Tab canva disapear whith stacked canvas

hi guys,
in my form there is:
1. content canvas
2.tabbed canvas
when i put a stacked canvas the tabbed canvas disapear. any help?

stack canvas can not put on top of tab canvas.
what I did is to put tab canvas on content canvas and make tab canvas height very short, and then put stack canvas right below tab canvas that look like it's on tab.

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Tab Canvas on a STACKED Canvas?

Is it possible to have a tab canvas ON (IN) a stacked canvas? Or can a tab canvas ONLY be placed on a content canvas?
Thanks!

Hi,
Can you tell the requirement clearly, whether you need to create a tab canvas on stacked canvas, a tab canvas in stacked canvas.
1.Stack Canvas in Tab canvas
First you need to create a tab canvas in the content canvas then you need to create a stack canvas on the content canvas, then you need to align it properly.
Refer this link
http://startapps.blogspot.in/2009/12/how-to-place-stacked-canvas-in-tab-page.html
Thanks & regards
Srikkanth

Content canvas and a stacked canvas moving when scroll through the details

Dear Friends
I have Mater and Details Block , and I have two canvas content canvas and a stacked canvas, and the a stacked canvas on top of content canvas , and I have set the horizontal and vertical scroll bar for the stacked canvas , my problem is that when I inquire and click on the details block which is on stacked canvas the header content canvas is moved up
and what I want the header to be stable and not moving when scroll through the details .
Best regards
Jamil Alshaibani

if the canvas is moved during runtime in general the problem is that is does not fit completly in the window. Try to adjust your window-size so that the whole layout fits into it.

Tab-Canvas and Stacked-Canvas (Forms 5.0)

Is it possible to design a tab canvas that contains stacked-canvas? I can't create it!

Yes - it is possible to design a tab canvas that contains stacked-canvas. Create a separate canvas with its own block and you can call go_block and the canvas/block will show. You can also call show_view but the canvas you call must be of the type stacked. (aside - a tab canvas seems to automatically act like a stacked canvas). I have used a canvas w/block that sits at the top of the screen by setting it to be only 60 points tall (and it is the first block in the list) then in a when-new-form-instance trigger I call show_view('tab canvas name') and have its viewport begin at 60, therefore the tab canvas fits right under the header canvas. You can then leave this to call other canvases/blocks and return and set up the same situation again. Sometimes I have gotten strange results where no matter what I do it will not show the tab canvas - at this point usually you recreate what won't show and it will then work.
good luck.

Validation vs Stack canvas on tab page

Hi,
I have a problem about how to show/hide view when validation was triggered.
My situation is:
- I have a 3 pages tab-page. On the first tab, I have a stack canvas. I have codes to show the canvas at When-new-form-instance and show/hide the view at When-Tab-page-change.
Problem:
- I click on the third page and enter something wrong values on a field and then I didn't go to another field, click the first page directly.
The oracle form shows the first tab without the stack canvas and the error message popup at the same time.
- We have a backend procedure which is used to give the error include the Raise form_trigger_failure. When the validation is fail, this procedure will be called to give the error message. It is a standard procedure so we must use it.
- I tried to Show_view before or after the error message, but it cannot help.
Question:
Is there any method to help this problem? Thanks for advance..
I am using Forms10g.
Regards.

Another solution without a timer : You can use the WHEN-TAB-PAGE-CHANGED-Trigger to handle the change of a tabpage. And here, before you navigate to another tabpage, you can use the built-in ENTER to start the validation before the next tabpage is displayed.+When-tab-page-changed runs AFTER the tab page has switched. If you run validation from it, you will need to check if the validation failed, and then go back to the prior tab page.
Also, the Validate built-in is a better method to cause validation to occur.

