src/gui/conferenceeditor.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
   4  *
   5  * This file is part of ConfClerk.
   6  *
   7  * ConfClerk is free software: you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation, either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * ConfClerk is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "conferenceeditor.h"
  21
  22 #include "conferencemodel.h"
  23 #include "urlinputdialog.h"
  24 #include "errormessage.h"
  25
  26 #include <QInputDialog>
  27 #include <QItemSelectionModel>
  28 #include <QFileDialog>
  29 #include <QMessageBox>
  30
  31 ConferenceEditor::ConferenceEditor(ConferenceModel* model, QWidget* parent)
  32 : QDialog(parent)
  33 , model(model)
  34 , selected_id(-1)
  35 {
  36     setupUi(this);
  37     progressBar->hide();
  38
  39     confView->setModel(model);
  40
  41     QItemSelectionModel* confViewSelection = new QItemSelectionModel(model, this);
  42     confView->setSelectionModel(confViewSelection);
  43
  44     connect(confViewSelection, SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)),
  45                                 SLOT(itemSelected(const QModelIndex&, const QModelIndex&)));
  46     connect(this, SIGNAL(wantCurrent(const QModelIndex&, QItemSelectionModel::SelectionFlags)),
  47             confViewSelection, SLOT(setCurrentIndex(const QModelIndex&, QItemSelectionModel::SelectionFlags)));
  48     connect(addBtn, SIGNAL(clicked()), SLOT(addClicked()));
  49     connect(removeBtn, SIGNAL(clicked()), SLOT(removeClicked()));
  50     connect(changeUrl, SIGNAL(clicked()), SLOT(changeUrlClicked()));
  51     connect(refreshBtn, SIGNAL(clicked()), SLOT(refreshClicked()));
  52     connect(buttonBox, SIGNAL(rejected()), SLOT(close()));
  53     connect(conferenceDtsHours, SIGNAL(valueChanged(int)), SLOT(dtsChanged()));
  54     connect(conferenceDtsMinutes, SIGNAL(valueChanged(int)), SLOT(dtsChanged()));
  55
  56     // it's OK to emit selection signals here
  57     // because they are not yet connected to anybody
  58     int active_id = Conference::activeConference();
  59     if (active_id > 0) {
  60         emit wantCurrent(model->indexFromId(active_id), QItemSelectionModel::SelectCurrent);
  61     } else {
  62         itemSelected(QModelIndex(), QModelIndex());
  63     }
  64 }
  65
  66 void ConferenceEditor::conferenceRemoved()
  67 {
  68     if (model->rowCount() > 0) {
  69         emit wantCurrent(model->index(0, 0), QItemSelectionModel::SelectCurrent);
  70     } else {
  71         itemSelected(QModelIndex(), QModelIndex());
  72     }
  73 }
  74
  75 void ConferenceEditor::itemSelected(const QModelIndex& current, const QModelIndex& previous)
  76 {
  77     // TODO: fill all required fields
  78     Q_UNUSED(previous);
  79     if (!current.isValid()) {
  80         selected_id = -1;
  81
  82         emit noneConferenceSelected();
  83
  84         conferenceInfo->setCurrentIndex(1);
  85         removeBtn->hide();
  86     } else {
  87         const Conference& conf = model->conferenceFromIndex(current);
  88         selected_id = conf.id();
  89
  90         emit haveConferenceSelected(selected_id);
  91
  92         conferenceTitle->setText(conf.title());
  93         conferenceSubtitle->setText(conf.subtitle());
  94         QString where = conf.city();
  95         if (!conf.city().isEmpty() && !conf.venue().isEmpty()) where += ", ";
  96         where += conf.venue();
  97         conferenceWhere->setText(where);
  98         conferenceWhen->setText(
  99                 conf.start().toString("yyyy-MM-dd")
 100                 + " - " +
 101                 conf.end().toString("yyyy-MM-dd"));
 102         if (conf.hasUtcOffset()) {
 103             conferenceUtcOffset->setText(QString::number(conf.utcOffset()) + " min");
 104         } else {
 105             conferenceUtcOffset->setText("N/A");
 106         }
