add autocomplete js code

1 files changed, 154 insertions, 0 deletions

diff --git a/wqflask/wqflask/static/new/javascript/search_autocomplete.js b/wqflask/wqflask/static/new/javascript/search_autocomplete.js
new file mode 100644
index 00000000..a68dc655
--- /dev/null
+++ b/wqflask/wqflask/static/new/javascript/search_autocomplete.js
@@ -0,0 +1,154 @@
+        //replace with gn search hints
+        function autocomplete(inp, arr) {
+            /*the autocomplete function takes two arguments,
+            the text field element and an array of possible autocompleted values:*/
+            var currentFocus;
+            /*execute a function when someone writes in the text field:*/
+
+            inp.addEventListener("focus", function(e) {
+                var a, b, i, val = this.value;
+                closeAllLists();
+                currentFocus = -1;
+                a = document.createElement("DIV");
+                a.setAttribute("id", this.id + "autocomplete-list");
+                a.setAttribute("class", "autocomplete-items");
+                this.parentNode.appendChild(a);
+                let historySearch = retrieveSearchHistory().splice(0, 5)
+                let text_title = document.createElement("DIV")
+                text_title.innerHTML = "<strong>RECENT SEARCH</strong><input type='button' value='close_all'>";
+                text_title.setAttribute("class", "recent-search-title")
+                text_title.setAttribute('disabled', true);
+                a.appendChild(text_title);
+                for (i = 0; i < historySearch.length; i++) {
+                    b = document.createElement("DIV");
+                    b.innerHTML = "<span>" + historySearch[i].substr(0, val.length) + "</span>";
+                    b.style.color = "blue";
+                    b.innerHTML += historySearch[i].substr(val.length);
+                    b.innerHTML += "<input type='hidden' value='" + historySearch[i] + "'>";
+                    b.addEventListener("click", function(e) {
+                        inp.value = this.getElementsByTagName("input")[0].value;
+                        closeAllLists();
+                    });
+                    a.appendChild(b);
+
+                }
+            });
+
+
+
+            inp.addEventListener("input", function(e) {
+                var a, b, i, val = this.value;
+                /*close any already open lists of autocompleted values*/
+                closeAllLists();
+                if (!val) { return false; }
+                currentFocus = -1;
+                /*create a DIV element that will contain the items (values):*/
+                a = document.createElement("DIV");
+                a.setAttribute("id", this.id + "autocomplete-list");
+                a.setAttribute("class", "autocomplete-items");
+                /*append the DIV element as a child of the autocomplete container:*/
+                this.parentNode.appendChild(a);
+                /*for each item in the array...*/
+                for (i = 0; i < arr.length; i++) {
+                    /*check if the item starts with the same letters as the text field value:*/
+                    if (arr[i].substr(0, val.length).toUpperCase() == val.toUpperCase()) {
+                        /*create a DIV element for each matching element:*/
+                        b = document.createElement("DIV");
+                        /*make the matching letters bold:*/
+                        b.innerHTML = "<strong>" + arr[i].substr(0, val.length) + "</strong>";
+                        b.innerHTML += arr[i].substr(val.length);
+                        /*insert a input field that will hold the current array item's value:*/
+                        b.innerHTML += "<input type='hidden' value='" + arr[i] + "'>";
+                        /*execute a function when someone clicks on the item value (DIV element):*/
+                        b.addEventListener("click", function(e) {
+                            /*insert the value for the autocomplete text field:*/
+                            inp.value = this.getElementsByTagName("input")[0].value;
+                            /*close the list of autocompleted values,
+                            (or any other open lists of autocompleted values:*/
+                            closeAllLists();
+                        });
+                        a.appendChild(b);
+                    }
+                }
+            });
+            /*execute a function presses a key on the keyboard:*/
+            inp.addEventListener("keydown", function(e) {
+                var x = document.getElementById(this.id + "autocomplete-list");
+                if (x) x = x.getElementsByTagName("div");
+                if (e.keyCode == 40) {
+                    /*If the arrow DOWN key is pressed,
+                    increase the currentFocus variable:*/
+                    currentFocus++;
+                    /*and and make the current item more visible:*/
+                    addActive(x);
+                } else if (e.keyCode == 38) { //up
+                    /*If the arrow UP key is pressed,
+                    decrease the currentFocus variable:*/
+                    currentFocus--;
+                    /*and and make the current item more visible:*/
+                    addActive(x);
+                } else if (e.keyCode == 13) {
+                    /*If the ENTER key is pressed, prevent the form from being submitted,*/
+                    e.preventDefault();
+                    if (currentFocus > -1) {
+                        /*and simulate a click on the "active" item:*/
+                        if (x) x[currentFocus].click();
+                    }
+                }
+            });
+
+            function addActive(x) {
+                /*a function to classify an item as "active":*/
+                if (!x) return false;
+                /*start by removing the "active" class on all items:*/
+                removeActive(x);
+                if (currentFocus >= x.length) currentFocus = 0;
+                if (currentFocus < 0) currentFocus = (x.length - 1);
+                /*add class "autocomplete-active":*/
+                x[currentFocus].classList.add("autocomplete-active");
+            }
+
+            function removeActive(x) {
+                /*a function to remove the "active" class from all autocomplete items:*/
+                for (var i = 0; i < x.length; i++) {
+                    x[i].classList.remove("autocomplete-active");
+                }
+            }
+
+            function closeAllLists(elmnt) {
+                /*close all autocomplete lists in the document,
+                except the one passed as an argument:*/
+                var x = document.getElementsByClassName("autocomplete-items");
+                for (var i = 0; i < x.length; i++) {
+                    if (elmnt != x[i] && elmnt != inp) {
+                        x[i].parentNode.removeChild(x[i]);
+                    }
+                }
+            }
+
+
+
+            /*execute a function when someone clicks in the document:*/
+            document.addEventListener("click", function(e) {
+                closeAllLists(e.target);
+            })
+
+        }
+
+        function retrieveSearchHistory() {
+            let results = JSON.parse(localStorage.getItem("gn_search_history"))
+            return results ? results : []
+        }
+
+
+
+
+
+        function saveBeforeSubmit(new_search) {
+
+            let search = retrieveSearchHistory()
+            search.unshift(new_search)
+
+            localStorage.setItem("gn_search_history", JSON.stringify([...new Set(search)]))
+
+        }
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