Popup LOV and read only

Hi there,
I want to use a Popup LOV instead of a select list. The thing is with Popup, the user can manually fill the text field value. Is it possible to use a Popup and have a read only textfield, to make sure the user's entry will be valid ?

I try to fill disabled="disabled" into popup LOV of Tabular form element but don't work, the
behavior of text field is the same with or without this setting.
My version of oracle apex is 3.1.1.00.09 installed on an Oracle 9.2.0.6 database.
Someone have any ideas to resolve this problem?
Thank you in advance.
Gabriele

Similar Messages

Strange behavior when Popup LOVs has read-only condition and Bug Report

Hi,
I observed an inconsistent behavior of Popup LOVs when the read-only condition is true. In that case the defined lov query is used to map the internal value of the page item to the display value defined in the lov query.
What is the reason for this behavior? Because if the Popup LOV is in "edit mode" the page item value is just displayed without looking up the display value. The display value is just used for the popup lov. Mapping the value is normally a behavior of the popup key lov.
-> The result is that different values are displayed if the page item is in edit or read-only mode. That's not really the behavior someone would expect.
BTW, there seems to be a bug with "Display Extra Values" set to "Yes" in the case read-only is true. If the lookup doesn't return a value it just displays [ ], but because the property is set to yes it should display the value. The Popup Key Lov has the same bug.
Thanks for bringing some light into that behavior
Patrick
Oracle APEX Essentials: http://essentials.oracleapex.info/
My Blog, APEX Builder Plugin, ApexLib Framework: http://www.oracleapex.info/

Patrick,
I've added your comments to a task already in our queue to examine all item types for correct behavior in read-only mode. I've noticed the quirks with display extra values also.
By the way, still interested in your thoughts re: Re: Bug Report: Images broke when using get_blob_file_src and not authentic .
Scott

Crashes and read-only file systems

Notice: I apolgize for the long post, I've tried to be as thorough as possible. I have searched everywhere for possible solutions, but things I've found end up being temporary workarounds or don't apply to my situation. Any help, even as simple as, "have you checked out XYZ log, it's hidden here", would be greatly appreciated. Thanks
I'm not sure what exactly caused the issues below, but they did start to happen within a day of running pacman -Syu. I hadn't run that since I first installed Arch on December 2nd of this year.
Setup:
Thinkpad 2436CTO
UEFI/GPT
SSD drive
Partitions: UEFISYS, Boot, LVM
The LVM is encrypted and is broken up as: /root, /var, /usr, /tmp, /home
All LVM file systems are EXT4 (used to have /var and /tmp as ReiserFS)
The first sign that something was wrong was gnome freezing. Gnome would then crash and I'd get booted back to the shell with all filesystems mounted as read-only. I started having the same issues as this OP:
https://bbs.archlinux.org/viewtopic.php?id=150704
At the time, I had /var and /tmp as ReiserFS, and would also get reiserfs_read_locked_inode errors.
When shutting down (even during non-crashed sessions) I would notice this during shutdown:
Failed unmounting /var
Failed unmounting /usr
Followed by a ton of these:
device-mapper: remove ioctl on <my LVM group> failed: Device or resource busy
Nother of these errors had ever appeared before.
After hours of looking for solutions (and not finding any that worked) I was convinced (without any proof) that my Reiser file systems were corrupt and so I reformatted my entire SSD and started anew - not the Arch way, I know I set all logical volumes as EXT4.
After started anew, I noticed
device-mapper: remove ioctl on LVM_SysGroup failed: Device or resource busy
was still showing up, even with just a stock Arch setup (maybe even when powering off via Arch install ISO, don't remember). After a lot of searching, I found that most people judged it a harmless error, so I ignored it and continued setting up Arch.
I set up Gnome and a basic LAMP server, and everything seemed to work for a couple of hours. Soon after, I got the same old issues back. The System-journald issue came back and per the workaround on https://bbs.archlinux.org/viewtopic.php?id=150704 and a couple other places, I rotated the journals and stopped journald from saving to storage. That seemed to stop THOSE errors from at least overwhelming the shell, but I would still get screen freezes, crashes, and read-only file systems.
I had to force the laptop to power off, since poweroff/reboot/halt commands weren't working (would get errors regarding the filesystems mounted as read-only).
I utilized all disk checking functions possible. From running the tests (SMART test included) that came as part of my laptop's BIOS to full blown fsck. All tests showed the drive was working fine, and Fsck would show everything was either clean, or
Clearing orphaned inode ## (uid=89, gid=89, mode=0100600, size=###
Free blocks count wrong (###, counted=###)
Which I would opt to fix. Nothing serious, though.
I could safely boot back into Arch and use the system fine until the system decides to freeze/crash and do the above all over again.
The sure way of recreating this for me is to run a cron job on a local site I'm developing. After a brief screen freeze (mouse still moveable but everything is otherwise unreponsive) I'll systemctl status mysqld.service and notice that mysqld went down.
It seems that it's at this point my file systems are mounted as read only, as trying to do virtually anything results in:
unable to open /var/db/sudo/...: Read-only file system
After some time, X/Gnome crashes and I get sent back to shell with
ERROR: file_stream_metrics.cc(37)
RecordFileError() err = 30 source = 1 record = 0
Server terminated successfully (0)
Closing log file.or_delegate.h(30)] sqlite erro1, errno 0: SQL logic error or missing database[1157:1179
rm: cannot remove '/tmp/serverauth.teuroEBhtl': Read-only file system
Before all this happened, I was using Arch just fine for a few weeks. I wiped the drives and started anew, and this still happens with just the minimal number of packages installed.
I've searched for solutions to each individual problem, but come across a hack that doesn't solve anything (like turning off storing logs for journal), or the solution doesn't apply to my case.
At this point, I'm so overwhelmed I'm not even sure where exactly to pick up figuring this issue out.
Thanks in advance for any help

