Files
aux-addon-ClassicAPI/tables/listing.lua
T
Manuel Simon Hirsig 238c19a040 refactorings
2016-08-04 05:50:40 +02:00

460 lines
14 KiB
Lua

local m, public, private = aux.module'listing'
local ST_COUNT = 0
local ST_ROW_HEIGHT = 15
local ST_ROW_TEXT_SIZE = 13
local ST_HEAD_HEIGHT = 27
local ST_HEAD_SPACE = 2
local DEFAULT_COL_INFO = {{width=1}}
local function GetTableIndex(tbl, value)
for i, v in tbl do
if value == v then
return i
end
end
end
local function OnColumnClick()
local button = arg1
if this.st.sortInfo.enabled and button == 'LeftButton' then
if this.st.sortInfo.col == this.colNum then
this.st.sortInfo.ascending = not this.st.sortInfo.ascending
else
this.st.sortInfo.col = this.colNum
this.st.sortInfo.ascending = true
end
this.st.updateSort = true
this.st:RefreshRows()
end
if this.st.handlers.OnColumnClick then
this.st.handlers.OnColumnClick(this, button)
end
end
local defaultColScripts = {
OnEnter = function()
this.row.mouseover = true
if not this.row.data then return end
if not this.st.highlightDisabled then
this.row.highlight:Show()
end
local handler = this.st.handlers.OnEnter
if handler then
handler(this.st, this.row.data, this)
end
end,
OnLeave = function()
this.row.mouseover = false
if not this.row.data then return end
if this.st.selectionDisabled or not this.st.selected or this.st.selected ~= GetTableIndex(this.st.rowData, this.row.data) then
this.row.highlight:Hide()
end
local handler = this.st.handlers.OnLeave
if handler then
handler(this.st, this.row.data, this)
end
end,
OnClick = function()
if not this.row.data then return end
this.st:ClearSelection()
this.st.selected = GetTableIndex(this.st.rowData, this.row.data)
this.row.highlight:Show()
local handler = this.st.handlers.OnClick
if handler then
handler(this.st, this.row.data, this, arg1)
end
end,
OnDoubleClick = function()
if not this.row.data then return end
local handler = this.st.handlers.OnDoubleClick
if handler then
handler(this.st, this.row.data, this, arg1)
end
end,
}
local methods = {
RefreshRows = function(st)
if not st.rowData then return end
FauxScrollFrame_Update(st.scrollFrame, getn(st.rowData), st.sizes.numRows, ST_ROW_HEIGHT)
local offset = FauxScrollFrame_GetOffset(st.scrollFrame)
st.offset = offset
-- do sorting if enabled
if st.sortInfo.enabled and st.sortInfo.col and st.updateSort then
local function SortHelper(rowA, rowB)
local sortArgA = rowA.cols[st.sortInfo.col].sortArg
local sortArgB = rowB.cols[st.sortInfo.col].sortArg
if st.sortInfo.ascending then
return sortArgA < sortArgB
else
return sortArgA > sortArgB
end
end
sort(st.rowData, SortHelper)
st.updateSort = nil
end
-- set row data
for i=1, st.sizes.numRows do
st.rows[i].data = nil
if i > getn(st.rowData) then
st.rows[i]:Hide()
else
st.rows[i]:Show()
local data = st.rowData[i + offset]
if not data then break end
st.rows[i].data = data
if (st.selected == GetTableIndex(st.rowData, data) and not st.selectionDisabled)
or (st.highlighted and st.highlighted == GetTableIndex(st.rowData, data))
or st.rows[i].mouseover
then
st.rows[i].highlight:Show()
else
st.rows[i].highlight:Hide()
end
for colNum, col in ipairs(st.rows[i].cols) do
if st.colInfo[colNum] then
local colData = data.cols[colNum]
if type(colData.value) == 'function' then
col:SetText(colData.value(unpack(colData.args)))
else
col:SetText(colData.value)
end
end
end
end
end
end,
SetData = function(st, rowData)
st.rowData = rowData
st.updateSort = true
st:RefreshRows()
end,
SetSelection = function(st, predicate)
st:ClearSelection()
for i, rowDatum in st.rowData do
if predicate(rowDatum) then
st.selected = i
st:RefreshRows()
break
end
end
end,
GetSelection = function(st)
return st.selected
end,
ClearSelection = function(st)
st.selected = nil
st:RefreshRows()
end,
DisableSelection = function(st, value)
st.selectionDisabled = value
end,