Urgent: Stack Canvas in Tab canvas

Hi,
I have a very urgent requirement. Please help me solving this.
I want to have One tab canvas which has three tab pages.
On the First Tab i want to fetch the data from some table say XX_CUSTOM_TABLE.
Now, This should be displayed in Tabular format with Horizontal and vertical scrolling as the table has many columns.
Please give me step by step instructions so that it could be implemented quickly.
P.S : I am using Oracle forms 6i.
Thanks in advance,
Yadnesh

Hi,
1. When i open the form only the fields added in the tab canvas are visible.
Where u have drawn the stack canvas,you need to create in the main canvas where ur tab canvas is there and u need to drag it to tab canvas.Have u created the trigger when tab_page_changed?
2. when i change the tab page from tab 1 to tab 2 and then again get back to tab 1, then the stack canvas fields are visible and the fields in tab gets invisible.
Just place the stack canvas correctly after the fields in tab page 1.
3. The stack canvas is not horizontally scrolling.
Just go to the property palette of stack canvas and make yes to both horizontal and vertical to yes.
Do i have to create a stack canvas separately? and then how do i drag it into tab canvas. i am still not getting this. because.
when i open the tab canvas page i do not find the stack layout so that i can drag it like a normal text item.
Yes u need to create a stack canvas separately. Just open the Mani canvas the tab pages are there, then in that click the stack canvas icon and create a stack canvas and create all the fields, and move the stack canvas to the tab page. And u need to create a when tab page changed trigger at form level.
Regards
Sri

Stacked Canvas Problem in oracle 6i form builder

Hello,
i have 2 content canvas "DTL and PUNCH",1 tab,1 horizontal canvas in window1 and 1 another content canvas "parameter" in window2.
i have created a stacked canvas under dtl canvas because
I have a master-details form. my details has more columns so im planing to use stack canvas.
but at run time it is not displaying?
please help me regarding that?
Thanks
With Regards
Vishal Agrawal

hello,
then you should set viewport x and y position of stack canvas below the height of button in DTL block.
means If button y position = 170 then
viewport position of x = 5,
viewport position of Y = (y position of button + height of button+5) . (for Stack canvas)
Same way,
If stack canvas height = 270 then
viewport position of x = 5,
viewport position of Y = (viewport position of Y of stack canvas + height of stack canvas+5) . (for Tab canvas)
PS

Stacked Canvas question in Forms [32 Bit] Version 10.1.2.3.0 (Production)

Hi Friends, I am not sure if my explanation will suffice for resolution to this easy problem that is causing me so much grief.
I have a form with one content canvas ROOT_CNV, One tab canvas TAB_CNV with two tab pages and One STACK Canvas Stack_CNV.
All these canvases are on one Window ROOT_WINDOW.
The tab canvas (TAB_CNV) is tabular in nature.
There is a menu button that you can press that switches one record in the tab canvas and place this record in the stack_cnv. All the fields on the stack_cnv are mirror_image of the Tab canvas record that is the items are synchronised.
NOW THE PROBLEM. When you press the switch button and you are in the stack canvas and you try to query any record, the form will take you back to the tab canvas and the fields will freezes, there are lots of forms here with this functionality that woks, but I cannot figure out while this particular one is behaving lke this.
I have made the Stack canvas smaller, however, the issue is till the same, I think it has to do with the stacking order and I had already rearrange this to know avail, any suggestion will be appreciated.
Thank you.
Tab canvas
Page 1        Page 2
*===== ========*
record     proj              sub         Status
*1 A 1 ACTIVE*
*2 B 1 PENDING*
*3 C 1 ACTIVE*
*4 C 2 ACTIVE*
Click on the Menu Icon on record 1, then the stack canvas shows up (Stack_CNV) in a form Format
**STACK_CNV* Page1 Page2*
*===== =======*
Prog:       A                Sub : 1
Status :   ACTIVE
The tab pages still shows up on the stack canvas which is okay, however, when you try to query from the stack canvas, it takes you back to the tab canvas and everything freezes. Both canvas are on Root_cnv content canvas.

