490 lines
14 KiB
JavaScript
490 lines
14 KiB
JavaScript
import { observes } from "ember-addons/ember-computed-decorators";
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import {
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createPreviewComponent,
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LOREM,
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darkLightDiff
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} from "wizard/lib/preview";
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export default createPreviewComponent(659, 320, {
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logo: null,
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avatar: null,
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@observes("step.fieldsById.homepage_style.value")
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styleChanged() {
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this.triggerRepaint();
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},
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images() {
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return {
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logo: this.get("wizard").getLogoUrl(),
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avatar: "/images/wizard/trout.png"
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};
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},
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paint(ctx, colors, width, height) {
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this.drawFullHeader(colors);
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if (this.get("step.fieldsById.homepage_style.value") === "latest") {
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this.drawPills(colors, height * 0.15);
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this.renderLatest(ctx, colors, width, height);
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} else if (
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["categories_only", "categories_with_featured_topics"].includes(
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this.get("step.fieldsById.homepage_style.value")
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)
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) {
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this.drawPills(colors, height * 0.15, { categories: true });
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this.renderCategories(ctx, colors, width, height);
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} else if (
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["categories_boxes", "categories_boxes_with_topics"].includes(
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this.get("step.fieldsById.homepage_style.value")
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)
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) {
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this.drawPills(colors, height * 0.15, { categories: true });
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const topics =
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this.get("step.fieldsById.homepage_style.value") ===
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"categories_boxes_with_topics";
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this.renderCategoriesBoxes(ctx, colors, width, height, { topics });
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} else {
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this.drawPills(colors, height * 0.15, { categories: true });
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this.renderCategoriesWithTopics(ctx, colors, width, height);
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}
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},
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renderCategoriesBoxes(ctx, colors, width, height, opts) {
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opts = opts || {};
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const borderColor = darkLightDiff(
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colors.primary,
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colors.secondary,
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90,
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-75
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);
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const textColor = darkLightDiff(colors.primary, colors.secondary, 50, 50);
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const margin = height * 0.03;
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const bodyFontSize = height / 440.0;
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const boxHeight = height * 0.7 - margin * 2;
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const descriptions = this.getDescriptions();
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const boxesSpacing = 15;
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const boxWidth = (width - margin * 2 - boxesSpacing * 2) / 3;
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this.categories().forEach((category, index) => {
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const boxStartX = margin + index * boxWidth + index * boxesSpacing;
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const boxStartY = height * 0.33;
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this.drawSquare(
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ctx,
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{ x: boxStartX, y: boxStartY },
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{ x: boxStartX + boxWidth, y: boxStartY + boxHeight },
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[
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{ color: borderColor },
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{ color: borderColor },
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{ color: borderColor },
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{ color: category.color, width: 5 }
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]
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);
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ctx.font = `Bold ${bodyFontSize * 1.3}em 'Arial'`;
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ctx.fillStyle = colors.primary;
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ctx.textAlign = "center";
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ctx.fillText(category.name, boxStartX + boxWidth / 2, boxStartY + 25);
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ctx.textAlign = "left";
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if (opts.topics) {
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let startY = boxStartY + 60;
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this.getTitles().forEach(title => {
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ctx.font = `${bodyFontSize * 1}em 'Arial'`;
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ctx.fillStyle = colors.tertiary;
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startY +=
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this.fillTextMultiLine(
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ctx,
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title.split("\n").join(" "),
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boxStartX + 10,
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startY,
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13,
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boxWidth * 0.95
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) + 8;
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});
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} else {
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ctx.font = `${bodyFontSize * 1}em 'Arial'`;
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ctx.fillStyle = textColor;
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ctx.textAlign = "center";
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this.fillTextMultiLine(
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ctx,
