Subversion Repositories tpanel

/*

 * Copyright (C) 2020 to 2023 by Andreas Theofilu <andreas@theosys.at>

 *

 * 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

 */

#include <string>

#include "tpageinterface.h"

#include "tpagelist.h"

#include "tconfig.h"

#include "terror.h"

#if __cplusplus < 201402L

#   error "This module requires at least C++14 standard!"

#else

#   if __cplusplus < 201703L

#       include <experimental/filesystem>

namespace fs = std::experimental::filesystem;

#       warning "Support for C++14 and experimental filesystem will be removed in a future version!"

#   else

#       include <filesystem>

#       ifdef __ANDROID__

namespace fs = std::__fs::filesystem;

#       else

namespace fs = std::filesystem;

#       endif

#   endif

#endif

using std::string;

using std::vector;

using namespace Expat;

TPageList::TPageList()

{

    DECL_TRACER("TPageList::TPageList()");

    string projectPath = TConfig::getProjectPath();

    mProject = makeFileName(projectPath, "prj.xma");

    if (fs::exists(mProject))

        initialize();

    projectPath += "/__system";

    mSystemProject = makeFileName(projectPath, "prj.xma");

    if (fs::exists(mSystemProject))

        initialize(true);

    // Add the virtual progress page

    PAGELIST_T pl;

    pl.name = "_progress";

    pl.pageID = 300;

    mPageList.push_back(pl);

}

TPageList::~TPageList()

{

    DECL_TRACER("TPageList::~TPageList()");

}

void TPageList::initialize(bool system)

{

    DECL_TRACER("TPageList::initialize(bool system)");

    TError::clear();

    string sProject;

    if (!system)

    {

        if (mPageList.size() > 0)

            mPageList.clear();

        if (mSubPageList.size() > 0)

            mSubPageList.clear();

        sProject = mProject;

    }

    else

    {

        if (mSystemPageList.size() > 0)

            mSystemPageList.clear();

        if (mSystemSubPageList.size() > 0)

            mSystemSubPageList.clear();

        sProject = mSystemProject;

    }

    if (sProject.empty() || !isValidFile(sProject))

    {

        TError::setErrorMsg("Empty or invalid project file! <" + sProject + ">");

        MSG_ERROR(TError::getErrorMsg());

        return;

    }

    TExpat xml(sProject);

    xml.setEncoding(ENC_CP1250);

    if (!xml.parse())

        return;

    int depth = 0;

    size_t index = 0;

    if (xml.getElementIndex("pageList", &depth) == TExpat::npos)

    {

        MSG_ERROR("Couldn't find the section \"pageList\" in file!");

        TError::setError();

        return;

    }

    do

    {

        vector<ATTRIBUTE_t> attrs = xml.getAttributes();

        string attribute = xml.getAttribute("type", attrs);

        if (attribute.empty())

        {

            TError::setErrorMsg("Missing element \"pageList\" in file " + sProject);

            MSG_ERROR(TError::getErrorMsg());

            return;

        }

        else if (attribute.compare("page") != 0 && attribute.compare("subpage") != 0)

        {

            TError::setErrorMsg("Invalid page type " + attribute + " found!");

            MSG_ERROR(TError::getErrorMsg());

            return;

        }

        while ((index = xml.getNextElementIndex("pageEntry", depth+1)) != TExpat::npos)

        {

            PAGELIST_T pl;

            SUBPAGELIST_T spl;

            pl.clear();

            spl.clear();

            string e, content;

            while ((index = xml.getNextElementFromIndex(index, &e, &content, nullptr)) != TExpat::npos)

            {

                if (attribute.compare("page") == 0)

                {

                    if (e.compare("name") == 0)

                        pl.name = content;

                    else if (e.compare("pageID") == 0)

                        pl.pageID = xml.convertElementToInt(content);

                    else if (e.compare("file") == 0)

                        pl.file = content;

                    else if (e.compare("isValid") == 0)

                        pl.isValid = xml.convertElementToInt(content);

