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/*****************************************************************************
* Open MCT, Copyright (c) 2014-2021, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
<template>
<div
v-show="isEditing && !isDragging"
class="c-fl-frame__resize-handle"
:class="[orientation]"
@mousedown="mousedown"
></div>
</template>
<script>
export default {
props: {
orientation: {
type: String,
required: true
},
index: {
type: Number,
required: true
},
isEditing: {
type: Boolean,
default: false
}
},
data() {
return {
initialPos: 0,
isDragging: false
};
},
mounted() {
document.addEventListener('dragstart', this.setDragging);
document.addEventListener('dragend', this.unsetDragging);
document.addEventListener('drop', this.unsetDragging);
},
destroyed() {
document.removeEventListener('dragstart', this.setDragging);
document.removeEventListener('dragend', this.unsetDragging);
document.removeEventListener('drop', this.unsetDragging);
},
methods: {
mousedown(event) {
event.preventDefault();
this.$emit('init-move', this.index);
document.body.addEventListener('mousemove', this.mousemove);
document.body.addEventListener('mouseup', this.mouseup);
},
mousemove(event) {
event.preventDefault();
let elSize;
let mousePos;
let delta;
if (this.orientation === 'horizontal') {
elSize = this.$el.getBoundingClientRect().x;
mousePos = event.clientX;
} else {
elSize = this.$el.getBoundingClientRect().y;
mousePos = event.clientY;
}
delta = mousePos - elSize;
this.$emit('move', this.index, delta, event);
},
mouseup(event) {
this.$emit('end-move', event);
document.body.removeEventListener('mousemove', this.mousemove);
document.body.removeEventListener('mouseup', this.mouseup);
},
setDragging(event) {
this.isDragging = true;
},
unsetDragging(event) {
this.isDragging = false;
}
}
};
</script>
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