Add Switch Conference page

When no conference is selected, the Switch Conference page
is the first page displayed to the user.

The selected conference is saved.

Change-Id: I1a29ea4412e0e2a778f747643bcfcad6c6be6ccd
Reviewed-by: Niels Weber <niels.weber@digia.com>

10 files changed, 180 insertions, 10 deletions

diff --git a/qml/components/ConferenceHeader.qml b/qml/components/ConferenceHeader.qml
index cb94432..a982bd5 100644
--- a/qml/components/ConferenceHeader.qml
+++ b/qml/components/ConferenceHeader.qml
@@ -98,7 +98,7 @@ Item {
                         id: locationButton
                         anchors.left: parent.left
                         anchors.verticalCenter: parent.verticalCenter
-                        opacity: (!!stack.currentItem && stack.currentItem.objectName !== "event" && Theme.currentConference !== "") ? 1 : 0
+                        opacity: (!!stack.currentItem && stack.currentItem.objectName !== "event" && applicationClient.currentConferenceId !== "") ? 1 : 0
                         Behavior on opacity { PropertyAnimation{} }
 
                         Image {
diff --git a/qml/components/ConferenceSwitcher.qml b/qml/components/ConferenceSwitcher.qml
new file mode 100644
index 0000000..22e0cfd
--- /dev/null
+++ b/qml/components/ConferenceSwitcher.qml
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import TalkSchedule 1.0
+import QtQuick.Layouts 1.1
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.2
+
+Rectangle {
+    id: conferencesList
+    objectName: "switchConf"
+    signal initialConferenceSelected
+
+    SubTitle {
+        id: subTitle
+        titleText: Theme.text.select_conference
+    }
+
+    ListView {
+        interactive: false
+        anchors.top: subTitle.bottom
+        anchors.topMargin: Theme.margins.twenty
+        height: parent.height - subTitle.height
+        width: parent.width
+        spacing: Theme.margins.ten
+        model: SortFilterModel {
+            id: sortModel
+            sortRole: "title"
+            model: applicationClient.conferencesModel
+        }
+
+        Connections {
+            target: applicationClient.conferencesModel
+            onDataReady: sortModel.model = applicationClient.conferencesModel
+        }
+
+        delegate: Item {
+            width: parent.width
+            height: Theme.sizes.buttonHeight
+            Button {
+                text: title
+                anchors.centerIn: parent
+                onClicked: {
+                    applicationClient.currentConferenceId = id
+                    var item = Qt.resolvedUrl("HomeScreen.qml")
+                    var loadedHS = stack.find(function(item){ return item.objectName === "homeScreen" })
+                    if (loadedHS !== null)
+                        stack.pop(loadedHS)
+                    else
+                        initialConferenceSelected()
+                }
+                width: window.width / 3.5
+                height: Theme.sizes.buttonHeight
+                style: ButtonStyle {
+                    background: Rectangle {
+                        border.width: 2
+                        property var backgroundColor: applicationClient.currentConferenceId === id ? Theme.colors.qtgreen : Theme.colors.white
+                        property var borderColor: applicationClient.currentConferenceId === id ? Qt.lighter(Theme.colors.qtgreen, 1.3) : Theme.colors.qtgreen
+                        color: control.pressed ? Qt.darker(backgroundColor, 1.1) : backgroundColor
+                        border.color: control.pressed ? Qt.darker(borderColor, 1.3) : borderColor
+                    }
+                    label: Text {
+                        horizontalAlignment: Text.AlignHCenter
+                        verticalAlignment: Text.AlignVCenter
+                        text: control.text
+                        color: applicationClient.currentConferenceId === id ? Theme.colors.white : Theme.colors.qtgreen
+                        font.pointSize: Theme.fonts.six_pt
+                        font.capitalization: Font.AllUppercase
+                    }
+                }
+            }
+        }
+    }
+
+}
diff --git a/qml/main.qml b/qml/main.qml
index 6eb3cb9..3c18d2d 100644
--- a/qml/main.qml
+++ b/qml/main.qml
@@ -88,12 +88,14 @@ ApplicationWindow {
                     append({name: Theme.text.schedule, id: "schedule"  })
                     append({name: Theme.text.talks, id: "talks"  })
                     append({name: Theme.text.favorites, id: "favorites"  })
+                    append({name: Theme.text.switchConf, id: "switchConf"  })
                     menuRectangle.height = Theme.sizes.buttonHeight * menuModel.count
                 }
             }
             Repeater {
                 id: listMenu
                 anchors.fill: parent
+                anchors.margins: Theme.margins.ten
                 model: menuModel
                 function firstOrLast(index)
                 {
@@ -137,7 +139,7 @@ ApplicationWindow {
                         id: separator
                         visible: index < menuModel.count - 1
                         anchors.bottom: parent.bottom
-                        height: Theme.applyRatio(1)
+                        height: 1
                         width: parent.width
                         color: Theme.colors.gray_menu
                     }
@@ -183,6 +185,15 @@ ApplicationWindow {
                                        })
                         }
                         break
+                    case "switchConf":
+                        var item = Qt.resolvedUrl("components/ConferenceSwitcher.qml")
+                        var loadedSC = stack.find(function(item){ return item.objectName === "switchConf" })
+                        if (loadedSC !== null)
+                            stack.pop(loadedSC)
+                        else {
+                            stack.push(item)
+                        }
+                        break
                     default:
                         break
                     }
@@ -194,6 +205,7 @@ ApplicationWindow {
 
