plasma-framework/declarativeimports/plasmacomponents/qml/private/TabGroup.js

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/****************************************************************************
**
** 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."
** $QT_END_LICENSE$
**
****************************************************************************/
var allContainers = []
var allContents = []
function hasContainer(content) {
for (var i = 0; i < allContainers.length; ++i) {
if (allContainers[i].children[0] == content)
return true
}
return false
}
function addContent(content) {
for (var i = 0; i < allContents.length; ++i) {
if (allContents[i] == content)
return false
}
allContents.push(content)
return true
}
function ensureContainers() {
var somethingChanged = false
// check if we need to create a container
for (var i = 0; i < root.privateContents.length; ++i) {
var content = root.privateContents[i]
addContent(content)
if (!hasContainer(content)) {
var newContainer = tabContainerComponent.createObject(containerHost)
content.parent = newContainer
allContainers.push(newContainer)
somethingChanged = true
}
}
return somethingChanged
}
function addTab(content) {
if (addContent(content)) {
var newContainer = tabContainerComponent.createObject(containerHost)
content.parent = newContainer
allContainers.push(newContainer)
}
}
function removeTab(content) {
var foundIndex = -1
for (var i = 0; i < allContents.length && foundIndex == -1; ++i) {
if (allContents[i] == content)
foundIndex = i
}
if (foundIndex != -1)
allContents.splice(foundIndex, 1)
if (hasContainer(content))
content.parent = null // this causes deletion of container
}
function removeContainer(container) {
var foundIndex = -1
for (var i = 0; i < allContainers.length && foundIndex == -1; ++i) {
if (allContainers[i] == container)
foundIndex = i
}
if (foundIndex != -1) {
var deletedContainer = allContainers[foundIndex]
if (deletedContainer.children.length > 0)
removeTab(deletedContainer.children[0])
allContainers.splice(foundIndex, 1)
deletedContainer.destroy()
}
}