Add simple notes widget script

community/notes-widget.lua

@@ -0,0 +1,123 @@
+-- name = "Notes"
+-- description = "Notes widget"
+-- type = "widget"
+-- author = "Andrey Gavrilov"
+-- version = "1.0"
+
+local json = require "json"
+
+local diag_id = ""
+local id = 0
+
+function on_alarm()
+    if files:read("notes") == nil then
+        files:write("notes",json.encode({}))
+    end
+    local notes = json.decode(files:read("notes"))
+    local buttons = {}
+    local colors = {}
+    for i,v in ipairs(notes) do
+        local utf8 = require "utf8"
+        local button = utf8.sub(v.text:match("^(.+)\n") or v.text,1,15)
+        table.insert(buttons,button)
+        table.insert(colors,v.color)
+    end
+    local color = ui:get_colors()
+    table.insert(buttons,"+")
+    table.insert(colors,color.secondary_text)
+    ui:show_buttons(buttons,colors)
+end
+
+function on_click(idx)
+    local notes = json.decode(files:read("notes"))
+    if idx > #notes then
+        ui:show_edit_dialog("New note")
+        diag_id = "new"
+    else
+        ui:show_dialog("Note", json.decode(files:read("notes"))[idx].text:replace("\n","<br>"), "Edit", "Delete")
+        diag_id = "read"
+        id = idx
+    end
+end
+
+function on_dialog_action(data)
+    if data ~= -1 then
+        if diag_id == "new" then
+            if data ~= "" then
+                local color = ui:get_colors()
+                local note = {}
+                note.text = data
+                note.color = color.button
+                local notes = json.decode(files:read("notes"))
+                table.insert(notes,note)
+                files:write("notes",json.encode(notes))
+                on_alarm()
+            end
+        elseif diag_id == "read" then
+            if data == 1 then
+                ui:show_edit_dialog("Edit","",json.decode(files:read("notes"))[id].text)
+                diag_id = "edit"
+            else
+                local notes = json.decode(files:read("notes"))
+                table.remove(notes,id)
+                files:write("notes",json.encode(notes))
+                on_alarm()
+            end
+        elseif diag_id == "edit" then
+            if data ~= "" then
+                local notes = json.decode(files:read("notes"))
+                notes[id].text = data
+                files:write("notes",json.encode(notes))
+                on_alarm()
+            end
+        end
+    end
+end
+
+function on_long_click(idx)
+    local notes = json.decode(files:read("notes"))
+    if idx > #notes then
+        return
+    end
+    id = idx
+    ui:show_context_menu({{"angle-left","Up"},{"share-alt","Share"},{"angle-right","Down"},{"circle","Default"},{"circle","Red"},{"circle","Blue"},{"circle","Green"}})
+end
+
+function on_context_menu_click(idx)
+    local md_color = require "md_colors"
+    local color = ui:get_colors()
+    if idx == 1 then
+        move(-1)
+    elseif idx == 2 then
+        system:share_text(json.decode(files:read("notes"))[id].text)
+    elseif idx == 3 then
+        move(1)
+    elseif idx == 4 then
+        update_color(color.button)
+    elseif idx == 5 then
+        update_color(md_color.red_500)
+    elseif idx == 6 then
+        update_color(md_color.blue_500)
+    elseif idx == 7 then
+        update_color(md_color.green_500)
+    end
+end
+
+function update_color(col)
+    local notes = json.decode(files:read("notes"))
+    notes[id].color = col
+    files:write("notes",json.encode(notes))
+    on_alarm()
+end
+
+function move(x)
+    local notes = json.decode(files:read("notes"))
+    if id+x < 1 or id+x > #notes then
+        return
+    end
+    local note = notes[id]
+    table.remove(notes,id)
+    table.insert(notes,id+x,note)
+    files:write("notes",json.encode(notes))
+    on_alarm()
+end