Add new declarative photoviewer demo

12 files changed, 354 insertions, 0 deletions

diff --git a/demos/declarative/declarative.pro b/demos/declarative/declarative.pro
index 4d169e3..aa60db0 100644
--- a/demos/declarative/declarative.pro
+++ b/demos/declarative/declarative.pro
@@ -8,6 +8,7 @@ SUBDIRS = \
 sources.files = \
    calculator \
    flickr \
+   photoviewer \
    samegame \
    snake \
    twitter \
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/AlbumDelegate.qml b/demos/declarative/photoviewer/PhotoViewerCore/AlbumDelegate.qml
new file mode 100644
index 0000000..0821cea
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/AlbumDelegate.qml
@@ -0,0 +1,86 @@
+import Qt 4.6
+
+Component {
+    id: albumDelegate
+    Package {
+
+        Item {
+            Package.name: 'browser'
+            GridView {
+                id: photosGridView; model: visualModel.parts.grid; width: mainWindow.width; height: mainWindow.height - 21
+                x: 0; y: 21; cellWidth: 160; cellHeight: 153; interactive: false
+                onCurrentIndexChanged: photosListView.positionViewAtIndex(currentIndex, ListView.Contain)
+            }
+        }
+
+        Item {
+            Package.name: 'fullscreen'
+            ListView {
+                id: photosListView; model: visualModel.parts.list; orientation: Qt.Horizontal
+                width: mainWindow.width; height: mainWindow.height; interactive: false
+                onCurrentIndexChanged: photosGridView.positionViewAtIndex(currentIndex, GridView.Contain)
+                highlightRangeMode: ListView.StrictlyEnforceRange; snapMode: ListView.SnapOneItem
+            }
+        }
+
+        Item {
+            Package.name: 'album'
+            id: albumWrapper
+            width: 210; height: 220
+
+            VisualDataModel {
+                id: visualModel; delegate: PhotoDelegate { }
+                model: RssModel { tags: tag }
+            }
+
+            PathView {
+                id: photosPathView; model: visualModel.parts.stack
+                anchors.centerIn: parent; anchors.verticalCenterOffset: -20
+                pathItemCount: 5
+                path: Path {
+                    PathAttribute { name: 'z'; value: 9999.0 }
+                    PathLine { x: 1; y: 1 }
+                    PathAttribute { name: 'z'; value: 0.0 }
+                }
+            }
+
+            Tag {
+                anchors.horizontalCenter: parent.horizontalCenter; anchors.bottom: parent.bottom
+                label: tag; rotation: Math.random() * (2 * 6 + 1) - 6
+            }
+
+            MouseArea { anchors.fill: parent; onClicked: albumWrapper.state = 'inGrid' }
+
+            states: [
+            State {
+                name: 'inGrid'
+                PropertyChanges { target: photosGridView; interactive: true }
+                PropertyChanges { target: albumsShade; opacity: 1 }
+                PropertyChanges{ target: backTag; onClicked: albumWrapper.state = ''; y: 6 }
+            },
+            State {
+                name: 'fullscreen'; extend: 'inGrid'
+                PropertyChanges { target: photosGridView; interactive: false }
+                PropertyChanges { target: photosListView; interactive: true }
+                PropertyChanges { target: photosShade; opacity: 1 }
+                PropertyChanges{ target: backTag; y: -backTag.height - 8 }
+            }
+            ]
+
+            transitions: [
+            Transition {
+                from: '*'; to: 'inGrid'
+                SequentialAnimation {
+                    NumberAnimation { properties: 'opacity'; duration: 250 }
+                    PauseAnimation { duration: 350 }
+                    NumberAnimation { target: backTag; properties: "y"; duration: 200; easing.type: "OutQuad" }
+                }
+            },
+            Transition {
+                from: 'inGrid'; to: '*'
+                NumberAnimation { properties: "y,opacity"; easing.type: "OutQuad"; duration: 300 }
+            }
+            ]
+        }
+    }
+}
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/PhotoDelegate.qml b/demos/declarative/photoviewer/PhotoViewerCore/PhotoDelegate.qml
new file mode 100644
