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orphaned image deletion implementation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| #include <QDebug> | ||
| #include <QKeyEvent> | ||
| #include <entities/notefolder.h> | ||
| #include <entities/note.h> | ||
| #include <QTreeWidgetItem> | ||
| #include <QGraphicsPixmapItem> | ||
| #include <QtWidgets/QMessageBox> | ||
| #include "orphanedimagesdialog.h" | ||
| #include "ui_orphanedimagesdialog.h" | ||
|
|
||
| OrphanedImagesDialog::OrphanedImagesDialog(QWidget *parent) : | ||
| MasterDialog(parent), | ||
| ui(new Ui::OrphanedImagesDialog) { | ||
| ui->setupUi(this); | ||
| ui->fileTreeWidget->installEventFilter(this); | ||
|
|
||
| QDir mediaDir(NoteFolder::currentMediaPath()); | ||
|
|
||
| if (!mediaDir.exists()) { | ||
| ui->progressBar->setValue(ui->progressBar->maximum()); | ||
| return; | ||
| } | ||
|
|
||
| QStringList orphanedFiles = mediaDir.entryList( | ||
| QStringList("*"), QDir::Files, QDir::Time); | ||
| orphanedFiles.removeDuplicates(); | ||
|
|
||
| QList<Note> noteList = Note::fetchAll(); | ||
| int noteListCount = noteList.count(); | ||
|
|
||
| ui->progressBar->setMaximum(noteListCount); | ||
| ui->progressBar->show(); | ||
|
|
||
| Q_FOREACH(Note note, noteList) { | ||
| QString text = note.getNoteText(); | ||
|
|
||
| // match image links like  | ||
| QRegularExpression re( | ||
| "!\\[.*?\\]\\(file:\\/\\/media/(.+?)\\)"); | ||
| QRegularExpressionMatchIterator i = re.globalMatch(text); | ||
|
|
||
| // remove all found images from the orphaned files list | ||
| while (i.hasNext()) { | ||
| QRegularExpressionMatch match = i.next(); | ||
| QString fileName = match.captured(1); | ||
| orphanedFiles.removeAll(fileName); | ||
| } | ||
|
|
||
| ui->progressBar->setValue(ui->progressBar->value() + 1); | ||
| } | ||
|
|
||
| ui->progressBar->hide(); | ||
|
|
||
| Q_FOREACH(QString fileName, orphanedFiles) { | ||
| QTreeWidgetItem *item = new QTreeWidgetItem(); | ||
| item->setText(0, fileName); | ||
| item->setData(0, Qt::UserRole, fileName); | ||
|
|
||
| QString filePath = getFilePath(item); | ||
| QFileInfo info(filePath); | ||
| item->setToolTip(0, tr("Last modified at %1").arg( | ||
| info.lastModified().toString())); | ||
|
|
||
| ui->fileTreeWidget->addTopLevelItem(item); | ||
| } | ||
| } | ||
|
|
||
| OrphanedImagesDialog::~OrphanedImagesDialog() { | ||
| delete ui; | ||
| } | ||
|
|
||
| /** | ||
| * Shows the currently selected image | ||
| * | ||
| * @param current | ||
| * @param previous | ||
| */ | ||
| void OrphanedImagesDialog::on_fileTreeWidget_currentItemChanged( | ||
| QTreeWidgetItem *current, QTreeWidgetItem *previous) { | ||
| Q_UNUSED(previous); | ||
|
|
||
| QGraphicsScene *scene = new QGraphicsScene(); | ||
| QString filePath = getFilePath(current); | ||
|
|
||
| if (!filePath.isEmpty()) { | ||
| scene->addPixmap(QPixmap(filePath)); | ||
| } | ||
|
|
||
| ui->graphicsView->setScene(scene); | ||
| } | ||
|
|
||
| /** | ||
| * Gets the file path of a tree widget item | ||
| * | ||
| * @param item | ||
| * @return | ||
| */ | ||
| QString OrphanedImagesDialog::getFilePath(QTreeWidgetItem *item) { | ||
| if (item == Q_NULLPTR) { | ||
| return ""; | ||
| } | ||
|
|
||
| QString fileName = NoteFolder::currentMediaPath() + QDir::separator() + | ||
| item->data(0, Qt::UserRole).toString(); | ||
| return fileName; | ||
| } | ||
|
|
||
| /** | ||
| * Deletes selected images | ||
| */ | ||
| void OrphanedImagesDialog::on_deleteButton_clicked() { | ||
| int selectedItemsCount = ui->fileTreeWidget->selectedItems().count(); | ||
|
|
||
| if (selectedItemsCount == 0) { | ||
| return; | ||
| } | ||
|
|
||
| if (QMessageBox::information( | ||
| this, | ||
| tr("Delete selected files"), | ||
| tr("Delete <strong>%n</strong> selected files(s)?", | ||
| "", selectedItemsCount), | ||
| tr("&Delete"), tr("&Cancel"), QString::null, | ||
| 0, 1) == 1) { | ||
| return; | ||
| } | ||
|
|
||
| // delete all selected files | ||
| Q_FOREACH(QTreeWidgetItem *item, ui->fileTreeWidget->selectedItems()) { | ||
| QString filePath = getFilePath(item); | ||
| bool removed = QFile::remove(filePath); | ||
|
|
||
| if (removed) { | ||
| delete item; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Event filters | ||
| * | ||
| * @param obj | ||
| * @param event | ||
| * @return | ||
| */ | ||
| bool OrphanedImagesDialog::eventFilter(QObject *obj, QEvent *event) { | ||
| if (event->type() == QEvent::KeyPress) { | ||
| QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event); | ||
|
|
||
| if (obj == ui->fileTreeWidget) { | ||
| // delete the currently selected images | ||
| if ((keyEvent->key() == Qt::Key_Delete) || | ||
| (keyEvent->key() == Qt::Key_Backspace)) { | ||
| on_deleteButton_clicked(); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| return MasterDialog::eventFilter(obj, event); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| #pragma once | ||
|
|
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| #include <QDialog> | ||
| #include <QTreeWidgetItem> | ||
| #include <QEvent> | ||
| #include "masterdialog.h" | ||
|
|
||
| namespace Ui { | ||
| class OrphanedImagesDialog; | ||
| } | ||
|
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| class OrphanedImagesDialog : public MasterDialog | ||
| { | ||
| Q_OBJECT | ||
|
|
||
| public: | ||
| explicit OrphanedImagesDialog(QWidget *parent = 0); | ||
| ~OrphanedImagesDialog(); | ||
|
|
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| protected: | ||
| bool eventFilter(QObject *obj, QEvent *event); | ||
|
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| private slots: | ||
| void on_fileTreeWidget_currentItemChanged( | ||
| QTreeWidgetItem *current, QTreeWidgetItem *previous); | ||
|
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| void on_deleteButton_clicked(); | ||
|
|
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| private: | ||
| Ui::OrphanedImagesDialog *ui; | ||
|
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| QString getFilePath(QTreeWidgetItem *item); | ||
| }; |
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