Completely revamp the notepad desktop plugin so that it is now file-based instead of saving everything into the plugin settings directly. This allows it to manage generic text files as well as just the *.note files in ~/Notes.

1 files changed, 221 insertions, 47 deletions

diff --git a/lumina-desktop/desktop-plugins/notepad/NotepadPlugin.cpp b/lumina-desktop/desktop-plugins/notepad/NotepadPlugin.cpp
index 214de63c..17372202 100644
--- a/lumina-desktop/desktop-plugins/notepad/NotepadPlugin.cpp
+++ b/lumina-desktop/desktop-plugins/notepad/NotepadPlugin.cpp
@@ -2,7 +2,10 @@
 
 #include <LuminaXDG.h>
 #include "LSession.h"
-
+#include <LuminaUtils.h>
+#include <QDir>
+#include <QFileDialog>
+#include <QInputDialog>
 
 NotePadPlugin::NotePadPlugin(QWidget* parent, QString ID) : LDPlugin(parent, ID){
   QVBoxLayout *vlay = new QVBoxLayout();
@@ -15,21 +18,32 @@ NotePadPlugin::NotePadPlugin(QWidget* parent, QString ID) : LDPlugin(parent, ID)
     this->layout()->addWidget(frame);
     frame->setLayout(vlay);
    
+  if(!QFile::exists(QDir::homePath()+"/Notes")){
+    //Create the notes directory if non-existant
+    QDir dir;
+	dir.mkpath(QDir::homePath()+"/Notes"); 
+  }
+  watcher = new QFileSystemWatcher(this);
+     //Always watch the notes directory for new files/changes
+     watcher->addPath(QDir::homePath()+"/Notes");
+  
+  typeTimer = new QTimer(this);
+    typeTimer->setInterval(1000); // 1 second before it saves
+    typeTimer->setSingleShot(true); //compress lots of signals into a single save
+  
+  updating = false;
   //Setup the title bar header buttons
   QHBoxLayout *hlay = new QHBoxLayout();
-  next = new QToolButton(this);
-    next->setAutoRaise(true);
-  prev = new QToolButton(this);
-    prev->setAutoRaise(true);
+  open = new QToolButton(this);
+    open->setAutoRaise(true);
   add = new QToolButton(this);
     add->setAutoRaise(true);
   rem = new QToolButton(this);
     rem->setAutoRaise(true);
-  label = new QLabel(this);
-    label->setAlignment(Qt::AlignCenter);
-    hlay->addWidget(prev);
-    hlay->addWidget(next);
-    hlay->addWidget(label);
+  cnote = new QComboBox(this);
+	
+    hlay->addWidget(cnote);
+    hlay->addWidget(open);
     hlay->addWidget(add);
     hlay->addWidget(rem);
     vlay->addLayout(hlay);
@@ -37,20 +51,47 @@ NotePadPlugin::NotePadPlugin(QWidget* parent, QString ID) : LDPlugin(parent, ID)
   //Setup the main text widget
   edit = new QPlainTextEdit(this);
     edit->setReadOnly(false);
+    edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     vlay->addWidget(edit);
 	
