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qtmindmap
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refactor: new/close/save/saveAs/open file dialogs (user interactions) are handled in MainWidget, GraphWidget only saves and reads the data.

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master
Denes Matetelki 14 years ago
parent 03042f5906
commit c65bb1f5f3
5 changed files with 258 additions and 381 deletions
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353
graphwidget.cpp
Unescape View File

@ -33,283 +33,36 @@ GraphWidget::GraphWidget(MainWindow *parent) :
setTransformationAnchor(AnchorUnderMouse);
setMinimumSize(400, 400);
// Node *node1 = new Node(this);
// node1->setHtml(QString("<img src=:/heart.svg width=40 height=40></img>"));
// m_scene->addItem(node1);
// node1->setPos(-10, -10);
// node1->setBorder(false);
// m_nodeList.append(node1);
/*
Node *node2 = new Node(this);
node2->setHtml(QString("work: <a href=www.hup.hu>hup.hu</a>"));
m_scene->addItem(node2);
node2->setPos(60, -10);
m_nodeList.append(node2);
Node *node3 = new Node(this);
node3->setHtml(QString("read"));
m_scene->addItem(node3);
node3->setPos(-70, -10);
m_nodeList.append(node3);
Node *node4 = new Node(this);
node4->setHtml(QString("pragmatic programmer"));
m_scene->addItem(node4);
node4->setPos(-120, -80);
m_nodeList.append(node4);
Node *node5 = new Node(this);
node5->setHtml(QString("semmi kulonos"));
m_scene->addItem(node5);
node5->setPos(-10, 50);
m_nodeList.append(node5);
Node *node6 = new Node(this);
node6->setHtml(QString("rape goats"));
m_scene->addItem(node6);
node6->setPos(-10, 100);
m_nodeList.append(node6);
Node *node7 = new Node(this);
node7->setHtml(QString("node <h1>important</h1> shit"));
m_scene->addItem(node7);
node7->setPos(-200, 50);
m_nodeList.append(node7);
Node *node8 = new Node(this);
node8->setHtml(QString("more than\none lins"));
m_scene->addItem(node8);
node8->setPos(50, -80);
m_nodeList.append(node8);
Node *node9 = new Node(this);
node9->setHtml(QString("iam a <b>bald</b> and <i>italian</i> guy"));
m_scene->addItem(node9);
node9->setPos(90, 90);
m_nodeList.append(node9);
Node *node10 = new Node(this);
node10->setHtml(QString("no joke <br> anotehr line"));
m_scene->addItem(node10);
node10->setPos(-160, -10);
m_nodeList.append(node10);
Node *node11 = new Node(this);
node11->setHtml(QString("salalal"));
m_scene->addItem(node11);
node11->setPos(-120, -120);
m_nodeList.append(node11);
Node *node12 = new Node(this);
node12->setHtml(QString("lalalala"));
m_scene->addItem(node12);
node12->setPos(170, -10);
m_nodeList.append(node12);;
node12->setTextInteractionFlags(Qt::TextEditable);
m_scene->addItem(new Edge(node1, node2));
m_scene->addItem(new Edge(node1, node3));
m_scene->addItem(new Edge(node3, node4));
m_scene->addItem(new Edge(node1, node5));
m_scene->addItem(new Edge(node5, node6));
m_scene->addItem(new Edge(node4, node11));
m_scene->addItem(new Edge(node2, node12));
m_scene->addItem(new Edge(node3, node10));
m_scene->addItem(new Edge(node10, node7));
m_scene->addItem(new Edge(node5, node7));
m_scene->addItem(new Edge(node2, node8));
m_scene->addItem(new Edge(node2, node9));
*/
// m_activeNode = m_nodeList.first();
// m_activeNode->setActive();
//addFirstNode();
/// @todo open file somewhere
connect(m_scene, SIGNAL(changed(const QList<QRectF> &)),
m_parent, SLOT(contentChanged()));
}
void GraphWidget::newFile()
void GraphWidget::newScene()
{
removeAllNodes();
addFirstNode();
this->show();
m_parent->enableCloseFile(true);
m_parent->enableSave(false);
m_parent->enableSaveAs(true);
m_parent->setTitle("untitled");
}
void GraphWidget::closeFile()
{
m_contentChanged = true;
if (m_contentChanged)
{
int ret = QMessageBox::warning(
this,
tr("QtMindMap - The document has been modified"),
m_parent->getFileName().
append("\n\n").
append(tr("Do you want to save your changes?")),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel,
QMessageBox::Save);
switch (ret) {
case QMessageBox::Save:
// Save was clicked
{
QString fileName = QFileDialog::getSaveFileName(
this,
tr("Save File"),
QDir::homePath(),
tr("QtMindMap (*.qmm)"));
qDebug() << fileName;
/// @todo save content to file
break;
}
case QMessageBox::Discard:
// Don't Save was clicked
removeAllNodes();
this->hide();
break;
case QMessageBox::Cancel:
// Cancel was clicked
return;
default:
// should never be reached
break;
}
}
else
{
removeAllNodes();
this->hide();
}
m_parent->enableCloseFile(false);
m_parent->enableSave(false);
m_parent->enableSaveAs(false);
m_parent->setTitle("");
}
void GraphWidget::saveFileAs()
{
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()
void GraphWidget::closeScene()
{
QDomDocument doc("QtMindMap");
QDomElement root = doc.createElement("qtmindmap");
doc.appendChild( root );
// nodes
QDomElement nodes_root = doc.createElement("nodes");
root.appendChild(nodes_root);
foreach(Node *node, m_nodeList)
{
QDomElement cn = doc.createElement("nodes");
cn.setAttribute( "id", QString::number(m_nodeList.indexOf(node)));