Hi Ade2
Pls Create a KEY-ENTQRY trigger at the form level add the following code :
GO_BLOCK('dept');
CLEAR_BLOCK(no_commit);
ENTER_QUERY;Hope this helps...
Regards,
Amatu Allah

Simple Problem with Stacked Canvas, I hope

Hello all,
I am become a bit frustrated with what I thought would be a simple form development solution. I am trying to create a form with a stacked canvas that will display about 20 fields that can be scrolled through. This is the detail
Total of 25 fields
5 Fields on the content canvas
20 Fields on the stacked canvas
I created the first canvas that originally contained all 25 fields. Then I created the stacked canvas and moved the appropriate fields to the stacked canvas. Using the forms builder editor, I positioned my stacked canvas as such so that it would not overlap the last field on the content canvas or visa versa. This is a form being developed for Oracle EBus. Whenever I run the form in the apps, the stacked canvas is not visible. It only becomes visible when the 1st field on the canvas has focus. When the stacked canvas becomes visible, it shows all of the items of the stacked canvas and not just the ones that I included in the viewpoint. Once I tab through the last field of the stacked canvas, it goes back to the first field on the content canvas and the stacked canvas disappears. At this point I am not doing anything complicated, but for whatever reason this just is NOT working. Any advice anyone can provide, I would very much appreciate it. This is VERY frustrating.
Thank you in advance.

Step No. 1
Set the STACKED CANVAS's property VIEWPORT WIDTH AND VIEWPORT HEIGHT
This property determines what viewable width and height of the stacked canvas at runtime.
Set SHOW HORIZONTAL SCROLL BAR or SHOW VERTICAL SCROLL BAR or BOTH as YES so that you can scroll down to view all the items in the CANVAS.
Step NO.2
In your WHEN-NEW-FORM-INSTANCE trigger, write the code to make the canvas visible
SHOW_VIEW('stack_canvas_name');

Stacked Canvas issue

1st issue:-
I have created 3 pages layout under same .fmb
Out of those , page1 I have made in content canvas & 2 layout(Say page2 & page3) I have made in two different stack canvas.Page1 contain two text field- 1.NAME 2. PROFILE CODE.
when user open it page1 (content canvas) & page2 (1st stack canvas) should show .For a specific value in PROFILE CODE (say JAPAN) profile code (page1+page3) should open.& for all other profile codes (page 1+page2) should remain,irrespective of whatever value in NAME.
Please tell me how can I do this??
1. Please help me with a sample code & also where (in which trigger) I should write the condition.
2. What all changes are required in property palette?
3. will both the canvas will be on the same window?
2nd issue:-
I have tried
In the Object Navigator, under the Canvases node, double-click the content canvas' object icon. In the Layout Editor, choose View | Stacked Views.
and could see both the page1+page2 there from layout editor.
BUT while I run it its showing only the page1(content canvas)
Please help me out.....
Thanks in advance..
Edited by: 977083 on Dec 29, 2012 5:09 AM

If I put it like this In WHEN-NEW-FORM-INSTANCE trigger check the PROFILE CODE and display the stacked canvas based on the value in PROFILE CODE---
Then content canvas will be shown first(Page1) ,then user will select profile code, depending upon the profile code selected ,either page2 (stacked canvas) or page3(stacked canvas) will be shown.
But I want whenever user opening the form ,page1 & page2 should show by default.then user will select profile code.if profile code is for page2 ,it should stay in that (default) page only.If profile code is for page3 then it will automatically go to page3 along with page1.

Stacked canvas

Hi
I have a screen where part of the block is in a 'fixed' content canvas and part is in a stacked canvas which is scrollable. Initially, both canvases are displayed and I can scroll backwards and forwards in the stacked canvas. However, when I select one of the fields that is outside the stacked canvas the stacked canvas disappears. Is there anyway of pinning the stacked canvas so that it is visible all the time.
Thanks

Hi
What i understand when your naviagation is on contact canvas item then stack canvas disappear.
it is so simple just click on the border of stack canvas and drag the stack canvas away from the items of contant canvas. it may possible your stack canvas is over the any item of contant canvas
Regards

Calling values to a Stacked Canvas

Is there a way to pull information from different tables onto a stacked canvas? I want to be able to call this canvas from an Order form to check on the payment history of customers. I would like to grey out (disable) the text items I create on the stacked canvas so that it appears like text are directly written on the stacked canvas.

