基于 vue2.x 切割面板组件_vue 分割面板

效果图

实现

index.vue

<template>
  <div
    :style="{ cursor, userSelect }"
    class="vue-splitter-container clearfix"
    @mouseup="onMouseUp"
    @mousemove="onMouseMove"
  >
    <pane
      class="splitter-pane splitter-paneL"
      :split="split"
      :style="{ [type]: percent + '%' }"
    >
      <slot name="paneL"></slot>
    </pane>

    <resizer
      :className="className"
      :style="{ [resizeType]: percent + '%' }"
      :split="split"
      @mousedown.native="onMouseDown"
      @click.native="onClick"
    ></resizer>

    <pane
      class="splitter-pane splitter-paneR"
      :split="split"
      :style="{ [type]: 100 - percent + '%' }"
    >
      <slot name="paneR"></slot>
    </pane>
    <div class="vue-splitter-container-mask" v-if="active"></div>
  </div>
</template>

<script>
import Resizer from "./resizer.vue";
import Pane from "./pane.vue";

export default {
  name: "splitPane",
  components: { Resizer, Pane },
  props: {
    minPercent: {
      type: Number,
      default: 10,
    },
    defaultPercent: {
      type: Number,
      default: 50,
    },
    split: {
      validator(value) {
        return ["vertical", "horizontal"].indexOf(value) >= 0;
      },
      required: true,
    },
    className: String,
  },
  computed: {
    userSelect() {
      return this.active ? "none" : "";
    },
    cursor() {
      return this.active ? "col-resize" : "";
    },
  },
  watch: {
    defaultPercent(newValue, oldValue) {
      this.percent = newValue;
    },
  },
  data() {
    return {
      active: false,
      hasMoved: false,
      height: null,
      percent: this.defaultPercent,
      type: this.split === "vertical" ? "width" : "height",
      resizeType: this.split === "vertical" ? "left" : "top",
    };
  },
  methods: {
    onClick() {
      if (!this.hasMoved) {
        this.percent = 50;
        this.$emit("resize");
      }
    },
    onMouseDown() {
      this.active = true;
      this.hasMoved = false;
    },
    onMouseUp() {
      this.active = false;
    },
    onMouseMove(e) {
      if (e.buttons === 0 || e.which === 0) {
        this.active = false;
      }

      if (this.active) {
        let offset = 0;
        let target = e.currentTarget;
        if (this.split === "vertical") {
          while (target) {
            offset += target.offsetLeft;
            target = target.offsetParent;
          }
        } else {
          while (target) {
            offset += target.offsetTop;
            target = target.offsetParent;
          }
        }

        const currentPage = this.split === "vertical" ? e.pageX : e.pageY;
        const targetOffset =
          this.split === "vertical"
            ? e.currentTarget.offsetWidth
            : e.currentTarget.offsetHeight;
        const percent =
          Math.floor(((currentPage - offset) / targetOffset) * 10000) / 100;

        if (percent > this.minPercent && percent < 100 - this.minPercent) {
          this.percent = percent;
        }

        this.$emit("resize");
        this.hasMoved = true;
      }
    },
  },
};
</script>

<style scoped>
.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}

.vue-splitter-container {
  height: 100%;
  position: relative;
}

.vue-splitter-container-mask {
  z-index: 9999;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
</style>

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pane.vue

<template>
  <div :class="classes">
    <slot></slot>
  </div>
</template>

<script>
export default {
  name: "Pane",
  props: {
    className: String,
  },
  data() {
    const classes = [this.$parent.split, this.className];
    return {
      classes: classes.join(" "),
      percent: 50,
    };
  },
};
</script>

<style lang="scss" scoped>
.splitter-pane.vertical.splitter-paneL {
  position: absolute;
  left: 0px;
  height: 100%;
  padding-right: 3px;
}

