpen, SIGNAL('triggered()'), self.openFile) |
| 57 | + self.actionSave = QAction(QIcon.fromTheme('document-save'), self.tr('Save'), self) |
| 58 | + self.actionSave.setEnabled(False) |
| 59 | + self.actionSave.setShortcut(QKeySequence.Save) |
| 60 | + self.connect(self.editBox.document(), SIGNAL('modificationChanged(bool)'), self.modificationChanged) |
| 61 | + self.connect(self.actionSave, SIGNAL('triggered()'), self.saveFile) |
| 62 | + self.actionSaveAs = QAction(QIcon.fromTheme('document-save-as'), self.tr('Save as'), self) |
| 63 | + self.actionSaveAs.setShortcut(QKeySequence.SaveAs) |
| 64 | + self.connect(self.actionSaveAs, SIGNAL('triggered()'), self.saveFileAs) |
| 65 | + self.actionPrint = QAction(QIcon.fromTheme('document-print'), self.tr('Print'), self) |
| 66 | + self.actionPrint.setShortcut(QKeySequence.Print) |
| 67 | + self.connect(self.actionPrint, SIGNAL('triggered()'), self.printFile) |
| 68 | + self.actionPreview = QAction(QIcon.fromTheme('x-office-document'), self.tr('Preview'), self) |
| 69 | + self.actionPreview.setCheckable(True) |
| 70 | + self.connect(self.actionPreview, SIGNAL('triggered(bool)'), self.preview) |
| 71 | + self.actionPerfectHtml = QAction(QIcon.fromTheme('text-html'), 'HTML', self) |
| 72 | + self.connect(self.actionPerfectHtml, SIGNAL('triggered()'), self.saveFilePerfect) |
| 73 | + self.actionPdf = QAction(QIcon.fromTheme('application-pdf'), 'PDF', self) |
| 74 | + self.connect(self.actionPdf, SIGNAL('triggered()'), self.savePdf) |
| 75 | + self.actionQuit = QAction(QIcon.fromTheme('application-exit'), self.tr('Quit'), self) |
| 76 | + self.actionQuit.setShortcut(QKeySequence.Quit) |
| 77 | + self.connect(self.actionQuit, SIGNAL('triggered()'), qApp, SLOT('quit()')) |
| 78 | + self.actionUndo = QAction(QIcon.fromTheme('edit-undo'), self.tr('Undo'), self) |
| 79 | + self.actionUndo.setShortcut(QKeySequence.Undo) |
| 80 | + self.actionRedo = QAction(QIcon.fromTheme('edit-redo'), self.tr('Redo'), self) |
| 81 | + self.actionRedo.setShortcut(QKeySequence.Redo) |
| 82 | + self.connect(self.actionUndo, SIGNAL('triggered()'), self.editBox, SLOT('undo()')) |
| 83 | + self.connect(self.actionRedo, SIGNAL('triggered()'), self.editBox, SLOT('redo()')) |
| 84 | + self.actionUndo.setEnabled(False) |
| 85 | + self.actionRedo.setEnabled(False) |
| 86 | + self.connect(self.editBox.document(), SIGNAL('undoAvailable(bool)'), self.actionUndo, SLOT('setEnabled(bool)')) |
| 87 | + self.connect(self.editBox.document(), SIGNAL('redoAvailable(bool)'), self.actionRedo, SLOT('setEnabled(bool)')) |
| 88 | + self.actionCopy = QAction(QIcon.fromTheme('edit-copy'), self.tr('Copy'), self) |
| 89 | + self.actionCopy.setShortcut(QKeySequence.Copy) |
| 90 | + self.actionCopy.setEnabled(False) |
| 91 | + self.actionCut = QAction(QIcon.fromTheme('edit-cut'), self.tr('Cut'), self) |
| 92 | + self.actionCut.setShortcut(QKeySequence.Cut) |
| 93 | + self.actionCut.setEnabled(False) |
| 94 | + self.actionPaste = QAction(QIcon.fromTheme('edit-paste'), self.tr('Paste'), self) |
