"snow" demo

4 files changed, 170 insertions, 0 deletions

diff --git a/examples/declarative/snow/ImageBatch.qml b/examples/declarative/snow/ImageBatch.qml
new file mode 100644
index 0000000..f7ae8b1
--- /dev/null
+++ b/examples/declarative/snow/ImageBatch.qml
@@ -0,0 +1,79 @@
+GridView {
+    id: MyGrid
+    property int offset: 0
+    property var ref
+    property bool isSelected: ref.selectedItemColumn >= offset && ref.selectedItemColumn < offset + 5
+
+    currentIndex: (ref.selectedItemColumn  - offset) + ref.selectedItemRow * 5
+
+    property int imageWidth: ref.imageWidth
+    property int imageHeight: ref.imageHeight
+
+    width: 5 * imageWidth
+    height: 4 * imageHeight
+    cellWidth: imageWidth
+    cellHeight: imageHeight
+
+    states: State {
+        name: "selected"; when: MyGrid.isSelected
+        SetProperties { target: MyGrid; z: 150 }
+    }
+    transitions: Transition { 
+        SequentialAnimation {
+            PauseAnimation { duration: 150 }
+            SetPropertyAction { properties: "z" }
+        }
+    }
+    model: XmlListModel {
+        property string tags : ""
+        source: "http://api.flickr.com/services/feeds/photos_public.gne?"+(tags ? "tags="+tags+"&" : "")+"format=rss2"
+        query: "/rss/channel/item"
+        namespaceDeclarations: "declare namespace media=\"http://search.yahoo.com/mrss/\";"
+
+        XmlRole { name: "title"; query: "title/string()" }
+        XmlRole { name: "imagePath"; query: "media:thumbnail/@url/string()" }
+        XmlRole { name: "url"; query: "media:content/@url/string()" }
+        XmlRole { name: "description"; query: "description/string()" }
+        XmlRole { name: "tags"; query: "media:category/string()" }
+        XmlRole { name: "photoWidth"; query: "media:content/@width/string()" }
+        XmlRole { name: "photoHeight"; query: "media:content/@height/string()" }
+        XmlRole { name: "photoType"; query: "media:content/@type/string()" }
+        XmlRole { name: "photoAuthor"; query: "author/string()" }
+        XmlRole { name: "photoDate"; query: "pubDate/string()" }
+    }
+
+    Item { 
+        id: Root
+        property bool isSelected: GridView.isCurrentItem && MyGrid.isSelected
+        transformOrigin: "Center"
+        width: MyGrid.imageWidth; height: MyGrid.imageHeight;
+
+        Image { id: Image; source: url; preserveAspect: true; smooth: true; anchors.fill: parent;
+                opacity: (status == 0)?1:0; opacity: Behavior { NumberAnimation { properties: "opacity" } } } 
+        Loading { anchors.centeredIn: parent; visible: Image.status }
+
+        states: State {
+            name: "selected"
+            when: Root.isSelected
+            SetProperties { target: Root; scale: 3; z: 100 }
+        }
+        transitions: [
+            Transition {
+                toState: "selected"
+                SequentialAnimation {
+                    PauseAnimation { duration: 150 }
+                    SetPropertyAction { properties: "z" }
+                    NumberAnimation { properties: "scale"; duration: 150; }
+                }
+            },
+            Transition {
+                fromState: "selected"
+                SequentialAnimation {
+                    NumberAnimation { properties: "scale"; duration: 150 }
+                    SetPropertyAction { properties: "z" }
+                }
+            }
+        ]
+    }
+}
+
diff --git a/examples/declarative/snow/Loading.qml b/examples/declarative/snow/Loading.qml
new file mode 100644
index 0000000..0a8a51a
--- /dev/null
+++ b/examples/declarative/snow/Loading.qml
@@ -0,0 +1,6 @@
+Image {
+    id: Loading; source: "pics/loading.png"; transformOrigin: "Center"
+    rotation: NumberAnimation {
+        id: "RotationAnimation"; from: 0; to: 360; running: Loading.visible == true; repeat: true; duration: 900
+    }
+}
diff --git a/examples/declarative/snow/create.js b/examples/declarative/snow/create.js
new file mode 100644
index 0000000..51f870d
--- /dev/null
+++ b/examples/declarative/snow/create.js
@@ -0,0 +1,13 @@
+var myComponent = null;
+
+function createNewBlock() {
+    if (myComponent == null) 
+        myComponent = createComponent("ImageBatch.qml");
+
+    var obj = myComponent.createObject();
+    obj.parent = MyLayout;
+    obj.offset = maximumColumn + 1;
+    obj.ref = ImagePanel;
+    maximumColumn += 5;
+}
+
diff --git a/examples/declarative/snow/snow.qml b/examples/declarative/snow/snow.qml
new file mode 100644
index 0000000..b73c2d2
--- /dev/null
+++ b/examples/declarative/snow/snow.qml
@@ -0,0 +1,72 @@
+Rect {
+    id: ImagePanel
+    width: 1024
+    height: 768
+    color: "black"
+
+    property int maximumColumn: 4
+    property int selectedItemRow: 0
+    property int selectedItemColumn: 0
+
+    Script { source: "create.js" }
+
+    onSelectedItemColumnChanged: if (selectedItemColumn == maximumColumn) createNewBlock();
+
+    property int imageWidth: 200
+    property int imageHeight: 200
+
+    property int selectedX: selectedItemColumn * imageWidth
+    property int selectedY: selectedItemRow * imageHeight
+
+    Item {
+        anchors.centeredIn: parent
+        HorizontalLayout {
+            id: MyLayout
+            property real targetX: -(selectedX + imageWidth / 2)
+
+            property real targetDeform: 0
+            property bool slowDeform: true
+
+            property real deform
+            deform: Follow { source: MyLayout.targetDeform; velocity: MyLayout.slowDeform?0.1:2 }
+                
+            onDeformChanged: if(deform == targetDeform) { slowDeform = true; targetDeform = 0; }
+
+            ImageBatch { offset: 0; ref: ImagePanel }
+
+            x: Follow { source: MyLayout.targetX; velocity: 1000 }
+            y: Follow { source: -(selectedY + imageHeight / 2); velocity: 500 }
+        }
+
+        transform: Rotation3D { 
+            axis { startX: 0; startY: 0; endX: 0; endY: 1 }
+            angle: MyLayout.deform * 100
+        }
+            
+    }
+
+    Script {
+        function leftPressed() {
+            if (selectedItemColumn <= 0) return;
+            selectedItemColumn -= 1;
+            MyLayout.slowDeform = false;
+            MyLayout.targetDeform = Math.max(Math.min(MyLayout.deform - 0.1, -0.1), -0.4);
+        }
+        function rightPressed() {
+            selectedItemColumn += 1;
+            MyLayout.slowDeform = false;
+            MyLayout.targetDeform = Math.min(Math.max(MyLayout.deform + 0.1, 0.1), 0.4);
+        }
+    }
+    KeyActions {
+        focus: true
+        leftArrow: "leftPressed()"
+        rightArrow: "rightPressed()"
+        upArrow: "if (selectedItemRow > 0) selectedItemRow = selectedItemRow - 1"
+        downArrow: "if (selectedItemRow < 3) selectedItemRow = selectedItemRow + 1"
+    }
+
+    Text {
+        text: MyLayout.deform
+    }
+}