Mercurial Repositories > eric / file comparison
comparison: Helpviewer/Download/DownloadItem.py
Helpviewer/Download/DownloadItem.py
- changeset 2055
- 9165261f3e06
- parent 1509
- c0b5e693b0eb
- child 2302
- f29e9405c851
equal
deleted
inserted
replaced
| 2054:099993935e6d | 2055:9165261f3e06 |
|---|---|
| 35 """ | 35 """ |
| 36 statusChanged = pyqtSignal() | 36 statusChanged = pyqtSignal() |
| 37 downloadFinished = pyqtSignal() | 37 downloadFinished = pyqtSignal() |
| 38 progress = pyqtSignal(int, int) | 38 progress = pyqtSignal(int, int) |
| 39 | 39 |
| 40 Downloading = 0 | |
| 41 DownloadSuccessful = 1 | |
| 42 DownloadCancelled = 2 | |
| 43 | |
| 40 def __init__(self, reply=None, requestFilename=False, webPage=None, | 44 def __init__(self, reply=None, requestFilename=False, webPage=None, |
| 41 download=False, parent=None, mainWindow=None): | 45 download=False, parent=None, mainWindow=None): |
| 42 """ | 46 """ |
| 43 Constructor | 47 Constructor |
| 44 | 48 |
| 56 p = self.infoLabel.palette() | 60 p = self.infoLabel.palette() |
| 57 p.setColor(QPalette.Text, Qt.darkGray) | 61 p.setColor(QPalette.Text, Qt.darkGray) |
| 58 self.infoLabel.setPalette(p) | 62 self.infoLabel.setPalette(p) |
| 59 | 63 |
| 60 self.progressBar.setMaximum(0) | 64 self.progressBar.setMaximum(0) |
| 65 | |
| 66 self.__isFtpDownload = reply is not None and reply.url().scheme() == "ftp" | |
| 61 | 67 |
| 62 self.tryAgainButton.setIcon(UI.PixmapCache.getIcon("restart.png")) | 68 self.tryAgainButton.setIcon(UI.PixmapCache.getIcon("restart.png")) |
| 63 self.tryAgainButton.setEnabled(False) | 69 self.tryAgainButton.setEnabled(False) |
| 64 self.tryAgainButton.setVisible(False) | 70 self.tryAgainButton.setVisible(False) |
| 65 self.stopButton.setIcon(UI.PixmapCache.getIcon("stopLoading.png")) | 71 self.stopButton.setIcon(UI.PixmapCache.getIcon("stopLoading.png")) |
| 66 self.pauseButton.setIcon(UI.PixmapCache.getIcon("pause.png")) | 72 self.pauseButton.setIcon(UI.PixmapCache.getIcon("pause.png")) |
| 67 self.openButton.setIcon(UI.PixmapCache.getIcon("open.png")) | 73 self.openButton.setIcon(UI.PixmapCache.getIcon("open.png")) |
| 68 self.openButton.setEnabled(False) | 74 self.openButton.setEnabled(False) |
| 69 self.openButton.setVisible(False) | 75 self.openButton.setVisible(False) |
| 76 if self.__isFtpDownload: | |
| 77 self.stopButton.setEnabled(False) | |
| 78 self.stopButton.setVisible(False) | |
| 79 self.pauseButton.setEnabled(False) | |
| 80 self.pauseButton.setVisible(False) | |
| 81 | |
| 82 self.__state = DownloadItem.Downloading | |
| 70 | 83 |
| 71 icon = self.style().standardIcon(QStyle.SP_FileIcon) | 84 icon = self.style().standardIcon(QStyle.SP_FileIcon) |
| 72 self.fileIcon.setPixmap(icon.pixmap(48, 48)) | 85 self.fileIcon.setPixmap(icon.pixmap(48, 48)) |
| 73 | 86 |
| 74 self.__mainWindow = mainWindow | 87 self.__mainWindow = mainWindow |
| 299 | 312 |
| 300 self.tryAgainButton.setEnabled(False) | 313 self.tryAgainButton.setEnabled(False) |
| 301 self.tryAgainButton.setVisible(False) | 314 self.tryAgainButton.setVisible(False) |
| 302 self.openButton.setEnabled(False) | 315 self.openButton.setEnabled(False) |
| 303 self.openButton.setVisible(False) | 316 self.openButton.setVisible(False) |
| 304 self.stopButton.setEnabled(True) | 317 if not self.__isFtpDownload: |
| 305 self.stopButton.setVisible(True) | 318 self.stopButton.setEnabled(True) |
| 306 self.pauseButton.setEnabled(True) | 319 self.stopButton.setVisible(True) |
| 307 self.pauseButton.setVisible(True) | 320 self.pauseButton.setEnabled(True) |
