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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt 4.7
import "content"
// This example illustrates expanding a list item to show a more detailed view.
Rectangle {
id: page
width: 400; height: 240
color: "black"
// Delegate for the recipes. This delegate has two modes:
// 1. List mode (default), which just shows the picture and title of the recipe.
// 2. Details mode, which also shows the ingredients and method.
Component {
id: recipeDelegate
Item {
id: recipe
// Create a property to contain the visibility of the details.
// We can bind multiple element's opacity to this one property,
// rather than having a "PropertyChanges" line for each element we
// want to fade.
property real detailsOpacity : 0
width: listView.width
height: 70
// A simple rounded rectangle for the background
Rectangle {
id: background
x: 2; y: 2; width: parent.width - x*2; height: parent.height - y*2
color: "ivory"
border.color: "orange"
radius: 5
}
// This mouse region covers the entire delegate.
// When clicked it changes mode to 'Details'. If we are already
// in Details mode, then no change will happen.
MouseArea {
anchors.fill: parent
onClicked: recipe.state = 'Details';
}
// Lay out the page: picture, title and ingredients at the top, and method at the
// bottom. Note that elements that should not be visible in the list
// mode have their opacity set to recipe.detailsOpacity.
Row {
id: topLayout
x: 10; y: 10; height: recipeImage.height; width: parent.width
spacing: 10
Image {
id: recipeImage
width: 50; height: 50
source: picture
}
Column {
width: background.width - recipeImage.width - 20; height: recipeImage.height
spacing: 5
Text {
text: title
font.bold: true; font.pointSize: 16
}
Text {
text: "Ingredients"
font.pointSize: 12; font.bold: true
opacity: recipe.detailsOpacity
}
Text {
text: ingredients
wrapMode: Text.WordWrap
width: parent.width
opacity: recipe.detailsOpacity
}
}
}
Item {
id: details
x: 10; width: parent.width - 20
anchors { top: topLayout.bottom; topMargin: 10; bottom: parent.bottom; bottomMargin: 10 }
opacity: recipe.detailsOpacity
Text {
id: methodTitle
anchors.top: parent.top
text: "Method"
font.pointSize: 12; font.bold: true
}
Flickable {
id: flick
width: parent.width
anchors { top: methodTitle.bottom; bottom: parent.bottom }
contentHeight: methodText.height
clip: true
Text { id: methodText; text: method; wrapMode: Text.WordWrap; width: details.width }
}
Image {
anchors { right: flick.right; top: flick.top }
source: "content/pics/moreUp.png"
opacity: flick.atYBeginning ? 0 : 1
}
Image {
anchors { right: flick.right; bottom: flick.bottom }
source: "content/pics/moreDown.png"
opacity: flick.atYEnd ? 0 : 1
}
}
// A button to close the detailed view, i.e. set the state back to default ('').
TextButton {
y: 10
anchors { right: background.right; rightMargin: 10 }
opacity: recipe.detailsOpacity
text: "Close"
onClicked: recipe.state = '';
}
states: State {
name: "Details"
PropertyChanges { target: background; color: "white" }
PropertyChanges { target: recipeImage; width: 130; height: 130 } // Make picture bigger
PropertyChanges { target: recipe; detailsOpacity: 1; x: 0 } // Make details visible
PropertyChanges { target: recipe; height: listView.height } // Fill the entire list area with the detailed view
// Move the list so that this item is at the top.
PropertyChanges { target: recipe.ListView.view; explicit: true; contentY: recipe.y }
// Disallow flicking while we're in detailed view
PropertyChanges { target: recipe.ListView.view; interactive: false }
}
transitions: Transition {
// Make the state changes smooth
ParallelAnimation {
ColorAnimation { property: "color"; duration: 500 }
NumberAnimation { duration: 300; properties: "detailsOpacity,x,contentY,height,width" }
}
}
}
}
// The actual list
ListView {
id: listView
anchors.fill: parent
model: RecipesModel {}
delegate: recipeDelegate
}
}
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