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As tabelas podem ser criadas em páginas wiki. Como regra geral, é aconselhável evitar o uso de tabelas, a menos que seja realmente necessário. A marcação de tabelas geralmente dificulta a edição de páginas.[1]
Resumo dos elementos wiki de construção de tabelas[edit]
{|
início da tabela, obrigatório
|+
título da tabela, opcional; só pode ser colocado entre o início da tabela e a primeira linha da tabela
|-
linha da tabela,opcional na primeira linha -- a wiki assume a primeira linha mesmo sem este elemento.
!
linha de células que servem de cabeçalhos das colunas, opcional. Os cabeçalhos das colunas podem ser colocados consecutivamente, separados por dois pontos de exclamação (!!), ou colocados um por linha, cada linha começada por um ponto de exclamação (!).
|
linha de células com os dados da tabela, opcional! Consecutive table data cells may be added on same line separated by double marks (||) or start on new lines, each with its own single mark (|).
|}
final da tabela, obrigatório
The above marks must start on a new line except the double || and !! for optionally adding consecutive cells to a line. However, blank spaces at the beginning of a line are ignored.
Atributos XHTML. Each mark, except table end, optionally accepts one or more XHTML attributes. Attributes must be on the same line as the mark. Separate attributes from each other with a single space.
Cells and caption (| or ||, ! or !!, and |+) hold content. So separate any attributes from content with a single pipe (|). Cell content may follow on same line or on following lines.
Table and row marks ({| and |-) do not directly hold content. Do not add pipe (|) after their optional attributes. If you erroneously add a pipe after attributes for the table mark or row mark the parser will delete it and your final attribute if it was touching the erroneous pipe!
Content may (a) follow its cell mark on the same line after any optional XHTML attributes or (b) on lines below the cell mark. Content that uses wiki markup that itself needs to start on a new line, such as lists, headings, or nested tables, must be on its own new line.
Pipe character as content. To insert a pipe (|) character into a table, use the <nowiki>|</nowiki> escaping markup.
The cells in the same row can be listed on one line separated by || (two pipe symbols). If the text in the cell should contain a line break, use <br /> instead.
Extra spaces within cells in the wiki markup, as in the wiki markup below, do not affect the actual table rendering.
You type
You get
{|
| Orange || Apple || more
|-
| Bread || Pie || more
|-
| Butter || Ice cream || and more
|}
Orange
Apple
more
Bread
Pie
more
Butter
Ice cream
and more
You can have longer text or more complex wiki syntax inside table cells, too:
You type
You get
{|
|Lorem ipsum dolor sit amet,
consetetur sadipscing elitr,
sed diam nonumy eirmod tempor invidunt
ut labore et dolore magna aliquyam erat,
sed diam voluptua.
At vero eos et accusam et justo duo dolores
et ea rebum. Stet clita kasd gubergren,
no sea takimata sanctus est Lorem ipsum
dolor sit amet.
|
* Lorem ipsum dolor sit amet
* consetetur sadipscing elitr
* sed diam nonumy eirmod tempor invidunt
|}
Lorem ipsum dolor sit amet,
consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
You can also use cell attributes when you are listing multiple cells on a single line. Note that the cells are separated by ||, and within each cell the attribute(s) and value are separated by |.
If "border-width:" has more than one number, the four numbers are for top, right, bottom, left (REMEMBER this order):
You type
You get
{|style="border-style: solid; border-width: 10px 20px 100px 0"
|
Hello
|}
Hello
When there are fewer than 4 values, the value for left takes its default from the value for right, the value for bottom takes its default from the value for top, and the value for right takes its default from the value for top.
Another method to define the widths of the four sides of a cell is to use "border-left", "border-right", "border-top" and "border-bottom":
The HTML attributes (such as "width=", "border=", "cellspacing=", "cellpadding=") do not need any length unit (the pixel unit is assumed). They are also invalid in HTML 5.
The CSS style properties (which override the HTML attributes) require an explicit length unit (if the value is not 0) such as "px" for the pixel.
