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Difference between revisions of "Vex/UserGuide"

< Vex
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Vex provides several commands to edit a XML document.  
 
Vex provides several commands to edit a XML document.  
  
Editing Tip
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'''Editing Tip:''' Currently, Vex only displays the rendered view of the XML document, so you may want to also open the document using the Eclipse XML Editor. Having the document open in both editors allows you to move between the rendered XML in Vex and the source XML in the XML Editor.
 
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*Currently, Vex only displays the rendered view of the XML document, so you may want to also open the document using the Eclipse XML Editor. Having the document open in both editors allows you to move between the rendered XML in Vex and the source XML in the XML Editor.
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=== Copy and Paste  ===
 
=== Copy and Paste  ===
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=== Find/Replace  ===
 
=== Find/Replace  ===
  
The option ''Scope'' is inoperable.  
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The option ''Scope'' is inoperable.
  
 
== Vex Plug-in Project: Configure your own XML format  ==
 
== Vex Plug-in Project: Configure your own XML format  ==

Revision as of 09:33, 9 January 2013

Vex User Guide

Overview

What is Vex?

Vex is a Visual Editor for XML that hides the raw XML tags from the user, providing instead a word processor like interface. Vex uses standard DTD files to define document types and CSS stylesheets to define document layout. Vex contains definitions for DocBook, DITA and XHTML. To edit other XML formats only a DTD (or XML schema) and a CSS are needed.

VexPerspectiveComplete.png

Who Uses Vex?

Installation

After installing one of the Eclipse Indigo or later packages, the easiest way to install Vex is via the Eclipse Marketplace by performing the following steps:

  • Select the Help - Eclipse Marketplace... menu item
  • Enter "Vex" in the Find field of the Search tab and select [Go]
  • Select [Install]
  • Follow prompts

The Vex installer adds the following items to your Eclipse installation.

  • Visual XML Editor
  • XML Authoring Perspective
  • XML Authoring New Document Wizard
  • XML Authoring New Visual XML Plug-in Project Wizard

The Vex installer also makes the Visual XML editor the default editor for xml files.  If you would like to change this preference see the General - Editors - File Associations section of the Eclipse Preferences tool.

Document Creation

After installation, you are ready to create and edit an XML document using the Vex tools.  You are not required to use the Vex tools to create the initial XML document but the Vex tools may help you get started.  After creating a project to contain your XML document, perform the following step:

  • Select the File - New - Other menu item
  • Expand the XML Authoring section

VexSelectNewDocumentWizard.png

  • Select Document and then select the [Next] button
  • Select the Document Type and Root Element and then select the [Next] button

VexCreateDocbookArticle.png

  • Select location for the file and enter the file name (Note: include the .xml or .xhtml at the end of the file name.)
  • Select finish

Vex supports the following Document Types out of the box.

  • DITA Composite
  • DITA Concept
  • DITA Map
  • DITA Reference
  • DITA Task
  • DITA Topic
  • DocBook 4.5
  • DocBook 5.0 (either as DTD or XML schema)
  • Eclipse Project Plan
  • XHTML 1.0 Strict

After creating the document you are ready to add elements and content.

Document Navigation

You navigate between and within document elements using the mouse and the arrow keys on your keyboard.  As you navigate the document, the Eclipse status bar displays your current location within the document and the cursor orientation gives you clue as to what you can do at the current location.

VexStatusBarLocationPath.png

A vertical cursor indicates that you can type content into the element while a horizontal cursor indicates that Vex is expecting you to insert new element.

Navigation Tip: Sometimes it is difficult or impossible to select the correct location to insert a new element using the mouse.  However, you should be able to get close with the mouse and then use the arrow keys to find the desired location.

Document Editing

Vex provides several commands to edit a XML document.

Editing Tip: Currently, Vex only displays the rendered view of the XML document, so you may want to also open the document using the Eclipse XML Editor. Having the document open in both editors allows you to move between the rendered XML in Vex and the source XML in the XML Editor.

Copy and Paste

Undo/Redo

Add Element

To insert a new element at the current cursor position or - in the case if something is selected - to surround the selected text or fragment with a new element:

  1. Choose Document | Add | Element... (or hit Ctrl+Space)
  2. In the content assist which pops up choose the element to add by one of the following possibilities:
    • Use Up and Down keys to select element and hit Return
    • Click on the element to add
    • To filter the list of elements type the name or a part of the name and hit Return to add the topmost element

Tip: To place the cursor at the proper position (e.g. a new chapter between two existing chapters in DocBook) see the path which is shown in the status bar.

Duplicate Selection

This command duplicates the currently selected elements and inserts them at the beginning of the current selection. If there is nothing selected, 'Duplicate Selection' duplicates the element that surrounds the current cursor position.

The document's root element can, of course, not be duplicated.

Convert Element

This command allows you to change the surrounding element of the current selection. A popup dialog shows a list of all elements that could replace the element. An element A can be replaced by another element B, if B can contain all the content of A and B is allowed at A's position in the document structure. If you select one of the list items, the popup dialog is closed and the element, which surrounds the current selection is replaced by the selected element.

Remove Tag

This command removes the element that surrounds the current selection:

<emph>The element's content<emph/>

will result in

The element's content

The main purpose of this command is to remove inline elements from text. If you use 'Remove Tag' to remove structural elements (e.g. <para> or <section>), the content of the element might also be removed. The current implementation does not handle this case properly. This might change in the future.

