02 - Move and resize events

<script setup>
import { reactive, watch } from 'vue';
import { GridLayout, GridItem } from 'vue-grid-layout-v3';

const state = reactive({
    layout: [
        { x: 0, y: 0, w: 2, h: 2, i: '0', static: false },
        { x: 2, y: 0, w: 2, h: 4, i: '1', static: true },
        { x: 4, y: 0, w: 2, h: 5, i: '2', static: false },
        { x: 6, y: 0, w: 2, h: 3, i: '3', static: false },
        { x: 8, y: 0, w: 2, h: 3, i: '4', static: false },
        { x: 10, y: 0, w: 2, h: 3, i: '5', static: false },
        { x: 0, y: 5, w: 2, h: 5, i: '6', static: false },
        { x: 2, y: 5, w: 2, h: 5, i: '7', static: false },
        { x: 4, y: 5, w: 2, h: 5, i: '8', static: false },
        { x: 6, y: 3, w: 2, h: 4, i: '9', static: true },
        { x: 8, y: 4, w: 2, h: 4, i: '10', static: false },
        { x: 10, y: 4, w: 2, h: 4, i: '11', static: false },
        { x: 0, y: 10, w: 2, h: 5, i: '12', static: false },
        { x: 2, y: 10, w: 2, h: 5, i: '13', static: false },
        { x: 4, y: 8, w: 2, h: 4, i: '14', static: false },
        { x: 6, y: 8, w: 2, h: 4, i: '15', static: false },
        { x: 8, y: 10, w: 2, h: 5, i: '16', static: false },
        { x: 10, y: 4, w: 2, h: 2, i: '17', static: false },
        { x: 0, y: 9, w: 2, h: 3, i: '18', static: false },
        { x: 2, y: 6, w: 2, h: 2, i: '19', static: false },
    ],
    draggable: true,
    resizable: true,
    index: 0,
    eventsDiv: undefined,
    eventLog: [],
});

watch(state.eventLog, () => {
    if (state.eventsDiv) {
        state.eventsDiv.scrollTop = state.eventsDiv.scrollHeight;
    }
}, { deep: true });

function setRef(e) {
    state.eventsDiv = e;
}

function moveEvent(i, newX, newY) {
    const msg = `MOVE i=${i}, X=${newX}, Y=${newY}`;
    state.eventLog.push(msg);
    console.info(msg);
}

function movedEvent(i, newX, newY) {
    const msg = `MOVED i=${i}, X=${newX}, Y=${newY}`;
    state.eventLog.push(msg);
    console.info(msg);
}

function resizeEvent(i, newH, newW, newHPx, newWPx) {
    const msg = `RESIZE i=${i}, H=${newH}, W=${newW}, H(px)=${newHPx}, W(px)=${newWPx}`;
    state.eventLog.push(msg);
    console.info(msg);
}

function resizedEvent(i, newX, newY, newHPx, newWPx) {
    const msg = `RESIZED i=${i}, X=${newX}, Y=${newY}, H(px)=${newHPx}, W(px)=${newWPx}`;
    state.eventLog.push(msg);
    console.info(msg);
}

function containerResizedEvent(i, newH, newW, newHPx, newWPx) {
    const msg = `CONTAINER RESIZED i=${i}, H=${newH}, W=${newW}, H(px)=${newHPx}, W(px)=${newWPx}`;
    state.eventLog.push(msg);
    console.info(msg);
}

function layoutCreatedEvent(newLayout) {
    state.eventLog.push('Created layout');
    console.info('Created layout: ', newLayout);
}

function layoutBeforeMountEvent(newLayout) {
    state.eventLog.push('beforeMount layout');
    console.info('beforeMount layout: ', newLayout);
}

function layoutMountedEvent(newLayout) {
    state.eventLog.push('Mounted layout');
    console.info('Mounted layout: ', newLayout);
}

function layoutReadyEvent(newLayout) {
    state.eventLog.push('Ready layout');
    console.info('Ready layout: ', newLayout);
}

function layoutUpdatedEvent(newLayout) {
    state.eventLog.push('Updated layout');
    console.info('Updated layout: ', newLayout);
}

</script>
<template>
    <div>
        <div :ref="setRef" class="eventsJSON">
            <div v-for="(event, i) in state.eventLog" :key="i">
                {{event}}
            </div>
        </div>
        <div style="margin-top:10px;">
            <GridLayout
                v-model:layout="state.layout"
                :col-num="12"
                :row-height="30"
                :is-draggable="state.draggable"
                :is-resizable="state.resizable"
                :vertical-compact="true"
                :use-css-transforms="true"
                @layout-created="layoutCreatedEvent"
                @layout-before-mount="layoutBeforeMountEvent"
                @layout-mounted="layoutMountedEvent"
                @layout-ready="layoutReadyEvent"
                @layout-updated="layoutUpdatedEvent"
            >
                <GridItem
                    v-for="item in state.layout"
                    :key="item.i"
                    :x="item.x"
                    :y="item.y"
                    :w="item.w"
                    :h="item.h"
                    :i="item.i"
                    @resize="resizeEvent"
                    @move="moveEvent"
                    @resized="resizedEvent"
                    @container-resized="containerResizedEvent"
                    @moved="movedEvent"
                >
                    <span class="text">{{item.i}}</span>
                </GridItem>
            </GridLayout>
        </div>
    </div>
</template>
<style scoped>
.vue-grid-layout {
    background: #eee;
}

.vue-grid-item:not(.vue-grid-placeholder) {
    background: #ccc;
    border: 1px solid black;
}

.vue-grid-item.static {
  background: #cce;
}

.vue-grid-item .text {
    font-size: 24px;
    text-align: center;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    height: 100%;
    width: 100%;
}

.eventsJSON {
    background: #ddd;
    border: 1px solid black;
    margin-top: 10px;
    padding: 10px;
    height: 100px;
    overflow-y: scroll;
}
</style>

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