Did this occur when you booted from the live/install media?
What is your current set up? That is, partitions, filesystems etc. I take it you have not yet reinstalled X but are in the default CLI following installation?
If turning off log storage didn't help, reenable it so that you may at least stand a chance of finding something useful.
What services, if any, are you running? What non-default daemons etc.?
Does it happen if you keep the machine off line?
Have you done pacman -Syu since installation and dealt with any *.pacnew files?
Last edited by cfr (2012-12-26 22:17:57)

How to use same view as editable and read only in ADF

Hi,
how to use same view as editable and read only in ADF ?? How can we achieve this in TF's ???
-mrudul

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Steven Davelaar wrote a presentation about this "Building Highly Reusable Taskflows"
Starting slide 14 is where your use case comes into play
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The script preoduces an error, if field 1 is blank, and I try to enter data into field 2 and then tab out of field.

Possible to make an item editable for certain users and read only for other

Is it possible to make an item editable for certain users and read only for others?
I've been able to accomplish this by taken the select statement that I used to define an authorization scheme, placing it in the Read Only condition of the item. However, I would like to simply reference the authorization scheme to utilize caching, and to help keep things cleaner for future maintenance.
Is it possible to reference an authorization scheme in an item condition similar to the way another item can be referenced by preceding it with a colon (i.e. :P1_First_Name)?

Thank you, your suggestion worked.
It would be nice on a future release of APEX if a drop-down box existed under the Ready Only section that would allow an existing Authorization Scheme to be selected or negated when applying the Read Only attribute to a form item.

Can't mount USB disk with the atribute of fix and read-only

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I have a usb disk which is set as fix(non-removalbe) and read-only. I tried to connect it to Macbook version 10.4.11 ,but it failed to mount the disk. However, connecting to 10.5.X and windows XP work fine. I am wondering is it a bug specifically in 10.4.11 only ? Could I get any patch for this problem ?
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HI Ying and Welcome to Apple Discussions ...
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Editable and Read-Only Date Picker have different display formats -- Bug?

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This is a follow on to a previous posting about getting a Date Picker field to display read-only (Date Picker and Read-Only Condition works on LAST state of element
Now past that hurdle, I have noticed something about the date picker field when it is displays read-only. Namely, the date format is not the format selected, nor does the read-only date format comply with the format mask in the source section.
I've modified my small test app to work as intended in order to demonstrate this feature. I also opened it up so everyone can see it <blush>. You can find it here: http://htmldb.oracle.com/pls/otn/f?p=42513: Please navigate to the Update Project tab.
When a project in Program One through Four is selected (which has a Spec Committed date), the date is displayed DD-MON-YY format. When a project the other Programs (which do not have Spec Committed dates at the time of this writing) are selected, and a date value selected with the date picker, the date is displayed in the anticipated DD-MON-YYYY format.
Anyone else notice this, or have I just missed something obvious?
Thanks,
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I'm not sure why this happens but to work around it I added this before header process code to the page:
execute immediate 'alter session set nls_date_format = ''DD-MON-YYYY''';
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Stuck on ISW installation step - Config of other master and Read only