| 321 self.pauseButton.setVisible(True) | |
| 308 self.progressBar.setVisible(True) | 322 self.progressBar.setVisible(True) |
| 309 | 323 |
| 310 if self.__page: | 324 if self.__page: |
| 311 nam = self.__page.networkAccessManager() | 325 nam = self.__page.networkAccessManager() |
| 312 else: | 326 else: |
| 315 if self.__output.exists(): | 329 if self.__output.exists(): |
| 316 self.__output.remove() | 330 self.__output.remove() |
| 317 self.__output = QFile() | 331 self.__output = QFile() |
| 318 self.__reply = reply | 332 self.__reply = reply |
| 319 self.__initialize(tryAgain=True) | 333 self.__initialize(tryAgain=True) |
| 334 self.__state = DownloadItem.Downloading | |
| 320 self.statusChanged.emit() | 335 self.statusChanged.emit() |
| 321 | 336 |
| 322 @pyqtSlot(bool) | 337 @pyqtSlot(bool) |
| 323 def on_pauseButton_clicked(self, checked): | 338 def on_pauseButton_clicked(self, checked): |
| 324 """ | 339 """ |
| 343 def cancelDownload(self): | 358 def cancelDownload(self): |
| 344 """ | 359 """ |
| 345 Public slot to stop the download. | 360 Public slot to stop the download. |
| 346 """ | 361 """ |
| 347 self.setUpdatesEnabled(False) | 362 self.setUpdatesEnabled(False) |
| 348 self.stopButton.setEnabled(False) | 363 if not self.__isFtpDownload: |
| 349 self.stopButton.setVisible(False) | 364 self.stopButton.setEnabled(False) |
| 350 self.pauseButton.setEnabled(False) | 365 self.stopButton.setVisible(False) |
| 351 self.pauseButton.setVisible(False) | 366 self.pauseButton.setEnabled(False) |
| 367 self.pauseButton.setVisible(False) | |
| 352 self.tryAgainButton.setEnabled(True) | 368 self.tryAgainButton.setEnabled(True) |
| 353 self.tryAgainButton.setVisible(True) | 369 self.tryAgainButton.setVisible(True) |
| 354 self.openButton.setEnabled(False) | 370 self.openButton.setEnabled(False) |
| 355 self.openButton.setVisible(False) | 371 self.openButton.setVisible(False) |
| 356 self.setUpdatesEnabled(True) | 372 self.setUpdatesEnabled(True) |
| 373 self.__state = DownloadItem.DownloadCancelled | |
| 357 self.__reply.abort() | 374 self.__reply.abort() |
| 358 self.downloadFinished.emit() | 375 self.downloadFinished.emit() |
| 359 | 376 |
| 360 @pyqtSlot() | 377 @pyqtSlot() |
| 361 def on_openButton_clicked(self): | 378 def on_openButton_clicked(self): |
| 547 """ | 564 """ |
| 548 Public method to determine, if a download is in progress. | 565 Public method to determine, if a download is in progress. |
| 549 | 566 |
| 550 @return flag indicating a download is in progress (boolean) | 567 @return flag indicating a download is in progress (boolean) |
| 551 """ | 568 """ |
| 552 return self.stopButton.isEnabled() | 569 return self.__state == DownloadItem.Downloading |
| 553 | 570 |
| 554 def downloadedSuccessfully(self): | 571 def downloadedSuccessfully(self): |
| 555 """ | 572 """ |
| 556 Public method to check for a successful download. | 573 Public method to check for a successful download. |
| 557 | 574 |
| 558 @return flag indicating a successful download (boolean) | 575 @return flag indicating a successful download (boolean) |
| 559 """ | 576 """ |
| 560 return self.stopButton.isHidden() and self.tryAgainButton.isHidden() | 577 return self.__state == DownloadItem.DownloadSuccessful |
| 561 | 578 |
| 562 def downloadCanceled(self): | 579 def downloadCanceled(self): |
| 563 """ | 580 """ |
| 564 Public method to check, if the download was cancelled. | 581 Public method to check, if the download was cancelled. |
| 565 | 582 |
