diff options
Diffstat (limited to 'examples/declarative/listview')
| -rw-r--r-- | examples/declarative/listview/recipes.qml | 228 |
1 files changed, 118 insertions, 110 deletions
diff --git a/examples/declarative/listview/recipes.qml b/examples/declarative/listview/recipes.qml index 4ccb344..3410f56 100644 --- a/examples/declarative/listview/recipes.qml +++ b/examples/declarative/listview/recipes.qml @@ -1,128 +1,136 @@ import Qt 4.6 - import "content" + // This example illustrates expanding a list item to show a more detailed view + Rectangle { id: page width: 400; height: 240; color: "black" - resources: [ - // 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 - width: list.width - // 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 - - // 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. - MouseRegion { - 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 { - height: recipePic.height; width: background.width-recipePic.width-20 - 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; wrap: true; width: parent.width - opacity: wrapper.detailsOpacity - } - } + + // 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 + width: list.width + + // 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 + + // 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. + MouseRegion { + 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 } - Item { - id: details - x: 10; width: parent.width-20 - anchors.top: topLayout.bottom; anchors.topMargin: 10 - anchors.bottom: parent.bottom; anchors.bottomMargin: 10 - opacity: wrapper.detailsOpacity + + Column { + height: recipePic.height; width: background.width-recipePic.width-20 + spacing: 5 + Text { id: name; text: title; font.bold: true; font.pointSize: 16 } Text { - id: methodTitle - text: "Method"; font.pointSize: 12; font.bold: true - anchors.top: parent.top - } - Flickable { - id: flick - anchors.top: methodTitle.bottom; anchors.bottom: parent.bottom - width: parent.width; viewportHeight: methodText.height; clip: true - Text { id: methodText; text: method; wrap: true; width: details.width } - } - Image { - anchors.right: flick.right; anchors.top: flick.top - source: "content/pics/moreUp.png"; opacity: flick.atYBeginning ? 0 : 1 + text: "Ingredients"; font.pointSize: 12; font.bold: true + opacity: wrapper.detailsOpacity } - Image { - anchors.right: flick.right; anchors.bottom: flick.bottom - source: "content/pics/moreDown.png"; opacity: flick.atYEnd ? 0 : 1 + Text { + text: ingredients; wrap: true; width: parent.width + opacity: wrapper.detailsOpacity } } - // A button to close the detailed view, i.e. set the state back to default (''). - MediaButton { - anchors.right: background.right; anchors.rightMargin: 5 - y: 10; opacity: wrapper.detailsOpacity - text: "Close"; onClicked: { wrapper.state = '' } + } + + Item { + id: details + x: 10; width: parent.width-20 + anchors.top: topLayout.bottom; anchors.topMargin: 10 + anchors.bottom: parent.bottom; anchors.bottomMargin: 10 + opacity: wrapper.detailsOpacity + + Text { + id: methodTitle + text: "Method"; font.pointSize: 12; font.bold: true + anchors.top: parent.top + } + Flickable { + id: flick + anchors.top: methodTitle.bottom; anchors.bottom: parent.bottom + width: parent.width; viewportHeight: methodText.height; clip: true + Text { id: methodText; text: method; wrap: true; width: details.width } } - // Make the default height equal the hight of the picture, plus margin. - height: 68 - states: [ - State { - name: "Details" - PropertyChanges { target: background; color: "white" } - // Make the picture bigger - PropertyChanges { target: recipePic; width: 128; height: 128 } - // Make details visible - PropertyChanges { target: wrapper; detailsOpacity: 1; x: 0 } - // Make the detailed view fill the entire list area - PropertyChanges { target: wrapper; height: list.height } - // Move the list so that this item is at the top. - PropertyChanges { target: wrapper.ListView.view; explicit: true; viewportY: 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,viewportY,height,width" - } - } + Image { + anchors.right: flick.right; anchors.top: flick.top + source: "content/pics/moreUp.png"; opacity: flick.atYBeginning ? 0 : 1 + } + Image { + anchors.right: flick.right; anchors.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 { + anchors.right: background.right; anchors.rightMargin: 5 + y: 10; opacity: wrapper.detailsOpacity + text: "Close"; onClicked: wrapper.state = ''; + } + + // Make the default height equal the hight of the picture, plus margin. + height: 68 + + states: State { + name: "Details" + PropertyChanges { target: background; color: "white" } + // Make the picture bigger + PropertyChanges { target: recipePic; width: 128; height: 128 } + // Make details visible + PropertyChanges { target: wrapper; detailsOpacity: 1; x: 0 } + // Make the detailed view fill the entire list area + PropertyChanges { target: wrapper; height: list.height } + // Move the list so that this item is at the top. + PropertyChanges { target: wrapper.ListView.view; explicit: true; viewportY: 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,viewportY,height,width" } - ] + } } } - ] + } + // The actual list ListView { id: list |