EnableSorting = function(st, value, defaultCol)
st.sortInfo.enabled = value
st.sortInfo.col = abs(defaultCol or 1)
st.sortInfo.ascending = not defaultCol or defaultCol > 0
st.updateSort = true
for _, headCol in st.headCols do
if value then
headCol:EnableMouse(true)
else
headCol:EnableMouse(false)
end
end
st:RefreshRows()
end,
DisableHighlight = function(st, value)
st.highlightDisabled = value
end,
GetNumRows = function(st)
return st.sizes.numRows
end,
SetScrollOffset = function(st, offset)
local maxOffset = max(getn(st.rowData) - st.sizes.numRows, 0)
if not offset or offset < 0 or offset > maxOffset then
return -- invalid offset
end
local scrollPercent = offset / maxOffset
local maxPixelOffset = st.scrollFrame:GetVerticalScrollRange() + ST_ROW_HEIGHT * 2
local pixelOffset = scrollPercent * maxPixelOffset
FauxScrollFrame_SetOffset(st.scrollFrame, offset)
st.scrollFrame:SetVerticalScroll(pixelOffset)
end,
SetHighlighted = function(st, row)
st.highlighted = row
st:RefreshRows()
end,
Redraw = function(st)
local width = st:GetWidth() - 14
local height = st:GetHeight()
if getn(st.colInfo) > 1 or st.colInfo[1].name then
-- there is a header row
st.sizes.headHeight = st.sizes.headFontSize and (st.sizes.headFontSize + 4) or ST_HEAD_HEIGHT
else
-- no header row
st.sizes.headHeight = 0
end
st.sizes.numRows = max(floor((st:GetParent():GetHeight() - st.sizes.headHeight - ST_HEAD_SPACE) / ST_ROW_HEIGHT), 0)
-- update the frame
st.scrollBar:ClearAllPoints()
st.scrollBar:SetPoint('BOTTOMRIGHT', st, -1, 1)
st.scrollBar:SetPoint('TOPRIGHT', st, -1, -st.sizes.headHeight - ST_HEAD_SPACE - 1)
if st.sizes.headHeight > 0 then
st.headLine:Show()
st.headLine:ClearAllPoints()
st.headLine:SetPoint('TOPLEFT', 2, -st.sizes.headHeight)
st.headLine:SetPoint('TOPRIGHT', -2, -st.sizes.headHeight)
else
st.headLine:Hide()
end
-- update the first row
if st.rows and st.rows[1] then
st.rows[1]:SetPoint('TOPLEFT', 0, -(st.sizes.headHeight + ST_HEAD_SPACE))
st.rows[1]:SetPoint('TOPRIGHT', 0, -(st.sizes.headHeight + ST_HEAD_SPACE))
end
-- add header columns if necessary
while getn(st.headCols) < getn(st.colInfo) do
st:AddColumn()
end
-- adjust head col widths
for colNum, col in ipairs(st.headCols) do
if st.colInfo[colNum] then
col:Show()
col:SetWidth(st.colInfo[colNum].width * width)
col:SetHeight(st.sizes.headHeight)
col:SetText(st.colInfo[colNum].name or "")
col.text:SetJustifyH(st.colInfo[colNum].headAlign or 'CENTER')
else
col:Hide()
end
end
-- add more rows if necessary
while getn(st.rows) < st.sizes.numRows do
st:AddRow()
end
-- adjust rows widths
for rowNum, row in ipairs(st.rows) do
if rowNum > st.sizes.numRows then
row.data = nil
row:Hide()
else
row:Show()
-- add any missing cols
while getn(row.cols) < getn(st.colInfo) do
st:AddRowCol(rowNum)
end
for colNum, col in ipairs(row.cols) do
if st.headCols[colNum] and st.colInfo[colNum] then
col:Show()
col:SetWidth(st.colInfo[colNum].width * width)
col.text:SetJustifyH(st.colInfo[colNum].align or 'LEFT')
else
col:Hide()
end
end
end
end
st:RefreshRows()
end,
AddColumn = function(st)
local colNum = getn(st.headCols) + 1
local col = CreateFrame('Button', st:GetName()..'HeadCol'..colNum, st.contentFrame)
if colNum == 1 then
col:SetPoint('TOPLEFT', 0, -1)
else
col:SetPoint('TOPLEFT', st.headCols[colNum - 1], 'TOPRIGHT')
end
col.st = st
col.colNum = colNum
col:RegisterForClicks('LeftButtonUp', 'RightButtonUp')
col:SetScript('OnClick', OnColumnClick)
local text = col:CreateFontString()
text:SetJustifyV('CENTER')
text:SetFont(aux.gui.config.font, aux.gui.config.medium_font_size)
text:SetTextColor(unpack(aux.gui.config.text_color.enabled))
text:SetAllPoints()
col.text = text
col:SetFontString(text)
local tex = col:CreateTexture()
tex:SetAllPoints()
tex:SetTexture([[Interface\Buttons\UI-Listbox-Highlight]])