-  //Now setup the initial values
-  cnote = this->settings->value("currentNote", 1).toInt();
-  maxnote = this->settings->value("availableNotes",1).toInt();
+  //Special detection of the old notes format and conversion to the new files format
+  if( this->settings->value("availableNotes",-1).toInt() > 0){
+    qDebug() << "Converting all old desktop notes into the new file-based format (located at ~/Notes/<name>.note)";
+    int notes = this->settings->value("availableNotes",1).toInt();
+    int current = settings->value("currentNote",1).toInt();
+    for(int i=0; i<(notes+1); i++){
+	QString note = settings->value("Note-"+QString::number(i),"").toString();
+	settings->remove("Note-"+QString::number(i));
+	if(!note.isEmpty()){
+	  //Save this note in the new file format
+	  LUtils::writeFile(QDir::homePath()+"/Notes/Note-"+QString::number(i)+".note", note.split("\n"), true);
+	}
+	if(i==current){
+	  //Convert the current note value to the new format
+	  settings->setValue("currentFile", QDir::homePath()+"/Notes/Note-"+QString::number(i)+".note");
+	}
+    }
+    //Clear the old settings-based values
+    settings->remove("availableNotes");
+    settings->remove("currentNote");
+  }
+  //Now load the new file-based system for saving notes
+  settings->setValue("customFile",""); //always clear this when the plugin is initialized (only maintained per-session)
+  notesDirChanged();
+  
+  //Now setup the initial values for the plugin
   this->setInitialSize(200,300);
+  
   //Setup the button connections
-  connect(next, SIGNAL(clicked()), this, SLOT(nextNote()) );
-  connect(prev, SIGNAL(clicked()), this, SLOT(prevNote()) );
+  connect(open, SIGNAL(clicked()), this, SLOT(openNote()) );
   connect(add, SIGNAL(clicked()), this, SLOT(newNote()) );
   connect(rem, SIGNAL(clicked()), this, SLOT(remNote()) );
-  connect(edit, SIGNAL(textChanged()), this, SLOT(noteChanged()) );
+  connect(edit, SIGNAL(textChanged()), this, SLOT(newTextAvailable()) );
+  connect(cnote, SIGNAL(currentIndexChanged(QString)), this, SLOT(noteChanged()) );
+  connect(typeTimer, SIGNAL(timeout()), this, SLOT(updateContents()) );
+  connect(watcher, SIGNAL(directoryChanged(QString)), this, SLOT(notesDirChanged()) ); //re-load the available notes
+  connect(watcher, SIGNAL(fileChanged(QString)), this, SLOT(noteChanged()) ); //re-load the current file
   QTimer::singleShot(0,this, SLOT(loadIcons()) );
-  QTimer::singleShot(0,this, SLOT(updateContents()) );
   
 }
 
@@ -58,54 +99,187 @@ NotePadPlugin::~NotePadPlugin(){
 
 }
 
-void NotePadPlugin::nextNote(){
-  cnote++;
-  if(cnote>maxnote){ cnote = 1; } //go to the first
-  updateContents();  
-}
 
-void NotePadPlugin::prevNote(){
-  cnote--;
-  if(cnote<1){ cnote = maxnote; } //go to the last
-  updateContents();  	
+void NotePadPlugin::openNote(){
+  //qDebug() << "Open New Note:";
+  //Prompt for a name for the new note
+  QFileDialog dlg(0, Qt::Dialog | Qt::WindowStaysOnTopHint );
+      dlg.setFileMode(QFileDialog::ExistingFile);
+      dlg.setAcceptMode(QFileDialog::AcceptOpen);
+      dlg.setNameFilters( QStringList() << tr("Note Files (*.note)") << tr("Text Files (*)"));
+      dlg.setWindowTitle(tr("Open a note file"));
+      dlg.setWindowIcon( LXDG::findIcon("document-open","") );
+      dlg.setDirectory(QDir::homePath()); //start in the home directory
+      //ensure it is centered on the current screen
+      QPoint center = QApplication::desktop()->screenGeometry(this).center();
+      dlg.move( center.x()-(dlg.width()/2), center.y()-(dlg.height()/2) );
+  dlg.show();
+  while( dlg.isVisible() ){
+    QApplication::processEvents();
+  }
+  QStringList sel = dlg.selectedFiles();
+  if(sel.isEmpty()){ return; } //cancelled
+  QString fullpath = sel.first();
+  QString name = fullpath.section("/",-1);
+  //qDebug() << " - Found Note:" << name << fullpath;
+  int index = cnote->findText(name, Qt::MatchExactly | Qt::MatchCaseSensitive);
+  if(QFile::exists(fullpath) && index <0){
+    //Alternate option of searching for the file in the list
+    index = cnote->findText(fullpath, Qt::MatchExactly | Qt::MatchCaseSensitive);
+  }
+  if(index>=0){
+    //This note already exists: just load it
+    cnote->setCurrentIndex(index);
+  }else{
+    //New note - add it to the end of the list and then load it
+    cnote->addItem(name, fullpath);
+    settings->setValue("customFile", fullpath); //save this as a custom file
+    cnote->setCurrentIndex( cnote->count()-1 ); 
+    QTimer::singleShot(1000, this, SLOT(notesDirChanged())); //Make sure to refresh the list (only one custom file at a time)
+  }
 }
 
