File size: 4,008 Bytes
b6a38d7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
DefineClass.LabelContainer = {
	__parents = { "InitDone", "ContinuousEffectContainer" },
	labels = false,
	label_effects = false,
}

function LabelContainer:Init()
	self.labels = {}
	self.label_effects = {}
end

function LabelContainer:InitEmptyLabel(label)
	self.labels[label] = self.labels[label] or {}
end

function LabelContainer:AddToLabel(label, obj)
	if not label then return end
	local label_list = self.labels[label]
	if label_list then
		if table.find(label_list, obj) then return end -- already added
		label_list[#label_list + 1] = obj
	else
		self.labels[label] = { obj }
	end
	
	local effects = self.label_effects[label]
	for _, effect in pairs(effects or empty_table) do
		obj:StartEffect(effect)
	end
	Msg("AddedToLabel", label, obj)
	return true
end

function LabelContainer:RemoveFromLabel(label, obj)
	local label_list = self.labels[label]
	if label_list and table.remove_entry(label_list, obj) then
		local effects = self.label_effects[label]
		for _, effect in pairs(effects or empty_table) do
			obj:StopEffect(effect.Id)
		end
		Msg("RemovedFromLabel", label, obj)
		return true
	end
end

function LabelContainer:ClearLabel(label)
	local effects = self.label_effects[label]
	for _, obj in ipairs(self.labels[label] or empty_table) do
		for _, effect in pairs(effects or empty_table) do
			obj:StopEffect(effect.Id)
		end
	end
	self.labels[label] = {}
end

function LabelContainer:IsInLabel(label, obj)
	if table.find(self.labels[label], obj) then
		return true
	end
	return false
end

function LabelContainer:AttachEffectToLabel(label, effect, make_permanent)
	assert(IsKindOf(effect, "ContinuousEffect"))
	
	make_permanent = make_permanent ~= false
	
	local effects
	if make_permanent then
		effects = self.label_effects[label] or {}
		effects[effect.Id] = effect
	end
	for _, obj in ipairs(self.labels[label] or empty_table) do
		obj:StartEffect(effect) -- this will stop the old effect with the id if it exists
	end
	if make_permanent then
		self.label_effects[label] = effects
	end
end

function LabelContainer:DetachEffectFromLabel(label, id)
	local effects = self.label_effects[label] or {}
	effects[id] = nil
	for _, obj in ipairs(self.labels[label] or empty_table) do
		obj:StopEffect(id)
	end	
end

function LabelContainer:ForEachInLabel(label, func, ...)
	for _, obj in ipairs(self.labels[label] or empty_table) do
		func(obj, ...)
	end
end

function LabelContainer:GetFirstInLabel(label, filter, ...)
	for _, obj in ipairs(self.labels[label] or empty_table) do
		if not filter or filter(obj, ...) then
			return obj
		end
	end
end

function LabelContainer:ResetLabels()
	local labels = self.labels
	for name, _ in pairs(labels) do
		labels[name] = {}
	end
end

function LabelContainer:ForEachInLabels(func, ...)
	local labels = self.labels
	for _, label in pairs(labels) do
		for _, obj in ipairs(label) do
			func(obj, ...)
		end
	end
end

----

DefineClass.LabelElement = {
	__parents = { "PropertyObject" },
}

function LabelElement:AddToLabels(container)
	if not container then return end
	self:ForEachLabel(function(label, self, container)
		container:AddToLabel(label, self)
	end, self, container)
end

function LabelElement:RemoveFromLabels(container)
	if not container then return end
	self:ForEachLabel(function(label, self, container)
		container:RemoveFromLabel(label, self)
	end, self, container)
end

local __found = false
local function __CheckLabelName(label, self, name)
	__found = __found or name == label
end
function LabelElement:CheckLabelName(name)
	__found = false
	self:ForEachLabel(__CheckLabelName, self, name)
	return __found
end

RecursiveCallMethods.ForEachLabel = "call"
LabelElement.ForEachLabel = empty_func

function AllLabelsComboItems()
	local labels = {}
	-- collect auto labels
	ClassDescendants("LabelElement", function(name, def, labels)
		def:ForEachLabel(function(label, labels)
			labels[label] = true
		end, labels)
	end, labels)
	-- collect runtime custom labels
	Msg("GatherAllLabels", labels)
	return table.keys(labels, true)
end