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script.js
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script.js
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Vue.createApp({
data() {
return {
categories: [
{
name: "Entrées",
image: "category_images/green_chicken.jpg",
toggle: null,
},
{
name: "Appetizers",
image: "category_images/garlic_rosemary.jpg",
toggle: null,
},
{
name: "Breakfast",
image: "category_images/blueberry_muffin.png",
toggle: null,
},
{
name: "Desserts",
image: "category_images/oreo_cookies.jpg",
toggle: null,
},
{
name: "Soup & Sauces",
image: "category_images/broccoli_fennel_soup.jpg",
toggle: null,
},
{
name: "Crockpot",
image: "category_images/steak_chili.png",
toggle: null,
},
{
name: "Drinks",
image: "category_images/mango_mint.jpg",
toggle: null,
},
{
name: "Miscellaneous",
image: "category_images/paleo_bread.jpg",
toggle: null,
},
],
original: [],
recipes: [],
darkmode: true,
setup: false,
current: "home",
rcategory: null,
rtitle: null,
rimage: null,
rnotes: null,
ringredients: null,
rinstructions: null,
select: "",
/* DARK MODE TOGGLE */
darkMode_ENABLED: false
};
},
methods: {
selectCategory(cat) {
this.current = "category";
if (!this.setup) {
fetch("./recipes.json")
.then((res) => res.json())
.then((res) => {
this.original = res.recipes;
this.recipes = this.original.filter(
(o) => o.category === cat
);
this.setup = true;
});
}
else {
this.recipes = [];
this.recipes = this.original.filter((o) => o.category === cat);
}
},
toggle(cat, index) {
if (this.active != null) {
this.categories[this.active].toggle = null;
}
cat.toggle = index;
this.active = index;
this.selectCategory(cat.name);
},
darkMode() {
if (this.darkmode) {
$("body").removeClass("dark");
$("#back button").removeClass("btn-light");
$("#back button").addClass("btn-dark");
this.darkmode = false;
} else {
$("body").addClass("dark");
$("#back button").removeClass("btn-dark");
$("#back button").addClass("btn-light");
this.darkmode = true;
}
},
home() {
this.current = "home";
this.categories[this.active].toggle = null;
this.active = null;
},
averageColor(imageElement) {
// Create the canvas element
var canvas
= document.createElement('canvas'),
// Get the 2D context of the canvas
context
= canvas.getContext &&
canvas.getContext('2d'),
imgData, width, height,
length,
// Define variables for storing
// the individual red, blue and
// green colors
rgb = { r: 0, g: 0, b: 0 },
// Define variable for the
// total number of colors
count = 0;
// Set the height and width equal
// to that of the canvas and the image
height = canvas.height =
imageElement.naturalHeight ||
imageElement.offsetHeight ||
imageElement.height;
width = canvas.width =
imageElement.naturalWidth ||
imageElement.offsetWidth ||
imageElement.width;
// Draw the image to the canvas
context.drawImage(imageElement, 0, 0);
// Get the data of the image
imgData = context.getImageData(
0, 0, width, height);
// Get the length of image data object
length = imgData.data.length;
for (var i = 0; i < length; i += 4) {
// Sum all values of red colour
rgb.r += imgData.data[i];
// Sum all values of green colour
rgb.g += imgData.data[i + 1];
// Sum all values of blue colour
rgb.b += imgData.data[i + 2];
// Increment the total number of
// values of rgb colours
count++;
}
// Find the average of red
rgb.r
= Math.floor(rgb.r / count);
// Find the average of green
rgb.g
= Math.floor(rgb.g / count);
// Find the average of blue
rgb.b
= Math.floor(rgb.b / count);
this.select =
"rgb(" +
rgb.r +
"," +
rgb.g +
"," +
rgb.b +
")";
$("#rec-title").css("color", this.select);
$("#ingredients").css("color", this.select);
$("#instructions").css("color", this.select);
},
showRecipe(recipe) {
this.current = "recipe";
this.rcategory = recipe.category;
this.rtitle = recipe.title;
this.rimage = recipe.image;
this.rnotes = recipe.notes;
this.ringredients = recipe.ingredients;
this.rinstructions = recipe.instructions;
// Function to set the
// color of the texts as
// calculated average color of image
const img = new Image(); // Create new img element
img.addEventListener(
"load",
() => {
this.selectColor = this.averageColor(img);
},
false
);
img.src = this.rimage; // Set source path
},
backToRecipe() {
this.current = "category";
}
}
}).mount("#app");