 void NotePadPlugin::newNote(){
-  maxnote++;
-  cnote = maxnote;
-  updateContents();
+  //Prompt for a name for the new note
+  //qDebug() << "Create new note";
+  QInputDialog dlg(0, Qt::Dialog | Qt::WindowStaysOnTopHint );
+      dlg.setInputMode(QInputDialog::TextInput);
+      dlg.setLabelText(tr("New Note Name:"));
+      dlg.setTextEchoMode(QLineEdit::Normal);
+      dlg.setWindowTitle(tr("Create a new note"));
+      dlg.setWindowIcon( LXDG::findIcon("document-new","") );
+      //ensure it is centered on the current screen
+      QPoint center = QApplication::desktop()->screenGeometry(this).center();
+      dlg.move( center.x()-(dlg.width()/2), center.y()-(dlg.height()/2) );
+  dlg.show();
+  while( dlg.isVisible() ){
+    QApplication::processEvents();
+  }
+  QString name = dlg.textValue();
+  if(name.isEmpty()){ return; } //cancelled
+  QString fullpath = QDir::homePath()+"/Notes/"+name;
+  if(!fullpath.endsWith(".note")){ fullpath.append(".note"); }
+  //qDebug() << " - New Note:" << name << fullpath;
+  int index = cnote->findText(name, Qt::MatchExactly | Qt::MatchCaseSensitive);
+  if(QFile::exists(fullpath) && index <0){
+    //Alternate option of searching for the file in the list
+    index = cnote->findText(fullpath, Qt::MatchExactly | Qt::MatchCaseSensitive);
+  }
+  if(index>=0){
+    //This note already exists: just load it
+    cnote->setCurrentIndex(index);
+  }else{
+    //New note - add it to the end of the list and then load it
+    cnote->addItem(name, fullpath);
+    cnote->setCurrentIndex( cnote->count()-1 ); 
+  }
 }
 
 void NotePadPlugin::remNote(){
-  //Clear the current note
-  settings->remove("Note-"+QString::number(cnote));
-  //If the last note, also decrease the max number
-  if(cnote==maxnote && maxnote>1){ maxnote--; }
-  //Now go to the previous note
-  cnote--;
-  if(cnote<1){ cnote = maxnote; }
-  updateContents();
+  QString note = cnote->currentData().toString();
+  if(note.isEmpty()){ return; }
+  watcher->removePath(note); //remove this file from the watcher
+  settings->setValue("currentFile",""); //reset the internal value
+  QFile::remove(note); //remove the file
+  //if(!note.startsWith(QDir::homePath()+"/Notes/") ){
+    //If the file was not in the notes directory, need to manually prompt for a re-load
+    // otherwise, the directory watcher will catch it and trigger a re-load (no need to double-load)
+    notesDirChanged();
+  //}
+}
+
+void NotePadPlugin::newTextAvailable(){
+  if(updating){ return; } //programmatic change of the widget
+  if(typeTimer->isActive()){ typeTimer->stop(); }
+  typeTimer->start();  
 }
 
 void NotePadPlugin::updateContents(){
-  next->setEnabled(cnote<maxnote);
-  prev->setEnabled(cnote>1);
-  label->setText( QString(tr("Note #%1")).arg(QString::number(cnote)) );
-  settings->setValue("currentNote", cnote);
-  settings->setValue("availableNotes", maxnote);
-  edit->setPlainText( settings->value("Note-"+QString::number(cnote), "").toString() );
+  if(updating){ return; } //this was a programmatic change to the widget
+  //The text was changed in the plugin - save it in the file
+  QString note = cnote->currentData().toString();
+  updating = true;
+  LUtils::writeFile(note, edit->toPlainText().split("\n"), true);
+  updating = false;
 }
 
