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Modeler BPMN Editor

Created 4 years agoDiff never expires

138 removals

899 lines

6 additions

770 lines

/**

* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH

* under one or more contributor license agreements. See the NOTICE file

* distributed with this work for additional information regarding copyright

* ownership.

* Camunda licenses this file to you under the MIT; you may not use this file

* except in compliance with the MIT License.

import React, { Component } from 'react';

import { isFunction } from 'min-dash';

import { Fill } from '../../slot-fill';

import {

Button,

DropdownButton,

Icon,

Loader

} from '../../primitives';

import {

debounce

} from '../../../util';

import {

WithCache,

WithCachedState,

CachedComponent

} from '../../cached';

import PropertiesContainer from '../PropertiesContainer';

import CamundaBpmnModeler from './modeler';

import BpmnModeler from './modeler';

import { active as isInputActive } from '../../../util/dom/isInput';

import getBpmnContextMenu from './getBpmnContextMenu';

import { getBpmnEditMenu } from './getBpmnEditMenu';

import getBpmnWindowMenu from './getBpmnWindowMenu';

import css from './BpmnEditor.less';

import generateImage from '../../util/generateImage';

import applyDefaultTemplates from './modeler/features/apply-default-templates/applyDefaultTemplates';

import {

findUsages as findNamespaceUsages,

replaceUsages as replaceNamespaceUsages

} from '../util/namespace';

import configureModeler from './util/configure';

import Metadata from '../../../util/Metadata';

const NAMESPACE_URL_ACTIVITI = 'http://activiti.org/bpmn';

const NAMESPACE_CAMUNDA = {

uri: 'http://camunda.org/schema/1.0/bpmn',

prefix: 'camunda'

};

const EXPORT_AS = [ 'png', 'jpeg', 'svg' ];

const COLORS = [{

title: 'White',

fill: 'white',

stroke: 'black'

}, {

title: 'Blue',

fill: 'rgb(187, 222, 251)',

stroke: 'rgb(30, 136, 229)'

}, {

title: 'Orange',

fill: 'rgb(255, 224, 178)',

stroke: 'rgb(251, 140, 0)'

}, {

title: 'Green',

fill: 'rgb(200, 230, 201)',

stroke: 'rgb(67, 160, 71)'

}, {

title: 'Red',

fill: 'rgb(255, 205, 210)',

stroke: 'rgb(229, 57, 53)'

}, {

title: 'Purple',

fill: 'rgb(225, 190, 231)',

stroke: 'rgb(142, 36, 170)'

}];

export class BpmnEditor extends CachedComponent {

constructor(props) {

super(props);

this.state = {};

this.ref = React.createRef();

this.propertiesPanelRef = React.createRef();

this.handleResize = debounce(this.handleResize);

}

async componentDidMount() {

this._isMounted = true;

const {

layout

} = this.props;

const modeler = this.getModeler();

this.listen('on');

modeler.attachTo(this.ref.current);

const minimap = modeler.get('minimap');

if (layout.minimap) {

minimap.toggle(layout.minimap && !!layout.minimap.open);

}

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.attachTo(this.propertiesPanelRef.current);

try {

await this.loadTemplates();

} catch (error) {

this.handleError({ error });

}

this.checkImport();

}

componentWillUnmount() {

this._isMounted = false;

const modeler = this.getModeler();

this.listen('off');

modeler.detach();

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.detach();

}

componentDidUpdate(prevProps) {

this.checkImport(prevProps);

if (isCacheStateChanged(prevProps, this.props)) {

this.handleChanged();

}

listen(fn) {

const modeler = this.getModeler();

[

'import.done',

'saveXML.done',

'commandStack.changed',

'selection.changed',

'attach',

'elements.copied',

'propertiesPanel.focusin',

'propertiesPanel.focusout',

'directEditing.activate',

'directEditing.deactivate',

'searchPad.closed',

'searchPad.opened'

].forEach((event) => {

modeler[fn](event, this.handleChanged);

});

modeler[fn]('elementTemplates.errors', this.handleElementTemplateErrors);

modeler[fn]('error', 1500, this.handleError);

modeler[fn]('minimap.toggle', this.handleMinimapToggle);

}

async loadTemplates() {

const { getConfig } = this.props;

const modeler = this.getModeler();

const templatesLoader = modeler.get('elementTemplatesLoader');

const templates = await getConfig('bpmn.elementTemplates');

templatesLoader.setTemplates(templates);

const propertiesPanel = modeler.get('propertiesPanel', false);

if (propertiesPanel) {

const currentElement = propertiesPanel._current && propertiesPanel._current.element;

if (currentElement) {

propertiesPanel.update(currentElement);

}

undo = () => {

const modeler = this.getModeler();

modeler.get('commandStack').undo();

}

redo = () => {

const modeler = this.getModeler();

modeler.get('commandStack').redo();

}

handleAlignElements = (type) => {

this.triggerAction('alignElements', {

type

});

}

handleMinimapToggle = (event) => {

this.handleLayoutChange({

minimap: {

open: event.open

}

});

}

handleElementTemplateErrors = (event) => {

const {

errors

} = event;

errors.forEach(error => {

this.handleError({ error });

});

}

handleError = (event) => {

const {

error

} = event;

const {

onError

} = this.props;

onError(error);

