tempo-plotter Changeset - 6af8069441ab · protofusion repositories

Changeset - 6af8069441ab

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snapshots

0 2 0

Hasan Yavuz ÖZDERYA - 10 years ago 2015-09-30 00:21:05
hy@ozderya.net

load snapshots from multiple files

2 files changed with 20 insertions and 11 deletions:

snapshotmanager.cpp

snapshotmanager.h

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snapshotmanager.cpp

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@@ @@ -4,40 +4,40 @@ @@
 #include <QKeySequence>
 #include <QFileDialog>
 #include <QFile>
 #include <QVector>
 #include <QPointF>
 #include "snapshotmanager.h"
 SnapshotManager::SnapshotManager(QMainWindow* mainWindow,
                                  QList<FrameBuffer*>* channelBuffers) :
     _menu("Snapshots"),
     _takeSnapshotAction("Take Snapshot", this),
-    loadSnapshotAction("Load Snapshot", this),
+    loadSnapshotAction("Load Snapshots", this),
     clearAction("Clear Snapshots", this)
+{
     _mainWindow = mainWindow;
     _channelBuffers = channelBuffers;
     _takeSnapshotAction.setToolTip("Take a snapshot of current plot (F5)");
     _takeSnapshotAction.setShortcut(QKeySequence("F5"));
-    loadSnapshotAction.setToolTip("Load a snapshot from CSV file");
+    loadSnapshotAction.setToolTip("Load snapshots from CSV files");
     clearAction.setToolTip("Delete all snapshots");
     connect(&_takeSnapshotAction, SIGNAL(triggered(bool)),
             this, SLOT(takeSnapshot()));
     connect(&clearAction, SIGNAL(triggered(bool)),
             this, SLOT(clearSnapshots()));
     connect(&loadSnapshotAction, SIGNAL(triggered(bool)),
-            this, SLOT(loadSnapshot()));
+            this, SLOT(loadSnapshots()));
     updateMenu();
+}
 SnapshotManager::~SnapshotManager()
+{
     for (auto snapshot : snapshots)
+    {
         delete snapshot;
+    }
+}
@@ @@ -52,30 +52,30 @@ void SnapshotManager::takeSnapshot() @@
     for (unsigned ci = 0; ci < numOfChannels; ci++)
+    {
         snapShot->data.append(QVector<QPointF>(numOfSamples));
         for (unsigned i = 0; i < numOfSamples; i++)
+        {
             snapShot->data[ci][i] = _channelBuffers->at(ci)->sample(i);
+        }
+    }
     addSnapshot(snapShot);
+}
 void SnapshotManager::addSnapshot(SnapShot* snapshot)
+void SnapshotManager::addSnapshot(SnapShot* snapshot, bool update_menu)
+{
     snapshots.append(snapshot);
     QObject::connect(snapshot, &SnapShot::deleteRequested,
                      this, &SnapshotManager::deleteSnapshot);
     updateMenu();
+    if (update_menu) updateMenu();
+}
 void SnapshotManager::updateMenu()
+{
     _menu.clear();
     _menu.addAction(&_takeSnapshotAction);
     _menu.addAction(&loadSnapshotAction);
     if (snapshots.size())
+    {
         _menu.addSeparator();
         for (auto ss : snapshots)
+        {
@@ @@ -94,30 +94,38 @@ void SnapshotManager::clearSnapshots() @@
+    }
     snapshots.clear();
     updateMenu();
+}
 void SnapshotManager::deleteSnapshot(SnapShot* snapshot)
+{
     snapshots.removeOne(snapshot);
     snapshot->deleteLater(); // regular delete causes a crash when triggered from menu
     updateMenu();
+}
-void SnapshotManager::loadSnapshot()
+void SnapshotManager::loadSnapshots()
+{
-    QString fileName = QFileDialog::getOpenFileName(_mainWindow, tr("Load CSV File"));
+    auto files = QFileDialog::getOpenFileNames(_mainWindow, tr("Load CSV File"));
     if (fileName.isNull()) return; // user canceled
     for (auto f : files)
+    {
         if (!f.isNull()) loadSnapshotFromFile(f);
+    }
     updateMenu();
+}
 void SnapshotManager::loadSnapshotFromFile(QString fileName)
+{
     QFile file(fileName);
     if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+    {
         qCritical() << "Couldn't open file: " << fileName;
         qCritical() << file.errorString();
         return;
+    }
     // read first row as headlines and determine number of channels
     auto headLine = QString(file.readLine());
     unsigned numOfChannels = headLine.split(',').size();
@@ @@ -149,24 +157,24 @@ void SnapshotManager::loadSnapshot() @@
                             << ": can't convert \"" << split[ci]
                             << "\" to double.";
                 return;
+            }
             data[ci].append(QPointF(lineNum-1, y));
+        }
         lineNum++;
+    }
     auto snapshot = new SnapShot(_mainWindow, QFileInfo(fileName).baseName());
     snapshot->data = data;
     addSnapshot(snapshot);
+    addSnapshot(snapshot, false);
+}
 QMenu* SnapshotManager::menu()
+{
     return &_menu;
+}
 QAction* SnapshotManager::takeSnapshotAction()
+{
     return &_takeSnapshotAction;
+}

snapshotmanager.h

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@@ @@ -24,23 +24,24 @@ public: @@
 private:
     QMainWindow* _mainWindow;
     QList<FrameBuffer*>* _channelBuffers;
     QList<SnapShot*> snapshots;
     QMenu _menu;
     QAction _takeSnapshotAction;
     QAction loadSnapshotAction;
     QAction clearAction;
     void addSnapshot(SnapShot* snapshot);
+    void addSnapshot(SnapShot* snapshot, bool update_menu=true);
     void updateMenu();
 private slots:
     void takeSnapshot();
     void clearSnapshots();
     void deleteSnapshot(SnapShot* snapshot);
     void loadSnapshot();
     void loadSnapshots();
     void loadSnapshotFromFile(QString fileName);
 };
 #endif /* SNAPSHOTMANAGER_H */

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