org.xhtmlrenderer.swing

Class ScalableXHTMLPanel

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

org.xhtmlrenderer.swing.RootPanel

org.xhtmlrenderer.swing.BasicPanel

org.xhtmlrenderer.simple.XHTMLPanel

org.xhtmlrenderer.swing.ScalableXHTMLPanel

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Accessible, Scrollable, FSCanvas, UserInterface, FormSubmissionListener, RepaintListener

public class ScalableXHTMLPanel
extends XHTMLPanel

ScalableXHTMLPanel extends XHTMLPanel to allow zoom on output.

Author:

chm

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static int	SCALE_POLICY_FIT_HEIGHT
static int	SCALE_POLICY_FIT_WHOLE
static int	SCALE_POLICY_FIT_WIDTH
static int	SCALE_POLICY_NONE

Fields inherited from class org.xhtmlrenderer.swing.BasicPanel

formSubmissionListener

Fields inherited from class org.xhtmlrenderer.swing.RootPanel

active_element, doc, focus_element, hovered_element, sharedContext

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
ScalableXHTMLPanel() Instantiates an XHTMLPanel with no Document loaded by default.
ScalableXHTMLPanel(UserAgentCallback uac) Instantiates a panel with a custom UserAgentCallback implementation.

Method Summary

Modifier and Type	Method and Description
void	addScaleChangeListener(ScaleChangeListener scl)
protected void	calculateScaleAccordingToPolicy(Dimension layoutSize)
protected Point	convertFromScaled(int x, int y)
protected Point	convertFromScaled(Point origin)
protected Point	convertToScaled(int x, int y)
protected Point	convertToScaled(Point origin)
protected void	doRender(RenderingContext c, Layer root) Renders according to scale factor
Box	find(int x, int y) Search Box according to scale factor
double	getScale()
int	getScalePolicy()
void	removeScaleChangeListener(ScaleChangeListener scl)
void	setDocument(Document doc, String url) Renders a Document using a URL as a base URL for relative paths.
void	setDocument(InputStream stream, String url) Renders a Document read from an InputStream using a URL as a base URL for relative paths.
void	setScale(double newScale) Force scale to use
void	setScalePolicy(int scalePolicy)

Methods inherited from class org.xhtmlrenderer.simple.XHTMLPanel

decrementFontSize, getMaxFontScale, getMinFontScale, incrementFontSize, relayout, resetFontSize, setDocument, setDocument, setDocument, setFontScalingFactor, setMaxFontScale, setMinFontScale, setSharedContext

Methods inherited from class org.xhtmlrenderer.swing.BasicPanel

addMouseTrackingListener, assignPagePrintPositions, getDocument, getDocumentTitle, getMouseTrackingListeners, getSharedContext, getURL, isCenteredPagedView, isInteractive, isOpaque, loadDocument, paintComponent, paintPage, printTree, reloadDocument, reloadDocument, removeMouseTrackingListener, resetMouseTracker, scrollTo, setCenteredPagedView, setDocument, setDocument, setDocumentFromString, setDocumentRelative, setFormSubmissionListener, setInteractive, setLayout, setOpaque, setSize, submit

Methods inherited from class org.xhtmlrenderer.swing.RootPanel

addDocumentListener, addNotify, doDocumentLayout, doLayout, find, fireDocumentLoaded, fireDocumentStarted, fireOnLayoutException, fireOnRenderException, getCellRendererPane, getEnclosingScrollPane, getFixedRectangle, getLayoutContext, getLayoutWidth, getPreferredScrollableViewportSize, getRootBox, getRootLayer, getScreenExtents, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, hasDocumentListeners, init, isActive, isDefaultFontFromComponent, isExtentsHaveChanged, isFocus, isHover, isNeedRelayout, isPrintView, newLayoutContext, newRenderingContext, removeDocumentListener, removeNotify, repaintRequested, resetScrollPosition, setDefaultFontFromComponent, setDocument, setEnclosingScrollPane, setNeedRelayout, setRootBox, validate

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, transferFocusDownCycle, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xhtmlrenderer.extend.FSCanvas

getX, getY

Field Detail

SCALE_POLICY_NONE

public static final int SCALE_POLICY_NONE

See Also:

Constant Field Values

SCALE_POLICY_FIT_WIDTH

public static final int SCALE_POLICY_FIT_WIDTH

See Also:

Constant Field Values

SCALE_POLICY_FIT_HEIGHT

public static final int SCALE_POLICY_FIT_HEIGHT

See Also:

Constant Field Values

SCALE_POLICY_FIT_WHOLE

public static final int SCALE_POLICY_FIT_WHOLE

See Also:

Constant Field Values

Constructor Detail

ScalableXHTMLPanel

public ScalableXHTMLPanel()

Instantiates an XHTMLPanel with no Document loaded by default.

ScalableXHTMLPanel

public ScalableXHTMLPanel(UserAgentCallback uac)

Instantiates a panel with a custom UserAgentCallback implementation.

Parameters:

uac - The custom UserAgentCallback implementation.

Method Detail

setDocument

public void setDocument(Document doc,
                        String url)

Renders a Document using a URL as a base URL for relative paths.

Overrides:

setDocument in class XHTMLPanel

Parameters:

doc - The new document value

url - The new document value

setDocument

public void setDocument(InputStream stream,
                        String url)
                 throws Exception

Renders a Document read from an InputStream using a URL as a base URL for relative paths.

Overrides:

setDocument in class XHTMLPanel

Parameters:

stream - The stream to read the Document from.

url - The URL used to resolve relative path references.

Throws:

Exception

find

public Box find(int x,
                int y)

Search Box according to scale factor

Overrides:

find in class RootPanel

Parameters:

x - The displayed x position

y - the displayed y position

setScale

public void setScale(double newScale)
              throws IllegalArgumentException

Force scale to use

Parameters:

newScale - The scale to use

Throws:

IllegalArgumentException - If newScale <= 0.0d.

getScale

public double getScale()

addScaleChangeListener

public void addScaleChangeListener(ScaleChangeListener scl)

removeScaleChangeListener

public void removeScaleChangeListener(ScaleChangeListener scl)

doRender

protected void doRender(RenderingContext c,
                        Layer root)

Renders according to scale factor

Overrides:

doRender in class BasicPanel

Parameters:

c - the RenderingContext to use

root - The Layer to render

calculateScaleAccordingToPolicy

protected void calculateScaleAccordingToPolicy(Dimension layoutSize)

convertToScaled

protected Point convertToScaled(Point origin)

convertFromScaled

protected Point convertFromScaled(Point origin)

convertToScaled

protected Point convertToScaled(int x,
                                int y)

convertFromScaled

protected Point convertFromScaled(int x,
                                  int y)

getScalePolicy

public int getScalePolicy()

setScalePolicy

public void setScalePolicy(int scalePolicy)