 107         int dts = conf.displayTimeShift();
 108         conferenceDtsHours->setValue(dts / 60);
 109         conferenceDtsMinutes->setValue(abs(dts) % 60);
 110         conferenceInfo->setCurrentIndex(0);
 111         removeBtn->show();
 112     }
 113 }
 114
 115 void ConferenceEditor::addClicked()
 116 {
 117     UrlInputDialog url_input(this);
 118     switch (url_input.exec()) {
 119     case UrlInputDialog::HaveUrl: emit haveConferenceUrl(url_input.url(), 0); break;
 120     case UrlInputDialog::HaveFile: emit haveConferenceFile(url_input.url(), 0); break;
 121     case UrlInputDialog::Cancel: return;
 122     }
 123 }
 124
 125 void ConferenceEditor::removeClicked()
 126 {
 127     if (selected_id < 0) {
 128         // TODO: disable it when none is selected
 129         return;
 130     }
 131
 132     QMessageBox::StandardButton answer =
 133         QMessageBox::question(0
 134             , "Deletion confirmation"
 135             , QString("Really delete the %1 conference").arg(Conference::getById(selected_id).title())
 136             , QMessageBox::Yes | QMessageBox::No
 137             , QMessageBox::No);
 138
 139     if (answer == QMessageBox::Yes) {
 140         emit removeConferenceRequested(selected_id);
 141     }
 142 }
 143
 144 void ConferenceEditor::changeUrlClicked()
 145 {
 146     if (selected_id < 0) return;
 147     const Conference& selectedConf = Conference::getById(selected_id);
 148
 149     bool ok;
 150     QString url = QInputDialog::getText(this, "URL Input", "Enter schedule URL", QLineEdit::Normal, selectedConf.url(), &ok);
 151
 152     if (ok) {
 153         emit changeUrlRequested(selected_id, url);
 154     }
 155 }
 156
 157 void ConferenceEditor::refreshClicked()
 158 {
 159     if (selected_id <= 0) return;
 160     const Conference& selectedConf = Conference::getById(selected_id);
 161     QString url = selectedConf.url();
 162
 163     if (url.isEmpty()) {
 164         static const QString format("Schedule URL for %1 is not set. Enter the schedule URL:");
 165         bool ok;
 166         url = QInputDialog::getText(this, "URL Input", format.arg(selectedConf.title()), QLineEdit::Normal, QString(), &ok);
 167         if (!ok) return;
 168         // first save it, to remain if fetch fails
 169         emit changeUrlRequested(selected_id, url);
 170     }
 171     // fetch
 172     importStarted(); // just to show the progress bar
 173     emit haveConferenceUrl(url, selected_id);
 174 }
 175
 176 void ConferenceEditor::dtsChanged() {
 177     if (selected_id < 0) return;
 178     Conference& conference = model->conferenceFromIndex(model->indexFromId(selected_id));
 179     int minutes = conferenceDtsMinutes->value();
 180     if (conferenceDtsHours->value() < 0) minutes *= -1;
 181     conference.setDisplayTimeShift(conferenceDtsHours->value() * 60 + minutes);
 182 }
 183
 184 void ConferenceEditor::importStarted()
 185 {
 186     addBtn->hide();
 187     removeBtn->hide();
 188     buttons->layout()->removeItem(buttonsSpacer);
 189     progressBar->setValue(0);
 190     progressBar->show();
 191
 192     QApplication::processEvents();
 193 }
 194
 195 void ConferenceEditor::showParsingProgress(int progress)
 196 {
 197     progressBar->setValue(progress);
 198
 199     QApplication::processEvents();
 200 }
 201
 202 void ConferenceEditor::importFinished(int conferenceId) {
 203     addBtn->show();
 204     // removeItem should be shown later, but it takes some time,
 205     // and not looks good
 206     // anyway it will be shown a bit later
 207     removeBtn->show();
 208     buttons->layout()->addItem(buttonsSpacer);
 209     progressBar->hide();
 210
 211     QApplication::processEvents();
 212
 213     QModelIndex item = model->indexFromId(conferenceId);
 214     if (item.isValid())
 215         emit wantCurrent(item, QItemSelectionModel::SelectCurrent);
 216     else
 217         itemSelected(QModelIndex(), QModelIndex());
 218 }
 219