}

handleNamespace = async (xml) => {

const used = findNamespaceUsages(xml, NAMESPACE_URL_ACTIVITI);

if (!used) {

return xml;

}

const shouldConvert = await this.shouldConvert();

if (!shouldConvert) {

return xml;

}

const {

onContentUpdated

} = this.props;

const convertedXML = await replaceNamespaceUsages(xml, used, NAMESPACE_CAMUNDA);

onContentUpdated(convertedXML);

return convertedXML;

}

async shouldConvert() {

const { button } = await this.props.onAction('show-dialog', getNamespaceDialog());

return button === 'yes';

}

handleImport = (error, warnings) => {

const {

isNew,

onImport,

xml

} = this.props;

let {

defaultTemplatesApplied

} = this.getCached();

const modeler = this.getModeler();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (error) {

if (!error) {

this.setCached({

defaultTemplatesApplied: false,

lastXML: null

});

} else {

if (isNew && !defaultTemplatesApplied) {

modeler.invoke(applyDefaultTemplates);

defaultTemplatesApplied = true;

}

this.setCached({

defaultTemplatesApplied,

lastXML: xml,

stackIdx

});

this.setState({

importing: false

});

}

onImport(error, warnings);

}

handleChanged = () => {

const modeler = this.getModeler();

const {

onChanged

} = this.props;

const dirty = this.isDirty();

const commandStack = modeler.get('commandStack');

const selection = modeler.get('selection');

const selectionLength = selection.get().length;

const inputActive = isInputActive();

const newState = {

align: selectionLength > 1,

close: true,

copy: !!selectionLength,

cut: false,

defaultCopyCutPaste: inputActive,

defaultUndoRedo: inputActive,

dirty,

distribute: selectionLength > 2,

editLabel: !inputActive && !!selectionLength,

exportAs: EXPORT_AS,

find: !inputActive,

globalConnectTool: !inputActive,

handTool: !inputActive,

inputActive,

lassoTool: !inputActive,

moveCanvas: !inputActive,

moveToOrigin: !inputActive,

moveSelection: !inputActive && !!selectionLength,

paste: !modeler.get('clipboard').isEmpty(),

propertiesPanel: true,

redo: commandStack.canRedo(),

removeSelected: !!selectionLength || inputActive,

save: true,

selectAll: true,

setColor: !!selectionLength,

spaceTool: !inputActive,

undo: commandStack.canUndo(),

zoom: true

};

// ensure backwards compatibility

// https://github.com/camunda/camunda-modeler/commit/78357e3ed9e6e0255ac8225fbdf451a90457e8bf#diff-bd5be70c4e5eadf1a316c16085a72f0fL17

newState.bpmn = true;

newState.editable = true;

newState.elementsSelected = !!selectionLength;

newState.inactiveInput = !inputActive;

const contextMenu = getBpmnContextMenu(newState);

const editMenu = getBpmnEditMenu(newState);

const windowMenu = getBpmnWindowMenu(newState);

if (isFunction(onChanged)) {

onChanged({

...newState,

contextMenu,

editMenu,

windowMenu

});

}

this.setState(newState);

}

isDirty() {

const {

modeler,

stackIdx

} = this.getCached();

const commandStack = modeler.get('commandStack');

return commandStack._stackIdx !== stackIdx;

}

checkImport(prevProps) {

if (!this.isImportNeeded(prevProps)) {

return;

}

this.importXML();

}

isImportNeeded(prevProps) {

const {

importing

} = this.state;

if (importing) {

return false;

}

const {

xml

} = this.props;

if (prevProps && prevProps.xml === xml) {

return false;

}

const {

lastXML

} = this.getCached();

return xml !== lastXML;

}

async importXML() {

const {

xml

} = this.props;

this.setState({

importing: true

});

const modeler = this.getModeler();

const importedXML = await this.handleNamespace(xml);

let error = null, warnings = null;

try {

const result = await modeler.importXML(importedXML);

const result = await modeler.importXML(xml);

warnings = result.warnings;

} catch (err) {

error = err;

warnings = err.warnings;

}

if (this._isMounted) {

this.handleImport(error, warnings);

}

/**

* @returns {CamundaBpmnModeler}

* @returns {ZeebeModeler}

getModeler() {

const {

modeler

} = this.getCached();

return modeler;

}

async getXML() {

const {

lastXML,

modeler

} = this.getCached();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (!this.isDirty()) {

return lastXML || this.props.xml;

}

try {

const { xml } = await modeler.saveXML({ format: true });

this.setCached({ lastXML: xml, stackIdx });

return xml;

} catch (error) {

this.handleError({ error });

return Promise.reject(error);

}

async exportAs(type) {

const svg = await this.exportSVG();

if (type === 'svg') {

return svg;

}

return generateImage(type, svg);

}

async exportSVG() {

const modeler = this.getModeler();

try {

const { svg } = await modeler.saveSVG();

return svg;

} catch (err) {

return Promise.reject(err);

}

triggerAction = (action, context) => {

const { propertiesPanel: propertiesPanelLayout } = this.props.layout;

const modeler = this.getModeler();

if (action === 'resize') {

return this.handleResize();

