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716 lines
24 KiB
QML
716 lines
24 KiB
QML
//
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// FileDialog.qml
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//
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// Created by Bradley Austin Davis on 14 Jan 2016
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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import QtQuick 2.5
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import QtQuick.Controls 1.4
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import Qt.labs.folderlistmodel 2.1
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import Qt.labs.settings 1.0
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import QtQuick.Controls.Styles 1.4
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import QtQuick.Dialogs 1.2 as OriginalDialogs
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import ".."
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import "../controls-uit"
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import "../styles-uit"
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import "../windows-uit"
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import "fileDialog"
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//FIXME implement shortcuts for favorite location
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ModalWindow {
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id: root
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resizable: true
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implicitWidth: 640
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implicitHeight: 480
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minSize: Qt.vector2d(300, 240)
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draggable: true
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HifiConstants { id: hifi }
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Settings {
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category: "FileDialog"
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property alias width: root.width
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property alias height: root.height
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property alias x: root.x
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property alias y: root.y
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}
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// Set from OffscreenUi::getOpenFile()
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property alias caption: root.title;
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// Set from OffscreenUi::getOpenFile()
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property alias dir: fileTableModel.folder;
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// Set from OffscreenUi::getOpenFile()
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property alias filter: selectionType.filtersString;
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// Set from OffscreenUi::getOpenFile()
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property int options; // <-- FIXME unused
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property string iconText: text !== "" ? hifi.glyphs.scriptUpload : ""
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property int iconSize: 40
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property bool selectDirectory: false;
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property bool showHidden: false;
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// FIXME implement
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property bool multiSelect: false;
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property bool saveDialog: false;
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property var helper: fileDialogHelper
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property alias model: fileTableView.model
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property var drives: helper.drives()
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property int titleWidth: 0
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signal selectedFile(var file);
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signal canceled();
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Component.onCompleted: {
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console.log("Helper " + helper + " drives " + drives)
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// HACK: The following lines force the model to initialize properly such that the go-up button
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// works properly from the initial screen.
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var initialFolder = folderListModel.folder;
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fileTableModel.folder = helper.pathToUrl(drives[0]);
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fileTableModel.folder = initialFolder;
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iconText = root.title !== "" ? hifi.glyphs.scriptUpload : "";
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}
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Item {
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clip: true
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width: pane.width
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height: pane.height
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anchors.margins: 0
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Row {
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id: navControls
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anchors {
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top: parent.top
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topMargin: hifi.dimensions.contentMargin.y
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left: parent.left
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}
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spacing: hifi.dimensions.contentSpacing.x
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GlyphButton {
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id: upButton
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glyph: hifi.glyphs.levelUp
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width: height
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size: 30
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enabled: fileTableModel.parentFolder && fileTableModel.parentFolder !== ""
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onClicked: d.navigateUp();
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}
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GlyphButton {
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id: homeButton
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property var destination: helper.home();
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glyph: hifi.glyphs.home
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size: 28
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width: height
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enabled: d.homeDestination ? true : false
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onClicked: d.navigateHome();
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}
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}
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ComboBox {
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id: pathSelector
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anchors {
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top: parent.top
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topMargin: hifi.dimensions.contentMargin.y
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left: navControls.right
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leftMargin: hifi.dimensions.contentSpacing.x
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right: parent.right
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}
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property var lastValidFolder: helper.urlToPath(fileTableModel.folder)
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function calculatePathChoices(folder) {
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var folders = folder.split("/"),
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choices = [],
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i, length;
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if (folders[folders.length - 1] === "") {
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folders.pop();
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}
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choices.push(folders[0]);
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for (i = 1, length = folders.length; i < length; i++) {
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choices.push(choices[i - 1] + "/" + folders[i]);
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}
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if (folders[0] === "") {
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// Special handling for OSX root dir.