+void NotePadPlugin::notesDirChanged(){
+  QString cfile = settings->value("currentFile","").toString();
+  QStringList notes;
+  QDir dir(QDir::homePath()+"/Notes");
+  QStringList files = dir.entryList(QStringList() << "*.note", QDir::Files | QDir::NoDotAndDotDot, QDir::Name);
+  for(int i=0; i<files.length(); i++){
+    notes << dir.absoluteFilePath(files[i]);
+  }
+  QString custom = settings->value("customFile","").toString();
+  if(!custom.isEmpty() && QFile::exists(custom) ){ notes << custom; } 
+  //qDebug() << "Available Notes:" << notes << cfile;
+  //Now update the UI list
+  updating = true; //don't refresh the UI until done changing lists
+  cnote->clear();
+  bool found = false;
+  for(int i=0; i<notes.length(); i++){
+    QString name = notes[i].section("/",-1);
+    if(name.endsWith(".note")){ name.chop(5); }
+    cnote->addItem(name, notes[i]);
+    if(notes[i]==cfile){ cnote->setCurrentIndex(i); found = true;}
+  }
+  if(!found && !cfile.isEmpty()){
+    //Current note is a manually-loaded text file
+    cnote->addItem(cfile.section("/",-1), cfile);
+    cnote->setCurrentIndex( cnote->count()-1 ); //last item
+    found = true;
+  }
+  if(!found && cnote->count()>0){ cnote->setCurrentIndex(0); }
+  updating =false;
+  noteChanged();
+}
 
 void NotePadPlugin::noteChanged(){
-  //Save the current text
-  settings->setValue("Note-"+QString::number(cnote), edit->toPlainText());
+  if(updating){ return; }
+  updating =true;
+  QString note;
+  if(cnote->currentIndex()>=0){
+    note = cnote->currentData().toString();
+  }
+  if(note.isEmpty() && cnote->count()>0){ 
+    updating=false; 
+    cnote->setCurrentIndex(0); 
+    return; 
+  }
+  QString oldnote = settings->value("currentFile","").toString();
+  //qDebug() << "Note Changed:" << note << oldnote;
+  if( oldnote!=note ){ 
+    //Clear the old note file/setting
+    if(!oldnote.isEmpty()){
+      watcher->removePath(oldnote); 
+      settings->setValue("currentFile","");
+    }
+    if(!note.isEmpty()){
+      settings->setValue("currentFile",note);
+      watcher->addPath(note);
+    }
+  }
+
+  if(!note.isEmpty()){
+    QString text = LUtils::readFile(note).join("\n");
+    if(text!=edit->toPlainText()){
+      edit->setPlainText( text );  
+    }
+  }else{
+    edit->clear();
+  }
+  //If no notes available - disable the editor until a new one is created
+  edit->setEnabled(!note.isEmpty());
+  rem->setEnabled(!note.isEmpty());
+  cnote->setEnabled(!note.isEmpty());
+  //leave the new/open buttons enabled all the time
+  updating = false;
 }
 
 
 void NotePadPlugin::loadIcons(){
-  next->setIcon( LXDG::findIcon("go-next-view","") );
-  prev->setIcon( LXDG::findIcon("go-previous-view","") );
+  open->setIcon( LXDG::findIcon("document-open","") );
   add->setIcon( LXDG::findIcon("document-new","") );
   rem->setIcon( LXDG::findIcon("document-close","") );
 }