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Stacked canvas / How to organize horizontal scrolling for DataBlock? [message #620834]

Wed, 06 August 2014 09:41

alex_shynk
Messages: 22
Registered: July 2014

Junior Member

It is next trouble. For one form many DataBlocs i want to organize horizontal scrollbar.
In the Internet many articles where is written that it needs to use Stacked Canvas. But didn't find how to place Stacked Canva on Content Canva.

Please, write who know - how to make horizontal scrollbar for datablock's items?

[Updated on: Wed, 06 August 2014 09:43]

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Re: How to organize horizontal scrolling for DataBlock? [message #620856 is a reply to message #620834]

Wed, 06 August 2014 12:10

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
Account Moderator

As you already found yourself, a stacked canvas is the way to do that. I'd suggest you to open Forms Online Help and carefully read topics that cover canvases and ways they are used. Start with "About Stacked Canvases"; it contains links for further reading at the bottom of that document.

As of positioning a stacked canvas on the content canvas, research canvas' VIEWPORT properties.

Finally, the best you can do is to try it yourself, modify viewport properties and see how the stacked canvas moves.

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Re: How to organize horizontal scrolling for DataBlock? [message #620917 is a reply to message #620856]

Thu, 07 August 2014 03:27

alex_shynk
Messages: 22
Registered: July 2014

Junior Member

Please, who know how to attach Stacked Canva to Content Canva, write it here.

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Re: How to organize horizontal scrolling for DataBlock? [message #620919 is a reply to message #620917]

Thu, 07 August 2014 03:33

Littlefoot
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Registered: June 2005
Location: Croatia, Europe

Senior Member
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Why would I (or anyone else) reinterpret what Oracle has already done? You just have to read it and follow instructions you find in Help. If you have a question about a specific problem (which might happen, once you start creating a canvas), say so. Don't expect me to lead you through it step by step, because I will not do that.

By the way, learn how to properly spell its name: it is a CANVAS, not a CANVA.

[Updated on: Thu, 07 August 2014 03:33]

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Re: How to organize horizontal scrolling for DataBlock? [message #620920 is a reply to message #620919]

Thu, 07 August 2014 03:52

alex_shynk
Messages: 22
Registered: July 2014

Junior Member

Littlefoot wrote on Thu, 07 August 2014 03:33

Why would I (or anyone else) reinterpret what Oracle has already done? You just have to read it and follow instructions you find in Help. If you have a question about a specific problem (which might happen, once you start creating a canvas), say so. Don't expect me to lead you through it step by step, because I will not do that.

By the way, learn how to properly spell its name: it is a CANVAS, not a CANVA.

Please, give me a link to instruction where it is described step by step.
I spent much time and read many articles, but i have not found it yet.

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Re: How to organize horizontal scrolling for DataBlock? [message #620921 is a reply to message #620920]

Thu, 07 August 2014 04:22

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
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I don't have any link. Instead of searching for "step by step" instructions, you'd rather read documentation. I'll repeat it for the last time: it is described in Forms Online Help. Maybe you read it, but you didn't understand what documentation says. Therefore, read it again (and again, if necessary).

If I managed to create stacked canvases on content canvases zillion times, that can't be an impossible mission.

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Re: How to organize horizontal scrolling for DataBlock? [message #620956 is a reply to message #620921]

Thu, 07 August 2014 08:07

azamkhan
Messages: 557
Registered: August 2005

Senior Member

Well for a very quick reply. use the following command..

SHOW_VIEW (view_name VARCHAR2);

I hope that will answer the question.

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It is not shown a Stacked Canvas [message #621056 is a reply to message #620834]

Fri, 08 August 2014 01:53

alex_shynk
Messages: 22
Registered: July 2014

Junior Member

I have two Canvas for one Window.
First is Content Canvas - primary canvas for window.
Second is Stacked Canvas.
On Stacked Canvas is situated items of one DataBlocks

But Stacked Canvas is not shown.

Please,who know or guess, write why it can be?

[Updated on: Fri, 08 August 2014 01:55]

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Re: It is not shown a Stacked Canvas [message #621057 is a reply to message #621056]

Fri, 08 August 2014 01:57

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
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Did you show it? See azamkahn's message.

Did you study Forms Help as I pointed you to?

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Re: It is not shown a Stacked Canvas [message #621058 is a reply to message #621057]

Fri, 08 August 2014 02:20

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
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Additionally, did you set the stacked canvas viewport properties so that it is placed on visible part of content canvas? Pay attention to those values, otherwise you won't see it.

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Re: It is not shown a Stacked Canvas [message #621081 is a reply to message #621058]

Fri, 08 August 2014 07:39

azamkhan
Messages: 557
Registered: August 2005

Senior Member

I am assuming that the view port setting of x pos and y pos are O.K. and stack canvas is not on any text item that has focus.

If all the above is O.K. then after

SHOW_VIEW (view_name VARCHAR2);

Place the following command

Synchronize;

I hope that should do.

[Updated on: Fri, 08 August 2014 07:44]

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