pc_tiantian/core/luaScript/ModuleEapSdk/GameTools/LabelTool.lua

--
-- Author: songge
-- Date: 2016-04-11 20:36:27
--
--  用法：
    -- local text = "faff人 {1} f人 {2} KKK"
    -- self._tDetail = cc.Label:createWithTTF("进度", "res/fonts/huakangziti.TTF", 24)
    --         :align(display.CENTER, cc.p(display.width/2, 40))
    --         :addTo(self)
    --         :setColor(display.COLOR_WHITE)
    -- local table =  {["{1}"] = "替1换",
    --                 ["{2}"] = "a替2换吖"}
    -- LabelTool.changeLabelColor(self._tDetail, text, table)

local LabelTool = {}
--根据显示宽度截取字符串，添加省略号
-- 拿字符串字符数量 中文2 英文1
function LabelTool.GetUTF8StrNums( str )
    if (not str) then
        return 
    end
    local strLen = #str
    local index, numTmp = 1, 0
    local t = 1
    for i=1,strLen do
        if index <= i then
            local curByte = string.byte(str, i)
            local byteCount = 1
            numTmp = numTmp + 2
            if curByte>0 and curByte<=127 then
                byteCount = 1
                numTmp = numTmp - 1
            elseif curByte>=192 and curByte<=223 then
                byteCount = 2
            elseif curByte>=224 and curByte<=239 then
                byteCount = 3
            elseif curByte>=240 and curByte<=247 then
                byteCount = 4
            end
            -- print("______",byteCount,curByte)
            index = index + byteCount
        end
    end
    return numTmp
end

--[[
获取一个字符串的从第from个字符开始的num个字符
中文2 英文1个字符
]]
function LabelTool.GetUTF8StrByIdxNumEx( str, num )
    if (not str) or (not num)  then
        return ""
    end
    if num <= 0 then
        return str
    end
    local strLen = #str
    local index, numTmp = 1, 0
    local t = 1
    for i=1,strLen do
        if numTmp >= num then
            break
        end
        if index <= i then
            local curByte = string.byte(str, i)
            local byteCount = 1
            numTmp = numTmp + 2
            if curByte>0 and curByte<=127 then
                byteCount = 1
                numTmp = numTmp - 1
            elseif curByte>=192 and curByte<=223 then
                byteCount = 2
            elseif curByte>=224 and curByte<=239 then
                byteCount = 3
            elseif curByte>=240 and curByte<=247 then
                byteCount = 4
            end
            index = index + byteCount
        end
    end
    return string.sub(str, 1, index-1)
end
--text
function LabelTool.changeLabelColorWithTable(__label, __table, __color)
    local _text = __label:getString()
    for i=1, #__table do
        local posBegin = string.find(_text, __table[i])
        if (not posBegin) then
            return
        end
        local pos = string.utf8len(string.sub(_text, 0, posBegin-1))
        --print("找到了当前的 ", __table[i], posBegin)
        for m=1, string.utf8len(__table[i]) do
            --print("找到了当前的 111 ", __table[i], m)
            local sp = __label:getLetter(pos+m-1)
            if (sp) then
                sp:setColor(__color)
            end
        end
    end
end
function LabelTool.changeLabelColor(__label, __text, __table, changeColor)
    assert(__label~=nil,"labeltool __label is nil")
    assert(__text~=nil,"labeltool __text is nil")
    assert(__table~=nil and type(__table)=="table", "labeltool __table is error")

	local allBegins, allEnds = {},{}
	local changeText = __text
    local num = table.nums(__table)
    for i=1, num do
        local _strOld = "{"..i.."}"
        local _strNew = __table[_strOld]
        local posBegin = string.find(changeText, _strOld)
        if (posBegin==nil) then
            --print("error, posBegin == nil")
            __label:setString(__text)
            break
        end
        local pos = LabelTool.countCNWords(string.sub(changeText, 0, posBegin-1))
        -- print("替换后")
        -- print("pos = "..pos.."  _strNew length = "..LabelTool.countCNWords(_strNew))
        if (pos>-1) then 
        	allBegins[#allBegins+1] = pos
        	--print("allBegins = "..allBegins[#allBegins])
        	local posEnd = pos + LabelTool.countCNWords(_strNew)-1
        	allEnds[#allEnds+1] = posEnd
        	--print("allEnds = "..allEnds[#allBegins])

        	changeText = string.gsub(changeText, _strOld,  _strNew)
        end
	end
     __label:setString(changeText)
	for i=1, #allBegins do
		for j=allBegins[i], allEnds[i]  do
            local sp = __label:getLetter(j)
            --print("allBegins = "..j)
            if (sp) then 
                changeColor = changeColor or G_BaseDefine.MAJIANG_COLOR_SEL
                sp:setColor(changeColor)
            else 
                -- print("error sp")
            end
        end
	end
end

