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/***************************************************************************
 * scriptguiclient.h
 * This file is part of the KDE project
 * copyright (C) 2005 by Sebastian Sauer (mail@dipe.org)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 * You should have received a copy of the GNU Library General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 ***************************************************************************/

#ifndef KROSS_API_SCRIPTGUICLIENT_H
#define KROSS_API_SCRIPTGUICLIENT_H

#include "scriptcontainer.h"
#include "scriptaction.h"

#include <tqobject.h>
#include <tqdom.h>
#include <kurl.h>
#include <kxmlguiclient.h>

class TQWdiget;

namespace Kross { namespace Api {

    // Forward declarations.
    class ScriptAction;
    class ScriptGUIClientPrivate;

    /**
     * The ScriptGUIClient class provides abstract access to
     * scripting code used to extend an applications functionality.
     */
    class KDE_EXPORT ScriptGUIClient
        : public TQObject
        , public KXMLGUIClient
    {
            Q_OBJECT
  
            //TQ_PROPERTY(TQString configfile READ getConfigFile WRITE setConfigFile)

        public:

            /// List of TDEAction instances.
            typedef TQPtrList<TDEAction> List;

            /**
             * Constructor.
             *
             * \param guiclient The KXMLGUIClient this \a ScriptGUIClient
             *        is a child of.
             * \param parent The parent TQWidget. If defined TQt will handle
             *        freeing this \a ScriptGUIClient instance else the
             *        caller has to take care of freeing this instance
             *        if not needed any longer.
             */
            explicit ScriptGUIClient(KXMLGUIClient* guiclient, TQWidget* parent = 0);

            /**
             * Destructor.
             */
            virtual ~ScriptGUIClient();

            /**
             * \return true if this \a ScriptGUIClient has a \a ScriptActionCollection
             * with the name \p name else false is returned.
             */
            bool hasActionCollection(const TQString& name);

            /**
             * \return the \a ScriptActionCollection which has the name \p name
             * or NULL if there exists no such \a ScriptActionCollection .
             */
            ScriptActionCollection* getActionCollection(const TQString& name);

            /**
             * \return a map of all avaiable \a ScriptActionCollection instances
             * this \a ScriptGUIClient knows about.
             * Per default there are 2 collections avaiable;
             * 1. "installedscripts" The installed collection of scripts.
             * 2. "loadedscripts" The loaded scripts.
             */
            TQMap<TQString, ScriptActionCollection*> getActionCollections();

            /**
             * Add a new \a ScriptActionCollection with the name \p name to
             * our map of actioncollections.
             */
            void addActionCollection(const TQString& name, ScriptActionCollection* collection);

            /**
             * Remove the \a ScriptActionCollection defined with name \p name.
             */
            bool removeActionCollection(const TQString& name);

            /**
             * Reload the list of installed scripts.
             */
            void reloadInstalledScripts();

            /**
             * Install the packagefile \p scriptpackagefile . Those
             * packagefile should be a tar.gz-archive which will be
             * extracted and to the users script-directory.
             */
            bool installScriptPackage(const TQString& scriptpackagefile);

            /**
             * Uninstall the scriptpackage located in the path
             * \p scriptpackagepath . This just deletes the whole
             * directory.
             */
            bool uninstallScriptPackage(const TQString& scriptpackagepath);

            /**
             * Load the scriptpackage's configurationfile
             * \p scriptconfigfile and add the defined \a ScriptAction
             * instances to the list of installed scripts.
             */
            bool loadScriptConfigFile(const TQString& scriptconfigfile);

            /**
             * Load the \p document DOM-document from the scriptpackage's
             * XML-configfile \p scriptconfigfile and add the defined
             * \a ScriptAction instances to the list of installed scripts.
             */
            bool loadScriptConfigDocument(const TQString& scriptconfigfile, const TQDomDocument &document);

            /// KXMLGUIClient overloaded method to set the XML file.
            virtual void setXMLFile(const TQString& file, bool merge = false, bool setXMLDoc = true);
            /// KXMLGUIClient overloaded method to set the XML DOM-document.
            virtual void setDOMDocument(const TQDomDocument &document, bool merge = false);

        public slots:

           /**
            * A KFileDialog will be displayed to let the user choose
            * a scriptfile. The choosen file will be returned as KURL.
            */
            KURL openScriptFile(const TQString& caption = TQString());

           /**
            * A KFileDialog will be displayed to let the user choose
            * a scriptfile that should be loaded.
            * Those loaded \a ScriptAction will be added to the
            * \a ScriptActionCollection of loaded scripts.
            */
            bool loadScriptFile();

            /**
            * A KFileDialog will be displayed to let the user choose
            * the scriptfile that should be executed.
            * The executed \a ScriptAction will be added to the
            * \a ScriptActionCollection of executed scripts.
            */
            bool executeScriptFile();

            /**
            * Execute the scriptfile \p file . Internaly we try to use
            * the defined filename to auto-detect the \a Interpreter which
            * should be used for the execution.
            */
            bool executeScriptFile(const TQString& file);

            /**
             * This method executes the \a ScriptAction \p action .
             * Internaly we just call \a ScriptAction::activate and 
             * redirect the success/failed signals to our internal slots.
             */
            bool executeScriptAction(ScriptAction::Ptr action);

            /**
            * The \a ScriptManagerGUI dialog will be displayed to
            * let the user manage the scriptfiles.
            */
            void showScriptManager();

        private slots:

            /**
            * Called if execution of this \a ScriptAction failed and
            * displays an errormessage-dialog.
            */
            void executionFailed(const TQString& errormessage, const TQString& tracedetails);

            /**
            * Called if execution of this \a ScriptAction was 
            * successfully. The \a ScriptAction will be added
            * to the history-collection of successfully executed
            * \a ScriptAction instances.
            */
            void successfullyExecuted();

        signals:
            /// Emitted if a \a ScriptActionCollection instances changed.
            void collectionChanged(ScriptActionCollection*);
            /// This signal is emited when the execution of a script is started
            void executionStarted(const Kross::Api::ScriptAction* );
            /// This signal is emited when the execution of a script is finished
            void executionFinished(const Kross::Api::ScriptAction* );
        private:
            /// Internaly used private d-pointer.
            ScriptGUIClientPrivate* d;
    };

}}

#endif