84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var filter = require('lodash/collection/filter');
|
||
|
|
|
||
|
|
var Elements = require('diagram-js/lib/util/Elements');
|
||
|
|
|
||
|
|
var getLanesRoot = require('../util/LaneUtil').getLanesRoot,
|
||
|
|
getChildLanes = require('../util/LaneUtil').getChildLanes,
|
||
|
|
LANE_INDENTATION = require('../util/LaneUtil').LANE_INDENTATION;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A handler that allows us to add a new lane
|
||
|
|
* above or below an existing one.
|
||
|
|
*
|
||
|
|
* @param {Modeling} modeling
|
||
|
|
*/
|
||
|
|
function AddLaneHandler(modeling, spaceTool) {
|
||
|
|
this._modeling = modeling;
|
||
|
|
this._spaceTool = spaceTool;
|
||
|
|
}
|
||
|
|
|
||
|
|
AddLaneHandler.$inject = [ 'modeling', 'spaceTool' ];
|
||
|
|
|
||
|
|
module.exports = AddLaneHandler;
|
||
|
|
|
||
|
|
|
||
|
|
AddLaneHandler.prototype.preExecute = function(context) {
|
||
|
|
|
||
|
|
var spaceTool = this._spaceTool,
|
||
|
|
modeling = this._modeling;
|
||
|
|
|
||
|
|
var shape = context.shape,
|
||
|
|
location = context.location;
|
||
|
|
|
||
|
|
var lanesRoot = getLanesRoot(shape);
|
||
|
|
|
||
|
|
var isRoot = lanesRoot === shape,
|
||
|
|
laneParent = isRoot ? shape : shape.parent;
|
||
|
|
|
||
|
|
var existingChildLanes = getChildLanes(laneParent);
|
||
|
|
|
||
|
|
// (0) add a lane if we currently got none and are adding to root
|
||
|
|
if (!existingChildLanes.length) {
|
||
|
|
modeling.createShape({ type: 'bpmn:Lane' }, {
|
||
|
|
x: shape.x + LANE_INDENTATION,
|
||
|
|
y: shape.y,
|
||
|
|
width: shape.width - LANE_INDENTATION,
|
||
|
|
height: shape.height
|
||
|
|
}, laneParent);
|
||
|
|
}
|
||
|
|
|
||
|
|
// (1) collect affected elements to create necessary space
|
||
|
|
var allAffected = [];
|
||
|
|
|
||
|
|
Elements.eachElement(lanesRoot, function(element) {
|
||
|
|
allAffected.push(element);
|
||
|
|
|
||
|
|
if (element === shape) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
return filter(element.children, function(c) {
|
||
|
|
return c !== shape;
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
var offset = location === 'top' ? -120 : 120,
|
||
|
|
lanePosition = location === 'top' ? shape.y : shape.y + shape.height,
|
||
|
|
spacePos = lanePosition + (location === 'top' ? 10 : -10),
|
||
|
|
direction = location === 'top' ? 'n' : 's';
|
||
|
|
|
||
|
|
var adjustments = spaceTool.calculateAdjustments(allAffected, 'y', offset, spacePos);
|
||
|
|
|
||
|
|
spaceTool.makeSpace(adjustments.movingShapes, adjustments.resizingShapes, { x: 0, y: offset }, direction);
|
||
|
|
|
||
|
|
// (2) create new lane at open space
|
||
|
|
context.newLane = modeling.createShape({ type: 'bpmn:Lane' }, {
|
||
|
|
x: shape.x + (isRoot ? LANE_INDENTATION : 0),
|
||
|
|
y: lanePosition - (location === 'top' ? 120 : 0),
|
||
|
|
width: shape.width - (isRoot ? LANE_INDENTATION : 0),
|
||
|
|
height: 120
|
||
|
|
}, laneParent);
|
||
|
|
};
|