我在一个QML示例中找到了以下代码。我对节的问题有疑问:是否有一种方法可以在用户单击节标题时隐藏属于该节的所有元素?例如,当用户单击“Tiny”标题时,是否有可能隐藏“Ant”和“Flea”?
以下是代码:
以下是代码:
Rectangle {
id: container
width: 300
height: 360
ListModel {
id: animalsModel
ListElement { name: "Ant"; size: "Tiny" }
ListElement { name: "Flea"; size: "Tiny" }
ListElement { name: "Parrot"; size: "Small" }
ListElement { name: "Guinea pig"; size: "Small" }
ListElement { name: "Rat"; size: "Small" }
ListElement { name: "Butterfly"; size: "Small" }
ListElement { name: "Dog"; size: "Medium" }
ListElement { name: "Cat"; size: "Medium" }
ListElement { name: "Pony"; size: "Medium" }
ListElement { name: "Koala"; size: "Medium" }
ListElement { name: "Horse"; size: "Large" }
ListElement { name: "Tiger"; size: "Large" }
ListElement { name: "Giraffe"; size: "Large" }
ListElement { name: "Elephant"; size: "Huge" }
ListElement { name: "Whale"; size: "Huge" }
}
// The delegate for each section header
Component {
id: sectionHeading
Rectangle {
id: sectionHeadingRectangle
width: container.width
height: childrenRect.height
color: "lightsteelblue"
Text {
text: section
font.bold: true
font.pixelSize: 20;
}
}
}
Component {
id: section
Rectangle {
width: container.width
height: mainText.height
Text { id: mainText; text: name; font.pixelSize: 18 }
}
}
ListView {
id: view
anchors.fill: parent
// width: parent.width
model: animalsModel
delegate: section
section.property: "size"
section.criteria: ViewSection.FullString
section.delegate: sectionHeading
}
}