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choices[0] = "/";
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}
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choices.reverse();
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if (drives && drives.length > 1) {
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choices.push("This PC");
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}
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if (choices.length > 0) {
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pathSelector.model = choices;
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}
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}
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onLastValidFolderChanged: {
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var folder = d.capitalizeDrive(lastValidFolder);
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calculatePathChoices(folder);
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}
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onCurrentTextChanged: {
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var folder = currentText;
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if (/^[a-zA-z]:$/.test(folder)) {
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folder = "file:///" + folder + "/";
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} else if (folder === "This PC") {
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folder = "file:///";
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} else {
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folder = helper.pathToUrl(folder);
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}
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if (helper.urlToPath(folder).toLowerCase() !== helper.urlToPath(fileTableModel.folder).toLowerCase()) {
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fileTableModel.folder = folder;
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}
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}
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}
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QtObject {
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id: d
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property var currentSelectionUrl;
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readonly property string currentSelectionPath: helper.urlToPath(currentSelectionUrl);
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property bool currentSelectionIsFolder;
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property var backStack: []
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property var tableViewConnection: Connections { target: fileTableView; onCurrentRowChanged: d.update(); }
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property var modelConnection: Connections { target: fileTableModel; onFolderChanged: d.update(); }
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property var homeDestination: helper.home();
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function capitalizeDrive(path) {
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// Consistently capitalize drive letter for Windows.
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if (/[a-zA-Z]:/.test(path)) {
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return path.charAt(0).toUpperCase() + path.slice(1);
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}
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return path;
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}
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function update() {
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var row = fileTableView.currentRow;
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if (row === -1) {
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return;
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}
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currentSelectionUrl = helper.pathToUrl(fileTableView.model.get(row).filePath);
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currentSelectionIsFolder = fileTableView.model.isFolder(row);
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if (root.selectDirectory || !currentSelectionIsFolder) {
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currentSelection.text = capitalizeDrive(helper.urlToPath(currentSelectionUrl));
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} else {
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currentSelection.text = "";
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}
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}
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function navigateUp() {
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if (fileTableModel.parentFolder && fileTableModel.parentFolder !== "") {
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fileTableModel.folder = fileTableModel.parentFolder;
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return true;
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}
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}
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function navigateHome() {
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fileTableModel.folder = homeDestination;
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return true;
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}
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}
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FolderListModel {
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id: folderListModel
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nameFilters: selectionType.currentFilter
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showDirsFirst: true
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showDotAndDotDot: false
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showFiles: !root.selectDirectory
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Component.onCompleted: {
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showFiles = !root.selectDirectory
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}
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onFolderChanged: {
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fileTableModel.update(); // Update once the data from the folder change is available.
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}
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function getItem(index, field) {
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return get(index, field);
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}
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}
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ListModel {
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// Emulates FolderListModel but contains drive data.
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id: driveListModel
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property int count: 1
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Component.onCompleted: initialize();
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function initialize() {
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var drive,
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i;
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count = drives.length;
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for (i = 0; i < count; i++) {
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drive = drives[i].slice(0, -1); // Remove trailing "/".
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append({
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fileName: drive,
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fileModified: new Date(0),
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fileSize: 0,
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filePath: drive + "/",
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fileIsDir: true,
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fileNameSort: drive.toLowerCase()
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});
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}
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}
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function getItem(index, field) {
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return get(index)[field];
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}
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}
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ListModel {
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id: fileTableModel
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// FolderListModel has a couple of problems:
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// 1) Files and directories sort case-sensitively: https://bugreports.qt.io/browse/QTBUG-48757
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// 2) Cannot browse up to the "computer" level to view Windows drives: https://bugreports.qt.io/browse/QTBUG-42901
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//
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// To solve these problems an intermediary ListModel is used that implements proper sorting and can be populated with
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// drive information when viewing at the computer level.