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descriptions[index],
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boxStartX + boxWidth / 2,
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boxStartY + 60,
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13,
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boxWidth * 0.8
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);
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ctx.textAlign = "left";
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}
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});
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},
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renderCategories(ctx, colors, width, height) {
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const textColor = darkLightDiff(colors.primary, colors.secondary, 50, 50);
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const margin = height * 0.03;
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const bodyFontSize = height / 440.0;
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const titles = this.getTitles();
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let categoryHeight = height / 6;
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const drawLine = (x, y) => {
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ctx.beginPath();
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ctx.strokeStyle = darkLightDiff(
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colors.primary,
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colors.secondary,
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90,
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-75
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);
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ctx.moveTo(margin + x, y);
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ctx.lineTo(width - margin, y);
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ctx.stroke();
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};
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const cols = [0.025, 0.45, 0.53, 0.58, 0.94, 0.96].map(c => c * width);
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const headingY = height * 0.33;
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ctx.font = `${bodyFontSize * 0.9}em 'Arial'`;
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ctx.fillStyle = textColor;
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ctx.fillText("Category", cols[0], headingY);
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if (
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this.get("step.fieldsById.homepage_style.value") === "categories_only"
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) {
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ctx.fillText("Topics", cols[4], headingY);
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} else {
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ctx.fillText("Topics", cols[1], headingY);
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ctx.fillText("Latest", cols[2], headingY);
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categoryHeight = height / 5;
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}
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let y = headingY + bodyFontSize * 12;
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ctx.lineWidth = 2;
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drawLine(0, y);
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drawLine(width / 2, y);
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// Categories
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this.categories().forEach(category => {
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const textPos = y + categoryHeight * 0.35;
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ctx.font = `Bold ${bodyFontSize * 1.1}em 'Arial'`;
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ctx.fillStyle = colors.primary;
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ctx.fillText(category.name, cols[0], textPos);
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ctx.font = `${bodyFontSize * 0.8}em 'Arial'`;
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ctx.fillStyle = textColor;
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ctx.fillText(
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titles[0],
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cols[0] - margin * 0.25,
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textPos + categoryHeight * 0.36
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);
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ctx.beginPath();
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ctx.moveTo(margin, y);
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ctx.strokeStyle = category.color;
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ctx.lineWidth = 3.5;
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ctx.lineTo(margin, y + categoryHeight);
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ctx.stroke();
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if (
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this.get("step.fieldsById.homepage_style.value") ===
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"categories_with_featured_topics"
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) {
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ctx.font = `${bodyFontSize}em 'Arial'`;
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ctx.fillText(
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Math.floor(Math.random() * 90) + 10,
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cols[1] + 15,
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textPos
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);
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} else {
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ctx.font = `${bodyFontSize}em 'Arial'`;
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ctx.fillText(Math.floor(Math.random() * 90) + 10, cols[5], textPos);
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}
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y += categoryHeight;
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ctx.lineWidth = 1;
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drawLine(0, y);
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});
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// Featured Topics
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if (
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this.get("step.fieldsById.homepage_style.value") ===
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"categories_with_featured_topics"
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) {
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const topicHeight = height / 15;
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y = headingY + bodyFontSize * 22;
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ctx.lineWidth = 1;
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ctx.fillStyle = colors.tertiary;
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titles.forEach(title => {
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ctx.font = `${bodyFontSize}em 'Arial'`;
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const textPos = y + topicHeight * 0.35;
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ctx.fillStyle = colors.tertiary;
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ctx.fillText(`${title}`, cols[2], textPos);
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y += topicHeight;
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});
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}
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},
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renderCategoriesWithTopics(ctx, colors, width, height) {
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const textColor = darkLightDiff(colors.primary, colors.secondary, 50, 50);
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const margin = height * 0.03;