}

if (action === 'toggleProperties') {

const newLayout = {

propertiesPanel: {

...propertiesPanelLayout,

open: !propertiesPanelLayout.open

}

};

return this.handleLayoutChange(newLayout);

}

if (action === 'resetProperties') {

const newLayout = {

propertiesPanel: {

width: 250,

open: true

}

};

return this.handleLayoutChange(newLayout);

}

if (action === 'zoomIn') {

action = 'stepZoom';

context = {

value: 1

};

}

if (action === 'zoomOut') {

action = 'stepZoom';

context = {

value: -1

};

}

if (action === 'resetZoom') {

action = 'zoom';

context = {

value: 1

};

}

if (action === 'zoomFit') {

action = 'zoom';

context = {

value: 'fit-viewport'

};

}

if (action === 'elementTemplates.reload') {

return this.loadTemplates();

}

// TODO(nikku): handle all editor actions

return modeler.get('editorActions').trigger(action, context);

modeler.get('editorActions').trigger(action, context);

}

handleSetColor = (fill, stroke) => {

this.triggerAction('setColor', {

fill,

stroke

});

}

handleDistributeElements = (type) => {

this.triggerAction('distributeElements', {

type

});

}

handleContextMenu = (event) => {

const {

onContextMenu

} = this.props;

if (isFunction(onContextMenu)) {

onContextMenu(event);

}

handleLayoutChange(newLayout) {

const {

onLayoutChanged

} = this.props;

if (isFunction(onLayoutChanged)) {

onLayoutChanged(newLayout);

}

handleResize = () => {

const modeler = this.getModeler();

const canvas = modeler.get('canvas');

const eventBus = modeler.get('eventBus');

canvas.resized();

eventBus.fire('propertiesPanel.resized');

}

render() {

const {

layout,

onLayoutChanged

} = this.props;

const imported = this.getModeler().getDefinitions();

const {

importing

} = this.state;

return (

<DropdownButton

title="Set element color"

disabled={ !this.state.setColor }

items={

() => COLORS.map((color, index) => {

const { fill, stroke, title } = color;

return (

<Color

fill={ fill }

key={ index }

stroke={ stroke }

title={ title }

onClick={ () => this.handleSetColor(fill, stroke) } />

);

})

}

</DropdownButton>

</Fill>

<Button

title="Align elements left"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('left') }

</Button>

<Button

title="Align elements center"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('center') }

</Button>

<Button

title="Align elements right"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('right') }

</Button>

<Button

title="Align elements top"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('top') }>

</Button>

<Button

title="Align elements middle"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('middle') }

</Button>

<Button

title="Align elements bottom"

disabled={ !this.state.align }

onClick={ () => this.handleAlignElements('bottom') }

</Button>

</Fill>

<Button

title="Distribute elements horizontally"

disabled={ !this.state.distribute }

onClick={ () => this.handleDistributeElements('horizontal') }

</Button>

<Button

title="Distribute elements vertically"

disabled={ !this.state.distribute }

onClick={ () => this.handleDistributeElements('vertical') }

</Button>

</Fill>

<div

className="diagram"

ref={ this.ref }

onFocus={ this.handleChanged }

onContextMenu={ this.handleContextMenu }

></div>

<PropertiesContainer

className="properties"

layout={ layout }

ref={ this.propertiesPanelRef }

onLayoutChanged={ onLayoutChanged } />

</div>

);

}

static createCachedState(props) {

const {

name,

version

} = Metadata;

const {

getPlugins,

onAction,

onError

} = props;

// notify interested parties that modeler will be configured

const handleMiddlewareExtensions = (middlewares) => {

onAction('emit-event', {

type: 'bpmn.modeler.configure',

payload: {

middlewares

}

});

};

const {

options,

warnings

} = configureModeler(getPlugins, {

exporter: {

name,

version

}, handleMiddlewareExtensions);

if (warnings.length && isFunction(onError)) {

onError(

'Problem(s) configuring BPMN editor: \n\t' +

warnings.map(error => error.message).join('\n\t') +

'\n'

);

}

const modeler = new CamundaBpmnModeler({

const modeler = new BpmnModeler({

...options,

position: 'absolute'

});

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

// notify interested parties that modeler was created

onAction('emit-event', {

type: 'bpmn.modeler.created',

payload: {

modeler

}

});

return {

__destroy: () => {

modeler.destroy();

lastXML: null,

modeler,

namespaceDialogShown: false,

stackIdx

stackIdx,

templatesLoaded: false

};

}

export default WithCache(WithCachedState(BpmnEditor));

class Color extends Component {

render() {

const {

fill,

onClick,

stroke,

title,

...rest

} = this.props;

return (

<div

className={ css.Color }

onClick={ onClick }

style={ {

backgroundColor: fill,

borderColor: stroke

} }

title={ title }

{ ...rest }></div>

);

}

// helpers //////////

function getNamespaceDialog() {

return {

type: 'warning',

title: 'Deprecated <activiti> namespace detected',

buttons: [

{ id: 'cancel', label: 'Cancel' },

{ id: 'yes', label: 'Yes' }

message: 'Would you like to convert your diagram to the <camunda> namespace?',

detail: [

'This will allow you to maintain execution related properties.',

'',

'<camunda> namespace support works from Camunda BPM versions 7.4.0, 7.3.3, 7.2.6 onwards.'

