diff --git a/html/javascript/request.js b/html/javascript/request.js index f0a7022..85435d3 100644 --- a/html/javascript/request.js +++ b/html/javascript/request.js @@ -65,8 +65,8 @@ function show(){ //iterate through the hardcoded device DB and select all the ones that match the selected option for(var i = 0; i < devices.length; i++){ - if((type.localeCompare(devices[i].hardware) == 0 || type.localeCompare(devices[i].software) == 0)) && !isUnavailable(i){ - html += '
' + devices[i].name + '

' + devices[i].description + '


' + if((type.localeCompare(devices[i].hardware) == 0 || type.localeCompare(devices[i].software) == 0) && !isUnavailable(i)){ + html += '
' + devices[i].name + '

' + devices[i].description + '


' } } @@ -132,7 +132,7 @@ function isUnavailable(id){ return 0; else{ for(var i = 0; i < unavailable.length; i++){ - if(unavailable[i] === id) + if(unavailable[i] == (id+1)) return 1; } } diff --git a/html/javascript/shoppingCart.js b/html/javascript/shoppingCart.js index 75f631e..990feb4 100644 --- a/html/javascript/shoppingCart.js +++ b/html/javascript/shoppingCart.js @@ -1,3 +1,8 @@ +//here are all the hardcoded devices + +var array = new Array; +localStorage.setItem('unavailable',JSON.stringify(array)); + var dev1 = { id: 1, name:"George", @@ -46,43 +51,156 @@ var dev6 = { software:"intel", }; -var devices = [dev1, dev2, dev3, dev4, dev5, dev6]; +var devices = [dev1, dev2, dev3, dev4, dev5, dev6]; //put them all into an array +var checked = new Array; //this is the array that will indicate whether a shopping cart item is checked off or not + +//adding event listeners to all the options, such as ordering and deleting +document.getElementById('os').addEventListener('click',orderSelected); +document.getElementById('ds').addEventListener('click',deleteSelected); +document.getElementById('oa').addEventListener('click',orderAll); +document.getElementById('da').addEventListener('click',deleteAll); + +show(); //on load, we want to show everything function getCartItems(){ - //initiate array for them - var cart = new Array; - //get them from local storage - var cart_str = localStorage.getItem('cart'); - //if there is at least one object already we need to convert it from JSON to string - if (cart_str !== null) { + var cart = new Array; //initiate array for them + var cart_str = localStorage.getItem('cart'); //get them from local storage + if (cart_str !== null) { //if there is at least one object already we need to convert it from JSON to string cart = JSON.parse(cart_str); } - return cart; + return cart; //return value is an array } +/** +This function displays a list of devices that a user has currently in their shopping cart. +**/ function show(){ - var cart = getCartItems(); - var html = ''; - if(cart.length !== 0){ - for(var i = 0; i < cart.length; i++){ - var id = cart[i]; //this gets the id value from the cart - for(int j = 0; j < devices.length; j++){ //iterate device list - if(devices[j].id === id){ //match the id's + var cart = getCartItems(); //get all the cart items you want to show + var html = ''; //html string initially empty + if(cart.length !== 0){ //only continue if there are cart items + for(var i = 0; i < cart.length; i++){ //iterate cart + var id = cart[i]; //this gets the id value from the cart + for(var j = 0; j < devices.length; j++){ //iterate device list + if(devices[j].id === id){ //match the id's html += '
' + devices[j].name + '
'; //create listing of all the devices - break; //break out of loop when we match + break; //break out of loop when we match } } } } - else{ - html += 'Shopping cart is empty.'; + else{ //no point in doing all that computing if the list is empty + html += 'Shopping cart is empty.'; //so give a nice error message. + } + + document.getElementById('shoppingContainer').innerHTML = html; //adds what we just generated to the webpage + + var checkboxes = document.getElementsByClassName('deviceCheckbox'); //get all the checkboxes we just placed! + for(var i = 0; i < checkboxes.length; i++){ //iterate them + checkboxes[i].addEventListener('click',changeStatus); //when we click on a checkbox, it should add/remove the id from the selected array + } +} + +/** +When a checkbox is clicked, either a device needs to be checked or unchecked in the shopping cart. This function handles JUST that. +**/ +function changeStatus(){ + var id = this.getAttribute('id'); //get the checkbox's id + if(this.checked == true){ //we just checked it off + checked.push(id); //add item to the selected list + } + else{ //we just unchecked it + for(var i = 0; i < checked.length; i++){ //iterate checked array + if(id == checked[i]) //find the right checkbox + checked.splice(i,1); //remove from the array + } + } +} + +/** +This function takes all the devices we selected and simulates an order on them. +**/ +function orderSelected(){ + var response = confirm("Are you sure you'd like to order the selected items?"); + if(response == true){ //if they confirm + for(var i = 0; i < checked.length; i++){ //iterate all the checked off devices + var id = checked[i]; //get the id of each device + var unavailable = getUnavailableItems(); //get the unavailable items + var cart = getCartItems(); //get the cart + unavailable.push(id); //add to unavailable list + for(var j = 0; j < cart.length; j++){ //iterate cart + if(cart[j] == id) //match id's + cart.splice(j,1); //remove from the cart + } + localStorage.setItem('unavailable', JSON.stringify(unavailable)); //update local storage + localStorage.setItem('cart', JSON.stringify(cart)); //update local storage + } + checked = new Array; //reset the checked off array + show(); //reload the container } +} - document.getElementById('shoppingContainer').innerHTML = html; //adds what we just generated to the webpage +/** +This function takes all the devices we selected and removes them from the shopping cart. +**/ +function deleteSelected(){ + var response = confirm("Are you sure you'd like to remove the selected items from the cart?"); + if(response == true){ //if they confirm + for(var i = 0; i < checked.length; i++){ //iterate all the checked off devices + var id = checked[i]; //get the id of each device + var cart = getCartItems(); //get the cart + for(var j = 0; j < cart.length; j++){ //iterate cart + if(cart[j] == id){ //match ids + cart.splice(j,1); //remove from the cart + } + } + localStorage.setItem('cart', JSON.stringify(cart)); //update local storage + } + checked = new Array; //reset the checked array + show(); //reload the container + } +} - var checkboxes = document.getElementsByClassName('deviceCheckbox'); //get all the checkboxes we just placed! - for(int i = 0; i < checkboxes.length; i++){ - checkboxes[i].addEventListener('click',addToSelected); //when we click on a checkbox, it should add that item to the selected local storage +/** +This function takes all devices in the shopping cart and orders them. +**/ +function orderAll(){ + var response = confirm("Are you sure you'd like to order the selected items?"); + if(response == true){ //if they confirm + var cart = getCartItems(); //get the cart + for(var i = 0; i < cart.length; i++){ //iterate the cart + var id = cart[i]; //get the id of each device + var unavailable = getUnavailableItems(); //get the unavailable items + unavailable.push(id); //add to unavailable list + localStorage.setItem('unavailable', JSON.stringify(unavailable)); //update local storage + } + checked = new Array; //reset the checked off array + cart = new Array; //cart should now be empty, so reset also + localStorage.setItem('cart',JSON.stringify(cart)); //update local storage + show(); //reload container } +} +/** +This function takes all devices in the shopping cart and deletes them. +**/ +function deleteAll(){ + var response = confirm("Are you sure you'd like to order the selected items?"); + if(response == true){ //if they confirm + cart = new Array; //empty cart + localStorage.setItem('cart',JSON.stringify(cart)); //update local storage + checked = new Array; //reset the checked off array + show(); //reload container + } +} + +/** +This function gets unavailable items from local storage. +**/ +function getUnavailableItems(){ + var unavailable = new Array; //make new array + var unavailable_str = localStorage.getItem('unavailable'); //get the string from local storage + if(unavailable_str !== null){ //as long as its not null + unavailable = JSON.parse(unavailable_str); //make into array + } + return unavailable; //return value is an array } \ No newline at end of file diff --git a/html/webpages/shoppingCart.html b/html/webpages/shoppingCart.html index 3a627de..be49018 100644 --- a/html/webpages/shoppingCart.html +++ b/html/webpages/shoppingCart.html @@ -26,6 +26,12 @@ ul.nav{ padding: 0px; } + + div.displayDevice{ + display: inline-block; + position: absolute; + padding-left: 30px; + } @@ -64,8 +70,11 @@

Shopping Cart Options

-
+
+
+
- + + \ No newline at end of file