git.maemo.org Git - mardrone/blob - mardrone/imports/com/nokia/meego/Sheet.qml

   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 "." 1.0
  43
  44 Item {
  45     id: root
  46
  47     width: parent ? parent.width : 0
  48     height: parent ? parent.height : 0
  49
  50     property alias title: titleBar.children
  51     property alias content: contentField.children
  52     property alias buttons: buttonRow.children
  53     property Item visualParent
  54     property int status: DialogStatus.Closed
  55
  56     property alias acceptButtonText: acceptButton.text
  57     property alias rejectButtonText: rejectButton.text
  58
  59     property alias acceptButton: acceptButton
  60     property alias rejectButton: rejectButton
  61
  62     signal accepted
  63     signal rejected
  64
  65     property QtObject platformStyle: SheetStyle {}
  66
  67     //Deprecated, TODO Remove this on w13
  68     property alias style: root.platformStyle
  69
  70     function reject() {
  71         close();
  72         rejected();
  73     }
  74
  75     function accept() {
  76         close();
  77         accepted();
  78     }
  79
  80     visible: status != DialogStatus.Closed;
  81
  82     function open() {
  83         parent = visualParent || __findParent();
  84         sheet.state = "";
  85     }
  86
  87     function close() {
  88         sheet.state = "closed";
  89     }
  90
  91     function __findParent() {
  92         var next = parent;
  93         while (next && next.parent
  94                && next.objectName != "appWindowContent"
  95                && next.objectName != "windowContent") {
  96             next = next.parent;
  97         }
  98         return next;
  99     }
 100
 101     function getButton(name) {
 102         for (var i=0; i<buttons.length; ++i) {
 103             if (buttons[i].objectName == name)
 104                 return buttons[i];
 105         }
 106         return undefined;
 107     }
 108
 109     MouseArea {
 110         id: blockMouseInput
 111         anchors.fill: parent
 112     }
 113
 114     Item {
 115         id: sheet
 116
 117         //when the sheet is part of a page do nothing
 118         //when the sheet is a direct child of a PageStackWindow, consider the status bar
 119         property int statusBarOffset: (typeof __isPage != "undefined") ? 0
 120                                      : (typeof __statusBarHeight == "undefined") ? 0
 121                                      :  __statusBarHeight
 122
 123         width: parent.width
 124         height: parent.height - statusBarOffset
 125
 126         y: statusBarOffset
 127
 128         clip: true
 129
 130         property int transitionDurationIn: 300
 131         property int transitionDurationOut: 450
 132
 133         state: "closed"
 134
 135         function transitionStarted() {
 136             status = (state == "closed") ? DialogStatus.Closing : DialogStatus.Opening;
 137         }
 138
 139         function transitionEnded() {
 140             status = (state == "closed") ? DialogStatus.Closed : DialogStatus.Open;
 141         }
 142
 143         states: [
 144             // Closed state.
 145             State {
 146                 name: "closed"
 147                 PropertyChanges { target: sheet; y: height; }
 148             }
 149         ]
 150
 151         transitions: [
 152             // Transition between open and closed states.
 153             Transition {
 154                 from: ""; to: "closed"; reversible: false
 155                 SequentialAnimation {
 156                     ScriptAction { script: if (sheet.state == "closed") { sheet.transitionStarted(); } else { sheet.transitionEnded(); } }
 157                     PropertyAnimation { properties: "y"; easing.type: Easing.InOutQuint; duration: sheet.transitionDurationOut }
 158                     ScriptAction { script: if (sheet.state == "closed") { sheet.transitionEnded(); } else { sheet.transitionStarted(); } }
 159                 }
 160             },
 161             Transition {
 162                 from: "closed"; to: ""; reversible: false
 163                 SequentialAnimation {
 164                     ScriptAction { script: if (sheet.state == "") { sheet.transitionStarted(); } else { sheet.transitionEnded(); } }
 165                     PropertyAnimation { properties: "y"; easing.type: Easing.OutQuint; duration: sheet.transitionDurationIn }
 166                     ScriptAction { script: if (sheet.state == "") { sheet.transitionEnded(); } else { sheet.transitionStarted(); } }
 167                 }
 168             }
 169         ]
 170
 171         BorderImage {
 172             source: platformStyle.background
 173             width: parent.width
 174             anchors.top: header.bottom
 175             anchors.bottom: parent.bottom
 176             Item {
 177                 id: contentField
 178                 anchors.fill: parent
 179             }
 180         }
 181
 182         Item {
 183             id: header
 184             width: parent.width
 185             height: headerBackground.height
 186             BorderImage {
 187                 id: headerBackground
 188                 border {
 189                     left: platformStyle.headerBackgroundMarginLeft
 190                     right: platformStyle.headerBackgroundMarginRight
 191                     top: platformStyle.headerBackgroundMarginTop
 192                     bottom: platformStyle.headerBackgroundMarginBottom
 193                 }
 194                 source: platformStyle.headerBackground
 195                 width: header.width
 196             }
 197             Item {
 198                 id: buttonRow
 199                 anchors.fill: parent
 200                 SheetButton {
 201                     id: rejectButton
 202                     objectName: "rejectButton"
 203                     anchors.left: parent.left
 204                     anchors.leftMargin: root.platformStyle.rejectButtonLeftMargin
 205                     anchors.verticalCenter: parent.verticalCenter
 206                     visible: text != ""
 207                     onClicked: close()
 208                 }
 209                 SheetButton {
 210                     id: acceptButton
 211                     objectName: "acceptButton"
 212                     anchors.right: parent.right
 213                     anchors.rightMargin: root.platformStyle.acceptButtonRightMargin
 214                     anchors.verticalCenter: parent.verticalCenter
 215                     platformStyle: SheetButtonAccentStyle { }
 216                     visible: text != ""
 217                     onClicked: close()
 218                 }
 219                 Component.onCompleted: {
 220                     acceptButton.clicked.connect(accepted)
 221                     rejectButton.clicked.connect(rejected)
 222                 }
 223             }
 224             Item {
 225                 id: titleBar
 226                 anchors.fill: parent
 227             }
 228         }
 229     }
 230 }