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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| local ui_common = require('src/lib/engine/draw/ui/common') | ||
| local util_decorator = require('src/lib/util/decorator') | ||
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| local function slider_next(self, to) | ||
| local incr = to or 1 | ||
| self.index = self.index + incr | ||
| if self.index == 0 then | ||
| self.index = #self.items_node | ||
| end | ||
| if self.index > #self.items_node then | ||
| self.index = 1 | ||
| end | ||
| return self | ||
| end | ||
|
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| local function slider_back(self) | ||
| return slider_next(self, -1) | ||
| end | ||
|
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||
| --! @hideparam std | ||
| --! @hideparam engine | ||
| local function apply(std, engine, self) | ||
| local index = 1 | ||
| local x, y = 0, 0 | ||
|
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| local index2 = 1 | ||
| local pipeline = std.ui.style(self.classlist).pipeline | ||
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| while index2 <= #pipeline do | ||
| pipeline[index2](std, self.node, self.node.config.parent, engine.root) | ||
| index2 = index2 + 1 | ||
| end | ||
|
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||
| local hem = self.node.data.width / self.rows | ||
| local vem = self.node.data.height / self.cols | ||
|
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| while index <= #self.items_node do | ||
| local node = self.items_node[index] | ||
| local size = self.items_size[index] | ||
| local ui = self.items_ui[node] | ||
|
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| node.config.offset_x = x * hem | ||
| node.config.offset_y = y * vem | ||
| node.data.width = size * hem | ||
| node.data.height = vem | ||
|
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||
| x = x + size | ||
| if x >= self.rows then | ||
| y = y + 1 | ||
| x = 0 | ||
| end | ||
|
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||
| if index == self.index then | ||
| local index3 = 1 | ||
| local pipeline2 = std.ui.style(self.classlist_selected).pipeline | ||
| while index3 <= #pipeline2 do | ||
| pipeline2[index3](std, node, node.config.parent, engine.root) | ||
| index3 = index3 + 1 | ||
| end | ||
| end | ||
|
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| if ui then | ||
| ui:apply() | ||
| end | ||
|
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| index = index + 1 | ||
| end | ||
|
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| return self | ||
| end | ||
|
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| local function component(std, engine, layout) | ||
| local rows, cols = layout:match('(%d+)x(%d+)') | ||
|
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| if rows ~= '1' and cols ~= '1' then | ||
| error('invalid grid layout') | ||
| end | ||
|
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| local node = std.node.load({ | ||
| width = engine.current.data.width, | ||
| height = engine.current.data.height | ||
| }) | ||
|
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||
| local self = { | ||
| index = 1, | ||
| rows=tonumber(rows), | ||
| cols=tonumber(cols), | ||
| items_node = {}, | ||
| items_size = {}, | ||
| items_ui = {}, | ||
| node=node, | ||
| classlist='', | ||
| classlist_selected='', | ||
| -- methods | ||
| next=slider_next, | ||
| back=slider_back, | ||
| add=util_decorator.prefix2(std, engine, ui_common.add), | ||
| add_items=util_decorator.prefix2(std, engine, ui_common.add_items), | ||
| style_item_select=util_decorator.prefix1('classlist_selected', ui_common.style), | ||
| style=util_decorator.prefix1('classlist', ui_common.style), | ||
| apply=util_decorator.prefix2(std, engine, apply), | ||
| get_item=ui_common.get_item | ||
| } | ||
|
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||
| if engine.root == engine.current then | ||
| node.callbacks.resize = function() | ||
| if node.config.parent ~= engine.root then | ||
| node.callbacks.resize = nil | ||
| return | ||
| end | ||
| node.data.height = engine.root.data.height | ||
| node.data.width = engine.root.data.width | ||
| self:apply() | ||
| end | ||
| end | ||
|
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| std.node.spawn(node) | ||
| return self | ||
| end | ||
|
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| local P = { | ||
| component = component | ||
| } | ||
|
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||
| return P |