1 files changed, 298 insertions, 0 deletions
diff --git a/karm/task.h b/karm/task.h
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+#ifndef KARM_TASK_H
+#define KARM_TASK_H
+
+// Required b/c QPtrList is a struct, not a class.
+#include <qptrlist.h>
+
+// Requred b/c/ QPtrVector is a template (?)
+#include <qptrvector.h>
+
+#include <qdatetime.h>
+
+// Required b/c DesktopList is a typedef not a class.
+#include "desktoplist.h"
+
+// Required b/c of static cast below?  (How else can compiler know that a
+// TaskView is a subclass or QListView?)
+#include "taskview.h"
+
+class QFile;
+class QString;
+class KarmStorage;
+
+class QTimer;
+class KCal::Incidence;
+class KCal::Todo;
+class QObject;
+class QPixmap;
+
+/// \class Task
+/** \brief A class representing a task
+ *
+ * A "Task" object stores information about a task such as it's name,
+ * total and session times.
+ *
+ * It can log when the task is started, stoped or deleted.
+ *
+ * If a task is associated with some desktop's activity it can remember that
+ * too.
+ *
+ * It can also contain subtasks - these are managed using the
+ * QListViewItem class.
+ */
+class Task : public QObject, public QListViewItem
+{
+  Q_OBJECT
+
+  public:
+    //@{ constructors
+    Task( const QString& taskame, long minutes, long sessionTime,
+          DesktopList desktops, TaskView* parent = 0);
+    Task( const QString& taskame, long minutes, long sessionTime,
+          DesktopList desktops, Task* parent = 0);
+    Task( KCal::Todo* incident, TaskView* parent );
+    //@}
+    /* destructor */
+    ~Task();
+
+    /** return parent Task or null in case of TaskView.
+     *  same as QListViewItem::parent()
+     */
+    Task* firstChild() const  { return (Task*)QListViewItem::firstChild(); }
+    Task* nextSibling() const { return (Task*)QListViewItem::nextSibling(); }
+    Task* parent() const      { return (Task*)QListViewItem::parent(); }
+
+    /** Return task view for this task */
+    TaskView* taskView() const {
+        return static_cast<TaskView *>( listView() );
+    }
+
+    /** Return unique iCalendar Todo ID for this task. */
+    QString uid() const       { return _uid; }
+
+    /**
+     * Set unique id for the task.
+     *
+     * The uid is the key used to update the storage.
+     *
+     * @param uid  The new unique id.
+     */
+    void setUid(const QString uid);
+
+    /** cut Task out of parent Task or the TaskView */
+    void cut();
+    /** cut Task out of parent Task or the TaskView and into the
+     *  destination Task */
+    void move(Task* destination);
+    /** insert Task into the destination Task */
+    void paste(Task* destination);
+
+    /** Sort times numerically, not alphabetically.  */
+    int compare ( QListViewItem * i, int col, bool ascending ) const;
+
+    //@{ timing related functions
+
+      /**
+       * Change task time.  Adds minutes to both total time and session time.
+       *
+       *  @param minutes        minutes to add to - may be negative
+       *  @param storage        Pointer to KarmStorage instance.
+       *                        If zero, don't save changes.
+       */
+      void changeTime( long minutes, KarmStorage* storage );
+
+      /**
+       * Add minutes to time and session time, and write to storage.
+       *
+       *  @param minutesSession   minutes to add to task session time
+       *  @param minutes          minutes to add to task time
+       *  @param storage          Pointer to KarmStorage instance.
+       *                          If zero, don't save changes.
+       */
+      void changeTimes
+        ( long minutesSession, long minutes, KarmStorage* storage=0);
+
+      /** adds minutes to total and session time
+       *
+       *  @param minutesSession   minutes to add to task total session time
+       *  @param minutes          minutes to add to task total time
+       */
+      void changeTotalTimes( long minutesSession, long minutes );
+
+      /**
+       * Reset all times to 0
+       */
+      void resetTimes();
+
+      /*@{ returns the times accumulated by the task
+       * @return total time in minutes
+       */
+      long time() const { return _time; };
+      long totalTime() const { return _totalTime; };
+      long sessionTime() const { return _sessionTime; };
+      long totalSessionTime() const { return _totalSessionTime; };
+
+      /**
+       * Return time the task was started.
+       */
+      QDateTime startTime() const { return _lastStart; };
+
+      /** sets session time to zero. */
+      void startNewSession() { changeTimes( -_sessionTime, 0 ); };
+    //@}
+
+    //@{ desktop related functions
+
+      void setDesktopList ( DesktopList dl );
+      DesktopList getDesktops() const { return _desktops;}
+
+      QString getDesktopStr() const;
+    //@}
+
+    //@{ name related functions
+
+      /** sets the name of the task
+       *  @param name    a pointer to the name. A deep copy will be made.