| 566 @return flag indicating a canceled download (boolean) | 583 @return flag indicating a canceled download (boolean) |
| 567 """ | 584 """ |
| 568 return self.tryAgainButton.isEnabled() | 585 return self.__state == DownloadItem.DownloadCancelled |
| 569 | 586 |
| 570 def __finished(self): | 587 def __finished(self): |
| 571 """ | 588 """ |
| 572 Private slot to handle the download finished. | 589 Private slot to handle the download finished. |
| 573 """ | 590 """ |
| 576 return | 593 return |
| 577 | 594 |
| 578 noError = self.__reply.error() == QNetworkReply.NoError | 595 noError = self.__reply.error() == QNetworkReply.NoError |
| 579 | 596 |
| 580 self.progressBar.setVisible(False) | 597 self.progressBar.setVisible(False) |
| 581 self.stopButton.setEnabled(False) | 598 if not self.__isFtpDownload: |
| 582 self.stopButton.setVisible(False) | 599 self.stopButton.setEnabled(False) |
| 583 self.pauseButton.setEnabled(False) | 600 self.stopButton.setVisible(False) |
| 584 self.pauseButton.setVisible(False) | 601 self.pauseButton.setEnabled(False) |
| 602 self.pauseButton.setVisible(False) | |
| 585 self.openButton.setEnabled(noError) | 603 self.openButton.setEnabled(noError) |
| 586 self.openButton.setVisible(noError) | 604 self.openButton.setVisible(noError) |
| 587 self.__output.close() | 605 self.__output.close() |
| 588 if QFile.exists(self.__fileName): | 606 if QFile.exists(self.__fileName): |
| 589 QFile.remove(self.__fileName) | 607 QFile.remove(self.__fileName) |
| 590 self.__output.rename(self.__fileName) | 608 self.__output.rename(self.__fileName) |
| 591 self.__updateInfoLabel() | 609 self.__updateInfoLabel() |
| 610 self.__state = DownloadItem.DownloadSuccessful | |
| 592 self.statusChanged.emit() | 611 self.statusChanged.emit() |
| 593 self.downloadFinished.emit() | 612 self.downloadFinished.emit() |
| 594 | 613 |
| 595 if self.__autoOpen: | 614 if self.__autoOpen: |
| 596 self.__open() | 615 self.__open() |
| 645 URL of the related web page (QUrl, string, boolean, QUrl) | 664 URL of the related web page (QUrl, string, boolean, QUrl) |
| 646 """ | 665 """ |
| 647 self.__url = data[0] | 666 self.__url = data[0] |
| 648 self.__fileName = data[1] | 667 self.__fileName = data[1] |
| 649 self.__pageUrl = data[3] | 668 self.__pageUrl = data[3] |
| 669 self.__isFtpDownload = self.__url.scheme() == "ftp" | |
| 650 | 670 |
| 651 self.filenameLabel.setText(QFileInfo(self.__fileName).fileName()) | 671 self.filenameLabel.setText(QFileInfo(self.__fileName).fileName()) |
| 652 self.infoLabel.setText(self.__fileName) | 672 self.infoLabel.setText(self.__fileName) |
| 653 | 673 |
| 654 self.stopButton.setEnabled(False) | 674 self.stopButton.setEnabled(False) |
| 657 self.pauseButton.setVisible(False) | 677 self.pauseButton.setVisible(False) |
| 658 self.openButton.setEnabled(data[2]) | 678 self.openButton.setEnabled(data[2]) |
| 659 self.openButton.setVisible(data[2]) | 679 self.openButton.setVisible(data[2]) |
| 660 self.tryAgainButton.setEnabled(not data[2]) | 680 self.tryAgainButton.setEnabled(not data[2]) |
| 661 self.tryAgainButton.setVisible(not data[2]) | 681 self.tryAgainButton.setVisible(not data[2]) |
| 682 if data[2]: | |
| 683 self.__state = DownloadItem.DownloadSuccessful | |
| 684 else: | |
| 685 self.__state = DownloadItem.DownloadCancelled | |
| 662 self.progressBar.setVisible(False) | 686 self.progressBar.setVisible(False) |
| 663 | 687 |
| 664 def getInfoData(self): | 688 def getInfoData(self): |
| 665 """ | 689 """ |
| 666 Public method to get the text of the info label. | 690 Public method to get the text of the info label. |