].join('\n')

};

}

function isCacheStateChanged(prevProps, props) {

return prevProps.cachedState !== props.cachedState;

}

保存された差分

原文

Open file

/**
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership.
 *
 * Camunda licenses this file to you under the MIT; you may not use this file
 * except in compliance with the MIT License.
 */

import React, { Component } from 'react';

import { isFunction } from 'min-dash';

import { Fill } from '../../slot-fill';

import {
  Button,
  DropdownButton,
  Icon,
  Loader
} from '../../primitives';

import {
  debounce
} from '../../../util';

import {
  WithCache,
  WithCachedState,
  CachedComponent
} from '../../cached';

import PropertiesContainer from '../PropertiesContainer';

import CamundaBpmnModeler from './modeler';

import { active as isInputActive } from '../../../util/dom/isInput';

import getBpmnContextMenu from './getBpmnContextMenu';

import { getBpmnEditMenu } from './getBpmnEditMenu';

import getBpmnWindowMenu from './getBpmnWindowMenu';

import css from './BpmnEditor.less';

import generateImage from '../../util/generateImage';

import applyDefaultTemplates from './modeler/features/apply-default-templates/applyDefaultTemplates';

import {
  findUsages as findNamespaceUsages,
  replaceUsages as replaceNamespaceUsages
} from '../util/namespace';

import configureModeler from './util/configure';

import Metadata from '../../../util/Metadata';

const NAMESPACE_URL_ACTIVITI = 'http://activiti.org/bpmn';

const NAMESPACE_CAMUNDA = {
  uri: 'http://camunda.org/schema/1.0/bpmn',
  prefix: 'camunda'
};

const EXPORT_AS = [ 'png', 'jpeg', 'svg' ];

const COLORS = [{
  title: 'White',
  fill: 'white',
  stroke: 'black'
}, {
  title: 'Blue',
  fill: 'rgb(187, 222, 251)',
  stroke: 'rgb(30, 136, 229)'
}, {
  title: 'Orange',
  fill: 'rgb(255, 224, 178)',
  stroke: 'rgb(251, 140, 0)'
}, {
  title: 'Green',
  fill: 'rgb(200, 230, 201)',
  stroke: 'rgb(67, 160, 71)'
}, {
  title: 'Red',
  fill: 'rgb(255, 205, 210)',
  stroke: 'rgb(229, 57, 53)'
}, {
  title: 'Purple',
  fill: 'rgb(225, 190, 231)',
  stroke: 'rgb(142, 36, 170)'
}];

export class BpmnEditor extends CachedComponent {

constructor(props) {
    super(props);

this.state = {};

this.ref = React.createRef();
    this.propertiesPanelRef = React.createRef();

this.handleResize = debounce(this.handleResize);
  }

async componentDidMount() {
    this._isMounted = true;

const {
      layout
    } = this.props;

const modeler = this.getModeler();

this.listen('on');

modeler.attachTo(this.ref.current);

const minimap = modeler.get('minimap');

if (layout.minimap) {
      minimap.toggle(layout.minimap && !!layout.minimap.open);
    }

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.attachTo(this.propertiesPanelRef.current);

try {
      await this.loadTemplates();
    } catch (error) {
      this.handleError({ error });
    }

this.checkImport();
  }

componentWillUnmount() {
    this._isMounted = false;

const modeler = this.getModeler();

this.listen('off');

modeler.detach();

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.detach();
  }

componentDidUpdate(prevProps) {
    this.checkImport(prevProps);

if (isCacheStateChanged(prevProps, this.props)) {
      this.handleChanged();
    }
  }

listen(fn) {
    const modeler = this.getModeler();

[
      'import.done',
      'saveXML.done',
      'commandStack.changed',
      'selection.changed',
      'attach',
      'elements.copied',
      'propertiesPanel.focusin',
      'propertiesPanel.focusout',
      'directEditing.activate',
      'directEditing.deactivate',
      'searchPad.closed',
      'searchPad.opened'
    ].forEach((event) => {
      modeler[fn](event, this.handleChanged);
    });

modeler[fn]('elementTemplates.errors', this.handleElementTemplateErrors);

modeler[fn]('error', 1500, this.handleError);

modeler[fn]('minimap.toggle', this.handleMinimapToggle);
  }

async loadTemplates() {
    const { getConfig } = this.props;

const modeler = this.getModeler();

const templatesLoader = modeler.get('elementTemplatesLoader');

const templates = await getConfig('bpmn.elementTemplates');

templatesLoader.setTemplates(templates);

const propertiesPanel = modeler.get('propertiesPanel', false);

if (propertiesPanel) {
      const currentElement = propertiesPanel._current && propertiesPanel._current.element;

if (currentElement) {
        propertiesPanel.update(currentElement);
      }
    }
  }

undo = () => {
    const modeler = this.getModeler();

modeler.get('commandStack').undo();
  }

redo = () => {
    const modeler = this.getModeler();

modeler.get('commandStack').redo();
  }

handleAlignElements = (type) => {
    this.triggerAction('alignElements', {
      type
    });
  }

handleMinimapToggle = (event) => {
    this.handleLayoutChange({
      minimap: {
        open: event.open
      }
    });
  }

handleElementTemplateErrors = (event) => {
    const {
      errors
    } = event;