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property var folder
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property int sortOrder: Qt.AscendingOrder
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property int sortColumn: 0
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property var model: folderListModel
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property string parentFolder: calculateParentFolder();
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readonly property string rootFolder: "file:///"
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function calculateParentFolder() {
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if (model === folderListModel) {
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if (folderListModel.parentFolder.toString() === "" && driveListModel.count > 1) {
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return rootFolder;
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} else {
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return folderListModel.parentFolder;
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}
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} else {
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return "";
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}
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}
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onFolderChanged: {
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if (folder === rootFolder) {
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model = driveListModel;
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update();
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} else {
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var needsUpdate = model === driveListModel && folder === folderListModel.folder;
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model = folderListModel;
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folderListModel.folder = folder;
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if (needsUpdate) {
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update();
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}
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}
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}
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function isFolder(row) {
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if (row === -1) {
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return false;
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}
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return get(row).fileIsDir;
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}
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function update() {
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var dataFields = ["fileName", "fileModified", "fileSize"],
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sortFields = ["fileNameSort", "fileModified", "fileSize"],
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dataField = dataFields[sortColumn],
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sortField = sortFields[sortColumn],
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sortValue,
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fileName,
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fileIsDir,
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comparisonFunction,
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lower,
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middle,
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upper,
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rows = 0,
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i;
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clear();
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comparisonFunction = sortOrder === Qt.AscendingOrder
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? function(a, b) { return a < b; }
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: function(a, b) { return a > b; }
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for (i = 0; i < model.count; i++) {
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fileName = model.getItem(i, "fileName");
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fileIsDir = model.getItem(i, "fileIsDir");
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sortValue = model.getItem(i, dataField);
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if (dataField === "fileName") {
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// Directories first by prefixing a "*".
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// Case-insensitive.
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sortValue = (fileIsDir ? "*" : "") + sortValue.toLowerCase();
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}
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lower = 0;
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upper = rows;
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while (lower < upper) {
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middle = Math.floor((lower + upper) / 2);
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var lessThan;
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if (comparisonFunction(sortValue, get(middle)[sortField])) {
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lessThan = true;
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upper = middle;
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} else {
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lessThan = false;
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lower = middle + 1;
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}
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}
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insert(lower, {
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fileName: fileName,
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fileModified: (fileIsDir ? new Date(0) : model.getItem(i, "fileModified")),
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fileSize: model.getItem(i, "fileSize"),
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filePath: model.getItem(i, "filePath"),
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fileIsDir: fileIsDir,
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fileNameSort: (fileIsDir ? "*" : "") + fileName.toLowerCase()
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});
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rows++;
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}
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}
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}
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Table {
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id: fileTableView
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colorScheme: hifi.colorSchemes.light
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anchors {
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top: navControls.bottom
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topMargin: hifi.dimensions.contentSpacing.y
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left: parent.left
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right: parent.right
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bottom: currentSelection.top
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bottomMargin: hifi.dimensions.contentSpacing.y + currentSelection.controlHeight - currentSelection.height
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}
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headerVisible: !selectDirectory