{| style="color: black; background-color: #ffffcc; width: 85%;"
| colspan="2" | This column width is 85% of the screen width (and has a background color)
|-
| style="width: 30%; background-color: white;"|
'''This column is 30% counted from 85% of the screen width'''
| style="width: 70%; background-color: orange;"|
'''This column is 70% counted from 85% of the screen width (and has a background color)'''
|}
You get:
This column width is 85% of the screen width (and has a background color)
This column is 30% counted from 85% of the screen width
This column is 70% counted from 85% of the screen width (and has a background color)
Table header cells do not explicitly specify which table data cells they apply to (those on their right on the same row, or those below them on the same column). When the table is rendered in a visual 2D environment, this is usually easy to infer.
However when tables are rendered on non-visual media, you can help the browser to determine which table header cell applies to the description of any selected cell (in order to repeat its content in some accessibility helper) using a scope="row" or scope="col" attribute on table header cells. In most cases with simple tables, you'll use scope="col" on all header cells of the first row, and scope="row" on the first cell of the following rows:
Table alignment is achieved by using CSS. The table alignment is controlled by margins. A fixed margin on one side will make the table to be aligned to that side, if on the opposite side the margin is defined as auto. To have a table center aligned, you should set both margins to auto
If you align a table to the right or the left side of the page, the text that comes after the table starts at the end of it, leaving an empty space around the table. You can make the text to be wrapped around the table by making the table to float around the text instead of just aligning it. This can be achieved using the float CSS attribute, which can specify where the table floats to the right side or to the left. When using float, margins doesn't control table alignment and can be used to specify the margin between the table and the surrounding text.
You type
You get
{| class="wikitable" style="float:right; margin-left: 10px;"
| Orange
| Apple
|-
| Bread
| Pie
|-
| Butter
| Ice cream
|}
Lorem ipsum dolor sit amet, consectetuer adipiscing
elit, sed diam nonummy nibh euismod tincidunt ut
laoreet dolore magna aliquam erat volutpat. Ut wisi
enim ad minim veniam, quis nostrud exerci tation
ullamcorper suscipit lobortis nisl ut aliquip ex ea
commodo consequat. Duis autem vel eum iriure dolor
in hendrerit in vulputate velit esse molestie consequat,
vel illum dolore eu feugiat nulla facilisis at vero
eros et accumsan et iusto odio dignissim qui blandit
praesent luptatum zzril delenit augue duis dolore te
feugait nulla facilisi.
Orange
Apple
Bread
Pie
Butter
Ice cream
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
The alignment of cell contents can be controlled with 2 different CSS properties: text-align and vertical-align. text-align can be specified at the table, row or individual cells, while vertical-align only can be specified at individual rows or cells.
You type
You get
{| class="wikitable"
|- style="vertical-align:top;"
| style="height:100px; width:100px; text-align:left;" | A
| style="height:100px; width:100px; text-align:center;" | B
| style="height:100px; width:100px; text-align:right;" | C
|- style="vertical-align:middle;"
| style="height:100px; width:100px; text-align:left;" | D
| style="height:100px; width:100px; text-align:center;" | E
| style="height:100px; width:100px; text-align:right;" | F
|- style="vertical-align:bottom;"
| style="height:100px; width:100px; text-align:left;" | G
| style="height:100px; width:100px; text-align:center;" | H
| style="height:100px; width:100px; text-align:right;" | I
|}
If you start a cell on a new line with a negative number with a minus sign (or a parameter that evaluates to a negative number), your table can get broken, because the characters |- will be parsed as the wiki markup for table row, not table cell. To avoid this, insert a space before the value (| -6) or use in-line cell markup (|| -6).
Table borders specified through CSS rather than the border attribute will render incorrectly in a small subset of text browsers.
Common attributes for columns, column groups and row groups[edit]
The MediaWiki syntax for tables currently offers no support for specifying common attributes for columns (with the HTML element <col />), column groups (HTML element <colgroup></colgroup>) and row groups (HTML elements <thead></thead>, <tbody></tbody> and <tfoot></tfoot>). Those standard HTML elements are not accepted even in their HTML or XHTML syntax.
All the rows and cells (header or data) of the table are rendered within a single implicit row group (HTML element <tbody></tbody>) without any attributes or styles.
↑Tables can be created using either XHTML table elements directly, or using wikicode formatting to define the table. Os elementos de formatação XHTML são amplamente descritos em vários sites na internet e não serão discutidos aqui. A vantagem dos elementos de formatação wiki, é que a tabela é construída usando caracteres normais que, em comparação com os correspondentes elementos XHTML, tendem a facilitar a compreensão da estrutura da tabela ao editar a página.
Nota:
