Vue/Auto scheduling
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Vue
Auto scheduling
Recalculate dependent tasks and links when schedule changes should cascade through a project, with a critical path toggle.
- Demo.vue
- shared/projectData.ts
- shared/useDemoBatchState.ts
src/examples/auto-scheduling/Demo.vue View on GitHub
<script setup lang="ts">
import { ref } from "vue";
import {
defineGanttConfig,
defineGanttTemplates,
VueGantt,
useWorkTime,
type GanttConfigOptions,
type Task,
type VueGanttRef
} from "@dhtmlx/trial-vue-gantt";
import "@dhtmlx/trial-vue-gantt/dist/vue-gantt.css";
import { createProjectData } from "../shared/projectData";
import { useDemoBatchState } from "../shared/useDemoBatchState";
const { tasks, links, data } = useDemoBatchState(createProjectData());
const ganttRef = ref<VueGanttRef | null>(null);
const workTime = useWorkTime(ganttRef);
const plugins = {
auto_scheduling: true,
critical_path: true
};
const config = ref<Partial<GanttConfigOptions>>(
defineGanttConfig({
work_time: true,
auto_scheduling: {
enabled: true,
apply_constraints: false,
gap_behavior: "compress",
schedule_on_parse: true
},
highlight_critical_path: false,
scales: [
{ unit: "year", step: 1, format: "%Y" },
{ unit: "month", step: 1, format: "%F, %Y" },
{ unit: "day", step: 1, format: "%d %M" }
]
})
);
const templates = defineGanttTemplates({
scale_cell_class: (date: Date) => {
return workTime.value.isWorkTime({ date }) ? "" : "weekend";
},
timeline_cell_class: (task: Task, date: Date) => {
return workTime.value.isWorkTime({ date, task }) ? "" : "weekend";
},
parse_date: ((date: unknown) => new Date(date as Date | string | number)) as any,
format_date: ((date: Date) => new Date(date)) as any
});
const toggleCriticalPath = () => {
const nextHighlightState = !config.value.highlight_critical_path;
config.value = {
...config.value,
highlight_critical_path: nextHighlightState
};
};
</script>
<template>
<section class="demo-panel" data-cy="auto-scheduling-demo">
<div class="demo-toolbar">
<button data-cy="auto-toggle-critical" type="button" @click="toggleCriticalPath">
Toggle Critical Path
</button>
</div>
<VueGantt
ref="ganttRef"
class="demo-gantt"
:tasks="tasks"
:links="links"
:plugins="plugins"
:config="config"
:templates="templates"
:data="data"
/>
</section>
</template>
src/examples/shared/projectData.ts View on GitHub
import type { Link, Task } from "@dhtmlx/trial-vue-gantt";
const baseTasks: Task[] = [
{ id: 1, text: "Office itinerancy", type: "project", start_date: new Date(2026, 6, 2), duration: 17, progress: 0.4, parent: 0, open: true },
{ id: 2, text: "Office facing", type: "project", start_date: new Date(2026, 6, 2), duration: 8, progress: 0.6, parent: 1, open: true },
{ id: 3, text: "Furniture installation", type: "project", start_date: new Date(2026, 6, 11), duration: 8, progress: 0.6, parent: 1, open: true },
{ id: 4, text: "The employee relocation", type: "project", start_date: new Date(2026, 6, 13), duration: 5, progress: 0.5, parent: 1, priority: 3, open: true },
{ id: 5, text: "Interior office", type: "task", start_date: new Date(2026, 6, 3), duration: 7, progress: 0.6, parent: 2, priority: 1 },
{ id: 6, text: "Air conditioners check", type: "task", start_date: new Date(2026, 6, 3), duration: 7, progress: 0.6, parent: 2, priority: 2 },
{ id: 7, text: "Workplaces preparation", type: "task", start_date: new Date(2026, 6, 12), duration: 8, progress: 0.6, parent: 3 },
{ id: 8, text: "Preparing workplaces", type: "task", start_date: new Date(2026, 6, 14), duration: 5, progress: 0.5, parent: 4, priority: 1 },
{ id: 9, text: "Workplaces importation", type: "task", start_date: new Date(2026, 6, 21), duration: 4, progress: 0.5, parent: 4 },
