This commit is contained in:
o.o.c
2024-12-14 15:32:38 +08:00
commit 3c1e00b887
48 changed files with 37738 additions and 0 deletions

File diff suppressed because it is too large Load Diff

View File

@@ -0,0 +1,10 @@
{
"ver": "1.1.0",
"uuid": "62dc0f24-4bb7-4888-8609-11ac30495f14",
"importer": "typescript",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}

View File

@@ -0,0 +1,114 @@
import { YXBinaryLayout, YXCollectionView, YXIndexPath, YXLayoutAttributes } from "./yx-collection-view";
enum _yx_table_layout_alignment {
/**
* 单元节点相对列表居中
*/
CENTER,
/**
* 单元节点紧靠列表左侧
*/
LEFT,
/**
* 单元节点紧靠列表右侧
*/
RIGHT,
}
/**
* 想要了解自定义布局的,可以看看这个类,这个类实现了一个基础的 table view 的布局样式,相对来说比较简单
*
* - 支持不同的节点大小
* - 支持调整对齐方式
* - 不支持分区布局
* - 不支持水平方向滚动,仅支持垂直方向滚动
* - 不支持多列布局,仅支持单列布局
* - 支持调整上下边距/间距
*/
export class YXTableLayout extends YXBinaryLayout {
/**
* 单元格大小
*/
itemSize: cc.Size | ((indexPath: YXIndexPath, layout: YXTableLayout, collectionView: YXCollectionView) => cc.Size) = new cc.Size(100, 100)
/**
* 间距
*/
spacing: number = 0
/**
* 上边距
*/
top: number = 0
/**
* 下边距
*/
bottom: number = 0
/**
* 对齐方式
*/
alignment: _yx_table_layout_alignment = YXTableLayout.Alignment.CENTER
static Alignment = _yx_table_layout_alignment
prepare(collectionView: YXCollectionView): void {
// 设置列表的滚动方向
if (collectionView.scrollDirection == YXCollectionView.ScrollDirection.HORIZONTAL) {
cc.warn(`YXTableLayout 只支持垂直方向排列`)
}
collectionView.scrollView.horizontal = false
collectionView.scrollView.vertical = true
let contentSize = collectionView.node.getContentSize()
let attrs = []
let maxY = this.top
// 获取列表内一共需要展示多少数据
let numberOfItems = collectionView.getNumberOfItems(0)
for (let row = 0; row < numberOfItems; row++) {
// 生成对应的 indexPath并通过 indexPath 获取节点大小
// 这里是不支持分区所以不考虑 section 的情况section 默认就是 0支持的分区的情况可以回头看 flow-layout 的实现
let indexPath = new YXIndexPath(0, row)
let itemSize = this.itemSize instanceof Function ? this.itemSize(indexPath, this, collectionView) : this.itemSize
// 生成布局属性对象,并按照 table view 的规则确定好节点的位置
let attributes = new YXLayoutAttributes(indexPath)
attributes.frame = new cc.Rect()
attributes.frame.size = itemSize
attributes.frame.y = maxY + (row > 0 ? this.spacing : 0)
attributes.frame.x = 0
if (this.alignment == _yx_table_layout_alignment.RIGHT) {
attributes.frame.x = (contentSize.width - attributes.frame.width)
}
if (this.alignment == _yx_table_layout_alignment.CENTER) {
attributes.frame.x = (contentSize.width - attributes.frame.width) * 0.5
}
attrs.push(attributes)
maxY = attributes.frame.yMax
}
maxY += this.bottom
// 保存起来给列表组件使用
this.attributes = attrs
// 确定滚动范围的总大小
contentSize.height = Math.max(contentSize.height, maxY)
this.contentSize = contentSize
}
initOffset(collectionView: YXCollectionView): void {
// 首次更新数据,滚动至列表顶部
collectionView.scrollView.scrollToTop()
}
}

View File

@@ -0,0 +1,10 @@
{
"ver": "1.1.0",
"uuid": "5f2b7203-9892-41ce-a233-17f1824d0dd8",
"importer": "typescript",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}