--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation 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 1.1
+import "." 1.1
+import "TabGroup.js" as Engine
+
+Item {
+ id: root
+ property Item currentTab
+
+ property list<Item> privateContents
+ // Qt defect: cannot have list as default property
+ default property alias privateContentsDefault: root.privateContents
+ property bool platformAnimated: true
+
+ onChildrenChanged: {
+ // [0] is containerHost
+ if (children.length > 1)
+ Engine.addTab(children[1])
+ }
+
+ onPrivateContentsChanged: {
+ Engine.ensureContainers()
+ }
+
+ Component.onCompleted: {
+ // Set first tabs as current if currentTab is not set by application
+ if (currentTab == null && containerHost.children[0] && containerHost.children[0].children[0])
+ currentTab = containerHost.children[0].children[0]
+ priv.complete = true;
+ }
+
+ Item {
+ id: containerHost
+ objectName: "containerHost"
+ anchors.fill: parent
+ }
+
+ Component {
+ id: tabContainerComponent
+ Item {
+ id: tabContainerItem
+
+ onChildrenChanged: {
+ if (children.length == 0)
+ Engine.removeContainer(tabContainerItem)
+
+ else if (children.length == 1) {
+ children[0].width = width
+ children[0].height = height
+ // tab content created. set the first tab as current (if not set before, and if
+ // child is added after TabGroup has completed)
+ if (priv.complete && root.currentTab == null)
+ root.currentTab = children[0]
+ }
+ }
+
+ onWidthChanged: {
+ if (children.length > 0)
+ children[0].width = width
+ }
+
+ onHeightChanged: {
+ if (children.length > 0)
+ children[0].height = height
+ }
+
+ Component.onDestruction: {
+ if (typeof(root) != "undefined" && !root.currentTab) {
+ // selected one deleted. try to activate the neighbour
+ var removedIndex = -1
+ for (var i = 0; i < containerHost.children.length; i++) {
+ if (containerHost.children[i] == tabContainerItem) {
+ removedIndex = i
+ break
+ }
+ }
+ var newIndex = -1
+ if (removedIndex != -1) {
+ if (removedIndex != containerHost.children.length - 1)
+ newIndex = removedIndex + 1
+ else if (removedIndex != 0)
+ newIndex = removedIndex - 1
+ }
+
+ if (newIndex != -1)
+ root.currentTab = containerHost.children[newIndex].children[0]
+ else
+ root.currentTab = null
+ }
+ }
+
+ function incomingDone() {
+ state = ""
+ if (priv.incomingPage) {
+ priv.incomingPage.status = PageStatus.Active
+ priv.incomingPage = null
+ }
+ }
+
+ function outgoingDone() {
+ if (priv.outgoingPage) {
+ priv.outgoingPage.status = PageStatus.Inactive
+ priv.outgoingPage.visible = false
+ priv.outgoingPage = null
+ }
+ state = "Hidden"
+ }
+
+ width: parent ? parent.width : 0
+ height: parent ? parent.height : 0
+ state: "Hidden"
+
+ states: [
+ State { name: ""; PropertyChanges { target: tabContainerItem; opacity: 1.0 } },
+ State { name: "Incoming"; PropertyChanges { target: tabContainerItem; opacity: 1.0 } },
+ State { name: "Outgoing"; PropertyChanges { target: tabContainerItem; opacity: 0.0 } },
+ State { name: "Hidden"; PropertyChanges { target: tabContainerItem; opacity: 0.0 } }
+ ]
+
+ transitions: [
+ Transition {
+ to: "Incoming"
+ SequentialAnimation {
+ PropertyAnimation { properties: "opacity"; easing.type: Easing.Linear; duration: 250 }
+ ScriptAction { script: incomingDone() }
+ }
+ },
+ Transition {
+ to: "Outgoing"
+ SequentialAnimation {
+ PropertyAnimation { properties: "opacity"; easing.type: Easing.Linear; duration: 250 }
+ ScriptAction { script: outgoingDone() }
+ }
+ }
+ ]
+ }
+ }
+
+ QtObject {
+ id: priv
+ property bool reparenting: false
+ property bool complete: false
+ property Item currentTabContainer: root.currentTab ? root.currentTab.parent : null
+ property Item incomingPage
+ property Item outgoingPage
+ property bool animate
+
+ function disableAnimations() {
+ animate = false
+
+ // outgoingPage might have been found before the incomingPage changes the orientation
+ if (outgoingPage)
+ outgoingPage.parent.outgoingDone()
+ }
+
+ onCurrentTabContainerChanged: {
+ animate = platformAnimated // updated on orientation change
+ screen.currentOrientationChanged.connect(priv.disableAnimations)
+ for (var i = 0; i < containerHost.children.length; i++) {
+ var tabContainer = containerHost.children[i]
+ var isNewTab = (tabContainer == currentTabContainer)
+ if (isNewTab) {
+ if (tabContainer.state != "") {
+ if (tabContainer.children[0].status != undefined) {
+ incomingPage = tabContainer.children[0]
+ incomingPage.status = PageStatus.Activating // triggers the orientation change
+ incomingPage.visible = true
+ if (incomingPage == outgoingPage)
+ outgoingPage = null
+ }
+ if (animate)
+ tabContainer.state = "Incoming"
+ else
+ tabContainer.incomingDone()
+ }
+ } else {
+ if (tabContainer.state != "Hidden") {
+ if (tabContainer.children.length > 0 && tabContainer.children[0].status != undefined) {
+ outgoingPage = tabContainer.children[0]
+ outgoingPage.status = PageStatus.Deactivating
+ if (incomingPage == outgoingPage)
+ incomingPage = null
+ }
+ if (animate)
+ tabContainer.state = "Outgoing"
+ else
+ tabContainer.outgoingDone()
+ }
+ }
+ }
+ screen.currentOrientationChanged.disconnect(priv.disableAnimations)
+ }
+ }
+}