/**************************************************************************** ** ** 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. the list mode (default), which just shows the picture and title of the recipe. // 2. the details mode, which also shows the ingredients and method. Component { id: recipeDelegate Item { id: wrapper // 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: list.width // A simple rounded rectangle for the background Rectangle { id: background x: 1; y: 2; width: parent.width - 2; height: parent.height - 4 color: "#FEFFEE" border.color: "#FFBE4F" 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 { id: pageMouse anchors.fill: parent onClicked: wrapper.state = 'Details'; } // Layout the page. Picture, title and ingredients at the top, method at the // bottom. Note that elements that should not be visible in the list // mode have their opacity set to wrapper.detailsOpacity. Row { id: topLayout x: 10; y: 10; height: recipePic.height; width: parent.width spacing: 10 Image { id: recipePic source: picture; width: 48; height: 48 } Column { width: background.width-recipePic.width-20; height: recipePic.height; spacing: 5 Text { id: name; text: title; font.bold: true; font.pointSize: 16 } Text { text: "Ingredients" font.pointSize: 12; font.bold: true opacity: wrapper.detailsOpacity } Text { text: ingredients wrapMode: Text.WordWrap width: parent.width opacity: wrapper.detailsOpacity } } } Item { id: details x: 10; width: parent.width-20 anchors { top: topLayout.bottom; topMargin: 10; bottom: parent.bottom; bottomMargin: 10 } opacity: wrapper.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 (''). MediaButton { y: 10; anchors { right: background.right; rightMargin: 5 } opacity: wrapper.detailsOpacity text: "Close" onClicked: wrapper.state = ''; } // Set the default height to the height of the picture, plus margin. height: 68 states: State { name: "Details" PropertyChanges { target: background; color: "white" } PropertyChanges { target: recipePic; width: 128; height: 128 } // Make picture bigger PropertyChanges { target: wrapper; detailsOpacity: 1; x: 0 } // Make details visible PropertyChanges { target: wrapper; height: list.height } // Fill the entire list area with the detailed view // Move the list so that this item is at the top. PropertyChanges { target: wrapper.ListView.view; explicit: true; contentY: wrapper.y } // Disallow flicking while we're in detailed view PropertyChanges { target: wrapper.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: list anchors.fill: parent clip: true model: Recipes delegate: recipeDelegate } }