Funcionando registros

Dark1024 · Sep 22, 2013 · 37aed04 · 37aed04
1 parent e9fa10f
commit 37aed04
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Showing 5 changed files with 153 additions and 11 deletions.
diff --git a/Proyecto_OA.pro.user b/Proyecto_OA.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 2.7.2, 2013-09-21T07:41:17. -->
+<!-- Written by QtCreator 2.7.2, 2013-09-21T19:31:48. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>

diff --git a/adtfilerecord.cpp b/adtfilerecord.cpp
@@ -241,3 +241,59 @@ bool ADTFileRecord::indexesIsEmpty()
         return true;
     return false;
 }
+
+Record* ADTFileRecord::getRecord(PrimaryIndex* pi)
+{
+    if(!this->isOpen()){
+        return NULL;
+    }
+
+    this->FS.seekg(pi->getOffset(),ios_base::beg);
+    this->FS.seekp(pi->getOffset(),ios_base::beg);
+
+    char* tmp = new char[this->recordLength + 1];
+
+    streamoff rl = this->recordLength;
+    this->FS.read(tmp,rl);
+    tmp[this->recordLength] = '\0';
+
+    string str (tmp);
+    QString qstr = QString::fromStdString(str);
+    vector<string> record;
+
+    int counter = 0;
+    for(int i = 0; i < this->fields.size(); i++){
+        Field* currentField = fields.at(i);
+
+        QString qstr2 = qstr.mid(counter,currentField->getLength());
+
+        cout<<qstr2.toStdString()<<endl;
+
+        qstr2 = qstr2.replace("_"," ");
+
+        record.push_back(qstr2.toStdString());
+
+        counter += currentField->getLength();
+    }
+
+    Record* newRecord = new Record(this->fields,record);
+    return newRecord;
+}
+
+void ADTFileRecord::insertIndex(string key, PrimaryIndex* index)
+{
+    this->indexes.insert(QString::fromStdString(key),index);
+}
+
+PrimaryIndex* ADTFileRecord::searchRecord(string key)
+{
+    if(!this->isOpen()){
+        return NULL;
+    }
+
+    if(!this->indexes.contains(QString::fromStdString(key))){
+        return NULL;
+    }
+
+    return this->indexes.value(QString::fromStdString(key));
+}
diff --git a/adtfilerecord.h b/adtfilerecord.h
@@ -22,7 +22,7 @@ using namespace std;
 
 class ADTFileRecord:public ADTFile
 {
-public:
+public:    
     ADTFileRecord();
     ADTFileRecord(string, int);
     virtual ~ADTFileRecord();
@@ -51,20 +51,20 @@ class ADTFileRecord:public ADTFile
     vector<PrimaryIndex*> getIndexes();
     bool addRecord(Record*);
     bool indexesIsEmpty();
-    //Record* getRecord(PrimaryIndex*);
-    //PrimaryIndex* searchRecord(string);
+    Record* getRecord(PrimaryIndex*);
+    PrimaryIndex* searchRecord(string);
     //bool deleteRecord(string);
-
+    void insertIndex(string, PrimaryIndex*);
 
 private:
     int recordLength;
     streamoff dataStart;
     string fileName;
-    fstream FS;
+    //fstream FS;
 
+    QMap<QString,PrimaryIndex*> indexes;
     QStack<streamoff> AvailList;
     vector<Field*> fields;
-    QMap<QString,PrimaryIndex*> indexes;
 };
 
 #endif // ADTFILERECORD_H
diff --git a/mainwindow.cpp b/mainwindow.cpp
@@ -92,6 +92,13 @@ void MainWindow::on_OpenFile_triggered()
 
         this->fileRecord.readHeader(header);
 
+        int rl = 0;
+        vector<Field*> fields = this->fileRecord.getFields();
+        for(int i = 0; i < fields.size(); i++){
+            rl += fields.at(i)->getLength();
+        }
+        this->fileRecord.setRecordLength(rl);
+
         //LEER EL ARCHIVO DE INDICES
 
         QString str = file.insert(file.size()-5,"-indices");
@@ -118,7 +125,7 @@ void MainWindow::on_OpenFile_triggered()
                 streamoff offset = atoll(list2.at(1).toStdString().c_str());
 
