Now successfully removes metadata

Picture.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.0.1, 2014-06-18T13:21:56. -->
+<!-- Written by QtCreator 3.0.1, 2014-06-18T14:39:43. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>

picture.cpp

@@ -5,57 +5,72 @@
 #include <iostream>
 #include <stdio.h>
 #include <QDebug>
+#include <QImageReader>
 
 Picture::Picture(QWidget *parent) :
-    QMainWindow(parent),
-    ui(new Ui::Picture){
+  QMainWindow(parent),
+  ui(new Ui::Picture){
     ui->setupUi(this);
     connect(ui->actionOpen_Files,SIGNAL(triggered()),this,SLOT(changeDirectory()));
-    changeDirectory();
+    //changeDirectory();
     fillList();
-}
+  }
 std::string exec(char* cmd) {
-    FILE* pipe = popen(cmd, "r");
-    if (!pipe) return "ERROR";
-    char buffer[128];
-    std::string result = "";
-    while(!feof(pipe)) {
-        if(fgets(buffer, 128, pipe) != NULL){
-            result += buffer;
-        }
+  FILE* pipe = popen(cmd, "r");
+  if (!pipe) return "ERROR";
+  char buffer[128];
+  std::string result = "";
+  while(!feof(pipe)) {
+    if(fgets(buffer, 128, pipe) != NULL){
+      result += buffer;
     }
-    pclose(pipe);
-    return result;
+  }
+  pclose(pipe);
+  return result;
 }
 Picture::~Picture(){
-    delete ui;
+  delete ui;
 }
 void Picture::changeDirectory(){
-    QString path=QFileDialog::getExistingDirectory(this,tr("Directory"),directory.path());
-    if(path.isNull()==false){
-        directory.setPath(path);
-        fillList();
-    }
-    //exec("which exiv2>>/tmp/log");
+  QString path=QFileDialog::getExistingDirectory(this,tr("Directory"),directory.path());
+  if(path.isNull()==false){
+    directory.setPath(path);
+    fillList();
+  }
+  //exec("which exiv2>>/tmp/log");
 }
 
 void Picture::fillList() {
-    ui->fileList->clear();
-    ui->fileList->addItems(directory.entryList());
+  ui->fileList->clear();
+  ui->fileList->addItems(directory.entryList());
 }
 
 void Picture::on_cd_clicked(){
-    changeDirectory();
+  changeDirectory();
 }
 
 void Picture::on_erase_clicked(){
-    foreach(const QString &str,directory.entryList()){
-        QString tmp=QString("echo ");
-        tmp+=str+">>/tmp/log";
+  foreach(const QString &str,directory.entryList()){
+    QString tmp=QString("exiv2 rm ");
+    QImageReader reader(directory.absolutePath()+"/"+str);
+    if(!reader.format().isEmpty()){
+        tmp+=directory.absolutePath()+"/"+str+">>/tmp/log";
+        std::string tmp2=tmp.toStdString();
+        char* a=new char[tmp2.size()+1];
+        a[tmp2.size()]=0;
+        memcpy(a,tmp2.c_str(),tmp2.size());
+        exec(a);
+    }else{
+        tmp="echo "+directory.absolutePath()+"/"+str+">>/tmp/log";
         std::string tmp2=tmp.toStdString();
         char* a=new char[tmp2.size()+1];
         a[tmp2.size()]=0;
         memcpy(a,tmp2.c_str(),tmp2.size());
         exec(a);
     }
+  }
+}
+
+void Picture::on_refresh_clicked(){
+  fillList();
 }

picture.h

@@ -25,6 +25,8 @@ private slots:
 
     void on_erase_clicked();
 
+    void on_refresh_clicked();
+
 private:
     Ui::Picture *ui;
     QDir directory;

picture.ui

@@ -37,9 +37,9 @@
         </widget>
        </item>
        <item>
-        <widget class="QPushButton" name="erase">
+        <widget class="QPushButton" name="refresh">
          <property name="text">
-          <string>Erase Metadata</string>
+          <string>Refresh Directory</string>
          </property>
         </widget>
        </item>
@@ -47,6 +47,19 @@
      </item>
     </layout>
    </widget>
+   <widget class="QPushButton" name="erase">
+    <property name="geometry">
+     <rect>
+      <x>270</x>
+      <y>10</y>
+      <width>124</width>
+      <height>27</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Erase Metadata</string>
+    </property>
+   </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">
    <property name="geometry">