errors.forEach(error => {
      this.handleError({ error });
    });
  }

handleError = (event) => {
    const {
      error
    } = event;

const {
      onError
    } = this.props;

onError(error);
  }

handleNamespace = async (xml) => {
    const used = findNamespaceUsages(xml, NAMESPACE_URL_ACTIVITI);

if (!used) {
      return xml;
    }

const shouldConvert = await this.shouldConvert();

if (!shouldConvert) {
      return xml;
    }

const {
      onContentUpdated
    } = this.props;

const convertedXML = await replaceNamespaceUsages(xml, used, NAMESPACE_CAMUNDA);

onContentUpdated(convertedXML);

return convertedXML;
  }

async shouldConvert() {
    const { button } = await this.props.onAction('show-dialog', getNamespaceDialog());

return button === 'yes';
  }

handleImport = (error, warnings) => {
    const {
      isNew,
      onImport,
      xml
    } = this.props;

let {
      defaultTemplatesApplied
    } = this.getCached();

const modeler = this.getModeler();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (error) {
      this.setCached({
        defaultTemplatesApplied: false,
        lastXML: null
      });
    } else {

if (isNew && !defaultTemplatesApplied) {
        modeler.invoke(applyDefaultTemplates);

defaultTemplatesApplied = true;
      }

this.setCached({
        defaultTemplatesApplied,
        lastXML: xml,
        stackIdx
      });

this.setState({
        importing: false
      });
    }

onImport(error, warnings);
  }

handleChanged = () => {
    const modeler = this.getModeler();

const {
      onChanged
    } = this.props;

const dirty = this.isDirty();

const commandStack = modeler.get('commandStack');
    const selection = modeler.get('selection');

const selectionLength = selection.get().length;

const inputActive = isInputActive();

const newState = {
      align: selectionLength > 1,
      close: true,
      copy: !!selectionLength,
      cut: false,
      defaultCopyCutPaste: inputActive,
      defaultUndoRedo: inputActive,
      dirty,
      distribute: selectionLength > 2,
      editLabel: !inputActive && !!selectionLength,
      exportAs: EXPORT_AS,
      find: !inputActive,
      globalConnectTool: !inputActive,
      handTool: !inputActive,
      inputActive,
      lassoTool: !inputActive,
      moveCanvas: !inputActive,
      moveToOrigin: !inputActive,
      moveSelection: !inputActive && !!selectionLength,
      paste: !modeler.get('clipboard').isEmpty(),
      propertiesPanel: true,
      redo: commandStack.canRedo(),
      removeSelected: !!selectionLength || inputActive,
      save: true,
      selectAll: true,
      setColor: !!selectionLength,
      spaceTool: !inputActive,
      undo: commandStack.canUndo(),
      zoom: true
    };

// ensure backwards compatibility
    // https://github.com/camunda/camunda-modeler/commit/78357e3ed9e6e0255ac8225fbdf451a90457e8bf#diff-bd5be70c4e5eadf1a316c16085a72f0fL17
    newState.bpmn = true;
    newState.editable = true;
    newState.elementsSelected = !!selectionLength;
    newState.inactiveInput = !inputActive;

const contextMenu = getBpmnContextMenu(newState);

const editMenu = getBpmnEditMenu(newState);

const windowMenu = getBpmnWindowMenu(newState);

if (isFunction(onChanged)) {
      onChanged({
        ...newState,
        contextMenu,
        editMenu,
        windowMenu
      });
    }

this.setState(newState);
  }

isDirty() {
    const {
      modeler,
      stackIdx
    } = this.getCached();

const commandStack = modeler.get('commandStack');

return commandStack._stackIdx !== stackIdx;
  }

checkImport(prevProps) {

if (!this.isImportNeeded(prevProps)) {
      return;
    }

this.importXML();
  }

isImportNeeded(prevProps) {
    const {
      importing
    } = this.state;

if (importing) {
      return false;
    }

const {
      xml
    } = this.props;

if (prevProps && prevProps.xml === xml) {
      return false;
    }

const {
      lastXML
    } = this.getCached();

return xml !== lastXML;
  }

async importXML() {
    const {
      xml
    } = this.props;

this.setState({
      importing: true
    });

const modeler = this.getModeler();

const importedXML = await this.handleNamespace(xml);

let error = null, warnings = null;
    try {

const result = await modeler.importXML(importedXML);
      warnings = result.warnings;
    } catch (err) {

error = err;
      warnings = err.warnings;
    }

if (this._isMounted) {
      this.handleImport(error, warnings);
    }
  }

/**
   * @returns {CamundaBpmnModeler}
   */
  getModeler() {
    const {
      modeler
    } = this.getCached();

return modeler;
  }

async getXML() {
    const {
      lastXML,
      modeler
    } = this.getCached();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (!this.isDirty()) {
      return lastXML || this.props.xml;
    }

try {

const { xml } = await modeler.saveXML({ format: true });

this.setCached({ lastXML: xml, stackIdx });

return xml;
    } catch (error) {

this.handleError({ error });

return Promise.reject(error);
    }
  }

async exportAs(type) {
    const svg = await this.exportSVG();

if (type === 'svg') {
      return svg;
    }

return generateImage(type, svg);
  }

async exportSVG() {
    const modeler = this.getModeler();

