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Subject: ODF Next proposal "Floating Table Positioning" - Was: [office] Featureunder evaluation at Redflag 2000


Dear TC members,

please find the "Floating Table Positioning" proposal for ODF Next 
attached as ODF document and below in plain text, mainly drafted by my 
colleague Hua Shuran.

We will also add the document to the wiki soon.

Best regards,
Peter

Summary
=======

Proposal by:
------------
Shuran Hua, huashuran@redoffice.com

Proposal short name:
--------------------
Floating Table Positioning

Abstract:
---------
This proposal introduces absolute positioning properties for tables, 
strongly similar to those of <draw:frame>, please refer ODF 1.2, CD02, 
section 9.4.2.
http://www.oasis-open.org/committees/download.php/32431/OpenDocument-v1.2-cd02.odt

Rationale
=========

Use cases:
----------
Floating tables are tables in a document which are not part of the main 
text flow, rather they are absolutely positioned on a specific page 
allowin users increased flexibility for the layout of their documents.
Adding the feature will also increase interoperability with both UOF and 
OOXML, as they already know similar features.

Alternatives considered:
------------------------
None.

Requested changes to the ODF Standard
=====================================

Text changes/additions:
-----------------------
1) Add certain new properties to 16.7 <style:table-properties> as 
following (with text added in orange):

16.7 <style:table-properties>
	…
The <style:table-properties> element has the following attributes:
… table:display 18.404, draw:z-index 17.235, style:horizontal-pos 
18.288, style:horizontal-rel 18.289, style:vertical-pos 18.385, 
style:vertical-rel 18.386, svg:x 18.399, svg:y 18.400 and 
style:allowoverlap 18.424.
	…

2) Update the references in sections 17.235 draw:z-index, 18.288 
style:horizontal-pos, 18.289 style:horizontal-rel, 18.385 
style:vertical-pos, 18.386 style:vertical-rel, 18.399 svg:x and 18.400 
svg:y.
Exemplary the changes for 17.235 draw:z-index (with text added in orange):

17.235 draw:z-index
The draw:z-index attribute defines a rendering order for shapes and 
tables in a document instance. Shapes are rendered in the order in which 
they appear in the document in the absence of this attribute. As the 
attribute of  the <style:table-properties>, draw:z-index is used to mark 
the layers of each table when the value of style:allowoverlap attribute 
is set to true
     attribute-draw:z-index
The draw:z-index attribute is usable with the following elements: 
<dr3d:cube>, [...], <draw:regular-polygon>, <office:annotation> and 
<style:table-properties>.
The draw:z-index attribute has the data type nonNegativeInteger.

3) Add section 18.424  style:allowoverlap:

18.424  style:allowoverlap
The style:allowoverlap attribute specifies whether the current object 
shall allow other objects to overlap its extents when the objects are 
displayed in a document. This attribute can have a value of true or false.
If true, then no adjustment shall be made to prevent objects whose 
properties would normally cause them to overlap from overlapping when 
displayed.
If false, then the objects shall be adjusted as needed to prevent them 
from overlapping when displayed by adjusting the floating objects 
properties as needed.
The default value for this attribute is false.
The style:allowoverlap attribute is usable with the following element: 
<style:table-properties> 16.7.
The style:allowoverlap attribute has the data type boolean.

Note: The above given section numbers are regarding 
“OpenDocument-v1.2-cd02.odt”
http://www.oasis-open.org/committees/download.php/32431/OpenDocument-v1.2-cd02.odt

