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<!--
Nextcloud - Tasks
@author Raimund Schlüßler
@copyright 2018 Raimund Schlüßler <raimund.schluessler@mailbox.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
License as published by the Free Software Foundation; either
version 3 of the License, or any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU AFFERO GENERAL PUBLIC LICENSE for more details.
You should have received a copy of the GNU Affero General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
-->
<template>
<draggable tag="ol"
:list="['']"
:set-data="setDragData"
v-bind="{group: 'tasks', swapThreshold: 0.30, delay: 500, delayOnTouchOnly: true, touchStartThreshold: 3, disabled: disabled, filter: '.readOnly'}"
:move="onMove"
@add="onAdd">
<slot />
</draggable>
</template>
<script>
import draggable from 'vuedraggable'
import { mapGetters, mapActions } from 'vuex'
export default {
components: {
draggable,
},
props: {
disabled: {
type: Boolean,
default: false,
},
},
computed: {
...mapGetters({
getCalendar: 'getCalendarById',
getTask: 'getTaskByUri',
}),
},
methods: {
...mapActions([
'moveTask',
'setPriority',
'setPercentComplete',
'setDate',
]),
setDragData: (dataTransfer) => {
// We do nothing here, this just prevents
// vue.draggable from setting data on the
// dataTransfer object.
},
/**
* Called when a task is dropped.
*
* @param {Object} $event The event which caused the drop
*/
onAdd($event) {
let task
// The task to move
const taskAttribute = $event.item.attributes['task-id']
if (taskAttribute) {
task = this.getTask(taskAttribute.value)
}
// Move the task to a new calendar or parent.
this.prepareMoving(task, $event)
this.prepareCollecting(task, $event)
$event.stopPropagation()
},
/**
* Called when a task is moved.
* We check here if drop onto the target is allowed.
*
* Dropping tasks with class not PUBLIC onto calendars shared with me
* is forbidden.
*
* @param {Object} $event The event which caused the move
* @returns {Boolean} If the drop is allowed
*/
onMove($event) {
// The task to move
const taskAttribute = $event.dragged.attributes['task-id']
if (taskAttribute) {
const task = this.getTask(taskAttribute.value)
if (task.class === 'PUBLIC') {
return true
}
let calendar
const calendarAttribute = $event.to.attributes['calendar-id']
if (calendarAttribute) {
calendar = this.getCalendar(calendarAttribute.value)
}
if (!calendar) {
const parentAttribute = $event.to.attributes['task-id']
if (parentAttribute) {
const parent = this.getTask(parentAttribute.value)
// If we move to a parent task, the calendar has to be the parents calendar.
calendar = parent.calendar
}
}
if (calendar && calendar.isSharedWithMe) {
return false
}
}
return true
},
/**
* Function to move a task to a new calendar or parent
*
* @param {Task} task The task to change
* @param {Object} $event The event which caused the move
*/
prepareMoving(task, $event) {
let parent, calendar
// The new calendar --> make the moved task a root task
const calendarAttribute = $event.to.attributes['calendar-id']
if (calendarAttribute) {
calendar = this.getCalendar(calendarAttribute.value)
}
// The new parent task --> make the moved task a subtask
const parentAttribute = $event.to.attributes['task-id']
if (parentAttribute) {
parent = this.getTask(parentAttribute.value)
// If we move to a parent task, the calendar has to be the parents calendar.
calendar = parent.calendar
}
// If no calendar is given (e.g. in week collection), the calendar is unchanged.
if (!calendar) {
calendar = task.calendar
}
// Move the task to the appropriate calendar and parent.
this.moveTask({ task, calendar, parent })
},
/**
* Function to add a task to a collection.
*
* @param {Task} task The task to change
* @param {Object} $event The event which caused the change
*/
prepareCollecting(task, $event) {
// The new collection --> make the moved task a member of this collection
// This is necessary for the collections {starred, today, completed, uncompleted and week}
const collectionAttribute = $event.to.attributes['collection-id']
if (collectionAttribute) {
let collectionId = collectionAttribute.value
// Split the collectionId in case we deal with 'week-x'
collectionId = collectionId.split('-')
switch (collectionId[0]) {
case 'starred':
this.setPriority({ task, priority: 1 })
break
case 'completed':
this.setPercentComplete({ task, complete: 100 })
break
case 'uncompleted':
if (task.completed) {
this.setPercentComplete({ task, complete: 0 })
}
break
case 'today':
this.setDate({ task, day: 0 })
break
case 'week':
this.setDate({ task, day: collectionId[1] })
break
}
}
},
},
}
</script>
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