-- 计算长度，中文字符长度只占一个
function LabelTool.countCNWords(__pszText)
    local length = string.utf8len(__pszText)
    return length
end

-- 输入框
function LabelTool.getEditBox(__bgPath, __size, __str, __inputMode, __maxLen, __fontSize)
    __maxLen = __maxLen or 15
    __fontSize = __fontSize or 24

    local editPhone = cc.TextField:createNode()
    editPhone:setDefaults()
    local ttfConfig = {}
    ttfConfig.fontFilePath = "res/default/msyh.ttc"
    ttfConfig.fontSize = __fontSize
    ttfConfig.glyphs   = cc.GLYPHCOLLECTION_DYNAMIC
    ttfConfig.customGlyphs = nil
    ttfConfig.distanceFieldEnabled = false
    ttfConfig.outlineSize = 0
	ttfConfig.texColor = display.COLOR_BLACK

	editPhone:setFontConfig(ttfConfig);
    editPhone:setText("")
    editPhone:setColor(display.COLOR_BLACK)
    -- editPhone:setAnchorPoint(cc.p(0, 0.5))
    editPhone:setSize(__size)
    if __str then
        editPhone:setPlaceHolder(__str)
    end
    editPhone:setMaxLengthEnabled(true)
    editPhone:setMaxLength(__maxLen)
    return editPhone
end

-- 针对公告改变颜色
-- <> cc.RED = cc.c3b(255,0,0)
-- () cc.GREEN = cc.c3b(0,255,0)
-- [] cc.BLUE = cc.c3b(0,0,255)

function LabelTool.changeLabelColorEx(__label, __text)
    -- __text = "(ji(an)g03;V$#asahdj是手机号)犹如赌神附体，在[上海敲麻]中赢了{18}倍！"
    local changeTbl = {}
    local name = ""
    local namebpos

    -- 玩家名中可能存在[]和{} 单独拿出来处理
    local bp, ep, cstr = string.find(__text, "(%(.+%)+)")
    -- print("kkk----", bp, ep, cstr)
    if cstr then
        name = string.sub(cstr, 2, -2)
        local s1 = string.sub(__text, 0, bp-1)
        local s2 = string.sub(__text, ep+1, #__text)
        __text = s1 .. "%s" .. s2
        -- print(s1, s2, "==")

        namebpos = math.max(bp, 0)

        local posh,pose = string.find(name, ";V$#")
        if posh and pose then
            name = string.sub(name, 1, posh-1)
        end    
    end

    for catchStr in string.gmatch(__text, '(%b[])') do
        local str = string.gsub(catchStr, "[%[%]]","")
        changeTbl[str] = GONGGAO_COLOR_GAME   
    end    
    for catchStr in string.gmatch(__text, '(%b{})') do
        local str = string.gsub(catchStr, "[{}]","")
        changeTbl[str] = GONGGAO_COLOR_NUM
    end  

    local _text = string.gsub(__text, "[{}%[%]]", "")
    _text = string.format(_text, name)
    __label:setString(_text) 
    -- print("changeLabelColorEx", _text)
    -- dump(changeTbl)

    local function changeColor(bpos, epos, color)
        if bpos and epos then
            if bpos ~= 0 then
                bpos = LabelTool.countCNWords(string.sub(_text, 0, bpos-1))
            end
            epos = LabelTool.countCNWords(string.sub(_text, 0, epos)) - 1
            for index = bpos, epos  do
                local sp = __label:getLetter(index)
                if (sp) then 
                    sp:setColor(color)
                else 
                    -- print("error sp")
                end
            end            
        end
    end

    for k, v in pairs(changeTbl) do
        local bpos, epos = string.find(_text, k)
        -- print(bpos, epos, k)
        changeColor(bpos, epos, v)
    end
    if namebpos then
        -- print(namebpos, #name, string.len(name),"000")
        changeColor(namebpos, namebpos+(string.len(name)-1), GONGGAO_COLOR_NAME)
    end
end

return LabelTool