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/*
* Copyright 2011 Canonical Ltd.
*
* Authors:
* Olivier Tilloy <olivier@tilloy.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 1.0
FocusScope {
id: frameSwitch
property int duration: 200
property alias currentIndex: frames.currentIndex
property alias count: frames.count
clip: true
ListModel {
id: frames
property int currentIndex: -1
}
onWidthChanged: {
for (var i = 0; i < frames.count; i++) {
frames.get(i).frame.width = frameSwitch.width
}
if (frames.count > 0) {
frames.get(0).frame.x = -frameSwitch.width * frames.currentIndex
}
}
function pushFrame(frame) {
frame.duration = frameSwitch.duration
frames.append({ frame: frame })
frame.parent = frameSwitch
frame.width = frame.parent.width
frame.anchors.top = frame.parent.top
frame.anchors.bottom = frame.parent.bottom
if (frames.count == 1) {
frame.x = 0
frame.focus = true
frames.currentIndex = 0
} else {
frame.anchors.left = frames.get(frames.count - 2).frame.right
}
}
function currentFrame() {
if (frames.count > 0) {
return frames.get(frames.currentIndex).frame
} else {
return null
}
}
function changeIndex(newIndex) {
if (frames.count <= 1) return
if (frames.currentIndex == newIndex) return
if (newIndex < 0 || newIndex >= frames.count) return
frameConnection.target = frames.get(0).frame
frames.get(0).frame.x = -frameSwitch.width * newIndex
frames.currentIndex = newIndex
}
function goToFrame(frame) {
for (var i = 0; i < frames.count; i++) {
if (frames.get(i).frame == frame) {
changeIndex(i)
break
}
}
}
Connections {
id: frameConnection
target: null
onRunningChanged: {
if (!frameConnection.target.running) {
frameConnection.target = null
currentFrame().shown()
currentFrame().focus = true
}
}
}
}
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