115 lines
2.7 KiB
JavaScript
115 lines
2.7 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var UpdateTextHandler = require('./cmd/UpdateTextHandler');
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var LabelUtil = require('./LabelUtil'),
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DiUtil = require('../../util/Di');
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var minBounds = {
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width: 150,
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height: 100
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};
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function LabelEditingProvider(eventBus, canvas, directEditing, commandStack) {
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directEditing.registerProvider(this);
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commandStack.registerHandler('bpmnElement.updateText', UpdateTextHandler);
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// per default, listen to double click events
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eventBus.on('shape.dblclick', function(event) {
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directEditing.activate(event.element);
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});
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// per default, listen to double click events
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eventBus.on('connection.dblclick', function(event) {
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directEditing.activate(event.element);
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});
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// intercept direct canvas clicks to deselect all selected shapes
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eventBus.on('canvas.click', function(event) {
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directEditing.complete();
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});
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eventBus.on('canvas.viewbox.changed', function(event) {
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directEditing.complete();
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});
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this._canvas = canvas;
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this._commandStack = commandStack;
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}
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LabelEditingProvider.prototype.activate = function(element) {
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var semantic = element.businessObject,
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di = semantic.di;
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var text = LabelUtil.getLabel(semantic);
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if (text === undefined) {
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return;
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}
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var bbox = this.getEditingBBox(element);
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// adjust for expanded pools / lanes
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if ((semantic.$instanceOf('bpmn:Participant') && DiUtil.isExpandedPool(semantic)) ||
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semantic.$instanceOf('bpmn:Lane')) {
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bbox.width = minBounds.width;
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bbox.height = minBounds.height;
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bbox.x = bbox.x + 10 - bbox.width / 2;
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bbox.y = bbox.mid.y - bbox.height / 2;
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}
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// adjust for sub processes
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if (semantic.$instanceOf('bpmn:SubProcess') && DiUtil.isExpanded(semantic, di)) {
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bbox.height = minBounds.height;
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bbox.x = bbox.mid.x - bbox.width / 2;
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bbox.y = bbox.y + 10 - bbox.height / 2;
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}
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return { bounds: bbox, text: text };
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};
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LabelEditingProvider.prototype.getEditingBBox = function(element, maxBounds) {
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var bbox = this._canvas.getAbsoluteBBox(element.label || element);
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var mid = {
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x: bbox.x + bbox.width / 2,
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y: bbox.y + bbox.height / 2
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};
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bbox.width = Math.max(bbox.width, minBounds.width);
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bbox.height = Math.max(bbox.height, minBounds.height);
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bbox.x = mid.x - bbox.width / 2;
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bbox.y = mid.y - bbox.height / 2;
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bbox.mid = mid;
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return bbox;
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};
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LabelEditingProvider.prototype.update = function(element, newText, oldText) {
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this._commandStack.execute('bpmnElement.updateText', {
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element: element,
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oldText: oldText,
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newText: newText
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});
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};
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LabelEditingProvider.$inject = [ 'eventBus', 'canvas', 'directEditing', 'commandStack' ];
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module.exports = LabelEditingProvider; |