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87 lines
2.1 KiB
Lua
87 lines
2.1 KiB
Lua
--- Druid checkbox component
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-- @module druid.checkbox
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-- @within BaseComponent
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-- @alias druid.checkbox
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--- Component events
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-- @table Events
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-- @tfield druid_event on_change_state On change state callback
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--- Component fields
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-- @table Fields
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-- @tfield node node Visual node
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-- @tfield[opt=node] node click_node Button trigger node
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-- @tfield druid.button button Button component from click_node
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local const = require("druid.const")
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local Event = require("druid.event")
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local component = require("druid.component")
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local Checkbox = component.create("checkbox", { const.ON_LAYOUT_CHANGE })
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local function on_click(self)
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self:set_state(not self.state)
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end
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--- Component style params.
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-- You can override this component styles params in druid styles table
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-- or create your own style
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-- @table Style
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-- @tfield function on_change_state (self, node, state)
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function Checkbox:on_style_change(style)
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self.style = {}
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self.style.on_change_state = style.on_change_state or function(_, node, state)
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gui.set_enabled(node, state)
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end
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end
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--- Component init function
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-- @function checkbox:init
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-- @tparam node node Gui node
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-- @tparam function callback Checkbox callback
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-- @tparam[opt=node] node click node Trigger node, by default equals to node
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function Checkbox:init(node, callback, click_node)
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self.druid = self:get_druid()
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self.node = self:get_node(node)
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self.click_node = self:get_node(click_node)
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self.button = self.druid:new_button(self.click_node or self.node, on_click)
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self:set_state(false, true)
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self.on_change_state = Event(callback)
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end
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function Checkbox:on_layout_change()
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self:set_state(self.state, true)
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end
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--- Set checkbox state
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-- @function checkbox:set_state
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-- @tparam bool state Checkbox state
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-- @tparam bool is_silent Don't trigger on_change_state if true
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function Checkbox:set_state(state, is_silent)
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self.state = state
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self.style.on_change_state(self, self.node, state)
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if not is_silent then
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self.on_change_state:trigger(self:get_context(), state)
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end
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end
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--- Return checkbox state
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-- @function checkbox:get_state
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-- @treturn bool Checkbox state
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function Checkbox:get_state()
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return self.state
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end
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return Checkbox
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