| 95 | + self.actionPaste.setShortcut(QKeySequence.Paste) |
| 96 | + self.connect(self.actionCut, SIGNAL('triggered()'), self.editBox, SLOT('cut()')) |
| 97 | + self.connect(self.actionCopy, SIGNAL('triggered()'), self.editBox, SLOT('copy()')) |
| 98 | + self.connect(self.actionPaste, SIGNAL('triggered()'), self.editBox, SLOT('paste()')) |
| 99 | + self.connect(qApp.clipboard(), SIGNAL('dataChanged()'), self.clipboardDataChanged) |
| 100 | + self.clipboardDataChanged() |
| 101 | + self.actionEnableMarkup = QAction(self.tr('Enable markup'), self) |
| 102 | + self.actionEnableMarkup.setCheckable(True) |
| 103 | + self.actionEnableMarkup.setChecked(True) |
| 104 | + self.connect(self.actionEnableMarkup, SIGNAL('triggered(bool)'), self.enableMarkup) |
| 105 | + self.actionAbout = QAction(QIcon.fromTheme('help-about'), self.tr('About %1').arg(app_name), self) |
| 106 | + self.connect(self.actionAbout, SIGNAL('triggered()'), self.aboutDialog) |
| 107 | + self.actionAboutQt = QAction(self.tr('About Qt'), self) |
| 108 | + self.connect(self.actionAboutQt, SIGNAL('triggered()'), qApp, SLOT('aboutQt()')) |
| 109 | + self.usefulTags = ('a', 'b', 'center', 'h1', 'h2', 'h3', 'i', 'img', 's', 'span', 'table', 'td', 'tr', 'u') |
| 110 | + self.usefulChars = ('amp', 'gt', 'laquo', 'lt', 'minus', 'mdash', 'nbsp', 'ndash', 'quot', 'raquo') |
| 111 | + self.tagsBox = QComboBox(self.editBar) |
| 112 | + self.tagsBox.addItem(self.tr('Tags')) |
| 113 | + self.tagsBox.addItems(self.usefulTags) |
| 114 | + self.connect(self.tagsBox, SIGNAL('activated(int)'), self.insertTag) |
| 115 | + self.symbolBox = QComboBox(self.editBar) |
| 116 | + self.symbolBox.addItem(self.tr('Symbols')) |
| 117 | + self.symbolBox.addItems(self.usefulChars) |
| 118 | + self.connect(self.symbolBox, SIGNAL('activated(int)'), self.insertSymbol) |
| 119 | + self.menubar = QMenuBar(self) |
| 120 | + self.menubar.setGeometry(QRect(0, 0, 800, 25)) |
| 121 | + self.setMenuBar(self.menubar) |
| 122 | + self.menuFile = self.menubar.addMenu(self.tr('File')) |
| 123 | + self.menuEdit = self.menubar.addMenu(self.tr('Edit')) |
| 124 | + self.menuHelp = self.menubar.addMenu(self.tr('Help')) |
| 125 | + self.menuFile.addAction(self.actionOpen) |
| 126 | + self.menuFile.addAction(self.actionSave) |
| 127 | + self.menuFile.addAction(self.actionSaveAs) |
| 128 | + self.menuFile.addSeparator() |
| 129 | + self.menuExport = self.menuFile.addMenu(self.tr('Export')) |
| 130 | + self.menuExport.addAction(self.actionPerfectHtml) |
| 131 | + self.menuExport.addAction(self.actionPdf) |
| 132 | + self.menuFile.addAction(self.actionPrint) |
| 133 | + self.menuFile.addSeparator() |
| 134 | + self.menuFile.addAction(self.actionQuit) |
| 135 | + self.menuEdit.addAction(self.actionUndo) |
| 136 | + self.menuEdit.addAction(self.actionRedo) |
| 137 | + self.menuEdit.addSeparator() |
| 138 | + self.menuEdit.addAction(self.actionCut) |
| 139 | + self.menuEdit.addAction(self.actionCopy) |
| 140 | + self.menuEdit.addAction(self.actionPaste) |
