Changeset 31 in tspsg-svn for trunk/src/tspmodel.cpp

Timestamp:

Jun 30, 2009, 1:02:31 AM (16 years ago)

Author:

laleppa

Message:

+ Opening task file
+ Saving task file

• Translations update to reflect recent changes.

File:

• trunk/src/tspmodel.cpp (modified) (6 diffs)

trunk/src/tspmodel.cpp

@@ -22 +22 @@
  */
 
-#include <QtGui>
 #include "tspmodel.h"
 
@@ -109 +108 @@
 }
 
-int CTSPModel::numCities() const
+quint16 CTSPModel::numCities() const
 {
         return nCities;
@@ -116 +115 @@
 void CTSPModel::setNumCities(int n)
 {
-int randMin = settings->value("MinCost",DEF_RAND_MIN).toInt();
-int randMax = settings->value("MaxCost",DEF_RAND_MAX).toInt();
+// int randMin = settings->value("MinCost",DEF_RAND_MIN).toInt();
+// int randMax = settings->value("MaxCost",DEF_RAND_MAX).toInt();
         if (n == nCities)
                 return;
@@ -127 +126 @@
                                         table[r][c] = INFINITY;
                                 else
-                                        table[r][c] = rand(randMin,randMax);
+                                        table[r][c] = 0; // rand(randMin,randMax);
                 }
                 for (int r = nCities; r < n; r++) {
@@ -134 +133 @@
                                         table[r][c] = INFINITY;
                                 else
-                                        table[r][c] = rand(randMin,randMax);
+                                        table[r][c] = 0; // rand(randMin,randMax);
                 }
         }
@@ -148 +147 @@
                                 table[r][c] = 0;
         emit dataChanged(index(0,0),index(nCities - 1,nCities - 1));
+}
+
+void CTSPModel::loadTask(QString fname)
+{
+QFile f(fname);
+        f.open(QIODevice::ReadOnly);
+QDataStream ds(&f);
+        ds.setVersion(QDataStream::Qt_4_4);
+quint32 sig;
+        ds >> sig;
+        ds.device()->reset();
+        if (sig == TSPT)
+                loadTSPT(&ds);
+        else if ((sig >> 16) == ZKT)
+                loadZKT(&ds);
+        else
+                QMessageBox(QMessageBox::Critical,trUtf8("Task Load"),trUtf8("Unable to load task:\nUnknown file format or file is corrupted."),QMessageBox::Ok).exec();
+        f.close();
+}
+
+void CTSPModel::loadTSPT(QDataStream *ds)
+{
+        // Skipping signature
+        ds->skipRawData(sizeof(TSPT));
+        // File version
+quint8 version;
+        *ds >> version;
+        if (version > TSPT_VERSION) {
+                QMessageBox(QMessageBox::Critical,trUtf8("Task Load"),trUtf8("Unable to load task:\nFile version is newer than application supports.\nPlease, try to update application."),QMessageBox::Ok).exec();
+                return;
+        }
+        // Skipping metadata
+        ds->skipRawData(TSPT_META_SIZE);
+        // Cities number
+quint16 size;
+        *ds >> size;
+        if (nCities != size)
+                emit numCitiesChanged(size);
+        // Costs
+        for (int r = 0; r < size; r++)
+                for (int c = 0; c < size; c++)
+                        if (r != c)
+                                *ds >> table[r][c];
+        emit dataChanged(index(0,0),index(nCities - 1,nCities - 1));
+}
+
+void CTSPModel::loadZKT(QDataStream *ds)
+{
+        // Skipping signature
+        ds->skipRawData(sizeof(ZKT));
+        // File version
+quint16 version;
+        ds->readRawData(reinterpret_cast<char *>(&version),2);
+        if (version > ZKT_VERSION) {
+                QMessageBox(QMessageBox::Critical,trUtf8("Task Load"),trUtf8("Unable to load task:\nFile version is newer than application supports.\nPlease, try to update application."),QMessageBox::Ok).exec();
+                return;
+        }
+        // Cities number
+quint8 size;
+        ds->readRawData(reinterpret_cast<char *>(&size),1);
+        if (nCities != size)
+                emit numCitiesChanged(size);
+        // Costs
+double val;
+        for (int r = 0; r < size; r++)
+                for (int c = 0; c < size; c++)
+                        if (r != c) {
+                                ds->readRawData(reinterpret_cast<char *>(&val),8);
+                                table[r][c] = val;
+                        } else
+                                ds->skipRawData(8);
+        emit dataChanged(index(0,0),index(nCities - 1,nCities - 1));
+}
+
+void CTSPModel::saveTask(QString fname)
+{
+QFile f(fname);
+        f.open(QIODevice::WriteOnly);
+QDataStream ds(&f);
+        ds.setVersion(QDataStream::Qt_4_4);
+        // File signature
+        ds << TSPT;
+        // File version
+        ds << TSPT_VERSION;
+        // File metadata version
+        ds << TSPT_META_VERSION;
+        // Metadata
+        ds << OSID;
+        // Number of cities
+        ds << nCities;
+        // Costs
+        for (int r = 0; r < nCities; r++)
+                for (int c = 0; c < nCities; c++)
+                        if (r != c)
+                                ds << table[r][c];
+        f.close();
 }