uncommon

_IEgetobjbyclassname()

5 posts in this topic

#1 ·  Posted (edited)

I think this has been around in IE for a while. Seems useful. Would it be possible to put something like this into the next IE UDF update? I know dale is the one who manages it. Maybe he can chime in? BTW I pretty much changed the settings around from _IEgetobjbyname()

;#FUNCTION#=============================================================================================================
; Name...........: _IEClassNameGetCollection()
; Description ...: Returns an Object or a Colection of objects
; Syntax.........: (ByRef $o_object, $s_ClassName, $i_index = -1)
; Parameters ....: $o_object - The document object from IE
;                  $s_ClassName - The Name of the class to reference
;                  $i_index -     [optional] -1 (default) returns a colection, else use a 0 based index to indicate the object in sequence
; Return values .: Success - Object or a Colection of objects
;                  Failure - returns 0 sets the @error flag to non-zero.
;                   3 ($_IEStatus_InvalidDataType) - Invalid Data Type
;                   4 ($_IEStatus_InvalidObjectType) - Invalid Object Type
;                   5 ($_IEStatus_InvalidValue) - Invalid Value
;                   7 ($_IEStatus_NoMatch) - No Match
; Author ........: XThrax aka uncommon
; Remarks .......: This fuctions was pretty much stolen from Dale Hohm the IE UDF creator so much credit to him.
;                  
; Related .......: _IETagNameAllGetCollection()
; Link ..........;https://www.autoitscript.com/forum/topic/177201-_iegetobjbyclassname
;                 https://msdn.microsoft.com/en-us/library/ff975198(v=vs.85).aspx
; Example .......; No
; =====================================================================================================================
Func _IEClassNameGetCollection (ByRef $o_object, $s_ClassName, $i_index = -1)
    If Not IsObj($o_object) Then
        __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidDataType")
        Return SetError($_IEStatus_InvalidDataType, 1, 0)
    EndIf
    ;
    If Not __IEIsObjType($o_object, "browserdom") Then
        __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidObjectType")
        Return SetError($_IEStatus_InvalidObjectType, 1, 0)
    EndIf

    Local $oTemp
    If __IEIsObjType($o_object, "documentcontainer") Then
        $oTemp = _IEDocGetObj($o_object)
    Else
        $oTemp = $o_object
    EndIf

    $i_index = Number($i_index)
    Select
        Case $i_index = -1
            Return SetError($_IEStatus_Success, $oTemp.getElementsByClassName($s_ClassName).length, _
                    $oTemp.getElementsByClassName($s_ClassName))
        Case $i_index > -1 And $i_index < $oTemp.getElementsByClassName($s_ClassName).length
            Return SetError($_IEStatus_Success, $oTemp.getElementsByClassName($s_ClassName).length, _
                    $oTemp.getElementsByClassName($s_ClassName).item($i_index))
        Case $i_index < -1
            __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidValue", "$i_index < -1")
            Return SetError($_IEStatus_InvalidValue, 3, 0)
        Case Else
            __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_NoMatch")
            Return SetError($_IEStatus_NoMatch, 0, 0) ; Could be caused by parameter 2, 3 or both
    EndSelect
EndFunc   ;==>_IEClassNameGetCollection

https://msdn.microsoft.com/en-us/library/ff975198(v=vs.85).aspx

Edited by uncommon
Function revised from _IETagNameAllGetCollection()
1 person likes this

No problem can withstand the assault of sustained thinking.Voltaire

_Array2HTMLTable()_IEClassNameGetCollection()_IEquerySelectorAll()

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#2 ·  Posted (edited)

Nice

I would set the default value of $iIndex to -1 instead of 0

edit:
also, maybe a function name like _IEClassGetCollection (or something similar)  wouldn't be more consistent with the other _IE* functions that returns a collection or a single obj by index?

Edited by Chimp

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Nice

I would set the default value of $iIndex to -1 instead of 0

edit:
also, maybe a function name like _IEClassGetCollection (or something similar)  wouldn't be more consistent with the other _IE* functions that returns a collection or a single obj by index?

II didn't think about that. Revised. 

I used an older function that would take forever with for high index numbers because it would loop count EVERY class and remember the ones that had the correct name. Needless to say, this was 100 times faster.