     ConferenceHeader {
         id: header
+        visible: !initConferenceSwitcher.visible
         anchors.top: parent.top
         height: Theme.sizes.conferenceHeaderHeight
         width: parent.width
@@ -204,6 +216,7 @@ ApplicationWindow {
 
     StackView {
         id: stack
+        visible: !initConferenceSwitcher.visible
         focus: true
         width: parent.width
         anchors.top: header.bottom
@@ -224,8 +237,10 @@ ApplicationWindow {
     Item {
         id: splashscreen
         anchors.fill: parent
+        visible: !initConferenceSwitcher.visible
         Image {
             id: splashlogo
+            visible: splashscreen.visible
             anchors.centerIn: parent
             source: Theme.images.logo
             sourceSize.width: Theme.sizes.logoWidth * 2
@@ -240,7 +255,38 @@ ApplicationWindow {
                                       stack.push(Qt.resolvedUrl("components/HomeScreen.qml"))
                                   }
             }
-            Component.onCompleted: animation.running = true
         }
+        onVisibleChanged: if (visible) animation.running = true
+    }
+
+    Rectangle {
+        id: initConferenceSwitcher
+        anchors.fill: parent
+        opacity: 0.01
+        visible:  ModelsSingleton.conferenceId === ""
+        Image {
+            id: logo
+            visible: parent.visible
+            opacity: parent.opacity
+            anchors.top: parent.top
+            anchors.topMargin: Theme.margins.thirty
+            anchors.horizontalCenter: parent.horizontalCenter
+            sourceSize.height: Theme.sizes.logoHeight
+            sourceSize.width: Theme.sizes.logoWidth
+            source: Theme.images.logo
+            fillMode: Image.PreserveAspectFit
+        }
+        ConferenceSwitcher {
+            anchors.top: logo.bottom
+            anchors.topMargin: Theme.margins.thirty
+            anchors.bottom: parent.bottom
+            opacity: parent.opacity
+            width: parent.width
+        }
+    }
+
+    Connections {
+        target: applicationClient
+        onConferencesModelChanged: if (initConferenceSwitcher.visible) initConferenceSwitcher.opacity = 1
     }
 }
diff --git a/resource.qrc b/resource.qrc
index 324c947..74fdc63 100644
--- a/resource.qrc
+++ b/resource.qrc
@@ -32,5 +32,6 @@
         <file alias="images/Btn_VenueMap.svg">qml/components/images/Btn_VenueMap.svg</file>
         <file alias="images/Location.svg">qml/components/images/Location.svg</file>
         <file alias="images/Twitter.svg">qml/components/images/Twitter.svg</file>
+        <file>qml/components/ConferenceSwitcher.qml</file>
     </qresource>
 </RCC>
diff --git a/src/applicationclient.cpp b/src/applicationclient.cpp
index 3a2444d..95ccd0f 100644
--- a/src/applicationclient.cpp
+++ b/src/applicationclient.cpp
@@ -56,6 +56,8 @@
 
 ApplicationClient::ApplicationClient()
 {
+    m_settings = new FileIO(this, "settings.txt");
+
     timer = new QTimer(this);
     connect(timer, SIGNAL(timeout()), this, SLOT(authenticate()));
 
