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/*
Copyright 2010 Marco Martin <notmart@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
import QtQuick 2.1
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.mobilecomponents 0.2
import org.kde.plasma.mobilecomponents.private 0.2
Item {
id: main
property Component delegate
property QtObject model
property int pageSize: Math.floor(iconView.width/main.delegateWidth)*Math.floor(iconView.height/main.delegateHeight)
property int delegateWidth: Units.iconSizes.huge + Units.gridUnit*2
property int delegateHeight: Units.iconSizes.huge + Units.gridUnit*2
property alias currentPage: iconView.currentIndex
property int pagesCount: Math.ceil(model.count/pageSize)
property int count: model.count
property alias contentX: iconView.contentX
clip: true
function positionViewAtIndex(index)
{
iconView.positionViewAtIndex(index / pageSize, ListView.Beginning)
}
Timer {
id: resizeTimer
running: true
interval: 100
onTriggered: {
main.pageSize = Math.floor(iconView.width/main.delegateWidth)*Math.floor(iconView.height/main.delegateHeight)
if (iconView.currentItem) {
iconView.currentItem.width = iconView.width
iconView.currentItem.height = iconView.height
}
}
}
ListView {
id: iconView
objectName: "iconView"
pressDelay: 200
cacheBuffer: 100
highlightMoveDuration: 250
anchors.fill: parent
onWidthChanged: resizeTimer.restart()
onHeightChanged: resizeTimer.restart()
model: main.model ? Math.ceil(main.model.count/main.pageSize) : 0
highlightRangeMode: ListView.StrictlyEnforceRange
orientation: ListView.Horizontal
snapMode: ListView.SnapOneItem
boundsBehavior: Flickable.DragOverBounds
signal clicked(string url)
delegate: Component {
Item {
id: delegatePage
//Explicitly *not* bind the properties for performance reasons
Component.onCompleted: {
width = iconView.width
height = iconView.height
//iconView.cacheBuffer = iconView.width
}
Flow {
id: iconFlow
width: iconRepeater.suggestedWidth
anchors {
horizontalCenter: parent.horizontalCenter
top: parent.top
bottom: parent.bottom
}
property int orientation: ListView.Horizontal
PagedProxyModel {
id: pagedProxyModel
sourceModel: main.model
currentPage: model.index
pageSize: main.pageSize
}
Repeater {
id: iconRepeater
model: pagedProxyModel
property int columns: Math.min(count, Math.floor(delegatePage.width/main.delegateWidth))
property int suggestedWidth: main.delegateWidth*columns
//property int suggestedHeight: main.delegateHeight*Math.floor(count/columns)
delegate: main.delegate
}
}
}
}
}
Loader {
id: scrollArea
visible: main.model && Math.ceil(main.model.count/main.pageSize) > 1
anchors {
left: parent.left
right: parent.right
bottom: parent.bottom
}
height: Math.max( 16, iconView.height - Math.floor(iconView.height/delegateHeight)*delegateHeight)
property int pageCount: main.model ? Math.ceil(main.model.count/main.pageSize) : 0
sourceComponent: pageCount > 1 ? ((pageCount * 20 > width) ? scrollDotComponent : dotsRow) : undefined
function setViewIndex(index)
{
//animate only if near
if (Math.abs(iconView.currentIndex - index) > 1) {
iconView.positionViewAtIndex(index, ListView.Beginning)
} else {
iconView.currentIndex = index
}
}
Component {
id: scrollDotComponent
MouseArea {
anchors.fill: parent
property int pendingIndex: 0
Rectangle {
id: barRectangle
color: Theme.textColor
opacity: 2.05
height: 4
radius: 2
anchors {
left: parent.left
right: parent.right
verticalCenter: parent.verticalCenter
leftMargin: (parent.width/pageCount/2)
rightMargin: (parent.width/pageCount/2)
}
}
Rectangle {
color: Theme.textColor
height: 8
width: height
radius: 4
anchors.verticalCenter: parent.verticalCenter
x: parent.width/(pageCount/(iconView.currentIndex+1)) - (parent.width/pageCount/2) - 4
Behavior on x {
NumberAnimation {
duration: 250
easing.type: Easing.InOutQuad
}
}
}
function setViewIndexFromMouse(x)
{
pendingIndex = Math.min(pageCount,
Math.round(pageCount / (barRectangle.width / Math.max(x - barRectangle.x, 1))))
viewPositionTimer.restart()
}
onPressed: setViewIndexFromMouse(mouse.x)
onPositionChanged: setViewIndexFromMouse(mouse.x)
Timer {
id: viewPositionTimer
interval: 200
onTriggered: setViewIndex(pendingIndex)
}
}
}
Component {
id: dotsRow
Item {
Row {
anchors.centerIn: parent
spacing: 20
Repeater {
model: scrollArea.pageCount
Rectangle {
width: 6
height: 6
scale: iconView.currentIndex == index ? 1.5 : 1
radius: 5
smooth: true
opacity: iconView.currentIndex == index ? 0.8: 0.4
color: Theme.textColor
Behavior on scale {
NumberAnimation {
duration: 250
easing.type: Easing.InOutQuad
}
}
Behavior on opacity {
NumberAnimation {
duration: 250
easing.type: Easing.InOutQuad
}
}
MouseArea {
anchors {
fill: parent
margins: -10
}
onClicked: {
setViewIndex(index)
}
}
}
}
}
}
}
}
}
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