cn.setAttribute( "x", QString::number(node->pos().x()));
cn.setAttribute( "y", QString::number(node->pos().y()));
cn.setAttribute( "htmlContent", node->toHtml());
nodes_root.appendChild(cn);
}
//edges
QDomElement edges_root = doc.createElement("edges");
root.appendChild(edges_root);
foreach(Edge *edge, edges())
{
QDomElement cn = doc.createElement("edge");
cn.setAttribute( "source", QString::number(m_nodeList.indexOf(edge->sourceNode())));
cn.setAttribute( "destination", QString::number(m_nodeList.indexOf(edge->destNode())));
edges_root.appendChild(cn);
}
QFile file(m_fileName);
if (!file.open(QIODevice::WriteOnly))
{
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Couldn't open file to write."),
3000); // millisec
return;
}
QTextStream ts( &file );
ts << doc.toString();
file.close();
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);
}
removeAllNodes();
this->hide();
}
void GraphWidget::openFile(const QString &fileName)
void GraphWidget::readContentFromFile(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";
m_parent->statusBarMsg(tr("Couldn't read file."));
return;
}
if (!doc.setContent(&file))
{
qDebug() << "cannot parse file";
m_parent->statusBarMsg(tr("Couldn't parse XML file"));
file.close();
return;
}
@ -352,6 +105,50 @@ void GraphWidget::openFile(const QString &fileName)
this->show();
}
void GraphWidget::writeContentToFile(const QString &fileName)
{
QDomDocument doc("QtMindMap");
QDomElement root = doc.createElement("qtmindmap");
doc.appendChild( root );
// nodes
QDomElement nodes_root = doc.createElement("nodes");
root.appendChild(nodes_root);
foreach(Node *node, m_nodeList)
{
QDomElement cn = doc.createElement("nodes");
// cn.setAttribute( "id", QString::number(m_nodeList.indexOf(node)));
cn.setAttribute( "x", QString::number(node->pos().x()));
cn.setAttribute( "y", QString::number(node->pos().y()));
cn.setAttribute( "htmlContent", node->toHtml());
nodes_root.appendChild(cn);
}
//edges
QDomElement edges_root = doc.createElement("edges");
root.appendChild(edges_root);
foreach(Edge *edge, edges())
{
QDomElement cn = doc.createElement("edge");
cn.setAttribute( "source", QString::number(m_nodeList.indexOf(edge->sourceNode())));
cn.setAttribute( "destination", QString::number(m_nodeList.indexOf(edge->destNode())));
edges_root.appendChild(cn);
}
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
m_parent->statusBarMsg(tr("Couldn't open file to write."));
return;
}
QTextStream ts( &file );
ts << doc.toString();
file.close();
m_parent->statusBarMsg(tr("Saved."));
}
QGraphicsScene *GraphWidget::getScene()
{
@ -388,9 +185,7 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
event->key() == Qt::Key_Left ||
event->key() == Qt::Key_Right))))
{
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("No active node."),
3000); // millisec
m_parent->statusBarMsg(tr("No active node."));
return;
}
@ -402,16 +197,12 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
if (m_edgeAdding)
{
m_edgeAdding = false;
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Edge adding cancelled"),
3000); // millisec
m_parent->statusBarMsg(tr("Edge adding cancelled"));
}
else if (m_edgeDeleting)
{
m_edgeDeleting = false;
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Edge deleting cancelled"),
3000); // millisec
m_parent->statusBarMsg(tr("Edge deleting cancelled"));
}
else if(m_showingNodeNumbers)
{
@ -517,9 +308,7 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
if (m_nodeList.size()==1)
{
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Last node cannot be deleted."),
3000); // millisec
m_parent->statusBarMsg(tr("Last node cannot be deleted."));
break;
}
@ -537,25 +326,14 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
// add edge to active node
case Qt::Key_A:
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Add edge: select destination node"),
4000); // millisec
m_parent->statusBarMsg(tr("Add edge: select destination node."));
m_edgeAdding = true;
break;
// add edge to active node
case Qt::Key_D:
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("Delete edge: select other end-node"),
4000); // millisec
m_parent->statusBarMsg(tr("Delete edge: select other end-node."));
m_edgeDeleting = true;
break;
default:
@ -699,18 +477,11 @@ void GraphWidget::nodeSelected(Node *node)
}
}
//int GraphWidget::nodeId(Node *node)
//{
// return m_nodeList.indexOf(node);
//}
void GraphWidget::addEdge(Node *source, Node *destination)
{
if (source->isConnected(destination))
{
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("There is already an edge between these two nodes."),
5000); // millisec
m_parent->statusBarMsg(tr("There is already an edge between these two nodes."));
}
else
{
@ -722,9 +493,7 @@ void GraphWidget::removeEdge(Node *source, Node *destination)
{
if (!source->isConnected(destination))
{
dynamic_cast<MainWindow *>(m_parent)->getStatusBar()->showMessage(
tr("There no edge between these two nodes."),
3000); // millisec
m_parent->statusBarMsg(tr("There no edge between these two nodes."));
}
else
{

