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127 lines
2.8 KiB
Lua
127 lines
2.8 KiB
Lua
local event = require("event.event")
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local helper = require("druid.helper")
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---@class druid.widget.property_slider: druid.widget
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---@field root node
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---@field container druid.container
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---@field druid druid.instance
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---@field text_name druid.text
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---@field text_value druid.text
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---@field slider druid.slider
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---@field on_change_value event fun(value:number)
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local M = {}
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function M:init()
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self.root = self:get_node("root")
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self.selected = self:get_node("selected")
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gui.set_alpha(self.selected, 0)
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self._value = 0
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self.min = 0
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self.max = 1
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self.step = 0.01
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self.text_name = self.druid:new_text("text_name")
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:set_text_adjust("scale_then_trim", 0.3)
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self.text_value = self.druid:new_text("text_value")
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self.slider = self.druid:new_slider("slider_pin", vmath.vector3(55, 0, 0), self.update_value) --[[@as druid.slider]]
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self.slider:set_input_node("slider")
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self:set_text_function(function(value)
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return math.floor(value * 100) .. "%"
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end)
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self.container = self.druid:new_container(self.root)
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self.container:add_container("text_name")
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self.container:add_container("E_Anchor")
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self.on_change_value = event.create()
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end
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---@param callback fun(value:number):string
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function M:set_text_function(callback)
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self._text_function = callback
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self.text_value:set_text(self._text_function(self._value))
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end
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---Sets the text property of the slider
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---@param text string
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function M:set_text_property(text)
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self.text_name:set_text(text)
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end
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---Sets the callback function for when the slider value changes
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---@param callback fun(value:number)
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function M:on_change(callback)
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self.on_change_value:subscribe(callback)
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end
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---@param value number
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function M:set_value(value, is_instant)
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local diff = math.abs(self.max - self.min)
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self.slider:set((value - self.min) / diff, true)
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local is_changed = self._value ~= value
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if not is_changed then
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return
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end
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self._value = value
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self.text_value:set_text(self._text_function(value))
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self.on_change_value:trigger(value)
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if not is_instant then
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gui.set_alpha(self.selected, 1)
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gui.animate(self.selected, "color.w", 0, gui.EASING_INSINE, 0.16)
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end
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end
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---@return number
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function M:get_value()
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return self._value
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end
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function M:update_value(value)
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local current_value = self._value
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local diff = math.abs(self.max - self.min)
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-- [0..1] To range
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value = value * diff + self.min
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-- Round to steps value (0.1, or 5. Should be divided on this value)
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value = math.floor(value / self.step + 0.5) * self.step
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value = helper.clamp(value, self.min, self.max)
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self:set_value(value)
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end
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function M:set_number_type(min, max, step)
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self.min = min or 0
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self.max = max or 1
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self.step = step
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self:set_text_function(function(value)
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return tostring(value)
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end)
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self:set_value(self._value, true)
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end
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function M:_on_slider_change_by_user(value)
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self:set_value(value)
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end
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return M
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