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const bodyFontSize = height / 440.0;
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const drawLine = (x, y) => {
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ctx.beginPath();
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ctx.strokeStyle = darkLightDiff(
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colors.primary,
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colors.secondary,
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90,
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-75
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);
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ctx.moveTo(margin + x, y);
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ctx.lineTo(margin + x + (width * 0.9) / 2, y);
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ctx.stroke();
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};
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const cols = [0.025, 0.42, 0.53, 0.58, 0.94].map(c => c * width);
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const headingY = height * 0.33;
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ctx.font = `${bodyFontSize * 0.9}em 'Arial'`;
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ctx.fillStyle = textColor;
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ctx.fillText("Category", cols[0], headingY);
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ctx.fillText("Topics", cols[1], headingY);
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if (
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this.get("step.fieldsById.homepage_style.value") ===
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"categories_and_latest_topics"
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) {
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ctx.fillText("Latest", cols[2], headingY);
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} else {
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ctx.fillText("Top", cols[2], headingY);
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}
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let y = headingY + bodyFontSize * 12;
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ctx.lineWidth = 2;
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drawLine(0, y);
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drawLine(width / 2, y);
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const categoryHeight = height / 6;
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const titles = this.getTitles();
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// Categories
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this.categories().forEach(category => {
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const textPos = y + categoryHeight * 0.35;
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ctx.font = `Bold ${bodyFontSize * 1.1}em 'Arial'`;
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ctx.fillStyle = colors.primary;
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ctx.fillText(category.name, cols[0], textPos);
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ctx.font = `${bodyFontSize * 0.8}em 'Arial'`;
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ctx.fillStyle = textColor;
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ctx.fillText(
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titles[0],
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cols[0] - margin * 0.25,
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textPos + categoryHeight * 0.36
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);
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ctx.beginPath();
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ctx.moveTo(margin, y);
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ctx.strokeStyle = category.color;
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ctx.lineWidth = 3.5;
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ctx.lineTo(margin, y + categoryHeight);
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ctx.stroke();
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ctx.font = `${bodyFontSize}em 'Arial'`;
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ctx.fillText(Math.floor(Math.random() * 90) + 10, cols[1] + 15, textPos);
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y += categoryHeight;
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ctx.lineWidth = 1;
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drawLine(0, y);
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});
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// Latest/Top Topics
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const topicHeight = height / 8;
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const avatarSize = topicHeight * 0.7;
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y = headingY + bodyFontSize * 12;
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ctx.lineWidth = 1;
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ctx.fillStyle = textColor;
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titles.forEach(title => {
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const category = this.categories()[0];
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ctx.font = `${bodyFontSize}em 'Arial'`;
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const textPos = y + topicHeight * 0.45;
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ctx.fillStyle = textColor;
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this.scaleImage(
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this.avatar,
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cols[2],
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y + margin * 0.6,
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avatarSize,
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avatarSize
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);
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ctx.fillText(title, cols[3], textPos);
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ctx.font = `Bold ${bodyFontSize}em 'Arial'`;
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ctx.fillText(Math.floor(Math.random() * 90) + 10, cols[4], textPos);
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ctx.font = `${bodyFontSize}em 'Arial'`;
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ctx.fillText(`1h`, cols[4], textPos + topicHeight * 0.4);
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ctx.beginPath();
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ctx.fillStyle = category.color;
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const badgeSize = topicHeight * 0.1;
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ctx.font = `Bold ${bodyFontSize * 0.5}em 'Arial'`;
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ctx.rect(
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cols[3] + margin * 0.5,
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y + topicHeight * 0.65,
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badgeSize,
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badgeSize
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);
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ctx.fill();
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ctx.fillStyle = colors.primary;
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ctx.fillText(
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category.name,
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cols[3] + badgeSize * 3,
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y + topicHeight * 0.76
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);
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y += topicHeight;
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drawLine(width / 2, y);
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});
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},
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getTitles() {
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return LOREM.split(".")
