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Basic Webpage Controls with JavaScript / COM - Tutorial
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Do you think this tutorial is beneficial to the AHK Community?
Yeah, I think this tutorial is a great value-add to the Community.
86%
 86%  [ 91 ]
Nope - I think this tutorial is a waste of web space.
0%
 0%  [ 1 ]
I think this tutorial would be better if it incorporated AHK_L & COM_L.
12%
 12%  [ 13 ]
Total Votes : 105

Author Message
sinkfaze



Joined: 18 Mar 2008
Posts: 5044
Location: the tunnel(?=light)
PostPosted: Wed Feb 03, 2010 5:32 pm    Post subject: Reply with quote
Have you navigated to the page yet?

Code:
url:="http://www.thatwebsiteyourlywant2get2.com"
COM_Init()
pwb := COM_CreateObject("InternetExplorer.Application")
COM_Invoke(pwb , "Visible=", "True") ;"False" ;"True" ;
COM_Invoke(pwb, "Navigate",url)
Loop
  if (COM_Invoke(pwb,"readyState") = 4) ; wait for page to load
    break
text := COM_Invoke(pwb, "document.documentElement.outerHTML") ; should be correct to get the source
msgbox %text%

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randallf



Joined: 06 Jul 2009
Posts: 678
PostPosted: Wed Feb 03, 2010 5:37 pm    Post subject: Reply with quote
sinkfaze wrote:
Have you navigated to the page yet?

Code:
url:="http://www.thatwebsiteyourlywant2get2.com"
COM_Init()
pwb := COM_CreateObject("InternetExplorer.Application")
COM_Invoke(pwb , "Visible=", "True") ;"False" ;"True" ;
COM_Invoke(pwb, "Navigate",url)
Loop
  if (COM_Invoke(pwb,"readyState") = 4) ; wait for page to load
    break
text := COM_Invoke(pwb, "document.documentElement.outerHTML") ; should be correct to get the source
msgbox %text%


This is awesome, and exactly the example I'm looking for (thank you!) but I still receive an error.

I am using AHK_L and the COM (not _L) standard library at the moment. I'm thinking this might be the problem.

Do I have to use the latest official AHK with this?
Can I use AHK_L and the COM_L library?
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jethrow



Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
PostPosted: Wed Feb 03, 2010 6:42 pm    Post subject: Reply with quote
randallf wrote:
I am using AHK_L and the COM (not _L) standard library at the moment.
Don't do that Sad

randallf wrote:
Can I use AHK_L and the COM_L library?
Try this:
Code:
url:="http://www.thatwebsiteyourlywant2get2.com"
pwb := COM_CreateObject("InternetExplorer.Application")
pwb.Visible := True
pwb.Navigate(url)
Loop
  if (pwb.readyState = 4) ; wait for page to load
    break
text := pwb.document.documentElement.outerHTML ; should be correct to get the source
msgbox %text%

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Basic Webpage Controls
COM Object Reference
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Gundeck



Joined: 26 Jan 2010
Posts: 5
PostPosted: Thu Feb 04, 2010 3:43 pm    Post subject: Re: Basic Webpage Controls with JavaScript / COM - Tutorial Reply with quote
[*]Dropdown Box Selection - selectedIndex
Quote:
<SELECT class=post name=sort_by><OPTION selected value=0>Post Time</OPTION><OPTION value=1>Post Subject</OPTION><OPTION value=2>Topic Title</OPTION><OPTION value=3>Author</OPTION><OPTION value=4>Forum</OPTION></SELECT>
This is the HTML for the Sort By Dropdown. The following will set the Dropdown to Author:
Code:
javascript: document.all.sort_by.selectedIndex = 3; void 0   ; Note - you could use value = 3
COM_Invoke(pwb, "document.all.sort_by.selectedIndex", 3)


I'm having troube getting the example to work with a drop down.
When I use IE HTML Element SPY I get a code of:
<SELECT style="WIDTH: 100px" id=selectedStatus onchange=javascript:changeMailingStatus(this.value,20); name=test> <OPTION selected value=0>Select Status</OPTION> <OPTION value=5>Archive</OPTION></SELECT>

There are multiple drop dows on the page. The next one would be:
<SELECT style="WIDTH: 100px" id=selectedStatus onchange=javascript:changeMailingStatus(this.value,21); name=test> <OPTION selected value=0>Select Status</OPTION> <OPTION value=5>Archive</OPTION></SELECT>

Any insight on how I would get AHK to make the appropriate selection to 5>Archive?

