Files
qtmultimedia/examples/video/qmlvideofx/qml/qmlvideofx/FileBrowser.qml
Mithra Pattison 9a3538fc50 Update example QML to follow API change
QML for ListView API in qmlvideo and qmlvideofx was modified.
Usage of this API in FileBrowser file required changes to
follow the new API.

Change-Id: I3da25ed5bc696a72cdefc6c72d2ab95c319b758c
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
2012-07-16 07:18:21 +02:00

385 lines
14 KiB
QML

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
import Qt.labs.folderlistmodel 2.0
Rectangle {
id: fileBrowser
color: "transparent"
property string folder
property bool shown: loader.sourceComponent
signal fileSelected(string file)
function selectFile(file) {
if (file != "")
folder = loader.item.folders.folder
loader.sourceComponent = undefined
fileBrowser.fileSelected(file)
}
Loader {
id: loader
}
function show() {
loader.sourceComponent = fileBrowserComponent
loader.item.parent = fileBrowser
loader.item.anchors.fill = fileBrowser
loader.item.folder = fileBrowser.folder
}
Component {
id: fileBrowserComponent
Rectangle {
id: root
color: "white"
property bool showFocusHighlight: false
property variant folders: folders1
property variant view: view1
property alias folder: folders1.folder
property color textColor: "black"
FolderListModel {
id: folders1
folder: folder
}
FolderListModel {
id: folders2
folder: folder
}
SystemPalette {
id: palette
}
Component {
id: folderDelegate
Rectangle {
id: wrapper
function launch() {
if (folders.isFolder(index))
down(filePath);
else
fileBrowser.selectFile(filePath)
}
width: root.width
height: 52
color: "transparent"
Rectangle {
id: highlight; visible: false
anchors.fill: parent
color: palette.highlight
gradient: Gradient {
GradientStop { id: t1; position: 0.0; color: palette.highlight }
GradientStop { id: t2; position: 1.0; color: Qt.lighter(palette.highlight) }
}
}
Item {
width: 48; height: 48
Image {
source: "qrc:/images/folder.png"
anchors.centerIn: parent
visible: folders.isFolder(index)
}
}
Text {
id: nameText
anchors.fill: parent; verticalAlignment: Text.AlignVCenter
text: fileName
anchors.leftMargin: 54
font.pixelSize: 32
color: (wrapper.ListView.isCurrentItem && root.showFocusHighlight) ? palette.highlightedText : textColor
elide: Text.ElideRight
}
MouseArea {
id: mouseRegion
anchors.fill: parent
onPressed: {
root.showFocusHighlight = false;
wrapper.ListView.view.currentIndex = index;
}
onClicked: { if (folders == wrapper.ListView.view.model) launch() }
}
states: [
State {
name: "pressed"
when: mouseRegion.pressed
PropertyChanges { target: highlight; visible: true }
PropertyChanges { target: nameText; color: palette.highlightedText }
}
]
}
}
Rectangle {
id: cancelButton
width: 100
height: titleBar.height - 7
color: "black"
anchors { bottom: parent.bottom; horizontalCenter: parent.horizontalCenter }
Text {
anchors { fill: parent; margins: 4 }
text: "Cancel"
color: "white"
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignVCenter
font.pixelSize: 20
}
MouseArea {
anchors.fill: parent
onClicked: fileBrowser.selectFile("")
}
}
ListView {
id: view1
anchors.top: titleBar.bottom
anchors.bottom: cancelButton.top
x: 0
width: parent.width
model: folders1
delegate: folderDelegate
highlight: Rectangle {
color: palette.highlight
visible: root.showFocusHighlight && view1.count != 0
gradient: Gradient {
GradientStop { id: t1; position: 0.0; color: palette.highlight }
GradientStop { id: t2; position: 1.0; color: Qt.lighter(palette.highlight) }
}