try {

const { svg } = await modeler.saveSVG();

return svg;
    } catch (err) {

return Promise.reject(err);
    }
  }

triggerAction = (action, context) => {
    const { propertiesPanel: propertiesPanelLayout } = this.props.layout;
    const modeler = this.getModeler();

if (action === 'resize') {
      return this.handleResize();
    }

if (action === 'toggleProperties') {
      const newLayout = {
        propertiesPanel: {
          ...propertiesPanelLayout,
          open: !propertiesPanelLayout.open
        }
      };

return this.handleLayoutChange(newLayout);
    }

if (action === 'resetProperties') {
      const newLayout = {
        propertiesPanel: {
          width: 250,
          open: true
        }
      };

return this.handleLayoutChange(newLayout);
    }

if (action === 'zoomIn') {
      action = 'stepZoom';

context = {
        value: 1
      };
    }

if (action === 'zoomOut') {
      action = 'stepZoom';

context = {
        value: -1
      };
    }

if (action === 'resetZoom') {
      action = 'zoom';

context = {
        value: 1
      };
    }

if (action === 'zoomFit') {
      action = 'zoom';

context = {
        value: 'fit-viewport'
      };
    }

if (action === 'elementTemplates.reload') {
      return this.loadTemplates();
    }

// TODO(nikku): handle all editor actions
    return modeler.get('editorActions').trigger(action, context);
  }

handleSetColor = (fill, stroke) => {
    this.triggerAction('setColor', {
      fill,
      stroke
    });
  }

handleDistributeElements = (type) => {
    this.triggerAction('distributeElements', {
      type
    });
  }

handleContextMenu = (event) => {

const {
      onContextMenu
    } = this.props;

if (isFunction(onContextMenu)) {
      onContextMenu(event);
    }
  }

handleLayoutChange(newLayout) {
    const {
      onLayoutChanged
    } = this.props;

if (isFunction(onLayoutChanged)) {
      onLayoutChanged(newLayout);
    }
  }

handleResize = () => {
    const modeler = this.getModeler();

const canvas = modeler.get('canvas');
    const eventBus = modeler.get('eventBus');

canvas.resized();
    eventBus.fire('propertiesPanel.resized');
  }

render() {

const {
      layout,
      onLayoutChanged
    } = this.props;

const imported = this.getModeler().getDefinitions();

const {
      importing
    } = this.state;

return (
      <div className={ css.BpmnEditor }>

<Fill slot="toolbar" group="5_color">
          <DropdownButton
            title="Set element color"
            disabled={ !this.state.setColor }
            items={
              () => COLORS.map((color, index) => {
                const { fill, stroke, title } = color;

return (
                  <Color
                    fill={ fill }
                    key={ index }
                    stroke={ stroke }
                    title={ title }
                    onClick={ () => this.handleSetColor(fill, stroke) } />
                );
              })
            }
          >
            <Icon name="set-color-tool" />
          </DropdownButton>
        </Fill>

<Fill slot="toolbar" group="6_align">
          <Button
            title="Align elements left"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('left') }
          >
            <Icon name="align-left-tool" />
          </Button>
          <Button
            title="Align elements center"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('center') }
          >
            <Icon name="align-center-tool" />
          </Button>
          <Button
            title="Align elements right"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('right') }
          >
            <Icon name="align-right-tool" />
          </Button>
          <Button
            title="Align elements top"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('top') }>
            <Icon name="align-top-tool" />
          </Button>
          <Button
            title="Align elements middle"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('middle') }
          >
            <Icon name="align-middle-tool" />
          </Button>
          <Button
            title="Align elements bottom"
            disabled={ !this.state.align }
            onClick={ () => this.handleAlignElements('bottom') }
          >
            <Icon name="align-bottom-tool" />
          </Button>
        </Fill>

<Fill slot="toolbar" group="7_distribute">
          <Button
            title="Distribute elements horizontally"
            disabled={ !this.state.distribute }
            onClick={ () => this.handleDistributeElements('horizontal') }
          >
            <Icon name="distribute-horizontal-tool" />
          </Button>
          <Button
            title="Distribute elements vertically"
            disabled={ !this.state.distribute }
            onClick={ () => this.handleDistributeElements('vertical') }
          >
            <Icon name="distribute-vertical-tool" />
          </Button>
        </Fill>

<PropertiesContainer
          className="properties"
          layout={ layout }
          ref={ this.propertiesPanelRef }
          onLayoutChanged={ onLayoutChanged } />
      </div>
    );
  }

static createCachedState(props) {

const {
      name,
      version
    } = Metadata;

const {
      getPlugins,
      onAction,
      onError
    } = props;

// notify interested parties that modeler will be configured
    const handleMiddlewareExtensions = (middlewares) => {
      onAction('emit-event', {
        type: 'bpmn.modeler.configure',
        payload: {
          middlewares
        }
      });
    };

const {
      options,
      warnings
    } = configureModeler(getPlugins, {
      exporter: {
        name,
        version
      },
    }, handleMiddlewareExtensions);

if (warnings.length && isFunction(onError)) {
      onError(
        'Problem(s) configuring BPMN editor: \n\t' +
        warnings.map(error => error.message).join('\n\t') +
        '\n'
      );
    }

const modeler = new CamundaBpmnModeler({
      ...options,
      position: 'absolute'
    });

