Adding ability to easily render demo images

This commit is contained in:
Jeff Avallone 2014-12-21 15:22:01 -05:00
parent e466e7e548
commit 55ee380817
7 changed files with 45 additions and 25 deletions

View File

@ -60,12 +60,18 @@ describe('parser/javascript.js', function() {
this.parser.parsed = jasmine.createSpyObj('parsed', ['render']);
this.parser.parsed.render.and.returnValue(this.renderPromise.promise);
this.svgStyles = 'example styles';
this.svg = Snap(document.createElement('svg'));
spyOn(this.svg, 'group').and.returnValue('example group');
});
it('adds the svg styles to the svg element', function() {
this.parser.render(this.svg, this.svgStyles);
expect(this.svg.innerHTML).toEqual('<style type="text/css">example styles</style>');
});
it('render the parsed expression', function() {
this.parser.render(this.svg, 10);
this.parser.render(this.svg, this.svgStyles);
expect(this.parser.parsed.render).toHaveBeenCalledWith('example group');
});
@ -82,7 +88,7 @@ describe('parser/javascript.js', function() {
spyOn(this.svg, 'attr');
this.parser.render(this.svg, 10);
this.parser.render(this.svg, this.svgStyles);
this.renderPromise.resolve(this.result);
setTimeout(done, 10);

View File

@ -378,10 +378,6 @@ describe('regexper.js', function() {
expect(this.regexper._trackEvent).toHaveBeenCalledWith('visualization', 'start');
});
it('adds the svg styles to the svg element', function() {
expect(this.regexper.svg.innerHTML).toEqual('<style type="text/css">example styles</style>');
});
it('keeps a copy of the running parser', function() {
expect(this.regexper.runningParser).toBeTruthy();
});
@ -422,7 +418,7 @@ describe('regexper.js', function() {
});
it('renders the expression', function() {
expect(this.parser.render).toHaveBeenCalledWith(this.regexper.snap, this.regexper.padding);
expect(this.parser.render).toHaveBeenCalledWith(this.regexper.svg, this.regexper.svgStyles);
});
});

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@ -1,3 +1,7 @@
<div class="copy documentation">
TODO: Write documentation
<svg data-expr="test?" xmlns="http://www.w3.org/2000/svg" version="1.1"></svg>
</div>
<script src="/js/main.js" async defer></script>

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@ -1,14 +1,24 @@
import util from './util.js';
import Regexper from './regexper.js';
import Parser from './parser/javascript.js';
import _ from 'lodash';
(function() {
var regexper = new Regexper(document.body);
if (document.body.querySelector('#content .container')) {
var regexper = new Regexper(document.body);
if (document.body.querySelector('#content')) {
regexper.bindListeners();
setTimeout(() => {
window.dispatchEvent(util.customEvent('hashchange'));
});
}
_.each(document.querySelectorAll('svg[data-expr]'), element => {
var parser = new Parser();
parser.parse(element.getAttribute('data-expr'))
.invoke('render', element, document.querySelector('#svg-styles').innerHTML)
.done();
});
}());

View File

@ -1,4 +1,5 @@
import Q from 'q';
import Snap from 'snapsvg';
import javascript from './javascript/parser.js';
@ -30,18 +31,26 @@ export default class Parser {
return deferred.promise;
}
render(svg, padding) {
svg.selectAll('g').remove();
render(svgElement, styles) {
var svg;
svgElement.innerHTML = [
'<style type="text/css">',
styles,
'</style>'
].join('');
svg = Snap(svgElement);
return this.parsed.render(svg.group())
.then(result => {
var box = result.getBBox();
result.transform(Snap.matrix()
.translate(padding - box.x, padding - box.y));
.translate(10 - box.x, 10 - box.y));
svg.attr({
width: box.width + padding * 2,
height: box.height + padding * 2
width: box.width + 20,
height: box.height + 20
});
});
}

View File

@ -1,6 +1,5 @@
import util from './util.js';
import Parser from './parser/javascript.js';
import Snap from 'snapsvg';
import Q from 'q';
export default class Regexper {
@ -13,9 +12,7 @@ export default class Regexper {
this.download = root.querySelector('a[data-glyph="data-transfer-download"]');
this.percentage = root.querySelector('#progress div');
this.svg = root.querySelector('#regexp-render svg');
this.padding = 10;
this.snap = Snap(this.svg);
this.svgStyles = this.root.querySelector('#svg-styles').innerHTML;
this.gaq = (typeof window._gaq === 'undefined') ? [] : window._gaq;
}
@ -141,12 +138,6 @@ export default class Regexper {
this.state = 'is-loading';
this._trackEvent('visualization', 'start');
this.svg.innerHTML = [
'<style type="text/css">',
this.root.querySelector('#svg-styles').innerHTML,
'</style>'
].join('');
this.runningParser = new Parser();
return this.runningParser.parse(expression)
@ -159,7 +150,7 @@ export default class Regexper {
throw message;
})
.invoke('render', this.snap, this.padding)
.invoke('render', this.svg, this.svgStyles)
.then(() => {
this.state = 'has-results';
this.updateLinks();

View File

@ -1,5 +1,9 @@
@import 'base';
svg {
background-color: $white;
}
text, tspan {
font: 12px Arial;
}