width: view1.currentItem == null ? 0 : view1.currentItem.width
}
highlightMoveVelocity: 1000
pressDelay: 100
focus: true
state: "current"
states: [
State {
name: "current"
PropertyChanges { target: view1; x: 0 }
},
State {
name: "exitLeft"
PropertyChanges { target: view1; x: -root.width }
},
State {
name: "exitRight"
PropertyChanges { target: view1; x: root.width }
}
]
transitions: [
Transition {
to: "current"
SequentialAnimation {
NumberAnimation { properties: "x"; duration: 250 }
}
},
Transition {
NumberAnimation { properties: "x"; duration: 250 }
NumberAnimation { properties: "x"; duration: 250 }
}
]
Keys.onPressed: root.keyPressed(event.key)
}
ListView {
id: view2
anchors.top: titleBar.bottom
anchors.bottom: parent.bottom
x: parent.width
width: parent.width
model: folders2
delegate: folderDelegate
highlight: Rectangle {
color: palette.highlight
visible: root.showFocusHighlight && view2.count != 0
gradient: Gradient {
GradientStop { id: t1; position: 0.0; color: palette.highlight }
GradientStop { id: t2; position: 1.0; color: Qt.lighter(palette.highlight) }
}
width: view1.currentItem == null ? 0 : view1.currentItem.width
}
highlightMoveVelocity: 1000
pressDelay: 100
states: [
State {
name: "current"
PropertyChanges { target: view2; x: 0 }
},
State {
name: "exitLeft"
PropertyChanges { target: view2; x: -root.width }
},
State {
name: "exitRight"
PropertyChanges { target: view2; x: root.width }
}
]
transitions: [
Transition {
to: "current"
SequentialAnimation {
NumberAnimation { properties: "x"; duration: 250 }
}
},
Transition {
NumberAnimation { properties: "x"; duration: 250 }
}
]
Keys.onPressed: root.keyPressed(event.key)
}
Keys.onPressed: {
root.keyPressed(event.key);
if (event.key == Qt.Key_Return || event.key == Qt.Key_Select || event.key == Qt.Key_Right) {
view.currentItem.launch();
event.accepted = true;
} else if (event.key == Qt.Key_Left) {
up();
}
}
BorderImage {
source: "qrc:/images/titlebar.sci";
width: parent.width;
height: 52
y: -7
id: titleBar
Rectangle {
id: upButton
width: 48
height: titleBar.height - 7
color: "transparent"
Image { anchors.centerIn: parent; source: "qrc:/images/up.png" }
MouseArea { id: upRegion; anchors.centerIn: parent
width: 56
height: 56
onClicked: if (folders.parentFolder != "") up()
}
states: [
State {
name: "pressed"
when: upRegion.pressed
PropertyChanges { target: upButton; color: palette.highlight }
}
]
}
Rectangle {
color: "gray"
x: 48
width: 1
height: 44
}
Text {
anchors.left: upButton.right; anchors.right: parent.right; height: parent.height
anchors.leftMargin: 4; anchors.rightMargin: 4
text: folders.folder
color: "white"
elide: Text.ElideLeft; horizontalAlignment: Text.AlignRight; verticalAlignment: Text.AlignVCenter
font.pixelSize: 32
}
}
function down(path) {
if (folders == folders1) {
view = view2
folders = folders2;
view1.state = "exitLeft";
} else {
view = view1
folders = folders1;
view2.state = "exitLeft";
}
view.x = root.width;
view.state = "current";
view.focus = true;
folders.folder = path;
}
function up() {
var path = folders.parentFolder;
if (folders == folders1) {
view = view2
folders = folders2;
view1.state = "exitRight";
} else {
view = view1
folders = folders1;
view2.state = "exitRight";
}
view.x = -root.width;
view.state = "current";
view.focus = true;
folders.folder = path;
}
function keyPressed(key) {
switch (key) {
case Qt.Key_Up:
case Qt.Key_Down:
case Qt.Key_Left:
case Qt.Key_Right:
root.showFocusHighlight = true;
break;
default:
// do nothing
break;
}
}
}
}
}