From 4ff85e2cc130b4010bf1ba9c315e43b9c143b6ba Mon Sep 17 00:00:00 2001
From: Kazhnuz <kazhnuz@kobold.cafe>
Date: Fri, 4 Dec 2020 12:00:43 +0100
Subject: [PATCH] feat: add views for 1D and 2D menus

---
 .../modules/menusystem/menus/utils/view1D.lua | 44 +++++++++++++
 .../modules/menusystem/menus/utils/view2D.lua | 61 +++++++++++++++++++
 2 files changed, 105 insertions(+)
 create mode 100644 birb/modules/menusystem/menus/utils/view1D.lua
 create mode 100644 birb/modules/menusystem/menus/utils/view2D.lua

diff --git a/birb/modules/menusystem/menus/utils/view1D.lua b/birb/modules/menusystem/menus/utils/view1D.lua
new file mode 100644
index 0000000..686dc1e
--- /dev/null
+++ b/birb/modules/menusystem/menus/utils/view1D.lua
@@ -0,0 +1,44 @@
+-- view1D.lua : A basic 1D view for menus.
+-- Must be used as a subobject of a Menu
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local View1D = Object:extend()
+
+function View1D:new(slotNumber)
+    self.slotNumber  = slotNumber
+    self.firstSlot   = 1
+end
+
+function View1D:updateFirstSlot(widgetID)
+    self.firstSlot = math.max(1, widgetID - (self.slotNumber  - 1), math.min(widgetID, self.firstSlot))
+end
+
+function View1D:isBeforeView(x)
+    return (x < self.firstSlot)
+end
+
+function View1D:isAfterView(x)
+    return (x >= (self.firstSlot + self.slotNumber))
+end
+
+return View1D
\ No newline at end of file
diff --git a/birb/modules/menusystem/menus/utils/view2D.lua b/birb/modules/menusystem/menus/utils/view2D.lua
new file mode 100644
index 0000000..0e510bf
--- /dev/null
+++ b/birb/modules/menusystem/menus/utils/view2D.lua
@@ -0,0 +1,61 @@
+-- view2D.lua : A basic 2D view for menus.
+-- Must be used as a subobject of a Menu
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+local View1D = require "birb.modules.menusystem.menus.utils.menumodel"
+local View2D = View1D:extend()
+
+function View2D:new(colNumber, lineNumber)
+  self.colNumber = colNumber
+  self.lineNumber = lineNumber
+  View2D.super.new(self, (colNumber * lineNumber))
+end
+
+function View2D:updateFirstSlot(widgetID)
+  local _, line = self:getCoord(widgetID)
+  local _, beginline = self:getCoord(self.firstSlot)
+
+  beginline = math.min(line, math.max(0, beginline, line - (self.lineNumber - 1)))
+  self.view.firstSlot = (beginline * self.view.colNumber) + 1
+end
+
+-- INFO FUNCTIONS
+-- Get informations
+
+function View2D:getCoord(x)
+  -- On simplifie les calcul en prenant 0 comme départ
+  local x = x - 1
+
+  local line, col
+  line = math.floor(x / self.view.colNumber)
+  col = x - (line * self.view.colNumber)
+
+  return col, line
+end
+
+function View2D:getFromCoord(col, line)
+  local _, beginline = self.view:getCoord(self.view.firstSlot)
+  local line = beginline + line
+  return (line * self.view.colNumber) + col + 1
+end
+
+return View2D