openmct/src/plugins/plan/inspector/PlanActivitiesView.vue

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<template>
<div class="c-inspector__properties c-inspect-properties">
    <plan-activity-view v-for="activity in activities"
                        :key="activity.id"
                        :activity="activity"
                        :heading="heading"
    />
</div>
</template>

<script>
import PlanActivityView from "./PlanActivityView.vue";
import { getPreciseDuration } from "utils/duration";
import uuid from 'uuid';

const propertyLabels = {
    'start': 'Start DateTime',
    'end': 'End DateTime',
    'duration': 'Duration',
    'earliestStart': 'Earliest Start',
    'latestEnd': 'Latest End',
    'gap': 'Gap',
    'overlap': 'Overlap',
    'totalTime': 'Total Time'
};

export default {
    components: {
        PlanActivityView
    },
    inject: ['openmct', 'selection'],
    data() {
        return {
            name: '',
            activities: [],
            heading: ''
        };
    },
    mounted() {
        this.setFormatters();
        this.getPlanData(this.selection);
        this.getActivities();
        this.openmct.selection.on('change', this.updateSelection);
        this.openmct.time.on('timeSystem', this.setFormatters);
    },
    beforeDestroy() {
        this.openmct.selection.off('change', this.updateSelection);
        this.openmct.time.off('timeSystem', this.setFormatters);
    },
    methods: {
        setFormatters() {
            let timeSystem = this.openmct.time.timeSystem();
            this.timeFormatter = this.openmct.telemetry.getValueFormatter({
                format: timeSystem.timeFormat
            }).formatter;
        },
        updateSelection(newSelection) {
            this.getPlanData(newSelection);
            this.getActivities();
        },
        getPlanData(selection) {
            this.selectedActivities = [];
            selection.forEach((selectionItem) => {
                if (selectionItem[0].context.type === 'activity') {
                    const activity = selectionItem[0].context.activity;
                    if (activity) {
                        this.selectedActivities.push(activity);
                    }
                }
            });
        },
        getActivities() {
            if (this.selectedActivities.length <= 1) {
                this.heading = 'Time';
                this.setSingleActivityProperties();
            } else {
                this.heading = 'Convex Hull';
                this.setMultipleActivityProperties();
            }
        },
        setSingleActivityProperties() {
            this.activities.splice(0);
            this.selectedActivities.forEach((selectedActivity, index) => {
                const activity = {
                    id: uuid(),
                    start: {
                        label: propertyLabels.start,
                        value: this.formatTime(selectedActivity.start)
                    },
                    end: {
                        label: propertyLabels.end,
                        value: this.formatTime(selectedActivity.end)
                    },
                    duration: {
                        label: propertyLabels.duration,
                        value: this.formatDuration(selectedActivity.end - selectedActivity.start)
                    }
                };
                this.$set(this.activities, index, activity);
            });
        },
        sortFn(a, b) {
            const numA = parseInt(a.start, 10);
            const numB = parseInt(b.start, 10);
            if (numA > numB) {
                return 1;
            }

            if (numA < numB) {
                return -1;
            }

            return 0;
        },
        setMultipleActivityProperties() {
            this.activities.splice(0);

            let earliestStart;
            let latestEnd;
            let gap;
            let overlap;

            //Sort by start time
            let selectedActivities = this.selectedActivities.sort(this.sortFn);
            selectedActivities.forEach((selectedActivity, index) => {
                if (selectedActivities.length === 2 && index > 0) {
                    const previous = selectedActivities[index - 1];
                    //they're on different rows so there must be overlap
                    if (previous.end > selectedActivity.start) {
                        overlap = previous.end - selectedActivity.start;
                    } else if (previous.end < selectedActivity.start) {
                        gap = selectedActivity.start - previous.end;
                    }
                }

                if (index > 0) {
                    earliestStart = Math.min(earliestStart, selectedActivity.start);
                    latestEnd = Math.max(latestEnd, selectedActivity.end);
                } else {
                    earliestStart = selectedActivity.start;
                    latestEnd = selectedActivity.end;
                }
            });
            let totalTime = latestEnd - earliestStart;

            const activity = {
                id: uuid(),
                'earliestStart': {
                    label: propertyLabels.earliestStart,
                    value: this.formatTime(earliestStart)
                },
                'latestEnd': {
                    label: propertyLabels.latestEnd,
                    value: this.formatTime(latestEnd)
                }
            };

            if (gap) {
                activity.gap = {
                    label: propertyLabels.gap,
                    value: this.formatDuration(gap)
                };
            } else if (overlap) {
                activity.overlap = {
                    label: propertyLabels.overlap,
                    value: this.formatDuration(overlap)
                };
            }

            activity.totalTime = {
                label: propertyLabels.totalTime,
                value: this.formatDuration(totalTime)
            };

            this.$set(this.activities, 0, activity);
        },
        formatDuration(duration) {
            return getPreciseDuration(duration);
        },
        formatTime(time) {
            return this.timeFormatter.format(time);
        }
    }
};
</script>