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

// notify interested parties that modeler was created
    onAction('emit-event', {
      type: 'bpmn.modeler.created',
      payload: {
        modeler
      }
    });

return {
      __destroy: () => {
        modeler.destroy();
      },
      lastXML: null,
      modeler,
      namespaceDialogShown: false,
      stackIdx,
      templatesLoaded: false
    };
  }

}

export default WithCache(WithCachedState(BpmnEditor));

class Color extends Component {
  render() {
    const {
      fill,
      onClick,
      stroke,
      title,
      ...rest
    } = this.props;

return (
      <div
        className={ css.Color }
        onClick={ onClick }
        style={ {
          backgroundColor: fill,
          borderColor: stroke
        } }
        title={ title }
        { ...rest }></div>
    );
  }
}

// helpers //////////

function getNamespaceDialog() {
  return {
    type: 'warning',
    title: 'Deprecated <activiti> namespace detected',
    buttons: [
      { id: 'cancel', label: 'Cancel' },
      { id: 'yes', label: 'Yes' }
    ],
    message: 'Would you like to convert your diagram to the <camunda> namespace?',
    detail: [
      'This will allow you to maintain execution related properties.',
      '',
      '<camunda> namespace support works from Camunda BPM versions 7.4.0, 7.3.3, 7.2.6 onwards.'
    ].join('\n')
  };
}

function isCacheStateChanged(prevProps, props) {
  return prevProps.cachedState !== props.cachedState;
}

変更されたテキスト

Open file

import React, { Component } from 'react';

import { isFunction } from 'min-dash';

import { Fill } from '../../slot-fill';

import {
  Button,
  DropdownButton,
  Icon,
  Loader
} from '../../primitives';

import {
  debounce
} from '../../../util';

import {
  WithCache,
  WithCachedState,
  CachedComponent
} from '../../cached';

import PropertiesContainer from '../PropertiesContainer';

import BpmnModeler from './modeler';

import { active as isInputActive } from '../../../util/dom/isInput';

import getBpmnContextMenu from './getBpmnContextMenu';

import { getBpmnEditMenu } from './getBpmnEditMenu';

import getBpmnWindowMenu from './getBpmnWindowMenu';

import css from './BpmnEditor.less';

import generateImage from '../../util/generateImage';

import configureModeler from './util/configure';

import Metadata from '../../../util/Metadata';

const EXPORT_AS = [ 'png', 'jpeg', 'svg' ];

export class BpmnEditor extends CachedComponent {

constructor(props) {
    super(props);

this.state = {};

this.ref = React.createRef();
    this.propertiesPanelRef = React.createRef();

this.handleResize = debounce(this.handleResize);
  }

async componentDidMount() {
    this._isMounted = true;

const {
      layout
    } = this.props;

const modeler = this.getModeler();

this.listen('on');

modeler.attachTo(this.ref.current);

const minimap = modeler.get('minimap');

if (layout.minimap) {
      minimap.toggle(layout.minimap && !!layout.minimap.open);
    }

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.attachTo(this.propertiesPanelRef.current);

this.checkImport();
  }

componentWillUnmount() {
    this._isMounted = false;

const modeler = this.getModeler();

this.listen('off');

modeler.detach();

const propertiesPanel = modeler.get('propertiesPanel');

propertiesPanel.detach();
  }

componentDidUpdate(prevProps) {
    this.checkImport(prevProps);

if (isCacheStateChanged(prevProps, this.props)) {
      this.handleChanged();
    }
  }

listen(fn) {
    const modeler = this.getModeler();

modeler[fn]('error', 1500, this.handleError);

modeler[fn]('minimap.toggle', this.handleMinimapToggle);
  }

undo = () => {
    const modeler = this.getModeler();

modeler.get('commandStack').undo();
  }

redo = () => {
    const modeler = this.getModeler();

modeler.get('commandStack').redo();
  }

handleAlignElements = (type) => {
    this.triggerAction('alignElements', {
      type
    });
  }

handleMinimapToggle = (event) => {
    this.handleLayoutChange({
      minimap: {
        open: event.open
      }
    });
  }

handleError = (event) => {
    const {
      error
    } = event;

const {
      onError
    } = this.props;

onError(error);
  }

handleImport = (error, warnings) => {
    const {
      onImport,
      xml
    } = this.props;

const modeler = this.getModeler();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (!error) {

this.setCached({
        lastXML: xml,
        stackIdx
      });

this.setState({
        importing: false
      });
    }

onImport(error, warnings);
  }

handleChanged = () => {
    const modeler = this.getModeler();

const {
      onChanged
    } = this.props;

const dirty = this.isDirty();

const commandStack = modeler.get('commandStack');
    const selection = modeler.get('selection');

const selectionLength = selection.get().length;

const inputActive = isInputActive();

const contextMenu = getBpmnContextMenu(newState);

const editMenu = getBpmnEditMenu(newState);

const windowMenu = getBpmnWindowMenu(newState);

if (isFunction(onChanged)) {
      onChanged({
        ...newState,
        contextMenu,
        editMenu,
        windowMenu
      });
    }

this.setState(newState);
  }

isDirty() {
    const {
      modeler,
      stackIdx
    } = this.getCached();

