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https://github.com/ElvishArtisan/rivendell.git
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2021-01-26 Fred Gleason <fredg@paravelsystems.com>
* Added 'RDPypadListModel'. * Refactored the 'Encoder 'PyPAD Instances' dialog in rdadmin(1) to use the model-based API. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
This commit is contained in:
Fred Gleason
356
lib/rdpypadlistmodel.cpp
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356
lib/rdpypadlistmodel.cpp
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// rdpypadlistmodel.cpp
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//
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// Data model for Rivendell PyPAD instances
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//
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// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include "rdapplication.h"
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#include "rdescape_string.h"
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#include "rdpypadlistmodel.h"
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RDPypadListModel::RDPypadListModel(const QString &hostname,QObject *parent)
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: QAbstractTableModel(parent)
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{
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d_station_name=hostname;
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//
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// Column Attributes
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//
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unsigned left=Qt::AlignLeft|Qt::AlignVCenter;
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// unsigned center=Qt::AlignCenter;
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unsigned right=Qt::AlignRight|Qt::AlignVCenter;
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d_headers.push_back(tr("ID"));
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d_alignments.push_back(left);
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d_headers.push_back(tr("Description"));
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d_alignments.push_back(left);
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d_headers.push_back(tr("Script Path"));
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d_alignments.push_back(left);
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d_headers.push_back(tr("Exit Code"));
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d_alignments.push_back(right);
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d_state_timer=new QTimer(this);
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d_state_timer->setSingleShot(true);
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connect(d_state_timer,SIGNAL(timeout()),this,SLOT(stateTimeoutData()));
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d_state_timer->start(0);
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updateModel();
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}
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RDPypadListModel::~RDPypadListModel()
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{
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delete d_state_timer;
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}
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QPalette RDPypadListModel::palette()
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{
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return d_palette;
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}
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void RDPypadListModel::setPalette(const QPalette &pal)
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{
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d_palette=pal;
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}
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void RDPypadListModel::setFont(const QFont &font)
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{
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d_font=font;
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d_bold_font=font;
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d_bold_font.setWeight(QFont::Bold);
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}
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int RDPypadListModel::columnCount(const QModelIndex &parent) const
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{
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return d_headers.size();
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}
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int RDPypadListModel::rowCount(const QModelIndex &parent) const
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{
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return d_texts.size();
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}
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QVariant RDPypadListModel::headerData(int section,Qt::Orientation orient,
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int role) const
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{
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if((orient==Qt::Horizontal)&&(role==Qt::DisplayRole)) {
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return d_headers.at(section);
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}
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return QVariant();
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}
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QVariant RDPypadListModel::data(const QModelIndex &index,int role) const
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{
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QString str;
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int col=index.column();
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int row=index.row();
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if(row<d_texts.size()) {
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switch((Qt::ItemDataRole)role) {
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case Qt::DisplayRole:
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return d_texts.at(row).at(col);
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case Qt::DecorationRole:
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if(col==0) {
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return d_state_icons.at(row);
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}
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break;
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case Qt::TextAlignmentRole:
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return d_alignments.at(col);
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case Qt::FontRole:
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if(col==0) {
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return d_bold_font;
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}
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return d_font;
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case Qt::TextColorRole:
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// Nothing to do!
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break;
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case Qt::BackgroundRole:
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// Nothing to do!
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break;
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default:
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break;
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}
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}
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return QVariant();
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}
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int RDPypadListModel::instanceId(const QModelIndex &row) const
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{
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return d_ids.at(row.row());
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}
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QModelIndex RDPypadListModel::addInstance(int id)
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{
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//
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// Find the insertion offset
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//
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int offset=d_ids.size();
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for(int i=0;i<d_ids.size();i++) {
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if(id<d_ids.at(i)) {
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offset=i;
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break;
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}
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}
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beginInsertRows(QModelIndex(),offset,offset);
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QList<QVariant> list;
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for(int i=0;i<columnCount();i++) {
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list.push_back(QVariant());
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}
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d_texts.insert(offset,list);
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d_ids.insert(offset,id);
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d_state_icons.