| 141 | + self.menuEdit.addSeparator() |
| 142 | + self.menuEdit.addAction(self.actionEnableMarkup) |
| 143 | + self.menuEdit.addAction(self.actionPreview) |
| 144 | + self.menuHelp.addAction(self.actionAbout) |
| 145 | + self.menuHelp.addAction(self.actionAboutQt) |
| 146 | + self.menubar.addMenu(self.menuFile) |
| 147 | + self.menubar.addMenu(self.menuEdit) |
| 148 | + self.menubar.addMenu(self.menuHelp) |
| 149 | + self.toolBar.addAction(self.actionOpen) |
| 150 | + self.toolBar.addAction(self.actionSave) |
| 151 | + self.toolBar.addAction(self.actionPrint) |
| 152 | + self.toolBar.addSeparator() |
| 153 | + self.toolBar.addAction(self.actionPreview) |
| 154 | + self.editBar.addAction(self.actionUndo) |
| 155 | + self.editBar.addAction(self.actionRedo) |
| 156 | + self.editBar.addSeparator() |
| 157 | + self.editBar.addAction(self.actionCut) |
| 158 | + self.editBar.addAction(self.actionCopy) |
| 159 | + self.editBar.addAction(self.actionPaste) |
| 160 | + self.editBar.addWidget(self.tagsBox) |
| 161 | + self.editBar.addWidget(self.symbolBox) |
| 162 | + self.useMarkup = True |
| 163 | + self.fileName = None |
| 164 | + |
| 165 | + def preview(self, viewmode): |
| 166 | + self.editBar.setEnabled(not viewmode) |
| 167 | + self.editBox.setVisible(not viewmode) |
| 168 | + self.previewBox.setVisible(viewmode) |
| 169 | + if viewmode: |
| 170 | + self.previewBox.setHtml(self.parseText()) |
| 171 | + |
| 172 | + def openFile(self): |
| 173 | + filename = QFileDialog.getOpenFileName(self, self.tr("Open file"), "", self.tr("ReText files (*.re *.txt)")) |
| 174 | + if filename: |
| 175 | + openfile = QFile(filename) |
| 176 | + openfile.open(QIODevice.ReadOnly) |
| 177 | + openstream = QTextStream(openfile) |
| 178 | + html = openstream.readAll() |
| 179 | + openfile.close |
| 180 | + self.editBox.setPlainText(html) |
| 181 | + |
| 182 | + def saveFile(self): |
| 183 | + self.saveFileMain(False) |
| 184 | + |
| 185 | + def saveFileAs(self): |
| 186 | + self.saveFileMain(True) |
| 187 | + |
| 188 | + def saveFileMain(self, dlg): |
| 189 | + if (not self.fileName) or dlg: |
| 190 | + self.fileName = QFileDialog.getSaveFileName(self, self.tr("Save file"), "", self.tr("ReText files (*.re *.txt)")) |
| 191 | + if self.fileName: |
| 192 | + if QFileInfo(self.fileName).suffix().isEmpty(): |
| 193 | + self.fileName.append(".re") |
| 194 | + savefile = QFile(self.fileName) |
| 195 | + savefile.open(QIODevice.WriteOnly) |
| 196 | + savestream = QTextStream(savefile) |
| 197 | + savestream.__lshift__(self.parseText()) |
| 198 | + savefile.close() |
| 199 | + self.editBox.document().setModified(False) |
| 200 | + |
| 201 | + def saveFilePerfect(self): |
| 202 | + if not self.fileName: |
| 203 | + self.fileName = QFileDialog.getSaveFileName(self, self.tr("Save file"), "", self.tr("HTML files (*.html *.htm)")) |
| 204 | + if self.fileName: |
| 205 | + if QFileInfo(self.fileName).suffix().isEmpty(): |
| 206 | + self.fileName.append(".html") |
| 207 | + td = QTextDocument() |