19
graphwidget.h
Unescape View File

@ -26,14 +26,17 @@ public:
// int nodeId(Node *node);
QList<Edge *> edges() const;
public slots:
void newFile();
void closeFile();
void saveFile();
void saveFileAs();
void openFile(const QString &fileName);
void openFile();
//public slots:
void newScene();
void closeScene();
void readContentFromFile(const QString &fileName);
void writeContentToFile(const QString &fileName);
// void savetoFile();
// void saveFileAs();
// void openFile(const QString &fileName);
// void openFile();
protected:

235
mainwindow.cpp
Unescape View File

@ -5,49 +5,27 @@
#include <QFileDialog>
#include <QMessageBox>
//#include <QtConcurrentRun>
/// QPixmap: It is not safe to use pixmaps outside the GUI thread
/// tr is messy
/*
extern void exportScaneToPng(QGraphicsScene *scene,
const QString &fileName,
Ui::MainWindow *ui)
{
// start export in a diff thread
QImage img(scene->sceneRect().width(),
scene->sceneRect().height(),
QImage::Format_ARGB32_Premultiplied);
QPainter painter(&img);
painter.setRenderHint(QPainter::Antialiasing);
scene->render(&painter);
painter.end();
img.save(fileName);
ui->statusBar->showMessage(tr("MindMap exported as ") + fileName,
5000); // millisec
}
*/
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
m_ui(new Ui::MainWindow)
m_ui(new Ui::MainWindow),
m_graphicsView(0),
m_fileName(""),
m_contentChanged(false)
{
m_graphicsView = new GraphWidget(this);
m_ui->setupUi(this);
connect(m_ui->actionNew, SIGNAL(activated()),
m_graphicsView, SLOT(newFile()));
this, SLOT(newFile()));
connect(m_ui->actionOpen, SIGNAL(activated()),
m_graphicsView, SLOT(openFile()));
this, SLOT(openFile()));
connect(m_ui->actionSave, SIGNAL(activated()),
m_graphicsView, SLOT(saveFile()));
this, SLOT(saveFile()));
connect(m_ui->actionSaveAs, SIGNAL(activated()),
m_graphicsView, SLOT(saveFileAs()));
this, SLOT(saveFileAs()));
connect(m_ui->actionClose, SIGNAL(activated()),
m_graphicsView, SLOT(closeFile()));
this, SLOT(closeFile()));
connect(m_ui->actionExport, SIGNAL(activated()),
this, SLOT(exportScene()));
connect(m_ui->actionQuit, SIGNAL(activated()),
@ -64,6 +42,150 @@ MainWindow::~MainWindow()
delete m_ui;
}
//QStatusBar * MainWindow::getStatusBar()
//{
// return m_ui->statusBar;
//}
void MainWindow::statusBarMsg(const QString &msg)
{
m_ui->statusBar->showMessage(msg, 5000);
}
void MainWindow::contentChanged(const bool& changed)
{
if (m_contentChanged == false && changed == true)
{
setWindowTitle(windowTitle().prepend("* "));
m_contentChanged = true;
m_ui->actionSave->setEnabled(true);
}
else if (m_contentChanged == true && changed == false)
{
setWindowTitle(windowTitle().remove(0,2));
m_contentChanged = false;
m_ui->actionSave->setEnabled(false);
}
}
void MainWindow::newFile()
{
closeFile();
m_graphicsView->newScene();
m_ui->actionSave->setEnabled(false);
m_ui->actionSaveAs->setEnabled(true);
m_ui->actionClose->setEnabled(true);
m_fileName = "untitled";
setTitle(m_fileName);
contentChanged(false);
}
void MainWindow::openFile(const QString &fileName)
{
closeFile();
if (fileName.isEmpty())
{
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();
}
else
{
return;
}
}
else
{
m_fileName = fileName;
}
m_graphicsView->readContentFromFile(m_fileName);
m_ui->actionSave->setEnabled(true);
m_ui->actionSaveAs->setEnabled(true);
m_ui->actionClose->setEnabled(true);
setTitle(m_fileName);
contentChanged(false);
}
void MainWindow::saveFile()
{
m_graphicsView->writeContentToFile(m_fileName);
contentChanged(false);
}
void MainWindow::saveFileAs()
{
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();
setTitle(m_fileName);
saveFile();
}
}