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insert(offset,rda->iconEngine()->listIcon(RDIconEngine::RedBall));
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d_states.insert(offset,false);
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updateRowLine(offset);
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endInsertRows();
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return createIndex(offset,0);
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}
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void RDPypadListModel::removeInstance(const QModelIndex &row)
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{
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beginRemoveRows(QModelIndex(),row.row(),row.row());
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d_ids.removeAt(row.row());
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d_state_icons.removeAt(row.row());
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d_states.removeAt(row.row());
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d_texts.removeAt(row.row());
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endRemoveRows();
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}
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void RDPypadListModel::removeInstance(int id)
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{
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for(int i=0;i<d_ids.size();i++) {
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if(d_ids.at(i)==id) {
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removeInstance(createIndex(i,0));
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return;
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}
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}
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}
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void RDPypadListModel::refresh(const QModelIndex &row)
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{
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if(row.row()<d_texts.size()) {
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QString sql=sqlFields()+
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"where "+
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QString().sprintf("PYPAD_INSTANCES.ID=%u",d_ids.at(row.row()));
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RDSqlQuery *q=new RDSqlQuery(sql);
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if(q->first()) {
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updateRow(row.row(),q);
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emit dataChanged(createIndex(row.row(),0),
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createIndex(row.row(),columnCount()));
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}
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delete q;
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}
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}
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void RDPypadListModel::refresh(int id)
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{
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for(int i=0;i<d_texts.size();i++) {
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if(d_ids.at(i)==id) {
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updateRowLine(i);
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return;
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}
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}
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}
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bool RDPypadListModel::isActive(int id) const
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{
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int index=d_ids.indexOf(id);
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if(index>=0) {
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return d_states.at(index);
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}
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return false;
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}
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void RDPypadListModel::stateTimeoutData()
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{
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QString sql;
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RDSqlQuery *q;
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int line=-1;
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sql=QString("select ")+
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"ID,"+ // 00
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"IS_RUNNING,"+ // 01
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"EXIT_CODE "+ // 02
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"from PYPAD_INSTANCES where "+
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"STATION_NAME=\""+RDEscapeString(d_station_name)+"\"";
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q=new RDSqlQuery(sql);
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while(q->next()) {
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if((line=d_ids.indexOf(q->value(0).toInt()))>=0) {
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if((q->value(1).toString()=="Y")!=d_states.at(line)) {
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if(d_states.at(line)) {
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d_state_icons[line]=
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rda->iconEngine()->listIcon(RDIconEngine::RedBall);
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}
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else {
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d_state_icons[line]=
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rda->iconEngine()->listIcon(RDIconEngine::GreenBall);
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}
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d_states[line]=!d_states.at(line);
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emit dataChanged(createIndex(line,0),createIndex(line,0));
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}
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if(d_texts.at(line).at(3)!=
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QString().sprintf("%d",q->value(2).toInt())) {
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d_texts[line][3]=QString().sprintf("%d",q->value(2).toInt());
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emit dataChanged(createIndex(line,3),createIndex(line,3));
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}
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}
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}
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delete q;
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d_state_timer->start(3000);
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}
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void RDPypadListModel::updateModel()
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{
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QList<QVariant> texts;
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RDSqlQuery *q=NULL;
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QString sql=sqlFields()+
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"where "+
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"PYPAD_INSTANCES.STATION_NAME=\""+RDEscapeString(d_station_name)+"\" "+
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"order by PYPAD_INSTANCES.ID ";
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beginResetModel();
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d_texts.clear();
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q=new RDSqlQuery(sql);
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while(q->next()) {
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d_ids.push_back(0);
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d_state_icons.
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push_back(rda->iconEngine()->listIcon(RDIconEngine::RedBall));
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d_states.push_back(false);
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d_texts.push_back(texts);
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updateRow(d_texts.size()-1,q);
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}
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delete q;
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endResetModel();
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}
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void RDPypadListModel::updateRowLine(int line)
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{
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if(line<d_texts.size()) {
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QString sql=sqlFields()+
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"where "+
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QString().sprintf("PYPAD_INSTANCES.ID=%u",d_ids.at(line));
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RDSqlQuery *q=new RDSqlQuery(sql);
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if(q->first()) {
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updateRow(line,q);
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}
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delete q;
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}
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}
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void RDPypadListModel::updateRow(int row,RDSqlQuery *q)
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{
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QList<QVariant> texts;
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// ID
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texts.push_back(QString().sprintf("%d",q->value(0).toInt()));
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// Description
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texts.push_back(q->value(1));
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// Script Path
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texts.push_back(q->value(2));
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// Exit Code
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texts.push_back(QString().sprintf("%d",q->value(3).toInt()));
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d_ids[row]=q->value(0).toInt();
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d_texts[row]=texts;
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}
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QString RDPypadListModel::sqlFields() const
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{
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QString sql=QString("select ")+
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"PYPAD_INSTANCES.ID," // 00
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"PYPAD_INSTANCES.DESCRIPTION,"+ // 01
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"PYPAD_INSTANCES.SCRIPT_PATH," // 02
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"PYPAD_INSTANCES.EXIT_CODE "+ // 03
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"from PYPAD_INSTANCES ";
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return sql;
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}
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