<template>
<DxDiagram
id="diagram"
ref="diagram"
@request-edit-operation="onRequestEditOperation"
@request-layout-update="onRequestLayoutUpdate"
>
<DxCustomShape
:category="'items'"
:type="'root'"
:base-type="'octagon'"
:default-text="'Development'"
/>
<DxCustomShape
:category="'items'"
:type="'team'"
:base-type="'ellipse'"
:title="'Team'"
:default-text="'Team Name'"
/>
<DxCustomShape
:category="'items'"
:type="'employee'"
:base-type="'rectangle'"
:title="'Employee'"
:default-text="'Employee Name'"
/>
<DxNodes
:data-source="orgItemsDataSource"
:key-expr="'ID'"
:text-expr="'Name'"
:type-expr="'Type'"
:parent-key-expr="'ParentID'"
>
<DxAutoLayout
:type="'tree'"
/>
</DxNodes>
<DxContextToolbox
:shape-icons-per-row="2"
:width="100"
:shapes="['team', 'employee']"
/>
<DxToolbox
:shape-icons-per-row="2"
>
<DxGroup
:title="'Items'"
:shapes="['team', 'employee']"
/>
</DxToolbox>
<DxPropertiesPanel
:visibility="'disabled'"
/>
</DxDiagram>
</template>
<script>
import { DxDiagram, DxCustomShape, DxNodes, DxAutoLayout, DxContextToolbox, DxToolbox, DxPropertiesPanel, DxGroup } from 'devextreme-vue/diagram';
import notify from 'devextreme/ui/notify';
import ArrayStore from 'devextreme/data/array_store';
import service from './data.js';
export default {
components: {
DxDiagram, DxCustomShape, DxNodes, DxAutoLayout, DxContextToolbox, DxToolbox, DxPropertiesPanel, DxGroup
},
data() {
return {
orgItemsDataSource: new ArrayStore({
key: 'ID',
data: service.getOrgItems()
})
};
},
methods: {
showToast(text) {
notify({
position: { at: 'top', my: 'top', of: '#diagram', offset: '0 4' },
message: text,
type: 'warning',
delayTime: 2000
});
},
onRequestLayoutUpdate(e) {
for(var i = 0; i < e.changes.length; i++) {
if(e.changes[i].type === 'remove') {
e.allowed = true;
} else if(e.changes[i].data.ParentID !== undefined && e.changes[i].data.ParentID !== null) {
e.allowed = true;
}
}
},
onRequestEditOperation(e) {
var diagram = this.$refs['diagram'].instance;
var i;
if(e.operation === 'addShape') {
if(e.args.shape.type !== 'employee' && e.args.shape.type !== 'team') {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('You can add only a \'Team\' or \'Employee\' shape.');
}
e.allowed = false;
}
}
else if(e.operation === 'deleteShape') {
if(e.args.shape.type === 'root') {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('You cannot delete the \'Development\' shape.');
}
e.allowed = false;
}
if(e.args.shape.type === 'team') {
for(i = 0; i < e.args.shape.attachedConnectorIds.length; i++) {
if(diagram.getItemById(e.args.shape.attachedConnectorIds[i]).toId != e.args.shape.id) {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('You cannot delete a \'Team\' shape that has a child shape.');
}
e.allowed = false;
break;
}
}
}
}
else if(e.operation === 'resizeShape') {
if(e.args.newSize.width < 1 || e.args.newSize.height < 0.75) {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('The shape size is too small.');
}
e.allowed = false;
}
}
else if(e.operation === 'changeConnection') {
var shapeType = e.args.newShape && e.args.newShape.type;
if(shapeType === 'root' && e.args.connectorPosition === 'end') {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('The \'Development\' shape cannot have an incoming connection.');
}
e.allowed = false;
}
if(shapeType === 'employee' && e.args.connectorPosition === 'start') {
e.allowed = false;
}
}
else if(e.operation === 'changeConnectorPoints') {
if(e.args.newPoints.length > 2) {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('You cannot add points to a connector.');
}
e.allowed = false;
}
}
else if(e.operation === 'beforeChangeShapeText') {
if(e.args.shape.type === 'root') {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('You cannot change the \'Development\' shape\'s text.');
}
e.allowed = false;
}
}
else if(e.operation === 'changeShapeText') {
if(e.args.text === '') {
if(e.reason !== 'checkUIElementAvailability') {
this.showToast('A shape text cannot be empty.');
}
e.allowed = false;
}
}
else if(e.operation === 'beforeChangeConnectorText') {
e.allowed = false;
}
}
}
};
</script>
<style scoped>
#diagram {
height: 600px;
}
</style>
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#app');
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx-diagram.css" />
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import('./index.js');
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app">
</div>
</div>
</body>
</html>
var orgItems = [{
'ID': '106',
'Name': 'Development',
'Type': 'root'
}, {
'ID': '107',
'Name': 'WinForms Team',
'Type': 'team',
'ParentID': '106'
}, {
'ID': '109',
'Name': 'Javascript Team',
'Type': 'team',
'ParentID': '106'
}, {
'ID': '110',
'Name': 'ASP.NET Team',
'Type': 'team',
'ParentID': '106'
}, {
'ID': '112',
'Name': 'Ana Trujillo',
'Type': 'employee',
'ParentID': '107'
}, {
'ID': '113',
'Name': 'Antonio Moreno',
'Type': 'employee',
'ParentID': '107'
}, {
'ID': '115',
'Name': 'Christina Berglund',
'Type': 'employee',
'ParentID': '109'
}, {
'ID': '116',
'Name': 'Hanna Moos',
'Type': 'employee',
'ParentID': '109'
}, {
'ID': '119',
'Name': 'Laurence Lebihan',
'Type': 'employee',
'ParentID': '110'
}, {
'ID': '122',
'Name': 'Patricio Simpson',
'Type': 'employee',
'ParentID': '110'
}, {
'ID': '123',
'Name': 'Francisco Chang',
'Type': 'employee',
'ParentID': '110'
}];
export default {
getOrgItems() {
return orgItems;
}
};
System.config({
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader'
},
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'devextreme-vue': 'npm:devextreme-vue@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js',
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js'
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});