void MainWindow::closeFile()
{
if (m_contentChanged)
{
QMessageBox msgBox(this);
msgBox.setText("The document has been modified.");
msgBox.setInformativeText("Do you want to save your changes?");
msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Save);
int ret = msgBox.exec();
switch (ret) {
case QMessageBox::Save:
{
m_fileName.isEmpty() ? saveFileAs() : saveFile();
/// @todo handle cancel
break;
}
case QMessageBox::Discard:
m_graphicsView->closeScene();
m_fileName = "";
setTitle(m_fileName);
m_contentChanged = false;
return;
case QMessageBox::Cancel:
return;
default:
return;
}
}
else
{
m_ui->actionSave->setEnabled(false);
m_ui->actionSaveAs->setEnabled(false);
m_ui->actionClose->setEnabled(false);
setTitle("");
m_graphicsView->closeScene();
}
}
void MainWindow::exportScene()
{
QFileDialog dialog(this,
@ -78,12 +200,6 @@ void MainWindow::exportScene()
{
QStringList fileNames(dialog.selectedFiles());
/// @note Shall I start the export in diff thread?
// QtConcurrent::run(exportScaneToPng,
// graphicsView->getScene(),
// fileNames.first(),
// ui);
QImage img(m_graphicsView->getScene()->sceneRect().width(),
m_graphicsView->getScene()->sceneRect().height(),
QImage::Format_ARGB32_Premultiplied);
@ -96,9 +212,10 @@ void MainWindow::exportScene()
painter.end();
img.save(fileNames.first());
m_ui->statusBar->showMessage(tr("MindMap exported as ") + fileNames.first(),
5000); // millisec
// m_ui->statusBar->showMessage(tr("MindMap exported as ") +
// fileNames.first(),
// 5000);
statusBarMsg(tr("MindMap exported as ") + fileNames.first());
}
}
@ -113,31 +230,14 @@ void MainWindow::about()
msgBox.exec();
}
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::setModifiedTitle(const bool &modified)
//{
// modified ?
// setWindowTitle(windowTitle().remove(0,2)) :
// setWindowTitle(windowTitle().prepend("* "));
//}
void MainWindow::setTitle(const QString &title)
{
@ -152,10 +252,3 @@ void MainWindow::setTitle(const QString &title)
setWindowTitle(t);
}
}
//void MainWindow::setModifiedTitle(const bool &modified)
//{
// modified ?
// setWindowTitle(windowTitle().remove(0,2)) :
// setWindowTitle(windowTitle().prepend("* "));
//}

24
mainwindow.h
Unescape View File

@ -7,7 +7,7 @@
#include "graphwidget.h"
namespace Ui {
class MainWindow;
class MainWindow;
}
class MainWindow : public QMainWindow
@ -15,27 +15,33 @@ class MainWindow : public QMainWindow
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
QStatusBar * getStatusBar();
QString getFileName() { return m_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);
// QStatusBar * getStatusBar(); /// rewrite as a message slot?
void statusBarMsg(const QString &msg);
public slots:
void contentChanged(const bool &changed = true);
void newFile();
void openFile(const QString &fileName = "");
void saveFile();
void saveFileAs();
void closeFile();
void exportScene();
void about();
private:
void setTitle(const QString &title);
Ui::MainWindow *m_ui;
GraphWidget *m_graphicsView;
QString m_fileName;
bool m_contentChanged;
};

8
mainwindow.ui
Unescape View File

@ -13,6 +13,10 @@
<property name="windowTitle">
<string>QtMindMap</string>
</property>
<property name="windowIcon">
<iconset resource="qtmindmap.qrc">
<normaloff>:/heart.svg</normaloff>:/heart.svg</iconset>
</property>
<widget class="QWidget" name="centralWidget"/>
<widget class="QMenuBar" name="menuBar">
<property name="geometry">
@ -136,7 +140,9 @@
</action>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<resources>
<include location="qtmindmap.qrc"/>
</resources>
<connections/>
<slots>
<signal>cica()</signal>

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