check before parse

4 files changed, 45 insertions, 2 deletions

diff --git a/core/pim/today/changelog b/core/pim/today/changelog
index 692c0dc..7111154 100644
--- a/core/pim/today/changelog
+++ b/core/pim/today/changelog
@@ -1,12 +1,19 @@
+0.2.7
+
+* check if todolist.xml was changed before parsing it
+* check only every 30 sec for changes.
+* some visual stuff
+* as usual many little improvements .-)
+
 0.2.6
 
 * added scrollbars to dates and todo
 * all day detection
 * some smaller bugfixes
 
 0.2.5
 
 * some other minor fixes regarding autoupdate
 * fixed segfault with todolist > 7 entries
 * fixed the "ugly grey border around buttons" issue
 * fixed the "empty calendar field" "bug"
diff --git a/core/pim/today/opie-today.control b/core/pim/today/opie-today.control
index f16ddfb..4c0a1c0 100644
--- a/core/pim/today/opie-today.control
+++ b/core/pim/today/opie-today.control
@@ -1,10 +1,10 @@
 Files: bin/today apps/Applications/today.desktop pics/today_icon.png pics/today/today_logo.png pics/today/config.png pics/today/mail.png
 Priority: optional
 Section: opie/applications
 Maintainer: Maximilian Reiß <max.reiss@gmx.de>
 Architecture: arm
-Version: 0.2.6
+Version: 0.2.7
 Depends: opie-base ($QPE_VERSION)
 License: GPL
 Description: today screen
  A short overview over current appointments and tasks.
diff --git a/core/pim/today/today.cpp b/core/pim/today/today.cpp
index af1d4e4..d715fc1 100644
--- a/core/pim/today/today.cpp
+++ b/core/pim/today/today.cpp
@@ -29,29 +29,31 @@
 #include <qpe/resource.h>
 
 #include <qdir.h>
 #include <qfile.h>
 #include <qdatetime.h> 
 #include <qtextstream.h>
 #include <qcheckbox.h>
 #include <qspinbox.h>
 #include <qpushbutton.h>
 #include <qlabel.h>
 #include <qtimer.h>
 #include <qpixmap.h>
+#include <qfileinfo.h>
 
 //#include <iostream.h>
 //#include <unistd.h>
 #include <stdlib.h>
 
+
 int MAX_LINES_TASK;
 int MAX_CHAR_CLIP;
 int MAX_LINES_MEET;
 int SHOW_LOCATION;
 int SHOW_NOTES;
 // show only later dates
 int ONLY_LATER;
 int AUTOSTART;
 /* 
  *  Constructs a Example which is a child of 'parent', with the 
  *  name 'name' and widget flags set to 'f' 
  */
@@ -80,27 +82,54 @@ void Today::autoStart() {
     QCopEnvelope e("QPE/System", "autoStart(QString,QString)");
     e << QString("remove");
     e << QString("today");
   }
 }
 
 void Today::draw() {
   init();
   getDates();
   getMail();
   getTodo(); 
   // how often refresh
-  QTimer::singleShot( 5*1000, this, SLOT(draw()) );
+  QTimer::singleShot( 30*1000, this, SLOT(draw()) );
+}
+
+
+/* 
+ * Check if the todolist.xml was modified (if there are new entries.
+ * Returns true if it was modified.
+ */
+bool Today::checkIfModified() {
+  
+  QDir dir;
+  QString homedir = dir.homeDirPath (); 
+  QString time;
+    
+  Config cfg("today");
+  cfg.setGroup("Files");
+  time = cfg.readEntry("todolisttimestamp", "");
+
+  QFileInfo file = (homedir +"/Applications/todolist/todolist.xml");
+  QDateTime fileTime  = file.lastModified();
+  if (time.compare(fileTime.toString()) == 0) {
+    return false;
+  } else {
+    cfg.writeEntry("todolisttimestamp", fileTime.toString() );
+    cfg.write(); 
+    return true;
+  }
 }
 
+
 void Today::init() {
   QDate date = QDate::currentDate();
   QString time = (tr( date.toString()) );
 //  QString time = (tr( date.toString()) , white);
   
   TextLabel1->setText(time);
   db = new DateBookDB;
   
   // read config
   Config cfg("today");
   cfg.setGroup("BaseConfig"); 
 
@@ -331,24 +360,30 @@ void Today::getMail() {
   QString output = tr("<b>%1</b> new mail(s), <b>%2</b> outgoing").arg(NEW_MAILS).arg(OUTGOING);
   
 
   MailField->setText(output);
 }
 
 
 /*
  * Get the todos
  *
  */
 void Today::getTodo() {
+  
+  // if the todolist.xml file was not modified in between, do not parse it.
+  if (!checkIfModified()) {
+    return;
+  }
+
   QString output;
   QString tmpout;
   int count = 0;
   
   QDir dir;
   QString homedir = dir.homeDirPath (); 
   // see if todolist.xml does exist.
   QFile f(homedir +"/Applications/todolist/todolist.xml");
   if ( f.exists() ) {
     QList<TodoItem> todolist = loadTodo(homedir +"/Applications/todolist/todolist.xml");
     
     TodoItem *item;
diff --git a/core/pim/today/today.h b/core/pim/today/today.h
index 07bfd61..b3b7d01 100644
--- a/core/pim/today/today.h
+++ b/core/pim/today/today.h
@@ -40,24 +40,25 @@ class Today : public TodayBase
   private slots:
     void startConfig();
     void startTodo();
     void startDatebook();
     void startMail();
     void draw();
  private:
     void init();
     void getDates();
     void getTodo();
     void getMail();
     void autoStart();
+    bool checkIfModified();
     QList<TodoItem> loadTodo(const char *filename);
  private:
     DateBookDB *db;
     todayconfig *conf;
     //Config cfg;
     int MAX_LINES_TASK;
     int MAX_CHAR_CLIP;
     int MAX_LINES_MEET;
     int SHOW_LOCATION; 
     int SHOW_NOTES;
 };
 #endif // TODAY_H