src/gui/conferenceeditor.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011-2012 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
  54     // it's OK to emit selection signals here
  55     // because they are not yet connected to anybody
  56     int active_id = Conference::activeConference();
  57     if (active_id > 0) {
  58         emit wantCurrent(model->indexFromId(active_id), QItemSelectionModel::SelectCurrent);
  59     } else {
  60         itemSelected(QModelIndex(), QModelIndex());
  61     }
  62 }
  63
  64 void ConferenceEditor::conferenceRemoved()
  65 {
  66     if (model->rowCount() > 0) {
  67         emit wantCurrent(model->index(0, 0), QItemSelectionModel::SelectCurrent);
  68     } else {
  69         itemSelected(QModelIndex(), QModelIndex());
  70     }
  71 }
  72
  73 void ConferenceEditor::itemSelected(const QModelIndex& current, const QModelIndex& previous)
  74 {
  75     // TODO: fill all required fields
  76     Q_UNUSED(previous);
  77     if (!current.isValid()) {
  78         selected_id = -1;
  79
  80         emit noneConferenceSelected();
  81
  82         conferenceInfo->setCurrentIndex(1);
  83         removeBtn->hide();
  84     } else {
  85         const Conference& conf = model->conferenceFromIndex(current);
  86         selected_id = conf.id();
  87
  88         emit haveConferenceSelected(selected_id);
  89
  90         conferenceTitle->setText(conf.title());
  91         conferenceSubtitle->setText(conf.subtitle());
  92         conferenceWhere->setText(conf.city() + (!conf.venue().isEmpty() ? ", " + conf.venue() : ""));
  93         conferenceWhen->setText(
  94                 conf.start().toString("yyyy-MM-dd")
  95                 + " - " +
  96                 conf.end().toString("yyyy-MM-dd"));
  97         conferenceInfo->setCurrentIndex(0);
  98         removeBtn->show();
  99     }
 100 }
 101
 102 void ConferenceEditor::addClicked()
 103 {
 104     UrlInputDialog url_input(this);
 105     switch (url_input.exec()) {
 106     case UrlInputDialog::HaveUrl: emit haveConferenceUrl(url_input.url()); break;
 107     case UrlInputDialog::HaveFile: emit haveConferenceFile(url_input.url()); break;
 108     case UrlInputDialog::Cancel: return;
 109     }
 110 }
 111
 112 void ConferenceEditor::removeClicked()
 113 {
 114     if (selected_id < 0) {
 115         // TODO: disable it when none is selected
 116         return;
 117     }
 118
 119     QMessageBox::StandardButton answer =
 120         QMessageBox::question(0
 121             , "Deletion confirmation"
 122             , QString("Really delete the %1 conference").arg(Conference::getById(selected_id).title())
 123             , QMessageBox::Yes | QMessageBox::No
 124             , QMessageBox::No);
 125
 126     if (answer == QMessageBox::Yes) {
 127         emit removeConferenceRequested(selected_id);
 128     }
 129 }
 130
 131 void ConferenceEditor::changeUrlClicked()
 132 {
 133     if (selected_id < 0) return;
 134     const Conference& selectedConf = Conference::getById(selected_id);
 135
 136     bool ok;
 137     QString url = QInputDialog::getText(this, "URL Input", "Enter schedule URL", QLineEdit::Normal, selectedConf.url(), &ok);
 138
 139     if (ok) {
 140         emit changeUrlRequested(selected_id, url);
 141     }
 142 }
 143
 144 void ConferenceEditor::refreshClicked()
 145 {
 146     if (selected_id < 0) return;
 147     const Conference& selectedConf = Conference::getById(selected_id);
 148     QString url = selectedConf.url();
 149
 150     if (url.isEmpty()) {
 151         static const QString format("Schedule URL for %1 is not set. Enter the schedule URL:");
 152         bool ok;
 153         url = QInputDialog::getText(this, "URL Input", format.arg(selectedConf.title()), QLineEdit::Normal, QString(), &ok);
 154         if (!ok) return;
 155         // first save it, to remain if fetch fails
 156         emit changeUrlRequested(selected_id, url);
 157     }
 158     // fetch
 159     importStarted(); // just to show the progress bar
 160     emit haveConferenceUrl(url);
 161 }
 162
 163 void ConferenceEditor::importStarted()
 164 {
 165     addBtn->hide();
 166     removeBtn->hide();
 167     buttons->layout()->removeItem(buttonsSpacer);
 168     progressBar->setValue(0);
 169     progressBar->show();
 170
 171     QApplication::processEvents();
 172 }
 173
 174 void ConferenceEditor::showParsingProgress(int progress)
 175 {
 176     progressBar->setValue(progress);
 177
 178     QApplication::processEvents();
 179 }
 180
 181 void ConferenceEditor::importFinished(const QString& title)
 182 {
 183     addBtn->show();
 184     // removeItem should be shown later, but it takes some time,
 185     // and not looks good
 186     // anyway it will be shown a bit later
 187     removeBtn->show();
 188     buttons->layout()->addItem(buttonsSpacer);
 189     progressBar->hide();
 190
 191     QApplication::processEvents();
 192
 193     int num = model->rowCount();
 194     for (int i = 0; i < num; i++) {
 195         QModelIndex item = model->index(i, 0);
 196         if (model->data(item) == title) {
 197             emit wantCurrent(item, QItemSelectionModel::SelectCurrent);
 198             return;
 199         }
 200     }
 201     itemSelected(QModelIndex(), QModelIndex());
 202 }
 203