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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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#ifndef __com_sun_star_chart_AccessibleChartElement_idl__
#define __com_sun_star_chart_AccessibleChartElement_idl__
#ifndef __com_sun_star_accessibility_XAccessible_idl__
#include <com/sun/star/accessibility/XAccessible.idl>
#endif
#ifndef __com_sun_star_accessibility_XAccessibleContext_idl__
#include <com/sun/star/accessibility/XAccessibleContext.idl>
#endif
#ifndef __com_sun_star_accessibility_XAccessibleExtendedComponent_idl__
#include <com/sun/star/accessibility/XAccessibleExtendedComponent.idl>
#endif
module com { module sun { module star { module chart {
/** This service is supported by all components that are contained in
the view of a chart document that are controlled by the chart.
Shapes added by a user via the clipboard are not treated as chart
elements.
<p>The list of objects that implement this service is
<type scope="::com::sun::star::chart">ChartTitle</type>,
<type scope="::com::sun::star::chart">ChartLegend</type>,
<type scope="::com::sun::star::chart">Diagram</type>,
<type scope="::com::sun::star::chart">ChartAxis</type>,
<type scope="::com::sun::star::chart">ChartDataRowProperties</type>,
<type scope="::com::sun::star::chart">ChartDataPointProperties</type>.
</p>
<p>The
<type scope="::com::sun::star::accessibility">XAccessibleExtendedComponent</type>
is supported by all chart elements.</p>
@since OOo 1.1.2
*/
published service AccessibleChartElement
{
/** Base interface for being accessible. It gives access to the
<type scope="::com::sun::star::accessibility">XAccessibleContext</type>
interface.
*/
interface ::com::sun::star::accessibility::XAccessible;
/** Give access to the structural information of a chart element.
<p>You can access the following information for the shapes of the above listed types:
<dl>
<dt>Role</dt>
<dd>All chart elements have the role
<const scope="::com::sun::star::accessibility">AccessibleRole::SHAPE</const>.
</dd>
<dt>Name</dt>
<dd>For unique elements you get fixed names. The unique
elements are the titles, legend, diagram and axes. The
names you get for them are "main-title", "sub-title",
"(x|y|z)-axis-title", "legend", "diagram", "(x|y|z)-axis"
and "second-(x|y)-axis", respectively.</dd>
<dt>Description</dt>
<dd>Descriptions contain a list of selected
attributes. These attributes are, if applicable:
foreground and background color, line width, font name and
size. The purpose of these attributes is to give a rough
description of the more simple geometric shapes. The list
is very restricted in order to avoid overwhelming or
confusing the user.</dd>
<dt>Children</dt>
<dd>The <type scope="::com::sun::star::chart">Diagram</type> and
the <type scope="::com::sun::star::chart">ChartLegend</type>
contain children, all other objects in a chart do not, i.e., are
leaves in the document representation tree.</dd>
<dt>Parent</dt>
<dd>Because the <code>setParent</code> method from the JAVA has
been removed, the reference to the parent has to be provided in an
implementation specific way.</dd>
<dt>Relations</dt>
<dd>They are not used at the moment.</dd>
<dt>States</dt>
<dd>The states supported by this service are:
<ul>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::DEFUNC</const>
is set if an object was removed. This indicates that the user
should release all references to the accessible object. If
this state is set then no other of the states below is set.
</li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::EDITABLE</const></li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::ENABLED</const>
is always set.<sup>†</sup></li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::MULTILINE</const>
is set for all titles.</li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::OPAQUE</const>
is set for all elements that do have a transparency
attributes set to 0% and no transparency gradient.</li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::RESIZABLE</const>
Is set for the diagram object only. All other chart elements may not be resized.</li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::SELECTABLE</const></li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::SELECTED</const></li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::SHOWING</const>
is always set.<sup>†</sup></li>
<li><const scope="::com::sun::star::accessibility">AccessibleStateType::VISIBLE</const>
is always set.<sup>†</sup></li>
</ul>
<sup>†</sup>always, except if the state
<const scope="::com::sun::star::accessibility">AccessibleStateType::DEFUNC</const>
is set.</dd>
<dt>Locale</dt>
<dd>is supported.</dd>
<dt>Property change listeners</dt>
<dd>Property change listeners that are registered with a chart
element are informed if the size or position or an attribute
changed. The last point needs a short explanation: An attribute
change is signaled even if that attribute is not part of the
shape's description and is therefore not explicitly represented by
the UAA.</dd>
</dl>
*/
interface ::com::sun::star::accessibility::XAccessibleContext;
/** Give access to the graphical representation of a chart element.
<p>The coordinate oriented methods <code>contains</code>,
<code>getAccessibleAt</code>, <code>getBounds</code>,
<code>getLocation</code>, <code>getLocationOnScreen</code>, and
<code>getSize</code> work on pixel coordinates. (To transform between
the internal 100th of mm and pixels a chart element has to have access
to information that allows it to do so. These information are the
enclosing window's size in pixel, 100th of mm, and its own relative
position in one or the other coordinate system).</p>
<p>Focus handling depends on support of the
<type scope="::com::sun::star::accessibility">XAccessibleText</type> and
<type scope="::com::sun::star::accessibility">XAccessibleEditableText</type>
interfaces.</p>
<p>Key bindings are not supported at the moment</p>
*/
interface ::com::sun::star::accessibility::XAccessibleComponent;
/** Give extended access to the graphical representation of a chart element.
<p>This interface is used primarily to provide the predominant
foreground and background colors and—if applicable, i.e. the
<type scope="::com::sun::star::accessibility">XAccessibleText</type>
interface is supported—information about the font used to display
text.</p>
<p>The foreground and background colors may in some cases be directly
taken from the object. In other cases, for example when a gradient or a
texture is used, they have to be interpolated. The color returned may
not be appropriate in all cases.</p>
<p>Specifying the font used for displaying text depends on the
transformation of UNO API font information into the Java™ format.
However, if the UAA is used directly, this is of course not an
issue.</p>
<p>The support of this interface is optional to reduce overhead in case
that no text is displayed and color information can not be determined
with an acceptable cost.</p>
*/
[optional] interface ::com::sun::star::accessibility::XAccessibleExtendedComponent;
};
}; }; }; };
#endif
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