khanat-client-data-NeL/data/ryz/ryz_ring/r2_ui_contextual_commands.lua

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2016-05-06 10:56:20 +00:00
----------------------------
-- CONTEXTUAL COMMANDS UI --
----------------------------
-- Code in this file manage the update of the contextual toolbar &
-- contextual menu for the current selected instance, depending on the vailable options
r2.ContextualCommands =
{
--ButtonCache = -- list of buttons already created in the toolbar
-- each entry has the form :
-- { Id="id_of_button_in_the_ui", CommandDesc={ }, }
-- 'CommandDesc' is one of the command description returned
-- by the selected instance when calling 'getAvailableCommands'
-- }
--{
--}
-- description of each command
CurrentCommands={},
-- map index of each command to the matching toolbar button
IndexToButton = {},
-- Current instance for which this contextual toolbar is displayed
CurrentInstance = nil,
-- Index of last triggered command
LastTriggeredCommandIndex = nil,
-- Cache of buttons (to avoid costrly template instanciation). Key is the command, Value if a pointer to the button
ButtonCache = {}
}
------------
-- PUBLIC --
------------
----------------------------------------------------------------------------
-- Setup the contextual toolbar for the given instance
-- passing nil just hides the toolbar
function r2.ContextualCommands:setupToolbar(instance)
self.CurrentInstance = instance
table.clear(self.CurrentCommands)
table.clear(self.IndexToButton)
table.clear(self.LastTriggeredCommandIndex)
local toolbar = self:getToolbar()
local buttonList = toolbar:find("buttons")
if not instance then
toolbar.active = false
-- put all buttons in the cache for futur reuse
--for index, button in IndexToButton do
-- detach button from its parent
--if buttonlist.detachChild(button) then
-- ButtonCache[CurrentCommands[index]] = button
--end
--end
return
end
table.clear(self.CurrentCommands)
if not instance.Ghost then
instance:getAvailableCommands(self.CurrentCommands)
end
assert(self.CurrentCommands)
toolbar.active = true
buttonList:clear()
for index, commandDesc in pairs(self.CurrentCommands) do
self:addToolbarCommand(buttonList, commandDesc, index)
end
end
local newCommands = {}
----------------------------------------------------------------------------
-- Update the toolbar content
function r2.ContextualCommands:update()
if self.CurrentInstance then
table.clear(newCommands)
if not self.CurrentInstance.Ghost then
self.CurrentInstance:getAvailableCommands(newCommands)
end
if isEqual(newCommands, self.CurrentCommands) then
return -- commands remains unchanged, no need to update the ui
end
end
-- if one of the command is highlighted, let it highlighted after the toolbar has been rebuilt
--local highlightedCommand
--for index, button in pairs(self.IndexToButton) do
-- if button == r2.ToolUI:getActiveToolUI() then
-- debugInfo("highlighted command found")
-- highlightedCommand = self.CurrentCommands[index]
-- break
-- end
--end
self:setupToolbar(self.CurrentInstance)
-- if one command was highlighted, highlight it again in new toolbar
end
----------------------------------------------------------------------------
-- Hightlight the button of the last triggered command
function r2.ContextualCommands:highlightCurrentCommandButton()
debugInfo("***")
if self.LastTriggeredCommandIndex then
r2.ToolUI:setActiveToolUI(self.IndexToButton[self.LastTriggeredCommandIndex])
end
end
-------------
-- PRIVATE --
-------------
----------------------------------------------------------------------------
-- Private : Get reference to the contextual toolBar
function r2.ContextualCommands:getToolbar(instance)
return getUI("ui:interface:r2ed_contextual_toolbar")
end
----------------------------------------------------------------------------
-- Private : add a new button in the toolbar
function r2.ContextualCommands:addToolbarCommand(buttonList, commandDesc, index)
if not commandDesc.ButtonBitmap or commandDesc.ButtonBitmap == "" then
return -- no button wanted for this command
end
-- buld filenames for the 'normal', 'over' & 'pushed" textures
local icon = commandDesc.ButtonBitmap
local iconOver = nlfile.getFilenameWithoutExtension(icon) ..
"_over." .. nlfile.getExtension(icon)
local iconPushed = nlfile.getFilenameWithoutExtension(icon) ..
"_pushed." .. nlfile.getExtension(icon)
local tmplParams =
{
tooltip = commandDesc.TextId,
id = tostring(index),
icon = icon,
icon_over = iconOver,
icon_pushed = iconPushed,
onclick_l = "lua",
params_l = "r2.ContextualCommands:runCommand(" .. tostring(index) .. ")",
w = "32",
h = "32",
offset_x = select(commandDesc.Separator == true, 8, 0)
}
local newButton = createGroupInstance("r2ed_tool", buttonList.id, tmplParams)
if newButton then
buttonList:addChild(newButton)
self.IndexToButton[index] = newButton
end
end
----------------------------------------------------------------------------
-- Private : execute a command triggered by a toolbar button
function r2.ContextualCommands:runCommand(index)
assert(self.CurrentInstance)
assert(self.CurrentCommands[index] ~= nil)
self.LastTriggeredCommandIndex = index
-- do actual call
self.CurrentCommands[index].DoCommand(self.CurrentInstance)
end