src/Gui/EnvelopeView.cpp

   1 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
   2
   3    This file is part of the Trojita Qt IMAP e-mail client,
   4    http://trojita.flaska.net/
   5
   6    This program is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU General Public License as
   8    published by the Free Software Foundation; either version 2 of
   9    the License or (at your option) version 3 or any later version
  10    accepted by the membership of KDE e.V. (or its successor approved
  11    by the membership of KDE e.V.), which shall act as a proxy
  12    defined in Section 14 of version 3 of the license.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22 #include "EnvelopeView.h"
  23 #include <QFontMetrics>
  24 #include <QLabel>
  25 #include <QUrlQuery>
  26 #include <QGridLayout>
  27 #include <QLayoutItem>
  28 #include <QVBoxLayout>
  29 #include "Gui/AddressRowWidget.h"
  30 #include "Gui/MessageView.h"
  31 #include "Gui/Util.h"
  32 #include "Imap/Model/ItemRoles.h"
  33 #include "Imap/Model/MailboxTree.h"
  34 #include "Imap/Model/Model.h"
  35 #include "UiUtils/Formatting.h"
  36
  37 namespace Gui {
  38
  39 EnvelopeView::EnvelopeView(QWidget *parent, MessageView *messageView): QWidget(parent), m_messageView(messageView)
  40 {
  41     QVBoxLayout *lay = new QVBoxLayout(this);
  42     lay->setContentsMargins(0, 0, 0, 0);
  43     setLayout(lay);
  44
  45 }
  46
  47 #define SET_LABEL_OPTIONS(LBL) \
  48 { \
  49     LBL->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); \
  50     LBL->setWordWrap(true); \
  51     LBL->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::LinksAccessibleByMouse); \
  52 }
  53
  54 #define ADD_ROW(LBL, WDG) \
  55 { \
  56     QLabel *l = new QLabel(LBL, this); \
  57     l->setAlignment(Qt::AlignRight); \
  58     form->addWidget(l, form->rowCount(), 0, Qt::AlignTop); \
  59     form->addWidget(WDG, form->rowCount()-1, 1, Qt::AlignTop); \
  60 }
  61
  62 /** @short */
  63 void EnvelopeView::setMessage(const QModelIndex &index)
  64 {
  65     while (QLayoutItem *item = layout()->takeAt(0)) {
  66         if (item->widget()) {
  67             item->widget()->deleteLater();
  68         } else if (item->layout()) {
  69             item->layout()->deleteLater();
  70         } else {
  71             delete item;
  72         }
  73     }
  74     Q_FOREACH(QWidget *w, findChildren<QWidget*>()) {
  75         w->deleteLater();
  76     }
  77
  78     if (!index.isValid()) {
  79         return;
  80     }
  81
  82     const Imap::Message::Envelope e = index.data(Imap::Mailbox::RoleMessageEnvelope).value<Imap::Message::Envelope>();
  83
  84     // Subject & date
  85     QString subDate;
  86     // Date
  87     if (e.date.isValid()) {
  88         subDate = QStringLiteral("<table style=\"margin:0px; margin-left:4em; float:right;\"><tr style=\"margin:0px;\"><td style=\"margin:0px;\">%1</td></tr></table>").arg(e.date.toLocalTime().toString(Qt::SystemLocaleLongDate));
  89     }
  90     subDate += QStringLiteral("<span style=\"font:bold large;\">%1</span>").arg(e.subject.toHtmlEscaped());
  91     auto lbl = new QLabel(subDate, this);
  92     SET_LABEL_OPTIONS(lbl)
  93     layout()->addWidget(lbl);
  94
  95     QGridLayout *form = new QGridLayout();
  96     form->setSpacing(0);
  97     form->setContentsMargins(0, 0, 0, 0);
  98     static_cast<QBoxLayout*>(layout())->addLayout(form);
  99
 100     // Sender
 101     AddressRowWidget *senderWidget = 0;
 102     QString senderLabel;
 103     if (!e.from.isEmpty()) {
 104         senderLabel = tr("From");
 105         senderWidget = new AddressRowWidget(this, QString(), e.from, m_messageView);