| 208 | + td.setHtml(self.parseText()) |
| 209 | + writer = QTextDocumentWriter(self.fileName) |
| 210 | + writer.write(td) |
| 211 | + |
| 212 | + def savePdf(self): |
| 213 | + fileName = QFileDialog.getSaveFileName(self, self.tr("Export document to PDF"), "", self.tr("PDF files (*.pdf)")); |
| 214 | + if fileName: |
| 215 | + if QFileInfo(fileName).suffix().isEmpty(): |
| 216 | + fileName.append(".pdf") |
| 217 | + printer = QPrinter(QPrinter.HighResolution) |
| 218 | + printer.setOutputFormat(QPrinter.PdfFormat) |
| 219 | + printer.setOutputFileName(fileName) |
| 220 | + printer.setCreator(app_name+" "+app_version) |
| 221 | + td = QTextDocument() |
| 222 | + td.setHtml(self.parseText()) |
| 223 | + td.print_(printer) |
| 224 | + |
| 225 | + def printFile(self): |
| 226 | + printer = QPrinter(QPrinter.HighResolution) |
| 227 | + printer.setCreator(app_name+" "+app_version) |
| 228 | + dlg = QPrintDialog(printer, self) |
| 229 | + dlg.setWindowTitle(self.tr("Print Document")) |
| 230 | + if (dlg.exec_() == QDialog.Accepted): |
| 231 | + td = QTextDocument() |
| 232 | + td.setHtml(self.parseText()) |
| 233 | + td.print_(printer) |
| 234 | + |
| 235 | + def getDocumentTitle(self): |
| 236 | + if self.fileName: |
| 237 | + return QFileInfo(self.fileName).fileName() |
| 238 | + else: |
| 239 | + return self.tr("New document") |
| 240 | + |
| 241 | + def modificationChanged(self, changed): |
| 242 | + self.actionSave.setEnabled(changed) |
| 243 | + if changed: |
| 244 | + self.setWindowTitle(self.getDocumentTitle()+"* - "+app_name) |
| 245 | + else: |
| 246 | + self.setWindowTitle(self.getDocumentTitle()+" - "+app_name) |
| 247 | + |
| 248 | + def clipboardDataChanged(self): |
| 249 | + self.actionPaste.setEnabled(qApp.clipboard().mimeData().hasText()) |
| 250 | + |
| 251 | + def insertTag(self, num): |
| 252 | + if num: |
| 253 | + ut = self.usefulTags[num-1] |
| 254 | + hc = not ut in ('img', 'td', 'tr') |
| 255 | + arg = '' |
| 256 | + if ut == 'a': |
| 257 | + arg = ' href=""' |
| 258 | + if ut == 'img': |
| 259 | + arg = ' src=""' |
| 260 | + if ut == 'img': |
| 261 | + arg = ' style=""' |
| 262 | + tc = self.editBox.textCursor() |
| 263 | + if hc: |
| 264 | + toinsert = '<'+ut+arg+'>'+tc.selectedText()+'</'+ut+'>' |
| 265 | + tc.removeSelectedText |
| 266 | + tc.insertText(toinsert) |
| 267 | + else: |
| 268 | + tc.insertText('<'+ut+arg+'>'+tc.selectedText()) |
| 269 | + self.tagsBox.setCurrentIndex(0) |
| 270 | + |
| 271 | + def insertSymbol(self, num): |
| 272 | + if num: |
| 273 | + self.editBox.insertPlainText('&'+self.usefulChars[num-1]+';') |
| 274 | + self.symbolBox.setCurrentIndex(0) |
| 275 | + |
| 276 | + def maybeSave(self): |
| 277 | + if not self.editBox.document().isModified(): |
| 278 | + return True |
| 279 | + ret = QMessageBox.warning(self, app_name, self.tr("The document has been modified.\nDo you want to save your changes?"), \ |
| 280 | + QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel) |
| 281 | + if ret == QMessageBox.Save: |