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onDoubleClicked: navigateToRow(row);
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focus: true
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Keys.onReturnPressed: navigateToCurrentRow();
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Keys.onEnterPressed: navigateToCurrentRow();
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sortIndicatorColumn: 0
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sortIndicatorOrder: Qt.AscendingOrder
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sortIndicatorVisible: true
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model: fileTableModel
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function updateSort() {
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model.sortOrder = sortIndicatorOrder;
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model.sortColumn = sortIndicatorColumn;
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model.update();
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}
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onSortIndicatorColumnChanged: { updateSort(); }
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onSortIndicatorOrderChanged: { updateSort(); }
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onActiveFocusChanged: {
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if (activeFocus && currentRow == -1) {
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fileTableView.selection.select(0)
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}
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}
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itemDelegate: Item {
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clip: true
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FontLoader { id: firaSansSemiBold; source: "../../fonts/FiraSans-SemiBold.ttf"; }
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FontLoader { id: firaSansRegular; source: "../../fonts/FiraSans-Regular.ttf"; }
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FiraSansSemiBold {
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text: getText();
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elide: styleData.elideMode
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anchors {
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left: parent.left
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leftMargin: hifi.dimensions.tablePadding
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right: parent.right
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rightMargin: hifi.dimensions.tablePadding
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verticalCenter: parent.verticalCenter
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}
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size: hifi.fontSizes.tableText
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color: hifi.colors.baseGrayHighlight
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font.family: (styleData.row !== -1 && fileTableView.model.get(styleData.row).fileIsDir)
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? firaSansSemiBold.name : firaSansRegular.name
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function getText() {
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if (styleData.row === -1) {
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return styleData.value;
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}
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switch (styleData.column) {
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case 1: return fileTableView.model.get(styleData.row).fileIsDir ? "" : styleData.value;
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case 2: return fileTableView.model.get(styleData.row).fileIsDir ? "" : formatSize(styleData.value);
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default: return styleData.value;
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}
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}
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function formatSize(size) {
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var suffixes = [ "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" ];
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var suffixIndex = 0
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while ((size / 1024.0) > 1.1) {
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size /= 1024.0;
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++suffixIndex;
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}
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size = Math.round(size*1000)/1000;
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size = size.toLocaleString()
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return size + " " + suffixes[suffixIndex];
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}
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}
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}
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TableViewColumn {
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id: fileNameColumn
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role: "fileName"
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title: "Name"
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width: (selectDirectory ? 1.0 : 0.5) * fileTableView.width
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movable: false
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resizable: true
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}
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TableViewColumn {
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id: fileMofifiedColumn
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role: "fileModified"
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title: "Date"
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width: 0.3 * fileTableView.width
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movable: false
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resizable: true
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visible: !selectDirectory
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}
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TableViewColumn {
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role: "fileSize"
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title: "Size"
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width: fileTableView.width - fileNameColumn.width - fileMofifiedColumn.width
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movable: false
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resizable: true
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visible: !selectDirectory
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}
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function navigateToRow(row) {
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currentRow = row;
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navigateToCurrentRow();
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}
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function navigateToCurrentRow() {
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var row = fileTableView.currentRow
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var isFolder = model.isFolder(row);
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var file = model.get(row).filePath;
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if (isFolder) {
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fileTableView.model.folder = helper.pathToUrl(file);
