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   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
   4 ** All rights reserved.
   5 ** Contact: Nokia Corporation (qt-info@nokia.com)
   6 **
   7 ** This file is part of the Qt Components project.
   8 **
   9 ** $QT_BEGIN_LICENSE:BSD$
  10 ** You may use this file under the terms of the BSD license as follows:
  11 **
  12 ** "Redistribution and use in source and binary forms, with or without
  13 ** modification, are permitted provided that the following conditions are
  14 ** met:
  15 **   * Redistributions of source code must retain the above copyright
  16 **     notice, this list of conditions and the following disclaimer.
  17 **   * Redistributions in binary form must reproduce the above copyright
  18 **     notice, this list of conditions and the following disclaimer in
  19 **     the documentation and/or other materials provided with the
  20 **     distribution.
  21 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
  22 **     the names of its contributors may be used to endorse or promote
  23 **     products derived from this software without specific prior written
  24 **     permission.
  25 **
  26 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  27 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  28 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  29 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  30 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  31 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  32 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  34 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  35 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  36 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  37 ** $QT_END_LICENSE$
  38 **
  39 ****************************************************************************/
  40
  41 import QtQuick 1.1
  42 import "." 1.1
  43
  44 Item {
  45     id: root
  46
  47     property alias text: textArea.text
  48
  49     // Symbian specific API
  50     property bool platformInverted: false
  51     property bool platformSubItemIndicator: false
  52     property real platformLeftMargin: platformStyle.paddingLarge
  53
  54     signal clicked
  55
  56     width: parent.width; height: privateStyle.menuItemHeight
  57
  58     QtObject {
  59         id: internal
  60
  61         function bg_postfix() {
  62             if (activeFocus && android.listInteractionMode == Android.KeyNavigation)
  63                 return "highlighted"
  64             else if (mouseArea.pressed && mouseArea.containsMouse && !mouseArea.canceled)
  65                 return "pressed"
  66             else
  67                 return "popup_normal"
  68         }
  69
  70         function textColor() {
  71             if (!enabled)
  72                 return root.platformInverted ? platformStyle.colorDisabledLightInverted
  73                                              : platformStyle.colorDisabledLight
  74             else if (activeFocus && android.listInteractionMode == Android.KeyNavigation)
  75                 return root.platformInverted ? platformStyle.colorHighlightedInverted
  76                                              : platformStyle.colorHighlighted
  77             else if (mouseArea.pressed && mouseArea.containsMouse)
  78                 return root.platformInverted ? platformStyle.colorPressedInverted
  79                                              : platformStyle.colorPressed
  80             else
  81                 return root.platformInverted ? platformStyle.colorNormalLightInverted
  82                                              : platformStyle.colorNormalLight
  83         }
  84     }
  85
  86     BorderImage {
  87         source: privateStyle.imagePath("qtg_fr_list_" + internal.bg_postfix(), root.platformInverted)
  88         border { left: 20; top: 20; right: 20; bottom: 20 }
  89         anchors.fill: parent
  90     }
  91
  92     Text {
  93         id: textArea
  94         anchors {
  95             verticalCenter: parent.verticalCenter
  96             left: parent.left
  97             leftMargin: platformLeftMargin
  98             right: iconLoader.status == Loader.Ready ? iconLoader.left : parent.right
  99             rightMargin: iconLoader.status == Loader.Ready ? platformStyle.paddingMedium : privateStyle.scrollBarThickness
 100         }
 101         font { family: platformStyle.fontFamilyRegular; pixelSize: platformStyle.fontSizeMedium }
 102         color: internal.textColor()
 103         horizontalAlignment: Text.AlignLeft
 104         elide: Text.ElideRight
 105     }
 106
 107     Loader {
 108         id: iconLoader
 109         sourceComponent: root.platformSubItemIndicator ? subItemIcon : undefined
 110         anchors {
 111             right: parent.right
 112             rightMargin: privateStyle.scrollBarThickness
 113             verticalCenter: parent.verticalCenter
 114         }
 115     }
 116
 117     Component {
 118         id: subItemIcon
 119
 120         Image {
 121             source: privateStyle.imagePath("qtg_graf_drill_down_indicator", platformInverted)
 122             sourceSize.width: platformStyle.graphicSizeSmall
 123             sourceSize.height: platformStyle.graphicSizeSmall
 124             mirror: LayoutMirroring.enabled
 125         }
 126     }
 127
 128
 129     MouseArea {
 130         id: mouseArea
 131
 132         property bool canceled: false
 133
 134         anchors.fill: parent
 135
 136         onPressed: {
 137             canceled = false
 138             android.listInteractionMode = Android.TouchInteraction
 139             privateStyle.play(Android.BasicItem)
 140         }
 141         onClicked: {
 142             if (!canceled)
 143                 root.clicked()
 144         }
 145         onReleased: {
 146             if (!canceled)
 147                 privateStyle.play(Android.PopupClose)
 148         }
 149         onExited: canceled = true
 150     }
 151
 152     Keys.onPressed: {
 153         event.accepted = true
 154         switch (event.key) {
 155             case Qt.Key_Select:
 156             case Qt.Key_Enter:
 157             case Qt.Key_Return: {
 158                 if (!event.isAutoRepeat) {
 159                     if (android.listInteractionMode != Android.KeyNavigation)
 160                         android.listInteractionMode = Android.KeyNavigation
 161                     else
 162                         root.clicked()
 163                 }
 164                 break
 165             }
 166
 167             case Qt.Key_Up: {
 168                 if (android.listInteractionMode != Android.KeyNavigation) {
 169                     android.listInteractionMode = Android.KeyNavigation
 170                     if (ListView.view != null)
 171                         ListView.view.positionViewAtIndex(index, ListView.Beginning)
 172                 } else {
 173                     if (ListView.view != null)
 174                         ListView.view.decrementCurrentIndex()
 175                     else
 176                         event.accepted = false
 177                 }
 178                 break
 179             }
 180
 181             case Qt.Key_Down: {
 182                 if (android.listInteractionMode != Android.KeyNavigation) {
 183                     android.listInteractionMode = Android.KeyNavigation
 184                     if (ListView.view != null)
 185                         ListView.view.positionViewAtIndex(index, ListView.Beginning)
 186                 } else {
 187                     if (ListView.view != null)
 188                         ListView.view.incrementCurrentIndex()
 189                     else
 190                         event.accepted = false
 191                 }
 192                 break
 193             }
 194             case Qt.Key_Left:
 195             case Qt.Key_Right: {
 196                 // If this MenuItem belongs to Menu invoke highlight
 197                 // in other cases consume event but do nothing
 198                 if (ListView.view == null && android.listInteractionMode != Android.KeyNavigation)
 199                     android.listInteractionMode = Android.KeyNavigation
 200                 break
 201             }
 202             default: {
 203                 event.accepted = false
 204                 break
 205             }
 206         }
 207     }
 208 }