                 PrimaryIndex* newIndex = new PrimaryIndex(key,offset);
-                this->map.insert(key,newIndex);
+                this->fileRecord.insertIndex(key,newIndex);
             }
         }else{
             QMessageBox::critical(this,"Error","Hubo un error al momento de cargar al archivo de indices");
@@ -214,6 +221,14 @@ void MainWindow::on_createField_triggered()
         this->fileRecord.write(header.c_str(),header.size());
         this->fileRecord.flush();
 
+        vector<Field*> fields = this->fileRecord.getFields();
+        int rl = 0;
+        for(int i = 0; i < fields.size(); i++){
+            rl += fields.at(i)->getLength();
+        }
+        this->fileRecord.setRecordLength(rl);
+
+
         delete createField;
     }else{
         QMessageBox::critical(this,"Error","No tiene un archivo abierto para crear un Campo");
@@ -363,3 +378,72 @@ void MainWindow::on_insertRecord_triggered()
         delete newRecord;
     }
 }
+
+void MainWindow::on_searchRecord_triggered()
+{
+    vector<Field*> fields = this->fileRecord.getFields();
+    QString str;
+
+    for(int i = 0; i< fields.size(); i++){
+        Field* currentField = fields.at(i);
+        if(currentField->isKey()){
+            InputDialog* idialog = new InputDialog();
+            idialog->setField(currentField);
+            idialog->exec();
+
+            if(idialog->getString().isEmpty()){
+                return;
+            }
+
+            str = idialog->getString();
+            delete idialog;
+       }
+    }
+
+    PrimaryIndex* index = this->fileRecord.searchRecord(str.toStdString());
+
+    if(index == NULL){
+        QMessageBox::critical(this,"Error","El registro que buscaba no se encontro");
+        return;
+    }else{
+        Record* record = this->fileRecord.getRecord(index);
+        vector<string> r = record->getRecord();
+
+        QStandardItemModel* model = new QStandardItemModel(1,1,this);
+        for(int i = 0; i < fields.size(); i++){
+            model->setHorizontalHeaderItem(i,new QStandardItem(QString::fromStdString(fields[i]->getName())));
+        }
+
+        for(int i = 0; i < fields.size(); i++){
+            model->setItem(0,i,new QStandardItem(QString::fromStdString(r[i])));
+        }
+        delete record;
+        ui->MWTable->setModel(model);
+    }
+}
+
+void MainWindow::on_listRecord_triggered()
+{
+    QStandardItemModel* model = new QStandardItemModel(1,1,this);
+
+    vector<Field*> fields = this->fileRecord.getFields();
+    vector<PrimaryIndex*> indexes = this->fileRecord.getIndexes();
+
+    for(int i = 0; i < fields.size(); i++){
+        model->setHorizontalHeaderItem(i,new QStandardItem(QString::fromStdString(fields[i]->getName())));
+    }
+
+    for(int i = 0; i < indexes.size(); i++){
+        PrimaryIndex* currentIndex = indexes.at(i);
+        if(currentIndex != NULL){
+            Record* record = this->fileRecord.getRecord(currentIndex);
+            vector<string> r = record->getRecord();
+
+            for(int j = 0; j < fields.size(); j++){
+                model->setItem(i,j,new QStandardItem(QString::fromStdString(r[j])));
+            }
+            delete record;
+            ui->MWTable->setModel(model);
+        }
+    }
+}
diff --git a/mainwindow.h b/mainwindow.h
@@ -37,7 +37,7 @@ class MainWindow : public QMainWindow
 public:
     explicit MainWindow(QWidget *parent = 0);
     ~MainWindow();
-    
+
 private slots:
     void on_NewFile_triggered();
 
@@ -57,9 +57,11 @@ private slots:
 
     void on_insertRecord_triggered();
 
-private:
-    QMap<string,PrimaryIndex*> map;
+    void on_searchRecord_triggered();
 
+    void on_listRecord_triggered();
+
+private:
     ADTFile indicesFile;
     ADTFileRecord fileRecord;
     Ui::MainWindow *ui;