regexper-static/src/js/parser/javascript/regexp.js
2014-12-09 20:08:34 -05:00

76 lines
1.9 KiB
JavaScript

import _ from 'lodash';
import Base from './base.js';
export default _.extend({}, Base, {
type: 'regexp',
render() {
var self = this;
this.matchContainer = this.container.group();
_.each(this.matches(), match => {
match.container = self.matchContainer.group();
match.render();
return match.container;
});
},
position() {
var matches = this.matches(),
includeLines = (matches.length > 1),
containerBox,
paths;
_.invoke(matches, 'position');
this.spaceVertically(matches, {
padding: 5
});
if (includeLines) {
this.matchContainer.transform(Snap.matrix()
.translate(20, 0));
containerBox = this.getBBox();
paths = _.map(matches, match => {
var box = match.getBBox(),
direction = box.cy > containerBox.cy ? 1 : -1,
distance = Math.abs(box.cy - containerBox.cy),
pathStr;
if (distance >= 15) {
pathStr = 'M10,{box.cy}m0,{shift}q0,{curve} 10,{curve}h{box.x}';
} else {
pathStr = 'M0,{containerBox.cy}c20,0 20,{anchor.y} {anchor.x},{anchor.y}';
}
return Snap.format(pathStr, {
containerBox,
box,
shift: -10 * direction,
curve: 10 * direction,
anchor: {
x: box.x + 20,
y: box.cy - containerBox.cy
}
});
});
paths.push(Snap.format('M0,{box.cy}q10,0 10,-10V{top}M0,{box.cy}q10,0 10,10V{bottom}', {
box: containerBox,
top: _.first(matches).getBBox().cy + 10,
bottom: _.last(matches).getBBox().cy - 10
}));
this.container.prepend(this.container.path(paths.join('')));
this.container.prepend(this.container.path(paths.join(''))
.transform(Snap.matrix().scale(-1, 1, containerBox.cx, 0)));
}
},
matches() {
return [this._match].concat(_.map(this._alternates.elements, _.property('match')));
}
});