--- /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 "." 1.0
+import "SectionScroller.js" as Sections
+
+Item {
+ id: root
+
+ property ListView listView
+
+ onListViewChanged: {
+ if (listView && listView.model) {
+ internal.initDirtyObserver();
+ } else if (listView) {
+ listView.modelChanged.connect(function() {
+ if (listView.model) {
+ internal.initDirtyObserver();
+ }
+ });
+ }
+ }
+
+ property Style platformStyle: SectionScrollerStyle {}
+
+ //Deprecated, TODO Remove this on w13
+ property alias style: root.platformStyle
+
+ Rectangle {
+ id: container
+ color: "transparent"
+ width: 35
+ height: listView.height
+ x: listView.x + listView.width - width
+ property bool dragging: false
+
+ MouseArea {
+ id: dragArea
+ objectName: "dragArea"
+ anchors.fill: parent
+ drag.target: tooltip
+ drag.axis: Drag.YAxis
+ drag.minimumY: listView.y
+ drag.maximumY: listView.y + listView.height - tooltip.height
+
+ onPressed: {
+ mouseDownTimer.restart()
+ }
+
+ onReleased: {
+ container.dragging = false;
+ mouseDownTimer.stop()
+ }
+
+ onPositionChanged: {
+ internal.adjustContentPosition(dragArea.mouseY);
+ }
+
+ Timer {
+ id: mouseDownTimer
+ interval: 150
+
+ onTriggered: {
+ container.dragging = true;
+ internal.adjustContentPosition(dragArea.mouseY);
+ tooltip.positionAtY(dragArea.mouseY);
+ }
+ }
+ }
+ Item {
+ id: tooltip
+ objectName: "popup"
+ opacity: container.dragging ? 1 : 0
+ anchors.right: parent.right
+ anchors.rightMargin: 50
+ width: childrenRect.width
+ height: childrenRect.height
+
+ function positionAtY(yCoord) {
+ tooltip.y = Math.max(dragArea.drag.minimumY, Math.min(yCoord - tooltip.height/2, dragArea.drag.maximumY));
+ }
+
+ BorderImage {
+ id: background
+ width: childrenRect.width// + 20
+ height: childrenRect.height// + 20
+ anchors.left: parent.left
+ source: platformStyle.backgroundImage
+ border { left: 4; top: 4; right: 4; bottom: 4 }
+
+ Column {
+ width: Math.max(previousSectionLabel.width, currentSectionLabel.width, nextSectionLabel.width)
+ height: childrenRect.height
+
+ SectionScrollerLabel {
+ id: previousSectionLabel
+ objectName: "previousSectionLabel"
+ text: internal.prevSection
+ highlighted: internal.curSect === text
+ up: !internal.down
+ }
+
+ Image {
+ objectName: "divider1"
+ source: platformStyle.dividerImage
+ width: parent.width
+ height: 1
+ anchors.horizontalCenter: parent.horizontalCenter
+ }
+
+ SectionScrollerLabel {
+ id: currentSectionLabel
+ objectName: "currentSectionLabel"
+ text: internal.currentSection
+ highlighted: internal.curSect === text
+ up: !internal.down
+ }
+
+ Image {
+ objectName: "divider2"
+ source: platformStyle.dividerImage
+ width: parent.width
+ height: 1
+ anchors.horizontalCenter: parent.horizontalCenter
+ }
+
+ SectionScrollerLabel {
+ id: nextSectionLabel
+ objectName: "nextSectionLabel"
+ text: internal.nextSection
+ highlighted: internal.curSect === text
+ up: !internal.down
+ }
+ }
+ }
+
+ Image {
+ id: arrow
+ objectName: "arrow"
+ width: 8
+ height: 16
+ anchors.left: background.right
+ property int threshold: currentSectionLabel.height
+ property int yInitial: background.y + background.height/2 - height/2
+ y: getYPosition()
+ source: platformStyle.arrowImage
