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70 lines
1.9 KiB
70 lines
1.9 KiB
<?xml version="1.0" encoding="UTF-8" ?>
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<sect1 id="variables">
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<sect1info>
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<authorgroup>
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<author>
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<firstname>Keith</firstname>
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<surname>Isdale</surname>
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<affiliation>
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<address><email>k_isdale@tpg.com.au</email></address>
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</affiliation>
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</author>
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<!-- TRANS:ROLES_OF_TRANSLATORS -->
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</authorgroup>
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</sect1info>
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<title>Working With Variables</title>
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<para>
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If the inspector dialog is not showing use the
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<menuchoice>
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<guimenu>Tools</guimenu>
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<guimenuitem>Show inspectors</guimenuitem>
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</menuchoice>
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menu item.
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</para>
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<para>
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Local and global variables are show in a tab on the inspector dialog.
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The following example shows a XSLT code segment that declares a global and a local variable
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</para>
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<informalexample>
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<programlisting>
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<xsl:variable name="globalvariable" select="'foo'"/>
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<xsl:template match="/"/>
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<xsl:param name="localvariable" select="'bar'"/>
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</xsl:template match="/"/>
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</programlisting>
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</informalexample>
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<para>
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Clicking with with mouse on a variable in the list will cause summary
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information to be displayed in the bottom of the dialog. If a variable has
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a select expression, for example
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</para>
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<informalexample>
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<programlisting>
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<xsl:variable name="changeable" select="'oldValue'" />
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</programlisting>
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</informalexample>
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<para>
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then a new XPath an be choosen by entering a new value
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for <guilabel>Variable expression</guilabel> then clicking the <guibutton>Set expression</guibutton> button.</para>
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<screenshot>
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<screeninfo>The Variables tab</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="variables_window.png" format="PNG" />
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</imageobject>
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<textobject><phrase>The Variables Tab</phrase></textobject>
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<caption><para>The Variables Tab</para></caption>
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</mediaobject>
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</screenshot>
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<para>
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Clicking on a variable entry in the list shown will cause the cursor in
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the main window to move to the file and line number indicated.
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</para>
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</sect1>
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