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+/*
+ This file is part of KAddressBook.
+ Copyright (c) 2002 Mike Pilone <mpilone@slac.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ As a special exception, permission is given to link this program
+ with any edition of Qt, and distribute the resulting executable,
+ without including the source code for Qt in the source distribution.
+*/
+
+#ifndef KADDRESSBOOKVIEW_H
+#define KADDRESSBOOKVIEW_H
+
+#ifndef KAB_EMBEDDED
+#include <klibloader.h>
+#endif //KAB_EMBEDDED
+
+class KConfig;
+class QDropEvent;
+
+#include <qstringlist.h>
+#include <kabc/field.h>
+#include <qwidget.h>
+
+#include "viewconfigurewidget.h"
+#include "filter.h"
+
+namespace KABC { class AddressBook; }
+
+/**
+ Base class for all views in kaddressbook. This class implements
+ all the common methods needed to provide a view to the user.
+
+ To implement a specific view (table, card, etc), just inherit from
+ this class and implement all the pure virtuals.
+
+ @author Mike Pilone <mpilone@slac.com>
+ */
+class KAddressBookView : public QWidget
+{
+ Q_OBJECT
+
+ public:
+ enum DefaultFilterType { None = 0, Active = 1, Specific = 2 };
+
+ KAddressBookView( KABC::AddressBook *ab, QWidget *parent, const char *name );
+ virtual ~KAddressBookView();
+
+ /**
+ Must be overloaded in subclasses. Should return a list of
+ all the uids of selected contacts.
+ */
+ virtual QStringList selectedUids() = 0;
+
+ /**
+ Called whenever this view should read the config. This can be used
+ as a sign that the config has changed, therefore the view should
+ assume the worst and rebuild itself if necessary. For example,
+ in a table view this method may be called when the user adds or
+ removes columns from the view.
+
+ If overloaded in the subclass, do not forget to call super class's
+ method.
+
+ @param config The KConfig object to read from. The group will already
+ be set, so do not change the group.
+ */
+ virtual void readConfig( KConfig *config );
+
+ /**
+ Called whenever this view should write the config. The view should not
+ write out information handled by the application, such as which fields
+ are visible. The view should only write out information specific
+ to itself (i.e.: All information in the ViewConfigWidget)
+
+ If overloaded in the subclass, do not forget to call the super class's
+ method.
+
+ @param config The KConfig object to read from. The group will already
+ be set, so do not change the group.
+ */
+ virtual void writeConfig( KConfig *config );
+
+ /**
+ Returns a QString with all the selected email addresses concatenated
+ together with a ',' seperator.
+ */
+ virtual QString selectedEmails();
+
+ /**
+ Return the type of the view: Icon, Table, etc. Please make sure that
+ this is the same value that ViewWrapper::type() will return for your
+ view.
+ */
+ virtual QString type() const = 0;
+
+ /**
+ Returns a list of the fields that should be displayed. The list
+ is composed of the fields proper names (ie: Home Address), so
+ the view may need to translate them in order to get the
+ value from the addressee.
+
+ This list is generated from the config file, so it is advisable to call
+ this method whenever a readConfig() is called in order to get the newest
+ list of fields.
+ */
+ KABC::Field::List fields() const;
+
+ /**
+ Sets the active filter. This filter will be used for filtering
+ the list of addressees to display. The view will <b>not</b>
+ automatically refresh itself, so in most cases you will want to call
+ KAddressBookView::refresh() after this method.
+ */
+ void setFilter( const Filter& );
+
+ /**
+ @return The default filter type selection. If the selection
+ is SpecificFilter, the name of the filter can be retrieved with
+ defaultFilterName()
+ */
+ DefaultFilterType defaultFilterType() const;
+
+ /**
+ @return The name of the default filter. This string is
+ only valid if defaultFilterType() is returning SpecificFilter.
+ */
+ const QString &defaultFilterName() const;
+
+ /**
+ @return The address book.
+ */
+ KABC::AddressBook *addressBook() const;
+
+ public slots:
+ /**
+ Must be overloaded in subclasses to refresh the view.
+ Refreshing includes updating the view to ensure that only items
+ in the document are visible. If <i>uid</i> is valid, only the
+ addressee with uid needs to be refreshed. This is an optimization
+ only.