const commandStack = modeler.get('commandStack');

return commandStack._stackIdx !== stackIdx;
  }

checkImport(prevProps) {

if (!this.isImportNeeded(prevProps)) {
      return;
    }

this.importXML();
  }

isImportNeeded(prevProps) {
    const {
      importing
    } = this.state;

if (importing) {
      return false;
    }

const {
      xml
    } = this.props;

if (prevProps && prevProps.xml === xml) {
      return false;
    }

const {
      lastXML
    } = this.getCached();

return xml !== lastXML;
  }

async importXML() {
    const {
      xml
    } = this.props;

this.setState({
      importing: true
    });

const modeler = this.getModeler();

let error = null, warnings = null;
    try {

const result = await modeler.importXML(xml);
      warnings = result.warnings;
    } catch (err) {

error = err;
      warnings = err.warnings;
    }

if (this._isMounted) {
      this.handleImport(error, warnings);
    }
  }

/**
   * @returns {ZeebeModeler}
   */
  getModeler() {
    const {
      modeler
    } = this.getCached();

return modeler;
  }

async getXML() {
    const {
      lastXML,
      modeler
    } = this.getCached();

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

if (!this.isDirty()) {
      return lastXML || this.props.xml;
    }

try {

const { xml } = await modeler.saveXML({ format: true });

this.setCached({ lastXML: xml, stackIdx });

return xml;
    } catch (error) {

this.handleError({ error });

return Promise.reject(error);
    }
  }

async exportAs(type) {
    const svg = await this.exportSVG();

if (type === 'svg') {
      return svg;
    }

return generateImage(type, svg);
  }

async exportSVG() {
    const modeler = this.getModeler();

try {

const { svg } = await modeler.saveSVG();

return svg;
    } catch (err) {

return Promise.reject(err);
    }
  }

triggerAction = (action, context) => {
    const { propertiesPanel: propertiesPanelLayout } = this.props.layout;
    const modeler = this.getModeler();

if (action === 'resize') {
      return this.handleResize();
    }

if (action === 'toggleProperties') {
      const newLayout = {
        propertiesPanel: {
          ...propertiesPanelLayout,
          open: !propertiesPanelLayout.open
        }
      };

return this.handleLayoutChange(newLayout);
    }

if (action === 'resetProperties') {
      const newLayout = {
        propertiesPanel: {
          width: 250,
          open: true
        }
      };

return this.handleLayoutChange(newLayout);
    }

if (action === 'zoomIn') {
      action = 'stepZoom';

context = {
        value: 1
      };
    }

if (action === 'zoomOut') {
      action = 'stepZoom';

context = {
        value: -1
      };
    }

if (action === 'resetZoom') {
      action = 'zoom';

context = {
        value: 1
      };
    }

if (action === 'zoomFit') {
      action = 'zoom';

context = {
        value: 'fit-viewport'
      };
    }

// TODO(nikku): handle all editor actions
    modeler.get('editorActions').trigger(action, context);
  }

handleSetColor = (fill, stroke) => {
    this.triggerAction('setColor', {
      fill,
      stroke
    });
  }

handleDistributeElements = (type) => {
    this.triggerAction('distributeElements', {
      type
    });
  }

handleContextMenu = (event) => {

const {
      onContextMenu
    } = this.props;

if (isFunction(onContextMenu)) {
      onContextMenu(event);
    }
  }

handleLayoutChange(newLayout) {
    const {
      onLayoutChanged
    } = this.props;

if (isFunction(onLayoutChanged)) {
      onLayoutChanged(newLayout);
    }
  }

handleResize = () => {
    const modeler = this.getModeler();

const canvas = modeler.get('canvas');
    const eventBus = modeler.get('eventBus');

canvas.resized();
    eventBus.fire('propertiesPanel.resized');
  }

render() {

const {
      layout,
      onLayoutChanged
    } = this.props;

const imported = this.getModeler().getDefinitions();

const {
      importing
    } = this.state;

return (
      <div className={ css.BpmnEditor }>

<PropertiesContainer
          className="properties"
          layout={ layout }
          ref={ this.propertiesPanelRef }
          onLayoutChanged={ onLayoutChanged } />
      </div>
    );
  }

static createCachedState(props) {

const {
      name,
      version
    } = Metadata;

const {
      getPlugins,
      onAction,
      onError
    } = props;

const {
      options,
      warnings
    } = configureModeler(getPlugins, {
      exporter: {
        name,
        version
      },
    }, handleMiddlewareExtensions);

const modeler = new BpmnModeler({
      ...options,
      position: 'absolute'
    });

const commandStack = modeler.get('commandStack');

const stackIdx = commandStack._stackIdx;

// notify interested parties that modeler was created
    onAction('emit-event', {
      type: 'bpmn.modeler.created',
      payload: {
        modeler
      }
    });

return {
      __destroy: () => {
        modeler.destroy();
      },
      lastXML: null,
      modeler,
      stackIdx
    };
  }

}

export default WithCache(WithCachedState(BpmnEditor));

class Color extends Component {
  render() {
    const {
      fill,
      onClick,
      stroke,
      title,
      ...rest
    } = this.props;

// helpers //////////

function isCacheStateChanged(prevProps, props) {
  return prevProps.cachedState !== props.cachedState;
}