Thank You for the support.
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jethrow



Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
PostPosted: Thu Feb 04, 2010 4:48 pm    Post subject: Reply with quote
It should just be:
Code:
javascript: document.all.selectedStatus.selectedIndex = 5; void 0   ; Note - you could use value = 5
COM_Invoke(pwb, "document.all.selectedStatus.selectedIndex", 5)


Now, this drop down also has an "onchange" event
Quote:
:<SELECT style="WIDTH: 100px" id=selectedStatus onchange=javascript:changeMailingStatus(this.value,20); name=test> <OPTION selected value=0>Select Status</OPTION> <OPTION value=5>Archive</OPTION></SELECT>
You should be able to invoke this using the fireEvent method:
Code:
javascript: document.all.selectedStatus.selectedIndex.fireEvent('onchange')
COM_Invoke(pwb, "document.all.selectedStatus.selectedIndex.fireEvent", "onchange")
NOTE - untested
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Gundeck



Joined: 26 Jan 2010
Posts: 5
PostPosted: Thu Feb 04, 2010 10:09 pm    Post subject: Reply with quote
jethrow wrote:
It should just be:
Code:
javascript: document.all.selectedStatus.selectedIndex = 5; void 0   ; Note - you could use value = 5
COM_Invoke(pwb, "document.all.selectedStatus.selectedIndex", 5)


Now, this drop down also has an "onchange" event
Quote:
:<SELECT style="WIDTH: 100px" id=selectedStatus onchange=javascript:changeMailingStatus(this.value,20); name=test> <OPTION selected value=0>Select Status</OPTION> <OPTION value=5>Archive</OPTION></SELECT>
You should be able to invoke this using the fireEvent method:
Code:
javascript: document.all.selectedStatus.selectedIndex.fireEvent('onchange')
COM_Invoke(pwb, "document.all.selectedStatus.selectedIndex.fireEvent", "onchange")
NOTE - untested


How do I diferentiate bewteen the different dropdowns?
There are multiple per page, the only thing I can see that could possably be an identifier is "(this.value,20)" which inciments +1 for the next dropdown available.
I assume I somehow need to include that into the scripting?
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jethrow



Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
PostPosted: Thu Feb 04, 2010 11:33 pm    Post subject: Reply with quote
Gundeck wrote:
How do I diferentiate bewteen the different dropdowns?
By "dropdowns", I'm assuming you mean different dropdown boxes, and not the different options in the dropdown. Each dropdown should have a unique id
Quote:
<SELECT style="WIDTH: 100px" id=selectedStatus onchange=javascript:changeMailingStatus(this.value,20); name=test> <OPTION selected value=0>Select Status</OPTION> <OPTION value=5>Archive</OPTION></SELECT>

You're examples don't seem to follow this, which I haven't seen before. You could also get a collection of all the SELECT (dropdown) elements on the page:
Code:
javascript: select=document.all.tags('SELECT'); alert('There are ' + select.length + ' dropdowns on the page.')
select := COM_Invoke(pwb, "document.all.tags", "SELECT")
MsgBox, % "There are " COM_Invoke(select, "length") " dropdowns on the page."
*Remember, the variable "select" will now be an object, and needs to be released

You could now access the dropdown by which item it is in the collection (collection starts at 0):
Code:
select[0]
COM_Invoke(select, "item", 0)

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Guest
PostPosted: Mon Feb 08, 2010 4:06 pm    Post subject: Reply with quote
jethrow wrote:
randallf wrote:
I am using AHK_L and the COM (not _L) standard library at the moment.
Don't do that Sad

randallf wrote:
Can I use AHK_L and the COM_L library?
Try this:
Code:
url:="http://www.thatwebsiteyourlywant2get2.com"
pwb := COM_CreateObject("InternetExplorer.Application")
pwb.Visible := True
pwb.Navigate(url)
Loop
  if (pwb.readyState = 4) ; wait for page to load
    break
text := pwb.document.documentElement.outerHTML ; should be correct to get the source
msgbox %text%


This is really cool, I finally got it working - I think I had the wrong version of COM_L, I guess 2 versions come in the one zip??? - anyway, this works really great but is there a way to make it do it in the background, without opening a window?

Thanks again!!! Smile
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randallf



Joined: 06 Jul 2009
Posts: 678
PostPosted: Mon Feb 08, 2010 4:14 pm    Post subject: Reply with quote
Quote:


This is really cool, I finally got it working - I think I had the wrong version of COM_L, I guess 2 versions come in the one zip??? - anyway, this works really great but is there a way to make it do it in the background, without opening a window?