index 0000000..5a4e63e
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/PhotoDelegate.qml
@@ -0,0 +1,141 @@
+import Qt 4.6
+
+Package {
+    Item { id: stackItem; Package.name: 'stack'; width: 160; height: 153; z: stackItem.PathView.z }
+    Item { id: listItem; Package.name: 'list'; width: mainWindow.width + 40; height: 153 }
+    Item { id: gridItem; Package.name: 'grid'; width: 160; height: 153 }
+
+    Item {
+        width: 160; height: 153
+
+        Item {
+            id: photoWrapper
+
+            property double randomAngle: Math.random() * (2 * 6 + 1) - 6
+            property double randomAngle2: Math.random() * (2 * 6 + 1) - 6
+
+            x: 0; y: 0; width: 140; height: 133
+            z: stackItem.PathView.z; rotation: photoWrapper.randomAngle
+
+            BorderImage {
+                anchors {
+                    fill: border.visible ? border : placeHolder
+                    leftMargin: -6; topMargin: -6; rightMargin: -8; bottomMargin: -8
+                }
+                source: 'images/box-shadow.png'; smooth: true
+                border.left: 10; border.top: 10; border.right: 10; border.bottom: 10
+            }
+            Rectangle {
+                id: placeHolder
+
+                property int w: getWidth(content)
+                property int h: getHeight(content)
+                property double s: calculateScale(w, h, photoWrapper.width)
+
+                color: '#898989'; anchors.centerIn: parent; smooth: true; border.color: 'white'; border.width: 3
+                width:  w * s; height: h * s; visible: originalImage.status != Image.Ready
+            }
+            Rectangle {
+                id: border; color: 'white'; anchors.centerIn: parent; smooth: true
+                width: originalImage.paintedWidth + 6; height: originalImage.paintedHeight + 6
+                visible: !placeHolder.visible
+            }
+            Image {
+                id: originalImage; smooth: true; source: "http://" + getImagePath(content)
+                fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height
+            }
+            Image {
+                id: hqImage; smooth: true; source: ""; visible: false
+                fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height
+            }
+            Binding {
+                target: mainWindow; property: "downloadProgress"; value: hqImage.progress
+                when: listItem.ListView.isCurrentItem
+            }
+            Binding {
+                target: mainWindow; property: "imageLoading"
+                value: (hqImage.status == Image.Loading) ? 1 : 0; when: listItem.ListView.isCurrentItem
+            }
+            MouseArea {
+                width: originalImage.paintedWidth; height: originalImage.paintedHeight; anchors.centerIn: originalImage
+                onClicked: {
+                    if (albumWrapper.state == 'inGrid') {
+                        gridItem.GridView.view.currentIndex = index;
+                        albumWrapper.state = 'fullscreen'
+                    } else {
+                        gridItem.GridView.view.currentIndex = index;
+                        albumWrapper.state = 'inGrid'
+                    }
+                }
+            }
+
+            states: [
+            State {
+                name: 'stacked'; when: albumWrapper.state == ''
+                ParentChange { target: photoWrapper; parent: stackItem; x: 10; y: 10 }
+                PropertyChanges { target: photoWrapper; opacity: stackItem.PathView.onPath ? 1.0 : 0.0 }
+            },
+            State {
+                name: 'inGrid'; when: albumWrapper.state == 'inGrid'
+                ParentChange { target: photoWrapper; parent: gridItem; x: 10; y: 10; rotation: photoWrapper.randomAngle2 }
+            },
+            State {
+                name: 'fullscreen'; when: albumWrapper.state == 'fullscreen'
+                ParentChange {
+                    target: photoWrapper; parent: listItem; x: 0; y: 0; rotation: 0
+                    width: mainWindow.width; height: mainWindow.height
+                }
+                PropertyChanges { target: border; opacity: 0 }
