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feat(snapping): add bpmn-specific move snapping

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This commit adds message flow + collaboration specific snapping by
subclassing the diagram-js provided default Snapping implementation.

* Add collaboration snapping
* Rename lib/util/{Name}.js -> lib/util/{Name}Util.js

Closes #255
This commit is contained in:
Nico Rehwaldt
2015-04-27 16:50:09 +02:00
committed by Ricardo Matias
parent d8ef4772cd
commit b233ab957c
21 changed files with 235 additions and 114 deletions
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31
lib/util/ModelUtil.js Normal file
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@ -0,0 +1,31 @@
'use strict';
/**
* Is an element of the given BPMN type?
*
* @param {djs.model.Base|ModdleElement} element
* @param {String} type
*
* @return {Boolean}
*/
function is(element, type) {
var bo = getBusinessObject(element);
return bo && bo.$instanceOf(type);
}
module.exports.is = is;
/**
* Return the business object for a given element.
*
* @param {djs.model.Base|ModdleElement} element
*
* @return {ModdleElement}
*/
function getBusinessObject(element) {
return (element && element.businessObject) || element;
}
module.exports.getBusinessObject = getBusinessObject;