                }

                else if (attribute.compare("subpage") == 0)

                {

                    if (e.compare("name") == 0)

                        spl.name = content;

                    else if (e.compare("pageID") == 0)

                        spl.pageID = xml.convertElementToInt(content);

                    else if (e.compare("file") == 0)

                        spl.file = content;

                    else if (e.compare("group") == 0)

                        spl.group = content;

                    else if (e.compare("isValid") == 0)

                        spl.isValid = xml.convertElementToInt(content);

                    else if (e.compare("popupType") == 0)

                        spl.popupType = xml.convertElementToInt(content);

                }

            }

            if (attribute.compare("page") == 0)

            {

                if (!system)

                    mPageList.push_back(pl);

                else

                    mSystemPageList.push_back(pl);

            }

            else if (attribute.compare("subpage") == 0)

            {

                if (!system)

                    mSubPageList.push_back(spl);

                else

                    mSystemSubPageList.push_back(spl);

            }

        }

        attribute.clear();

        attrs.clear();

    }

    while (xml.getNextElementIndex("pageList", depth) != TExpat::npos);

    loadSubPageSets(&xml);

}

void TPageList::loadSubPageSets(TExpat *xml)

{

    DECL_TRACER("TPageList::loadSubPageSets(TExpat *xml)");

    int depth = 0;

    size_t index = 0;

    size_t oldIndex = 0;

    if (xml->getElementIndex("subPageSets", &depth) == TExpat::npos)

    {

        MSG_WARNING("Couldn't find the section \"subPageSets\" in file!");

        return;

    }

    do

    {

        while ((index = xml->getNextElementIndex("subPageSetEntry", depth+1)) != TExpat::npos)

        {

            SUBVIEWLIST_T svl;

            SUBVIEWITEM_T svi;

            string e, content;

            vector<ATTRIBUTE_t> attrs = xml->getAttributes();

            svl.id = xml->getAttributeInt("id", attrs);

            while ((index = xml->getNextElementFromIndex(index, &e, &content, nullptr)) != TExpat::npos)

            {

                if (e.compare("name") == 0)

                    svl.name = content;

                else if (e.compare("pgWidth") == 0)

                    svl.pgWidth = xml->convertElementToInt(content);

                else if (e.compare("pgHeight") == 0)

                    svl.pgHeight = xml->convertElementToInt(content);

                else if (e.compare("items") == 0)

                {

                    string et;

                    while ((index = xml->getNextElementFromIndex(index, &et, &content, &attrs)) != TExpat::npos)

                    {

                        if (et.compare("item") == 0)

                        {

                            svi.index = xml->getAttributeInt("index", attrs);

                            string it;

                            while ((index = xml->getNextElementFromIndex(index, &it, &content, nullptr)) != TExpat::npos)

                            {

                                if (it.compare("pageID") == 0)

                                    svi.pageID = xml->convertElementToInt(content);

                                oldIndex = index;

                            }

                            svl.items.push_back(svi);

                            svi.index = svi.pageID = 0;

                            if (index == TExpat::npos)

                                index = oldIndex + 1;

                        }

                    }

                }

            }

            mSubViewList.push_back(svl);

            svl.id = svl.pgWidth = svl.pgHeight = 0;

            svl.items.clear();

            svl.name.clear();

        }

    }

    while (xml->getNextElementIndex("subPageSets", depth) != TExpat::npos);

    if (TStreamError::checkFilter(HLOG_DEBUG))

    {

        vector<SUBVIEWLIST_T>::iterator iterList;

        vector<SUBVIEWITEM_T>::iterator iterItem;

        for (iterList = mSubViewList.begin(); iterList != mSubViewList.end(); ++iterList)

        {

            MSG_DEBUG("Subview container " << iterList->id << ": " << iterList->name);

            MSG_DEBUG("        pgWidth:  " << iterList->pgWidth);

            MSG_DEBUG("        pgHeight: " << iterList->pgHeight);

            for (iterItem = iterList->items.begin(); iterItem != iterList->items.end(); ++iterItem)