@@ -150,23 +152,27 @@ void ApplicationClient::authenticationSuccess(EnginioReply *reply)
 void ApplicationClient::setCurrentConferenceId(const QString &newConfId)
 {
     if (m_currentConferenceId != newConfId) {
-        m_currentConferenceId = newConfId;
-        emit currentConferenceIdChanged();
+        int indexCurrentConf = m_conferenceModel->indexOf("id", newConfId).toInt();
+        if (indexCurrentConf != -1) {
+            m_currentConferenceId = newConfId;
+            m_settings->write(m_currentConferenceId);
+            setCurrentConferenceIndex(indexCurrentConf);
+            emit currentConferenceIdChanged();
+        }
     }
 }
 
 void ApplicationClient::queryConferenceReply(EnginioReply *reply)
 {
     m_conferenceModel->onFinished(reply);
+    setCurrentConferenceId(m_settings->read());
     emit conferencesModelChanged();
-    setCurrentConferenceIndex(0);
 }
 
 void ApplicationClient::setCurrentConferenceIndex(const int index)
 {
     if (index > m_conferenceModel->rowCount() - 1)
         return;
-    setCurrentConferenceId(m_conferenceModel->data(index, "id").toString());
     m_details->insert(QLatin1String("location"),m_conferenceModel->data(index, "location"));
     m_details->insert(QLatin1String("title"), m_conferenceModel->data(index, "title"));
     m_details->insert(QLatin1String("TwitterTag"), m_conferenceModel->data(index, "TwitterTag"));
diff --git a/src/applicationclient.h b/src/applicationclient.h
index a11bed3..a23ae14 100644
--- a/src/applicationclient.h
+++ b/src/applicationclient.h
@@ -94,6 +94,7 @@ private:
     EnginioClient *m_client;
     Model *m_conferenceModel;
     FileIO *m_userData;
+    FileIO *m_settings;
     QString currentUsername;
     QString currentPassword;
     EnginioOAuth2Authentication *authenticator;
diff --git a/src/fileio.cpp b/src/fileio.cpp
index 2f18557..4cd7473 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -45,7 +45,7 @@
 #include <QUuid>
 #include <QDebug>
 
-FileIO::FileIO(QObject *parent) :
+FileIO::FileIO(QObject *parent, QString filename) :
     QObject(parent)
 {
     QString path = QStandardPaths::standardLocations(QStandardPaths::DataLocation).value(0);
@@ -54,7 +54,7 @@ FileIO::FileIO(QObject *parent) :
          dir.mkpath(path);
     if (!path.isEmpty() && !path.endsWith("/"))
         path += "/";
-    mSource = QString("%1userId.txt").arg(path);
+    mSource = QString("%1%2").arg(path).arg(filename);
 }
 
 QString FileIO::read()
diff --git a/src/fileio.h b/src/fileio.h
index 1af916b..03432d0 100644
--- a/src/fileio.h
+++ b/src/fileio.h
@@ -48,7 +48,7 @@ class FileIO : public QObject
 
 public:
     Q_PROPERTY(QString source READ source WRITE setSource NOTIFY sourceChanged)
-    explicit FileIO(QObject *parent = 0);
+    explicit FileIO(QObject *parent = 0, QString filename = "userId.txt");
 
     Q_INVOKABLE QString read();
     Q_INVOKABLE bool write(const QString &data);
diff --git a/src/theme.cpp b/src/theme.cpp
index 2732032..133ff12 100644
--- a/src/theme.cpp
+++ b/src/theme.cpp
@@ -84,6 +84,8 @@ Theme::Theme(QObject *parent)
     m_text->insert(QLatin1String("room"), tr("Room %1"));
     m_text->insert(QLatin1String("room_space"), tr(" - Room %1"));
     m_text->insert(QLatin1String("twitterLink"), tr("https://twitter.com/"));
+    m_text->insert(QLatin1String("select_conference"), "Select a conference");
+    m_text->insert(QLatin1String("switchConf"), "Switch conference");
 
     m_colors = new QQmlPropertyMap(this);
     m_colors->insert(QLatin1String("white"), QVariant("#ffffff"));
diff --git a/talk-schedule.pro b/talk-schedule.pro
index 02e0b22..512216b 100644
--- a/talk-schedule.pro
+++ b/talk-schedule.pro
@@ -23,6 +23,7 @@ OTHER_FILES += \
     qml/components/TrackSwitcher.qml \
     qml/components/Track.qml \
     qml/components/ConferenceHeader.qml \
+    qml/components/ConferenceSwitcher.qml \
     qml/components/TrackHeader.qml \
     qml/components/DaySwitcher.qml \
     qml/components/SubTitle.qml \