 106     }
 107     if (!e.sender.isEmpty() && e.sender != e.from) {
 108         if (senderWidget) {
 109             senderWidget->addAddresses(QStringLiteral(" %1").arg(tr("sent via")), e.sender, m_messageView);
 110         } else {
 111             senderLabel = tr("Sender");
 112             senderWidget = new AddressRowWidget(this, QString(), e.sender, m_messageView);
 113         }
 114     }
 115     if (!e.replyTo.isEmpty() && e.replyTo != e.from) {
 116         if (senderWidget) {
 117             senderWidget->addAddresses(QStringLiteral(", %1").arg(tr("replies to")), e.replyTo, m_messageView);
 118         } else {
 119             senderLabel = tr("Reply-To");
 120             senderWidget = new AddressRowWidget(this, QString(), e.replyTo, m_messageView);
 121         }
 122     }
 123     if (senderWidget)
 124         ADD_ROW(senderLabel, senderWidget)
 125
 126     // Receiver
 127     AddressRowWidget *receiverWidget = 0;
 128     QString receiverLabel;
 129     if (!e.to.isEmpty()) {
 130         receiverLabel = tr("To");
 131         receiverWidget = new AddressRowWidget(this, QString(), e.to, m_messageView);
 132     }
 133     if (!e.cc.isEmpty()) {
 134         if (receiverWidget) {
 135             receiverWidget->addAddresses(QStringLiteral(" %1").arg(tr("Cc'd to")), e.cc, m_messageView);
 136         } else {
 137             receiverLabel = tr("Cc");
 138             receiverWidget = new AddressRowWidget(this, QString(), e.cc, m_messageView);
 139         }
 140     }
 141     if (!e.bcc.isEmpty()) {
 142         if (receiverWidget) {
 143             receiverWidget->addAddresses(QStringLiteral(" %1").arg(tr("Bcc'd to")), e.bcc, m_messageView);
 144         } else {
 145             receiverLabel = tr("Bcc");
 146             receiverWidget = new AddressRowWidget(this, QString(), e.bcc, m_messageView);
 147         }
 148     }
 149     if (receiverWidget)
 150         ADD_ROW(receiverLabel, receiverWidget)
 151
 152     // Mailing list
 153     QVariantList headerListPost = index.data(Imap::Mailbox::RoleMessageHeaderListPost).toList();
 154     if (!headerListPost.isEmpty()) {
 155         QStringList buf;
 156         bool elided = false;
 157         Q_FOREACH(const QVariant &item, headerListPost) {
 158             const QString scheme = item.toUrl().scheme().toLower();
 159             const bool isMailTo = scheme == QLatin1String("mailto");
 160             if (isMailTo || scheme == QLatin1String("http") || scheme == QLatin1String("https")) {
 161                 QString target = item.toUrl().toString();
 162                 // eg. github uses reply+<some hash>@reply.github.com
 163                 QString caption = isMailTo ? item.toUrl().toString(QUrl::RemoveScheme) : target;
 164                 elided = elided || UiUtils::elideAddress(caption);
 165                 target = target.toHtmlEscaped();
 166                 buf << tr("<a href=\"%1\">%2</a>").arg(target, caption.toHtmlEscaped());
 167             } else {
 168                 buf << item.toUrl().toString().toHtmlEscaped();
 169             }
 170         }
 171         auto lbl = new QLabel(QString(QLatin1String("<html>&nbsp;%1</html>")).arg(buf.join(tr(", "))));
 172         SET_LABEL_OPTIONS(lbl)
 173         lbl->setOpenExternalLinks(true);
 174         if (elided)
 175             connect(lbl, &QLabel::linkHovered, lbl, &QLabel::setToolTip);
 176         ADD_ROW(tr("Mailing List"), lbl)
 177     }
 178
 179     // separating the message
 180     QFrame *line = new QFrame(this);
 181     line->setFrameStyle(QFrame::HLine|QFrame::Plain);
 182     layout()->addWidget(line);
 183 }
 184
 185
 186 }