<template>
	<view
		:style="'width:' + width + ';' + (square ? 'height:' + width : '')"
		class="uni-grid-item grid-item"
	>
		<view
			:class="{
				'uni-grid-item--border': showBorder,
				'uni-grid-item--border-top': showBorder && index < column,
				'uni-highlight': highlight
			}"
			:style="{
				'border-right-color': borderColor,
				'border-bottom-color': borderColor,
				'border-top-color': borderColor
			}"
			class="uni-grid-item__box"
			@click="_onClick"
		>
			<slot />
		</view>
	</view>
</template>

<script>
/**
 * GridItem 宫格
 * @description 宫格组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=27
 * @property {Number} index 子组件的唯一标识 ，点击gird会返回当前的标识
 */
export default {
	name: 'UniGridItem',
	inject: ['grid'],
	props: {
		index: {
			type: Number,
			default: 0
		}
	},
	data() {
		return {
			column: 0,
			showBorder: true,
			square: true,
			highlight: true,
			left: 0,
			top: 0,
			openNum: 2,
			width: 0,
			borderColor: '#e5e5e5'
		};
	},
	created() {
		this.column = this.grid.column;
		this.showBorder = this.grid.showBorder;
		this.square = this.grid.square;
		this.highlight = this.grid.highlight;
		this.top = this.hor === 0 ? this.grid.hor : this.hor;
		this.left = this.ver === 0 ? this.grid.ver : this.ver;
		this.borderColor = this.grid.borderColor;
		this.grid.children.push(this);
		// this.grid.init()
		this.width = this.grid.width;
	},
	beforeDestroy() {
		this.grid.children.forEach((item, index) => {
			if (item === this) {
				this.grid.children.splice(index, 1);
			}
		});
	},
	methods: {
		_onClick() {
			this.grid.change({
				detail: {
					index: this.index
				}
			});
		}
	}
};
</script>

<style lang="scss" scoped>
.uni-grid-item {
	/* #ifndef APP-NVUE */
	height: 100%;
	display: flex;
	/* #endif */
	/* #ifdef H5 */
	cursor: pointer;
	/* #endif */
}

.uni-grid-item__box {
	/* #ifndef APP-NVUE */
	display: flex;
	width: 100%;
	/* #endif */
	position: relative;
	flex: 1;
	flex-direction: column;
	// justify-content: center;
	// align-items: center;
}

.uni-grid-item--border {
	position: relative;
	/* #ifdef APP-NVUE */
	border-bottom-color: #d2d2d2;
	border-bottom-style: solid;
	border-bottom-width: 0.5px;
	border-right-color: #d2d2d2;
	border-right-style: solid;
	border-right-width: 0.5px;
	/* #endif */
	/* #ifndef APP-NVUE */
	z-index: 0;
	border-bottom: 0.5px #d2d2d2 solid;
	border-right: 0.5px #d2d2d2 solid;
	/* #endif */
}
.uni-grid-item--border-top {
	position: relative;
	/* #ifdef APP-NVUE */
	border-top-color: #d2d2d2;
	border-top-style: solid;
	border-top-width: 0.5px;
	/* #endif */
	/* #ifndef APP-NVUE */
	border-top: 1px #d2d2d2 solid;
	z-index: 0;
	/* #endif */
}

.uni-highlight:active {
	background-color: #f1f1f1;
}
</style>