Here's another option...
Instead of the Control block that duplicates the items that you want to show on the stacked canvas, you can just duplicate the item in whatever block it is in. Give the item a different name, set the "Synchronize With Item" property to the actual item, make the new item a non-database item, and set the new item's canvas to your stacked canvas. Then you do need any code to copy the values. It will always be synchronized with the original item.
It isn't that much different, but you don't have the side effect of changing blocks when you navigate to the item on the stacked canvas.

Stacked canvas appearing over content canvas by default

Hi Guys,
I have a Main content canvas and a stacked canvas. Both are having common single window attached to them window type is Document.
When I launch this form then main content canvas is displayed but with stacked canvas on top of it.
Control is in main content canvas but stacked canvas is over main content canvas.
This stacked canvas should appear after some action like list change or button push which are on main content canvas.
I have checked there is no go_item call for any objects on this stacked canvas.
I have tried with commenting the code which shows canvas (show_view), still the stacked canvas appears on top of content canvas.
Can anyone guide me on this?
Thanks,
Av.

change the visible property of stack canvas to no and
when u want to display that canvas,,
use GO_ITEM(to send to any item in stack canvas)...
and to hide use HIDE_VIEW('your canvas name');
and be sure when u running the form, your cursor wont go to stack canvas items... because when the cursor goes there, the canvas will appear..
-- Aamir...

Stacked canvas not visible in Content view???

I am following Oracle Forms Interactive Workbook and have downloaded a solution which involves implementing a scrolling stacked canvas. When looking at the solution I can see the scrolling stacked canvas items in the layout editor when the content canvas is selected. But when i look at MY form in the layout editor and do the same the only way i can see the stacked canvas items is by choosing STACKED in the object viewer.
So how do i view the content canvas with the stacked canvas items/frame together.
Presently when i run the form I see both no problem but the placement of the stacked canvas items is askew so i need to see both together in editior mode.
Thanks in anticipation
Fergus

Hi Frank,
Many thanks for that and I should have known but would have chased my tail for ages. Just one thing how do you subsequently deselect the stacked view. When I go to "View" --> "Stacked Views" and select the view to show it shows, great, but how on earth do i deselect it? I have tried everything.
Regards
Fergus

Tab Canvas displaying Stacked Canvas at runtime disappears?

Hi,
I have 3 canvases that contain the following:
1) Content Canvas -- This contains the TREE item.
2) Tab Canvas -- A tab canvas with a single Tab Page
3) Stacked Canvas -- This is a Stack Canvas with a few
text items on it.
4) Single Window.
======At runtime the following actions occur: ==========
1) The Viewport of the stacked canvas is set to the
Viewport of the Tab Page on the Tab Canvas so that it
looks like the Tab Page has a vertical and horizontal
scrollbar with text items displayed.
2) A text item on the Stacked Canvas is in focus as soon
the as the form window is displayed.
===================Problem is : =====================
1) When I select a Node of the Tree Item, the Tab Canvas
automatically disappears(or becomes invisible) , as a
result the stacked canvas displayed within it at
runtime also becomes invisible. I am left with only
the Tree item being displayed.
=======================================================
PS : I have never experienced this problem with just the
content canvas and the Tab Canvas together.
Any soultion to this problem is most appreciated.
Thanks
Sharath

I am experiencing the exact same thing. The width of the tabs in the layout editor is varied depending on the length of the text. However, at run-time, the width of the tabs is fixed, causing the tabs to be wider than the window and a set of VCR buttons to appear in the upper right corner of the canvas. Personally, I think this is a Forms bug. Why would they intentionally let us set the width to variable at design-time only to force a fixed width at run-time?

Tab canva disapear whith stacked canvas

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