+                PropertyChanges { target: hqImage; source: listItem.ListView.isCurrentItem ? hq : ""; visible: true }
+            }
+            ]
+
+            transitions: [
+            Transition {
+                from: 'stacked'; to: 'inGrid'
+                SequentialAnimation {
+                    PauseAnimation { duration: 10 * index }
+                    ParentAnimation {
+                        target: photoWrapper; via: foreground
+                        NumberAnimation {
+                            target: photoWrapper; properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart'
+                        }
+                    }
+                }
+            },
+            Transition {
+                from: 'inGrid'; to: 'stacked'
+                ParentAnimation {
+                    target: photoWrapper; via: foreground
+                    NumberAnimation { properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart' }
+                }
+            },
+            Transition {
+                from: 'inGrid'; to: 'fullscreen'
+                SequentialAnimation {
+                    PauseAnimation { duration: gridItem.GridView.isCurrentItem ? 0 : 600 }
+                    ParentAnimation {
+                        target: photoWrapper; via: foreground
+                        NumberAnimation {
+                            targets: [ photoWrapper, border ]
+                            properties: 'x,y,width,height,opacity,rotation'
+                            duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart'
+                        }
+                    }
+                }
+            },
+            Transition {
+                from: 'fullscreen'; to: 'inGrid'
+                ParentAnimation {
+                    target: photoWrapper; via: foreground
+                    NumberAnimation {
+                        targets: [ photoWrapper, border ]
+                        properties: 'x,y,width,height,rotation,opacity'
+                        duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart'
+                    }
+                }
+            }
+            ]
+        }
+    }
+}
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/ProgressBar.qml b/demos/declarative/photoviewer/PhotoViewerCore/ProgressBar.qml
new file mode 100644
index 0000000..bd6b30f
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/ProgressBar.qml
@@ -0,0 +1,16 @@
+import Qt 4.6
+
+Item {
+    id: container
+
+    property real progress: 0
+
+    Behavior on opacity { NumberAnimation { duration: 600 } }
+
+    Rectangle { anchors.fill: parent; color: "black"; opacity: 0.5 }
+
+    Rectangle {
+        id: fill; color: "white"; height: container.height
+        width: container.width * container.progress
+    }
+}
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/RssModel.qml b/demos/declarative/photoviewer/PhotoViewerCore/RssModel.qml
new file mode 100644
index 0000000..ddbc02b
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/RssModel.qml
@@ -0,0 +1,13 @@
+import Qt 4.6
+
+XmlListModel {
+    property string tags : ""
+
+    source: "http://api.flickr.com/services/feeds/photos_public.gne?"+(tags ? "tags="+tags+"&" : "")
+    query: "/feed/entry"
+    namespaceDeclarations: "declare default element namespace 'http://www.w3.org/2005/Atom';"
+
+    XmlRole { name: "title"; query: "title/string()" }
+    XmlRole { name: "content"; query: "content/string()" }
+    XmlRole { name: "hq"; query: "link[@rel='enclosure']/@href/string()" }
+}
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/Tag.qml b/demos/declarative/photoviewer/PhotoViewerCore/Tag.qml
new file mode 100644
index 0000000..ee11d05
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/Tag.qml
@@ -0,0 +1,22 @@
+import Qt 4.6
+
+Item {
+    id: container
+
+    property alias label: labelText.text
+    signal clicked
+
+    width: labelText.width + 70 ; height: labelText.height + 18
+
+    BorderImage {
+        anchors { fill: container; leftMargin: -6; topMargin: -6; rightMargin: -8; bottomMargin: -8 }
+        source: 'images/box-shadow.png'; smooth: true
+        border.left: 10; border.top: 10; border.right: 10; border.bottom: 10
+    }