tex:SetTexCoord(0.025, 0.957, 0.087, 0.931)
tex:SetAlpha(0.2)
col:SetHighlightTexture(tex)
tinsert(st.headCols, col)
-- add new cells to the rows
for rowNum, row in ipairs(st.rows) do
while getn(row.cols) < getn(st.headCols) do
st:AddRowCol(rowNum)
end
end
end,
AddRowCol = function(st, rowNum)
local row = st.rows[rowNum]
local colNum = getn(row.cols) + 1
local col = CreateFrame('Button', nil, row)
local text = col:CreateFontString()
text:SetFont(aux.gui.config.font, ST_ROW_TEXT_SIZE)
text:SetJustifyV('CENTER')
text:SetPoint('TOPLEFT', 1, -1)
text:SetPoint('BOTTOMRIGHT', -1, 1)
col.text = text
col:SetFontString(text)
col:SetHeight(ST_ROW_HEIGHT)
col:RegisterForClicks('LeftButtonUp', 'RightButtonUp')
for name, func in defaultColScripts do
col:SetScript(name, func)
end
col.st = st
col.row = row
if colNum == 1 then
col:SetPoint('TOPLEFT', 0, 0)
else
col:SetPoint('TOPLEFT', row.cols[colNum - 1], 'TOPRIGHT')
end
tinsert(row.cols, col)
end,
AddRow = function(st)
local row = CreateFrame('Frame', nil, st.contentFrame)
row:SetHeight(ST_ROW_HEIGHT)
local rowNum = getn(st.rows) + 1
if rowNum == 1 then
row:SetPoint('TOPLEFT', 2, -(st.sizes.headHeight + ST_HEAD_SPACE))
row:SetPoint('TOPRIGHT', 0, -(st.sizes.headHeight + ST_HEAD_SPACE))
else
row:SetPoint('TOPLEFT', 2, -(st.sizes.headHeight + ST_HEAD_SPACE + (rowNum - 1) * ST_ROW_HEIGHT))
row:SetPoint('TOPRIGHT', 0, -(st.sizes.headHeight + ST_HEAD_SPACE + (rowNum - 1) * ST_ROW_HEIGHT))
end
local highlight = row:CreateTexture()
highlight:SetAllPoints()
highlight:SetTexture(1, .9, .9, .1)
highlight:Hide()
row.highlight = highlight
row.st = st
row.cols = {}
st.rows[rowNum] = row
for i=1, getn(st.colInfo) do
st:AddRowCol(rowNum)
end
end,
SetHandler = function(st, event, handler)
st.handlers[event] = handler
end,
SetHeadFontSize = function(st, size)
st.sizes.headFontSize = size
-- update the text size of the head cols
for _, col in ipairs(st.headCols) do
if st.sizes.headFontSize then
col.text:SetFont(aux.gui.config.font, st.sizes.headFontSize)
else
col.text:SetFont(aux.gui.config.font, aux.gui.config.medium_font_size)
end
end
st:Redraw()
end,
SetColInfo = function(st, colInfo)
colInfo = colInfo or DEFAULT_COL_INFO
st.colInfo = colInfo
st:Redraw()
end,
}
function public.CreateScrollingTable(parent)
-- create the base frame
ST_COUNT = ST_COUNT + 1
local st = CreateFrame('Frame', 'TSMScrollingTable'..ST_COUNT, parent)
st:SetAllPoints()
-- st:SetScript('OnSizeChanged', function() st:Redraw() end)
local contentFrame = CreateFrame('Frame', nil, st)
contentFrame:SetPoint('TOPLEFT', 0, 0)
contentFrame:SetPoint('BOTTOMRIGHT', -15, 0)
st.contentFrame = contentFrame
-- frame to hold the header columns and the rows
local scrollFrame = CreateFrame('ScrollFrame', st:GetName()..'ScrollFrame', st, 'FauxScrollFrameTemplate')
scrollFrame:SetScript('OnVerticalScroll', function(self, offset)
FauxScrollFrame_OnVerticalScroll(ST_ROW_HEIGHT, function() st:RefreshRows() end)
end)
scrollFrame:SetAllPoints(contentFrame)
st.scrollFrame = scrollFrame
-- make the scroll bar consistent with the TSM theme
local scrollBar = getglobal(scrollFrame:GetName()..'ScrollBar')
scrollBar:SetWidth(12)
st.scrollBar = scrollBar
local thumbTex = scrollBar:GetThumbTexture()
thumbTex:SetPoint('CENTER', 0, 0)
thumbTex:SetTexture(unpack(aux.gui.config.content_color.backdrop))
thumbTex:SetHeight(50)
thumbTex:SetWidth(12)
getglobal(scrollBar:GetName()..'ScrollUpButton'):Hide()
getglobal(scrollBar:GetName()..'ScrollDownButton'):Hide()
-- create head line at default position
st.headLine = aux.gui.horizontal_line(st, 0)
-- add all the methods
for name, func in methods do
st[name] = func
end
-- setup default values
st.isTSMScrollingTable = true
st.sizes = {}
st.headCols = {}
st.rows = {}
st.handlers = {}
st.sortInfo = {enabled=nil}
st.colInfo = DEFAULT_COL_INFO
return st
end