FileBrowser.qml Example File

multimedia/video/qmlvideofx/qml/qmlvideofx/FileBrowser.qml
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import QtQuick 2.1 import Qt.labs.folderlistmodel 2.1 Rectangle { id: fileBrowser color: "transparent" z: 4 property string folder property bool shown: loader.sourceComponent signal fileSelected(string file) function selectFile(file) { if (file !== "") { folder = loader.item.folders.folder fileBrowser.fileSelected(file) } loader.sourceComponent = undefined } 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: "black" property bool showFocusHighlight: false property variant folders: folders1 property variant view: view1 property alias folder: folders1.folder property color textColor: "white" FolderListModel { id: folders1 folder: folder } FolderListModel { id: folders2 folder: folder } SystemPalette { id: palette } Component { id: folderDelegate Rectangle { id: wrapper function launch() { var path = "file://"; if (filePath.length > 2 && filePath[1] === ':') // Windows drive logic, see QUrl::fromLocalFile() path += '/'; path += filePath; if (folders.isFolder(index)) down(path); else fileBrowser.selectFile(path) } width: root.width height: itemHeight 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: itemHeight; height: itemHeight Image { source: "qrc:/images/icon_Folder.png" fillMode: Image.PreserveAspectFit anchors.fill: parent anchors.margins: scaledMargin visible: folders.isFolder(index) } } Text { id: nameText anchors.fill: parent; verticalAlignment: Text.AlignVCenter text: fileName anchors.leftMargin: itemHeight + scaledMargin font.pixelSize: fontSize 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 } } ] } } 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) } Button { id: cancelButton width: itemWidth height: itemHeight color: "#353535" anchors { bottom: parent.bottom; right: parent.right; margins: 5 * scaledMargin } text: "Cancel" horizontalAlign: Text.AlignHCenter onClicked: fileBrowser.selectFile("") } 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(); } } // titlebar Rectangle { color: "black" width: parent.width; height: itemHeight id: titleBar Rectangle { id: upButton width: titleBar.height height: titleBar.height color: "transparent" anchors.left: parent.left anchors.verticalCenter: parent.verticalCenter anchors.margins: scaledMargin Image { anchors.fill: parent; anchors.margins: scaledMargin; source: "qrc:/images/icon_BackArrow.png" } MouseArea { id: upRegion; anchors.fill: parent; onClicked: up() } states: [ State { name: "pressed" when: upRegion.pressed PropertyChanges { target: upButton; color: palette.highlight } } ] } Text { anchors.left: upButton.right; anchors.right: parent.right; height: parent.height anchors.leftMargin: 10; anchors.rightMargin: 4 text: folders.folder color: "white" elide: Text.ElideLeft; horizontalAlignment: Text.AlignLeft; verticalAlignment: Text.AlignVCenter font.pixelSize: fontSize } } Rectangle { color: "#353535" width: parent.width height: 1 anchors.top: titleBar.bottom } 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 (path.toString().length === 0 || path.toString() === 'file:') return; 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; } } } } }

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