+    Image { anchors.fill: parent; source: "images/cardboard.png"; smooth: true }
+    Text { id: labelText; font.pixelSize: 15; anchors.centerIn: parent; smooth: true }
+    MouseArea {
+        anchors { fill: parent; leftMargin: -20; topMargin: -20; rightMargin: -20; bottomMargin: -20 }
+        onClicked: container.clicked()
+    }
+}
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/images/background.png b/demos/declarative/photoviewer/PhotoViewerCore/images/background.png
new file mode 100644
index 0000000..81d9a45
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/images/background.png
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/images/box-shadow.png b/demos/declarative/photoviewer/PhotoViewerCore/images/box-shadow.png
new file mode 100644
index 0000000..431af85
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/images/box-shadow.png
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/images/cardboard.png b/demos/declarative/photoviewer/PhotoViewerCore/images/cardboard.png
new file mode 100644
index 0000000..1847ab5
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/images/cardboard.png
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/qmldir b/demos/declarative/photoviewer/PhotoViewerCore/qmldir
new file mode 100644
index 0000000..1adce10
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/qmldir
@@ -0,0 +1,5 @@
+AlbumDelegate AlbumDelegate.qml
+PhotoDelegate PhotoDelegate.qml
+ProgressBar ProgressBar.qml
+RssModel RssModel.qml
+Tag Tag.qml
diff --git a/demos/declarative/photoviewer/PhotoViewerCore/script/script.js b/demos/declarative/photoviewer/PhotoViewerCore/script/script.js
new file mode 100644
index 0000000..ae24ea1
--- /dev/null
+++ b/demos/declarative/photoviewer/PhotoViewerCore/script/script.js
@@ -0,0 +1,25 @@
+function getWidth(string) {
+    return (string.match(/width=\"([0-9]+)\"/))[1]
+}
+
+function getHeight(string) {
+    return (string.match(/height=\"([0-9]+)\"/))[1]
+}
+
+function getImagePath(string) {
+    var pattern = /src=\"http:\/\/(\S+)\"/
+    return (string.match(pattern))[1]
+}
+
+function calculateScale(width, height, cellSize) {
+    var widthScale = (cellSize * 1.0) / width
+    var heightScale = (cellSize * 1.0) / height
+    var scale = 0
+
+    if (widthScale <= heightScale) {
+        scale = widthScale;
+    } else if (heightScale < widthScale) {
+        scale = heightScale;
+    }
+    return scale;
+}
diff --git a/demos/declarative/photoviewer/photoviewer.qml b/demos/declarative/photoviewer/photoviewer.qml
new file mode 100644
index 0000000..2b0b6a9
--- /dev/null
+++ b/demos/declarative/photoviewer/photoviewer.qml
@@ -0,0 +1,45 @@
+import Qt 4.6
+import PhotoViewerCore 1.0
+
+Image {
+    id: mainWindow
+
+    property real downloadProgress: 0
+    property bool imageLoading: false
+
+    width: 800; height: 480; source: "PhotoViewerCore/images/background.png"; fillMode: Image.Tile
+
+    Script { source: "PhotoViewerCore/script/script.js" }
+
+    ListModel {
+        id: photosModel
+        ListElement { tag: "Flowers" }
+        ListElement { tag: "Savanna" }
+        ListElement { tag: "Central Park" }
+    }
+
+    VisualDataModel {
+        id: albumVisualModel; delegate: AlbumDelegate { }
+        model: photosModel
+    }
+
+    GridView { width: parent.width; height: parent.height; cellWidth: 210; cellHeight: 220; model: albumVisualModel.parts.album }
+
+    Image {
+        id: albumsShade; source: "PhotoViewerCore/images/background.png"; fillMode: Image.Tile
+        width: parent.width; height: parent.height; opacity: 0
+    }
+
+    ListView { anchors.fill: parent; model: albumVisualModel.parts.browser; interactive: false }
+
+    Tag { id: backTag; label: "Back"; rotation: 3; x: parent.width - backTag.width - 6; y: -backTag.height - 8 }
+
+    Rectangle { id: photosShade; color: 'black'; width: parent.width; height: parent.height; opacity: 0 }
+    ListView { anchors.fill: parent; model: albumVisualModel.parts.fullscreen; interactive: false }
+    Item { id: foreground; anchors.fill: parent }
+
+    ProgressBar {
+        progress: mainWindow.downloadProgress; width: parent.width; height: 4
+        anchors.bottom: parent.bottom; opacity: mainWindow.imageLoading
+    }
+}