The Remove Tag command can also be used to remove comment tags from a comment to "uncomment" text.

Find/Replace

The option Scope is inoperable.

Vex Plug-in Project: Configure your own XML format

A Vex Plug-in Project contains information about a custom document type accompanied with (at least one) style definition. This is one way to make a custom document type usable in Vex.

The Vex Plug-in consist of a file named vex-plugin.xml, which contains the configuration, plus all files needed for the document type definition (DTD) and style (CSS).

The following steps describe how the creation of such a Vex Plug-in Project works currently:

  1. Choose File | New | Project...
  2. Choose XML Authoring | Vex Plug-in Project
  3. Add the DTD and CSS file into the project
  4. Open the properties dialog for the main *.dtd file
  5. Choose Vex Document Type
  6. Enter all information about the document type and select the allowed root elements
  7. Open the properties dialog for each *.css file
  8. Choose Vex Style
  9. Give the style a name and select all document types for which this style should be available

The style can be selected in the Document menu or in the context menu of the Vex editor.

The file vex-plugin.xml can also be edited directly.

Vex Plug-in: Deploy your XML Format Configuration

CSS

Rules

Pattern Meaning See W3C
* Matches any element Universal selector
E Matches any E element (i.e., an element of type E) Type selectors
E F Matches any F element that is a descendant of an E element Descendant selectors
E > F Matches any F element that is a child of an element E Child selectors
E + F Matches any F element immediately preceded by a sibling element E (this rule is applied when saving instead of when editing the document) Adjacent selectors
E[foo] Matches any E element with the "foo" attribute set (whatever the value) Attribute selectors
E[foo="warning"] Matches any E element whose "foo" attribute value is exactly equal to "warning" Attribute selectors
E[foo~="warning"] Matches any E element whose "foo" attribute value is a list of space-separated values, one of which is exactly equal to "warning" Attribute selectors

Not (yet) supported: E:first-child (see The :first-child pseudo-class), E[lang|="en"] (see Attribute selectors), E#myid (see ID selectors), and CSS3 rules (e.g. E[foo^=bar] or E ~ F)

Layout

  • display
    • block
    • inline (default)
    • list-item (see list-style-type)
    • table
    • table-row
    • table-row-group
    • table-header-group
    • table-footer-group
    • table-column
    • table-column-group
    • table-cell
    • Not supported values: none, marker, run-in, compact, inline-table, table-caption
  • text-align
  • margin
    margin-top
    margin-bottom
    margin-left
    margin-right
    Outer space around element to display. Please note, for inline or list-item elements margin-left and margin-right are ignored.
  • padding
    padding-top
    padding-bottom
    padding-left
    padding-right
    Inner space around element to display. Please note, for inline or list-item elements padding-left and padding-right are ignored.
  • border-style
    border-top-style
    border-bottom-style
    border-left-style
    border-right-style
    • none
    • hidden
    • dotted
    • dashed
    • solid
    • Not supported values: double, groove, ridge, inset, outset
  • border-width
    border-top-width
    border-bottom-width
    border-left-width
    border-right-width
    Numeric value (e.g. 3px or:
    • thin
    • medium
    • thick
  • border-color
    border-top-color
    border-bottom-color
    border-left-color
    border-right-color
  • border
    border-top
    border-bottom
    border-left
    border-right
  • list-style-type
    • decimal
    • decimal-leading-zero
    • lower-roman
    • upper-roman
    • lower-alpha
    • upper-alpha
    • disc
    • circle
    • square
    • none
    • Not supported values: lower-greek, hebrew, cjk-ideographic, hiragana-iroha, katakana-iroha
  • ...
  • Not (yet) supported:
    visibility, position, top, left, bottom, right, width, min-width, max-width, height, min-height, max-height, overflow, direction, float, clear, clip, z-index



Font

  • font-family
    Example: font-family: Arial, sans-serif, message-box;
  • font-style
    • italic
    • oblique
    • normal
  • font-size
    Numeric value plus measuring unit, e.g. 1.2em, 14px or 12pt or one of:
    • xx-small
    • x-small
    • small
    • medium
    • large
    • x-large
    • xx-large
    • smaller
    • larger
  • font-weight
    Bold or not bold:
    • bold
    • bolder (same as bold)
    • lighter (not supported)
    • normal
    • Integer value from 100 to 900: greater or equal to 551 is bold otherwise normal
  • font
    Combines styles above: values separted by blanks in following given order (empty values can be skipped): font-style, font-weight, font-size, and font-family. Example: font: italic bold 1.5em Verdana;
  • text-decoration
    Not supported: blink, but:
    • underline (may or may not be correct; as alternative you can use: border-bottom: 1px solid;)
    • overline
    • line-through
    • none
  • color
    Examples: #FFCC99, red or rgb(255,96,0).
  • Not (yet) supported:
    font-variant, font-stretch, word-spacing, letter-spacing, text-transform


Pseudo Elements

  • my-element:before
    Example: hint:before { content: "Please note: "; color: red; }
  • my-element:after
    Example: title:after { content: ":"; }
  • my-element:COMMENT
    This non-standard pseudo element allows to define the styling of comments.
    Example: title:COMMENT { display: block; color: gray; }

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