            {

                MSG_DEBUG("        Item:     " << iterItem->index << ", pageID: " << iterItem->pageID);

            }

        }

    }

}

PAGELIST_T TPageList::findPage(const std::string& name, bool system)

{

    DECL_TRACER("TPageList::findPage(const std::string& name, bool system)");

    vector<PAGELIST_T>::iterator iter;

    PAGELIST_T page;

    if (!system && mPageList.size() > 0)

    {

        for (iter = mPageList.begin(); iter != mPageList.end(); ++iter)

        {

            if (iter->name.compare(name) == 0)

            {

                page = *iter;

                return page;

            }

        }

    }

    else if (mSystemPageList.size() > 0)

    {

        for (iter = mSystemPageList.begin(); iter != mSystemPageList.end(); ++iter)

        {

            if (iter->name.compare(name) == 0)

            {

                page = *iter;

                return page;

            }

        }

    }

    TError::setErrorMsg("Page " + name + " not found!");

    TError::setError();

    return page;

}

PAGELIST_T TPageList::findPage(int pageID)

{

    DECL_TRACER("TPageList::findPage(int pageID)");

    vector<PAGELIST_T>::iterator iter;

    PAGELIST_T page;

    if (pageID < SYSTEM_PAGE_START)

    {

        for (iter = mPageList.begin(); iter != mPageList.end(); ++iter)

        {

            if (iter->pageID == pageID)

            {

                page = *iter;

                return page;

            }

        }

    }

    else

    {

        for (iter = mSystemPageList.begin(); iter != mSystemPageList.end(); ++iter)

        {

            if (iter->pageID == pageID)

            {

                page = *iter;

                return page;

            }

        }

    }

    TError::setErrorMsg("Page " + std::to_string(pageID) + " not found!");

    TError::setError();

    return page;

}

SUBPAGELIST_T TPageList::findSubPage(const std::string& name, bool system)

{

    DECL_TRACER("TPageList::findSubPage(const std::string& name, bool system)");

    vector<SUBPAGELIST_T>::iterator iter;

    SUBPAGELIST_T page;

    if (!system && mSubPageList.size() > 0)

    {

        for (iter = mSubPageList.begin(); iter != mSubPageList.end(); ++iter)

        {

            if (iter->name.compare(name) == 0)

            {

                page = *iter;

                return page;

            }

        }

    }

    else if (mSystemSubPageList.size() > 0)

    {

        for (iter = mSystemSubPageList.begin(); iter != mSystemSubPageList.end(); ++iter)

        {

            if (iter->name.compare(name) == 0)

            {

                page = *iter;

                return page;

            }

        }

    }

    TError::setErrorMsg("Subpage " + name + " not found!");

    TError::setError();

    return page;

}

SUBPAGELIST_T TPageList::findSubPage(int pageID)

{

    DECL_TRACER("TPageList::findSubPage(int pageID)");

    vector<SUBPAGELIST_T>::iterator iter;

    SUBPAGELIST_T page;

    if (pageID < SYSTEM_PAGE_START)

    {

        for (iter = mSubPageList.begin(); iter != mSubPageList.end(); ++iter)

        {

            if (iter->pageID == pageID)

            {

                page = *iter;

                return page;

            }

        }

    }

    else

    {

        for (iter = mSystemSubPageList.begin(); iter != mSystemSubPageList.end(); ++iter)

        {

            if (iter->pageID == pageID)

            {

                page = *iter;

                return page;

            }

        }

    }

    TError::setErrorMsg("Subpage " + std::to_string(pageID) + " not found!");

    TError::setError();

    return page;

}

/*******************************************************************************

 * SubViewList

 *

 * A subview list is a container which defines one or more subpages. All the

 * subpages in the container are displayed inside a scroll area. This area can

 * be defined to scroll vertical or horizontal. On typing on one of the

 * subpages in the scroll area the defined action is made. It behaves like a

 * normal button and sends the push notification to the NetLinx. If there are

 * some actions defined they will be executed, just like a normal button.