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JFileChooser and Read Only Folders in XP

The following question concerns a Java application, not a applet or web service.
If you are browsing a folder with JFileChooser the button to create a new folder is disabled if the parent folder is read-only. Under XP folders often show up as read only and cannot be easily changed by the user. Even if Windows reports that the parent folder is read only, it does not block the creation of sub-folders in it. I'd like to always make the create folder button active regardless of whether the parent folder is read only or not; that more truely reflects the folder creation permissions anyway and mimics the behaviour of an MFC file browser. How would I do this?
I've even tried to add a listener to the file chooser so that as the user browses to a new directory I automatically change the write permissions of folder, but short of a system command, there's no way to change the write permissions from JAVA so I don't consider this a neat solution.
I'm surprised that I haven't found similar complaints on the net. If you use a MFC file browser the create folder button is active, but a Java file chooser has it disabled for the same folder.
Please help.

What would you say to a new FileChooser? I love java but I'm no fan of Sun's choosers. (See www.MartinRinehart.com, Examples, ColorChooser.)
Email me if you're interested in doing one.

Updatable view and Read only view

Jdev version 11.1.1.6
1. Can we use an updatable view instead of readonly view for LOVs?
2. In my use case, I am having a panel-tabbed component. I create Region in the first tab & create Countries in the second tab. If I use a LOV for Regions based on the read-only view, then the data created & COMMITTED in the first tab is not getting reflected in the LOV in the second tab. But, if I use an updatable view for the Region field's LOV, then the LOV works fine. But, want to know if it is fine to use an updatable view for LOVs.

Quotation from the developer guide
>
Best Practice: When you need to create a read-only view object for
data lookup, you should use the entity-based view object and deselect
the Updatable option in the Entity Objects page of the view object
overview editor.
>
>
View objects can either be related to underlying entity objects or not. When a view
object is related to one or more underlying entity objects the default behavior supports
creating new rows and modifying or removing queried rows. However, the update
feature can be disabled by deselecting Updatable in the overview editor for the
entity-based view object
>
So the answer for your first question is Yes

Issue regarding open word file and read only mode using c# & MS-word interop

i am programmatically open a word file for search and highlight keyword. my routine is working fine. the problem is when i am opening the file programmatically then a dialog come and ask me to open file in read only mode. the dialog look like below one
actually i do not want to open the file in read only mode because people can open and like to change and save. so guide me what i can do to not to open the file in read only mode.
here is my full code. just have a look and tell me what is wrong in my code or tell me any trick as a result i can open the file not in read only mode. here is my code.
private void button1_Click(object sender, EventArgs e)
            object fileName = "";
            string filePath = "";
            string strSaveasPath = "";
            DialogResult result = openFileDialog1.ShowDialog();
            if (result == DialogResult.OK)
                fileName = openFileDialog1.FileName;
                //strSaveasPath = Path.GetDirectoryName(path.ToString());
            //fileName = "Z:\\C0000000003.doc";
            List<string> _list = new List<string>();
            _list.Add("tridip");
            _list.Add("arijit");
            //object fileName = "D:\\CVArchievePath\\C0000000001.doc";
            object textToFind = "test";
            object readOnly = false;
            Word.Application word = new Word.Application();
            Word.Document doc = new Word.Document();
            object missing = Type.Missing;
            try
                doc = word.Documents.Open(ref fileName, ref missing, ref readOnly,
                                          ref missing,
ref missing, ref missing,
                                          ref missing,
ref missing, ref missing,
                                          ref missing,
ref missing, ref missing,
                                          ref missing,
ref missing, ref missing,
                                          ref missing);
                doc.Activate();
                object matchPhrase = false;
                object matchCase = false;
                object matchPrefix = false;
                object matchSuffix = false;
                object matchWholeWord = false;
                object matchWildcards = false;
                object matchSoundsLike = false;
                object matchAllWordForms = false;
                object matchByte = false;
                object ignoreSpace = false;
                object ignorePunct = false;
                object highlightedColor = Word.WdColor.wdColorGreen;
                object textColor = Word.WdColor.wdColorLightOrange;
                object missingp = false;
                Word.Range range = doc.Range();
                foreach (string line in _list)
                    textToFind = line;
                    bool highlighted = range.Find.HitHighlight(ref textToFind,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing,
ref missing);
                System.Diagnostics.Process.Start(fileName.ToString());
            catch (Exception ex)
                Console.WriteLine("Error : " + ex.Message);
                //Console.ReadKey(true);
            finally
                //doc.Close(missing, missing, missing);
                if(doc!=null)
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(doc);
                if (word != null)
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(word);
                word = null;
                doc = null;
                GC.Collect();
                GC.WaitForPendingFinalizers();

I know it's a very old issue and I reached to this page looking for a solution. Finally, I have found a fix to this problem.
The problem is that we create an instance of Word and do not close it correctly. This makes program believe that the file is already open and hence you're getting the respective message of file being locked by you.
Set the visibility of your application to true and then when you close it both file and instance should close and you will not get the problem again.