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.slice(0, 8)
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.map(t => t.substring(0, 40));
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},
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getDescriptions() {
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return LOREM.split(".");
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},
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renderLatest(ctx, colors, width, height) {
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const rowHeight = height / 6.6;
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const textColor = darkLightDiff(colors.primary, colors.secondary, 50, 50);
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const bodyFontSize = height / 440.0;
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ctx.font = `${bodyFontSize}em 'Arial'`;
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const margin = height * 0.03;
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const drawLine = y => {
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ctx.beginPath();
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ctx.strokeStyle = darkLightDiff(
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colors.primary,
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colors.secondary,
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90,
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-75
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);
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ctx.moveTo(margin, y);
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ctx.lineTo(width - margin, y);
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ctx.stroke();
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};
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const cols = [0.02, 0.66, 0.8, 0.87, 0.93].map(c => c * width);
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// Headings
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const headingY = height * 0.33;
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ctx.fillStyle = textColor;
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ctx.font = `${bodyFontSize * 0.9}em 'Arial'`;
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ctx.fillText("Topic", cols[0], headingY);
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ctx.fillText("Replies", cols[2], headingY);
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ctx.fillText("Views", cols[3], headingY);
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ctx.fillText("Activity", cols[4], headingY);
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// Topics
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let y = headingY + rowHeight / 2.6;
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ctx.lineWidth = 2;
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drawLine(y);
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ctx.font = `${bodyFontSize}em 'Arial'`;
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ctx.lineWidth = 1;
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this.getTitles().forEach(title => {
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const textPos = y + rowHeight * 0.4;
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ctx.fillStyle = textColor;
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ctx.fillText(title, cols[0], textPos);
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const category = this.categories()[0];
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ctx.beginPath();
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ctx.fillStyle = category.color;
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const badgeSize = rowHeight * 0.15;
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ctx.font = `Bold ${bodyFontSize * 0.75}em 'Arial'`;
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ctx.rect(cols[0] + 4, y + rowHeight * 0.6, badgeSize, badgeSize);
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ctx.fill();
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ctx.fillStyle = colors.primary;
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ctx.fillText(
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category.name,
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cols[0] + badgeSize * 2,
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y + rowHeight * 0.73
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);
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this.scaleImage(
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this.avatar,
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cols[1],
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y + rowHeight * 0.25,
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rowHeight * 0.5,
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rowHeight * 0.5
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);
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ctx.fillStyle = textColor;
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ctx.font = `${bodyFontSize}em 'Arial'`;
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for (let j = 2; j <= 4; j++) {
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ctx.fillText(
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j === 5 ? "1h" : Math.floor(Math.random() * 90) + 10,
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cols[j] + margin,
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y + rowHeight * 0.6
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);
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}
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drawLine(y + rowHeight * 1);
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y += rowHeight;
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});
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},
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fillTextMultiLine(ctx, text, x, y, lineHeight, maxWidth) {
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const words = text.split(" ").filter(f => f);
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let line = "";
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let totalHeight = 0;
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words.forEach(word => {
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if (ctx.measureText(`${line} ${word} `).width >= maxWidth) {
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ctx.fillText(line, x, y + totalHeight);
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totalHeight += lineHeight;
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line = word.trim();
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} else {
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line = `${line} ${word}`.trim();
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}
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});
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ctx.fillText(line, x, y + totalHeight);
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totalHeight += lineHeight;
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return totalHeight;
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},
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// Edges expected in this order: NW to NE -> NE to SE -> SE to SW -> SW to NW
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drawSquare(ctx, from, to, edges = []) {
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const edgeConfiguration = index => {
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const edge = edges[index] || {};
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return {
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width: edge.width || 1,
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color: edge.color || "#333"
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};
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};
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[
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{ from: { x: from.x, y: from.y }, to: { x: to.x, y: from.y } },
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{ from: { x: to.x, y: from.y }, to: { x: to.x, y: to.y } },
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{ from: { x: to.x, y: to.y }, to: { x: from.x, y: to.y } },
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{ from: { x: from.x, y: to.y }, to: { x: from.x, y: from.y } }
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].forEach((path, index) => {
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const configuration = edgeConfiguration(index);
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ctx.beginPath();
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ctx.moveTo(path.from.x, path.from.y);
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ctx.strokeStyle = configuration.color;
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ctx.lineWidth = configuration.width;
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ctx.lineTo(path.to.x, path.to.y);
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ctx.stroke();
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});
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}
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});
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