discourse/app/assets/javascripts/wizard/components/theme-preview.js.es6
2016-09-22 09:52:19 -04:00

108 lines
3.2 KiB
JavaScript

import { observes } from 'ember-addons/ember-computed-decorators';
import {
createPreviewComponent,
loadImage,
darkLightDiff,
chooseBrighter,
drawHeader,
LOREM
} from 'wizard/lib/preview';
const LINE_HEIGHT = 12.0;
export default createPreviewComponent(375, 220, {
logo: null,
avatar: null,
@observes('step.fieldsById.theme_id.value')
themeChanged() {
this.triggerRepaint();
},
load() {
return Ember.RSVP.Promise.all([loadImage('/images/wizard/discourse-small.png'),
loadImage('/images/wizard/trout.png')]).then(result => {
this.logo = result[0];
this.avatar = result[1];
});
},
paint(ctx, colors, width, height) {
const headerHeight = height * 0.15;
drawHeader(ctx, colors, width, headerHeight);
const margin = width * 0.02;
const avatarSize = height * 0.1;
// Logo
const headerMargin = headerHeight * 0.2;
const logoHeight = headerHeight - (headerMargin * 2);
const logoWidth = (logoHeight / this.logo.height) * this.logo.width;
ctx.drawImage(this.logo, headerMargin, headerMargin, logoWidth, logoHeight);
// Top right menu
ctx.drawImage(this.avatar, width - avatarSize - headerMargin, headerMargin, avatarSize, avatarSize);
ctx.fillStyle = darkLightDiff(colors.primary, colors.secondary, 45, 55);
ctx.font = "0.75em FontAwesome";
ctx.fillText("\uf0c9", width - (avatarSize * 2) - (headerMargin * 0.5), avatarSize);
ctx.fillText("\uf002", width - (avatarSize * 3) - (headerMargin * 0.5), avatarSize);
// Draw a fake topic
ctx.drawImage(this.avatar, margin, headerHeight + (height * 0.17), avatarSize, avatarSize);
ctx.beginPath();
ctx.fillStyle = colors.primary;
ctx.font = "bold 0.75em 'Arial'";
ctx.fillText("Welcome to Discourse", margin, (height * 0.25));
ctx.font = "0.5em 'Arial'";
let line = 0;
const lines = LOREM.split("\n");
for (let i=0; i<10; i++) {
line = (height * 0.3) + (i * LINE_HEIGHT);
ctx.fillText(lines[i], margin + avatarSize + margin, line);
}
// Reply Button
ctx.beginPath();
ctx.rect(width * 0.57, line + LINE_HEIGHT, width * 0.1, height * 0.07);
ctx.fillStyle = colors.tertiary;
ctx.fill();
ctx.fillStyle = chooseBrighter(colors.primary, colors.secondary);
ctx.font = "8px 'Arial'";
ctx.fillText("Reply", width * 0.595, line + (LINE_HEIGHT * 1.8));
// Icons
ctx.font = "0.5em FontAwesome";
ctx.fillStyle = colors.love;
ctx.fillText("\uf004", width * 0.48, line + (LINE_HEIGHT * 1.8));
ctx.fillStyle = darkLightDiff(colors.primary, colors.secondary, 65, 55);
ctx.fillText("\uf040", width * 0.525, line + (LINE_HEIGHT * 1.8));
// Draw Timeline
const timelineX = width * 0.8;
ctx.beginPath();
ctx.strokeStyle = colors.tertiary;
ctx.lineWidth = 0.5;
ctx.moveTo(timelineX, height * 0.3);
ctx.lineTo(timelineX, height * 0.6);
ctx.stroke();
// Timeline
ctx.beginPath();
ctx.strokeStyle = colors.tertiary;
ctx.lineWidth = 2;
ctx.moveTo(timelineX, height * 0.3);
ctx.lineTo(timelineX, height * 0.4);
ctx.stroke();
ctx.font = "Bold 0.5em Arial";
ctx.fillStyle = colors.primary;
ctx.fillText("1 / 20", timelineX + margin, (height * 0.3) + (margin * 1.5));
}
});