Two questions: Event on a Date Picker and Read Only on a full page?

Hello,
I make use of this very informative board to develop an application but i have been unable to find info on these two topics. Sorry if it has been already discussed extensively.
Using HTMLDB 2.2 for now.
=>First question:
I have a date picker item with an event
onChange="resaStatusChange();"
in the HTML Form Element Attribute field.
The event is triggerring if i put a new data in the field but does not trigger if i use the picker.
Is it a standart behaviour? Is there a way to trigger the event when new data is provided through the date picker?
=> Second question:
One page in my application has to be used either to only display information or as a mixed displaying/entering data sheet.
When the context is appropriate to use the page as a simple display (testing both global authorization and data to be displayed), is there a way to put a read only attribute on the full page instead of putting the read only conditions through each and every item of the page?
Sorry if the questions are not clear and apologize for what should be newbie questions.
Any link or info will be appreciated.
Regards,
Daniel Gureghian

Hi Daniel,
I'm not sure about your first question, but I can hopefully give you a helpfull answer for your second one.
I'm handling it this way:
var elInput = document.getElementsByTagName('input');
var elTextArea = document.getElementsByTagName('textarea');
var elSelect = document.getElementsByTagName('select');
for (i = 0; i < elInput.length; i++)
setReadOnly(elInput, true);
for (i = 0; i < elTextArea.length; i++)
setReadOnly(elTextArea[i], true);
for (i = 0; i < elSelect.length; i++)
setReadOnly(elSelect[i], true);
function setReadOnly(pThis, pRead)
     if (pThis && pRead)
          pThis.disabled = pRead;
          pThis.style.emptyCells = "show";
          pThis.style.color = "black";
          pThis.style.backgroundColor = "#DDDDDD";
     else if (pThis && !pRead)
          pThis.disabled = pRead;
          pThis.style.emptyCells = "show";
          pThis.style.color = "black";
          pThis.style.backgroundColor = "#FFFFFF";
I never used it on a whole page, only for regions. So maybe you have to make some changes.
chrissy

Problems with Conditional Display and Read Only

Hi Everybody,
I have a form to Add/ Modify Table Info.
I have column which stores numeric value (like no. of purchases, no.of returns etc.,) and I have a text field with this Database column as Source.
In some cases the value is a foreign key (Id of the Owner, Buyer etc.,) to another table. In such cases, I want to display a select list containing people information. Is that possible?
This is what I did to achieve that
I added a select list with info from second Table. Made both the text field and the select list to conditional display and conditional read only.
My understanding is that When an item is made read only it should not be saved to the Database.
But while Updating I am getting the following Error
ORA-06550: line 1, column 130: PL/SQL: ORA-00957: duplicate column name ORA-06550: line 1, column 7: PL/SQL: SQL Statement ignored.
Any can anybody help me out on this?
Thanks
Nimmi

My understanding is that When an item is made read only it should not be saved to the Database
No, all page items with a Source Type of "Database Column" will be used by the Automatic DML process to insert/update the database. Form inputs with the "disabled" HTML attribute set are not POSTed to the server.
Try to create 2 items, one Select List and other Text Field but setup their conditions such that only one of them is rendered on the page at any given time. That might work.

External editors and read-only folders

I'm trying to use LR4 to work on NEF images I'd imported from a read-only directory. While regular LR4 editing works, using an external editor doesn't because LR4 insists on trying to write a file into that read-only directory. Is there a way to persuade LR4 to put the files it uses to communicate with external editors somewhere else? I intentionally want to keep my NEF directories read-only because they're synced with other programs (which would get upset by LR4 sneaking extra files in there) and because I don't want to accidentally alter anything there.

Not for secondary editors.
Only the primary Photoshop CSx can open a file wihtout creating it first. Then tiy ba use Save As from Photoshop to choose another location.

Popup LOV and read only

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