org.xwiki.gwt.wysiwyg.client.plugin.indent.exec
Class OutdentExecutable

java.lang.Object
  org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractRichTextAreaExecutable
      org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractSelectionExecutable
          org.xwiki.gwt.wysiwyg.client.plugin.indent.exec.AbstractListExecutable
              org.xwiki.gwt.wysiwyg.client.plugin.indent.exec.OutdentExecutable

All Implemented Interfaces:

Executable

public class OutdentExecutable
extends AbstractListExecutable

Outdent executable to handle valid XHTML lists outdent, semantically: when a list item is outdented, all its subitems are outdented as well.

Version:

$Id: OutdentExecutable.java 26786 2010-02-07 16:46:17Z mflorea $

Field Summary

protected static java.lang.String

LINE_BREAK_TAG Line break tag, to help manage empty list items after outdenting sublists.

Fields inherited from class org.xwiki.gwt.wysiwyg.client.plugin.indent.exec.AbstractListExecutable

LIST_ITEM_TAG, ORDERED_LIST_TAG, UNORDERED_LIST_TAG

Fields inherited from class org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractSelectionExecutable

cache, domUtils

Fields inherited from class org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractRichTextAreaExecutable

rta

Constructor Summary

OutdentExecutable(RichTextArea rta)
Creates a new executable that can be used to decrease the identation of list items inside the specified rich text area.

Method Summary

protected boolean	canExecute(Element listItem) Checks if this command can be executed on a single list item.
protected void	execute(Element listItem) Actually executes the operation on a single list item. Moves the passed lust item one level up, as a next sibling of the list item it takes part of.
protected boolean	executeOnMultipleItems(Range range, boolean perform) Executes this list operation on all items in the non-collapsed selection.
protected void	outdentFirstLevelItem(Element listItem, Element parentList) Outdents an element on the first level of the list, by splitting the list in two, and leaving the list item's content as text between the lists.
void	outdentItem(Element listItem, Element parentList, Element parentListItem) Actually executes the outdent on listItem, with respect to the list it takes part of.

Methods inherited from class org.xwiki.gwt.wysiwyg.client.plugin.indent.exec.AbstractListExecutable

execute, getListItem, isEnabled, isList

Methods inherited from class org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractSelectionExecutable

getParameter, hasValidSelection, isExecuted

Methods inherited from class org.xwiki.gwt.user.client.ui.rta.cmd.internal.AbstractRichTextAreaExecutable

isSupported

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LINE_BREAK_TAG

protected static final java.lang.String LINE_BREAK_TAG

Line break tag, to help manage empty list items after outdenting sublists.

See Also:

Constant Field Values

Constructor Detail

OutdentExecutable

public OutdentExecutable(RichTextArea rta)

Creates a new executable that can be used to decrease the identation of list items inside the specified rich text area.

Parameters:

rta - the execution target

Method Detail

canExecute

protected boolean canExecute(Element listItem)

Checks if this command can be executed on a single list item.

Overrides:

canExecute in class AbstractListExecutable

Parameters:

listItem - the list item to check if the command can be executed on

Returns:

true if the command can be executed, false otherwise

execute

protected void execute(Element listItem)

Actually executes the operation on a single list item. This should be called only after AbstractListExecutable.canExecute(Element) on the same list item returns true. Moves the passed lust item one level up, as a next sibling of the list item it takes part of. If it's a first level list item, it is pulled out of its list.

Specified by:

execute in class AbstractListExecutable

Parameters:

listItem - the list item to execute the operation on

executeOnMultipleItems

protected boolean executeOnMultipleItems(Range range,
                                         boolean perform)

Executes this list operation on all items in the non-collapsed selection. The perform parameter specifies if the operation is actually performed or just checked to be possible (while this kind of parameters are not good practice, it's the best way right now to make sure we use the same detection algorithm in the #execute(RichTextArea, String) and #isEnabled(RichTextArea) functions).

Specified by:

executeOnMultipleItems in class AbstractListExecutable

Parameters:

range - the current range to execute the operation on

perform - true if the operation is to be actually executed, false if it's only to be checked

Returns:

true if at least one of the items in the selection was affected, false otherwise.

outdentItem

public void outdentItem(Element listItem,
                        Element parentList,
                        Element parentListItem)

Actually executes the outdent on listItem, with respect to the list it takes part of.

Parameters:

listItem - the list item to outdent

parentList - the list in which it is placed

parentListItem - the list item in which this sublist is placed

outdentFirstLevelItem

protected void outdentFirstLevelItem(Element listItem,
                                     Element parentList)

Outdents an element on the first level of the list, by splitting the list in two, and leaving the list item's content as text between the lists.

Parameters:

listItem - the list item that needs to be unindented

parentList - the parent list of this item