No problem can withstand the assault of sustained thinking.Voltaire

_Array2HTMLTable()_IEClassNameGetCollection()_IEquerySelectorAll()

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Recently I learn that this should like this:

;#FUNCTION#=============================================================================================================
; Name...........: _IEClassNameGetCollection()
; Description ...: Returns an Object or a Colection of objects
; Syntax.........: (ByRef $oIE, $sClassName, $iItemIndex = Default)
; Parameters ....: $oIE - The document object from IE
;                  $sClassName - The Name of the class to reference
;                  $iItemIndex -     [optional] Default returns a colection, else use a 0 based index to indicate the object in sequence
; Return values .: Success - Object or a Colection of objects
;                  Failure - returns 0 sets the @error flag to non-zero.
;                   3 ($_IEStatus_InvalidDataType) - Invalid Data Type
;                   4 ($_IEStatus_InvalidObjectType) - Invalid Object Type
;                   5 ($_IEStatus_InvalidValue) - Invalid Value
;                   7 ($_IEStatus_NoMatch) - No Match
; Author ........: XThrax aka uncommon
; Modified ......: mLipok
; Remarks .......: This fuctions was pretty much stolen from Dale Hohm the IE UDF creator so much credit to him.
;
; Related .......: _IETagNameAllGetCollection()
; Link ..........;https://www.autoitscript.com/forum/topic/177201-_iegetobjbyclassname
;                 https://msdn.microsoft.com/en-us/library/ff975198(v=vs.85).aspx
; Example .......; No
; =====================================================================================================================
Func _IEClassNameGetCollection(ByRef $oIE, $sClassName, $iItemIndex = Default)
    If Not IsObj($oIE) Then
        ; __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidDataType")
        Return SetError($_IEStatus_InvalidDataType, 1, 0)
    ElseIf Not __IEIsObjType($oIE, "browserdom") Then
        ; __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidObjectType")
        Return SetError($_IEStatus_InvalidObjectType, 1, 0)
    ElseIf Not IsNumber($iItemIndex) Then
        Return SetError($_IEStatus_InvalidValue, 3, 0)
    ElseIf $iItemIndex = Default Or $iItemIndex >= 0 Then
        Local $oTemp = Null
        If __IEIsObjType($oIE, "documentcontainer") Then
            $oTemp = _IEDocGetObj($oIE)
            If @error Then Return SetError(@error,@extended,0)
        Else
            $oTemp = $oIE
        EndIf

        Local $oClassColl = $oTemp.getElementsByClassName($sClassName)
        If @error Then
            ; __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IESTATUS_GeneralError", "")
            Return SetError($_IESTATUS_GeneralError, 3, 0)
        ElseIf (Not IsObj($oClassColl)) Or $oClassColl = Null Or $oClassColl.length = 0 Then
            ; __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_NoMatch")
            Return SetError($_IEStatus_NoMatch, 0, 0) ; Could be caused by parameter 2, 3 or both
        Else
            If $iItemIndex = Default Then
                Return SetError($_IEStatus_Success, $oClassColl.length, $oClassColl)
            ElseIf $iItemIndex > $oClassColl.length Then
                Return SetError($_IEStatus_InvalidValue, $oClassColl.length, 0)
            Else
                $oItem = $oClassColl.Item($iItemIndex)
                If @error Then
                    Return SetError($_IESTATUS_GeneralError, 3, 0)
                ElseIf (Not IsObj($oItem)) Or $oItem = Null Then
                    Return SetError($_IEStatus_NoMatch, 0, 0) ; Could be caused by parameter 2, 3 or both
                Else
                    Return SetError($_IEStatus_Success, 0, $oItem)
                EndIf
            EndIf
        EndIf

    Else
        ; __IEConsoleWriteError("Error", "_IEClassNameGetCollection", "$_IEStatus_InvalidValue", "$iItemIndex < -1")
        Return SetError($_IEStatus_InvalidValue, 3, 0)
    EndIf

EndFunc   ;==>_IEClassNameGetCollection

 

REMARK: Not tested.


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Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

 

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On 10.09.2015 at 9:25 AM, uncommon said:

Would it be possible to put something like this into the next IE UDF update?

I think: Yes.


Wondering who uses AutoIT and what it can be used for ?


ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button:

Spoiler

Last update: 2017-03-27
Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAPPOP3.au3 UDF *  RTF Printer - UDF * XML.au3 - BETA * ADO.au3 UDF SMTP Mailer UDF * WinSCP UDF *

My contribution to others projects: * _sql.au3 UDF  *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Best coding practices * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities *

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

 

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