* Drag-drop edit mode from capture handler. Drag-drop composition from bubble handler. Check composability on drag start * Show drop hints without being in edit mode. * Don't serialize objects twice on drag
81 lines
2.5 KiB
Vue
81 lines
2.5 KiB
Vue
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2018, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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<template>
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<div v-show="isValidTarget">
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<div class="c-drop-hint c-drop-hint--always-show"
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:class="{'is-mouse-over': isMouseOver}"
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@dragenter="dragenter"
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@dragleave="dragleave"
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@drop="dropHandler">
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</div>
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</div>
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</template>
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<style lang="scss">
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</style>
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<script>
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export default {
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props:{
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index: Number,
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allowDrop: {
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type: Function,
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required: true
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}
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},
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data() {
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return {
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isMouseOver: false,
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isValidTarget: false
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}
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},
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methods: {
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dragenter() {
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this.isMouseOver = true;
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},
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dragleave() {
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this.isMouseOver = false;
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},
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dropHandler(event) {
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this.$emit('object-drop-to', this.index, event);
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this.isValidTarget = false;
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},
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dragstart(event) {
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this.isValidTarget = this.allowDrop(event, this.index);
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},
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dragend() {
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this.isValidTarget = false;
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}
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},
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mounted() {
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document.addEventListener('dragstart', this.dragstart);
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document.addEventListener('dragend', this.dragend);
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},
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destroyed() {
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document.removeEventListener('dragstart', this.dragstart);
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document.removeEventListener('dragend', this.dragend);
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}
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}
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</script>
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