plasma-framework/declarativeimports/plasmacomponents/qml/SelectionDialog.qml
2012-12-23 22:54:55 +01:00

187 lines
5.9 KiB
QML

/****************************************************************************
**
** Copyright (C) 2011 Marco Martin <mart@kde.org>
**
** 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
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** $QT_END_LICENSE$
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****************************************************************************/
import QtQuick 1.1
import org.kde.plasma.core 0.1 as PlasmaCore
import "." 0.1
/**
* A plasma themed SelectionDialog, which can be customized by overriding the
* ListView delegate.
*
* By default SelectionDialog provides a scrollable list of textual menu items.
* The user can choose one item from the list at a time.
*/
CommonDialog {
id: root
// Common API
/**
* type:QtObject
* The model of selectionDialog. Can be a simple model or a custom
* QAbstractItemModel
*/
property alias model: listView.model
/**
* Selected index.
*
* The default value is -1.
*/
property int selectedIndex: -1
/**
* The delegate used to render the items.
*/
property Component delegate: defaultDelegate
Component {
id: defaultDelegate
Label {
visible: modelData.search(RegExp(filterField.filterText, "i")) != -1
height: visible? paintedHeight*2 : 0
text: modelData
MouseArea {
anchors.fill: parent
onClicked: {
selectedIndex = index
root.accept()
}
}
Keys.onPressed: {
if (event.key == Qt.Key_Up || event.key == Qt.Key_Down)
scrollBar.flash()
}
}
}
content: Item {
id: contentItem
property alias filterText: filterField.filterText
implicitWidth: theme.defaultFont.mSize.width * 40
implicitHeight: theme.defaultFont.mSize.height * 12
height: implicitHeight
TextField {
id: filterField
property string filterText
onTextChanged: searchTimer.restart()
clearButtonShown: true
anchors {
top: parent.top
left: parent.left
right: parent.right
}
Timer {
id: searchTimer
running: false
repeat: false
interval: 500
onTriggered: filterField.filterText = filterField.text
}
}
ListView {
id: listView
anchors {
top: filterField.bottom
left: parent.left
right: parent.right
bottom: parent.bottom
}
currentIndex : -1
delegate: root.delegate
clip: true
Keys.onPressed: {
if (event.key == Qt.Key_Up || event.key == Qt.Key_Down
|| event.key == Qt.Key_Left || event.key == Qt.Key_Right
|| event.key == Qt.Key_Select || event.key == Qt.Key_Enter
|| event.key == Qt.Key_Return) {
listView.currentIndex = 0
event.accepted = true
}
}
}
ScrollBar {
id: scrollBar
flickableItem: listView
visible: listView.contentHeight > contentItem.height
//platformInverted: root.platformInverted
anchors { top: contentItem.top; right: contentItem.right }
}
}
onClickedOutside: {
reject()
}
Timer {
id: focusTimer
interval: 100
onTriggered: {
filterField.forceActiveFocus()
}
}
onStatusChanged: {
//FIXME: why needs focus deactivation then activation?
if (status == DialogStatus.Open) {
filterField.focus = false
focusTimer.running = true
}
if (status == DialogStatus.Opening) {
if (listView.currentItem != null) {
listView.currentItem.focus = false
}
listView.currentIndex = -1
listView.positionViewAtIndex(0, ListView.Beginning)
} else if (status == DialogStatus.Open) {
listView.focus = true
}
}
}