+ */
+ virtual void refresh( QString uid = QString::null ) = 0;
+
+ /**
+ This method must be overloaded in subclasses. Select (highlight)
+ the addressee matching <i>uid</i>. If uid
+ is equal to QString::null, then all addressees should be selected.
+ */
+#ifndef KAB_EMBEDDED
+//MOC_SKIP_BEGIN
+ virtual void setSelected( QString uid = QString::null, bool selected = true ) = 0;
+//MOC_SKIP_END
+#else //KAB_EMBEDDED
+ //US my moc can not handle the default parameters. Is this a problem ???
+ virtual void setSelected( QString uid, bool selected) = 0;
+#endif //KAB_EMBEDDED
+
+ signals:
+ /**
+ This signal should be emitted by a subclass whenever an addressee
+ is modified.
+ */
+ void modified();
+
+ /**
+ This signal should be emitted by a subclass whenever an addressee
+ is selected. Selected means that the addressee was given the focus.
+ Some widgets may call this 'highlighted'. The view is responsible for
+ emitting this signal multiple times if multiple items are selected,
+ with the last item selected being the last emit.
+
+ @param uid The uid of the selected addressee.
+
+ @see KListView
+ */
+ void selected( const QString &uid );
+ void deleteRequest();
+ /**
+ This signal should be emitted by a subclass whenever an addressee
+ is executed. This is defined by the KDE system wide config, but it
+ either means single or doubleclicked.
+
+ @param ui The uid of the selected addressee
+
+ @see KListView
+ */
+ void executed( const QString &uid );
+
+ /**
+ This signal is emitted whenever a user attempts to start a drag
+ in the view. The slot connected to this signal would usually want
+ to create a QDragObject.
+ */
+ void startDrag();
+
+ /**
+ This signal is emitted whenever the user drops something on the
+ view. The individual view should handle checking if the item is
+ droppable (ie: if it is a vcard).
+ */
+ void dropped( QDropEvent* );
+
+ protected:
+ /**
+ Returns a list of the addressees that should be displayed. This method
+ should always be used by the subclass to get a list of addressees. This
+ method internally takes many factors into account, including the current
+ filter.
+ */
+ KABC::Addressee::List addressees();
+
+ /**
+ This method returns the widget that should be used as the parent for
+ all view components. By using this widget as the parent and not
+ 'this', the view subclass has the option of placing other widgets
+ around the view (ie: search fields, etc). Do not delete this widget!
+ */
+ QWidget *viewWidget();
+
+ private:
+ void initGUI();
+
+ DefaultFilterType mDefaultFilterType;
+ Filter mFilter;
+ QString mDefaultFilterName;
+ KABC::AddressBook *mAddressBook;
+ KABC::Field::List mFieldList;
+
+ QWidget *mViewWidget;
+};
+
+#ifndef KAB_EMBEDDED
+//MOC_SKIP_BEGIN
+class ViewFactory : public KLibFactory
+//MOC_SKIP_END
+#else //KAB_EMBEDDED
+class ViewFactory
+#endif //KAB_EMBEDDED
+{
+
+ public:
+ virtual KAddressBookView *view( KABC::AddressBook *ab, QWidget *parent,
+ const char *name = 0 ) = 0;
+
+ /**
+ @return The type of the view. This is normally a small one word
+ string (ie: Table, Icon, Tree, etc).
+ */
+ virtual QString type() const = 0;
+
+ /**
+ @return The description of the view. This should be a 3 to
+ 4 line string (don't actually use return characters in the string)
+ describing the features offered by the view.
+ */
+ virtual QString description() const = 0;
+
+ /**
+ Creates a config dialog for the view type. The default
+ implementation will return a ViewConfigDialog. This default
+ dialog will allow the user to set the visible fields only. If
+ you need more config options (as most views will), this method
+ can be overloaded to return your sublcass of ViewConfigDialog.
+ If this method is over loaded the base classes method should
+ <B>not</B> be called.
+ */
+ virtual ViewConfigureWidget *configureWidget( KABC::AddressBook *ab,
+ QWidget *parent,
+ const char *name = 0 );
+
+ protected:
+ virtual QObject* createObject( QObject*, const char*, const char*,
+ const QStringList & )
+ {
+ return 0;
+ }
+
+};
+
+
+#endif