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- java.lang.Object
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- javax.swing.text.View
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- javax.swing.text.ComponentView
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- javax.swing.text.html.ObjectView
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- All Implemented Interfaces:
- SwingConstants
public class ObjectView extends ComponentView
Component decorator that implements the view interface for <object> elements.This view will try to load the class specified by the
classid
attribute. If possible, the Classloader used to load the associated Document is used. This would typically be the same as the ClassLoader used to load the EditorKit. If the document's ClassLoader is null,Class.forName
is used.If the class can successfully be loaded, an attempt will be made to create an instance of it by calling
Class.newInstance
. An attempt will be made to narrow the instance to typejava.awt.Component
to display the object.This view can also manage a set of parameters with limitations. The parameters to the <object> element are expected to be present on the associated elements attribute set as simple strings. Each bean property will be queried as a key on the AttributeSet, with the expectation that a non-null value (of type String) will be present if there was a parameter specification for the property. Reflection is used to set the parameter. Currently, this is limited to a very simple single parameter of type String.
A simple example HTML invocation is:
<object classid="javax.swing.JLabel"> <param name="text" value="sample text"> </object>
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Field Summary
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Fields inherited from class javax.swing.text.View
BadBreakWeight, ExcellentBreakWeight, ForcedBreakWeight, GoodBreakWeight, X_AXIS, Y_AXIS
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Fields inherited from interface javax.swing.SwingConstants
BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST
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Constructor Summary
Constructors Constructor and Description ObjectView(Element elem)
Creates a new ObjectView object.
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Method Summary
Methods Modifier and Type Method and Description protected Component
createComponent()
Create the component.-
Methods inherited from class javax.swing.text.ComponentView
getAlignment, getComponent, getMaximumSpan, getMinimumSpan, getPreferredSpan, modelToView, paint, setParent, viewToModel
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Methods inherited from class javax.swing.text.View
append, breakView, changedUpdate, createFragment, forwardUpdate, forwardUpdateToView, getAttributes, getBreakWeight, getChildAllocation, getContainer, getDocument, getElement, getEndOffset, getGraphics, getNextVisualPositionFrom, getParent, getResizeWeight, getStartOffset, getToolTipText, getView, getViewCount, getViewFactory, getViewIndex, getViewIndex, insert, insertUpdate, isVisible, modelToView, modelToView, preferenceChanged, remove, removeAll, removeUpdate, replace, setSize, updateChildren, updateLayout, viewToModel
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Constructor Detail
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ObjectView
public ObjectView(Element elem)
Creates a new ObjectView object.- Parameters:
elem
- the element to decorate
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Method Detail
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createComponent
protected Component createComponent()
Create the component. The classid is used as a specification of the classname, which we try to load.- Overrides:
createComponent
in classComponentView
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