Schema changes/additions:
-------------------------
Add the following definitions (text added in orange) in 
“OpenDocument-schema-v1.2-cd02.rng”:
http://www.oasis-open.org/committees/download.php/32433/OpenDocument-schema-v1.2-cd02.rng.zip
17640<define name="style-table-properties-attlist" combine="interleave">
17641<ref name="common-background-color-attlist"/>
17642</define>
17643<define name="style-table-properties-attlist" combine="interleave">
17644    <optional>
17645        <attribute name="style:horizontal-pos">
17646            <choice>
17647                <value>left</value>
17648                <value>center</value>
17649                <value>right</value>
17650                <value>from-left</value>
17651                <value>inside</value>
17652                <value>outside</value>
17653                <value>from-inside</value>
17654            </choice>
17655        </attribute>
17656    </optional>
17657    <optional>
17658        <attribute name="svg:x">
17659            <ref name="coordinate"/>
17660        </attribute>
17661    </optional>
17662</define>
17663<define name="style-table-properties-attlist" combine="interleave">
17664    <optional>
17665        <attribute name="style:horizontal-rel">
17666            <choice>
17667                <value>page</value>
17668                <value>page-content</value>
17669                <value>page-start-margin</value>
17670                <value>page-end-margin</value>
17671                <value>frame</value>
17672                <value>frame-content</value>
17673                <value>frame-start-margin</value>
17674                <value>frame-end-margin</value>
17675                <value>paragraph</value>
17676                <value>paragraph-content</value>
17677                <value>paragraph-start-margin</value>
17678                <value>paragraph-end-margin</value>
17679                <value>char</value>
17680            </choice>
17681        </attribute>
17682    </optional>
17683</define>
17684<define name="style-table-properties-attlist" combine="interleave">
17685    <ref name="common-vertical-pos-attlist"/>
17686</define>
17687<define name="style-table-properties-attlist" combine="interleave">
17688    <ref name="common-vertical-rel-attlist"/>
17689</define>
17690<define name="style-table-properties-attlist" combine="interleave">
17691    <ref name="common-allowoverlap-attlist"/>
17692</define>
17693<define name="common-allowoverlap-attlist" combine="interleave">
17694    <optional>
17695        <attribute name="style:allowoverlap">
17696            <ref name="boolean"/>
17697        </attribute>
17698    </optional>
17699</define>
17700<define name="style-table-properties-attlist" combine="interleave">
17701    <ref name="common-draw-z-index-attlist"/>
17702</define>

Impacts
=======

Conformance:
------------
Does this proposal add any mandatory features or behaviors to ODF 
documents or applications?
This feature should be mandatory for all products implementing 'ODF Next'.

Backwards compatibility:
------------------------
If we make this change, what will be the impact on existing ODF processors?
Existing ODF processors are expected to ignore the floating table 
positioning feature.

Accessibility impact:
---------------------
Will this feature require review by the Accessibility Subcommittee? For 
example, does it add structure to the document that can be navigated, 
store a user-viewable string or associate a label with content?
Accessibility should be handled in the same way as with other shapes.

Workflow (to be filled in by TC Chairs)
=======================================

Category: CategoryNewProposal
Date Proposal initially made:
Dates Proposal discussed on TC calls:
Date vote is requested:
Date vote is held:
Results of vote:



Peter Junge wrote:
> Dear TC members,
> 
> our team at Redflag 2000 is currently evaluating a feature related to 
> tables in word processors, we call 'Floating Table Positioning'. So far, 
> tables cannot be absolutely positioned in ODF text documents, except 
> they are embedded in a "draw:frame" element, please refer section 9.4.2 
> in ODF 1.2, Part 1, CD03[1]. Other document standards, namely OOXML 
> (section 17.4.60 tblPr, Part 1, ISO 29500, Page 484) and UOF support 
> absolute positioning of tables in text documents, quite similar to 
> "draw:frame" in ODF, so we would like to submit a proposal that adds 
> this feature in order to increase interoperability.
> 
> Consequently, I would like to raise two questions:
> 
> 1) Is any TC member already working on a similar feature?
> 
> 2) Considering such feature seems to be quite obvious, as well it is 
> quite easy to add, hence I would like to know if there is a telling 
> argument, why it hasn't made it into ODF yet?
> 
> Best regards,
> Peter
> 
> [1] 
> http://www.oasis-open.org/committees/download.php/33633/OpenDocument-v1.2-part1-cd03.odt 
> 
> 

-- 
Peter Junge
Open Source Strategy Director

Beijing Redflag Chinese 2000 Software Co., Ltd.
Building No.2, Block A, Huilongsen, 18 Xihuan Nanlu
Beijing Economic-Technological Development Area
100176 Beijing - P.R.China

北京红旗中文贰仟软件技术有限公司
地址:北京经济技术开发区(亦庄)西环南路18号汇龙森A座二层
邮编:100176

电话/Tel: +86-10-51570010 ext.6183
邮箱/e-mail: peterjunge@RedOffice.com
http://www.RedOffice.com

ODF-Proposal-FloatingTablePositioning.odt



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