+       *  @param storage a pointer to a KarmStorage object.
+       */
+      void setName( const QString& name, KarmStorage* storage );
+
+      /** returns the name of this task.
+       *  @return a pointer to the name.
+       */
+      QString name() const  { return _name; };
+
+      /**
+       * Returns that task name, prefixed by parent tree up to root.
+       *
+       * Task names are seperated by a forward slash:  /
+       */
+      QString fullName() const;
+    //@}
+
+    /** Update the display of the task (all columns) in the UI. */
+    void update();
+
+    //@{ the state of a Task - stopped, running
+
+      /** starts or stops a task
+       *  @param on       true or false for starting or stopping a task
+       *  @param storage a pointer to a KarmStorage object.
+       *  @param whenStarted time when the task was started. Normally
+				    QDateTime::currentDateTime, but if calendar has 
+				    been changed by another program and being reloaded
+ 				    the task is set to running with another start date
+       */
+      void setRunning( bool on, KarmStorage* storage, QDateTime whenStarted=QDateTime::currentDateTime(), QDateTime whenStopped=QDateTime::currentDateTime());
+
+      /** return the state of a task - if it's running or not
+       *  @return         true or false depending on whether the task is running
+       */
+      bool isRunning() const;
+    //@}
+
+    bool parseIncidence(KCal::Incidence*, long& minutes,
+        long& sessionMinutes, QString& name, DesktopList& desktops,
+        int& percent_complete);
+
+    /**
+     *  Load the todo passed in with this tasks info.
+     */
+    KCal::Todo* asTodo(KCal::Todo* calendar) const;
+
+    /** Add a comment to this task. */
+    void addComment( QString comment, KarmStorage* storage );
+
+    /** Retrieve the entire comment for the task. */
+    QString comment() const;
+
+    /** tells you whether this task is the root of the task tree */
+    bool isRoot() const                 { return parent() == 0; }
+
+    /** remove Task with all it's children
+     * @param   activeTasks - list of aktive tasks
+     * @param storage a pointer to a KarmStorage object.
+     */
+    bool remove( QPtrList<Task>& activeTasks, KarmStorage* storage );
+
+    /**
+     * Update percent complete for this task.
+     *
+     * Tasks that are complete (i.e., percent = 100) do not show up in
+     * taskview.  If percent NULL, set to zero.  If greater than 100, set to
+     * 100.  If less than zero, set to zero.
+     */
+    void setPercentComplete(const int percent, KarmStorage *storage);
+
+
+    /** Sets an appropriate icon for this task based on its level of
+     * completion */
+    void setPixmapProgress();
+
+    /** Return true if task is complete (percent complete equals 100).  */
+    bool isComplete();
+
+    /** Remove current task and all it's children from the view.  */
+    void removeFromView();
+
+    /** delivers when the task was started last */
+    QDateTime lastStart() { return _lastStart; }
+
+  protected:
+    void changeParentTotalTimes( long minutesSession, long minutes );
+
+  signals:
+    void totalTimesChanged( long minutesSession, long minutes);
+    /** signal that we're about to delete a task */
+    void deletingTask(Task* thisTask);
+
+  protected slots:
+    /** animate the active icon */
+    void updateActiveIcon();
+
+  private:
+
+    /** The iCal unique ID of the Todo for this task. */
+    QString _uid;
+
+    /** The comment associated with this Task. */
+    QString _comment;
+
+    int _percentcomplete;
+
+    long totalTimeInSeconds() const      { return _totalTime * 60; }
+
+    /** if the time or session time is negative set them to zero */
+    void noNegativeTimes();
+
+    /** initialize a task */
+    void init( const QString& taskame, long minutes, long sessionTime,
+               DesktopList desktops, int percent_complete);
+
+
+    /** task name */
+    QString _name;
+
+    /** Last time this task was started. */
+    QDateTime _lastStart;
+
+    //@{ totals of the whole subtree including self
+      long _totalTime;
+      long _totalSessionTime;
+    //@}
+
+    //@{ times spend on the task itself
+      long _time;
+      long _sessionTime;
+    //@}
+    DesktopList _desktops;
+    QTimer *_timer;
+    int _currentPic;
+    static QPtrVector<QPixmap> *icons;
+
+    /** Don't need to update storage when deleting task from list. */
+    bool _removing;
+
+};
+
+#endif // KARM_TASK_H