2011-10-29 20:06:34 +02:00
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Components project.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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2011-11-08 08:31:53 +01:00
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/**Documentanted API
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Inherits:
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Item
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Imports:
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QtQuick 1.1
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.
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TabGroup.js
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Description:
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TODO
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Properties:
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Item currentTab:
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Returns the current tab.
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**/
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2011-10-29 20:06:34 +02:00
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import QtQuick 1.1
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import "TabGroup.js" as Engine
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import "." 0.1
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Item {
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id: root
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property Item currentTab
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property list<Item> privateContents
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// Qt defect: cannot have list as default property
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default property alias privateContentsDefault: root.privateContents
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onChildrenChanged: {
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// [0] is containerHost
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if (children.length > 1)
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Engine.addTab(children[1])
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}
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onPrivateContentsChanged: {
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Engine.ensureContainers()
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}
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Component.onCompleted: {
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// Set first tabs as current if currentTab is not set by application
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if (currentTab == null && containerHost.children[0] && containerHost.children[0].children[0])
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currentTab = containerHost.children[0].children[0]
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priv.complete = true;
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}
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Item {
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id: containerHost
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objectName: "containerHost"
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anchors.fill: parent
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}
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Component {
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id: tabContainerComponent
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Item {
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id: tabContainerItem
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onChildrenChanged: {
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if (children.length == 0)
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Engine.removeContainer(tabContainerItem)
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else if (children.length == 1) {
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children[0].width = width
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children[0].height = height
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// tab content created. set the first tab as current (if not set before, and if
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// child is added after TabGroup has completed)
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if (priv.complete && root.currentTab == null)
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root.currentTab = children[0]
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}
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}
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onWidthChanged: {
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if (children.length > 0)
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children[0].width = width
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}
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onHeightChanged: {
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if (children.length > 0)
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children[0].height = height
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}
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Component.onDestruction: {
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if (typeof(root) != "undefined" && !root.currentTab) {
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// selected one deleted. try to activate the neighbour
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var removedIndex = -1
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for (var i = 0; i < containerHost.children.length; i++) {
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if (containerHost.children[i] == tabContainerItem) {
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removedIndex = i
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break
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}
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}
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var newIndex = -1
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if (removedIndex != -1) {
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if (removedIndex != containerHost.children.length - 1)
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newIndex = removedIndex + 1
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else if (removedIndex != 0)
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newIndex = removedIndex - 1
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}
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if (newIndex != -1)
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root.currentTab = containerHost.children[newIndex].children[0]
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else
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root.currentTab = null
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}
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}
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function incomingDone() {
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state = ""
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if (priv.incomingPage) {
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priv.incomingPage.status = PageStatus.Active
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priv.incomingPage = null
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}
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}
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function outgoingDone() {
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if (priv.outgoingPage) {
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priv.outgoingPage.status = PageStatus.Inactive
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priv.outgoingPage.visible = false
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priv.outgoingPage = null
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}
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state = "Hidden"
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}
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width: parent ? parent.width : 0
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height: parent ? parent.height : 0
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state: "Hidden"
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states: [
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State { name: ""; PropertyChanges { target: tabContainerItem; opacity: 1.0; x: 0 } },
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State { name: "Incoming"; PropertyChanges { target: tabContainerItem; opacity: 1.0; x: 0 } },
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State { name: "Outgoing"; PropertyChanges { target: tabContainerItem; opacity: 0.0; x: -root.width } },
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State { name: "Hidden"; PropertyChanges { target: tabContainerItem; opacity: 0.0; x: root.width } }
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]
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transitions: [
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Transition {
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to: "Incoming"
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SequentialAnimation {
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ScriptAction { script: root.clip = true }
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PropertyAnimation { properties: "opacity,x"; easing.type: Easing.InQuad; duration: 250 }
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ScriptAction { script: {incomingDone(); root.clip = false} }
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}
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},
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Transition {
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to: "Outgoing"
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SequentialAnimation {
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PropertyAnimation { properties: "opacity,x"; easing.type: Easing.InQuad; duration: 250 }
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ScriptAction { script: outgoingDone() }
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}
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}
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]
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}
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}
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QtObject {
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id: priv
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property bool reparenting: false
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property bool complete: false
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property Item currentTabContainer: root.currentTab ? root.currentTab.parent : null
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property Item incomingPage
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property Item outgoingPage
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property bool animate: true
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onCurrentTabContainerChanged: {
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for (var i = 0; i < containerHost.children.length; i++) {
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var tabContainer = containerHost.children[i]
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var isNewTab = (tabContainer == currentTabContainer)
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if (isNewTab) {
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if (tabContainer.state != "") {
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if (tabContainer.children[0].status != undefined) {
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incomingPage = tabContainer.children[0]
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incomingPage.status = PageStatus.Activating // triggers the orientation change
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incomingPage.visible = true
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if (incomingPage == outgoingPage)
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outgoingPage = null
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}
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if (animate)
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tabContainer.state = "Incoming"
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else
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tabContainer.incomingDone()
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}
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} else {
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if (tabContainer.state != "Hidden") {
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if (tabContainer.children.length > 0 && tabContainer.children[0].status != undefined) {
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outgoingPage = tabContainer.children[0]
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outgoingPage.status = PageStatus.Deactivating
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if (incomingPage == outgoingPage)
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incomingPage = null
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}
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if (animate)
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tabContainer.state = "Outgoing"
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else
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tabContainer.outgoingDone()
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}
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}
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}
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}
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}
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}
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