{ id: 10, text: "Workplaces exportation", type: "task", start_date: new Date(2026, 6, 27), duration: 3, progress: 0.5, parent: 4, priority: 2 },
{ id: 11, text: "Product launch", type: "project", start_date: new Date(2026, 6, 2), duration: 13, progress: 0.6, parent: 0, open: true },
{ id: 12, text: "Perform Initial testing", type: "task", start_date: new Date(2026, 6, 3), duration: 5, progress: 1, parent: 11 },
{ id: 13, text: "Development", type: "project", start_date: new Date(2026, 6, 3), duration: 11, progress: 0.5, parent: 11, open: true },
{ id: 14, text: "Analysis", type: "task", start_date: new Date(2026, 6, 3), duration: 6, progress: 0.8, parent: 11 },
{ id: 15, text: "Design", type: "project", start_date: new Date(2026, 6, 3), duration: 5, progress: 0.2, parent: 11, open: true },
{ id: 16, text: "Documentation creation", type: "task", start_date: new Date(2026, 6, 3), duration: 7, progress: 0, parent: 11, priority: 1 },
{ id: 17, text: "Develop System", type: "task", start_date: new Date(2026, 6, 3), duration: 2, progress: 1, parent: 13, priority: 2 },
{ id: 25, text: "Beta Release", type: "milestone", start_date: new Date(2026, 6, 6), duration: 0, progress: 0, parent: 13 },
{ id: 18, text: "Integrate System", type: "task", start_date: new Date(2026, 6, 10), duration: 2, progress: 0.8, parent: 13, priority: 3 },
{ id: 19, text: "Test", type: "task", start_date: new Date(2026, 6, 13), duration: 4, progress: 0.2, parent: 13 },
{ id: 20, text: "Marketing", type: "task", start_date: new Date(2026, 6, 13), duration: 4, progress: 0, parent: 13, priority: 1 },
{ id: 21, text: "Design database", type: "task", start_date: new Date(2026, 6, 3), duration: 4, progress: 0.5, parent: 15 },
{ id: 22, text: "Software design", type: "task", start_date: new Date(2026, 6, 3), duration: 4, progress: 0.1, parent: 15, priority: 1 },
{ id: 23, text: "Interface setup", type: "task", start_date: new Date(2026, 6, 3), duration: 5, progress: 0, parent: 15, priority: 1 },
{ id: 24, text: "Release v1.0", type: "milestone", start_date: new Date(2026, 6, 18), duration: 0, progress: 0, parent: 11 }
];
const baseLinks: Link[] = [
{ id: 2, source: 2, target: 3, type: "0" },
{ id: 3, source: 3, target: 4, type: "0" },
{ id: 7, source: 8, target: 9, type: "0" },
{ id: 8, source: 9, target: 10, type: "0" },
{ id: 16, source: 17, target: 25, type: "0" },
{ id: 17, source: 18, target: 19, type: "0" },
{ id: 18, source: 19, target: 20, type: "0" },
{ id: 22, source: 13, target: 24, type: "0" },
{ id: 23, source: 25, target: 18, type: "0" }
];
const cloneDate = (value: Date | undefined): Date | undefined => {
if (value instanceof Date) {
return new Date(value.getTime());
}
return value;
};
const cloneTask = (task: Task): Task => {
const next: Task = { ...task };
next.start_date = cloneDate(task.start_date);
next.end_date = cloneDate(task.end_date);
return next;
};
const cloneLink = (link: Link): Link => ({ ...link });
export function createProjectData() {
return {
tasks: baseTasks.map(cloneTask),
links: baseLinks.map(cloneLink)
};
}
src/examples/shared/useDemoBatchState.ts View on GitHub
import { ref } from "vue";
import type { BatchChanges, Link, Task } from "@dhtmlx/trial-vue-gantt";
import { applyBatchChanges } from "./applyBatchChanges";
export interface DemoDataSet {
tasks: Task[];
links: Link[];
}
export function createBatchSaveData(applyBatch: (changes: BatchChanges) => void) {
return {
batchSave: applyBatch
};
}
export function useDemoBatchState(initialData: DemoDataSet) {
const tasks = ref<Task[]>(initialData.tasks);
const links = ref<Link[]>(initialData.links);
const applyBatch = (changes: BatchChanges) => {
const next = applyBatchChanges(tasks.value, links.value, changes);
tasks.value = next.tasks;
links.value = next.links;
};
return {
tasks,
links,
applyBatch,
data: createBatchSaveData(applyBatch)
};
}