X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=public%2Fjavascripts%2Flsl.js;h=7d0c4e03e630921a2743fad380d5f9d0d905ce8b;hb=dfeabddaac016f698fa33d8568131baa761a4c0f;hp=8ecf08e1fb9ae15097133a8d1907943f61fce9c6;hpb=0ddba2456ee68202f1086a8f5db82ac5e2403b6c;p=lsl.git

diff --git a/public/javascripts/lsl.js b/public/javascripts/lsl.js
index 8ecf08e..7d0c4e0 100644
--- a/public/javascripts/lsl.js
+++ b/public/javascripts/lsl.js
@@ -1,20 +1,156 @@
 "use strict";
 (function(){
 var ui_icon_class_re = new RegExp('\\bui-icon-\\S+\\b');
-var uri_base;
-var lists_version;
+var uri_base;   // filled on page load from an HTML attribute
+var lists_version = -1;
 var lists = [];
-var current_list;
+var selected_list;
 
+function add_list_item(data) {
+    var item = $('<li>').addClass('list-item-row').data('item', data);
+    var cb = $('<input type="checkbox">');
+    if (data.done) cb.prop('checked', true);
+    item.append(cb);
+    item.append($('<span class="description">').text(data.description || ''));
+    item.append($('<span class="edit-trigger">').text('…'));
+
+    $('#list-items').append(item).addClass('have-list-items');
+}
+function got_lists_version(new_version) {
+    if (new_version != lists_version)
+        window.setTimeout(load_lists);
+}
+function got_list_version(new_version) {
+    var id_data = selected_list.data('id');
+    if (new_version != id_data.version)
+        window.setTimeout(() => load_list_items(id_data.uri, selected_list));
+}
+function load_list_items(uri, target) {
+    $.get(uri)
+    .done(item_data => {
+        target.data('items', item_data);
+
+        var item_list = $('#list-items').empty().removeClass('have-list-items');
+
+        $.each(item_data.items, (i,item) => {
+            add_list_item(item);
+        });
+
+        got_lists_version(item_data.lists_version);
+    });
+}
+function select_list(new_selected_list) {
+    if (new_selected_list == selected_list)
+        return;
+
+    var id_data = new_selected_list.data('id');
+
+    if (selected_list)
+        selected_list.removeClass('selected');
+    load_list_items(id_data.uri, new_selected_list);
+    selected_list = new_selected_list;
+    selected_list.addClass('selected');
+    $('#selected-list-name').text(id_data.name);
+
+}
 function load_lists() {
-    console.log('TODO');
+    $.get(uri_base + '/api/v1/list')
+    .done(data => {
+        lists_version = data.lists_version;
+
+        if (data.lists.length) {
+            var lists = $('#lists');
+            var new_selected_list;
+
+            $.each(data.lists, (i, list) => {
+                var my_id = 'shopping-list-id'+i;
+                var list_item = $('<li>')
+                    .data('id', list)
+                    .prop('id', my_id)
+                    .text(list.name);
+
+                lists.append(list_item);
+
+                if (!new_selected_list
+                    ||selected_list && selected_list.uri == list.uri)
+                    new_selected_list = list_item;
+
+            });
+
+            select_list(new_selected_list);
+
+            $('#page').addClass('have-lists');
+            selected_list = new_selected_list;
+        }
+        else {
+            $('#page').removeClass('have-lists');
+            selected_list = null;
+        }
+    });
+}
+function new_list_submission_done(data) {
+    if (data.lists_version != lists_version) {
+        load_lists();
+        return;
+    }
+
+    console.log("TODO: easy-add new list");
+
 }
 function handle_new_list_submission(){
     $.post(uri_base + '/api/v1/list',
         JSON.stringify({name:$('input[name="list_name"]').val()}))
-    .done(load_lists);
+    .done(new_list_submission_done);
     return false;
 }
+function new_list_item_submission_done(data) {
+    got_lists_version(data.lists_version);
+    got_list_version(data.list_version);
+
+    var item_data = selected_list.data('items');
+
+    var new_item = {
+        description: $('#new-list-item input[type="text"]').val().trim(),
+        done: $('#new-list-item input[type="checkbox"]').prop('checked'),
+        version: 1,
+    };
+    item_data.items.push(new_item);
+    item_data.version = data.version;
+    add_list_item(new_item);
+
+    $('#new-list-item input').val('');
+}
+function handle_new_list_item_submission(){
+    var description = $('#new-list-item input[type="text"]').val().trim();
+    if (description.length == 0) return;
+
+    var id_data = selected_list.data('id');
+    $.post(id_data.uri,
+        JSON.stringify({
+            description: description,
+            done: $('#new-list-item input[type="checkbox"]').prop('checked')
+        }),
+    )
+    .done(new_list_item_submission_done);
+}
+function handle_list_item_state_changed(ev) {
+    var item = $(ev.target).closest('li');
+    var cb = item.find('input[type="checkbox"]');
+    var item_data = item.data('item');
+
+    $.ajax(item_data.uri,
+        {   type: 'PUT',
+            data: JSON.stringify({
+                version: item_data.version,
+                done: cb.prop('checked')})
+        }
+    )
+    .done(function(resp){
+        item_data.version = resp.version;
+        got_lists_version(resp.lists_version);
+        got_list_version(resp.list_version);
+    });
+}
 $(function(){
     uri_base = $('#page').attr('lsl-uri-base');
     $(document).ajaxStart(function(){
@@ -49,6 +185,18 @@ $(function(){
 
         return true;
     });
+    $('ul#lists').on('click', 'li', ev=>{
+        select_list($(ev.target));
+    });
+    $('#new-list-item button').on('click', handle_new_list_item_submission);
+    $('#new-list-item input').on('keypress', ev => {
+        if (13 == ev.keyCode) {
+            handle_new_list_item_submission();
+            return false;
+        }
+        return true;
+    });
+    $('#list-items').on('change', '.list-item-row input[type="checkbox"]', handle_list_item_state_changed);
     load_lists();
 });
 })();