.splitter-pane.vertical.splitter-paneR {
  position: absolute;
  right: 0px;
  height: 100%;
  padding-left: 3px;
}

.splitter-pane.horizontal.splitter-paneL {
  position: absolute;
  top: 0px;
  width: 100%;
}

.splitter-pane.horizontal.splitter-paneR {
  position: absolute;
  bottom: 0px;
  width: 100%;
  padding-top: 3px;
}
</style>

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resizer.vue

<template>
  <div :class="classes"></div>
</template>

<script>
export default {
  props: {
    split: {
      validator(value) {
        return ["vertical", "horizontal"].indexOf(value) >= 0;
      },
      required: true,
    },
    className: String,
  },
  computed: {
    classes() {
      const classes = ["splitter-pane-resizer", this.split, this.className];
      return classes.join(" ");
    },
  },
};
</script>

<style lang="scss" scoped>
.splitter-pane-resizer {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  background: #000;
  position: absolute;
  opacity: 0.2;
  z-index: 1;
  -moz-background-clip: padding;
  -webkit-background-clip: padding;
  background-clip: padding-box;
}

.splitter-pane-resizer.horizontal {
  height: 12px;
  margin: -5px 0;
  border-top: 5px solid rgba(255, 255, 255, 0);
  border-bottom: 5px solid rgba(255, 255, 255, 0);
  cursor: row-resize;
  width: 100%;
}

.splitter-pane-resizer.vertical {
  width: 12px;
  height: 100%;
  margin-left: -5px;
  border-left: 5px solid rgba(255, 255, 255, 0);
  border-right: 5px solid rgba(255, 255, 255, 0);
  cursor: col-resize;
}
</style>

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使用方式

<template>
  <div class="components-container">
    <split-pane split="vertical" @resize="resize">
      <template slot="paneL">
        <div class="left-container" />
      </template>
      <template slot="paneR">
        <split-pane split="horizontal">
          <template slot="paneL">
            <split-pane split="vertical">
              <template slot="paneL">
                <div class="top-left-container" />
              </template>
              <template slot="paneR">
                <div class="top-right-container" />
              </template>
            </split-pane>
          </template>
          <template slot="paneR">
            <div class="bottom-container" />
          </template>
        </split-pane>
      </template>
    </split-pane>
  </div>
</template>

<script>
import splitPane from "@/components/ui-split-pane";
export default {
  name: "Workbench_SplitPane",
  components: {
    splitPane,
  },
  methods: {
    resize() {
      console.log("resize");
    },
  },
  mounted() {
    console.log("split pane");
  },
};
</script>

<style lang="scss" scoped>
.components-container {
  position: relative;
  height: 100vh;
}

.left-container {
  background-color: #d5ebe1;
  height: 100%;
}

.right-container {
  background-color: #b1d5c8;
  height: 200px;
}

.top-left-container {
  background-color: #99bcac;
  width: 100%;
  height: 100%;
}

.top-right-container {
  background-color: #80a492;
  width: 100%;
  height: 100%;
}

.bottom-container {
  width: 100%;
  background-color: #95e1d3;
  height: 100%;
}
</style>

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github地址

https://github.com/PanJiaChen/vue-split-pane

How to use?

npm install vue-splitpane

#import
import splitPane from 'vue-splitpane'

# use as global component
Vue.component('split-pane', splitPane);
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Example

<split-pane v-on:resize="resize" :min-percent='20' :default-percent='30' split="vertical">
      <template slot="paneL">
        A
      </template>
      <template slot="paneR">
        B
      </template>
    </split-pane>
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  //nested
   <split-pane v-on:resize="resize" :min-percent='20' :default-percent='30' split="vertical">
      <template slot="paneL">
        A
      </template>
      <template slot="paneR">
        <split-pane split="horizontal">
          <template slot="paneL">
           B
          </template>
          <template slot="paneR">
            C
          </template>
        </split-pane>
      </template>
    </split-pane>
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Options