+
+ function getYPosition() {
+ var v = internal.curPos;
+ var adjust = v === "first" ? -threshold :
+ v === "last" ? threshold : 0;
+
+ return yInitial + adjust;
+ }
+
+ states: [
+ State {
+ when: root.dragging && dragArea.mouseY < (root.listView.y + threshold)
+ PropertyChanges {
+ target: arrow
+ y: yInitial - threshold
+ }
+ }
+ ]
+
+ Behavior on y {
+ NumberAnimation {
+ duration: 100
+ }
+ }
+ }
+
+ states: [
+ State {
+ name: "visible"
+ when: container.dragging
+ },
+
+ State {
+ extend: "visible"
+ name: "atTop"
+ when: internal.curPos === "first"
+ PropertyChanges {
+ target: previousSectionLabel
+ text: internal.currentSection
+ }
+ PropertyChanges {
+ target: currentSectionLabel
+ text: internal.nextSection
+ }
+ PropertyChanges {
+ target: nextSectionLabel
+ text: Sections.getNextSection(internal.nextSection)
+ }
+ },
+
+ State {
+ extend: "visible"
+ name: "atBottom"
+ when: internal.curPos === "last"
+ PropertyChanges {
+ target: previousSectionLabel
+ text: Sections.getPreviousSection(internal.prevSection)
+ }
+ PropertyChanges {
+ target: currentSectionLabel
+ text: internal.prevSection
+ }
+ PropertyChanges {
+ target: nextSectionLabel
+ text: internal.currentSection
+ }
+ }
+ ]
+
+ Behavior on opacity {
+ NumberAnimation { duration: 100 }
+ }
+ }
+ }
+
+ Timer {
+ id: dirtyTimer
+ interval: 100
+ running: false
+ onTriggered: {
+ Sections.initSectionData(listView);
+ internal.modelDirty = false;
+ }
+ }
+
+ Connections {
+ target: root.listView
+ onCurrentSectionChanged: internal.curSect = container.dragging ? internal.curSect : ""
+ }
+
+ QtObject {
+ id: internal
+
+ property string prevSection: ""
+ property string currentSection: listView.currentSection
+ property string nextSection: ""
+ property string curSect: ""
+ property string curPos: "first"
+ property int oldY: 0
+ property bool modelDirty: false
+ property bool down: true
+
+ function initDirtyObserver() {
+ Sections.initialize(listView);
+ function dirtyObserver() {
+ if (!internal.modelDirty) {
+ internal.modelDirty = true;
+ dirtyTimer.running = true;
+ }
+ }
+
+ if (listView.model.countChanged)
+ listView.model.countChanged.connect(dirtyObserver);
+
+ if (listView.model.itemsChanged)
+ listView.model.itemsChanged.connect(dirtyObserver);
+
+ if (listView.model.itemsInserted)
+ listView.model.itemsInserted.connect(dirtyObserver);
+
+ if (listView.model.itemsMoved)
+ listView.model.itemsMoved.connect(dirtyObserver);
+
+ if (listView.model.itemsRemoved)
+ listView.model.itemsRemoved.connect(dirtyObserver);
+ }
+
+ function adjustContentPosition(y) {
+ if (y < 0 || y > dragArea.height) return;
+
+ internal.down = (y > internal.oldY);
+ var sect = Sections.getClosestSection((y / dragArea.height), internal.down);
+ internal.oldY = y;
+ if (internal.curSect != sect) {
+ internal.curSect = sect;
+ internal.curPos = Sections.getSectionPositionString(internal.curSect);
+ var sec = Sections.getRelativeSections(internal.curSect);
+ internal.prevSection = sec[0];
+ internal.currentSection = sec[1];
+ internal.nextSection = sec[2];
+ var idx = Sections.getIndexFor(sect);
+ listView.positionViewAtIndex(idx, ListView.Beginning);
+ }
+ }
+
+ }
+}
projects / mardrone / blobdiff