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on the fly grid table filtering in ui

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This commit is contained in:
kepler155c@gmail.com 2018-10-29 22:03:46 -04:00
parent b564b1e9be
commit 9484153f38
2 changed files with 17 additions and 5 deletions
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17
sys/apis/ui.lua
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@ -1463,7 +1463,14 @@ function UI.Grid:update()
end end
end end
self.sorted = Util.keys(self.values) self.sorted = { }
for k,v in pairs(self.values) do
if self:isRowValid(k, v) then
table.insert(self.sorted, k)
end
end
--self.sorted = Util.keys(self.values)
if order then if order then
table.sort(self.sorted, function(a,b) table.sort(self.sorted, function(a,b)
return order(self.values[a], self.values[b]) return order(self.values[a], self.values[b])
@ -1545,6 +1552,12 @@ function UI.Grid:drawRows()
end end
end end
-- Non-intuitive: update must be called if the table was specified
-- in the shortcut definition (as this callback was not yet overridden)
function UI.Grid:isRowValid(--[[ key, value ]])
return true
end
function UI.Grid:getRowTextColor(row, selected) function UI.Grid:getRowTextColor(row, selected)
if selected then if selected then
if self.focused then if self.focused then
@ -2359,9 +2372,7 @@ function UI.Wizard:eventHandler(event)
elseif event.type == 'previousView' then elseif event.type == 'previousView' then
local currentView = Util.find(self.pages, 'enabled', true) local currentView = Util.find(self.pages, 'enabled', true)
local nextView = Util.find(self.pages, 'index', currentView.index - 1) local nextView = Util.find(self.pages, 'index', currentView.index - 1)
if self:isViewValid() then
currentView:emit({ type = 'enable_view', prev = nextView, current = currentView }) currentView:emit({ type = 'enable_view', prev = nextView, current = currentView })
end
return true return true
elseif event.type == 'wizard_complete' then elseif event.type == 'wizard_complete' then

3
sys/apis/util.lua
View File

@ -356,6 +356,7 @@ function Util.readFile(fname)
end end
function Util.writeFile(fname, data) function Util.writeFile(fname, data)
if not fname or not data then error('Util.writeFile: invalid parameters', 2) end
local file = io.open(fname, "w") local file = io.open(fname, "w")
if not file then if not file then
error('Unable to open ' .. fname, 2) error('Unable to open ' .. fname, 2)
@ -489,7 +490,7 @@ function Util.insertString(str, istr, pos)
end end
function Util.split(str, pattern) function Util.split(str, pattern)
if not str then error('Util:split: invalid parameters', 2) end if not str then error('Util.split: Invalid parameters', 2) end
pattern = pattern or "(.-)\n" pattern = pattern or "(.-)\n"
local t = {} local t = {}
local function helper(line) table.insert(t, line) return "" end local function helper(line) table.insert(t, line) return "" end