Add TickTick widget

community/ticktick-app-widget.lua

@@ -0,0 +1,109 @@
+-- name = "TickTick"
+-- description = "AIO Launhcer wrapper for official TickTick app widget"
+-- author = "Evgeny Zobnin (zobnin@gmail.com)"
+-- uses_app = "com.ticktick.task"
+
+local prefs = require "prefs"
+local fmt = require "fmt"
+
+local w_bridge = nil
+local lines = {}
+
+function on_resume()
+    if not widgets:bound(prefs.wid) then
+        setup_app_widget()
+    end
+
+    widgets:request_updates(prefs.wid)
+end
+
+function on_app_widget_updated(bridge)
+    lines = {}
+
+    -- We use dump_tree instead of dump_table because Lua tables
+    -- do not preserve the order of elements (which is important in this case).
+    -- Additionally, the text tree is simply easier to parse.
+    local tree = bridge:dump_tree()
+    local all_lines = extract_list_item_lines(tree)
+    lines = combine_lines(all_lines)
+
+    table.insert(lines, "Add task")
+
+    w_bridge = bridge
+    ui:show_lines(lines)
+end
+
+function on_click(idx)
+    if idx == #lines then
+        -- "Plus" button
+        w_bridge:click("image_3")
+    else
+        -- First task name
+        w_bridge:click("text_2")
+    end
+end
+
+function on_settings()
+    w_bridge:click("text_1")
+end
+
+-- Extract all elements with a nesting level of 6 (task texts and dates)
+function extract_list_item_lines(str)
+    for line in str:gmatch("[^\n]+") do
+        if line:match("^%s%s%s%s%s%s%s%s%s%s%s%s") then
+            table.insert(lines, extract_text_after_colon(line))
+        end
+    end
+    return lines
+end
+
+-- Tasks list elements in the the dump are separated by a 1x1 image,
+-- so we can use it to understand where one task ends and another begins.
+function combine_lines(lines)
+    local result = {}
+    local temp_lines = {}
+
+    for i, line in ipairs(lines) do
+        if line == "1x1" then
+            if #temp_lines > 0 then
+                table.insert(result, concat_lines(temp_lines))
+                temp_lines = {}
+            end
+        else
+            table.insert(temp_lines, line)
+        end
+    end
+
+    if #temp_lines > 0 then
+        table.insert(result, concat_lines(temp_lines))
+    end
+
+    return result
+end
+
+-- The text and date of a task in the dump appear consecutively,
+-- and we need to combine them, keeping in mind that the date might be absent.
+function concat_lines(lines)
+    if lines[1] then
+        lines[1] = fmt.primary(lines[1])
+    end
+
+    if lines[2] then
+        lines[2] = fmt.secondary(lines[2])
+    end
+
+    return table.concat(lines, fmt.secondary(" - "))
+end
+
+function extract_text_after_colon(text)
+    return text:match(":%s*(.*)")
+end
+
+function setup_app_widget()
+    local id = widgets:setup("com.ticktick.task/com.ticktick.task.activity.widget.GoogleTaskAppWidgetProviderLarge")
+    if (id ~= nil) then
+        prefs.wid = id
+    else
+        ui:show_text("Can't add widget")
+    end
+end