grapesjs
Version:
Free and Open Source Web Builder Framework
64 lines (53 loc) • 1.58 kB
JavaScript
import {on, off} from 'utils/mixins';
module.exports = Backbone.View.extend({
events: {
mousedown: 'startDrag'
},
initialize(o, config = {}) {
this.config = config;
this.endDrag = this.endDrag.bind(this);
this.ppfx = config.pStylePrefix || '';
this.listenTo(this.model, 'destroy remove', this.remove);
},
/**
* Start block dragging
* @private
*/
startDrag(e) {
//Right or middel click
if (e.button !== 0) {
return;
}
if(!this.config.getSorter) {
return;
}
this.config.em.refreshCanvas();
var sorter = this.config.getSorter();
sorter.setDragHelper(this.el, e);
sorter.setDropContent(this.model.get('content'));
sorter.startSort(this.el);
on(document, 'mouseup', this.endDrag);
},
/**
* Drop block
* @private
*/
endDrag(e) {
off(document, 'mouseup', this.endDrag);
const sorter = this.config.getSorter();
// After dropping the block in the canvas the mouseup event is not yet
// triggerd on 'this.doc' and so clicking outside, the sorter, tries to move
// things (throws false positives). As this method just need to drop away
// the block helper I use the trick of 'moved = 0' to void those errors.
sorter.moved = 0;
sorter.endMove();
},
render() {
const el = this.el;
const pfx = this.ppfx;
const className = `${pfx}block`;
el.className += ` ${className} ${pfx}one-bg ${pfx}four-color-h`;
el.innerHTML = `<div class="${className}-label">${this.model.get('label')}</div>`;
return this;
},
});