open file

graphwidget.cpp

@@ -137,6 +137,11 @@ void GraphWidget::newFile()
     addFirstNode();
 
     this->show();
+
+    m_parent->enableCloseFile(true);
+    m_parent->enableSave(false);
+    m_parent->enableSaveAs(true);
+    m_parent->setTitle("untitled");
 }
 
 void GraphWidget::closeFile()
@@ -189,21 +194,31 @@ void GraphWidget::closeFile()
         removeAllNodes();
         this->hide();
     }
-}
-
-void GraphWidget::saveFile()
-{
 
+    m_parent->enableCloseFile(false);
+    m_parent->enableSave(false);
+    m_parent->enableSaveAs(false);
+    m_parent->setTitle("");
 }
 
 void GraphWidget::saveFileAs()
 {
-    QString fileName = QFileDialog::getSaveFileName(
-                this,
-                tr("Save File"),
-                QDir::homePath(),
-                tr("QtMindMap (*.qmm)"));
+    QFileDialog dialog(this,
+                       tr("Save MindMap as"),
+                       QDir::homePath(),
+                       tr("QtMindMap (*.qmm)"));
+    dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDefaultSuffix("qmm");
+
+    if (dialog.exec())
+    {
+        m_fileName = dialog.selectedFiles().first();
+        saveFile();
+    }
+}
 
+void GraphWidget::saveFile()
+{
     QDomDocument doc("QtMindMap");
 
     QDomElement root = doc.createElement("qtmindmap");
@@ -233,7 +248,7 @@ void GraphWidget::saveFileAs()
         edges_root.appendChild(cn);
     }
 
-    QFile file(fileName);
+    QFile file(m_fileName);
     if (!file.open(QIODevice::WriteOnly))
     {
         dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
@@ -249,13 +264,95 @@ void GraphWidget::saveFileAs()
     dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
                 tr("Saved."),
                 3000); // millisec
+
+    m_parent->enableCloseFile(true);
+    m_parent->enableSave(true);
+    m_parent->enableSaveAs(true);
+
+    m_parent->setTitle(m_fileName);
 }
 
 void GraphWidget::openFile()
 {
+    qDebug() << __PRETTY_FUNCTION__;
 
+    QFileDialog dialog(this,
+                       tr("Open MindMap"),
+                       QDir::homePath(),
+                       tr("QtMindMap (*.qmm)"));
+    dialog.setAcceptMode(QFileDialog::AcceptOpen);
+    dialog.setDefaultSuffix("qmm");
+
+    if (dialog.exec())
+    {
+        m_fileName = dialog.selectedFiles().first();
+        openFile(m_fileName);
+    }
 }
 
+void GraphWidget::openFile(const QString &fileName)
+{
+    m_fileName = fileName;
+    m_parent->enableCloseFile(true);
+    m_parent->enableSave(true);
+    m_parent->enableSaveAs(true);
+
+    m_parent->setTitle(fileName);
+
+    QDomDocument doc("QtMindMap");
+    QFile file(fileName);
+    if (!file.open(QIODevice::ReadOnly))
+    {
+        qDebug() << "faszom cannot read file";
+        return;
+    }
+
+    if (!doc.setContent(&file))
+    {
+        qDebug() << "cannot parse file";
+        file.close();
+        return;
+    }
+    file.close();
+
+    removeAllNodes();
+
+    QDomElement docElem = doc.documentElement();
+
+    QDomNodeList nodes = docElem.childNodes().item(0).childNodes();
+    for (unsigned int i = 0; i < nodes.length(); i++)
+    {
+        QDomElement e = nodes.item(i).toElement();
+        if(!e.isNull())
+        {
+            Node *node = new Node(this);
+            node->setHtml(e.attribute("htmlContent"));
+            m_scene->addItem(node);
+            node->setPos(e.attribute("x").toFloat(),
+                         e.attribute("y").toFloat());
+            m_nodeList.append(node);
+        }
+    }
+
+    QDomNodeList edges = docElem.childNodes().item(1).childNodes();
+    for (unsigned int i = 0; i < edges.length(); i++)
+    {
+        QDomElement e = edges.item(i).toElement();
+        if(!e.isNull())
+        {
+            m_scene->addItem(new Edge(m_nodeList[e.attribute("source").toInt()],
+
+                                      m_nodeList[e.attribute("destination").toInt()]));
+        }
+    }
+
+    m_activeNode = m_nodeList.first();
+    m_activeNode->setActive();
+
+    this->show();
+}
+
+
 QGraphicsScene *GraphWidget::getScene()
 {
     return m_scene;