| 282 | + self.saveFileMain(False) |
| 283 | + return True |
| 284 | + elif ret == QMessageBox.Cancel: |
| 285 | + return False |
| 286 | + return True |
| 287 | + |
| 288 | + def closeEvent(self, closeevent): |
| 289 | + if self.maybeSave(): |
| 290 | + closeevent.accept() |
| 291 | + else: |
| 292 | + closeevent.ignore() |
| 293 | + |
| 294 | + def aboutDialog(self): |
| 295 | + QMessageBox.about(self, self.tr('About %1').arg(app_name), self.tr('This is %1, version %2\nAuthor: Dmitry Shachnev, 2011').arg(app_name, app_version)) |
| 296 | + |
| 297 | + def enableMarkup(self, markup): |
| 298 | + self.useMarkup = markup |
| 299 | + |
| 300 | + def parseText(self): |
| 301 | + htmltext = self.editBox.toPlainText() |
| 302 | + document = self.editBox.document() |
| 303 | + linecount = document.lineCount() |
| 304 | + if self.useMarkup: |
| 305 | + toinsert = "" |
| 306 | + ptagopened = False |
| 307 | + prevnotempty = False |
| 308 | + currentlist = 0 |
| 309 | + for i in range(linecount): |
| 310 | + islist = 0 |
| 311 | + line = document.findBlockByLineNumber(i).text() |
| 312 | + header = line.startsWith("<h") |
| 313 | + if not (line.isEmpty() or ptagopened or header): |
| 314 | + toinsert += "<p>" |
| 315 | + ptagopened = True |
| 316 | + if line.startsWith("* "): |
| 317 | + islist=1 |
| 318 | + if line.startsWith("# "): |
| 319 | + islist=2 |
| 320 | + if currentlist != islist: |
| 321 | + if currentlist == 1: |
| 322 | + toinsert += "</ul>" |
| 323 | + if currentlist == 2: |
| 324 | + toinsert += "</ol>" |
| 325 | + if islist == 1: |
| 326 | + toinsert += "<ul>" |
| 327 | + if islist == 2: |
| 328 | + toinsert += "<ol>" |
| 329 | + if line.isEmpty(): |
| 330 | + if (ptagopened): |
| 331 | + toinsert += "</p>" |
| 332 | + ptagopened = False |
| 333 | + elif (currentlist==0 and islist==0 and prevnotempty and not header): |
| 334 | + toinsert += "<br>" |
| 335 | + currentlist = islist |
| 336 | + prevnotempty = not (line.isEmpty() or header) |
| 337 | + if islist: |
| 338 | + toinsert += QString("<li>%1</li>").arg(line.right(line.length()-2)) |
| 339 | + else: |
| 340 | + toinsert += line |
| 341 | + if (currentlist==1): |
| 342 | + toinsert+="</ul>" |
| 343 | + if (currentlist==2): |
| 344 | + toinsert+="</ul>" |
| 345 | + if ptagopened: |
| 346 | + toinsert += "</p>" |
| 347 | + else: |
| 348 | + toinsert = htmltext |
| 349 | + return toinsert |
| 350 | + |
| 351 | +def main(): |
| 352 | + app = QApplication(sys.argv) |
| 353 | + RtTranslator = QTranslator() |
| 354 | + RtTranslator.load("retext_"+QLocale.system().name()) |
| 355 | + QtTranslator = QTranslator() |
| 356 | + QtTranslator.load("qt_"+QLocale.system().name(), QLibraryInfo.location(QLibraryInfo.TranslationsPath)) |
| 357 | + app.installTranslator(RtTranslator) |
| 358 | + app.installTranslator(QtTranslator) |
| 359 | + main = MainWindow() |
| 360 | + main.show() |
| 361 | + sys.exit(app.exec_()) |
| 362 | + |
| 363 | +if __name__ == '__main__': |
| 364 | + main() |
0 commit comments