# 选择容器
目录
1.选择
2.对齐
3.置顶
4.单个对象调整大小,多个不可以
5.不支持旋转
6.移动多个选中的对象
7.支持8个点的调整
8.鼠标移动到8个点的时候变化,点也跟随变换
9.始终处于最顶层
10.根据背景调整自身颜色
11.点击选择器以外取消选择
查看实例代码
<template>
<div>
<canvas :id="id" width="740" height="400" tabindex="0"/>
</div>
</template>
<script lang="ts">
import { Component, Prop, Vue } from "vue-property-decorator";
import { v1 as uuid } from "uuid";
import {SGraphView, SGraphScene, SGraphRectItem} from "@persagy-web/graph/lib";
import {SRect} from "@persagy-web/draw/lib";
class ResizeRect extends SGraphRectItem{
resize(oldSize: SRect, newSize: SRect):void{
this.width = newSize.width;
this.height = newSize.height;
}
}
@Component
export default class SelectContainerCanvas extends Vue {
id: string = uuid();
view: SGraphView | undefined;
rectData = {
X: 0,
Y: 0,
Width: 500,
Height: 500,
Radius: 0,
Style: {
"Default":{
"Stroke": "#cccccc",
"Fill": "SLinearGradient{0,0;0,1000;0,#ff483bff;0.5,#04ff00ff;1,#3d4effff;}",
"LineWidth": 2,
"Effect": {}
},
"Selected": {
"Stroke": "#66ff66",
"Fill": "SRadialGradient{500,500,50;500,500,500;0,#ff483bff;0.5,#04ff00ff;1,#3d4effff;}",
"LineWidth": 3,
"Effect": {}
},
"Disabled": {
"Stroke": "#333333",
"Fill": "#afafaf",
"LineWidth": 1,
"Effect": {}
},
}
};
mounted():void {
this.init()
};
init():void {
this.view = new SGraphView(this.id);
const scene = new SGraphScene();
const item = new ResizeRect(null, this.rectData);
scene.addItem(item);
item.selectable = true;
item.moveable = true;
this.view.scene = scene;
this.view.fitSceneToView();
this.view.scalable = false;
};
}
</script>
<style scoped>
</style>
Vue
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