DgsGridListGetSelectedCount: Difference between revisions

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{{Client function}}
{{Client function}}
__NOTOC__
__NOTOC__
This function returns the items selected in the specified dgs grid list.
This function returns the amount of options selected in the specified dgs grid list.
 
Note that the index of row and column start from 1, which is different from [[guiGridListGetSelectedCount]].


==Syntax==  
==Syntax==  
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
table dgsGridListGetSelectedItems ( element gridList )
int dgsGridListGetSelectedCount ( element gridList [, int inRow = -1, int inColumn = -1 ] )
</syntaxhighlight>
</syntaxhighlight>


===Required Arguments===  
===Required Arguments===  
*'''gridList:''' The dgs grid list which selected items you want to retrieve.
*'''gridList:''' The dgs grid list whose amount of selected items you want to retrieve.
 
===Optional Arguments===
*''' inRow:''' An integer of the index of the specific row ( used to get the count of items from the specific row ).
*''' inColumn:''' An integer of the index of the specific column  ( used to get the count of items from the specific column ).


===Returns===
===Returns===
Returns a table over the selected items in the dgs grid list in this format ( the same as cegui's ) :
Returns an integer representing the amount of selected options if everything was successful or ''false'' if invalid arguments were passed.
<syntaxhighlight lang="lua">
table = {
    [1] = {
        ["column"], -- has the first selected item's column ID
        ["row"] -- has the first selected item's row ID
    },
    [2] = {
        ["column"],-- has the second selected item's column ID
        ["row"] -- has the second selected item's row ID
    },
    ...
}
 
 
</syntaxhighlight>
if everything was successful or ''false'' if invalid arguments were passed.


==Example==
==Example==
This example creates a gridlist filled with players names then check who has the letter "a" in their name, after it selects everyone who has the letter "a" then it outputs the selected rows.
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
DGS = exports.dgs
DGS = exports.dgs
-- This example creates a grid list of all players, clicking "Selected" button will then use dgsGridListGetSelectedItems to show all selected items.
gridlist = DGS:dgsCreateGridList(100,100,200,100,false)
playerWindow = DGS:dgsCreateWindow(526, 230, 291, 284, "", false)
DGS:dgsGridListAddColumn(gridlist,"Players",0.50)
gridlistPlayers = DGS:dgsCreateGridList(9, 23, 272, 201, false, playerWindow)
for i,v in ipairs(getElementsByType("player"))do
DGS:dgsGridListAddColumn(gridlistPlayers, "Players", 0.9)
DGS:dgsGridListAddRow(gridlist,_,getPlayerName(v))
DGS:dgsGridListSetSelectionMode(gridlistPlayers, 1) -- So can select many players
end
for _, players in ipairs(getElementsByType("player")) do  
for b=0, DGS:dgsGridListGetRowCount(gridlist)do
local row = DGS:dgsGridListAddRow(gridlistPlayers)
if(string.find(DGS:dgsGridListGetItemText(gridlist,b,1),"a",1,true))then
DGS:dgsGridListSetItemText(gridlistPlayers, row, 1, getPlayerName(players))
DGS:dgsGridListSetSelectedItem(gridlist,b,1)
end  
buttonSelectedPlayer = DGS:dgsCreateButton(9, 227, 272, 20, "Selected", false, playerWindow)
 
function seeSelected()
local selected = DGS:dgsGridListGetSelectedItems(gridlistPlayers)
for i, data in ipairs(selected) do -- Loops through all selected items
outputChatBox(DGS:dgsGridListGetItemText(gridlistPlayers, data["row"], 1)) -- Shows player name of selected players
end
end
end
end
addEventHandler("onDgsMouseClick", buttonSelectedPlayer, seeSelected, false)
outputChatBox("The number of Players with 'a' in their name: "..DGS:dgsGridListGetSelectedCount(gridlist)..".")
</syntaxhighlight>
</syntaxhighlight>


==See Also==
==See Also==
{{DGSFUNCTIONS}}
{{DGSFUNCTIONS}}
{{DGSEVENTS}}

Latest revision as of 08:33, 17 January 2021

This function returns the amount of options selected in the specified dgs grid list.

Syntax

int dgsGridListGetSelectedCount ( element gridList [, int inRow = -1, int inColumn = -1 ] )

Required Arguments

  • gridList: The dgs grid list whose amount of selected items you want to retrieve.

Optional Arguments

  • inRow: An integer of the index of the specific row ( used to get the count of items from the specific row ).
  • inColumn: An integer of the index of the specific column ( used to get the count of items from the specific column ).

Returns

Returns an integer representing the amount of selected options if everything was successful or false if invalid arguments were passed.

Example

This example creates a gridlist filled with players names then check who has the letter "a" in their name, after it selects everyone who has the letter "a" then it outputs the selected rows. 

DGS = exports.dgs
gridlist = DGS:dgsCreateGridList(100,100,200,100,false)
DGS:dgsGridListAddColumn(gridlist,"Players",0.50)
for i,v in ipairs(getElementsByType("player"))do
	DGS:dgsGridListAddRow(gridlist,_,getPlayerName(v))
end
for b=0, DGS:dgsGridListGetRowCount(gridlist)do
	if(string.find(DGS:dgsGridListGetItemText(gridlist,b,1),"a",1,true))then
		DGS:dgsGridListSetSelectedItem(gridlist,b,1)
	end
end
outputChatBox("The number of Players with 'a' in their name: "..DGS:dgsGridListGetSelectedCount(gridlist)..".")

See Also

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