graphwidget.h

@@ -32,6 +32,7 @@ public slots:
     void closeFile();
     void saveFile();
     void saveFileAs();
+    void openFile(const QString &fileName);
     void openFile();
 
 protected:
@@ -66,6 +67,7 @@ private:
     bool m_edgeAdding;
     bool m_edgeDeleting;
     bool m_contentChanged;
+    QString m_fileName;
 };
 
 #endif // GRAPHWIDGET_H

main.cpp

@@ -59,7 +59,7 @@ int main(int argc, char *argv[])
     }
 
     if (!argParser.filePath().isEmpty())
-        w.setFileName(argParser.filePath());
+        w.openFile(argParser.filePath());
 
     if (!argParser.isShowMinimized()) w.show();
     return a.exec();

mainwindow.cpp

@@ -68,7 +68,7 @@ void MainWindow::exportScene()
 {
     QFileDialog dialog(this,
                        tr("Export MindMap to image"),
-                       "/home/cs0rbagomba",
+                       QDir::homePath(),
                        tr("PNG image file (*.png)"));
     dialog.setAcceptMode(QFileDialog::AcceptSave);
     dialog.setDefaultSuffix("png");
@@ -117,3 +117,45 @@ QStatusBar * MainWindow::getStatusBar()
 {
     return m_ui->statusBar;
 }
+
+void MainWindow::openFile(QString fileName)
+{
+    m_fileName = fileName;
+    m_graphicsView->openFile(m_fileName);
+}
+
+void MainWindow::enableSave(const bool &enable)
+{
+    m_ui->actionSave->setEnabled(enable);
+}
+
+void MainWindow::enableSaveAs(const bool &enable)
+{
+    m_ui->actionSaveAs->setEnabled(enable);
+}
+
+void MainWindow::enableCloseFile(const bool &enable)
+{
+    m_ui->actionClose->setEnabled(enable);
+}
+
+void MainWindow::setTitle(const QString &title)
+{
+    if (title.isEmpty())
+    {
+        setWindowTitle("QtMindMap");
+    }
+    else
+    {
+        QString t(title);
+        t.append(" - QtMindMap");
+        setWindowTitle(t);
+    }
+}
+
+//void MainWindow::setModifiedTitle(const bool &modified)
+//{
+//    modified ?
+//       setWindowTitle(windowTitle().remove(0,2)) :
+//                setWindowTitle(windowTitle().prepend("* "));
+//}

mainwindow.h

@@ -19,7 +19,12 @@ public:
     ~MainWindow();
      QStatusBar * getStatusBar();
      QString getFileName() { return m_fileName; }
-     void setFileName(QString fileName) { m_fileName = fileName; }
+     void openFile(QString fileName);
+     void enableSave(const bool &enable = true);
+     void enableSaveAs(const bool &enable = true);
+     void enableCloseFile(const bool &enable = true);
+     void setTitle(const QString &title);
+//     void setModifiedTitle(const bool &modified = true);
 
 public slots:
 

mainwindow.ui

@@ -79,7 +79,7 @@
   </action>
   <action name="actionSave">
    <property name="enabled">
-    <bool>true</bool>
+    <bool>false</bool>
    </property>
    <property name="text">
     <string>&amp;Save</string>
@@ -103,7 +103,7 @@
   </action>
   <action name="actionClose">
    <property name="enabled">
-    <bool>true</bool>
+    <bool>false</bool>
    </property>
    <property name="text">
     <string>&amp;Close</string>
@@ -124,6 +124,9 @@
    </property>
   </action>
   <action name="actionSaveAs">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
    <property name="text">
     <string>Save&amp;As</string>
    </property>