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} else {
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okAction.trigger();
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}
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}
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property string prefix: ""
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function addToPrefix(event) {
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if (!event.text || event.text === "") {
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return false;
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}
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var newPrefix = prefix + event.text.toLowerCase();
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var matchedIndex = -1;
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for (var i = 0; i < model.count; ++i) {
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var name = model.get(i).fileName.toLowerCase();
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if (0 === name.indexOf(newPrefix)) {
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matchedIndex = i;
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break;
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}
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}
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if (matchedIndex !== -1) {
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fileTableView.selection.clear();
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fileTableView.selection.select(matchedIndex);
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fileTableView.currentRow = matchedIndex;
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fileTableView.prefix = newPrefix;
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}
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prefixClearTimer.restart();
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return true;
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}
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Timer {
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id: prefixClearTimer
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interval: 1000
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repeat: false
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running: false
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onTriggered: fileTableView.prefix = "";
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}
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Keys.onPressed: {
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switch (event.key) {
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case Qt.Key_Backspace:
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case Qt.Key_Tab:
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case Qt.Key_Backtab:
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event.accepted = false;
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break;
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default:
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if (addToPrefix(event)) {
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event.accepted = true
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} else {
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event.accepted = false;
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}
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break;
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}
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}
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}
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TextField {
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id: currentSelection
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label: "Path:"
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anchors {
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left: parent.left
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right: selectionType.visible ? selectionType.left: parent.right
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rightMargin: selectionType.visible ? hifi.dimensions.contentSpacing.x : 0
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bottom: buttonRow.top
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bottomMargin: hifi.dimensions.contentSpacing.y
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}
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readOnly: !root.saveDialog
|
|
activeFocusOnTab: !readOnly
|
|
onActiveFocusChanged: if (activeFocus) { selectAll(); }
|
|
onAccepted: okAction.trigger();
|
|
}
|
|
|
|
FileTypeSelection {
|
|
id: selectionType
|
|
anchors {
|
|
top: currentSelection.top
|
|
left: buttonRow.left
|
|
right: parent.right
|
|
}
|
|
visible: !selectDirectory && filtersCount > 1
|
|
KeyNavigation.left: fileTableView
|
|
KeyNavigation.right: openButton
|
|
}
|
|
|
|
Row {
|
|
id: buttonRow
|
|
anchors {
|
|
right: parent.right
|
|
bottom: parent.bottom
|
|
}
|
|
spacing: hifi.dimensions.contentSpacing.y
|
|
|
|
Button {
|
|
id: openButton
|
|
color: hifi.buttons.blue
|
|
action: okAction
|
|
Keys.onReturnPressed: okAction.trigger()
|
|
KeyNavigation.up: selectionType
|
|
KeyNavigation.left: selectionType
|
|
KeyNavigation.right: cancelButton
|
|
}
|
|
|
|
Button {
|
|
id: cancelButton
|
|
action: cancelAction
|
|
KeyNavigation.up: selectionType
|
|
KeyNavigation.left: openButton
|
|
KeyNavigation.right: fileTableView.contentItem
|
|
Keys.onReturnPressed: { canceled(); root.enabled = false }
|
|
}
|
|
}
|
|
|
|
Action {
|
|
id: okAction
|
|
text: root.saveDialog ? "Save" : (root.selectDirectory ? "Choose" : "Open")
|
|
enabled: currentSelection.text ? true : false
|
|
onTriggered: okActionTimer.start();
|
|
}
|
|
|
|
Timer {
|
|
id: okActionTimer
|
|
interval: 50
|
|
running: false
|
|
repeat: false
|
|
onTriggered: {
|
|
if (!root.saveDialog) {
|
|
selectedFile(d.currentSelectionUrl);
|
|
root.destroy()
|
|
return;
|
|
}
|
|
|
|
|
|
// Handle the ambiguity between different cases
|
|
// * typed name (with or without extension)
|
|
// * full path vs relative vs filename only
|
|
var selection = helper.saveHelper(currentSelection.text, root.dir, selectionType.currentFilter);
|
|
|
|
if (!selection) {
|
|
desktop.messageBox({ icon: OriginalDialogs.StandardIcon.Warning, text: "Unable to parse selection" })
|
|
return;
|
|
}
|
|
|
|
if (helper.urlIsDir(selection)) {
|
|
root.dir = selection;
|
|
currentSelection.text = "";
|
|
return;
|
|
}
|
|
|
|
// Check if the file is a valid target
|
|
if (!helper.urlIsWritable(selection)) {
|
|
desktop.messageBox({
|
|
icon: OriginalDialogs.StandardIcon.Warning,
|
|
buttons: OriginalDialogs.StandardButton.Yes | OriginalDialogs.StandardButton.No,
|
|
text: "Unable to write to location " + selection
|
|
})
|
|
return;
|
|
}
|
|
|
|
if (helper.urlExists(selection)) {
|
|
var messageBox = desktop.messageBox({
|
|
icon: OriginalDialogs.StandardIcon.Question,
|
|
buttons: OriginalDialogs.StandardButton.Yes | OriginalDialogs.StandardButton.No,
|
|
text: "Do you wish to overwrite " + selection + "?",
|
|
});
|
|
var result = messageBox.exec();
|
|
if (OriginalDialogs.StandardButton.Yes !== result) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
console.log("Selecting " + selection)
|
|
selectedFile(selection);
|
|
root.destroy();
|
|
}
|
|
}
|
|
|
|
Action {
|
|
id: cancelAction
|
|
text: "Cancel"
|
|
onTriggered: { canceled(); root.visible = false; }
|
|
}
|
|
}
|
|
|
|
Keys.onPressed: {
|
|
switch (event.key) {
|
|
case Qt.Key_Backspace:
|
|
event.accepted = d.navigateUp();
|
|
break;
|
|
|
|
case Qt.Key_Home:
|
|
event.accepted = d.navigateHome();
|
|
break;
|
|
|
|
}
|
|
}
|
|
}
|