Thanks again!!! Smile


I hardly deserve to call myself a programmer,

Code:
pwb.Visible := False


when I miss stuff like this all the time.

Very Happy TY!!
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jethrow



Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
PostPosted: Mon Feb 08, 2010 4:17 pm    Post subject: Reply with quote
Code:
url:="http://www.thatwebsiteyourlywant2get2.com"
pwb := COM_CreateObject("InternetExplorer.Application")
pwb.Visible := True ; <--- leave this line out & the window will be Invisible ;)
pwb.Navigate(url)
Loop
  if (pwb.readyState = 4)
    break
text := pwb.document.documentElement.outerHTML
msgbox %text%
pwb.Quit() ; <--- this will close the Invisible IE window

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Gundeck



Joined: 26 Jan 2010
Posts: 5
PostPosted: Tue Feb 09, 2010 10:11 pm    Post subject: Why does this not work Reply with quote
javascript: document.getElementsByTagName('input')[11].click()
COM_Invoke(pwb, "javascript: document.getElementsByTagName[input].item[11].click")

This is from the Tut.
What I'm trying to do is just a simple login into Facebook.
I got it entering in the User and Password using

COM_Invoke(userName:=COM_Invoke(all:=COM_Invoke(doc:=COM_Invoke(pwb,"Document"),"All"),"Item","Email"),"value",gUser)

COM_Invoke(password:=COM_Invoke(all,"Item","pass_placeholder"),"value",gPass)

from the COM tut, but I could not get this to work:
COM_Invoke(submit:=COM_Invoke(all,"Item","submit"),"click").
Mostly because the button does not have a name field os the other had. When I use various spy apps it comes up with:
,input value="Login" type="submit" class="UIButton_Text.

I can use:
javascript: document.getElementsByTagName('input')[6].click()
to fire it off, but it COM equivelent:
COM_Invoke(pwb, "javascript: document.getElementsByTagName[input].item[11].click")

Pops up errors.

I'm pretty nub in this whole thing, I have been following posts and have review almost every topic that involves "Facebook". I really don't want to send click or {TAB} {ENTER} to fire this button off. Am I missing something obvious?

Thanks all.
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sinkfaze



Joined: 18 Mar 2008
Posts: 5044
Location: the tunnel(?=light)
PostPosted: Tue Feb 09, 2010 10:23 pm    Post subject: Re: Why does this not work Reply with quote
Gundeck wrote:
Am I missing something obvious?


Not entirely. Even though the input button does not have a name or ID, your information does show that it has a value:

Code:
input value="Login" type="submit" class="UIButton_Text.


So what you need to do is look through input element collection, find the one with a value "Login" and click it:

Code:
COM_Invoke(pwb,"document.all.item[email].value",gUser)
COM_Invoke(pwb,"document.all.item[pass_placeholder].value",gPass)
Loop % COM_Invoke(pwb,"document.all.tags[input].length") { ; loop runs equal to the number of input elements on the page
  if (COM_Invoke(pwb,"document.all.tags[input].item[" A_Index-1 "].value") = "Login") { ; if current input element has value of 'Login'
    COM_Invoke(pwb,"document.all.tags[input].item[" A_Index-1 "].click") ; click it
    break ; break the loop
  } ; else the loop continues
}

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jethrow



Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
PostPosted: Tue Feb 09, 2010 10:25 pm    Post subject: Reply with quote
Quote:
COM_Invoke(pwb, "javascript: document.getElementsByTagName[input].item[11].click")

Thanks for pointing this out. Remove the red. I have updated the tutorial.
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rhinox202



Joined: 23 Apr 2009
Posts: 34
PostPosted: Tue Feb 23, 2010 4:17 am    Post subject: CSS !important Reply with quote
Is there a way to add !important to the following code?
Code:
COM_Invoke(pwb, "document.getElementById[box].style.display", "none")

I have tried adding " !important" after none, but that doesn't work. Doing so results in the following:

COM Error Notification
Function Name: "display"
ERROR: Not Implemented
(0x80004001)
ERROR2: The parameter is incorrect
(0x80070057)

I do not receive an error like this when adding !important to a margin style, so I am guessing that it may not be possible on the display style. If anyone can help I would appreciate it. Thanks.
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tank



Joined: 21 Dec 2007
Posts: 3700
Location: Louisville KY USA
PostPosted: Tue Feb 23, 2010 4:32 am    Post subject: Reply with quote
what on earth makes you think you should
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