 *

 * Only Modero X panels are supporting this subviews! And TPanel of course :-)

 ******************************************************************************/

/**

 * @brief TPageList::findSubViewList

 * Searches the list of subviews for an entry with the ID \a id. On success

 * the type \a SUBVIEWLIST_T is returned.

 *

 * @param id    The ID of the wanted subview list.

 * @return On success returns the SUBVIEWLIST_T with all data found. Otherwise

 * an empty structure is returned.

 */

SUBVIEWLIST_T TPageList::findSubViewList(int id)

{

    DECL_TRACER("TPageList::findSubViewList(int id)");

    if (mSubViewList.empty())

        return SUBVIEWLIST_T();

    vector<SUBVIEWLIST_T>::iterator iter;

    for (iter = mSubViewList.begin(); iter != mSubViewList.end(); ++iter)

    {

        if (iter->id == id)

            return *iter;

    }

    return SUBVIEWLIST_T();

}

/**

 * @brief TPageList::findSubViewListPageID

 * Find the page ID inside of a subview list. The ID of the subview as well as

 * the index number of the item must be known to get the page ID.

 *

 * @param id        ID of subview.

 * @param index     Index number of item in the subview list.

 *

 * @return On success returns the page ID. If the page ID couldn't be found

 * either because there are no subviews or the subview ID doesn't exist or the

 * index number inside the subview doesn't exist, it returns -1.

 */

int TPageList::findSubViewListPageID(int id, int index)

{

    DECL_TRACER("TPageList::findSubViewListPageID(int id, int index)");

    if (mSubViewList.empty())

        return -1;

    SUBVIEWLIST_T slist = findSubViewList(id);

    if (slist.id == 0 || slist.items.empty())

        return -1;

    vector<SUBVIEWITEM_T>::iterator iter;

    for (iter = slist.items.begin(); iter != slist.items.end(); ++iter)

    {

        if (iter->index == index)

            return iter->pageID;

    }

    return -1;

}

/**

 * @brief TPageList::findSubViewListNextPageID

 * Searches for the first or the next page ID inside a subview list.

 * If the parameter \a *index is less then 0, the first index is returned.

 * otherwise the next index grater then \a *index is returned, if there is one.

 * If no more indexes are found it returns -1.

 *

 * @param id        The ID of the subview list.

 * @param index     The index number.

 *

 * @return On success the next page ID where the index is higher then \a index

 * is returned. If there is no more page ID with a higher index it returns -1.

 */

int TPageList::findSubViewListNextPageID(int id, int *index)

{

    DECL_TRACER("TPageList::findSubViewListNextPageID(int id, int *index)");

    if (mSubViewList.empty() || !index)

        return -1;

    SUBVIEWLIST_T slist = findSubViewList(id);

    if (slist.id == 0 || slist.items.empty())

        return -1;

    if (*index < 0)

    {

        *index = slist.items[0].index;

        return slist.items[0].pageID;

    }

    vector<SUBVIEWITEM_T>::iterator iter;

    for (iter = slist.items.begin(); iter != slist.items.end(); ++iter)

    {

        if (iter->index > *index)

            return iter->pageID;

    }

    return -1;

}

int TPageList::findSubViewListID(int pageID, int *index)

{

    DECL_TRACER("TPageList::findSubViewListID(int pageID, int *index)");

    if (mSubViewList.empty() || pageID <= 0)

        return -1;

    vector<SUBVIEWLIST_T>::iterator iter;

    for (iter = mSubViewList.begin(); iter != mSubViewList.end(); ++iter)

    {

        vector<SUBVIEWITEM_T>::iterator itItem;

        for (itItem = iter->items.begin(); itItem != iter->items.end(); ++itItem)

        {

            if (itItem->pageID == pageID)

            {

                if (index)

                    *index = itItem->index;

                return iter->id;

            }

        }

    }

    return -1;

}